class MexcExchangeTests(TestCase):
    # the level is required to receive logs from the data source loger
    level = 0

    start_timestamp: float = pd.Timestamp("2021-01-01", tz="UTC").timestamp()

    @classmethod
    def setUpClass(cls) -> None:
        super().setUpClass()
        cls.base_asset = "MX"
        cls.quote_asset = "USDT"
        cls.trading_pair = f"{cls.base_asset}-{cls.quote_asset}"
        cls.ev_loop = asyncio.get_event_loop()

    def setUp(self) -> None:
        super().setUp()

        self.tracker_task = None
        self.exchange_task = None
        self.log_records = []
        self.resume_test_event = asyncio.Event()
        self._account_name = "hbot"
        self.client_config_map = ClientConfigAdapter(ClientConfigMap())

        self.exchange = MexcExchange(
            client_config_map=self.client_config_map,
            mexc_api_key='testAPIKey',
            mexc_secret_key='testSecret',
            trading_pairs=[self.trading_pair])

        self.exchange.logger().setLevel(1)
        self.exchange.logger().addHandler(self)
        self.exchange._account_id = 1

        self.mocking_assistant = NetworkMockingAssistant()
        self.mock_done_event = asyncio.Event()

    def tearDown(self) -> None:
        self.tracker_task and self.tracker_task.cancel()
        self.exchange_task and self.exchange_task.cancel()
        super().tearDown()

    def handle(self, record):
        self.log_records.append(record)

    def _is_logged(self, log_level: str, message: str) -> bool:
        return any(record.levelname == log_level and record.getMessage() == message
                   for record in self.log_records)

    def async_run_with_timeout(self, coroutine: Awaitable, timeout: float = 1):
        ret = self.ev_loop.run_until_complete(asyncio.wait_for(coroutine, timeout))
        return ret

    def _return_calculation_and_set_done_event(self, calculation: Callable, *args, **kwargs):
        if self.resume_test_event.is_set():
            raise asyncio.CancelledError
        self.resume_test_event.set()
        return calculation(*args, **kwargs)

    def _create_exception_and_unlock_test_with_event(self, exception):
        self.resume_test_event.set()
        raise exception

    def _mock_responses_done_callback(self, *_, **__):
        self.mock_done_event.set()

    def _simulate_reset_poll_notifier(self):
        self.exchange._poll_notifier.clear()

    def _simulate_ws_message_received(self, timestamp: float):
        self.exchange._user_stream_tracker._data_source._last_recv_time = timestamp

    def _simulate_trading_rules_initialized(self):
        self.exchange._trading_rules = {
            self.trading_pair: TradingRule(
                trading_pair=self.trading_pair,
                min_order_size=4,
                min_price_increment=Decimal(str(0.0001)),
                min_base_amount_increment=2,
                min_notional_size=Decimal(str(5))
            )
        }

    @property
    def order_book_data(self):
        _data = {"code": 200, "data": {
            "asks": [{"price": "56454.0", "quantity": "0.799072"}, {"price": "56455.28", "quantity": "0.008663"}],
            "bids": [{"price": "56451.0", "quantity": "0.008663"}, {"price": "56449.99", "quantity": "0.173078"}],
            "version": "547878563"}}
        return _data

    def _simulate_create_order(self,
                               trade_type: TradeType,
                               order_id: str,
                               trading_pair: str,
                               amount: Decimal,
                               price: Decimal = Decimal("0"),
                               order_type: OrderType = OrderType.MARKET):
        future = safe_ensure_future(
            self.exchange.execute_buy(order_id, trading_pair, amount, order_type, price)
        )
        self.exchange.start_tracking_order(
            order_id, None, self.trading_pair, TradeType.BUY, Decimal(10.0), Decimal(1.0), OrderType.LIMIT
        )
        return future

    @patch("aiohttp.ClientSession.ws_connect", new_callable=AsyncMock)
    def test_user_event_queue_error_is_logged(self, ws_connect_mock):
        ws_connect_mock.return_value = self.mocking_assistant.create_websocket_mock()

        self.exchange_task = asyncio.get_event_loop().create_task(
            self.exchange._user_stream_event_listener())

        dummy_user_stream = AsyncMock()
        dummy_user_stream.get.side_effect = lambda: self._create_exception_and_unlock_test_with_event(
            Exception("Dummy test error"))
        self.exchange._user_stream_tracker._user_stream = dummy_user_stream

