Exemple #1
0
class ExecutionEngineTests(unittest.TestCase):
    def setUp(self):
        # Fixture Setup
        self.clock = TestClock()
        self.uuid_factory = UUIDFactory()
        self.logger = TestLogger(self.clock)

        self.trader_id = TraderId("TESTER", "000")
        self.account_id = TestStubs.account_id()

        self.order_factory = OrderFactory(
            trader_id=self.trader_id,
            strategy_id=StrategyId("S", "001"),
            clock=TestClock(),
        )

        self.portfolio = Portfolio(
            clock=self.clock,
            logger=self.logger,
        )
        self.portfolio.register_cache(DataCache(self.logger))

        self.analyzer = PerformanceAnalyzer()

        database = BypassExecutionDatabase(trader_id=self.trader_id,
                                           logger=self.logger)
        self.exec_engine = ExecutionEngine(
            database=database,
            portfolio=self.portfolio,
            clock=self.clock,
            logger=self.logger,
        )

        self.cache = self.exec_engine.cache
        self.exec_engine.process(TestStubs.event_account_state())

        self.venue = Venue("SIM")
        self.exec_client = MockExecutionClient(
            self.venue,
            self.account_id,
            self.exec_engine,
            self.clock,
            self.logger,
        )

        self.exec_engine.register_client(self.exec_client)

    def test_registered_venues_returns_expected(self):
        # Arrange
        # Act
        result = self.exec_engine.registered_venues

        # Assert
        self.assertEqual([Venue("SIM")], result)

    def test_deregister_client_removes_client(self):
        # Arrange
        # Act
        self.exec_engine.deregister_client(self.exec_client)

        # Assert
        self.assertEqual([], self.exec_engine.registered_venues)

    def test_register_strategy(self):
        # Arrange
        strategy = TradingStrategy(order_id_tag="001")
        strategy.register_trader(
            self.trader_id,
            self.clock,
            self.logger,
        )

        # Act
        self.exec_engine.register_strategy(strategy)

        # Assert
        self.assertIn(strategy.id, self.exec_engine.registered_strategies)

    def test_deregister_strategy(self):
        # Arrange
        strategy = TradingStrategy(order_id_tag="001")
        strategy.register_trader(
            TraderId("TESTER", "000"),
            self.clock,
            self.logger,
        )

        self.exec_engine.register_strategy(strategy)

        # Act
        self.exec_engine.deregister_strategy(strategy)

        # Assert
        self.assertNotIn(strategy.id, self.exec_engine.registered_strategies)

    def test_reset_retains_registered_strategies(self):
        # Arrange
        strategy = TradingStrategy(order_id_tag="001")
        strategy.register_trader(
            TraderId("TESTER", "000"),
            self.clock,
            self.logger,
        )

        self.exec_engine.register_strategy(
            strategy)  # Also registers with portfolio

        # Act
        self.exec_engine.reset()

        # Assert
        self.assertIn(strategy.id, self.exec_engine.registered_strategies)

    def test_integrity_check_calls_check_on_cache(self):
        # Arrange
        # Act
        self.exec_engine.integrity_check()

        # Assert
        self.assertTrue(True)  # No exceptions raised

    def test_submit_order(self):
        # Arrange
        self.exec_engine.start()

        strategy = TradingStrategy(order_id_tag="001")
        strategy.register_trader(
            TraderId("TESTER", "000"),
            self.clock,
            self.logger,
        )

        self.exec_engine.register_strategy(strategy)

        order = strategy.order_factory.market(
            AUDUSD_SIM.symbol,
            OrderSide.BUY,
            Quantity(100000),
        )

        submit_order = SubmitOrder(
            self.venue,
            self.trader_id,
            self.account_id,
            strategy.id,
            PositionId.null(),
            order,
            self.uuid_factory.generate(),
            self.clock.utc_now(),
        )

        # Act
        self.exec_engine.execute(submit_order)

        # Assert
        self.assertIn(submit_order, self.exec_client.commands)
        self.assertTrue(self.cache.order_exists(order.cl_ord_id))

    def test_handle_order_fill_event(self):
        # Arrange
        self.exec_engine.start()

        strategy = TradingStrategy(order_id_tag="001")
        strategy.register_trader(
            TraderId("TESTER", "000"),
            self.clock,
            self.logger,
        )

        self.exec_engine.register_strategy(strategy)

        order = strategy.order_factory.market(
            AUDUSD_SIM.symbol,
            OrderSide.BUY,
            Quantity(100000),
        )

        submit_order = SubmitOrder(
            self.venue,
            self.trader_id,
            self.account_id,
            strategy.id,
            PositionId.null(),
            order,
            self.uuid_factory.generate(),
            self.clock.utc_now(),
        )

        self.exec_engine.execute(submit_order)

        # Act
        self.exec_engine.process(TestStubs.event_order_submitted(order))
        self.exec_engine.process(TestStubs.event_order_accepted(order))
        self.exec_engine.process(
            TestStubs.event_order_filled(order, AUDUSD_SIM))

        expected_position_id = PositionId(
            "O-19700101-000000-000-001-1")  # Stubbed from order id?

        # Assert
        self.assertTrue(self.cache.position_exists(expected_position_id))
        self.assertTrue(self.cache.is_position_open(expected_position_id))
        self.assertFalse(self.cache.is_position_closed(expected_position_id))
        self.assertEqual(Position,
                         type(self.cache.position(expected_position_id)))
        self.assertIn(expected_position_id, self.cache.position_ids())
        self.assertNotIn(
            expected_position_id,
            self.cache.position_closed_ids(strategy_id=strategy.id))
        self.assertNotIn(expected_position_id,
                         self.cache.position_closed_ids())
        self.assertIn(expected_position_id,
                      self.cache.position_open_ids(strategy_id=strategy.id))
        self.assertIn(expected_position_id, self.cache.position_open_ids())
        self.assertEqual(1, self.cache.positions_total_count())
        self.assertEqual(1, self.cache.positions_open_count())
        self.assertEqual(0, self.cache.positions_closed_count())

    def test_handle_position_opening_with_position_id_none(self):
        # Arrange
        self.exec_engine.start()

        strategy = TradingStrategy(order_id_tag="001")
        strategy.register_trader(
            TraderId("TESTER", "000"),
            self.clock,
            self.logger,
        )

        self.exec_engine.register_strategy(strategy)

        order = strategy.order_factory.market(
            AUDUSD_SIM.symbol,
            OrderSide.BUY,
            Quantity(100000),
        )

        submit_order = SubmitOrder(
            self.venue,
            self.trader_id,
            self.account_id,
            strategy.id,
            PositionId.null(),
            order,
            self.uuid_factory.generate(),
            self.clock.utc_now(),
        )

        self.exec_engine.execute(submit_order)

        # Act
        self.exec_engine.process(TestStubs.event_order_submitted(order))
        self.exec_engine.process(TestStubs.event_order_accepted(order))
        self.exec_engine.process(
            TestStubs.event_order_filled(order, AUDUSD_SIM))

        expected_id = PositionId(
            "O-19700101-000000-000-001-1")  # Stubbed from order id

        # Assert
        self.assertTrue(self.cache.position_exists(expected_id))
        self.assertTrue(self.cache.is_position_open(expected_id))
        self.assertFalse(self.cache.is_position_closed(expected_id))
        self.assertEqual(Position, type(self.cache.position(expected_id)))
        self.assertIn(expected_id, self.cache.position_ids())
        self.assertNotIn(
            expected_id,
            self.cache.position_closed_ids(strategy_id=strategy.id))
        self.assertNotIn(expected_id, self.cache.position_closed_ids())
        self.assertIn(expected_id,
                      self.cache.position_open_ids(strategy_id=strategy.id))
        self.assertIn(expected_id, self.cache.position_open_ids())
        self.assertEqual(1, self.cache.positions_total_count())
        self.assertEqual(1, self.cache.positions_open_count())
        self.assertEqual(0, self.cache.positions_closed_count())

    def test_add_to_existing_position_on_order_fill(self):
        # Arrange
        self.exec_engine.start()

        strategy = TradingStrategy(order_id_tag="001")
        strategy.register_trader(
            TraderId("TESTER", "000"),
            self.clock,
            self.logger,
        )

        self.exec_engine.register_strategy(strategy)

        order1 = strategy.order_factory.market(
            AUDUSD_SIM.symbol,
            OrderSide.BUY,
            Quantity(100000),
        )

        order2 = strategy.order_factory.market(
            AUDUSD_SIM.symbol,
            OrderSide.BUY,
            Quantity(100000),
        )

        submit_order1 = SubmitOrder(
            self.venue,
            self.trader_id,
            self.account_id,
            strategy.id,
            PositionId.null(),
            order1,
            self.uuid_factory.generate(),
            self.clock.utc_now(),
        )

        self.exec_engine.execute(submit_order1)
        self.exec_engine.process(TestStubs.event_order_submitted(order1))
        self.exec_engine.process(TestStubs.event_order_accepted(order1))
        self.exec_engine.process(
            TestStubs.event_order_filled(order1, AUDUSD_SIM))

        expected_position_id = PositionId(
            "O-19700101-000000-000-001-1")  # Stubbed from order id?

        submit_order2 = SubmitOrder(
            self.venue,
            self.trader_id,
            self.account_id,
            strategy.id,
            expected_position_id,
            order2,
            self.uuid_factory.generate(),
            self.clock.utc_now(),
        )

        # Act
        self.exec_engine.execute(submit_order2)
        self.exec_engine.process(TestStubs.event_order_submitted(order2))
        self.exec_engine.process(TestStubs.event_order_accepted(order2))
        self.exec_engine.process(
            TestStubs.event_order_filled(order2, AUDUSD_SIM,
                                         expected_position_id))

        # Assert
        self.assertTrue(
            self.cache.position_exists(
                TestStubs.event_order_filled(
                    order1,
                    AUDUSD_SIM,
                ).position_id))
        self.assertTrue(self.cache.is_position_open(expected_position_id))
        self.assertFalse(self.cache.is_position_closed(expected_position_id))
        self.assertEqual(Position,
                         type(self.cache.position(expected_position_id)))
        self.assertEqual(
            0, len(self.cache.positions_closed(strategy_id=strategy.id)))
        self.assertEqual(0, len(self.cache.positions_closed()))
        self.assertEqual(
            1, len(self.cache.positions_open(strategy_id=strategy.id)))
        self.assertEqual(1, len(self.cache.positions_open()))
        self.assertEqual(1, self.cache.positions_total_count())
        self.assertEqual(1, self.cache.positions_open_count())
        self.assertEqual(0, self.cache.positions_closed_count())

    def test_close_position_on_order_fill(self):
        # Arrange
        self.exec_engine.start()

        strategy = TradingStrategy(order_id_tag="001")
        strategy.register_trader(
            TraderId("TESTER", "000"),
            self.clock,
            self.logger,
        )

        self.exec_engine.register_strategy(strategy)

        order1 = strategy.order_factory.stop_market(
            AUDUSD_SIM.symbol,
            OrderSide.BUY,
            Quantity(100000),
            Price("1.00000"),
        )

        order2 = strategy.order_factory.stop_market(
            AUDUSD_SIM.symbol,
            OrderSide.SELL,
            Quantity(100000),
            Price("1.00000"),
        )

        submit_order1 = SubmitOrder(
            self.venue,
            self.trader_id,
            self.account_id,
            strategy.id,
            PositionId.null(),
            order1,
            self.uuid_factory.generate(),
            self.clock.utc_now(),
        )

        position_id = PositionId("P-1")

        self.exec_engine.execute(submit_order1)
        self.exec_engine.process(TestStubs.event_order_submitted(order1))
        self.exec_engine.process(TestStubs.event_order_accepted(order1))
        self.exec_engine.process(
            TestStubs.event_order_filled(order1, AUDUSD_SIM, position_id))

        submit_order2 = SubmitOrder(
            self.venue,
            self.trader_id,
            self.account_id,
            strategy.id,
            position_id,
            order2,
            self.uuid_factory.generate(),
            self.clock.utc_now(),
        )

        # Act
        self.exec_engine.execute(submit_order2)
        self.exec_engine.process(TestStubs.event_order_submitted(order2))
        self.exec_engine.process(TestStubs.event_order_accepted(order2))
        self.exec_engine.process(
            TestStubs.event_order_filled(order2, AUDUSD_SIM, position_id))

        # # Assert
        self.assertTrue(self.cache.position_exists(position_id))
        self.assertFalse(self.cache.is_position_open(position_id))
        self.assertTrue(self.cache.is_position_closed(position_id))
        self.assertEqual(position_id, self.cache.position(position_id).id)
        self.assertEqual(position_id,
                         self.cache.positions(strategy_id=strategy.id)[0].id)
        self.assertEqual(position_id, self.cache.positions()[0].id)
        self.assertEqual(
            0, len(self.cache.positions_open(strategy_id=strategy.id)))
        self.assertEqual(0, len(self.cache.positions_open()))
        self.assertEqual(
            position_id,
            self.cache.positions_closed(strategy_id=strategy.id)[0].id)
        self.assertEqual(position_id, self.cache.positions_closed()[0].id)
        self.assertNotIn(position_id,
                         self.cache.position_open_ids(strategy_id=strategy.id))
        self.assertNotIn(position_id, self.cache.position_open_ids())
        self.assertEqual(1, self.cache.positions_total_count())
        self.assertEqual(0, self.cache.positions_open_count())
        self.assertEqual(1, self.cache.positions_closed_count())

    def test_multiple_strategy_positions_opened(self):
        # Arrange
        self.exec_engine.start()

        strategy1 = TradingStrategy(order_id_tag="001")
        strategy1.register_trader(
            TraderId("TESTER", "000"),
            self.clock,
            self.logger,
        )

        strategy2 = TradingStrategy(order_id_tag="002")
        strategy2.register_trader(
            TraderId("TESTER", "000"),
            self.clock,
            self.logger,
        )

        self.exec_engine.register_strategy(strategy1)
        self.exec_engine.register_strategy(strategy2)

        order1 = strategy1.order_factory.stop_market(
            AUDUSD_SIM.symbol,
            OrderSide.BUY,
            Quantity(100000),
            Price("1.00000"),
        )

        order2 = strategy2.order_factory.stop_market(
            AUDUSD_SIM.symbol,
            OrderSide.BUY,
            Quantity(100000),
            Price("1.00000"),
        )

        submit_order1 = SubmitOrder(
            self.venue,
            self.trader_id,
            self.account_id,
            strategy1.id,
            PositionId.null(),
            order1,
            self.uuid_factory.generate(),
            self.clock.utc_now(),
        )

        submit_order2 = SubmitOrder(
            self.venue,
            self.trader_id,
            self.account_id,
            strategy2.id,
            PositionId.null(),
            order2,
            self.uuid_factory.generate(),
            self.clock.utc_now(),
        )

        position1_id = PositionId('P-1')
        position2_id = PositionId('P-2')

        # Act
        self.exec_engine.execute(submit_order1)
        self.exec_engine.execute(submit_order2)
        self.exec_engine.process(TestStubs.event_order_submitted(order1))
        self.exec_engine.process(TestStubs.event_order_accepted(order1))
        self.exec_engine.process(
            TestStubs.event_order_filled(order1, AUDUSD_SIM, position1_id))
        self.exec_engine.process(TestStubs.event_order_submitted(order2))
        self.exec_engine.process(TestStubs.event_order_accepted(order2))
        self.exec_engine.process(
            TestStubs.event_order_filled(order2, AUDUSD_SIM, position2_id))

        # Assert
        self.assertTrue(self.cache.position_exists(position1_id))
        self.assertTrue(self.cache.position_exists(position2_id))
        self.assertTrue(self.cache.is_position_open(position1_id))
        self.assertTrue(self.cache.is_position_open(position2_id))
        self.assertFalse(self.cache.is_position_closed(position1_id))
        self.assertFalse(self.cache.is_position_closed(position2_id))
        self.assertEqual(Position, type(self.cache.position(position1_id)))
        self.assertEqual(Position, type(self.cache.position(position2_id)))
        self.assertIn(position1_id,
                      self.cache.position_ids(strategy_id=strategy1.id))
        self.assertIn(position2_id,
                      self.cache.position_ids(strategy_id=strategy2.id))
        self.assertIn(position1_id, self.cache.position_ids())
        self.assertIn(position2_id, self.cache.position_ids())
        self.assertEqual(2, len(self.cache.position_open_ids()))
        self.assertEqual(
            1, len(self.cache.positions_open(strategy_id=strategy1.id)))
        self.assertEqual(
            1, len(self.cache.positions_open(strategy_id=strategy2.id)))
        self.assertEqual(
            1, len(self.cache.positions_open(strategy_id=strategy2.id)))
        self.assertEqual(2, len(self.cache.positions_open()))
        self.assertEqual(
            1, len(self.cache.positions_open(strategy_id=strategy1.id)))
        self.assertEqual(
            1, len(self.cache.positions_open(strategy_id=strategy2.id)))
        self.assertIn(position1_id,
                      self.cache.position_open_ids(strategy_id=strategy1.id))
        self.assertIn(position2_id,
                      self.cache.position_open_ids(strategy_id=strategy2.id))
        self.assertIn(position1_id, self.cache.position_open_ids())
        self.assertIn(position2_id, self.cache.position_open_ids())
        self.assertNotIn(
            position1_id,
            self.cache.position_closed_ids(strategy_id=strategy1.id))
        self.assertNotIn(
            position2_id,
            self.cache.position_closed_ids(strategy_id=strategy2.id))
        self.assertNotIn(position1_id, self.cache.position_closed_ids())
        self.assertNotIn(position2_id, self.cache.position_closed_ids())
        self.assertEqual(2, self.cache.positions_total_count())
        self.assertEqual(2, self.cache.positions_open_count())
        self.assertEqual(0, self.cache.positions_closed_count())

    def test_multiple_strategy_positions_one_active_one_closed(self):
        # Arrange
        self.exec_engine.start()

        strategy1 = TradingStrategy(order_id_tag="001")
        strategy1.register_trader(
            TraderId("TESTER", "000"),
            self.clock,
            self.logger,
        )

        strategy2 = TradingStrategy(order_id_tag="002")
        strategy2.register_trader(
            TraderId("TESTER", "000"),
            self.clock,
            self.logger,
        )

        self.exec_engine.register_strategy(strategy1)
        self.exec_engine.register_strategy(strategy2)

        order1 = strategy1.order_factory.stop_market(
            AUDUSD_SIM.symbol,
            OrderSide.BUY,
            Quantity(100000),
            Price("1.00000"),
        )

        order2 = strategy1.order_factory.stop_market(
            AUDUSD_SIM.symbol,
            OrderSide.SELL,
            Quantity(100000),
            Price("1.00000"),
        )

        order3 = strategy2.order_factory.stop_market(
            AUDUSD_SIM.symbol,
            OrderSide.BUY,
            Quantity(100000),
            Price("1.00000"),
        )

        submit_order1 = SubmitOrder(
            self.venue,
            self.trader_id,
            self.account_id,
            strategy1.id,
            PositionId.null(),
            order1,
            self.uuid_factory.generate(),
            self.clock.utc_now(),
        )

        position_id1 = PositionId('P-1')

        submit_order2 = SubmitOrder(
            self.venue,
            self.trader_id,
            self.account_id,
            strategy1.id,
            position_id1,
            order2,
            self.uuid_factory.generate(),
            self.clock.utc_now(),
        )

        submit_order3 = SubmitOrder(
            self.venue,
            self.trader_id,
            self.account_id,
            strategy2.id,
            PositionId.null(),
            order3,
            self.uuid_factory.generate(),
            self.clock.utc_now(),
        )

        position_id2 = PositionId('P-2')

        # Act
        self.exec_engine.execute(submit_order1)
        self.exec_engine.process(TestStubs.event_order_submitted(order1))
        self.exec_engine.process(TestStubs.event_order_accepted(order1))
        self.exec_engine.process(
            TestStubs.event_order_filled(order1, AUDUSD_SIM, position_id1))

        self.exec_engine.execute(submit_order2)
        self.exec_engine.process(TestStubs.event_order_submitted(order2))
        self.exec_engine.process(TestStubs.event_order_accepted(order2))
        self.exec_engine.process(
            TestStubs.event_order_filled(order2, AUDUSD_SIM, position_id1))

        self.exec_engine.execute(submit_order3)
        self.exec_engine.process(TestStubs.event_order_submitted(order3))
        self.exec_engine.process(TestStubs.event_order_accepted(order3))
        self.exec_engine.process(
            TestStubs.event_order_filled(order3, AUDUSD_SIM, position_id2))

        # Assert
        # Already tested .is_position_active and .is_position_closed above
        self.assertTrue(self.cache.position_exists(position_id1))
        self.assertTrue(self.cache.position_exists(position_id2))
        self.assertIn(position_id1,
                      self.cache.position_ids(strategy_id=strategy1.id))
        self.assertIn(position_id2,
                      self.cache.position_ids(strategy_id=strategy2.id))
        self.assertIn(position_id1, self.cache.position_ids())
        self.assertIn(position_id2, self.cache.position_ids())
        self.assertEqual(
            0, len(self.cache.positions_open(strategy_id=strategy1.id)))
        self.assertEqual(
            1, len(self.cache.positions_open(strategy_id=strategy2.id)))
        self.assertEqual(1, len(self.cache.positions_open()))
        self.assertEqual(1, len(self.cache.positions_closed()))
        self.assertEqual(2, len(self.cache.positions()))
        self.assertNotIn(
            position_id1,
            self.cache.position_open_ids(strategy_id=strategy1.id))
        self.assertIn(position_id2,
                      self.cache.position_open_ids(strategy_id=strategy2.id))
        self.assertNotIn(position_id1, self.cache.position_open_ids())
        self.assertIn(position_id2, self.cache.position_open_ids())
        self.assertIn(position_id1,
                      self.cache.position_closed_ids(strategy_id=strategy1.id))
        self.assertNotIn(
            position_id2,
            self.cache.position_closed_ids(strategy_id=strategy2.id))
        self.assertIn(position_id1, self.cache.position_closed_ids())
        self.assertNotIn(position_id2, self.cache.position_closed_ids())
        self.assertEqual(2, self.cache.positions_total_count())
        self.assertEqual(1, self.cache.positions_open_count())
        self.assertEqual(1, self.cache.positions_closed_count())

    def test_flip_position_on_opposite_filled_same_position_sell(self):
        # Arrange
        self.exec_engine.start()

        strategy = TradingStrategy(order_id_tag="001")
        strategy.register_trader(
            TraderId("TESTER", "000"),
            self.clock,
            self.logger,
        )

        self.exec_engine.register_strategy(strategy)

        order1 = strategy.order_factory.market(
            AUDUSD_SIM.symbol,
            OrderSide.BUY,
            Quantity(100000),
        )

        order2 = strategy.order_factory.market(
            AUDUSD_SIM.symbol,
            OrderSide.SELL,
            Quantity(150000),
        )

        submit_order1 = SubmitOrder(
            self.venue,
            self.trader_id,
            self.account_id,
            strategy.id,
            PositionId.null(),
            order1,
            self.uuid_factory.generate(),
            self.clock.utc_now(),
        )

        position_id = PositionId("P-000-AUD/USD.SIM-1")

        self.exec_engine.execute(submit_order1)
        self.exec_engine.process(TestStubs.event_order_submitted(order1))
        self.exec_engine.process(TestStubs.event_order_accepted(order1))
        self.exec_engine.process(
            TestStubs.event_order_filled(order1, AUDUSD_SIM, position_id))

        submit_order2 = SubmitOrder(
            self.venue,
            self.trader_id,
            self.account_id,
            strategy.id,
            position_id,
            order2,
            self.uuid_factory.generate(),
            self.clock.utc_now(),
        )

        # Act
        self.exec_engine.execute(submit_order2)
        self.exec_engine.process(TestStubs.event_order_submitted(order2))
        self.exec_engine.process(TestStubs.event_order_accepted(order2))
        self.exec_engine.process(
            TestStubs.event_order_filled(order2, AUDUSD_SIM, position_id))

        position_id_flipped = PositionId("P-000-AUD/USD.SIM-1F")

        # Assert
        position_flipped = self.cache.position(position_id_flipped)
        self.assertEqual(-50000, position_flipped.relative_quantity)
        self.assertTrue(self.cache.position_exists(position_id))
        self.assertTrue(self.cache.position_exists(position_id_flipped))
        self.assertTrue(self.cache.is_position_closed(position_id))
        self.assertTrue(self.cache.is_position_open(position_id_flipped))
        self.assertIn(position_id, self.cache.position_ids())
        self.assertIn(position_id,
                      self.cache.position_ids(strategy_id=strategy.id))
        self.assertIn(position_id_flipped, self.cache.position_ids())
        self.assertIn(position_id_flipped,
                      self.cache.position_ids(strategy_id=strategy.id))
        self.assertEqual(2, self.cache.positions_total_count())
        self.assertEqual(1, self.cache.positions_open_count())
        self.assertEqual(1, self.cache.positions_closed_count())

    def test_flip_position_on_opposite_filled_same_position_buy(self):
        # Arrange
        self.exec_engine.start()

        strategy = TradingStrategy(order_id_tag="001")
        strategy.register_trader(
            TraderId("TESTER", "000"),
            self.clock,
            self.logger,
        )

        self.exec_engine.register_strategy(strategy)

        order1 = strategy.order_factory.market(
            AUDUSD_SIM.symbol,
            OrderSide.SELL,
            Quantity(100000),
        )

        order2 = strategy.order_factory.market(
            AUDUSD_SIM.symbol,
            OrderSide.BUY,
            Quantity(150000),
        )

        submit_order1 = SubmitOrder(
            self.venue,
            self.trader_id,
            self.account_id,
            strategy.id,
            PositionId.null(),
            order1,
            self.uuid_factory.generate(),
            self.clock.utc_now(),
        )

        position_id = PositionId("P-000-AUD/USD.SIM-1")

        self.exec_engine.execute(submit_order1)
        self.exec_engine.process(TestStubs.event_order_submitted(order1))
        self.exec_engine.process(TestStubs.event_order_accepted(order1))
        self.exec_engine.process(
            TestStubs.event_order_filled(order1, AUDUSD_SIM, position_id))

        submit_order2 = SubmitOrder(
            self.venue,
            self.trader_id,
            self.account_id,
            strategy.id,
            position_id,
            order2,
            self.uuid_factory.generate(),
            self.clock.utc_now(),
        )

        # Act
        self.exec_engine.execute(submit_order2)
        self.exec_engine.process(TestStubs.event_order_submitted(order2))
        self.exec_engine.process(TestStubs.event_order_accepted(order2))
        self.exec_engine.process(
            TestStubs.event_order_filled(order2, AUDUSD_SIM, position_id))

        position_id_flipped = PositionId("P-000-AUD/USD.SIM-1F")

