def test_get_bar_count_for_unknown_bar_type_returns_zero(self):
# Arrange
strategy = TradingStrategy(order_id_tag='001')
bar_type = TestStubs.bartype_gbpusd_1sec_mid()
# Act
result = strategy.bar_count(bar_type)
# Assert
self.assertEqual(0, result)
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())