        # Add a dummy message for the websocket to read and include in the "messages" queue
        self.mocking_assistant.add_websocket_text_message(ws_connect_mock,
                                                          ujson.dumps({'channel': 'push.personal.order'}))
        self.async_run_with_timeout(self.resume_test_event.wait())
        self.resume_test_event.clear()

        try:
            self.exchange_task.cancel()
            self.async_run_with_timeout(self.exchange_task)
        except asyncio.CancelledError:
            pass
        except Exception:
            pass

        self.assertTrue(self._is_logged('ERROR', "Unknown error. Retrying after 1 second. Dummy test error"))

    def test_user_event_queue_notifies_cancellations(self):
        self.tracker_task = asyncio.get_event_loop().create_task(
            self.exchange._user_stream_event_listener())

        dummy_user_stream = AsyncMock()
        dummy_user_stream.get.side_effect = lambda: self._create_exception_and_unlock_test_with_event(
            asyncio.CancelledError())
        self.exchange._user_stream_tracker._user_stream = dummy_user_stream

        with self.assertRaises(asyncio.CancelledError):
            self.async_run_with_timeout(self.tracker_task)

    def test_exchange_logs_unknown_event_message(self):
        payload = {'channel': 'test'}
        mock_user_stream = AsyncMock()
        mock_user_stream.get.side_effect = functools.partial(self._return_calculation_and_set_done_event,
                                                             lambda: payload)

        self.exchange._user_stream_tracker._user_stream = mock_user_stream
        self.exchange_task = asyncio.get_event_loop().create_task(
            self.exchange._user_stream_event_listener())
        self.async_run_with_timeout(self.resume_test_event.wait())

        self.assertTrue(self._is_logged('DEBUG', f"Unknown event received from the connector ({payload})"))

    @property
    def balances_mock_data(self):
        return {
            "code": 200,
            "data": {
                "MX": {
                    "frozen": "30.9863",
                    "available": "450.0137"
                }
            }
        }

    @property
    def user_stream_data(self):
        return {
            'symbol': 'MX_USDT',
            'data': {
                'price': 3.1504,
                'quantity': 2,
                'amount': 6.3008,
                'remainAmount': 6.3008,
                'remainQuantity': 2,
                'remainQ': 2,
                'id': '40728558ead64032a676e6f0a4afc4ca',
                'status': 4,
                'tradeType': 2,
                'createTime': 1638156451000,
                'symbolDisplay': 'MX_USDT',
                'clientOrderId': 'sell-MX-USDT-1638156451005305'},
            'channel': 'push.personal.order', 'symbol_display': 'MX_USDT'}

    @aioresponses()
    def test_order_event_with_cancel_status_cancels_in_flight_order(self, mock_api):
        mock_response = self.balances_mock_data
        url = CONSTANTS.MEXC_BASE_URL + CONSTANTS.MEXC_BALANCE_URL
        regex_url = re.compile(f"^{url}".replace(".", r"\.").replace("?", r"\?"))
        mock_api.get(
            regex_url,
            body=json.dumps(mock_response),
        )

        self.exchange.start_tracking_order(order_id="sell-MX-USDT-1638156451005305",
                                           exchange_order_id="40728558ead64032a676e6f0a4afc4ca",
                                           trading_pair="MX-USDT",
                                           trade_type=TradeType.SELL,
                                           price=Decimal("3.1504"),
                                           amount=Decimal("6.3008"),
                                           order_type=OrderType.LIMIT)

        inflight_order = self.exchange.in_flight_orders["sell-MX-USDT-1638156451005305"]

        mock_user_stream = AsyncMock()
        mock_user_stream.get.side_effect = [self.user_stream_data, asyncio.CancelledError]

        self.exchange._user_stream_tracker._user_stream = mock_user_stream

        try:
            self.async_run_with_timeout(self.exchange._user_stream_event_listener(), 1000000)
        except asyncio.CancelledError:
            pass

        self.assertEqual("CANCELED", inflight_order.last_state)
        self.assertTrue(inflight_order.is_cancelled)
        self.assertFalse(inflight_order.client_order_id in self.exchange.in_flight_orders)
        self.assertTrue(self._is_logged("INFO", f"Order {inflight_order.client_order_id} "
                                                f"has been canceled according to order delta websocket API."))
        self.assertEqual(1, len(self.exchange.event_logs))
        cancel_event = self.exchange.event_logs[0]
        self.assertEqual(OrderCancelledEvent, type(cancel_event))
        self.assertEqual(inflight_order.client_order_id, cancel_event.order_id)