        # Assert
        position_flipped = self.cache.position(position_id_flipped)
        self.assertEqual(50000, position_flipped.relative_quantity)
        self.assertTrue(self.cache.position_exists(position_id))
        self.assertTrue(self.cache.position_exists(position_id_flipped))
        self.assertTrue(self.cache.is_position_closed(position_id))
        self.assertTrue(self.cache.is_position_open(position_id_flipped))
        self.assertIn(position_id, self.cache.position_ids())
        self.assertIn(position_id,
                      self.cache.position_ids(strategy_id=strategy.id))
        self.assertIn(position_id_flipped, self.cache.position_ids())
        self.assertIn(position_id_flipped,
                      self.cache.position_ids(strategy_id=strategy.id))
        self.assertEqual(2, self.cache.positions_total_count())
        self.assertEqual(1, self.cache.positions_open_count())
        self.assertEqual(1, self.cache.positions_closed_count())
class TestRiskEngine:

    def setup(self):
        # Fixture Setup
        self.clock = TestClock()
        self.uuid_factory = UUIDFactory()
        self.logger = TestLogger(self.clock)

        self.trader_id = TraderId("TESTER", "000")
        self.account_id = TestStubs.account_id()
        self.venue = Venue("SIM")

        self.portfolio = Portfolio(
            clock=self.clock,
            logger=self.logger,
        )
        self.portfolio.register_cache(DataCache(self.logger))

        self.database = MockExecutionDatabase(trader_id=self.trader_id, logger=self.logger)
        self.exec_engine = ExecutionEngine(
            database=self.database,
            portfolio=self.portfolio,
            clock=self.clock,
            logger=self.logger,
        )

        self.exec_client = MockExecutionClient(
            self.venue,
            self.account_id,
            self.exec_engine,
            self.clock,
            self.logger,
        )

        self.risk_engine = RiskEngine(
            exec_engine=self.exec_engine,
            portfolio=self.portfolio,
            clock=self.clock,
            logger=self.logger,
            config={},
        )

        self.exec_engine.register_client(self.exec_client)
        self.exec_engine.register_risk_engine(self.risk_engine)

    def test_registered_clients_returns_expected_list(self):
        # Arrange
        # Act
        result = self.risk_engine.registered_clients

        # Assert
        assert result == [Venue('SIM')]

    def test_set_block_all_orders_changes_flag_value(self):
        # Arrange
        # Act
        self.risk_engine.set_block_all_orders()

        # Assert
        assert self.risk_engine.block_all_orders

    def test_given_random_command_logs_and_continues(self):
        # Arrange
        random = TradingCommand(
            self.venue,
            self.uuid_factory.generate(),
            self.clock.utc_now(),
        )

        self.risk_engine.execute(random)

    def test_given_random_event_logs_and_continues(self):
        # Arrange
        random = Event(
            self.uuid_factory.generate(),
            self.clock.utc_now(),
        )

        self.exec_engine.process(random)

    def test_submit_order_with_default_settings_sends_to_client(self):
        # Arrange
        self.exec_engine.start()

        strategy = TradingStrategy(order_id_tag="001")
        strategy.register_trader(
            TraderId("TESTER", "000"),
            self.clock,
            self.logger,
        )

        self.exec_engine.register_strategy(strategy)

        order = strategy.order_factory.market(
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity(100000),
        )

        submit_order = SubmitOrder(
            self.venue,
            self.trader_id,
            self.account_id,
            strategy.id,
            PositionId.null(),
            order,
            self.uuid_factory.generate(),
            self.clock.utc_now(),
        )

        # Act
        self.risk_engine.execute(submit_order)

        # Assert
        assert self.exec_client.calls == ['connect', 'submit_order']

    def test_submit_bracket_with_default_settings_sends_to_client(self):
        # Arrange
        self.exec_engine.start()

        strategy = TradingStrategy(order_id_tag="001")
        strategy.register_trader(
            TraderId("TESTER", "000"),
            self.clock,
            self.logger,
        )

        self.exec_engine.register_strategy(strategy)

        entry = strategy.order_factory.market(
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity(100000),
        )

        bracket = strategy.order_factory.bracket(
            entry_order=entry,
            stop_loss=Price("1.00000"),
            take_profit=Price("1.00010"),
        )

        submit_bracket = SubmitBracketOrder(
            self.venue,
            self.trader_id,
            self.account_id,
            strategy.id,
            bracket,
            self.uuid_factory.generate(),
            self.clock.utc_now(),
        )

        # Act
        self.risk_engine.execute(submit_bracket)

        # Assert
        assert self.exec_client.calls == ['connect', 'submit_bracket_order']

    def test_submit_order_when_block_all_orders_true_then_denies_order(self):
        # Arrange
        self.exec_engine.start()

        strategy = TradingStrategy(order_id_tag="001")
        strategy.register_trader(
            TraderId("TESTER", "000"),
            self.clock,
            self.logger,
        )

        self.exec_engine.register_strategy(strategy)

        order = strategy.order_factory.market(
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity(100000),
        )

        submit_order = SubmitOrder(
            self.venue,
            self.trader_id,
            self.account_id,
            strategy.id,
            PositionId.null(),
            order,
            self.uuid_factory.generate(),
            self.clock.utc_now(),
        )

        self.risk_engine.set_block_all_orders()

        # Act
        self.exec_engine.execute(submit_order)

        # Assert
        assert self.exec_client.calls == ['connect']
        assert self.exec_engine.event_count == 1

    def test_amend_order_with_default_settings_sends_to_client(self):
        # Arrange
        self.exec_engine.start()

        strategy = TradingStrategy(order_id_tag="001")
        strategy.register_trader(
            TraderId("TESTER", "000"),
            self.clock,
            self.logger,
        )

        self.exec_engine.register_strategy(strategy)

        order = strategy.order_factory.market(
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity(100000),
        )

        submit = SubmitOrder(
            self.venue,
            self.trader_id,
            self.account_id,
            strategy.id,
            PositionId.null(),
            order,
            self.uuid_factory.generate(),
            self.clock.utc_now(),
        )

        amend = AmendOrder(
            self.venue,
            self.trader_id,
            self.account_id,
            order.cl_ord_id,
            order.quantity,
            Price("1.00010"),
            self.uuid_factory.generate(),
            self.clock.utc_now(),
        )

        self.risk_engine.execute(submit)

        # Act
        self.risk_engine.execute(amend)

        # Assert
        assert self.exec_client.calls == ['connect', 'submit_order', 'amend_order']

    def test_cancel_order_with_default_settings_sends_to_client(self):
        # Arrange
        self.exec_engine.start()

        strategy = TradingStrategy(order_id_tag="001")
        strategy.register_trader(
            TraderId("TESTER", "000"),
            self.clock,
            self.logger,
        )

        self.exec_engine.register_strategy(strategy)

        order = strategy.order_factory.market(
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity(100000),
        )

        submit = SubmitOrder(
            self.venue,
            self.trader_id,
            self.account_id,
            strategy.id,
            PositionId.null(),
            order,
            self.uuid_factory.generate(),
            self.clock.utc_now(),
        )

        cancel = CancelOrder(
            self.venue,
            self.trader_id,
            self.account_id,
            order.cl_ord_id,
            order.id,
            self.uuid_factory.generate(),
            self.clock.utc_now(),
        )

        self.risk_engine.execute(submit)

        # Act
        self.risk_engine.execute(cancel)

        # Assert
        assert self.exec_client.calls == ['connect', 'submit_order', 'cancel_order']

    def test_submit_bracket_when_block_all_orders_true_then_denies_order(self):
        # Arrange
        self.exec_engine.start()

        strategy = TradingStrategy(order_id_tag="001")
        strategy.register_trader(
            TraderId("TESTER", "000"),
            self.clock,
            self.logger,
        )

        self.exec_engine.register_strategy(strategy)

        entry = strategy.order_factory.market(
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity(100000),
        )

        bracket = strategy.order_factory.bracket(
            entry_order=entry,
            stop_loss=Price("1.00000"),
            take_profit=Price("1.00010"),
        )

        submit_bracket = SubmitBracketOrder(
            self.venue,
            self.trader_id,
            self.account_id,
            strategy.id,
            bracket,
            self.uuid_factory.generate(),
            self.clock.utc_now(),
        )

        self.risk_engine.set_block_all_orders()

        # Act
        self.exec_engine.execute(submit_bracket)

        # Assert
        assert self.exec_client.calls == ['connect']
        assert self.exec_engine.event_count == 3
class TradingStrategyTests(unittest.TestCase):

    def setUp(self):
        # Fixture Setup
        self.clock = TestClock()
        self.uuid_factory = TestUUIDFactory()
        self.logger = TestLogger(self.clock)

        self.portfolio = Portfolio(
            clock=self.clock,
            uuid_factory=self.uuid_factory,
            logger=self.logger,
        )

        self.data_engine = DataEngine(
            tick_capacity=1000,
            bar_capacity=1000,
            portfolio=self.portfolio,
            clock=self.clock,
            uuid_factory=self.uuid_factory,
            logger=self.logger,
        )

        self.data_engine.set_use_previous_close(False)

        self.analyzer = PerformanceAnalyzer()

        trader_id = TraderId('TESTER', '000')
        account_id = TestStubs.account_id()

        self.exec_db = BypassExecutionDatabase(
            trader_id=trader_id,
            logger=self.logger,
        )

        self.exec_engine = ExecutionEngine(
            database=self.exec_db,
            portfolio=self.portfolio,
            clock=self.clock,
            uuid_factory=self.uuid_factory,
            logger=self.logger,
        )

        usdjpy = InstrumentLoader.default_fx_ccy(TestStubs.symbol_usdjpy_fxcm())

        self.market = SimulatedMarket(
            venue=Venue("FXCM"),
            oms_type=OMSType.HEDGING,
            generate_position_ids=True,
            exec_cache=self.exec_engine.cache,
            instruments={usdjpy.symbol: usdjpy},
            config=BacktestConfig(),
            fill_model=FillModel(),
            commission_model=GenericCommissionModel(),
            clock=self.clock,
            uuid_factory=TestUUIDFactory(),
            logger=self.logger,
        )

        self.exec_client = BacktestExecClient(
            market=self.market,
            account_id=account_id,
            engine=self.exec_engine,
            logger=self.logger,
        )

        self.exec_engine.register_client(self.exec_client)
        self.market.register_client(self.exec_client)
        self.exec_engine.process(TestStubs.event_account_state())

        self.market.process_tick(TestStubs.quote_tick_3decimal(usdjpy.symbol))  # Prepare market

        self.strategy = TradingStrategy(order_id_tag="001")
        self.strategy.register_trader(
            trader_id=TraderId("TESTER", "000"),
            clock=self.clock,
            uuid_factory=self.uuid_factory,
            logger=self.logger,
        )

        self.strategy.register_data_engine(self.data_engine)
        self.strategy.register_execution_engine(self.exec_engine)

        print("\n")

    def test_strategy_equality(self):
        # Arrange
        strategy1 = TradingStrategy(order_id_tag="001")
        strategy2 = TradingStrategy(order_id_tag="AUD/USD-001")
        strategy3 = TradingStrategy(order_id_tag="AUD/USD-002")

        # Act
        result1 = strategy1 == strategy1
        result2 = strategy1 == strategy2
        result3 = strategy2 == strategy3
        result4 = strategy1 != strategy1
        result5 = strategy1 != strategy2
        result6 = strategy2 != strategy3

        # Assert
        self.assertTrue(result1)
        self.assertFalse(result2)
        self.assertFalse(result3)
        self.assertFalse(result4)
        self.assertTrue(result5)
        self.assertTrue(result6)

    def test_strategy_is_hashable(self):
        # Arrange
        # Act
        result = self.strategy.__hash__()

        # Assert
        # If this passes then result must be an int
        self.assertTrue(result != 0)

    def test_strategy_str_and_repr(self):
        # Arrange
        strategy = TradingStrategy(order_id_tag="GBP/USD-MM")

        # Act
        result1 = str(strategy)
        result2 = repr(strategy)

        # Assert
        self.assertEqual("TradingStrategy(TradingStrategy-GBP/USD-MM)", result1)
        self.assertTrue(result2.startswith("<TradingStrategy(TradingStrategy-GBP/USD-MM) object at"))
        self.assertTrue(result2.endswith(">"))

    def test_get_strategy_id(self):
        # Arrange
        # Act
        # Assert
        self.assertEqual(StrategyId("TradingStrategy", "001"), self.strategy.id)

    def test_get_current_time(self):
        # Arrange
        # Act
        result = self.strategy.clock.utc_now()

        # Assert
        self.assertEqual(pytz.utc, result.tzinfo)

    def test_initialization(self):
        # Arrange
        bar_type = TestStubs.bartype_gbpusd_1sec_mid()
        strategy = TestStrategy1(bar_type)

        # Act
        # Assert
        self.assertFalse(strategy.indicators_initialized())

    def test_get_tick_count_for_unknown_symbol_returns_zero(self):
        # Arrange
        # Act
        result = self.strategy.quote_tick_count(AUDUSD_FXCM)

        # Assert
        self.assertEqual(0, result)

    def test_get_ticks_for_unknown_symbol_raises_exception(self):
        # Arrange
        # Act
        # Assert
        self.assertRaises(KeyError, self.strategy.quote_ticks, AUDUSD_FXCM)

    def test_get_bar_count_for_unknown_bar_type_returns_zero(self):
        # Arrange
        bar_type = TestStubs.bartype_gbpusd_1sec_mid()

        # Act
        result = self.strategy.bar_count(bar_type)

        # Assert
        self.assertEqual(0, result)

    def test_get_bars_for_unknown_bar_type_raises_exception(self):
        # Arrange
        bar_type = TestStubs.bartype_gbpusd_1sec_mid()

        # Act
        # Assert
        self.assertRaises(KeyError, self.strategy.bars, bar_type)

    def test_bars(self):
        # Arrange
        bar_type = TestStubs.bartype_gbpusd_1sec_mid()
        bar = Bar(
            Price("1.00001"),
            Price("1.00004"),
            Price("1.00002"),
            Price("1.00003"),
            Quantity(100000),
            datetime(1970, 1, 1, 00, 00, 0, 0, pytz.utc),
        )

        self.data_engine.handle_bar(bar_type, bar)

        # Act
        result = self.strategy.bars(bar_type)

        # Assert
        self.assertTrue(bar, result[0])

    def test_getting_bar_for_unknown_bar_type_raises_exception(self):
        # Arrange
        unknown_bar_type = TestStubs.bartype_gbpusd_1sec_mid()

        # Act
        # Assert
        self.assertRaises(KeyError, self.strategy.bar, unknown_bar_type, 0)

    def test_getting_bar_at_out_of_range_index_raises_exception(self):
        # Arrange
        bar_type = TestStubs.bartype_gbpusd_1sec_mid()
        bar = Bar(
            Price("1.00001"),
            Price("1.00004"),
            Price("1.00002"),
            Price("1.00003"),
            Quantity(100000),
            datetime(1970, 1, 1, 00, 00, 0, 0, pytz.utc),
        )

        self.data_engine.handle_bar(bar_type, bar)

        # Act
        # Assert
        self.assertRaises(IndexError, self.strategy.bar, bar_type, -2)

    def test_get_bar(self):
        bar_type = TestStubs.bartype_gbpusd_1sec_mid()
        bar = Bar(
            Price("1.00001"),
            Price("1.00004"),
            Price("1.00002"),
            Price("1.00003"),
            Quantity(100000),
            datetime(1970, 1, 1, 00, 00, 0, 0, pytz.utc),
        )

        self.data_engine.handle_bar(bar_type, bar)

        # Act
        result = self.strategy.bar(bar_type, 0)

        # Assert
        self.assertEqual(bar, result)

    def test_getting_tick_with_unknown_tick_type_raises_exception(self):
        # Act
        # Assert
        self.assertRaises(KeyError, self.strategy.quote_tick, AUDUSD_FXCM, 0)

    def test_get_quote_tick(self):
        tick = QuoteTick(
            AUDUSD_FXCM,
            Price("1.00000"),
            Price("1.00001"),
            Quantity(1),
            Quantity(1),
            datetime(2018, 1, 1, 19, 59, 1, 0, pytz.utc),
        )

        self.data_engine.handle_quote_tick(tick)

        # Act
        result = self.strategy.quote_tick(tick.symbol, 0)

        # Assert
        self.assertEqual(tick, result)

    def test_get_trade_tick(self):
        tick = TradeTick(
            AUDUSD_FXCM,
            Price("1.00000"),
            Quantity(10000),
            Maker.BUYER,
            MatchId("123456789"),
            datetime(2018, 1, 1, 19, 59, 1, 0, pytz.utc),
        )

        self.data_engine.handle_trade_tick(tick)

        # Act
        result = self.strategy.trade_tick(tick.symbol, 0)

        # Assert
        self.assertEqual(tick, result)

    def test_start_strategy(self):
        # Arrange
        bar_type = TestStubs.bartype_audusd_1min_bid()
        strategy = TestStrategy1(bar_type)
        strategy.register_trader(
            TraderId("TESTER", "000"),
            clock=self.clock,
            uuid_factory=self.uuid_factory,
            logger=self.logger,
        )
        self.data_engine.register_strategy(strategy)
        self.exec_engine.register_strategy(strategy)

        result1 = strategy.state()

        # Act
        strategy.start()
        result2 = strategy.state()

        # Assert
        self.assertEqual(ComponentState.INITIALIZED, result1)
        self.assertEqual(ComponentState.RUNNING, result2)
        self.assertTrue("custom start logic" in strategy.object_storer.get_store())

    def test_stop_strategy(self):
        # Arrange
        bar_type = TestStubs.bartype_audusd_1min_bid()
        strategy = TestStrategy1(bar_type)
        strategy.register_trader(
            TraderId("TESTER", "000"),
            clock=self.clock,
            uuid_factory=self.uuid_factory,
            logger=self.logger,
        )
        self.data_engine.register_strategy(strategy)
        self.exec_engine.register_strategy(strategy)

        # Act
        strategy.start()
        strategy.stop()

        # Assert
        self.assertEqual(ComponentState.STOPPED, strategy.state())
        self.assertTrue("custom stop logic" in strategy.object_storer.get_store())

    def test_reset_strategy(self):
        # Arrange
        bar_type = TestStubs.bartype_audusd_1min_bid()
        strategy = TestStrategy1(bar_type)
        strategy.register_trader(
            TraderId("TESTER", "000"),
            clock=self.clock,
            uuid_factory=self.uuid_factory,
            logger=self.logger,
        )
        bar_type = TestStubs.bartype_gbpusd_1sec_mid()

        bar = Bar(
            Price("1.00001"),
            Price("1.00004"),
            Price("1.00002"),
            Price("1.00003"),
            Quantity(100000),
            datetime(1970, 1, 1, 00, 00, 0, 0, pytz.utc),
        )

        strategy.handle_bar(bar_type, bar)

        # Act
        strategy.reset()

        # Assert
        self.assertEqual(ComponentState.INITIALIZED, strategy.state())
        self.assertEqual(0, strategy.ema1.count)
        self.assertEqual(0, strategy.ema2.count)
        self.assertTrue("custom reset logic" in strategy.object_storer.get_store())

    def test_register_indicator_with_strategy(self):
        # Arrange
        bar_type = TestStubs.bartype_audusd_1min_bid()
        strategy = TestStrategy1(bar_type)
        strategy.register_trader(
            TraderId("TESTER", "000"),
            clock=self.clock,
            uuid_factory=self.uuid_factory,
            logger=self.logger,
        )

        # Act
        result = strategy.registered_indicators()

        # Assert
        self.assertEqual([strategy.ema1, strategy.ema2], result)

    def test_register_strategy_with_exec_client(self):
        # Arrange
        strategy = TradingStrategy(order_id_tag="001")
        strategy.register_trader(
            TraderId("TESTER", "000"),
            clock=self.clock,
            uuid_factory=self.uuid_factory,
            logger=self.logger,
        )

        # Act
        self.exec_engine.register_strategy(strategy)

        # Assert
        self.assertIsNotNone(strategy.execution)

    def test_stopping_a_strategy_cancels_a_running_time_alert(self):
        # Arrange
        bar_type = TestStubs.bartype_audusd_1min_bid()
        strategy = TestStrategy1(bar_type)
        strategy.register_trader(
            TraderId("TESTER", "000"),
            clock=self.clock,
            uuid_factory=self.uuid_factory,
            logger=self.logger,
        )
        self.data_engine.register_strategy(strategy)
        self.exec_engine.register_strategy(strategy)

        alert_time = datetime.now(pytz.utc) + timedelta(milliseconds=200)
        strategy.clock.set_time_alert("test_alert1", alert_time)

        # Act
        strategy.start()
        time.sleep(0.1)
        strategy.stop()

        # Assert
        self.assertEqual(2, strategy.object_storer.count)

    def test_stopping_a_strategy_cancels_a_running_timer(self):
        # Arrange
        bar_type = TestStubs.bartype_audusd_1min_bid()
        strategy = TestStrategy1(bar_type)
        strategy.register_trader(
            TraderId("TESTER", "000"),
            clock=self.clock,
            uuid_factory=self.uuid_factory,
            logger=self.logger,
        )
        self.data_engine.register_strategy(strategy)
        self.exec_engine.register_strategy(strategy)

        start_time = datetime.now(pytz.utc) + timedelta(milliseconds=100)
        strategy.clock.set_timer("test_timer3", timedelta(milliseconds=100), start_time, stop_time=None)

        # Act
        strategy.start()
        time.sleep(0.1)
        strategy.stop()

        # Assert
        self.assertEqual(2, strategy.object_storer.count)

    def test_strategy_can_submit_order(self):
        # Arrange
        strategy = TradingStrategy(order_id_tag="001")
        strategy.register_trader(
            TraderId("TESTER", "000"),
            clock=self.clock,
            uuid_factory=self.uuid_factory,
            logger=self.logger,
        )
        self.exec_engine.register_strategy(strategy)

        order = strategy.order_factory.market(
            USDJPY_FXCM,
            OrderSide.BUY,
            Quantity(100000),
        )

        # Act
        strategy.submit_order(order)

        # Assert
        self.assertTrue(order in strategy.execution.orders())
        self.assertEqual(OrderState.FILLED, strategy.execution.orders()[0].state())
        self.assertTrue(order.cl_ord_id not in strategy.execution.orders_working())
        self.assertFalse(strategy.execution.is_order_working(order.cl_ord_id))
        self.assertTrue(strategy.execution.is_order_completed(order.cl_ord_id))

    def test_cancel_order(self):
        # Arrange
        strategy = TradingStrategy(order_id_tag="001")
        strategy.register_trader(
            TraderId("TESTER", "000"),
            clock=self.clock,
            uuid_factory=self.uuid_factory,
            logger=self.logger,
        )
        self.exec_engine.register_strategy(strategy)

        order = strategy.order_factory.stop(
            USDJPY_FXCM,
            OrderSide.BUY,
            Quantity(100000),
            Price("90.005"),
        )

        strategy.submit_order(order)

        # Act
        strategy.cancel_order(order)

        # Assert
        self.assertTrue(order in strategy.execution.orders())
        self.assertEqual(OrderState.CANCELLED, strategy.execution.orders()[0].state())
        self.assertEqual(order.cl_ord_id, strategy.execution.orders_completed()[0].cl_ord_id)
        self.assertTrue(order.cl_ord_id not in strategy.execution.orders_working())
        self.assertTrue(strategy.execution.order_exists(order.cl_ord_id))
        self.assertFalse(strategy.execution.is_order_working(order.cl_ord_id))
        self.assertTrue(strategy.execution.is_order_completed(order.cl_ord_id))

    def test_modify_order(self):
        # Arrange
        strategy = TradingStrategy(order_id_tag="001")
        strategy.register_trader(
            TraderId("TESTER", "000"),
            clock=self.clock,
            uuid_factory=self.uuid_factory,
            logger=self.logger)
        self.exec_engine.register_strategy(strategy)

        order = strategy.order_factory.limit(
            USDJPY_FXCM,
            OrderSide.BUY,
            Quantity(100000),
            Price("90.001"),
        )

        strategy.submit_order(order)

        # Act
        strategy.modify_order(order, Quantity(110000), Price("90.002"))

        # Assert
        self.assertEqual(order, strategy.execution.orders()[0])
        self.assertEqual(OrderState.WORKING, strategy.execution.orders()[0].state())
        self.assertEqual(Quantity(110000), strategy.execution.orders()[0].quantity)
        self.assertEqual(Price("90.002"), strategy.execution.orders()[0].price)
        self.assertTrue(strategy.execution.is_flat())
        self.assertTrue(strategy.execution.order_exists(order.cl_ord_id))
        self.assertTrue(strategy.execution.is_order_working(order.cl_ord_id))
        self.assertFalse(strategy.execution.is_order_completed(order.cl_ord_id))

    def test_cancel_all_orders(self):
        # Arrange
        strategy = TradingStrategy(order_id_tag="001")
        strategy.register_trader(
            TraderId("TESTER", "000"),
            clock=self.clock,
            uuid_factory=self.uuid_factory,
            logger=self.logger)
        self.exec_engine.register_strategy(strategy)

        order1 = strategy.order_factory.stop(
            USDJPY_FXCM,
            OrderSide.BUY,
            Quantity(100000),
            Price("90.003"),
        )

        order2 = strategy.order_factory.stop(
            USDJPY_FXCM,
            OrderSide.BUY,
            Quantity(100000),
            Price("90.005"),
        )

        strategy.submit_order(order1)
        strategy.submit_order(order2)

        # Act
        strategy.cancel_all_orders(USDJPY_FXCM)

        # Assert
        self.assertTrue(order1 in strategy.execution.orders())
        self.assertTrue(order2 in strategy.execution.orders())
        self.assertEqual(OrderState.CANCELLED, strategy.execution.orders()[0].state())
        self.assertEqual(OrderState.CANCELLED, strategy.execution.orders()[1].state())
        self.assertTrue(order1 in strategy.execution.orders_completed())
        self.assertTrue(order2 in strategy.execution.orders_completed())

    def test_flatten_position(self):
        # Arrange
        strategy = TradingStrategy(order_id_tag="001")
        strategy.register_trader(
            TraderId("TESTER", "000"),
            clock=self.clock,
            uuid_factory=self.uuid_factory,
            logger=self.logger,
        )
        self.exec_engine.register_strategy(strategy)

        order = strategy.order_factory.market(
            USDJPY_FXCM,
            OrderSide.BUY,
            Quantity(100000),
        )

        strategy.submit_order(order)

        filled = TestStubs.event_order_filled(
            order,
            position_id=PositionId("B-USD/JPY-1"),
            strategy_id=strategy.id,
        )
        position = Position(filled)

        # Act
        strategy.flatten_position(position)

        # Assert
        self.assertTrue(order in strategy.execution.orders())
        self.assertEqual(OrderState.FILLED, strategy.execution.orders()[0].state())
        self.assertEqual(PositionSide.FLAT, strategy.execution.positions()[0].side)
        self.assertTrue(strategy.execution.positions()[0].is_closed())
        self.assertTrue(PositionId("B-USD/JPY-1") in strategy.execution.position_closed_ids())
        self.assertTrue(strategy.execution.is_completely_flat())

    def test_flatten_all_positions(self):
        # Arrange
        strategy = TradingStrategy(order_id_tag="001")
        strategy.register_trader(
            TraderId("TESTER", "000"),
            clock=self.clock,
            uuid_factory=self.uuid_factory,
            logger=self.logger,
        )
        self.exec_engine.register_strategy(strategy)

        order1 = strategy.order_factory.market(
            USDJPY_FXCM,
            OrderSide.BUY,
            Quantity(100000),
        )

        order2 = strategy.order_factory.market(
            USDJPY_FXCM,
            OrderSide.BUY,
            Quantity(100000),
        )

        strategy.submit_order(order1)
        strategy.submit_order(order2)

        filled1 = TestStubs.event_order_filled(
            order1,
            position_id=PositionId("B-USD/JPY-1"),
            strategy_id=strategy.id,
        )

        filled2 = TestStubs.event_order_filled(
            order2,
            position_id=PositionId("B-USD/JPY-2"),
            strategy_id=strategy.id,
        )

        position1 = Position(filled1)
        position2 = Position(filled2)

        # Act
        strategy.flatten_all_positions(USDJPY_FXCM)

        # Assert
        self.assertTrue(order1 in strategy.execution.orders())
        self.assertTrue(order2 in strategy.execution.orders())
        self.assertEqual(OrderState.FILLED, strategy.execution.orders()[0].state())
        self.assertEqual(OrderState.FILLED, strategy.execution.orders()[1].state())
        self.assertEqual(PositionSide.FLAT, strategy.execution.positions()[0].side)
        self.assertEqual(PositionSide.FLAT, strategy.execution.positions()[1].side)
        self.assertTrue(position1.id in strategy.execution.position_closed_ids())
        self.assertTrue(position2.id in strategy.execution.position_closed_ids())
        self.assertTrue(strategy.execution.is_completely_flat())

    def test_update_indicators(self):
        # Arrange
        bar_type = TestStubs.bartype_gbpusd_1sec_mid()
        strategy = TestStrategy1(bar_type)
        strategy.register_trader(
            TraderId("TESTER", "000"),
            clock=self.clock,
            uuid_factory=self.uuid_factory,
            logger=self.logger,
        )

        bar = Bar(
            Price("1.00001"),
            Price("1.00004"),
            Price("1.00002"),
            Price("1.00003"),
            Quantity(100000),
            datetime(1970, 1, 1, 00, 00, 0, 0, pytz.utc),
        )