    @aioresponses()
    def test_order_event_with_rejected_status_makes_in_flight_order_fail(self, mock_api):
        mock_response = self.balances_mock_data
        url = CONSTANTS.MEXC_BASE_URL + CONSTANTS.MEXC_BALANCE_URL
        regex_url = re.compile(f"^{url}".replace(".", r"\.").replace("?", r"\?"))
        mock_api.get(
            regex_url,
            body=json.dumps(mock_response),
        )
        self.exchange.start_tracking_order(order_id="sell-MX-USDT-1638156451005305",
                                           exchange_order_id="40728558ead64032a676e6f0a4afc4ca",
                                           trading_pair="MX-USDT",
                                           trade_type=TradeType.SELL,
                                           price=Decimal("3.1504"),
                                           amount=Decimal("6.3008"),
                                           order_type=OrderType.LIMIT)

        inflight_order = self.exchange.in_flight_orders["sell-MX-USDT-1638156451005305"]
        stream_data = self.user_stream_data
        stream_data.get("data")["status"] = 5
        mock_user_stream = AsyncMock()
        mock_user_stream.get.side_effect = [stream_data, asyncio.CancelledError]
        self.exchange._user_stream_tracker._user_stream = mock_user_stream
        try:
            self.async_run_with_timeout(self.exchange._user_stream_event_listener(), 1000000)
        except asyncio.CancelledError:
            pass

        self.assertEqual("PARTIALLY_CANCELED", inflight_order.last_state)
        self.assertTrue(inflight_order.is_failure)
        self.assertFalse(inflight_order.client_order_id in self.exchange.in_flight_orders)
        self.assertTrue(self._is_logged("INFO", f"Order {inflight_order.client_order_id} "
                                                f"has been canceled according to order delta websocket API."))
        self.assertEqual(1, len(self.exchange.event_logs))
        failure_event = self.exchange.event_logs[0]
        self.assertEqual(OrderCancelledEvent, type(failure_event))
        self.assertEqual(inflight_order.client_order_id, failure_event.order_id)

    @aioresponses()
    def test_trade_event_fills_and_completes_buy_in_flight_order(self, mock_api):
        fee_mock_data = {'code': 200, 'data': [{'id': 'c85b7062f69c4bf1b6c153dca5c0318a',
                                                'symbol': 'MX_USDT', 'quantity': '2',
                                                'price': '3.1265', 'amount': '6.253',
                                                'fee': '0.012506', 'trade_type': 'BID',
                                                'order_id': '95c4ce45fdd34cf99bfd1e1378eb38ae',
                                                'is_taker': False, 'fee_currency': 'USDT',
                                                'create_time': 1638177115000}]}
        mock_response = self.balances_mock_data
        url = CONSTANTS.MEXC_BASE_URL + CONSTANTS.MEXC_BALANCE_URL
        regex_url = re.compile(f"^{url}".replace(".", r"\.").replace("?", r"\?"))
        mock_api.get(
            regex_url,
            body=json.dumps(mock_response),
        )
        url = CONSTANTS.MEXC_BASE_URL + CONSTANTS.MEXC_DEAL_DETAIL
        regex_url = re.compile(f"^{url}".replace(".", r"\.").replace("?", r"\?"))
        mock_api.get(
            regex_url,
            body=json.dumps(fee_mock_data),
        )
        self.exchange.start_tracking_order(order_id="sell-MX-USDT-1638156451005305",
                                           exchange_order_id="40728558ead64032a676e6f0a4afc4ca",
                                           trading_pair="MX-USDT",
                                           trade_type=TradeType.SELL,
                                           price=Decimal("3.1504"),
                                           amount=Decimal("6.3008"),
                                           order_type=OrderType.LIMIT)
        inflight_order = self.exchange.in_flight_orders["sell-MX-USDT-1638156451005305"]
        _user_stream = self.user_stream_data
        _user_stream.get("data")["status"] = 2
        mock_user_stream = AsyncMock()
        mock_user_stream.get.side_effect = [_user_stream, asyncio.CancelledError]