        # Act
        strategy.handle_bar(bar_type, bar)

        # Assert
        self.assertEqual(1, strategy.ema1.count)
        self.assertEqual(1, strategy.ema2.count)

    def test_can_track_orders_for_an_opened_position(self):
        # Arrange
        bar_type = TestStubs.bartype_audusd_1min_bid()
        strategy = TestStrategy1(bar_type)
        strategy.register_trader(
            TraderId("TESTER", "000"),
            clock=self.clock,
            uuid_factory=self.uuid_factory,
            logger=self.logger,
        )
        self.exec_engine.register_strategy(strategy)

        order = strategy.order_factory.market(
            USDJPY_FXCM,
            OrderSide.BUY,
            Quantity(100000),
        )

        strategy.submit_order(order)

        # Act
        # Assert
        self.assertTrue(order in strategy.execution.orders())
        self.assertTrue(PositionId("B-USD/JPY-1") in strategy.execution.position_ids())
        self.assertEqual(0, len(strategy.execution.orders_working()))
        self.assertTrue(order in strategy.execution.orders_completed())
        self.assertEqual(0, len(strategy.execution.positions_closed()))
        self.assertTrue(order in strategy.execution.orders_completed())
        self.assertTrue(PositionId("B-USD/JPY-1") in strategy.execution.position_open_ids())
        self.assertFalse(strategy.execution.is_completely_flat())

    def test_can_track_orders_for_a_closing_position(self):
        # Arrange
        bar_type = TestStubs.bartype_audusd_1min_bid()
        strategy = TestStrategy1(bar_type)
        strategy.register_trader(
            TraderId("TESTER", "000"),
            clock=self.clock,
            uuid_factory=self.uuid_factory,
            logger=self.logger,
        )
        self.exec_engine.register_strategy(strategy)

        order1 = strategy.order_factory.market(
            USDJPY_FXCM,
            OrderSide.BUY,
            Quantity(100000),
        )

        order2 = strategy.order_factory.market(
            USDJPY_FXCM,
            OrderSide.SELL,
            Quantity(100000),
        )

        strategy.submit_order(order1)
        strategy.submit_order(order2, PositionId("B-USD/JPY-1"))  # Position identifier generated by exchange

        # Act
        print(self.exec_engine.cache.orders())
        # Assert
        self.assertEqual(0, len(self.exec_engine.cache.orders_working()))
        self.assertTrue(order1 in self.exec_engine.cache.orders_completed())
        self.assertTrue(order2 in self.exec_engine.cache.orders_completed())
        self.assertEqual(1, len(self.exec_engine.cache.positions_closed()))
        self.assertEqual(0, len(self.exec_engine.cache.positions_open()))
        self.assertTrue(self.exec_engine.cache.is_completely_flat())
Exemple #4
0
class PortfolioTests(unittest.TestCase):
    def setUp(self):
        # Fixture Setup
        clock = TestClock()
        logger = Logger(clock, level_stdout=LogLevel.DEBUG)
        trader_id = TraderId("TESTER-000")

        self.order_factory = OrderFactory(
            trader_id=trader_id,
            strategy_id=StrategyId("S-001"),
            clock=TestClock(),
        )

        cache_db = BypassCacheDatabase(
            trader_id=trader_id,
            logger=logger,
        )

        self.cache = Cache(
            database=cache_db,
            logger=logger,
        )

        self.portfolio = Portfolio(
            cache=self.cache,
            clock=clock,
            logger=logger,
        )

        self.exec_engine = ExecutionEngine(
            portfolio=self.portfolio,
            cache=self.cache,
            clock=clock,
            logger=logger,
        )

        self.risk_engine = RiskEngine(
            exec_engine=self.exec_engine,
            portfolio=self.portfolio,
            cache=self.cache,
            clock=clock,
            logger=logger,
        )

        # Wire up components
        self.exec_engine.register_risk_engine(self.risk_engine)

        # Prepare components
        self.cache.add_instrument(AUDUSD_SIM)
        self.cache.add_instrument(GBPUSD_SIM)
        self.cache.add_instrument(BTCUSDT_BINANCE)
        self.cache.add_instrument(BTCUSD_BITMEX)
        self.cache.add_instrument(ETHUSD_BITMEX)

    def test_account_when_no_account_returns_none(self):
        # Arrange
        # Act
        # Assert
        self.assertIsNone(self.portfolio.account(SIM))

    def test_account_when_account_returns_the_account_facade(self):
        # Arrange
        account_state = AccountState(
            account_id=AccountId("BINANCE", "1513111"),
            account_type=AccountType.CASH,
            base_currency=None,
            reported=True,
            balances=[
                AccountBalance(
                    BTC,
                    Money(10.00000000, BTC),
                    Money(0.00000000, BTC),
                    Money(10.00000000, BTC),
                )
            ],
            info={},
            event_id=uuid4(),
            updated_ns=0,
            timestamp_ns=0,
        )
        self.exec_engine.process(account_state)

        # Act
        result = self.portfolio.account(BINANCE)

        # Assert
        self.assertEqual("BINANCE", result.id.issuer)

    def test_net_position_when_no_positions_returns_zero(self):
        # Arrange
        # Act
        # Assert
        self.assertEqual(Decimal(0),
                         self.portfolio.net_position(AUDUSD_SIM.id))

    def test_is_net_long_when_no_positions_returns_false(self):
        # Arrange
        # Act
        # Assert
        self.assertEqual(False, self.portfolio.is_net_long(AUDUSD_SIM.id))

    def test_is_net_short_when_no_positions_returns_false(self):
        # Arrange
        # Act
        # Assert
        self.assertEqual(False, self.portfolio.is_net_short(AUDUSD_SIM.id))

    def test_is_flat_when_no_positions_returns_true(self):
        # Arrange
        # Act
        # Assert
        self.assertEqual(True, self.portfolio.is_flat(AUDUSD_SIM.id))

    def test_is_completely_flat_when_no_positions_returns_true(self):
        # Arrange
        # Act
        # Assert
        self.assertEqual(True, self.portfolio.is_flat(AUDUSD_SIM.id))

    def test_unrealized_pnl_for_instrument_when_no_instrument_returns_none(
            self):
        # Arrange
        # Act
        # Assert
        self.assertIsNone(self.portfolio.unrealized_pnl(USDJPY_SIM.id))

    def test_unrealized_pnl_for_venue_when_no_account_returns_empty_dict(self):
        # Arrange
        # Act
        # Assert
        self.assertEqual({}, self.portfolio.unrealized_pnls(SIM))

    def test_initial_margins_when_no_account_returns_none(self):
        # Arrange
        # Act
        # Assert
        self.assertEqual(None, self.portfolio.initial_margins(SIM))

    def test_maint_margins_when_no_account_returns_none(self):
        # Arrange
        # Act
        # Assert
        self.assertEqual(None, self.portfolio.maint_margins(SIM))

    def test_open_value_when_no_account_returns_none(self):
        # Arrange
        # Act
        # Assert
        self.assertEqual(None, self.portfolio.net_exposures(SIM))

    def test_update_tick(self):
        # Arrange
        tick = TestStubs.quote_tick_5decimal(GBPUSD_SIM.id)

        # Act
        self.portfolio.update_tick(tick)

        # Assert
        self.assertIsNone(self.portfolio.unrealized_pnl(GBPUSD_SIM.id))

    def test_update_orders_working(self):
        # Arrange
        state = AccountState(
            account_id=AccountId("BINANCE", "01234"),
            account_type=AccountType.CASH,
            base_currency=None,  # Multi-currency account
            reported=True,
            balances=[
                AccountBalance(
                    BTC,
                    Money(10.00000000, BTC),
                    Money(0.00000000, BTC),
                    Money(10.00000000, BTC),
                ),
                AccountBalance(
                    ETH,
                    Money(20.00000000, ETH),
                    Money(0.00000000, ETH),
                    Money(20.00000000, ETH),
                ),
            ],
            info={},
            event_id=uuid4(),
            updated_ns=0,
            timestamp_ns=0,
        )

        self.exec_engine.process(state)

        # Create two working orders
        order1 = self.order_factory.stop_market(
            BTCUSDT_BINANCE.id,
            OrderSide.BUY,
            Quantity.from_str("10.5"),
            Price.from_str("25000.00"),
        )

        order2 = self.order_factory.stop_market(
            BTCUSDT_BINANCE.id,
            OrderSide.BUY,
            Quantity.from_str("10.5"),
            Price.from_str("25000.00"),
        )

        self.exec_engine.cache.add_order(order1, PositionId.null())
        self.exec_engine.cache.add_order(order2, PositionId.null())

        # Push states to ACCEPTED
        order1.apply(TestStubs.event_order_submitted(order1))
        self.exec_engine.cache.update_order(order1)
        order1.apply(TestStubs.event_order_accepted(order1))
        self.exec_engine.cache.update_order(order1)

        filled1 = TestStubs.event_order_filled(
            order1,
            instrument=BTCUSDT_BINANCE,
            position_id=PositionId("P-1"),
            strategy_id=StrategyId("S-1"),
            last_px=Price.from_str("25000.00"),
        )
        self.exec_engine.process(filled1)

        # Update the last quote
        last = QuoteTick(
            BTCUSDT_BINANCE.id,
            Price.from_str("25001.00"),
            Price.from_str("25002.00"),
            Quantity.from_int(1),
            Quantity.from_int(1),
            0,
            0,
        )

        # Act
        self.portfolio.update_tick(last)
        self.portfolio.initialize_orders()

        # Assert
        self.assertEqual({}, self.portfolio.initial_margins(BINANCE))

    def test_update_positions(self):
        # Arrange
        state = AccountState(
            account_id=AccountId("BINANCE", "01234"),
            account_type=AccountType.CASH,
            base_currency=None,  # Multi-currency account
            reported=True,
            balances=[
                AccountBalance(
                    BTC,
                    Money(10.00000000, BTC),
                    Money(0.00000000, BTC),
                    Money(10.00000000, BTC),
                ),
                AccountBalance(
                    ETH,
                    Money(20.00000000, ETH),
                    Money(0.00000000, ETH),
                    Money(20.00000000, ETH),
                ),
            ],
            info={},
            event_id=uuid4(),
            updated_ns=0,
            timestamp_ns=0,
        )

        self.exec_engine.process(state)

        # Create a closed position
        order1 = self.order_factory.market(
            BTCUSDT_BINANCE.id,
            OrderSide.BUY,
            Quantity.from_str("10.50000000"),
        )

        order2 = self.order_factory.market(
            BTCUSDT_BINANCE.id,
            OrderSide.SELL,
            Quantity.from_str("10.50000000"),
        )

        self.exec_engine.cache.add_order(order1, PositionId.null())
        self.exec_engine.cache.add_order(order2, PositionId.null())

        # Push states to ACCEPTED
        order1.apply(TestStubs.event_order_submitted(order1))
        self.exec_engine.cache.update_order(order1)
        order1.apply(TestStubs.event_order_accepted(order1))
        self.exec_engine.cache.update_order(order1)

        fill1 = TestStubs.event_order_filled(
            order1,
            instrument=BTCUSDT_BINANCE,
            position_id=PositionId("P-1"),
            strategy_id=StrategyId("S-1"),
            last_px=Price.from_str("25000.00"),
        )

        fill2 = TestStubs.event_order_filled(
            order2,
            instrument=BTCUSDT_BINANCE,
            position_id=PositionId("P-1"),
            strategy_id=StrategyId("S-1"),
            last_px=Price.from_str("25000.00"),
        )

        position1 = Position(instrument=BTCUSDT_BINANCE, fill=fill1)
        position1.apply(fill2)

        order3 = self.order_factory.market(
            BTCUSDT_BINANCE.id,
            OrderSide.BUY,
            Quantity.from_str("10.00000000"),
        )

        fill3 = TestStubs.event_order_filled(
            order3,
            instrument=BTCUSDT_BINANCE,
            position_id=PositionId("P-2"),
            strategy_id=StrategyId("S-1"),
            last_px=Price.from_str("25000.00"),
        )

        position2 = Position(instrument=BTCUSDT_BINANCE, fill=fill3)

        # Update the last quote
        last = QuoteTick(
            BTCUSDT_BINANCE.id,
            Price.from_str("25001.00"),
            Price.from_str("25002.00"),
            Quantity.from_int(1),
            Quantity.from_int(1),
            0,
            0,
        )

        # Act
        self.cache.add_position(position1)
        self.cache.add_position(position2)
        self.portfolio.initialize_positions()
        self.portfolio.update_tick(last)

        # Assert
        self.assertTrue(self.portfolio.is_net_long(BTCUSDT_BINANCE.id))

    def test_opening_one_long_position_updates_portfolio(self):
        # Arrange
        state = AccountState(
            account_id=AccountId("BINANCE", "01234"),
            account_type=AccountType.CASH,
            base_currency=None,  # Multi-currency account
            reported=True,
            balances=[
                AccountBalance(
                    BTC,
                    Money(10.00000000, BTC),
                    Money(0.00000000, BTC),
                    Money(10.00000000, BTC),
                ),
                AccountBalance(
                    ETH,
                    Money(20.00000000, ETH),
                    Money(0.00000000, ETH),
                    Money(20.00000000, ETH),
                ),
            ],
            info={},
            event_id=uuid4(),
            updated_ns=0,
            timestamp_ns=0,
        )

        self.exec_engine.process(state)

        order = self.order_factory.market(
            BTCUSDT_BINANCE.id,
            OrderSide.BUY,
            Quantity.from_str("10.000000"),
        )

        fill = TestStubs.event_order_filled(
            order=order,
            instrument=BTCUSDT_BINANCE,
            position_id=PositionId("P-123456"),
            strategy_id=StrategyId("S-001"),
            last_px=Price.from_str("10500.00"),
        )

        last = QuoteTick(
            BTCUSDT_BINANCE.id,
            Price.from_str("10510.00"),
            Price.from_str("10511.00"),
            Quantity.from_str("1.000000"),
            Quantity.from_str("1.000000"),
            0,
            0,
        )

        self.cache.add_quote_tick(last)
        self.portfolio.update_tick(last)

        position = Position(instrument=BTCUSDT_BINANCE, fill=fill)

        # Act
        self.cache.add_position(position)
        self.portfolio.update_position(
            TestStubs.event_position_opened(position))

        # Assert
        self.assertEqual(
            {USDT: Money(105100.00000000, USDT)},
            self.portfolio.net_exposures(BINANCE),
        )
        self.assertEqual(
            {USDT: Money(100.00000000, USDT)},
            self.portfolio.unrealized_pnls(BINANCE),
        )
        self.assertEqual(
            {USDT: Money(105.10000000, USDT)},
            self.portfolio.maint_margins(BINANCE),
        )
        self.assertEqual(
            Money(105100.00000000, USDT),
            self.portfolio.net_exposure(BTCUSDT_BINANCE.id),
        )
        self.assertEqual(
            Money(100.00000000, USDT),
            self.portfolio.unrealized_pnl(BTCUSDT_BINANCE.id),
        )
        self.assertEqual(
            Decimal("10.00000000"),
            self.portfolio.net_position(order.instrument_id),
        )
        self.assertTrue(self.portfolio.is_net_long(order.instrument_id))
        self.assertFalse(self.portfolio.is_net_short(order.instrument_id))
        self.assertFalse(self.portfolio.is_flat(order.instrument_id))
        self.assertFalse(self.portfolio.is_completely_flat())

    def test_opening_one_short_position_updates_portfolio(self):
        # Arrange
        state = AccountState(
            account_id=AccountId("BINANCE", "01234"),
            account_type=AccountType.CASH,
            base_currency=None,  # Multi-currency account
            reported=True,
            balances=[
                AccountBalance(
                    BTC,
                    Money(10.00000000, BTC),
                    Money(0.00000000, BTC),
                    Money(10.00000000, BTC),
                ),
                AccountBalance(
                    ETH,
                    Money(20.00000000, ETH),
                    Money(0.00000000, ETH),
                    Money(20.00000000, ETH),
                ),
            ],
            info={},
            event_id=uuid4(),
            updated_ns=0,
            timestamp_ns=0,
        )

        self.exec_engine.process(state)

        order = self.order_factory.market(
            BTCUSDT_BINANCE.id,
            OrderSide.SELL,
            Quantity.from_str("0.515"),
        )

        fill = TestStubs.event_order_filled(
            order=order,
            instrument=BTCUSDT_BINANCE,
            position_id=PositionId("P-123456"),
            strategy_id=StrategyId("S-001"),
            last_px=Price.from_str("15000.00"),
        )

        last = QuoteTick(
            BTCUSDT_BINANCE.id,
            Price.from_str("15510.15"),
            Price.from_str("15510.25"),
            Quantity.from_str("12.62"),
            Quantity.from_str("3.1"),
            0,
            0,
        )

        self.cache.add_quote_tick(last)
        self.portfolio.update_tick(last)

        position = Position(instrument=BTCUSDT_BINANCE, fill=fill)

        # Act
        self.cache.add_position(position)
        self.portfolio.update_position(
            TestStubs.event_position_opened(position))

        # Assert
        self.assertEqual(
            {USDT: Money(7987.77875000, USDT)},
            self.portfolio.net_exposures(BINANCE),
        )
        self.assertEqual(
            {USDT: Money(-262.77875000, USDT)},
            self.portfolio.unrealized_pnls(BINANCE),
        )
        self.assertEqual(
            {USDT: Money(7.98777875, USDT)},
            self.portfolio.maint_margins(BINANCE),
        )
        self.assertEqual(
            Money(7987.77875000, USDT),
            self.portfolio.net_exposure(BTCUSDT_BINANCE.id),
        )
        self.assertEqual(
            Money(-262.77875000, USDT),
            self.portfolio.unrealized_pnl(BTCUSDT_BINANCE.id),
        )
        self.assertEqual(
            Decimal("-0.515"),
            self.portfolio.net_position(order.instrument_id),
        )
        self.assertFalse(self.portfolio.is_net_long(order.instrument_id))
        self.assertTrue(self.portfolio.is_net_short(order.instrument_id))
        self.assertFalse(self.portfolio.is_flat(order.instrument_id))
        self.assertFalse(self.portfolio.is_completely_flat())

    def test_opening_positions_with_multi_asset_account(self):
        # Arrange
        state = AccountState(
            account_id=AccountId("BITMEX", "01234"),
            account_type=AccountType.CASH,
            base_currency=None,  # Multi-currency account
            reported=True,
            balances=[
                AccountBalance(
                    BTC,
                    Money(10.00000000, BTC),
                    Money(0.00000000, BTC),
                    Money(10.00000000, BTC),
                ),
                AccountBalance(
                    ETH,
                    Money(20.00000000, ETH),
                    Money(0.00000000, ETH),
                    Money(20.00000000, ETH),
                ),
            ],
            info={},
            event_id=uuid4(),
            updated_ns=0,
            timestamp_ns=0,
        )

        self.exec_engine.process(state)

        last_ethusd = QuoteTick(
            ETHUSD_BITMEX.id,
            Price.from_str("376.05"),
            Price.from_str("377.10"),
            Quantity.from_str("16"),
            Quantity.from_str("25"),
            0,
            0,
        )

        last_btcusd = QuoteTick(
            BTCUSD_BITMEX.id,
            Price.from_str("10500.05"),
            Price.from_str("10501.51"),
            Quantity.from_str("2.54"),
            Quantity.from_str("0.91"),
            0,
            0,
        )

        self.cache.add_quote_tick(last_ethusd)
        self.cache.add_quote_tick(last_btcusd)
        self.portfolio.update_tick(last_ethusd)
        self.portfolio.update_tick(last_btcusd)

        order = self.order_factory.market(
            ETHUSD_BITMEX.id,
            OrderSide.BUY,
            Quantity.from_int(10000),
        )

        fill = TestStubs.event_order_filled(
            order=order,
            instrument=ETHUSD_BITMEX,
            position_id=PositionId("P-123456"),
            strategy_id=StrategyId("S-001"),
            last_px=Price.from_str("376.05"),
        )

        position = Position(instrument=ETHUSD_BITMEX, fill=fill)

        # Act
        self.cache.add_position(position)
        self.portfolio.update_position(
            TestStubs.event_position_opened(position))

        # Assert
        self.assertEqual(
            {ETH: Money(26.59220848, ETH)},
            self.portfolio.net_exposures(BITMEX),
        )
        self.assertEqual(
            {ETH: Money(0.20608962, ETH)},
            self.portfolio.maint_margins(BITMEX),
        )
        self.assertEqual(
            Money(26.59220848, ETH),
            self.portfolio.net_exposure(ETHUSD_BITMEX.id),
        )
        self.assertEqual(
            Money(0.00000000, ETH),
            self.portfolio.unrealized_pnl(ETHUSD_BITMEX.id),
        )

    def test_unrealized_pnl_when_insufficient_data_for_xrate_returns_none(
            self):
        # Arrange
        state = AccountState(
            account_id=AccountId("BITMEX", "01234"),
            account_type=AccountType.MARGIN,
            base_currency=BTC,
            reported=True,
            balances=[
                AccountBalance(
                    BTC,
                    Money(10.00000000, BTC),
                    Money(0.00000000, BTC),
                    Money(10.00000000, BTC),
                ),
                AccountBalance(
                    ETH,
                    Money(20.00000000, ETH),
                    Money(0.00000000, ETH),
                    Money(20.00000000, ETH),
                ),
            ],
            info={},
            event_id=uuid4(),
            updated_ns=0,
            timestamp_ns=0,
        )

        self.exec_engine.process(state)

        order = self.order_factory.market(
            ETHUSD_BITMEX.id,
            OrderSide.BUY,
            Quantity.from_int(100),
        )

        self.exec_engine.cache.add_order(order, PositionId.null())
        self.exec_engine.process(TestStubs.event_order_submitted(order))
        self.exec_engine.process(TestStubs.event_order_accepted(order))

        fill = TestStubs.event_order_filled(
            order=order,
            instrument=ETHUSD_BITMEX,
            position_id=PositionId("P-123456"),
            strategy_id=StrategyId("S-001"),
            last_px=Price.from_str("376.05"),
        )

        self.exec_engine.process(fill)

        position = Position(instrument=ETHUSD_BITMEX, fill=fill)

        self.portfolio.update_position(
            TestStubs.event_position_opened(position))

        # Act
        result = self.portfolio.unrealized_pnls(BITMEX)

        # # Assert
        self.assertEqual({}, result)

    def test_market_value_when_insufficient_data_for_xrate_returns_none(self):
        # Arrange
        state = AccountState(
            account_id=AccountId("BITMEX", "01234"),
            account_type=AccountType.MARGIN,
            base_currency=BTC,
            reported=True,
            balances=[
                AccountBalance(
                    BTC,
                    Money(10.00000000, BTC),
                    Money(0.00000000, BTC),
                    Money(10.00000000, BTC),
                ),
            ],
            info={},
            event_id=uuid4(),
            updated_ns=0,
            timestamp_ns=0,
        )

        self.exec_engine.process(state)

        order = self.order_factory.market(
            ETHUSD_BITMEX.id,
            OrderSide.BUY,
            Quantity.from_int(100),
        )

        fill = TestStubs.event_order_filled(
            order=order,
            instrument=ETHUSD_BITMEX,
            position_id=PositionId("P-123456"),
            strategy_id=StrategyId("S-001"),
            last_px=Price.from_str("376.05"),
        )

        last_ethusd = QuoteTick(
            ETHUSD_BITMEX.id,
            Price.from_str("376.05"),
            Price.from_str("377.10"),
            Quantity.from_str("16"),
            Quantity.from_str("25"),
            0,
            0,
        )

        last_xbtusd = QuoteTick(
            BTCUSD_BITMEX.id,
            Price.from_str("50000.00"),
            Price.from_str("50000.00"),
            Quantity.from_str("1"),
            Quantity.from_str("1"),
            0,
            0,
        )

        position = Position(instrument=ETHUSD_BITMEX, fill=fill)

        self.portfolio.update_position(
            TestStubs.event_position_opened(position))
        self.cache.add_position(position)
        self.cache.add_quote_tick(last_ethusd)
        self.cache.add_quote_tick(last_xbtusd)
        self.portfolio.update_tick(last_ethusd)
        self.portfolio.update_tick(last_xbtusd)

        # Act
        result = self.portfolio.net_exposures(BITMEX)

        # Assert
        self.assertEqual({BTC: Money(0.00200000, BTC)}, result)

    def test_opening_several_positions_updates_portfolio(self):
        # Arrange
        state = AccountState(
            account_id=AccountId("SIM", "01234"),
            account_type=AccountType.MARGIN,
            base_currency=USD,
            reported=True,
            balances=[
                AccountBalance(
                    USD,
                    Money(1_000_000, USD),
                    Money(0, USD),
                    Money(1_000_000, USD),
                ),
            ],
            info={},
            event_id=uuid4(),
            updated_ns=0,
            timestamp_ns=0,
        )

        self.exec_engine.process(state)

        last_audusd = QuoteTick(
            AUDUSD_SIM.id,
            Price.from_str("0.80501"),
            Price.from_str("0.80505"),
            Quantity.from_int(1),
            Quantity.from_int(1),
            0,
            0,
        )

        last_gbpusd = QuoteTick(
            GBPUSD_SIM.id,
            Price.from_str("1.30315"),
            Price.from_str("1.30317"),
            Quantity.from_int(1),
            Quantity.from_int(1),
            0,
            0,
        )

        self.cache.add_quote_tick(last_audusd)
        self.cache.add_quote_tick(last_gbpusd)
        self.portfolio.update_tick(last_audusd)
        self.portfolio.update_tick(last_gbpusd)

        order1 = self.order_factory.market(
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
        )

        order2 = self.order_factory.market(
            GBPUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
        )

        self.exec_engine.cache.add_order(order1, PositionId.null())
        self.exec_engine.cache.add_order(order2, PositionId.null())

        fill1 = TestStubs.event_order_filled(
            order1,
            instrument=AUDUSD_SIM,
            position_id=PositionId("P-1"),
            strategy_id=StrategyId("S-1"),
            last_px=Price.from_str("1.00000"),
        )

        fill2 = TestStubs.event_order_filled(
            order2,
            instrument=GBPUSD_SIM,
            position_id=PositionId("P-2"),
            strategy_id=StrategyId("S-1"),
            last_px=Price.from_str("1.00000"),
        )

        self.exec_engine.cache.update_order(order1)
        self.exec_engine.cache.update_order(order2)

        position1 = Position(instrument=AUDUSD_SIM, fill=fill1)
        position2 = Position(instrument=GBPUSD_SIM, fill=fill2)
        position_opened1 = TestStubs.event_position_opened(position1)
        position_opened2 = TestStubs.event_position_opened(position2)

        # Act
        self.cache.add_position(position1)
        self.cache.add_position(position2)
        self.portfolio.update_position(position_opened1)
        self.portfolio.update_position(position_opened2)