        self.exchange._user_stream_tracker._user_stream = mock_user_stream
        try:
            self.async_run_with_timeout(self.exchange._user_stream_event_listener(), 1000000)
        except asyncio.CancelledError:
            pass

        self.assertEqual("FILLED", inflight_order.last_state)
        self.assertEqual(Decimal(0), inflight_order.executed_amount_base)
        self.assertEqual(Decimal(0), inflight_order.executed_amount_quote)
        self.assertEqual(1, len(self.exchange.event_logs))
        fill_event = self.exchange.event_logs[0]
        self.assertEqual(SellOrderCompletedEvent, type(fill_event))
        self.assertEqual(inflight_order.client_order_id, fill_event.order_id)
        self.assertEqual(inflight_order.trading_pair, f'{fill_event.base_asset}-{fill_event.quote_asset}')

    def test_tick_initial_tick_successful(self):
        start_ts: float = time.time() * 1e3

        self.exchange.tick(start_ts)
        self.assertEqual(start_ts, self.exchange._last_timestamp)
        self.assertTrue(self.exchange._poll_notifier.is_set())

    @patch("time.time")
    def test_tick_subsequent_tick_within_short_poll_interval(self, mock_ts):
        # Assumes user stream tracker has NOT been receiving messages, Hence SHORT_POLL_INTERVAL in use
        start_ts: float = self.start_timestamp
        next_tick: float = start_ts + (self.exchange.SHORT_POLL_INTERVAL - 1)

        mock_ts.return_value = start_ts
        self.exchange.tick(start_ts)
        self.assertEqual(start_ts, self.exchange._last_timestamp)
        self.assertTrue(self.exchange._poll_notifier.is_set())

        self._simulate_reset_poll_notifier()

        mock_ts.return_value = next_tick
        self.exchange.tick(next_tick)
        self.assertEqual(next_tick, self.exchange._last_timestamp)
        self.assertTrue(self.exchange._poll_notifier.is_set())

    @patch("time.time")
    def test_tick_subsequent_tick_exceed_short_poll_interval(self, mock_ts):
        # Assumes user stream tracker has NOT been receiving messages, Hence SHORT_POLL_INTERVAL in use
        start_ts: float = self.start_timestamp
        next_tick: float = start_ts + (self.exchange.SHORT_POLL_INTERVAL + 1)

        mock_ts.return_value = start_ts
        self.exchange.tick(start_ts)
        self.assertEqual(start_ts, self.exchange._last_timestamp)
        self.assertTrue(self.exchange._poll_notifier.is_set())

        self._simulate_reset_poll_notifier()

        mock_ts.return_value = next_tick
        self.exchange.tick(next_tick)
        self.assertEqual(next_tick, self.exchange._last_timestamp)
        self.assertTrue(self.exchange._poll_notifier.is_set())

    @aioresponses()
    def test_update_balances(self, mock_api):
        self.assertEqual(0, len(self.exchange._account_balances))
        self.assertEqual(0, len(self.exchange._account_available_balances))

        mock_response = self.balances_mock_data
        url = CONSTANTS.MEXC_BASE_URL + CONSTANTS.MEXC_BALANCE_URL
        regex_url = re.compile(f"^{url}".replace(".", r"\.").replace("?", r"\?"))
        mock_api.get(
            regex_url,
            body=json.dumps(mock_response),
        )

        self.exchange_task = asyncio.get_event_loop().create_task(
            self.exchange._update_balances()
        )
        self.async_run_with_timeout(self.exchange_task)

        self.assertEqual(Decimal(str(481.0)), self.exchange.get_balance(self.base_asset))

    @aioresponses()
    @patch("hummingbot.connector.exchange.mexc.mexc_exchange.MexcExchange.current_timestamp", new_callable=PropertyMock)
    def test_update_order_status(self, mock_api, mock_ts):
        # Simulates order being tracked
        order: MexcInFlightOrder = MexcInFlightOrder(
            "0",
            "2628",
            self.trading_pair,
            OrderType.LIMIT,
            TradeType.SELL,
            Decimal(str(41720.83)),
            Decimal("1"),
            1640001112.0,
            "Working",
        )
        self.exchange._in_flight_orders.update({
            order.client_order_id: order
        })
        self.exchange._last_poll_timestamp = 10
        ts: float = time.time()
        mock_ts.return_value = ts
        self.exchange._current_timestamp = ts
        self.assertTrue(1, len(self.exchange.in_flight_orders))

        # Add TradeHistory API Response
        url = CONSTANTS.MEXC_BASE_URL + CONSTANTS.MEXC_ORDER_DETAILS_URL
        regex_url = re.compile(f"^{url}".replace(".", r"\.").replace("?", r"\?"))
        mock_response = {
            "code": 200,
            "data": [
                {
                    "id": "504feca6ba6349e39c82262caf0be3f4",
                    "symbol": "MX_USDT",
                    "price": "3.001",
                    "quantity": "30",
                    "state": "CANCELED",
                    "type": "BID",
                    "deal_quantity": "0",
                    "deal_amount": "0",
                    "create_time": 1573117266000
                }
            ]
        }
        mock_api.get(regex_url, body=json.dumps(mock_response))

        self.async_run_with_timeout(self.exchange._update_order_status())
        self.assertEqual(0, len(self.exchange.in_flight_orders))

    @aioresponses()
    @patch("hummingbot.connector.exchange.mexc.mexc_exchange.MexcExchange.current_timestamp", new_callable=PropertyMock)
    def test_update_order_status_error_response(self, mock_api, mock_ts):

        # Simulates order being tracked
        order: MexcInFlightOrder = MexcInFlightOrder(
            "0",
            "2628",
            self.trading_pair,
            OrderType.LIMIT,
            TradeType.SELL,
            Decimal(str(41720.83)),
            Decimal("1"),
            creation_timestamp=1640001112.0)
        self.exchange._in_flight_orders.update({
            order.client_order_id: order
        })
        self.assertTrue(1, len(self.exchange.in_flight_orders))

        ts: float = time.time()
        mock_ts.return_value = ts
        self.exchange._current_timestamp = ts

        # Add TradeHistory API Response
        url = CONSTANTS.MEXC_BASE_URL + CONSTANTS.MEXC_ORDER_DETAILS_URL
        regex_url = re.compile(f"^{url}".replace(".", r"\.").replace("?", r"\?"))
        mock_response = {
            "result": False,
            "errormsg": "Invalid Request",
            "errorcode": 100,
            "detail": None
        }
        mock_api.get(regex_url, body=json.dumps(mock_response))
        self.async_run_with_timeout(self.exchange._update_order_status())
        self.assertEqual(1, len(self.exchange.in_flight_orders))

    @patch("hummingbot.connector.exchange.mexc.mexc_exchange.MexcExchange._update_balances", new_callable=AsyncMock)
    @patch("hummingbot.connector.exchange.mexc.mexc_exchange.MexcExchange._update_order_status", new_callable=AsyncMock)
    @patch("hummingbot.connector.exchange.mexc.mexc_exchange.MexcExchange.current_timestamp", new_callable=PropertyMock)
    @patch("hummingbot.connector.exchange.mexc.mexc_exchange.MexcExchange._reset_poll_notifier")
    def test_status_polling_loop(self, _, mock_ts, mock_update_order_status, mock_balances):
        mock_balances.return_value = None
        mock_update_order_status.return_value = None

        ts: float = time.time()
        mock_ts.return_value = ts
        self.exchange._current_timestamp = ts

        with self.assertRaises(asyncio.TimeoutError):
            self.exchange_task = asyncio.get_event_loop().create_task(
                self.exchange._status_polling_loop()
            )
            self.exchange._poll_notifier.set()

            self.async_run_with_timeout(asyncio.wait_for(self.exchange_task, 2.0))

        self.assertEqual(ts, self.exchange._last_poll_timestamp)

    @patch("hummingbot.connector.exchange.mexc.mexc_exchange.MexcExchange.current_timestamp", new_callable=PropertyMock)
    @patch("hummingbot.connector.exchange.mexc.mexc_exchange.MexcExchange._reset_poll_notifier")
    @aioresponses()
    def test_status_polling_loop_cancels(self, _, mock_ts, mock_api):
        url = CONSTANTS.MEXC_BASE_URL
        regex_url = re.compile(f"^{url}".replace(".", r"\.").replace("?", r"\?"))
        mock_api.get(regex_url, exception=asyncio.CancelledError)

        ts: float = time.time()
        mock_ts.return_value = ts
        self.exchange._current_timestamp = ts

        with self.assertRaises(asyncio.CancelledError):
            self.exchange_task = asyncio.get_event_loop().create_task(
                self.exchange._status_polling_loop()
            )
            self.exchange._poll_notifier.set()

            self.async_run_with_timeout(self.exchange_task)

        self.assertEqual(0, self.exchange._last_poll_timestamp)