        # Assert
        self.assertEqual(
            {USD: Money(210816.00, USD)},
            self.portfolio.net_exposures(SIM),
        )
        self.assertEqual(
            {USD: Money(10816.00, USD)},
            self.portfolio.unrealized_pnls(SIM),
        )
        self.assertEqual({USD: Money(3912.06, USD)},
                         self.portfolio.maint_margins(SIM)),
        self.assertEqual(
            Money(80501.00, USD),
            self.portfolio.net_exposure(AUDUSD_SIM.id),
        )
        self.assertEqual(
            Money(130315.00, USD),
            self.portfolio.net_exposure(GBPUSD_SIM.id),
        )
        self.assertEqual(
            Money(-19499.00, USD),
            self.portfolio.unrealized_pnl(AUDUSD_SIM.id),
        )
        self.assertEqual(
            Money(30315.00, USD),
            self.portfolio.unrealized_pnl(GBPUSD_SIM.id),
        )
        self.assertEqual(Decimal(100000),
                         self.portfolio.net_position(AUDUSD_SIM.id))
        self.assertEqual(Decimal(100000),
                         self.portfolio.net_position(GBPUSD_SIM.id))
        self.assertTrue(self.portfolio.is_net_long(AUDUSD_SIM.id))
        self.assertFalse(self.portfolio.is_net_short(AUDUSD_SIM.id))
        self.assertFalse(self.portfolio.is_flat(AUDUSD_SIM.id))
        self.assertFalse(self.portfolio.is_completely_flat())

    def test_modifying_position_updates_portfolio(self):
        # Arrange
        state = AccountState(
            account_id=AccountId("SIM", "01234"),
            account_type=AccountType.MARGIN,
            base_currency=USD,
            reported=True,
            balances=[
                AccountBalance(
                    USD,
                    Money(1_000_000, USD),
                    Money(0, USD),
                    Money(1_000_000, USD),
                ),
            ],
            info={},
            event_id=uuid4(),
            updated_ns=0,
            timestamp_ns=0,
        )

        self.exec_engine.process(state)

        last_audusd = QuoteTick(
            AUDUSD_SIM.id,
            Price.from_str("0.80501"),
            Price.from_str("0.80505"),
            Quantity.from_int(1),
            Quantity.from_int(1),
            0,
            0,
        )

        self.cache.add_quote_tick(last_audusd)
        self.portfolio.update_tick(last_audusd)

        order1 = self.order_factory.market(
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
        )

        fill1 = TestStubs.event_order_filled(
            order1,
            instrument=AUDUSD_SIM,
            position_id=PositionId("P-123456"),
            strategy_id=StrategyId("S-1"),
            last_px=Price.from_str("1.00000"),
        )

        position = Position(instrument=AUDUSD_SIM, fill=fill1)
        self.exec_engine.cache.add_position(position)
        self.portfolio.update_position(
            TestStubs.event_position_opened(position))

        order2 = self.order_factory.market(
            AUDUSD_SIM.id,
            OrderSide.SELL,
            Quantity.from_int(50000),
        )

        order2_filled = TestStubs.event_order_filled(
            order2,
            instrument=AUDUSD_SIM,
            position_id=PositionId("P-123456"),
            strategy_id=StrategyId("S-1"),
            last_px=Price.from_str("1.00000"),
        )

        position.apply(order2_filled)

        # Act
        self.portfolio.update_position(
            TestStubs.event_position_changed(position))

        # Assert
        self.assertEqual(
            {USD: Money(40250.50, USD)},
            self.portfolio.net_exposures(SIM),
        )
        self.assertEqual(
            {USD: Money(-9749.50, USD)},
            self.portfolio.unrealized_pnls(SIM),
        )
        self.assertEqual(
            {USD: Money(1208.32, USD)},
            self.portfolio.maint_margins(SIM),
        )
        self.assertEqual(
            Money(40250.50, USD),
            self.portfolio.net_exposure(AUDUSD_SIM.id),
        )
        self.assertEqual(
            Money(-9749.50, USD),
            self.portfolio.unrealized_pnl(AUDUSD_SIM.id),
        )
        self.assertEqual(Decimal(50000),
                         self.portfolio.net_position(AUDUSD_SIM.id))
        self.assertTrue(self.portfolio.is_net_long(AUDUSD_SIM.id))
        self.assertFalse(self.portfolio.is_net_short(AUDUSD_SIM.id))
        self.assertFalse(self.portfolio.is_flat(AUDUSD_SIM.id))
        self.assertFalse(self.portfolio.is_completely_flat())
        self.assertEqual({}, self.portfolio.unrealized_pnls(BINANCE))
        self.assertIsNone(self.portfolio.net_exposures(BINANCE))

    def test_closing_position_updates_portfolio(self):
        # Arrange
        state = AccountState(
            account_id=AccountId("SIM", "01234"),
            account_type=AccountType.MARGIN,
            base_currency=USD,
            reported=True,
            balances=[
                AccountBalance(
                    USD,
                    Money(1_000_000, USD),
                    Money(0, USD),
                    Money(1_000_000, USD),
                ),
            ],
            info={},
            event_id=uuid4(),
            updated_ns=0,
            timestamp_ns=0,
        )

        self.exec_engine.process(state)

        order1 = self.order_factory.market(
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
        )

        fill1 = TestStubs.event_order_filled(
            order1,
            instrument=AUDUSD_SIM,
            position_id=PositionId("P-123456"),
            strategy_id=StrategyId("S-1"),
            last_px=Price.from_str("1.00000"),
        )

        position = Position(instrument=AUDUSD_SIM, fill=fill1)
        self.exec_engine.cache.add_position(position)
        self.portfolio.update_position(
            TestStubs.event_position_opened(position))

        order2 = self.order_factory.market(
            AUDUSD_SIM.id,
            OrderSide.SELL,
            Quantity.from_int(100000),
        )

        order2_filled = TestStubs.event_order_filled(
            order2,
            instrument=AUDUSD_SIM,
            position_id=PositionId("P-123456"),
            strategy_id=StrategyId("S-1"),
            last_px=Price.from_str("1.00010"),
        )

        position.apply(order2_filled)
        self.exec_engine.cache.update_position(position)

        # Act
        self.portfolio.update_position(
            TestStubs.event_position_closed(position))

        # Assert
        self.assertEqual({}, self.portfolio.net_exposures(SIM))
        self.assertEqual({}, self.portfolio.unrealized_pnls(SIM))
        self.assertEqual({}, self.portfolio.maint_margins(SIM))
        self.assertEqual(Money(0, USD),
                         self.portfolio.net_exposure(AUDUSD_SIM.id))
        self.assertEqual(Money(0, USD),
                         self.portfolio.unrealized_pnl(AUDUSD_SIM.id))
        self.assertEqual(Decimal(0),
                         self.portfolio.net_position(AUDUSD_SIM.id))
        self.assertFalse(self.portfolio.is_net_long(AUDUSD_SIM.id))
        self.assertFalse(self.portfolio.is_net_short(AUDUSD_SIM.id))
        self.assertTrue(self.portfolio.is_flat(AUDUSD_SIM.id))
        self.assertTrue(self.portfolio.is_completely_flat())

    def test_several_positions_with_different_instruments_updates_portfolio(
            self):
        # Arrange
        state = AccountState(
            account_id=AccountId("SIM", "01234"),
            account_type=AccountType.MARGIN,
            base_currency=USD,
            reported=True,
            balances=[
                AccountBalance(
                    USD,
                    Money(1_000_000, USD),
                    Money(0, USD),
                    Money(1_000_000, USD),
                ),
            ],
            info={},
            event_id=uuid4(),
            updated_ns=0,
            timestamp_ns=0,
        )

        self.exec_engine.process(state)

        order1 = self.order_factory.market(
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
        )

        order2 = self.order_factory.market(
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
        )

        order3 = self.order_factory.market(
            GBPUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
        )

        order4 = self.order_factory.market(
            GBPUSD_SIM.id,
            OrderSide.SELL,
            Quantity.from_int(100000),
        )

        fill1 = TestStubs.event_order_filled(
            order1,
            instrument=AUDUSD_SIM,
            position_id=PositionId("P-1"),
            strategy_id=StrategyId("S-1"),
            last_px=Price.from_str("1.00000"),
        )

        fill2 = TestStubs.event_order_filled(
            order2,
            instrument=AUDUSD_SIM,
            position_id=PositionId("P-2"),
            strategy_id=StrategyId("S-1"),
            last_px=Price.from_str("1.00000"),
        )

        fill3 = TestStubs.event_order_filled(
            order3,
            instrument=GBPUSD_SIM,
            position_id=PositionId("P-3"),
            strategy_id=StrategyId("S-1"),
            last_px=Price.from_str("1.00000"),
        )

        fill4 = TestStubs.event_order_filled(
            order4,
            instrument=GBPUSD_SIM,
            position_id=PositionId("P-3"),
            strategy_id=StrategyId("S-1"),
            last_px=Price.from_str("1.00100"),
        )

        position1 = Position(instrument=AUDUSD_SIM, fill=fill1)
        position2 = Position(instrument=AUDUSD_SIM, fill=fill2)
        position3 = Position(instrument=GBPUSD_SIM, fill=fill3)

        last_audusd = QuoteTick(
            AUDUSD_SIM.id,
            Price.from_str("0.80501"),
            Price.from_str("0.80505"),
            Quantity.from_int(1),
            Quantity.from_int(1),
            0,
            0,
        )

        last_gbpusd = QuoteTick(
            GBPUSD_SIM.id,
            Price.from_str("1.30315"),
            Price.from_str("1.30317"),
            Quantity.from_int(1),
            Quantity.from_int(1),
            0,
            0,
        )

        self.cache.add_quote_tick(last_audusd)
        self.cache.add_quote_tick(last_gbpusd)
        self.portfolio.update_tick(last_audusd)
        self.portfolio.update_tick(last_gbpusd)

        self.cache.add_position(position1)
        self.cache.add_position(position2)
        self.cache.add_position(position3)

        # Act
        self.portfolio.update_position(
            TestStubs.event_position_opened(position1))
        self.portfolio.update_position(
            TestStubs.event_position_opened(position2))
        self.portfolio.update_position(
            TestStubs.event_position_opened(position3))

        position3.apply(fill4)
        self.cache.update_position(position3)
        self.portfolio.update_position(
            TestStubs.event_position_closed(position3))

        # Assert
        self.assertEqual(
            {USD: Money(-38998.00, USD)},
            self.portfolio.unrealized_pnls(SIM),
        )
        self.assertEqual(
            {USD: Money(161002.00, USD)},
            self.portfolio.net_exposures(SIM),
        )
        self.assertEqual({USD: Money(3912.06, USD)},
                         self.portfolio.maint_margins(SIM)),
        self.assertEqual(
            Money(161002.00, USD),
            self.portfolio.net_exposure(AUDUSD_SIM.id),
        )
        self.assertEqual(
            Money(-38998.00, USD),
            self.portfolio.unrealized_pnl(AUDUSD_SIM.id),
        )
        self.assertEqual(Money(0, USD),
                         self.portfolio.unrealized_pnl(GBPUSD_SIM.id))
        self.assertEqual(Decimal(200000),
                         self.portfolio.net_position(AUDUSD_SIM.id))
        self.assertEqual(Decimal(0),
                         self.portfolio.net_position(GBPUSD_SIM.id))
        self.assertTrue(self.portfolio.is_net_long(AUDUSD_SIM.id))
        self.assertTrue(self.portfolio.is_flat(GBPUSD_SIM.id))
        self.assertFalse(self.portfolio.is_completely_flat())
class TestTradingStrategy:
    def setup(self):
        # Fixture Setup
        self.clock = TestClock()
        self.uuid_factory = UUIDFactory()
        self.logger = Logger(
            clock=self.clock,
            level_stdout=LogLevel.DEBUG,
        )

        self.trader_id = TestStubs.trader_id()
        self.account_id = TestStubs.account_id()

        self.msgbus = MessageBus(
            trader_id=self.trader_id,
            clock=self.clock,
            logger=self.logger,
        )

        self.cache = TestStubs.cache()

        self.portfolio = Portfolio(
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        self.data_engine = DataEngine(
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        self.exec_engine = ExecutionEngine(
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        self.risk_engine = RiskEngine(
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        self.exchange = SimulatedExchange(
            venue=Venue("SIM"),
            venue_type=VenueType.ECN,
            oms_type=OMSType.HEDGING,
            account_type=AccountType.MARGIN,
            base_currency=USD,
            starting_balances=[Money(1_000_000, USD)],
            default_leverage=Decimal(50),
            leverages={},
            is_frozen_account=False,
            cache=self.cache,
            instruments=[USDJPY_SIM],
            modules=[],
            fill_model=FillModel(),
            clock=self.clock,
            logger=self.logger,
            latency_model=LatencyModel(0),
        )

        self.data_client = BacktestMarketDataClient(
            client_id=ClientId("SIM"),
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        self.exec_client = BacktestExecClient(
            exchange=self.exchange,
            account_id=self.account_id,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        # Wire up components
        self.exchange.register_client(self.exec_client)
        self.data_engine.register_client(self.data_client)
        self.exec_engine.register_client(self.exec_client)
        self.exchange.reset()

        # Add instruments
        self.data_engine.process(AUDUSD_SIM)
        self.data_engine.process(GBPUSD_SIM)
        self.data_engine.process(USDJPY_SIM)
        self.cache.add_instrument(AUDUSD_SIM)
        self.cache.add_instrument(GBPUSD_SIM)
        self.cache.add_instrument(USDJPY_SIM)

        self.exchange.process_tick(TestStubs.quote_tick_3decimal(
            USDJPY_SIM.id))  # Prepare market

        self.data_engine.start()
        self.exec_engine.start()

    def test_strategy_equality(self):
        # Arrange
        strategy1 = TradingStrategy(config=TradingStrategyConfig(
            order_id_tag="AUD/USD-001"))
        strategy2 = TradingStrategy(config=TradingStrategyConfig(
            order_id_tag="AUD/USD-001"))
        strategy3 = TradingStrategy(config=TradingStrategyConfig(
            order_id_tag="AUD/USD-002"))

        # Act, Assert
        assert strategy1 == strategy1
        assert strategy1 == strategy2
        assert strategy2 != strategy3

    def test_str_and_repr(self):
        # Arrange
        strategy = TradingStrategy(config=TradingStrategyConfig(
            order_id_tag="GBP/USD-MM"))

        # Act, Assert
        assert str(strategy) == "TradingStrategy-GBP/USD-MM"
        assert repr(strategy) == "TradingStrategy(TradingStrategy-GBP/USD-MM)"

    def test_id(self):
        # Arrange
        strategy = TradingStrategy()

        # Act, Assert
        assert strategy.id == StrategyId("TradingStrategy-000")

    def test_initialization(self):
        # Arrange
        strategy = TradingStrategy(config=TradingStrategyConfig(
            order_id_tag="001"))

        # Act, Assert
        assert strategy.state == ComponentState.PRE_INITIALIZED
        assert not strategy.indicators_initialized()

    def test_on_save_when_not_overridden_does_nothing(self):
        # Arrange
        strategy = TradingStrategy()

        # Act
        strategy.on_save()

        # Assert
        assert True  # Exception not raised

    def test_on_load_when_not_overridden_does_nothing(self):
        # Arrange
        strategy = TradingStrategy()

        # Act
        strategy.on_load({})

        # Assert
        assert True  # Exception not raised

    def test_save_when_not_registered_logs_error(self):
        # Arrange
        config = TradingStrategyConfig()

        strategy = TradingStrategy(config)
        strategy.save()

        # Assert
        assert True  # Exception not raised

    def test_save_when_user_code_raises_error_logs_and_reraises(self):
        # Arrange
        strategy = KaboomStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        # Act, Assert
        with pytest.raises(RuntimeError):
            strategy.save()

    def test_load_when_user_code_raises_error_logs_and_reraises(self):
        # Arrange
        strategy = KaboomStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        # Act, Assert
        with pytest.raises(RuntimeError):
            strategy.load({"something": b"123456"})

    def test_load(self):
        # Arrange
        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        state = {}

        # Act
        strategy.load(state)

        # Assert
        # TODO: Write a users custom save method
        assert True

    def test_reset(self):
        # Arrange
        bar_type = TestStubs.bartype_audusd_1min_bid()
        strategy = MockStrategy(bar_type)
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        bar = Bar(
            bar_type,
            Price.from_str("1.00001"),
            Price.from_str("1.00004"),
            Price.from_str("1.00002"),
            Price.from_str("1.00003"),
            Quantity.from_int(100000),
            0,
            0,
        )

        strategy.handle_bar(bar)

        # Act
        strategy.reset()

        # Assert
        assert "on_reset" in strategy.calls
        assert strategy.is_initialized
        assert strategy.ema1.count == 0
        assert strategy.ema2.count == 0

    def test_dispose(self):
        # Arrange
        bar_type = TestStubs.bartype_audusd_1min_bid()
        strategy = MockStrategy(bar_type)
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        strategy.reset()

        # Act
        strategy.dispose()

        # Assert
        assert "on_dispose" in strategy.calls
        assert strategy.is_disposed

    def test_save_load(self):
        # Arrange
        bar_type = TestStubs.bartype_audusd_1min_bid()
        strategy = MockStrategy(bar_type)
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        # Act
        state = strategy.save()
        strategy.load(state)

        # Assert
        assert state == {"UserState": b"1"}
        assert "on_save" in strategy.calls
        assert strategy.is_initialized

    def test_register_indicator_for_quote_ticks_when_already_registered(self):
        # Arrange
        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        ema1 = ExponentialMovingAverage(10, price_type=PriceType.MID)
        ema2 = ExponentialMovingAverage(10, price_type=PriceType.MID)

        # Act
        strategy.register_indicator_for_quote_ticks(AUDUSD_SIM.id, ema1)
        strategy.register_indicator_for_quote_ticks(AUDUSD_SIM.id, ema2)
        strategy.register_indicator_for_quote_ticks(AUDUSD_SIM.id, ema2)

        assert len(strategy.registered_indicators) == 2
        assert ema1 in strategy.registered_indicators
        assert ema2 in strategy.registered_indicators

    def test_register_indicator_for_trade_ticks_when_already_registered(self):
        # Arrange
        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        ema1 = ExponentialMovingAverage(10)
        ema2 = ExponentialMovingAverage(10)

        # Act
        strategy.register_indicator_for_trade_ticks(AUDUSD_SIM.id, ema1)
        strategy.register_indicator_for_trade_ticks(AUDUSD_SIM.id, ema2)
        strategy.register_indicator_for_trade_ticks(AUDUSD_SIM.id, ema2)

        assert len(strategy.registered_indicators) == 2
        assert ema1 in strategy.registered_indicators
        assert ema2 in strategy.registered_indicators

    def test_register_indicator_for_bars_when_already_registered(self):
        # Arrange
        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        ema1 = ExponentialMovingAverage(10)
        ema2 = ExponentialMovingAverage(10)
        bar_type = TestStubs.bartype_audusd_1min_bid()

        # Act
        strategy.register_indicator_for_bars(bar_type, ema1)
        strategy.register_indicator_for_bars(bar_type, ema2)
        strategy.register_indicator_for_bars(bar_type, ema2)

        assert len(strategy.registered_indicators) == 2
        assert ema1 in strategy.registered_indicators
        assert ema2 in strategy.registered_indicators

    def test_register_indicator_for_multiple_data_sources(self):
        # Arrange
        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        ema = ExponentialMovingAverage(10)
        bar_type = TestStubs.bartype_audusd_1min_bid()

        # Act
        strategy.register_indicator_for_quote_ticks(AUDUSD_SIM.id, ema)
        strategy.register_indicator_for_quote_ticks(GBPUSD_SIM.id, ema)
        strategy.register_indicator_for_trade_ticks(AUDUSD_SIM.id, ema)
        strategy.register_indicator_for_bars(bar_type, ema)

        assert len(strategy.registered_indicators) == 1
        assert ema in strategy.registered_indicators

    def test_handle_quote_tick_updates_indicator_registered_for_quote_ticks(
            self):
        # Arrange
        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        ema = ExponentialMovingAverage(10, price_type=PriceType.MID)
        strategy.register_indicator_for_quote_ticks(AUDUSD_SIM.id, ema)

        tick = TestStubs.quote_tick_5decimal(AUDUSD_SIM.id)

        # Act
        strategy.handle_quote_tick(tick)
        strategy.handle_quote_tick(tick, True)

        # Assert
        assert ema.count == 2

    def test_handle_quote_ticks_with_no_ticks_logs_and_continues(self):
        # Arrange
        strategy = KaboomStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        ema = ExponentialMovingAverage(10, price_type=PriceType.MID)
        strategy.register_indicator_for_quote_ticks(AUDUSD_SIM.id, ema)

        # Act
        strategy.handle_quote_ticks([])

        # Assert
        assert ema.count == 0

    def test_handle_quote_ticks_updates_indicator_registered_for_quote_ticks(
            self):
        # Arrange
        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        ema = ExponentialMovingAverage(10, price_type=PriceType.MID)
        strategy.register_indicator_for_quote_ticks(AUDUSD_SIM.id, ema)

        tick = TestStubs.quote_tick_5decimal(AUDUSD_SIM.id)

        # Act
        strategy.handle_quote_ticks([tick])

        # Assert
        assert ema.count == 1

    def test_handle_trade_tick_updates_indicator_registered_for_trade_ticks(
            self):
        # Arrange
        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        ema = ExponentialMovingAverage(10)
        strategy.register_indicator_for_trade_ticks(AUDUSD_SIM.id, ema)

        tick = TestStubs.trade_tick_5decimal(AUDUSD_SIM.id)

        # Act
        strategy.handle_trade_tick(tick)
        strategy.handle_trade_tick(tick, True)

        # Assert
        assert ema.count == 2

    def test_handle_trade_ticks_updates_indicator_registered_for_trade_ticks(
            self):
        # Arrange
        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        ema = ExponentialMovingAverage(10)
        strategy.register_indicator_for_trade_ticks(AUDUSD_SIM.id, ema)

        tick = TestStubs.trade_tick_5decimal(AUDUSD_SIM.id)

        # Act
        strategy.handle_trade_ticks([tick])

        # Assert
        assert ema.count == 1

    def test_handle_trade_ticks_with_no_ticks_logs_and_continues(self):
        # Arrange
        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        ema = ExponentialMovingAverage(10)
        strategy.register_indicator_for_trade_ticks(AUDUSD_SIM.id, ema)

        # Act
        strategy.handle_trade_ticks([])

        # Assert
        assert ema.count == 0

    def test_handle_bar_updates_indicator_registered_for_bars(self):
        # Arrange
        bar_type = TestStubs.bartype_audusd_1min_bid()
        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        ema = ExponentialMovingAverage(10)
        strategy.register_indicator_for_bars(bar_type, ema)
        bar = TestStubs.bar_5decimal()

        # Act
        strategy.handle_bar(bar)
        strategy.handle_bar(bar, True)

        # Assert
        assert ema.count == 2

    def test_handle_bars_updates_indicator_registered_for_bars(self):
        # Arrange
        bar_type = TestStubs.bartype_audusd_1min_bid()
        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        ema = ExponentialMovingAverage(10)
        strategy.register_indicator_for_bars(bar_type, ema)
        bar = TestStubs.bar_5decimal()

        # Act
        strategy.handle_bars([bar])

        # Assert
        assert ema.count == 1

    def test_handle_bars_with_no_bars_logs_and_continues(self):
        # Arrange
        bar_type = TestStubs.bartype_gbpusd_1sec_mid()
        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        ema = ExponentialMovingAverage(10)
        strategy.register_indicator_for_bars(bar_type, ema)

        # Act
        strategy.handle_bars([])

        # Assert
        assert ema.count == 0

    def test_stop_cancels_a_running_time_alert(self):
        # Arrange
        bar_type = TestStubs.bartype_audusd_1min_bid()
        strategy = MockStrategy(bar_type)
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        alert_time = datetime.now(pytz.utc) + timedelta(milliseconds=200)
        strategy.clock.set_time_alert("test_alert1", alert_time)

        # Act
        strategy.start()
        strategy.stop()

        # Assert
        assert len(strategy.clock.timer_names()) == 0

    def test_stop_cancels_a_running_timer(self):
        # Arrange
        bar_type = TestStubs.bartype_audusd_1min_bid()
        strategy = MockStrategy(bar_type)
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        start_time = datetime.now(pytz.utc) + timedelta(milliseconds=100)
        strategy.clock.set_timer("test_timer",
                                 timedelta(milliseconds=100),
                                 start_time,
                                 stop_time=None)

        # Act
        strategy.start()
        strategy.stop()

        # Assert
        assert len(strategy.clock.timer_names()) == 0

    def test_submit_order_with_valid_order_successfully_submits(self):
        # Arrange
        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        order = strategy.order_factory.market(
            USDJPY_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
        )

        # Act
        strategy.submit_order(order)
        self.exchange.process(0)

        # Assert
        assert order in strategy.cache.orders()
        assert strategy.cache.orders()[0].status == OrderStatus.FILLED
        assert order.client_order_id not in strategy.cache.orders_working()
        assert not strategy.cache.is_order_working(order.client_order_id)
        assert strategy.cache.is_order_completed(order.client_order_id)

    def test_submit_order_list_with_valid_order_successfully_submits(self):
        # Arrange
        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        bracket = strategy.order_factory.bracket_market(
            USDJPY_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
            stop_loss=Price.from_str("90.000"),
            take_profit=Price.from_str("90.500"),
        )

        # Act
        strategy.submit_order_list(bracket)

        # Assert
        assert bracket.orders[0] in strategy.cache.orders()
        assert bracket.orders[1] in strategy.cache.orders()
        assert bracket.orders[2] in strategy.cache.orders()
        # TODO: Implement
        # assert bracket.orders[0].status == OrderStatus.ACCEPTED
        # assert entry in strategy.cache.orders_working()
        # assert strategy.cache.is_order_working(entry.client_order_id)
        # assert not strategy.cache.is_order_completed(entry.client_order_id)

    def test_cancel_order(self):
        # Arrange
        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        order = strategy.order_factory.stop_market(
            USDJPY_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
            Price.from_str("90.006"),
        )

        strategy.submit_order(order)
        self.exchange.process(0)

        # Act
        strategy.cancel_order(order)
        self.exchange.process(0)

        # Assert
        assert order in strategy.cache.orders()
        assert strategy.cache.orders()[0].status == OrderStatus.CANCELED
        assert order.client_order_id == strategy.cache.orders_completed(
        )[0].client_order_id
        assert order not in strategy.cache.orders_working()
        assert strategy.cache.order_exists(order.client_order_id)
        assert not strategy.cache.is_order_working(order.client_order_id)
        assert strategy.cache.is_order_completed(order.client_order_id)

    def test_cancel_order_when_pending_cancel_does_not_submit_command(self):
        # Arrange
        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        order = strategy.order_factory.stop_market(
            USDJPY_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
            Price.from_str("90.006"),
        )

        strategy.submit_order(order)
        self.exchange.process(0)
        self.exec_engine.process(TestStubs.event_order_pending_cancel(order))

        # Act
        strategy.cancel_order(order)
        self.exchange.process(0)

        # Assert
        assert strategy.cache.orders()[0].status == OrderStatus.PENDING_CANCEL
        assert order in strategy.cache.orders_working()
        assert strategy.cache.order_exists(order.client_order_id)
        assert strategy.cache.is_order_working(order.client_order_id)
        assert not strategy.cache.is_order_completed(order.client_order_id)

    def test_cancel_order_when_completed_does_not_submit_command(self):
        # Arrange
        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        order = strategy.order_factory.stop_market(
            USDJPY_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
            Price.from_str("90.006"),
        )

        strategy.submit_order(order)
        self.exchange.process(0)
        self.exec_engine.process(TestStubs.event_order_expired(order))

        # Act
        strategy.cancel_order(order)
        self.exchange.process(0)

        # Assert
        assert strategy.cache.orders()[0].status == OrderStatus.EXPIRED
        assert order not in strategy.cache.orders_working()
        assert strategy.cache.order_exists(order.client_order_id)
        assert not strategy.cache.is_order_working(order.client_order_id)
        assert strategy.cache.is_order_completed(order.client_order_id)

    def test_modify_order_when_pending_update_does_not_submit_command(self):
        # Arrange
        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        order = strategy.order_factory.limit(
            USDJPY_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
            Price.from_str("90.001"),
        )

        strategy.submit_order(order)
        self.exchange.process(0)
        self.exec_engine.process(TestStubs.event_order_pending_update(order))

        # Act
        strategy.modify_order(
            order=order,
            quantity=Quantity.from_int(100000),
            price=Price.from_str("90.000"),
        )
        self.exchange.process(0)

        # Assert
        assert self.exec_engine.command_count == 1

    def test_modify_order_when_pending_cancel_does_not_submit_command(self):
        # Arrange
        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        order = strategy.order_factory.limit(
            USDJPY_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
            Price.from_str("90.001"),
        )

        strategy.submit_order(order)
        self.exchange.process(0)
        self.exec_engine.process(TestStubs.event_order_pending_cancel(order))

        # Act
        strategy.modify_order(
            order=order,
            quantity=Quantity.from_int(100000),
            price=Price.from_str("90.000"),
        )
        self.exchange.process(0)

        # Assert
        assert self.exec_engine.command_count == 1

    def test_modify_order_when_completed_does_not_submit_command(self):
        # Arrange
        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        order = strategy.order_factory.limit(
            USDJPY_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
            Price.from_str("90.001"),
        )

        strategy.submit_order(order)
        self.exchange.process(0)
        self.exec_engine.process(TestStubs.event_order_expired(order))

        # Act
        strategy.modify_order(
            order=order,
            quantity=Quantity.from_int(100000),
            price=Price.from_str("90.000"),
        )
        self.exchange.process(0)

        # Assert
        assert self.exec_engine.command_count == 1

    def test_modify_order_when_no_changes_does_not_submit_command(self):
        # Arrange
        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        order = strategy.order_factory.limit(
            USDJPY_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
            Price.from_str("90.001"),
        )

        strategy.submit_order(order)

        # Act
        strategy.modify_order(
            order=order,
            quantity=Quantity.from_int(100000),
            price=Price.from_str("90.001"),
        )

        # Assert
        assert self.exec_engine.command_count == 1

    def test_modify_order(self):
        # Arrange
        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        order = strategy.order_factory.limit(
            USDJPY_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
            Price.from_str("90.000"),
        )

        strategy.submit_order(order)
        self.exchange.process(0)

        # Act
        strategy.modify_order(
            order=order,
            quantity=Quantity.from_int(110000),
            price=Price.from_str("90.001"),
        )
        self.exchange.process(0)

        # Assert
        assert strategy.cache.orders()[0] == order
        assert strategy.cache.orders()[0].status == OrderStatus.ACCEPTED
        assert strategy.cache.orders()[0].quantity == Quantity.from_int(110000)
        assert strategy.cache.orders()[0].price == Price.from_str("90.001")
        assert strategy.cache.order_exists(order.client_order_id)
        assert strategy.cache.is_order_working(order.client_order_id)
        assert not strategy.cache.is_order_completed(order.client_order_id)
        assert strategy.portfolio.is_flat(order.instrument_id)

    def test_cancel_all_orders(self):
        # Arrange
        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        order1 = strategy.order_factory.stop_market(
            USDJPY_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
            Price.from_str("90.007"),
        )

        order2 = strategy.order_factory.stop_market(
            USDJPY_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
            Price.from_str("90.006"),
        )

        strategy.submit_order(order1)
        self.exchange.process(0)
        strategy.submit_order(order2)
        self.exchange.process(0)

        # Act
        strategy.cancel_all_orders(USDJPY_SIM.id)
        self.exchange.process(0)

        # Assert
        assert order1 in self.cache.orders()
        assert order2 in self.cache.orders()
        assert self.cache.orders()[0].status == OrderStatus.CANCELED
        assert self.cache.orders()[1].status == OrderStatus.CANCELED
        assert order1 in self.cache.orders_completed()
        assert order2 in strategy.cache.orders_completed()

    def test_flatten_position_when_position_already_flat_does_nothing(self):
        # Arrange
        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        order1 = strategy.order_factory.market(
            USDJPY_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
        )

        order2 = strategy.order_factory.market(
            USDJPY_SIM.id,
            OrderSide.SELL,
            Quantity.from_int(100000),
        )

        strategy.submit_order(order1)
        self.exchange.process(0)
        strategy.submit_order(order2,
                              PositionId("1-001"))  # Generated by exchange
        self.exchange.process(0)

        position = strategy.cache.positions_closed()[0]

        # Act
        strategy.flatten_position(position)
        self.exchange.process(0)

        # Assert
        assert strategy.portfolio.is_completely_flat()

    def test_flatten_position(self):
        # Arrange
        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        order = strategy.order_factory.market(
            USDJPY_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
        )

        strategy.submit_order(order)
        self.exchange.process(0)

        position = self.cache.positions_open()[0]

        # Act
        strategy.flatten_position(position)
        self.exchange.process(0)

        # Assert
        assert order.status == OrderStatus.FILLED
        assert strategy.portfolio.is_completely_flat()

    def test_flatten_all_positions(self):
        # Arrange
        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        # Start strategy and submit orders to open positions
        strategy.start()

        order1 = strategy.order_factory.market(
            USDJPY_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
        )

        order2 = strategy.order_factory.market(
            USDJPY_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
        )

        strategy.submit_order(order1)
        self.exchange.process(0)
        strategy.submit_order(order2)
        self.exchange.process(0)

        # Act
        strategy.flatten_all_positions(USDJPY_SIM.id)
        self.exchange.process(0)

        # Assert
        assert order1.status == OrderStatus.FILLED
        assert order2.status == OrderStatus.FILLED
        assert strategy.portfolio.is_completely_flat()
class TestRiskEngine:
    def setup(self):
        # Fixture Setup
        self.clock = TestClock()
        self.uuid_factory = UUIDFactory()
        self.logger = Logger(self.clock)

        self.trader_id = TraderId("TESTER-000")
        self.account_id = TestStubs.account_id()
        self.venue = Venue("SIM")

        self.portfolio = Portfolio(
            cache=TestStubs.cache(),
            clock=self.clock,
            logger=self.logger,
        )

        self.exec_engine = ExecutionEngine(
            portfolio=self.portfolio,
            cache=TestStubs.cache(),
            clock=self.clock,
            logger=self.logger,
        )

        self.risk_engine = RiskEngine(
            exec_engine=self.exec_engine,
            portfolio=self.portfolio,
            cache=TestStubs.cache(),
            clock=self.clock,
            logger=self.logger,
            config={},
        )

        self.exec_client = MockExecutionClient(
            client_id=ClientId(self.venue.value),
            venue_type=VenueType.ECN,
            account_id=self.account_id,
            account_type=AccountType.MARGIN,
            base_currency=USD,
            engine=self.exec_engine,
            clock=self.clock,
            logger=self.logger,
        )

        # Wire up components
        self.exec_engine.register_risk_engine(self.risk_engine)
        self.exec_engine.register_client(self.exec_client)

        # Prepare data
        self.exec_engine.cache.add_instrument(AUDUSD_SIM)

    def test_set_block_all_orders_changes_flag_value(self):
        # Arrange
        # Act
        self.risk_engine.set_block_all_orders()

        # Assert
        assert self.risk_engine.block_all_orders

    def test_given_random_command_logs_and_continues(self):
        # Arrange
        random = TradingCommand(
            self.trader_id,
            StrategyId("SCALPER-001"),
            AUDUSD_SIM.id,
            self.uuid_factory.generate(),
            self.clock.timestamp_ns(),
        )

        self.risk_engine.execute(random)

    def test_given_random_event_logs_and_continues(self):
        # Arrange
        random = Event(
            self.uuid_factory.generate(),
            self.clock.timestamp_ns(),
        )

        self.exec_engine.process(random)

    def test_submit_order_with_default_settings_sends_to_client(self):
        # Arrange
        self.exec_engine.start()

        strategy = TradingStrategy(order_id_tag="001")
        strategy.register_trader(
            TraderId("TESTER-000"),
            self.clock,
            self.logger,
        )

        self.exec_engine.register_strategy(strategy)

        order = strategy.order_factory.market(
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
        )

        submit_order = SubmitOrder(
            self.trader_id,
            strategy.id,
            PositionId.null(),
            order,
            self.uuid_factory.generate(),
            self.clock.timestamp_ns(),
        )

        # Act
        self.risk_engine.execute(submit_order)

        # Assert
        assert self.exec_client.calls == ["connect", "submit_order"]

    def test_submit_bracket_with_default_settings_sends_to_client(self):
        # Arrange
        self.exec_engine.start()

        strategy = TradingStrategy(order_id_tag="001")
        strategy.register_trader(
            TraderId("TESTER-000"),
            self.clock,
            self.logger,
        )

        self.exec_engine.register_strategy(strategy)

        entry = strategy.order_factory.market(
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
        )

        bracket = strategy.order_factory.bracket(
            entry_order=entry,
            stop_loss=Price.from_str("1.00000"),
            take_profit=Price.from_str("1.00010"),
        )

        submit_bracket = SubmitBracketOrder(
            self.trader_id,
            strategy.id,
            bracket,
            self.uuid_factory.generate(),
            self.clock.timestamp_ns(),
        )

        # Act
        self.risk_engine.execute(submit_bracket)

        # Assert
        assert self.exec_client.calls == ["connect", "submit_bracket_order"]

    def test_submit_order_when_block_all_orders_true_then_denies_order(self):
        # Arrange
        self.exec_engine.start()

        strategy = TradingStrategy(order_id_tag="001")
        strategy.register_trader(
            TraderId("TESTER-000"),
            self.clock,
            self.logger,
        )

        self.exec_engine.register_strategy(strategy)

        order = strategy.order_factory.market(
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
        )

        submit_order = SubmitOrder(
            self.trader_id,
            strategy.id,
            PositionId.null(),
            order,
            self.uuid_factory.generate(),
            self.clock.timestamp_ns(),
        )

        self.risk_engine.set_block_all_orders()

        # Act
        self.risk_engine.execute(submit_order)

        # Assert
        assert self.exec_client.calls == ["connect"]
        assert self.risk_engine.command_count == 1

    def test_update_order_with_default_settings_sends_to_client(self):
        # Arrange
        self.exec_engine.start()

        strategy = TradingStrategy(order_id_tag="001")
        strategy.register_trader(
            TraderId("TESTER-000"),
            self.clock,
            self.logger,
        )

        self.exec_engine.register_strategy(strategy)

        order = strategy.order_factory.market(
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
        )

        submit = SubmitOrder(
            self.trader_id,
            strategy.id,
            PositionId.null(),
            order,
            self.uuid_factory.generate(),
            self.clock.timestamp_ns(),
        )

        update = UpdateOrder(
            self.trader_id,
            strategy.id,
            order.instrument_id,
            order.client_order_id,
            order.venue_order_id,
            order.quantity,
            Price.from_str("1.00010"),
            self.uuid_factory.generate(),
            self.clock.timestamp_ns(),
        )

        self.risk_engine.execute(submit)

        # Act
        self.risk_engine.execute(update)

        # Assert
        assert self.exec_client.calls == [
            "connect", "submit_order", "update_order"
        ]
        assert self.risk_engine.command_count == 2
        assert self.exec_engine.command_count == 2

    def test_cancel_order_with_default_settings_sends_to_client(self):
        # Arrange
        self.exec_engine.start()

        strategy = TradingStrategy(order_id_tag="001")
        strategy.register_trader(
            TraderId("TESTER-000"),
            self.clock,
            self.logger,
        )

        self.exec_engine.register_strategy(strategy)

        order = strategy.order_factory.market(
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
        )

        submit = SubmitOrder(
            self.trader_id,
            strategy.id,
            PositionId.null(),
            order,
            self.uuid_factory.generate(),
            self.clock.timestamp_ns(),
        )

        cancel = CancelOrder(
            self.trader_id,
            strategy.id,
            order.instrument_id,
            order.client_order_id,
            order.venue_order_id,
            self.uuid_factory.generate(),
            self.clock.timestamp_ns(),
        )

        self.risk_engine.execute(submit)

        # Act
        self.risk_engine.execute(cancel)

        # Assert
        assert self.exec_client.calls == [
            "connect", "submit_order", "cancel_order"
        ]
        assert self.risk_engine.command_count == 2
        assert self.exec_engine.command_count == 2

    def test_submit_bracket_when_block_all_orders_true_then_denies_order(self):
        # Arrange
        self.exec_engine.start()

        strategy = TradingStrategy(order_id_tag="001")
        strategy.register_trader(
            TraderId("TESTER-000"),
            self.clock,
            self.logger,
        )

        self.exec_engine.register_strategy(strategy)

        entry = strategy.order_factory.market(
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
        )

        bracket = strategy.order_factory.bracket(
            entry_order=entry,
            stop_loss=Price.from_str("1.00000"),
            take_profit=Price.from_str("1.00010"),
        )

        submit_bracket = SubmitBracketOrder(
            self.trader_id,
            strategy.id,
            bracket,
            self.uuid_factory.generate(),
            self.clock.timestamp_ns(),
        )

        self.risk_engine.set_block_all_orders()

        # Act
        self.risk_engine.execute(submit_bracket)

        # Assert
        assert self.exec_client.calls == ["connect"]
        assert self.risk_engine.command_count == 1
        assert self.exec_engine.event_count == 3
Exemple #7
0
class TestPortfolio:
    def setup(self):
        # Fixture Setup
        self.clock = TestClock()
        self.logger = Logger(self.clock)

        self.trader_id = TestStubs.trader_id()

        self.order_factory = OrderFactory(
            trader_id=self.trader_id,
            strategy_id=StrategyId("S-001"),
            clock=TestClock(),
        )

        self.msgbus = MessageBus(
            trader_id=self.trader_id,
            clock=self.clock,
            logger=self.logger,
        )

        self.cache = TestStubs.cache()

        self.portfolio = Portfolio(
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        self.exec_engine = ExecutionEngine(
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        # Prepare components
        self.cache.add_instrument(AUDUSD_SIM)
        self.cache.add_instrument(GBPUSD_SIM)
        self.cache.add_instrument(BTCUSDT_BINANCE)
        self.cache.add_instrument(BTCUSD_BITMEX)
        self.cache.add_instrument(ETHUSD_BITMEX)
        self.cache.add_instrument(BETTING_INSTRUMENT)

    def test_account_when_no_account_returns_none(self):
        # Arrange, Act, Assert
        assert self.portfolio.account(SIM) is None

    def test_account_when_account_returns_the_account_facade(self):
        # Arrange
        state = AccountState(
            account_id=AccountId("BINANCE", "1513111"),
            account_type=AccountType.CASH,
            base_currency=None,
            reported=True,
            balances=[
                AccountBalance(
                    BTC,
                    Money(10.00000000, BTC),
                    Money(0.00000000, BTC),
                    Money(10.00000000, BTC),
                )
            ],
            info={},
            event_id=UUID4(),
            ts_event=0,
            ts_init=0,
        )

        self.portfolio.update_account(state)

        # Act
        result = self.portfolio.account(BINANCE)

        # Assert
        assert result.id.issuer == "BINANCE"

    def test_balances_locked_when_no_account_for_venue_returns_none(self):
        # Arrange, Act, Assert
        assert self.portfolio.balances_locked(SIM) is None

    def test_margins_init_when_no_account_for_venue_returns_none(self):
        # Arrange, Act, Assert
        assert self.portfolio.margins_init(SIM) is None

    def test_margins_maint_when_no_account_for_venue_returns_none(self):
        # Arrange, Act, Assert
        assert self.portfolio.margins_maint(SIM) is None

    def test_unrealized_pnl_for_instrument_when_no_instrument_returns_none(
            self):
        # Arrange, Act, Assert
        assert self.portfolio.unrealized_pnl(USDJPY_SIM.id) is None

    def test_unrealized_pnl_for_venue_when_no_account_returns_empty_dict(self):
        # Arrange, Act, Assert
        assert self.portfolio.unrealized_pnls(SIM) == {}

    def test_net_position_when_no_positions_returns_zero(self):
        # Arrange, Act, Assert
        assert self.portfolio.net_position(AUDUSD_SIM.id) == Decimal(0)

    def test_net_exposures_when_no_positions_returns_none(self):
        # Arrange, Act, Assert
        assert self.portfolio.net_exposures(SIM) is None

    def test_is_net_long_when_no_positions_returns_false(self):
        # Arrange, Act, Assert
        assert self.portfolio.is_net_long(AUDUSD_SIM.id) is False

    def test_is_net_short_when_no_positions_returns_false(self):
        # Arrange, Act, Assert
        assert self.portfolio.is_net_short(AUDUSD_SIM.id) is False

    def test_is_flat_when_no_positions_returns_true(self):
        # Arrange, Act, Assert
        assert self.portfolio.is_flat(AUDUSD_SIM.id) is True

    def test_is_completely_flat_when_no_positions_returns_true(self):
        # Arrange, Act, Assert
        assert self.portfolio.is_flat(AUDUSD_SIM.id) is True

    def test_open_value_when_no_account_returns_none(self):
        # Arrange, Act, Assert
        assert self.portfolio.net_exposures(SIM) is None

    def test_update_tick(self):
        # Arrange
        tick = TestStubs.quote_tick_5decimal(GBPUSD_SIM.id)

        # Act
        self.portfolio.update_tick(tick)

        # Assert
        assert self.portfolio.unrealized_pnl(GBPUSD_SIM.id) is None

    def test_update_orders_working_cash_account(self):
        # Arrange
        AccountFactory.register_calculated_account("BINANCE")

        account_id = AccountId("BINANCE", "000")
        state = AccountState(
            account_id=account_id,
            account_type=AccountType.CASH,
            base_currency=None,  # Multi-currency account
            reported=True,
            balances=[
                AccountBalance(
                    BTC,
                    Money(10.00000000, BTC),
                    Money(0.00000000, BTC),
                    Money(10.00000000, BTC),
                ),
                AccountBalance(
                    USDT,
                    Money(100000.00000000, USDT),
                    Money(0.00000000, USDT),
                    Money(100000.00000000, USDT),
                ),
            ],
            info={},
            event_id=UUID4(),
            ts_event=0,
            ts_init=0,
        )

        self.portfolio.update_account(state)

        # Create two working orders
        order = self.order_factory.limit(
            BTCUSDT_BINANCE.id,
            OrderSide.BUY,
            Quantity.from_str("1.0"),
            Price.from_str("50000.00"),
        )

        self.cache.add_order(order, position_id=None)

        # Act: push order state to ACCEPTED
        self.exec_engine.process(
            TestStubs.event_order_submitted(order, account_id=account_id))
        self.exec_engine.process(
            TestStubs.event_order_accepted(order, account_id=account_id))

        # Assert
        assert self.portfolio.balances_locked(
            BINANCE)[USDT].as_decimal() == 50100

    def test_update_orders_working_margin_account(self):
        # Arrange
        AccountFactory.register_calculated_account("BINANCE")

        account_id = AccountId("BINANCE", "01234")
        state = AccountState(
            account_id=account_id,
            account_type=AccountType.MARGIN,
            base_currency=None,  # Multi-currency account
            reported=True,
            balances=[
                AccountBalance(
                    BTC,
                    Money(10.00000000, BTC),
                    Money(0.00000000, BTC),
                    Money(10.00000000, BTC),
                ),
                AccountBalance(
                    ETH,
                    Money(20.00000000, ETH),
                    Money(0.00000000, ETH),
                    Money(20.00000000, ETH),
                ),
                AccountBalance(
                    USDT,
                    Money(100000.00000000, USDT),
                    Money(0.00000000, USDT),
                    Money(100000.00000000, USDT),
                ),
            ],
            info={},
            event_id=UUID4(),
            ts_event=0,
            ts_init=0,
        )

        self.portfolio.update_account(state)

        # Create two working orders
        order1 = self.order_factory.stop_market(
            BTCUSDT_BINANCE.id,
            OrderSide.BUY,
            Quantity.from_str("10.5"),
            Price.from_str("25000.00"),
        )

        order2 = self.order_factory.stop_market(
            BTCUSDT_BINANCE.id,
            OrderSide.BUY,
            Quantity.from_str("10.5"),
            Price.from_str("25000.00"),
        )

        self.cache.add_order(order1, position_id=None)
        self.cache.add_order(order2, position_id=None)

        # Push states to ACCEPTED
        order1.apply(TestStubs.event_order_submitted(order1))
        self.cache.update_order(order1)
        order1.apply(TestStubs.event_order_accepted(order1))
        self.cache.update_order(order1)

        filled1 = TestStubs.event_order_filled(
            order1,
            instrument=BTCUSDT_BINANCE,
            strategy_id=StrategyId("S-1"),
            account_id=account_id,
            position_id=PositionId("P-1"),
            last_px=Price.from_str("25000.00"),
        )
        self.exec_engine.process(filled1)

        # Update the last quote
        last = QuoteTick(
            instrument_id=BTCUSDT_BINANCE.id,
            bid=Price.from_str("25001.00"),
            ask=Price.from_str("25002.00"),
            bid_size=Quantity.from_int(1),
            ask_size=Quantity.from_int(1),
            ts_event=0,
            ts_init=0,
        )

        # Act
        self.portfolio.update_tick(last)
        self.portfolio.initialize_orders()

        # Assert
        assert self.portfolio.margins_init(BINANCE) == {}

    def test_order_accept_updates_margin_init(self):
        # Arrange
        AccountFactory.register_calculated_account("BINANCE")

        state = AccountState(
            account_id=AccountId("BETFAIR", "01234"),
            account_type=AccountType.MARGIN,
            base_currency=GBP,
            reported=True,
            balances=[
                AccountBalance(
                    currency=GBP,
                    total=Money(1000, GBP),
                    free=Money(1000, GBP),
                    locked=Money(0, GBP),
                ),
            ],
            info={},
            event_id=UUID4(),
            ts_event=0,
            ts_init=0,
        )

        AccountFactory.register_calculated_account("BETFAIR")

        self.portfolio.update_account(state)

        # Create a passive order
        order1 = self.order_factory.limit(
            BETTING_INSTRUMENT.id,
            OrderSide.BUY,
            Quantity.from_str("100"),
            Price.from_str("0.5"),
        )

        self.cache.add_order(order1, position_id=None)

        # Push states to ACCEPTED
        order1.apply(TestStubs.event_order_submitted(order1))
        self.cache.update_order(order1)
        order1.apply(
            TestStubs.event_order_accepted(order1,
                                           venue_order_id=VenueOrderId("1")))
        self.cache.update_order(order1)

        # Act
        self.portfolio.initialize_orders()

        # Assert
        assert self.portfolio.margins_init(BETFAIR)[
            BETTING_INSTRUMENT.id] == Money(200, GBP)

    def test_update_positions(self):
        # Arrange
        AccountFactory.register_calculated_account("BINANCE")

        account_id = AccountId("BINANCE", "01234")
        state = AccountState(
            account_id=account_id,
            account_type=AccountType.CASH,
            base_currency=None,  # Multi-currency account
            reported=True,
            balances=[
                AccountBalance(
                    BTC,
                    Money(10.00000000, BTC),
                    Money(0.00000000, BTC),
                    Money(10.00000000, BTC),
                ),
                AccountBalance(
                    ETH,
                    Money(20.00000000, ETH),
                    Money(0.00000000, ETH),
                    Money(20.00000000, ETH),
                ),
            ],
            info={},
            event_id=UUID4(),
            ts_event=0,
            ts_init=0,
        )

        self.portfolio.update_account(state)

        # Create a closed position
        order1 = self.order_factory.market(
            BTCUSDT_BINANCE.id,
            OrderSide.BUY,
            Quantity.from_str("10.50000000"),
        )

        order2 = self.order_factory.market(
            BTCUSDT_BINANCE.id,
            OrderSide.SELL,
            Quantity.from_str("10.50000000"),
        )

        self.cache.add_order(order1, position_id=None)
        self.cache.add_order(order2, position_id=None)

        # Push states to ACCEPTED
        order1.apply(TestStubs.event_order_submitted(order1))
        self.cache.update_order(order1)
        order1.apply(TestStubs.event_order_accepted(order1))
        self.cache.update_order(order1)

        fill1 = TestStubs.event_order_filled(
            order1,
            instrument=BTCUSDT_BINANCE,
            strategy_id=StrategyId("S-1"),
            account_id=account_id,
            position_id=PositionId("P-1"),
            last_px=Price.from_str("25000.00"),
        )

        fill2 = TestStubs.event_order_filled(
            order2,
            instrument=BTCUSDT_BINANCE,
            strategy_id=StrategyId("S-1"),
            account_id=account_id,
            position_id=PositionId("P-1"),
            last_px=Price.from_str("25000.00"),
        )

        position1 = Position(instrument=BTCUSDT_BINANCE, fill=fill1)
        position1.apply(fill2)

        order3 = self.order_factory.market(
            BTCUSDT_BINANCE.id,
            OrderSide.BUY,
            Quantity.from_str("10.00000000"),
        )

        fill3 = TestStubs.event_order_filled(
            order3,
            instrument=BTCUSDT_BINANCE,
            strategy_id=StrategyId("S-1"),
            account_id=account_id,
            position_id=PositionId("P-2"),
            last_px=Price.from_str("25000.00"),
        )

        position2 = Position(instrument=BTCUSDT_BINANCE, fill=fill3)

        # Update the last quote
        last = QuoteTick(
            instrument_id=BTCUSDT_BINANCE.id,
            bid=Price.from_str("25001.00"),
            ask=Price.from_str("25002.00"),
            bid_size=Quantity.from_int(1),
            ask_size=Quantity.from_int(1),
            ts_event=0,
            ts_init=0,
        )

        # Act
        self.cache.add_position(position1, OMSType.HEDGING)
        self.cache.add_position(position2, OMSType.HEDGING)
        self.portfolio.initialize_positions()
        self.portfolio.update_tick(last)

        # Assert
        assert self.portfolio.is_net_long(BTCUSDT_BINANCE.id)

    def test_opening_one_long_position_updates_portfolio(self):
        # Arrange
        AccountFactory.register_calculated_account("BINANCE")

        account_id = AccountId("BINANCE", "01234")
        state = AccountState(
            account_id=account_id,
            account_type=AccountType.MARGIN,
            base_currency=None,  # Multi-currency account
            reported=True,
            balances=[
                AccountBalance(
                    BTC,
                    Money(10.00000000, BTC),
                    Money(0.00000000, BTC),
                    Money(10.00000000, BTC),
                ),
                AccountBalance(
                    ETH,
                    Money(20.00000000, ETH),
                    Money(0.00000000, ETH),
                    Money(20.00000000, ETH),
                ),
                AccountBalance(
                    USDT,
                    Money(100000.00000000, USDT),
                    Money(0.00000000, USDT),
                    Money(100000.00000000, USDT),
                ),
            ],
            info={},
            event_id=UUID4(),
            ts_event=0,
            ts_init=0,
        )

        self.portfolio.update_account(state)

        order = self.order_factory.market(
            BTCUSDT_BINANCE.id,
            OrderSide.BUY,
            Quantity.from_str("10.000000"),
        )

        fill = TestStubs.event_order_filled(
            order=order,
            instrument=BTCUSDT_BINANCE,
            strategy_id=StrategyId("S-001"),
            account_id=account_id,
            position_id=PositionId("P-123456"),
            last_px=Price.from_str("10500.00"),
        )

        last = QuoteTick(
            instrument_id=BTCUSDT_BINANCE.id,
            bid=Price.from_str("10510.00"),
            ask=Price.from_str("10511.00"),
            bid_size=Quantity.from_str("1.000000"),
            ask_size=Quantity.from_str("1.000000"),
            ts_event=0,
            ts_init=0,
        )

        self.cache.add_quote_tick(last)
        self.portfolio.update_tick(last)

        position = Position(instrument=BTCUSDT_BINANCE, fill=fill)