    @patch("hummingbot.connector.exchange.mexc.mexc_exchange.MexcExchange._update_balances", new_callable=AsyncMock)
    @patch("hummingbot.connector.exchange.mexc.mexc_exchange.MexcExchange._update_order_status", new_callable=AsyncMock)
    @patch("hummingbot.connector.exchange.mexc.mexc_exchange.MexcExchange.current_timestamp", new_callable=PropertyMock)
    @patch("hummingbot.connector.exchange.mexc.mexc_exchange.MexcExchange._reset_poll_notifier")
    def test_status_polling_loop_exception_raised(self, _, mock_ts, mock_update_order_status, mock_balances):
        mock_balances.side_effect = lambda: self._create_exception_and_unlock_test_with_event(
            Exception("Dummy test error"))
        mock_update_order_status.side_effect = lambda: self._create_exception_and_unlock_test_with_event(
            Exception("Dummy test error"))

        ts: float = time.time()
        mock_ts.return_value = ts
        self.exchange._current_timestamp = ts

        self.exchange_task = asyncio.get_event_loop().create_task(
            self.exchange._status_polling_loop()
        )

        self.exchange._poll_notifier.set()

        self.async_run_with_timeout(self.resume_test_event.wait())

        self.assertEqual(0, self.exchange._last_poll_timestamp)
        self._is_logged("ERROR", "Unexpected error while in status polling loop. Error: ")

    def test_format_trading_rules_success(self):
        instrument_info: List[Dict[str, Any]] = [{
            "symbol": f"{self.base_asset}_{self.quote_asset}",
            "price_scale": 3,
            "quantity_scale": 3,
            "min_amount": "1",
        }]

        result: List[str, TradingRule] = self.exchange._format_trading_rules(instrument_info)
        self.assertTrue(self.trading_pair == result[0].trading_pair)

    def test_format_trading_rules_failure(self):
        # Simulate invalid API response
        instrument_info: List[Dict[str, Any]] = [{}]

        result: Dict[str, TradingRule] = self.exchange._format_trading_rules(instrument_info)
        self.assertTrue(self.trading_pair not in result)
        self.assertTrue(self._is_logged("ERROR", 'Error parsing the trading pair rule {}. Skipping.'))

    @aioresponses()
    @patch("hummingbot.connector.exchange.mexc.mexc_exchange.MexcExchange.current_timestamp", new_callable=PropertyMock)
    def test_update_trading_rules(self, mock_api, mock_ts):
        url = CONSTANTS.MEXC_BASE_URL + CONSTANTS.MEXC_SYMBOL_URL
        regex_url = re.compile(f"^{url}".replace(".", r"\.").replace("?", r"\?"))
        mock_response = {
            "code": 200,
            "data": [
                {
                    "symbol": "MX_USDT",
                    "state": "ENABLED",
                    "price_scale": 4,
                    "quantity_scale": 2,
                    "min_amount": "5",
                    "max_amount": "5000000",
                    "maker_fee_rate": "0.002",
                    "taker_fee_rate": "0.002",
                    "limited": False,
                    "etf_mark": 0,
                    "symbol_partition": "MAIN"
                }
            ]
        }
        mock_api.get(regex_url, body=json.dumps(mock_response))
        self.exchange._last_poll_timestamp = 10
        ts: float = time.time()
        mock_ts.return_value = ts
        self.exchange._current_timestamp = ts

        task = asyncio.get_event_loop().create_task(
            self.exchange._update_trading_rules()
        )
        self.async_run_with_timeout(task)

        self.assertTrue(self.trading_pair in self.exchange.trading_rules)

        self.exchange.trading_rules[self.trading_pair]