        # Act
        self.cache.add_position(position, OMSType.HEDGING)
        self.portfolio.update_position(
            TestStubs.event_position_opened(position))

        # Assert
        assert self.portfolio.net_exposures(BINANCE) == {
            USDT: Money(105100.00000000, USDT)
        }
        assert self.portfolio.unrealized_pnls(BINANCE) == {
            USDT: Money(100.00000000, USDT)
        }
        assert self.portfolio.margins_maint(BINANCE) == {
            BTCUSDT_BINANCE.id: Money(105.00000000, USDT)
        }
        assert self.portfolio.net_exposure(BTCUSDT_BINANCE.id) == Money(
            105100.00000000, USDT)
        assert self.portfolio.unrealized_pnl(BTCUSDT_BINANCE.id) == Money(
            100.00000000, USDT)
        assert self.portfolio.net_position(
            order.instrument_id) == Decimal("10.00000000")
        assert self.portfolio.is_net_long(order.instrument_id)
        assert not self.portfolio.is_net_short(order.instrument_id)
        assert not self.portfolio.is_flat(order.instrument_id)
        assert not self.portfolio.is_completely_flat()

    def test_opening_one_short_position_updates_portfolio(self):
        # Arrange
        AccountFactory.register_calculated_account("BINANCE")

        account_id = AccountId("BINANCE", "01234")
        state = AccountState(
            account_id=account_id,
            account_type=AccountType.MARGIN,
            base_currency=None,  # Multi-currency account
            reported=True,
            balances=[
                AccountBalance(
                    BTC,
                    Money(10.00000000, BTC),
                    Money(0.00000000, BTC),
                    Money(10.00000000, BTC),
                ),
                AccountBalance(
                    ETH,
                    Money(20.00000000, ETH),
                    Money(0.00000000, ETH),
                    Money(20.00000000, ETH),
                ),
                AccountBalance(
                    USDT,
                    Money(100000.00000000, USDT),
                    Money(0.00000000, USDT),
                    Money(100000.00000000, USDT),
                ),
            ],
            info={},
            event_id=UUID4(),
            ts_event=0,
            ts_init=0,
        )

        self.portfolio.update_account(state)

        order = self.order_factory.market(
            BTCUSDT_BINANCE.id,
            OrderSide.SELL,
            Quantity.from_str("0.515"),
        )

        fill = TestStubs.event_order_filled(
            order=order,
            instrument=BTCUSDT_BINANCE,
            strategy_id=StrategyId("S-001"),
            account_id=account_id,
            position_id=PositionId("P-123456"),
            last_px=Price.from_str("15000.00"),
        )

        last = QuoteTick(
            instrument_id=BTCUSDT_BINANCE.id,
            bid=Price.from_str("15510.15"),
            ask=Price.from_str("15510.25"),
            bid_size=Quantity.from_str("12.62"),
            ask_size=Quantity.from_str("3.1"),
            ts_event=0,
            ts_init=0,
        )

        self.cache.add_quote_tick(last)
        self.portfolio.update_tick(last)

        position = Position(instrument=BTCUSDT_BINANCE, fill=fill)

        # Act
        self.cache.add_position(position, OMSType.HEDGING)
        self.portfolio.update_position(
            TestStubs.event_position_opened(position))

        # Assert
        assert self.portfolio.net_exposures(BINANCE) == {
            USDT: Money(7987.77875000, USDT)
        }
        assert self.portfolio.unrealized_pnls(BINANCE) == {
            USDT: Money(-262.77875000, USDT)
        }
        assert self.portfolio.margins_maint(BINANCE) == {
            BTCUSDT_BINANCE.id: Money(7.72500000, USDT)
        }
        assert self.portfolio.net_exposure(BTCUSDT_BINANCE.id) == Money(
            7987.77875000, USDT)
        assert self.portfolio.unrealized_pnl(BTCUSDT_BINANCE.id) == Money(
            -262.77875000, USDT)
        assert self.portfolio.net_position(
            order.instrument_id) == Decimal("-0.515")
        assert not self.portfolio.is_net_long(order.instrument_id)
        assert self.portfolio.is_net_short(order.instrument_id)
        assert not self.portfolio.is_flat(order.instrument_id)
        assert not self.portfolio.is_completely_flat()

    def test_opening_positions_with_multi_asset_account(self):
        # Arrange
        AccountFactory.register_calculated_account("BITMEX")

        account_id = AccountId("BITMEX", "01234")
        state = AccountState(
            account_id=account_id,
            account_type=AccountType.MARGIN,
            base_currency=None,  # Multi-currency account
            reported=True,
            balances=[
                AccountBalance(
                    BTC,
                    Money(10.00000000, BTC),
                    Money(0.00000000, BTC),
                    Money(10.00000000, BTC),
                ),
                AccountBalance(
                    ETH,
                    Money(20.00000000, ETH),
                    Money(0.00000000, ETH),
                    Money(20.00000000, ETH),
                ),
            ],
            info={},
            event_id=UUID4(),
            ts_event=0,
            ts_init=0,
        )

        self.portfolio.update_account(state)

        last_ethusd = QuoteTick(
            instrument_id=ETHUSD_BITMEX.id,
            bid=Price.from_str("376.05"),
            ask=Price.from_str("377.10"),
            bid_size=Quantity.from_str("16"),
            ask_size=Quantity.from_str("25"),
            ts_event=0,
            ts_init=0,
        )

        last_btcusd = QuoteTick(
            instrument_id=BTCUSD_BITMEX.id,
            bid=Price.from_str("10500.05"),
            ask=Price.from_str("10501.51"),
            bid_size=Quantity.from_str("2.54"),
            ask_size=Quantity.from_str("0.91"),
            ts_event=0,
            ts_init=0,
        )

        self.cache.add_quote_tick(last_ethusd)
        self.cache.add_quote_tick(last_btcusd)
        self.portfolio.update_tick(last_ethusd)
        self.portfolio.update_tick(last_btcusd)

        order = self.order_factory.market(
            ETHUSD_BITMEX.id,
            OrderSide.BUY,
            Quantity.from_int(10000),
        )

        fill = TestStubs.event_order_filled(
            order=order,
            instrument=ETHUSD_BITMEX,
            strategy_id=StrategyId("S-001"),
            account_id=account_id,
            position_id=PositionId("P-123456"),
            last_px=Price.from_str("376.05"),
        )

        position = Position(instrument=ETHUSD_BITMEX, fill=fill)

        # Act
        self.cache.add_position(position, OMSType.HEDGING)
        self.portfolio.update_position(
            TestStubs.event_position_opened(position))

        # Assert
        assert self.portfolio.net_exposures(BITMEX) == {
            ETH: Money(26.59220848, ETH)
        }
        assert self.portfolio.margins_maint(BITMEX) == {
            ETHUSD_BITMEX.id: Money(0.20608962, ETH)
        }
        assert self.portfolio.net_exposure(ETHUSD_BITMEX.id) == Money(
            26.59220848, ETH)
        assert self.portfolio.unrealized_pnl(ETHUSD_BITMEX.id) == Money(
            0.00000000, ETH)

    def test_unrealized_pnl_when_insufficient_data_for_xrate_returns_none(
            self):
        # Arrange
        AccountFactory.register_calculated_account("BITMEX")

        state = AccountState(
            account_id=AccountId("BITMEX", "01234"),
            account_type=AccountType.MARGIN,
            base_currency=BTC,
            reported=True,
            balances=[
                AccountBalance(
                    BTC,
                    Money(10.00000000, BTC),
                    Money(0.00000000, BTC),
                    Money(10.00000000, BTC),
                ),
                AccountBalance(
                    ETH,
                    Money(20.00000000, ETH),
                    Money(0.00000000, ETH),
                    Money(20.00000000, ETH),
                ),
            ],
            info={},
            event_id=UUID4(),
            ts_event=0,
            ts_init=0,
        )

        self.portfolio.update_account(state)

        order = self.order_factory.market(
            ETHUSD_BITMEX.id,
            OrderSide.BUY,
            Quantity.from_int(100),
        )

        self.cache.add_order(order, position_id=None)
        self.exec_engine.process(TestStubs.event_order_submitted(order))
        self.exec_engine.process(TestStubs.event_order_accepted(order))

        fill = TestStubs.event_order_filled(
            order=order,
            instrument=ETHUSD_BITMEX,
            strategy_id=StrategyId("S-1"),
            position_id=PositionId("P-123456"),
            last_px=Price.from_str("376.05"),
        )

        self.exec_engine.process(fill)

        position = Position(instrument=ETHUSD_BITMEX, fill=fill)

        self.portfolio.update_position(
            TestStubs.event_position_opened(position))

        # Act
        result = self.portfolio.unrealized_pnls(BITMEX)

        # # Assert
        assert result == {}

    def test_market_value_when_insufficient_data_for_xrate_returns_none(self):
        # Arrange
        AccountFactory.register_calculated_account("BITMEX")

        account_id = AccountId("BITMEX", "01234")
        state = AccountState(
            account_id=account_id,
            account_type=AccountType.MARGIN,
            base_currency=BTC,
            reported=True,
            balances=[
                AccountBalance(
                    BTC,
                    Money(10.00000000, BTC),
                    Money(0.00000000, BTC),
                    Money(10.00000000, BTC),
                ),
            ],
            info={},
            event_id=UUID4(),
            ts_event=0,
            ts_init=0,
        )

        self.portfolio.update_account(state)

        order = self.order_factory.market(
            ETHUSD_BITMEX.id,
            OrderSide.BUY,
            Quantity.from_int(100),
        )

        fill = TestStubs.event_order_filled(
            order=order,
            instrument=ETHUSD_BITMEX,
            strategy_id=StrategyId("S-1"),
            account_id=account_id,
            position_id=PositionId("P-123456"),
            last_px=Price.from_str("376.05"),
        )

        last_ethusd = QuoteTick(
            instrument_id=ETHUSD_BITMEX.id,
            bid=Price.from_str("376.05"),
            ask=Price.from_str("377.10"),
            bid_size=Quantity.from_str("16"),
            ask_size=Quantity.from_str("25"),
            ts_event=0,
            ts_init=0,
        )

        last_xbtusd = QuoteTick(
            instrument_id=BTCUSD_BITMEX.id,
            bid=Price.from_str("50000.00"),
            ask=Price.from_str("50000.00"),
            bid_size=Quantity.from_str("1"),
            ask_size=Quantity.from_str("1"),
            ts_event=0,
            ts_init=0,
        )

        position = Position(instrument=ETHUSD_BITMEX, fill=fill)

        self.portfolio.update_position(
            TestStubs.event_position_opened(position))
        self.cache.add_position(position, OMSType.HEDGING)
        self.cache.add_quote_tick(last_ethusd)
        self.cache.add_quote_tick(last_xbtusd)
        self.portfolio.update_tick(last_ethusd)
        self.portfolio.update_tick(last_xbtusd)

        # Act
        result = self.portfolio.net_exposures(BITMEX)

        # Assert
        assert result == {BTC: Money(0.00200000, BTC)}

    def test_opening_several_positions_updates_portfolio(self):
        # Arrange
        AccountFactory.register_calculated_account("SIM")

        account_id = AccountId("SIM", "01234")
        state = AccountState(
            account_id=account_id,
            account_type=AccountType.MARGIN,
            base_currency=USD,
            reported=True,
            balances=[
                AccountBalance(
                    USD,
                    Money(1_000_000, USD),
                    Money(0, USD),
                    Money(1_000_000, USD),
                ),
            ],
            info={},
            event_id=UUID4(),
            ts_event=0,
            ts_init=0,
        )

        self.portfolio.update_account(state)

        last_audusd = QuoteTick(
            instrument_id=AUDUSD_SIM.id,
            bid=Price.from_str("0.80501"),
            ask=Price.from_str("0.80505"),
            bid_size=Quantity.from_int(1),
            ask_size=Quantity.from_int(1),
            ts_event=0,
            ts_init=0,
        )

        last_gbpusd = QuoteTick(
            instrument_id=GBPUSD_SIM.id,
            bid=Price.from_str("1.30315"),
            ask=Price.from_str("1.30317"),
            bid_size=Quantity.from_int(1),
            ask_size=Quantity.from_int(1),
            ts_event=0,
            ts_init=0,
        )

        self.cache.add_quote_tick(last_audusd)
        self.cache.add_quote_tick(last_gbpusd)
        self.portfolio.update_tick(last_audusd)
        self.portfolio.update_tick(last_gbpusd)

        order1 = self.order_factory.market(
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
        )

        order2 = self.order_factory.market(
            GBPUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
        )

        self.cache.add_order(order1, position_id=None)
        self.cache.add_order(order2, position_id=None)

        fill1 = TestStubs.event_order_filled(
            order1,
            instrument=AUDUSD_SIM,
            strategy_id=StrategyId("S-1"),
            account_id=account_id,
            position_id=PositionId("P-1"),
            last_px=Price.from_str("1.00000"),
        )

        fill2 = TestStubs.event_order_filled(
            order2,
            instrument=GBPUSD_SIM,
            strategy_id=StrategyId("S-1"),
            account_id=account_id,
            position_id=PositionId("P-2"),
            last_px=Price.from_str("1.00000"),
        )

        self.cache.update_order(order1)
        self.cache.update_order(order2)

        position1 = Position(instrument=AUDUSD_SIM, fill=fill1)
        position2 = Position(instrument=GBPUSD_SIM, fill=fill2)
        position_opened1 = TestStubs.event_position_opened(position1)
        position_opened2 = TestStubs.event_position_opened(position2)

        # Act
        self.cache.add_position(position1, OMSType.HEDGING)
        self.cache.add_position(position2, OMSType.HEDGING)
        self.portfolio.update_position(position_opened1)
        self.portfolio.update_position(position_opened2)

        # Assert
        assert self.portfolio.net_exposures(SIM) == {
            USD: Money(210816.00, USD)
        }
        assert self.portfolio.unrealized_pnls(SIM) == {
            USD: Money(10816.00, USD)
        }
        assert self.portfolio.margins_maint(SIM) == {
            AUDUSD_SIM.id: Money(3002.00, USD),
            GBPUSD_SIM.id: Money(3002.00, USD),
        }
        assert self.portfolio.net_exposure(AUDUSD_SIM.id) == Money(
            80501.00, USD)
        assert self.portfolio.net_exposure(GBPUSD_SIM.id) == Money(
            130315.00, USD)
        assert self.portfolio.unrealized_pnl(AUDUSD_SIM.id) == Money(
            -19499.00, USD)
        assert self.portfolio.unrealized_pnl(GBPUSD_SIM.id) == Money(
            30315.00, USD)
        assert self.portfolio.net_position(AUDUSD_SIM.id) == Decimal(100000)
        assert self.portfolio.net_position(GBPUSD_SIM.id) == Decimal(100000)
        assert self.portfolio.is_net_long(AUDUSD_SIM.id)
        assert not self.portfolio.is_net_short(AUDUSD_SIM.id)
        assert not self.portfolio.is_flat(AUDUSD_SIM.id)
        assert not self.portfolio.is_completely_flat()

    def test_modifying_position_updates_portfolio(self):
        # Arrange
        AccountFactory.register_calculated_account("SIM")

        account_id = AccountId("SIM", "01234")
        state = AccountState(
            account_id=account_id,
            account_type=AccountType.MARGIN,
            base_currency=USD,
            reported=True,
            balances=[
                AccountBalance(
                    USD,
                    Money(1_000_000, USD),
                    Money(0, USD),
                    Money(1_000_000, USD),
                ),
            ],
            info={},
            event_id=UUID4(),
            ts_event=0,
            ts_init=0,
        )

        self.portfolio.update_account(state)

        last_audusd = QuoteTick(
            instrument_id=AUDUSD_SIM.id,
            bid=Price.from_str("0.80501"),
            ask=Price.from_str("0.80505"),
            bid_size=Quantity.from_int(1),
            ask_size=Quantity.from_int(1),
            ts_event=0,
            ts_init=0,
        )

        self.cache.add_quote_tick(last_audusd)
        self.portfolio.update_tick(last_audusd)

        order1 = self.order_factory.market(
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
        )

        fill1 = TestStubs.event_order_filled(
            order1,
            instrument=AUDUSD_SIM,
            strategy_id=StrategyId("S-1"),
            account_id=account_id,
            position_id=PositionId("P-123456"),
            last_px=Price.from_str("1.00000"),
        )

        position = Position(instrument=AUDUSD_SIM, fill=fill1)
        self.cache.add_position(position, OMSType.HEDGING)
        self.portfolio.update_position(
            TestStubs.event_position_opened(position))

        order2 = self.order_factory.market(
            AUDUSD_SIM.id,
            OrderSide.SELL,
            Quantity.from_int(50000),
        )

        order2_filled = TestStubs.event_order_filled(
            order2,
            instrument=AUDUSD_SIM,
            strategy_id=StrategyId("S-1"),
            account_id=account_id,
            position_id=PositionId("P-123456"),
            last_px=Price.from_str("1.00000"),
        )

        position.apply(order2_filled)

        # Act
        self.portfolio.update_position(
            TestStubs.event_position_changed(position))

        # Assert
        assert self.portfolio.net_exposures(SIM) == {USD: Money(40250.50, USD)}
        assert self.portfolio.unrealized_pnls(SIM) == {
            USD: Money(-9749.50, USD)
        }
        assert self.portfolio.margins_maint(SIM) == {
            AUDUSD_SIM.id: Money(1501.00, USD)
        }
        assert self.portfolio.net_exposure(AUDUSD_SIM.id) == Money(
            40250.50, USD)
        assert self.portfolio.unrealized_pnl(AUDUSD_SIM.id) == Money(
            -9749.50, USD)
        assert self.portfolio.net_position(AUDUSD_SIM.id) == Decimal(50000)
        assert self.portfolio.is_net_long(AUDUSD_SIM.id)
        assert not self.portfolio.is_net_short(AUDUSD_SIM.id)
        assert not self.portfolio.is_flat(AUDUSD_SIM.id)
        assert not self.portfolio.is_completely_flat()
        assert self.portfolio.unrealized_pnls(BINANCE) == {}
        assert self.portfolio.net_exposures(BINANCE) is None

    def test_closing_position_updates_portfolio(self):
        # Arrange
        AccountFactory.register_calculated_account("SIM")

        account_id = AccountId("SIM", "01234")
        state = AccountState(
            account_id=account_id,
            account_type=AccountType.MARGIN,
            base_currency=USD,
            reported=True,
            balances=[
                AccountBalance(
                    USD,
                    Money(1_000_000, USD),
                    Money(0, USD),
                    Money(1_000_000, USD),
                ),
            ],
            info={},
            event_id=UUID4(),
            ts_event=0,
            ts_init=0,
        )

        self.portfolio.update_account(state)

        order1 = self.order_factory.market(
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
        )

        fill1 = TestStubs.event_order_filled(
            order1,
            instrument=AUDUSD_SIM,
            strategy_id=StrategyId("S-1"),
            account_id=account_id,
            position_id=PositionId("P-123456"),
            last_px=Price.from_str("1.00000"),
        )

        position = Position(instrument=AUDUSD_SIM, fill=fill1)
        self.cache.add_position(position, OMSType.HEDGING)
        self.portfolio.update_position(
            TestStubs.event_position_opened(position))

        order2 = self.order_factory.market(
            AUDUSD_SIM.id,
            OrderSide.SELL,
            Quantity.from_int(100000),
        )

        order2_filled = TestStubs.event_order_filled(
            order2,
            instrument=AUDUSD_SIM,
            strategy_id=StrategyId("S-1"),
            account_id=account_id,
            position_id=PositionId("P-123456"),
            last_px=Price.from_str("1.00010"),
        )

        position.apply(order2_filled)
        self.cache.update_position(position)

        # Act
        self.portfolio.update_position(
            TestStubs.event_position_closed(position))

        # Assert
        assert self.portfolio.net_exposures(SIM) == {}
        assert self.portfolio.unrealized_pnls(SIM) == {}
        assert self.portfolio.margins_maint(SIM) == {}
        assert self.portfolio.net_exposure(AUDUSD_SIM.id) == Money(0, USD)
        assert self.portfolio.unrealized_pnl(AUDUSD_SIM.id) == Money(0, USD)
        assert self.portfolio.net_position(AUDUSD_SIM.id) == Decimal(0)
        assert not self.portfolio.is_net_long(AUDUSD_SIM.id)
        assert not self.portfolio.is_net_short(AUDUSD_SIM.id)
        assert self.portfolio.is_flat(AUDUSD_SIM.id)
        assert self.portfolio.is_completely_flat()

    def test_several_positions_with_different_instruments_updates_portfolio(
            self):
        # Arrange
        account_id = AccountId("SIM", "01234")
        state = AccountState(
            account_id=account_id,
            account_type=AccountType.MARGIN,
            base_currency=USD,
            reported=True,
            balances=[
                AccountBalance(
                    USD,
                    Money(1_000_000, USD),
                    Money(0, USD),
                    Money(1_000_000, USD),
                ),
            ],
            info={},
            event_id=UUID4(),
            ts_event=0,
            ts_init=0,
        )

        self.portfolio.update_account(state)

        order1 = self.order_factory.market(
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
        )

        order2 = self.order_factory.market(
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
        )

        order3 = self.order_factory.market(
            GBPUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
        )

        order4 = self.order_factory.market(
            GBPUSD_SIM.id,
            OrderSide.SELL,
            Quantity.from_int(100000),
        )

        fill1 = TestStubs.event_order_filled(
            order1,
            instrument=AUDUSD_SIM,
            strategy_id=StrategyId("S-1"),
            account_id=account_id,
            position_id=PositionId("P-1"),
            last_px=Price.from_str("1.00000"),
        )

        fill2 = TestStubs.event_order_filled(
            order2,
            instrument=AUDUSD_SIM,
            strategy_id=StrategyId("S-1"),
            account_id=account_id,
            position_id=PositionId("P-2"),
            last_px=Price.from_str("1.00000"),
        )

        fill3 = TestStubs.event_order_filled(
            order3,
            instrument=GBPUSD_SIM,
            strategy_id=StrategyId("S-1"),
            account_id=account_id,
            position_id=PositionId("P-3"),
            last_px=Price.from_str("1.00000"),
        )

        fill4 = TestStubs.event_order_filled(
            order4,
            instrument=GBPUSD_SIM,
            strategy_id=StrategyId("S-1"),
            account_id=account_id,
            position_id=PositionId("P-3"),
            last_px=Price.from_str("1.00100"),
        )

        position1 = Position(instrument=AUDUSD_SIM, fill=fill1)
        position2 = Position(instrument=AUDUSD_SIM, fill=fill2)
        position3 = Position(instrument=GBPUSD_SIM, fill=fill3)

        last_audusd = QuoteTick(
            instrument_id=AUDUSD_SIM.id,
            bid=Price.from_str("0.80501"),
            ask=Price.from_str("0.80505"),
            bid_size=Quantity.from_int(1),
            ask_size=Quantity.from_int(1),
            ts_event=0,
            ts_init=0,
        )

        last_gbpusd = QuoteTick(
            instrument_id=GBPUSD_SIM.id,
            bid=Price.from_str("1.30315"),
            ask=Price.from_str("1.30317"),
            bid_size=Quantity.from_int(1),
            ask_size=Quantity.from_int(1),
            ts_event=0,
            ts_init=0,
        )

        self.cache.add_quote_tick(last_audusd)
        self.cache.add_quote_tick(last_gbpusd)
        self.portfolio.update_tick(last_audusd)
        self.portfolio.update_tick(last_gbpusd)

        self.cache.add_position(position1, OMSType.HEDGING)
        self.cache.add_position(position2, OMSType.HEDGING)
        self.cache.add_position(position3, OMSType.HEDGING)

        # Act
        self.portfolio.update_position(
            TestStubs.event_position_opened(position1))
        self.portfolio.update_position(
            TestStubs.event_position_opened(position2))
        self.portfolio.update_position(
            TestStubs.event_position_opened(position3))

        position3.apply(fill4)
        self.cache.update_position(position3)
        self.portfolio.update_position(
            TestStubs.event_position_closed(position3))

        # Assert
        assert {
            USD: Money(-38998.00, USD)
        } == self.portfolio.unrealized_pnls(SIM)
        assert {
            USD: Money(161002.00, USD)
        } == self.portfolio.net_exposures(SIM)
        assert Money(161002.00,
                     USD) == self.portfolio.net_exposure(AUDUSD_SIM.id)
        assert Money(-38998.00,
                     USD) == self.portfolio.unrealized_pnl(AUDUSD_SIM.id)
        assert self.portfolio.unrealized_pnl(GBPUSD_SIM.id) == Money(0, USD)
        assert self.portfolio.net_position(AUDUSD_SIM.id) == Decimal(200000)
        assert self.portfolio.net_position(GBPUSD_SIM.id) == Decimal(0)
        assert self.portfolio.is_net_long(AUDUSD_SIM.id)
        assert self.portfolio.is_flat(GBPUSD_SIM.id)
        assert not self.portfolio.is_completely_flat()
class TestRiskEngine:
    def setup(self):
        # Fixture Setup
        self.clock = TestClock()
        self.uuid_factory = UUIDFactory()
        self.logger = Logger(
            clock=self.clock,
            level_stdout=LogLevel.DEBUG,
        )

        self.trader_id = TestIdStubs.trader_id()
        self.account_id = TestIdStubs.account_id()
        self.venue = Venue("SIM")

        self.msgbus = MessageBus(
            trader_id=self.trader_id,
            clock=self.clock,
            logger=self.logger,
        )

        self.cache = TestComponentStubs.cache()

        self.portfolio = Portfolio(
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        config = ExecEngineConfig()
        config.allow_cash_positions = True  # Retain original behaviour for now
        self.exec_engine = ExecutionEngine(
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
            config=config,
        )

        self.risk_engine = RiskEngine(
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        self.exec_client = MockExecutionClient(
            client_id=ClientId(self.venue.value),
            venue=self.venue,
            account_type=AccountType.MARGIN,
            base_currency=USD,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )
        self.portfolio.update_account(TestEventStubs.margin_account_state())
        self.exec_engine.register_client(self.exec_client)

        # Prepare data
        self.cache.add_instrument(AUDUSD_SIM)

    def test_config_risk_engine(self):
        # Arrange
        self.msgbus.deregister("RiskEngine.execute", self.risk_engine.execute)

        config = RiskEngineConfig(
            bypass=True,  # <-- bypassing pre-trade risk checks for backtest
            max_order_rate="5/00:00:01",
            max_notional_per_order={"GBP/USD.SIM": 2_000_000},
        )

        # Act
        risk_engine = RiskEngine(
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
            config=config,
        )

        # Assert
        assert risk_engine.max_order_rate() == (5, timedelta(seconds=1))
        assert risk_engine.max_notionals_per_order() == {GBPUSD_SIM.id: Decimal("2000000")}
        assert risk_engine.max_notional_per_order(GBPUSD_SIM.id) == 2_000_000

    def test_risk_engine_on_stop(self):
        # Arrange, Act
        self.risk_engine.start()
        self.risk_engine.stop()

        # Assert
        assert self.risk_engine.is_stopped

    def test_process_event_then_handles(self):
        # Arrange
        event = Event(
            event_id=self.uuid_factory.generate(),
            ts_event=self.clock.timestamp_ns(),
            ts_init=self.clock.timestamp_ns(),
        )

        # Act
        self.risk_engine.process(event)

        # Assert
        assert self.risk_engine.event_count == 1

    def test_trading_state_after_instantiation_returns_active(self):
        # Arrange, Act
        result = self.risk_engine.trading_state

        # Assert
        assert result == TradingState.ACTIVE

    def test_set_trading_state_when_no_change_logs_warning(self):
        # Arrange, Act
        self.risk_engine.set_trading_state(TradingState.ACTIVE)

        # Assert
        assert self.risk_engine.trading_state == TradingState.ACTIVE

    def test_set_trading_state_changes_value_and_publishes_event(self):
        # Arrange
        handler = []
        self.msgbus.subscribe(topic="events.risk*", handler=handler.append)

        # Act
        self.risk_engine.set_trading_state(TradingState.HALTED)

        # Assert
        assert type(handler[0]) == TradingStateChanged
        assert self.risk_engine.trading_state == TradingState.HALTED

    def test_max_order_rate_when_no_risk_config_returns_100_per_second(self):
        # Arrange, Act
        result = self.risk_engine.max_order_rate()

        assert result == (100, timedelta(seconds=1))

    def test_max_notionals_per_order_when_no_risk_config_returns_empty_dict(self):
        # Arrange, Act
        result = self.risk_engine.max_notionals_per_order()

        assert result == {}

    def test_max_notional_per_order_when_no_risk_config_returns_none(self):
        # Arrange, Act
        result = self.risk_engine.max_notional_per_order(AUDUSD_SIM.id)

        assert result is None

    def test_set_max_notional_per_order_changes_setting(self):
        # Arrange, Act
        self.risk_engine.set_max_notional_per_order(AUDUSD_SIM.id, 1_000_000)

        max_notionals = self.risk_engine.max_notionals_per_order()
        max_notional = self.risk_engine.max_notional_per_order(AUDUSD_SIM.id)

        # Assert
        assert max_notionals == {AUDUSD_SIM.id: Decimal("1000000")}
        assert max_notional == Decimal(1_000_000)

    def test_given_random_command_then_logs_and_continues(self):
        # Arrange
        random = TradingCommand(
            client_id=None,
            trader_id=self.trader_id,
            strategy_id=StrategyId("SCALPER-001"),
            instrument_id=AUDUSD_SIM.id,
            command_id=self.uuid_factory.generate(),
            ts_init=self.clock.timestamp_ns(),
        )

        self.risk_engine.execute(random)

    def test_given_random_event_then_logs_and_continues(self):
        # Arrange
        random = Event(
            event_id=self.uuid_factory.generate(),
            ts_event=self.clock.timestamp_ns(),
            ts_init=self.clock.timestamp_ns(),
        )

        self.risk_engine.process(random)

    # -- SUBMIT ORDER TESTS ------------------------------------------------------------------------

    def test_submit_order_with_default_settings_then_sends_to_client(self):
        # Arrange
        self.exec_engine.start()

        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        order = strategy.order_factory.market(
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
        )

        submit_order = SubmitOrder(
            self.trader_id,
            strategy.id,
            None,
            order,
            self.uuid_factory.generate(),
            self.clock.timestamp_ns(),
        )

        # Act
        self.risk_engine.execute(submit_order)

        # Assert
        assert self.exec_engine.command_count == 1
        assert self.exec_client.calls == ["_start", "submit_order"]

    def test_submit_order_when_duplicate_id_then_denies(self):
        # Arrange
        self.exec_engine.start()

        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        order = strategy.order_factory.market(
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
        )

        submit_order = SubmitOrder(
            self.trader_id,
            strategy.id,
            None,
            order,
            self.uuid_factory.generate(),
            self.clock.timestamp_ns(),
        )

        self.risk_engine.execute(submit_order)

        # Act
        self.risk_engine.execute(submit_order)

        # Assert
        assert self.exec_engine.command_count == 1
        assert self.exec_client.calls == ["_start", "submit_order"]

    def test_submit_order_when_risk_bypassed_sends_to_execution_engine(self):
        # Arrange
        self.exec_engine.start()

        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        order = strategy.order_factory.market(
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
        )

        submit_order = SubmitOrder(
            trader_id=self.trader_id,
            strategy_id=strategy.id,
            position_id=None,
            order=order,
            command_id=self.uuid_factory.generate(),
            ts_init=self.clock.timestamp_ns(),
        )

        # Act
        self.risk_engine.execute(submit_order)

        # Assert
        assert self.exec_engine.command_count == 1  # <-- initial account event
        assert self.exec_client.calls == ["_start", "submit_order"]

    def test_submit_order_when_position_already_closed_then_denies(self):
        # Arrange
        self.exec_engine.start()

        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        order1 = strategy.order_factory.market(
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
        )

        order2 = strategy.order_factory.market(
            AUDUSD_SIM.id,
            OrderSide.SELL,
            Quantity.from_int(100000),
        )

        order3 = strategy.order_factory.market(
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
        )

        submit_order1 = SubmitOrder(
            trader_id=self.trader_id,
            strategy_id=strategy.id,
            position_id=None,
            order=order1,
            command_id=self.uuid_factory.generate(),
            ts_init=self.clock.timestamp_ns(),
        )

        self.risk_engine.execute(submit_order1)
        self.exec_engine.process(TestEventStubs.order_submitted(order1))
        self.exec_engine.process(TestEventStubs.order_accepted(order1))
        self.exec_engine.process(TestEventStubs.order_filled(order1, AUDUSD_SIM))

        submit_order2 = SubmitOrder(
            trader_id=self.trader_id,
            strategy_id=strategy.id,
            position_id=PositionId("P-19700101-000000-000-000-1"),
            order=order2,
            command_id=self.uuid_factory.generate(),
            ts_init=self.clock.timestamp_ns(),
        )

        self.risk_engine.execute(submit_order2)
        self.exec_engine.process(TestEventStubs.order_submitted(order2))
        self.exec_engine.process(TestEventStubs.order_accepted(order2))
        self.exec_engine.process(TestEventStubs.order_filled(order2, AUDUSD_SIM))

        submit_order3 = SubmitOrder(
            trader_id=self.trader_id,
            strategy_id=strategy.id,
            position_id=PositionId("P-19700101-000000-000-000-1"),
            order=order3,
            command_id=self.uuid_factory.generate(),
            ts_init=self.clock.timestamp_ns(),
        )

        # Act
        self.risk_engine.execute(submit_order3)

        # Assert
        assert self.exec_engine.command_count == 2
        assert self.exec_client.calls == ["_start", "submit_order", "submit_order"]

    def test_submit_order_when_position_id_not_in_cache_then_denies(self):
        # Arrange
        self.exec_engine.start()

        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        order = strategy.order_factory.market(
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
        )

        submit_order = SubmitOrder(
            self.trader_id,
            strategy.id,
            PositionId("009"),  # <-- not in the cache
            order,
            self.uuid_factory.generate(),
            self.clock.timestamp_ns(),
        )

        # Act
        self.risk_engine.execute(submit_order)

        # Assert
        assert self.exec_engine.command_count == 0

    def test_submit_order_when_instrument_not_in_cache_then_denies(self):
        # Arrange
        self.exec_engine.start()

        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        order = strategy.order_factory.market(
            GBPUSD_SIM.id,  # <-- not in the cache
            OrderSide.BUY,
            Quantity.from_int(100000),
        )

        submit_order = SubmitOrder(
            self.trader_id,
            strategy.id,
            None,
            order,
            self.uuid_factory.generate(),
            self.clock.timestamp_ns(),
        )

        # Act
        self.risk_engine.execute(submit_order)

        # Assert
        assert self.exec_engine.command_count == 0  # <-- command never reaches engine

    def test_submit_order_when_invalid_price_precision_then_denies(self):
        # Arrange
        self.exec_engine.start()

        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        order = strategy.order_factory.limit(
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
            Price.from_str("0.9999999999999999"),  # <- invalid price
        )

        submit_order = SubmitOrder(
            self.trader_id,
            strategy.id,
            None,
            order,
            self.uuid_factory.generate(),
            self.clock.timestamp_ns(),
        )

        # Act
        self.risk_engine.execute(submit_order)

        # Assert
        assert self.exec_engine.command_count == 0  # <-- command never reaches engine

    def test_submit_order_when_invalid_negative_price_and_not_option_then_denies(self):
        # Arrange
        self.exec_engine.start()

        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        order = strategy.order_factory.limit(
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
            Price.from_str("-1.0"),  # <- invalid price
        )

        submit_order = SubmitOrder(
            self.trader_id,
            strategy.id,
            None,
            order,
            self.uuid_factory.generate(),
            self.clock.timestamp_ns(),
        )

        # Act
        self.risk_engine.execute(submit_order)

        # Assert
        assert self.exec_engine.command_count == 0  # <-- command never reaches engine

    def test_submit_order_when_invalid_trigger_price_then_denies(self):
        # Arrange
        self.exec_engine.start()

        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        order = strategy.order_factory.stop_limit(
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
            Price.from_str("1.00000"),
            Price.from_str("0.999999999999999"),  # <- invalid trigger
        )

        submit_order = SubmitOrder(
            self.trader_id,
            strategy.id,
            None,
            order,
            self.uuid_factory.generate(),
            self.clock.timestamp_ns(),
        )

        # Act
        self.risk_engine.execute(submit_order)

        # Assert
        assert self.exec_engine.command_count == 0  # <-- command never reaches engine

    def test_submit_order_when_invalid_quantity_precision_then_denies(self):
        # Arrange
        self.exec_engine.start()

        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        order = strategy.order_factory.limit(
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_str("1.111111111111111111"),  # <- invalid quantity
            Price.from_str("1.00000"),
        )

        submit_order = SubmitOrder(
            self.trader_id,
            strategy.id,
            None,
            order,
            self.uuid_factory.generate(),
            self.clock.timestamp_ns(),
        )

        # Act
        self.risk_engine.execute(submit_order)

        # Assert
        assert self.exec_engine.command_count == 0  # <-- command never reaches engine

    def test_submit_order_when_invalid_quantity_exceeds_maximum_then_denies(self):
        # Arrange
        self.exec_engine.start()

        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        order = strategy.order_factory.limit(
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(1_000_000_000),  # <- invalid quantity fat finger!
            Price.from_str("1.00000"),
        )

        submit_order = SubmitOrder(
            self.trader_id,
            strategy.id,
            None,
            order,
            self.uuid_factory.generate(),
            self.clock.timestamp_ns(),
        )

        # Act
        self.risk_engine.execute(submit_order)

        # Assert
        assert self.exec_engine.command_count == 0  # <-- command never reaches engine

    def test_submit_order_when_invalid_quantity_less_than_minimum_then_denies(self):
        # Arrange
        self.exec_engine.start()

        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        order = strategy.order_factory.limit(
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(1),  # <- invalid quantity
            Price.from_str("1.00000"),
        )

        submit_order = SubmitOrder(
            self.trader_id,
            strategy.id,
            None,
            order,
            self.uuid_factory.generate(),
            self.clock.timestamp_ns(),
        )

        # Act
        self.risk_engine.execute(submit_order)

        # Assert
        assert self.exec_engine.command_count == 0  # <-- command never reaches engine

    def test_submit_order_when_market_order_and_no_market_then_logs_warning(self):
        # Arrange
        self.risk_engine.set_max_notional_per_order(AUDUSD_SIM.id, 1_000_000)

        self.exec_engine.start()

        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        order = strategy.order_factory.market(
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(10000000),
        )

        submit_order = SubmitOrder(
            self.trader_id,
            strategy.id,
            None,
            order,
            self.uuid_factory.generate(),
            self.clock.timestamp_ns(),
        )

        # Act
        self.risk_engine.execute(submit_order)

        # Assert
        assert self.exec_engine.command_count == 1  # <-- command reaches engine with warning

    def test_submit_order_when_market_order_and_over_max_notional_then_denies(self):
        # Arrange
        self.risk_engine.set_max_notional_per_order(AUDUSD_SIM.id, 1_000_000)

        # Initialize market
        quote = TestDataStubs.quote_tick_5decimal(AUDUSD_SIM.id)
        self.cache.add_quote_tick(quote)

        self.exec_engine.start()

        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        order = strategy.order_factory.market(
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(10000000),
        )

        submit_order = SubmitOrder(
            self.trader_id,
            strategy.id,
            None,
            order,
            self.uuid_factory.generate(),
            self.clock.timestamp_ns(),
        )

        # Act
        self.risk_engine.execute(submit_order)

        # Assert
        assert self.exec_engine.command_count == 0  # <-- command never reaches engine

    def test_submit_order_when_reducing_and_buy_order_adds_then_denies(self):
        # Arrange
        self.risk_engine.set_max_notional_per_order(AUDUSD_SIM.id, 1_000_000)

        # Initialize market
        quote = TestDataStubs.quote_tick_5decimal(AUDUSD_SIM.id)
        self.cache.add_quote_tick(quote)

        self.exec_engine.start()

        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        order1 = strategy.order_factory.market(
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
        )

        submit_order1 = SubmitOrder(
            self.trader_id,
            strategy.id,
            None,
            order1,
            self.uuid_factory.generate(),
            self.clock.timestamp_ns(),
        )

        self.risk_engine.execute(submit_order1)
        self.risk_engine.set_trading_state(TradingState.REDUCING)  # <-- allow reducing orders only

        order2 = strategy.order_factory.market(
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
        )

        submit_order2 = SubmitOrder(
            self.trader_id,
            strategy.id,
            None,
            order2,
            self.uuid_factory.generate(),
            self.clock.timestamp_ns(),
        )

        self.exec_engine.process(TestEventStubs.order_submitted(order1))
        self.exec_engine.process(TestEventStubs.order_accepted(order1))
        self.exec_engine.process(TestEventStubs.order_filled(order1, AUDUSD_SIM))

        # Act
        self.risk_engine.execute(submit_order2)

        # Assert
        assert self.portfolio.is_net_long(AUDUSD_SIM.id)
        assert self.exec_engine.command_count == 1  # <-- command never reaches engine

    def test_submit_order_when_reducing_and_sell_order_adds_then_denies(self):
        # Arrange
        self.risk_engine.set_max_notional_per_order(AUDUSD_SIM.id, 1_000_000)

        # Initialize market
        quote = TestDataStubs.quote_tick_5decimal(AUDUSD_SIM.id)
        self.cache.add_quote_tick(quote)

        self.exec_engine.start()

        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        order1 = strategy.order_factory.market(
            AUDUSD_SIM.id,
            OrderSide.SELL,
            Quantity.from_int(100000),
        )

        submit_order1 = SubmitOrder(
            self.trader_id,
            strategy.id,
            None,
            order1,
            self.uuid_factory.generate(),
            self.clock.timestamp_ns(),
        )

        self.risk_engine.execute(submit_order1)
        self.risk_engine.set_trading_state(TradingState.REDUCING)  # <-- allow reducing orders only

        order2 = strategy.order_factory.market(
            AUDUSD_SIM.id,
            OrderSide.SELL,
            Quantity.from_int(100000),
        )

        submit_order2 = SubmitOrder(
            self.trader_id,
            strategy.id,
            None,
            order2,
            self.uuid_factory.generate(),
            self.clock.timestamp_ns(),
        )

        self.exec_engine.process(TestEventStubs.order_submitted(order1))
        self.exec_engine.process(TestEventStubs.order_accepted(order1))
        self.exec_engine.process(TestEventStubs.order_filled(order1, AUDUSD_SIM))

        # Act
        self.risk_engine.execute(submit_order2)

        # Assert
        assert self.portfolio.is_net_short(AUDUSD_SIM.id)
        assert self.exec_engine.command_count == 1  # <-- command never reaches engine

    def test_submit_order_when_trading_halted_then_denies_order(self):
        # Arrange
        self.exec_engine.start()

        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        order = strategy.order_factory.market(
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
        )

        submit_order = SubmitOrder(
            self.trader_id,
            strategy.id,
            None,
            order,
            self.uuid_factory.generate(),
            self.clock.timestamp_ns(),
        )

        # Halt trading
        self.risk_engine.set_trading_state(TradingState.HALTED)

        # Act
        self.risk_engine.execute(submit_order)

        # Assert
        assert self.risk_engine.command_count == 1  # <-- command never reaches engine

    def test_submit_order_list_when_trading_halted_then_denies_orders(self):
        # Arrange
        self.exec_engine.start()

        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        entry = strategy.order_factory.market(
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
        )

        stop_loss = strategy.order_factory.stop_market(  # <-- duplicate
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
            Price.from_str("1.00000"),
        )

        take_profit = strategy.order_factory.limit(
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
            Price.from_str("1.10000"),
        )

        bracket = OrderList(
            list_id=OrderListId("1"),
            orders=[entry, stop_loss, take_profit],
        )

        submit_bracket = SubmitOrderList(
            self.trader_id,
            strategy.id,
            bracket,
            self.uuid_factory.generate(),
            self.clock.timestamp_ns(),
        )

        # Halt trading
        self.risk_engine.set_trading_state(TradingState.HALTED)

        # Act
        self.risk_engine.execute(submit_bracket)

        # Assert
        assert self.risk_engine.command_count == 1  # <-- command never reaches engine

    # -- SUBMIT BRACKET ORDER TESTS ----------------------------------------------------------------

    def test_submit_bracket_with_default_settings_sends_to_client(self):
        # Arrange
        self.exec_engine.start()

        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        bracket = strategy.order_factory.bracket_market(
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
            stop_loss=Price.from_str("1.00000"),
            take_profit=Price.from_str("1.00010"),
        )

        submit_bracket = SubmitOrderList(
            self.trader_id,
            strategy.id,
            bracket,
            self.uuid_factory.generate(),
            self.clock.timestamp_ns(),
        )

        # Act
        self.risk_engine.execute(submit_bracket)

        # Assert
        assert self.exec_engine.command_count == 1
        assert self.exec_client.calls == ["_start", "submit_order_list"]

    def test_submit_bracket_order_with_duplicate_entry_id_then_denies(self):
        # Arrange
        self.exec_engine.start()

        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        bracket = strategy.order_factory.bracket_market(
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
            stop_loss=Price.from_str("1.00000"),
            take_profit=Price.from_str("1.00010"),
        )

        submit_bracket = SubmitOrderList(
            self.trader_id,
            strategy.id,
            bracket,
            self.uuid_factory.generate(),
            self.clock.timestamp_ns(),
        )

        self.risk_engine.execute(submit_bracket)

        # Act
        self.risk_engine.execute(submit_bracket)

        # Assert
        assert self.exec_engine.command_count == 1  # <-- command never reaches engine

    def test_submit_bracket_order_with_duplicate_stop_loss_id_then_denies(self):
        # Arrange
        self.exec_engine.start()

        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        entry1 = strategy.order_factory.market(
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
        )

        stop_loss = strategy.order_factory.stop_market(  # <-- duplicate
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
            Price.from_str("1.00000"),
        )

        take_profit1 = strategy.order_factory.limit(
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
            Price.from_str("1.10000"),
        )

        entry2 = strategy.order_factory.market(
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
        )

        take_profit2 = strategy.order_factory.limit(
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
            Price.from_str("1.10000"),
        )

        bracket1 = OrderList(
            list_id=OrderListId("1"),
            orders=[entry1, stop_loss, take_profit1],
        )

        bracket2 = OrderList(
            list_id=OrderListId("1"),
            orders=[entry2, stop_loss, take_profit2],
        )

        submit_bracket1 = SubmitOrderList(
            self.trader_id,
            strategy.id,
            bracket1,
            self.uuid_factory.generate(),
            self.clock.timestamp_ns(),
        )

        submit_bracket2 = SubmitOrderList(
            self.trader_id,
            strategy.id,
            bracket2,
            self.uuid_factory.generate(),
            self.clock.timestamp_ns(),
        )

        self.risk_engine.execute(submit_bracket1)

        # Act
        self.risk_engine.execute(submit_bracket2)

        # Assert
        assert self.exec_engine.command_count == 1  # <-- command never reaches engine

    def test_submit_bracket_order_with_duplicate_take_profit_id_then_denies(self):
        # Arrange
        self.exec_engine.start()

        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        entry1 = strategy.order_factory.market(
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
        )

        stop_loss1 = strategy.order_factory.stop_market(
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
            Price.from_str("1.00000"),
        )

        take_profit = strategy.order_factory.limit(  # <-- duplicate
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
            Price.from_str("1.10000"),
        )

        entry2 = strategy.order_factory.market(
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
        )

        stop_loss2 = strategy.order_factory.stop_market(
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
            Price.from_str("1.00000"),
        )

        bracket1 = OrderList(
            list_id=OrderListId("1"),
            orders=[entry1, stop_loss1, take_profit],
        )

        bracket2 = OrderList(
            list_id=OrderListId("1"),
            orders=[entry2, stop_loss2, take_profit],
        )

        submit_bracket1 = SubmitOrderList(
            self.trader_id,
            strategy.id,
            bracket1,
            self.uuid_factory.generate(),
            self.clock.timestamp_ns(),
        )

        submit_bracket2 = SubmitOrderList(
            self.trader_id,
            strategy.id,
            bracket2,
            self.uuid_factory.generate(),
            self.clock.timestamp_ns(),
        )

        self.risk_engine.execute(submit_bracket1)

        # Act
        self.risk_engine.execute(submit_bracket2)

        # Assert
        assert self.exec_engine.command_count == 1  # <-- command never reaches engine

    def test_submit_bracket_order_when_instrument_not_in_cache_then_denies(self):
        # Arrange
        self.exec_engine.start()

        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        bracket = strategy.order_factory.bracket_market(
            GBPUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
            stop_loss=Price.from_str("1.00000"),
            take_profit=Price.from_str("1.00010"),
        )

        submit_bracket = SubmitOrderList(
            self.trader_id,
            strategy.id,
            bracket,
            self.uuid_factory.generate(),
            self.clock.timestamp_ns(),
        )

        # Act
        self.risk_engine.execute(submit_bracket)

        # Assert
        assert self.exec_engine.command_count == 0  # <-- command never reaches engine

    # -- UPDATE ORDER TESTS ------------------------------------------------------------------------

    def test_update_order_when_no_order_found_denies(self):
        # Arrange
        self.exec_engine.start()

        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        modify = ModifyOrder(
            self.trader_id,
            strategy.id,
            AUDUSD_SIM.id,
            ClientOrderId("invalid"),
            VenueOrderId("1"),
            Quantity.from_int(100000),
            Price.from_str("1.00010"),
            None,
            self.uuid_factory.generate(),
            self.clock.timestamp_ns(),
        )

        # Act
        self.risk_engine.execute(modify)

        # Assert
        assert self.exec_client.calls == ["_start"]
        assert self.risk_engine.command_count == 1
        assert self.exec_engine.command_count == 0

    def test_update_order_when_already_closed_then_denies(self):
        # Arrange
        self.exec_engine.start()

        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        order = strategy.order_factory.stop_market(
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
            Price.from_str("1.00010"),
        )

        submit = SubmitOrder(
            self.trader_id,
            strategy.id,
            None,
            order,
            self.uuid_factory.generate(),
            self.clock.timestamp_ns(),
        )

        self.risk_engine.execute(submit)

        self.exec_engine.process(TestEventStubs.order_submitted(order))
        self.exec_engine.process(TestEventStubs.order_accepted(order))
        self.exec_engine.process(TestEventStubs.order_filled(order, AUDUSD_SIM))

        modify = ModifyOrder(
            self.trader_id,
            strategy.id,
            order.instrument_id,
            order.client_order_id,
            VenueOrderId("1"),
            order.quantity,
            Price.from_str("1.00010"),
            None,
            self.uuid_factory.generate(),
            self.clock.timestamp_ns(),
        )

        # Act
        self.risk_engine.execute(modify)

        # Assert
        assert self.exec_client.calls == ["_start", "submit_order"]
        assert self.risk_engine.command_count == 2
        assert self.exec_engine.command_count == 1

    def test_update_order_when_in_flight_then_denies(self):
        # Arrange
        self.exec_engine.start()

        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        order = strategy.order_factory.stop_market(
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
            Price.from_str("1.00010"),
        )

        submit = SubmitOrder(
            self.trader_id,
            strategy.id,
            None,
            order,
            self.uuid_factory.generate(),
            self.clock.timestamp_ns(),
        )

        self.risk_engine.execute(submit)

        self.exec_engine.process(TestEventStubs.order_submitted(order))

        modify = ModifyOrder(
            self.trader_id,
            strategy.id,
            order.instrument_id,
            order.client_order_id,
            VenueOrderId("1"),
            order.quantity,
            Price.from_str("1.00010"),
            None,
            self.uuid_factory.generate(),
            self.clock.timestamp_ns(),
        )

        # Act
        self.risk_engine.execute(modify)

        # Assert
        assert self.exec_client.calls == ["_start", "submit_order"]
        assert self.risk_engine.command_count == 2
        assert self.exec_engine.command_count == 1

    def test_modify_order_with_default_settings_then_sends_to_client(self):
        # Arrange
        self.exec_engine.start()

        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        order = strategy.order_factory.stop_market(
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
            Price.from_str("1.00010"),
        )

        submit = SubmitOrder(
            self.trader_id,
            strategy.id,
            None,
            order,
            self.uuid_factory.generate(),
            self.clock.timestamp_ns(),
        )

        modify = ModifyOrder(
            self.trader_id,
            strategy.id,
            order.instrument_id,
            order.client_order_id,
            VenueOrderId("1"),
            order.quantity,
            Price.from_str("1.00010"),
            None,
            self.uuid_factory.generate(),
            self.clock.timestamp_ns(),
        )

        self.risk_engine.execute(submit)

        # Act
        self.risk_engine.execute(modify)

        # Assert
        assert self.exec_client.calls == ["_start", "submit_order", "modify_order"]
        assert self.risk_engine.command_count == 2
        assert self.exec_engine.command_count == 2

    # -- CANCEL ORDER TESTS ------------------------------------------------------------------------

    def test_cancel_order_when_order_does_not_exist_then_denies(self):
        # Arrange
        self.exec_engine.start()

        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        cancel = CancelOrder(
            self.trader_id,
            strategy.id,
            AUDUSD_SIM.id,
            ClientOrderId("1"),
            VenueOrderId("1"),
            self.uuid_factory.generate(),
            self.clock.timestamp_ns(),
        )

        # Act
        self.risk_engine.execute(cancel)

        # Assert
        assert self.exec_client.calls == ["_start"]
        assert self.risk_engine.command_count == 1
        assert self.exec_engine.command_count == 0

    def test_cancel_order_when_already_closed_then_denies(self):
        # Arrange
        self.exec_engine.start()

        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        order = strategy.order_factory.market(
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
        )

        submit = SubmitOrder(
            self.trader_id,
            strategy.id,
            None,
            order,
            self.uuid_factory.generate(),
            self.clock.timestamp_ns(),
        )

        self.risk_engine.execute(submit)
        self.exec_engine.process(TestEventStubs.order_submitted(order))
        self.exec_engine.process(TestEventStubs.order_rejected(order))

        cancel = CancelOrder(
            self.trader_id,
            strategy.id,
            order.instrument_id,
            order.client_order_id,
            VenueOrderId("1"),
            self.uuid_factory.generate(),
            self.clock.timestamp_ns(),
        )

        # Act
        self.risk_engine.execute(cancel)

        # Assert
        assert self.exec_client.calls == ["_start", "submit_order"]
        assert self.risk_engine.command_count == 2
        assert self.exec_engine.command_count == 1

    def test_cancel_order_when_already_pending_cancel_then_denies(self):
        # Arrange
        self.exec_engine.start()

        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        order = strategy.order_factory.market(
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
        )

        submit = SubmitOrder(
            self.trader_id,
            strategy.id,
            None,
            order,
            self.uuid_factory.generate(),
            self.clock.timestamp_ns(),
        )

        cancel = CancelOrder(
            self.trader_id,
            strategy.id,
            order.instrument_id,
            order.client_order_id,
            VenueOrderId("1"),
            self.uuid_factory.generate(),
            self.clock.timestamp_ns(),
        )

        self.risk_engine.execute(submit)
        self.exec_engine.process(TestEventStubs.order_submitted(order))
        self.exec_engine.process(TestEventStubs.order_accepted(order))

        self.risk_engine.execute(cancel)
        self.exec_engine.process(TestEventStubs.order_pending_cancel(order))

        # Act
        self.risk_engine.execute(cancel)

        # Assert
        assert self.exec_client.calls == ["_start", "submit_order", "cancel_order"]
        assert self.risk_engine.command_count == 3
        assert self.exec_engine.command_count == 2

    def test_cancel_order_with_default_settings_then_sends_to_client(self):
        # Arrange
        self.exec_engine.start()

        strategy = TradingStrategy()
        strategy.register(
            trader_id=self.trader_id,
            portfolio=self.portfolio,
            msgbus=self.msgbus,
            cache=self.cache,
            clock=self.clock,
            logger=self.logger,
        )

        order = strategy.order_factory.market(
            AUDUSD_SIM.id,
            OrderSide.BUY,
            Quantity.from_int(100000),
        )

        submit = SubmitOrder(
            self.trader_id,
            strategy.id,
            None,
            order,
            self.uuid_factory.generate(),
            self.clock.timestamp_ns(),
        )

        cancel = CancelOrder(
            self.trader_id,
            strategy.id,
            order.instrument_id,
            order.client_order_id,
            VenueOrderId("1"),
            self.uuid_factory.generate(),
            self.clock.timestamp_ns(),
        )

        self.risk_engine.execute(submit)

        # Act
        self.risk_engine.execute(cancel)

        # Assert
        assert self.exec_client.calls == ["_start", "submit_order", "cancel_order"]
        assert self.risk_engine.command_count == 2
        assert self.exec_engine.command_count == 2
class ExecutionEngineTests(unittest.TestCase):
    def setUp(self):
        # Fixture Setup
        self.clock = TestClock()
        self.uuid_factory = TestUUIDFactory()
        self.logger = TestLogger(self.clock)

        self.trader_id = TraderId("TESTER", "000")
        self.account_id = TestStubs.account_id()

        self.order_factory = OrderFactory(
            strategy_id=StrategyId("S", "001"),
            id_tag_trader=self.trader_id.tag,
            id_tag_strategy=IdTag("001"),
            clock=self.clock,
        )

        self.portfolio = Portfolio(
            clock=self.clock,
            uuid_factory=self.uuid_factory,
            logger=self.logger,
        )

        self.analyzer = PerformanceAnalyzer()

        database = BypassExecutionDatabase(trader_id=self.trader_id,
                                           logger=self.logger)
        self.exec_engine = ExecutionEngine(
            database=database,
            portfolio=self.portfolio,
            clock=self.clock,
            uuid_factory=self.uuid_factory,
            logger=self.logger,
        )

        self.cache = self.exec_engine.cache
        self.exec_engine.process(TestStubs.event_account_state())

        self.venue = Venue("FXCM")
        self.exec_client = MockExecutionClient(
            self.venue,
            self.account_id,
            self.exec_engine,
            self.logger,
        )

        self.exec_engine.register_client(self.exec_client)

    def test_register_strategy(self):
        # Arrange
        strategy = TradingStrategy(order_id_tag="001")
        strategy.register_trader(
            TraderId("TESTER", "000"),
            clock=self.clock,
            uuid_factory=TestUUIDFactory(),
            logger=self.logger,
        )

        # Act
        self.exec_engine.register_strategy(strategy)

        # Assert
        self.assertTrue(
            strategy.id in self.exec_engine.registered_strategies())

    def test_deregister_strategy(self):
        # Arrange
        strategy = TradingStrategy(order_id_tag="001")
        strategy.register_trader(
            TraderId("TESTER", "000"),
            clock=self.clock,
            uuid_factory=TestUUIDFactory(),
            logger=self.logger,
        )

        self.exec_engine.register_strategy(strategy)

        # Act
        self.exec_engine.deregister_strategy(strategy)

        # Assert
        self.assertTrue(
            strategy.id not in self.exec_engine.registered_strategies())

    def test_is_flat_when_strategy_registered_returns_true(self):
        # Arrange
        strategy = TradingStrategy(order_id_tag="001")
        strategy.register_trader(
            TraderId("TESTER", "000"),
            clock=self.clock,
            uuid_factory=TestUUIDFactory(),
            logger=self.logger,
        )

        # Act
        self.exec_engine.register_strategy(strategy)

        # Assert
        self.assertTrue(
            self.exec_engine.cache.is_flat(strategy_id=strategy.id))
        self.assertTrue(self.exec_engine.cache.is_flat())

    def test_is_flat_when_no_registered_strategies_returns_true(self):
        # Arrange
        # Act
        # Assert
        self.assertTrue(self.exec_engine.cache.is_flat())

    def test_reset_execution_engine(self):
        strategy = TradingStrategy(order_id_tag="001")
        strategy.register_trader(
            TraderId("TESTER", "000"),
            clock=self.clock,
            uuid_factory=TestUUIDFactory(),
            logger=self.logger,
        )

        self.exec_engine.register_strategy(
            strategy)  # Also registers with portfolio

        # Act
        self.exec_engine.reset()

        # Assert
        self.assertTrue(
            strategy.id in self.exec_engine.registered_strategies())

    def test_submit_order(self):
        # Arrange
        strategy = TradingStrategy(order_id_tag="001")
        strategy.register_trader(
            TraderId("TESTER", "000"),
            clock=self.clock,
            uuid_factory=TestUUIDFactory(),
            logger=self.logger,
        )

        self.exec_engine.register_strategy(strategy)

        order = strategy.order_factory.market(
            AUDUSD_FXCM,
            OrderSide.BUY,
            Quantity(100000),
        )

        submit_order = SubmitOrder(
            self.venue,
            self.trader_id,
            self.account_id,
            strategy.id,
            PositionId.py_null(),
            order,
            self.uuid_factory.generate(),
            self.clock.utc_now(),
        )

        # Act
        self.exec_engine.execute(submit_order)

        # Assert
        self.assertIn(submit_order, self.exec_client.received_commands)
        self.assertTrue(self.cache.order_exists(order.cl_ord_id))

    def test_handle_order_fill_event(self):
        # Arrange
        strategy = TradingStrategy(order_id_tag="001")
        strategy.register_trader(
            TraderId("TESTER", "000"),
            clock=self.clock,
            uuid_factory=TestUUIDFactory(),
            logger=self.logger,
        )

        self.exec_engine.register_strategy(strategy)

        order = strategy.order_factory.market(
            AUDUSD_FXCM,
            OrderSide.BUY,
            Quantity(100000),
        )

        submit_order = SubmitOrder(
            self.venue,
            self.trader_id,
            self.account_id,
            strategy.id,
            PositionId.py_null(),
            order,
            self.uuid_factory.generate(),
            self.clock.utc_now(),
        )

        self.exec_engine.execute(submit_order)

        # Act
        self.exec_engine.process(TestStubs.event_order_submitted(order))
        self.exec_engine.process(TestStubs.event_order_accepted(order))
        self.exec_engine.process(TestStubs.event_order_filled(order))

        expected_position_id = PositionId(
            "O-19700101-000000-000-001-1")  # Stubbed from order id?

        # Assert
        self.assertTrue(self.cache.position_exists(expected_position_id))
        self.assertTrue(self.cache.is_position_open(expected_position_id))
        self.assertFalse(self.cache.is_position_closed(expected_position_id))
        self.assertFalse(
            self.exec_engine.cache.is_flat(strategy_id=strategy.id))
        self.assertFalse(self.exec_engine.cache.is_flat())
        self.assertEqual(Position,
                         type(self.cache.position(expected_position_id)))
        self.assertTrue(expected_position_id in self.cache.position_ids())
        self.assertTrue(
            expected_position_id not in self.cache.position_closed_ids(
                strategy_id=strategy.id))
        self.assertTrue(
            expected_position_id not in self.cache.position_closed_ids())
        self.assertTrue(expected_position_id in self.cache.position_open_ids(
            strategy_id=strategy.id))
        self.assertTrue(expected_position_id in self.cache.position_open_ids())
        self.assertEqual(1, self.cache.positions_total_count())
        self.assertEqual(1, self.cache.positions_open_count())
        self.assertEqual(0, self.cache.positions_closed_count())
        self.assertTrue(self.cache.position_exists_for_order(order.cl_ord_id))

    def test_handle_position_opening_with_position_id_none(self):
        # Arrange
        strategy = TradingStrategy(order_id_tag="001")
        strategy.register_trader(
            TraderId("TESTER", "000"),
            clock=self.clock,
            uuid_factory=TestUUIDFactory(),
            logger=self.logger,
        )

        self.exec_engine.register_strategy(strategy)

        order = strategy.order_factory.market(
            AUDUSD_FXCM,
            OrderSide.BUY,
            Quantity(100000),
        )

        submit_order = SubmitOrder(self.venue, self.trader_id, self.account_id,
                                   strategy.id, PositionId.py_null(), order,
                                   self.uuid_factory.generate(),
                                   self.clock.utc_now())

        self.exec_engine.execute(submit_order)

        # Act
        self.exec_engine.process(TestStubs.event_order_submitted(order))
        self.exec_engine.process(TestStubs.event_order_accepted(order))
        self.exec_engine.process(TestStubs.event_order_filled(order))

        expected_id = PositionId(
            "O-19700101-000000-000-001-1")  # Stubbed from order id

        # Assert
        self.assertTrue(self.cache.position_exists(expected_id))
        self.assertTrue(self.cache.is_position_open(expected_id))
        self.assertFalse(self.cache.is_position_closed(expected_id))
        self.assertFalse(
            self.exec_engine.cache.is_flat(strategy_id=strategy.id))
        self.assertFalse(self.exec_engine.cache.is_flat())
        self.assertEqual(Position, type(self.cache.position(expected_id)))
        self.assertTrue(expected_id in self.cache.position_ids())
        self.assertTrue(expected_id not in self.cache.position_closed_ids(
            strategy_id=strategy.id))
        self.assertTrue(expected_id not in self.cache.position_closed_ids())
        self.assertTrue(expected_id in self.cache.position_open_ids(
            strategy_id=strategy.id))
        self.assertTrue(expected_id in self.cache.position_open_ids())
        self.assertEqual(1, self.cache.positions_total_count())
        self.assertEqual(1, self.cache.positions_open_count())
        self.assertEqual(0, self.cache.positions_closed_count())
        self.assertTrue(self.cache.position_exists_for_order(order.cl_ord_id))

    def test_add_to_existing_position_on_order_fill(self):
        # Arrange
        strategy = TradingStrategy(order_id_tag="001")
        strategy.register_trader(
            TraderId("TESTER", "000"),
            clock=self.clock,
            uuid_factory=TestUUIDFactory(),
            logger=self.logger,
        )

        self.exec_engine.register_strategy(strategy)

        order1 = strategy.order_factory.market(
            AUDUSD_FXCM,
            OrderSide.BUY,
            Quantity(100000),
        )

        order2 = strategy.order_factory.market(
            AUDUSD_FXCM,
            OrderSide.BUY,
            Quantity(100000),
        )

        submit_order1 = SubmitOrder(
            self.venue,
            self.trader_id,
            self.account_id,
            strategy.id,
            PositionId.py_null(),
            order1,
            self.uuid_factory.generate(),
            self.clock.utc_now(),
        )

        self.exec_engine.execute(submit_order1)
        self.exec_engine.process(TestStubs.event_order_submitted(order1))
        self.exec_engine.process(TestStubs.event_order_accepted(order1))
        self.exec_engine.process(TestStubs.event_order_filled(order1))

        expected_position_id = PositionId(
            "O-19700101-000000-000-001-1")  # Stubbed from order id?

        submit_order2 = SubmitOrder(
            self.venue,
            self.trader_id,
            self.account_id,
            strategy.id,
            expected_position_id,
            order2,
            self.uuid_factory.generate(),
            self.clock.utc_now(),
        )

        # Act
        self.exec_engine.execute(submit_order2)
        self.exec_engine.process(TestStubs.event_order_submitted(order2))
        self.exec_engine.process(TestStubs.event_order_accepted(order2))
        self.exec_engine.process(
            TestStubs.event_order_filled(order2, expected_position_id))

        # Assert
        self.assertTrue(
            self.cache.position_exists(
                TestStubs.event_order_filled(order1).position_id))
        self.assertTrue(self.cache.is_position_open(expected_position_id))
        self.assertFalse(self.cache.is_position_closed(expected_position_id))
        self.assertFalse(self.cache.is_flat(strategy_id=strategy.id))
        self.assertFalse(self.cache.is_flat())
        self.assertEqual(Position,
                         type(self.cache.position(expected_position_id)))
        self.assertEqual(
            0, len(self.cache.positions_closed(strategy_id=strategy.id)))
        self.assertEqual(0, len(self.cache.positions_closed()))
        self.assertEqual(
            1, len(self.cache.positions_open(strategy_id=strategy.id)))
        self.assertEqual(1, len(self.cache.positions_open()))
        self.assertEqual(1, self.cache.positions_total_count())
        self.assertEqual(1, self.cache.positions_open_count())
        self.assertEqual(0, self.cache.positions_closed_count())

    def test_close_position_on_order_fill(self):
        # Arrange
        strategy = TradingStrategy(order_id_tag="001")
        strategy.register_trader(
            TraderId("TESTER", "000"),
            clock=self.clock,
            uuid_factory=TestUUIDFactory(),
            logger=self.logger,
        )

        self.exec_engine.register_strategy(strategy)

        order1 = strategy.order_factory.stop(
            AUDUSD_FXCM,
            OrderSide.BUY,
            Quantity(100000),
            Price("1.00000"),
        )

        order2 = strategy.order_factory.stop(
            AUDUSD_FXCM,
            OrderSide.SELL,
            Quantity(100000),
            Price("1.00000"),
        )

        submit_order1 = SubmitOrder(
            self.venue,
            self.trader_id,
            self.account_id,
            strategy.id,
            PositionId.py_null(),
            order1,
            self.uuid_factory.generate(),
            self.clock.utc_now(),
        )

        position_id = PositionId("P-1")

        self.exec_engine.execute(submit_order1)
        self.exec_engine.process(TestStubs.event_order_submitted(order1))
        self.exec_engine.process(TestStubs.event_order_accepted(order1))
        self.exec_engine.process(
            TestStubs.event_order_filled(order1, position_id))

        submit_order2 = SubmitOrder(
            self.venue,
            self.trader_id,
            self.account_id,
            strategy.id,
            position_id,
            order2,
            self.uuid_factory.generate(),
            self.clock.utc_now(),
        )

        # Act
        self.exec_engine.execute(submit_order2)
        self.exec_engine.process(TestStubs.event_order_submitted(order2))
        self.exec_engine.process(TestStubs.event_order_accepted(order2))
        self.exec_engine.process(
            TestStubs.event_order_filled(order2, position_id))

        # # Assert
        self.assertTrue(self.cache.position_exists(position_id))
        self.assertFalse(self.cache.is_position_open(position_id))
        self.assertTrue(self.cache.is_position_closed(position_id))
        self.assertTrue(self.cache.is_flat(strategy_id=strategy.id))
        self.assertTrue(self.cache.is_flat())
        self.assertEqual(position_id, self.cache.position(position_id).id)
        self.assertEqual(position_id,
                         self.cache.positions(strategy_id=strategy.id)[0].id)
        self.assertEqual(position_id, self.cache.positions()[0].id)
        self.assertEqual(
            0, len(self.cache.positions_open(strategy_id=strategy.id)))
        self.assertEqual(0, len(self.cache.positions_open()))
        self.assertEqual(
            position_id,
            self.cache.positions_closed(strategy_id=strategy.id)[0].id)
        self.assertEqual(position_id, self.cache.positions_closed()[0].id)
        self.assertTrue(position_id not in self.cache.position_open_ids(
            strategy_id=strategy.id))
        self.assertTrue(position_id not in self.cache.position_open_ids())
        self.assertEqual(1, self.cache.positions_total_count())
        self.assertEqual(0, self.cache.positions_open_count())
        self.assertEqual(1, self.cache.positions_closed_count())

    def test_multiple_strategy_positions_opened(self):
        # Arrange
        strategy1 = TradingStrategy(order_id_tag="001")
        strategy1.register_trader(
            TraderId("TESTER", "000"),
            clock=self.clock,
            uuid_factory=TestUUIDFactory(),
            logger=self.logger,
        )

        strategy2 = TradingStrategy(order_id_tag="002")
        strategy2.register_trader(
            TraderId("TESTER", "000"),
            clock=self.clock,
            uuid_factory=TestUUIDFactory(),
            logger=self.logger,
        )

        self.exec_engine.register_strategy(strategy1)
        self.exec_engine.register_strategy(strategy2)

        order1 = strategy1.order_factory.stop(
            AUDUSD_FXCM,
            OrderSide.BUY,
            Quantity(100000),
            Price("1.00000"),
        )

        order2 = strategy2.order_factory.stop(
            AUDUSD_FXCM,
            OrderSide.BUY,
            Quantity(100000),
            Price("1.00000"),
        )

        submit_order1 = SubmitOrder(
            self.venue,
            self.trader_id,
            self.account_id,
            strategy1.id,
            PositionId.py_null(),
            order1,
            self.uuid_factory.generate(),
            self.clock.utc_now(),
        )

        submit_order2 = SubmitOrder(
            self.venue,
            self.trader_id,
            self.account_id,
            strategy2.id,
            PositionId.py_null(),
            order2,
            self.uuid_factory.generate(),
            self.clock.utc_now(),
        )

        position1_id = PositionId('P-1')
        position2_id = PositionId('P-2')

        # Act
        self.exec_engine.execute(submit_order1)
        self.exec_engine.execute(submit_order2)
        self.exec_engine.process(TestStubs.event_order_submitted(order1))
        self.exec_engine.process(TestStubs.event_order_accepted(order1))
        self.exec_engine.process(
            TestStubs.event_order_filled(order1, position1_id))
        self.exec_engine.process(TestStubs.event_order_submitted(order2))
        self.exec_engine.process(TestStubs.event_order_accepted(order2))
        self.exec_engine.process(
            TestStubs.event_order_filled(order2, position2_id))

        # Assert
        self.assertTrue(self.cache.position_exists(position1_id))
        self.assertTrue(self.cache.position_exists(position2_id))
        self.assertTrue(self.cache.is_position_open(position1_id))
        self.assertTrue(self.cache.is_position_open(position2_id))
        self.assertFalse(self.cache.is_position_closed(position1_id))
        self.assertFalse(self.cache.is_position_closed(position2_id))
        self.assertFalse(self.cache.is_flat(strategy_id=strategy1.id))
        self.assertFalse(self.cache.is_flat(strategy_id=strategy2.id))
        self.assertFalse(self.cache.is_flat())
        self.assertEqual(Position, type(self.cache.position(position1_id)))
        self.assertEqual(Position, type(self.cache.position(position2_id)))
        self.assertTrue(position1_id in self.cache.position_ids(
            strategy_id=strategy1.id))
        self.assertTrue(position2_id in self.cache.position_ids(
            strategy_id=strategy2.id))
        self.assertTrue(position1_id in self.cache.position_ids())
        self.assertTrue(position2_id in self.cache.position_ids())
        self.assertEqual(2, len(self.cache.position_open_ids()))
        self.assertEqual(
            1, len(self.cache.positions_open(strategy_id=strategy1.id)))
        self.assertEqual(
            1, len(self.cache.positions_open(strategy_id=strategy2.id)))
        self.assertEqual(
            1, len(self.cache.positions_open(strategy_id=strategy2.id)))
        self.assertEqual(2, len(self.cache.positions_open()))
        self.assertEqual(
            1, len(self.cache.positions_open(strategy_id=strategy1.id)))
        self.assertEqual(
            1, len(self.cache.positions_open(strategy_id=strategy2.id)))
        self.assertTrue(position1_id in self.cache.position_open_ids(
            strategy_id=strategy1.id))
        self.assertTrue(position2_id in self.cache.position_open_ids(
            strategy_id=strategy2.id))
        self.assertTrue(position1_id in self.cache.position_open_ids())
        self.assertTrue(position2_id in self.cache.position_open_ids())
        self.assertTrue(position1_id not in self.cache.position_closed_ids(
            strategy_id=strategy1.id))
        self.assertTrue(position2_id not in self.cache.position_closed_ids(
            strategy_id=strategy2.id))
        self.assertTrue(position1_id not in self.cache.position_closed_ids())
        self.assertTrue(position2_id not in self.cache.position_closed_ids())
        self.assertEqual(2, self.cache.positions_total_count())
        self.assertEqual(2, self.cache.positions_open_count())
        self.assertEqual(0, self.cache.positions_closed_count())

    def test_multiple_strategy_positions_one_active_one_closed(self):
        # Arrange
        strategy1 = TradingStrategy(order_id_tag="001")
        strategy1.register_trader(
            TraderId("TESTER", "000"),
            clock=self.clock,
            uuid_factory=TestUUIDFactory(),
            logger=self.logger,
        )

        strategy2 = TradingStrategy(order_id_tag="002")
        strategy2.register_trader(
            TraderId("TESTER", "000"),
            clock=self.clock,
            uuid_factory=TestUUIDFactory(),
            logger=self.logger,
        )

        self.exec_engine.register_strategy(strategy1)
        self.exec_engine.register_strategy(strategy2)

        order1 = strategy1.order_factory.stop(
            AUDUSD_FXCM,
            OrderSide.BUY,
            Quantity(100000),
            Price("1.00000"),
        )

        order2 = strategy1.order_factory.stop(
            AUDUSD_FXCM,
            OrderSide.SELL,
            Quantity(100000),
            Price("1.00000"),
        )

        order3 = strategy2.order_factory.stop(
            AUDUSD_FXCM,
            OrderSide.BUY,
            Quantity(100000),
            Price("1.00000"),
        )

        submit_order1 = SubmitOrder(
            self.venue,
            self.trader_id,
            self.account_id,
            strategy1.id,
            PositionId.py_null(),
            order1,
            self.uuid_factory.generate(),
            self.clock.utc_now(),
        )

        position_id1 = PositionId('P-1')

        submit_order2 = SubmitOrder(
            self.venue,
            self.trader_id,
            self.account_id,
            strategy1.id,
            position_id1,
            order2,
            self.uuid_factory.generate(),
            self.clock.utc_now(),
        )

        submit_order3 = SubmitOrder(
            self.venue,
            self.trader_id,
            self.account_id,
            strategy2.id,
            PositionId.py_null(),
            order3,
            self.uuid_factory.generate(),
            self.clock.utc_now(),
        )

        position_id2 = PositionId('P-2')

        # Act
        self.exec_engine.execute(submit_order1)
        self.exec_engine.process(TestStubs.event_order_submitted(order1))
        self.exec_engine.process(TestStubs.event_order_accepted(order1))
        self.exec_engine.process(
            TestStubs.event_order_filled(order1, position_id1))

        self.exec_engine.execute(submit_order2)
        self.exec_engine.process(TestStubs.event_order_submitted(order2))
        self.exec_engine.process(TestStubs.event_order_accepted(order2))
        self.exec_engine.process(
            TestStubs.event_order_filled(order2, position_id1))

        self.exec_engine.execute(submit_order3)
        self.exec_engine.process(TestStubs.event_order_submitted(order3))
        self.exec_engine.process(TestStubs.event_order_accepted(order3))
        self.exec_engine.process(
            TestStubs.event_order_filled(order3, position_id2))

        # Assert
        # Already tested .is_position_active and .is_position_closed above
        self.assertTrue(self.cache.position_exists(position_id1))
        self.assertTrue(self.cache.position_exists(position_id2))
        self.assertTrue(self.cache.is_flat(strategy_id=strategy1.id))
        self.assertFalse(self.cache.is_flat(strategy_id=strategy2.id))
        self.assertFalse(self.cache.is_flat())
        self.assertTrue(position_id1 in self.cache.position_ids(
            strategy_id=strategy1.id))
        self.assertTrue(position_id2 in self.cache.position_ids(
            strategy_id=strategy2.id))
        self.assertTrue(position_id1 in self.cache.position_ids())
        self.assertTrue(position_id2 in self.cache.position_ids())
        self.assertEqual(
            0, len(self.cache.positions_open(strategy_id=strategy1.id)))
        self.assertEqual(
            1, len(self.cache.positions_open(strategy_id=strategy2.id)))
        self.assertEqual(1, len(self.cache.positions_open()))
        self.assertEqual(1, len(self.cache.positions_closed()))
        self.assertEqual(2, len(self.cache.positions()))
        self.assertTrue(position_id1 not in self.cache.position_open_ids(
            strategy_id=strategy1.id))
        self.assertTrue(position_id2 in self.cache.position_open_ids(
            strategy_id=strategy2.id))
        self.assertTrue(position_id1 not in self.cache.position_open_ids())
        self.assertTrue(position_id2 in self.cache.position_open_ids())
        self.assertTrue(position_id1 in self.cache.position_closed_ids(
            strategy_id=strategy1.id))
        self.assertTrue(position_id2 not in self.cache.position_closed_ids(
            strategy_id=strategy2.id))
        self.assertTrue(position_id1 in self.cache.position_closed_ids())
        self.assertTrue(position_id2 not in self.cache.position_closed_ids())
        self.assertEqual(2, self.cache.positions_total_count())
        self.assertEqual(1, self.cache.positions_open_count())
        self.assertEqual(1, self.cache.positions_closed_count())

    def test_flip_position_on_opposite_filled_same_position(self):
        # Arrange
        strategy = TradingStrategy(order_id_tag="001")
        strategy.register_trader(
            TraderId("TESTER", "000"),
            clock=self.clock,
            uuid_factory=TestUUIDFactory(),
            logger=self.logger,
        )

        self.exec_engine.register_strategy(strategy)

        order1 = strategy.order_factory.market(
            AUDUSD_FXCM,
            OrderSide.BUY,
            Quantity(100000),
        )

        order2 = strategy.order_factory.market(
            AUDUSD_FXCM,
            OrderSide.SELL,
            Quantity(150000),
        )

        submit_order1 = SubmitOrder(
            self.venue,
            self.trader_id,
            self.account_id,
            strategy.id,
            PositionId.py_null(),
            order1,
            self.uuid_factory.generate(),
            self.clock.utc_now(),
        )

        position_id = PositionId("P-000-AUD/USD.FXCM-1")

        self.exec_engine.execute(submit_order1)
        self.exec_engine.process(TestStubs.event_order_submitted(order1))
        self.exec_engine.process(TestStubs.event_order_accepted(order1))
        self.exec_engine.process(
            TestStubs.event_order_filled(order1, position_id))

        submit_order2 = SubmitOrder(
            self.venue,
            self.trader_id,
            self.account_id,
            strategy.id,
            position_id,
            order2,
            self.uuid_factory.generate(),
            self.clock.utc_now(),
        )

        # Act
        self.exec_engine.execute(submit_order2)
        self.exec_engine.process(TestStubs.event_order_submitted(order2))
        self.exec_engine.process(TestStubs.event_order_accepted(order2))
        self.exec_engine.process(
            TestStubs.event_order_filled(order2, position_id))

        position_id_flipped = PositionId("P-000-AUD/USD.FXCM-1F")
        order_id_flipped = ClientOrderId(order2.cl_ord_id.value + 'F')

        # Assert
        self.assertTrue(self.cache.position_exists(position_id))
        self.assertTrue(self.cache.position_exists(position_id_flipped))
        self.assertTrue(self.cache.is_position_closed(position_id))
        self.assertTrue(self.cache.is_position_open(position_id_flipped))
        self.assertFalse(self.cache.is_flat(strategy_id=strategy.id))
        self.assertTrue(position_id in self.cache.position_ids())
        self.assertTrue(position_id in self.cache.position_ids(
            strategy_id=strategy.id))
        self.assertTrue(position_id_flipped in self.cache.position_ids())
        self.assertTrue(position_id_flipped in self.cache.position_ids(
            strategy_id=strategy.id))
        self.assertTrue(order_id_flipped,
                        self.cache.position_exists_for_order(order_id_flipped))
        self.assertEqual(2, self.cache.positions_total_count())
        self.assertEqual(1, self.cache.positions_open_count())
        self.assertEqual(1, self.cache.positions_closed_count())