    @patch("hummingbot.connector.exchange.mexc.mexc_exchange.MexcExchange._update_trading_rules",
           new_callable=AsyncMock)
    def test_trading_rules_polling_loop(self, mock_update):
        # No Side Effects expected
        mock_update.return_value = None
        with self.assertRaises(asyncio.TimeoutError):
            self.exchange_task = asyncio.get_event_loop().create_task(self.exchange._trading_rules_polling_loop())

            self.async_run_with_timeout(
                asyncio.wait_for(self.exchange_task, 1.0)
            )

    @patch("hummingbot.connector.exchange.mexc.mexc_exchange.MexcExchange._update_trading_rules",
           new_callable=AsyncMock)
    def test_trading_rules_polling_loop_cancels(self, mock_update):
        mock_update.side_effect = asyncio.CancelledError

        with self.assertRaises(asyncio.CancelledError):
            self.exchange_task = asyncio.get_event_loop().create_task(
                self.exchange._trading_rules_polling_loop()
            )

            self.async_run_with_timeout(self.exchange_task)

        self.assertEqual(0, self.exchange._last_poll_timestamp)

    @patch("hummingbot.connector.exchange.mexc.mexc_exchange.MexcExchange._update_trading_rules",
           new_callable=AsyncMock)
    def test_trading_rules_polling_loop_exception_raised(self, mock_update):
        mock_update.side_effect = lambda: self._create_exception_and_unlock_test_with_event(
            Exception("Dummy test error"))

        self.exchange_task = asyncio.get_event_loop().create_task(
            self.exchange._trading_rules_polling_loop()
        )

        self.async_run_with_timeout(self.resume_test_event.wait())

        self._is_logged("ERROR", "Unexpected error while fetching trading rules. Error: ")

    @aioresponses()
    def test_check_network_succeeds_when_ping_replies_pong(self, mock_api):
        url = CONSTANTS.MEXC_BASE_URL + CONSTANTS.MEXC_PING_URL
        regex_url = re.compile(f"^{url}".replace(".", r"\.").replace("?", r"\?"))
        mock_response = {"code": 200}
        mock_api.get(regex_url, body=json.dumps(mock_response))

        result = self.async_run_with_timeout(self.exchange.check_network())

        self.assertEqual(NetworkStatus.CONNECTED, result)

    @aioresponses()
    def test_check_network_fails_when_ping_does_not_reply_pong(self, mock_api):
        url = CONSTANTS.MEXC_BASE_URL + CONSTANTS.MEXC_PING_URL
        regex_url = re.compile(f"^{url}".replace(".", r"\.").replace("?", r"\?"))
        mock_response = {"code": 100}
        mock_api.get(regex_url, body=json.dumps(mock_response))

        result = self.async_run_with_timeout(self.exchange.check_network())
        self.assertEqual(NetworkStatus.NOT_CONNECTED, result)

        url = CONSTANTS.MEXC_BASE_URL + CONSTANTS.MEXC_PING_URL
        regex_url = re.compile(f"^{url}".replace(".", r"\.").replace("?", r"\?"))
        mock_response = {}
        mock_api.get(regex_url, body=json.dumps(mock_response))

        result = self.async_run_with_timeout(self.exchange.check_network())
        self.assertEqual(NetworkStatus.NOT_CONNECTED, result)

    @aioresponses()
    def test_check_network_fails_when_ping_returns_error_code(self, mock_api):
        url = CONSTANTS.MEXC_BASE_URL + CONSTANTS.MEXC_PING_URL
        regex_url = re.compile(f"^{url}".replace(".", r"\.").replace("?", r"\?"))
        mock_response = {"code": 100}
        mock_api.get(regex_url, body=json.dumps(mock_response), status=404)

        result = self.async_run_with_timeout(self.exchange.check_network())

        self.assertEqual(NetworkStatus.NOT_CONNECTED, result)

    def test_get_order_book_for_valid_trading_pair(self):
        dummy_order_book = MexcOrderBook()
        self.exchange.order_book_tracker.order_books["BTC-USDT"] = dummy_order_book
        self.assertEqual(dummy_order_book, self.exchange.get_order_book("BTC-USDT"))

    def test_get_order_book_for_invalid_trading_pair_raises_error(self):
        self.assertRaisesRegex(ValueError,
                               "No order book exists for 'BTC-USDT'",
                               self.exchange.get_order_book,
                               "BTC-USDT")

    @patch("hummingbot.connector.exchange.mexc.mexc_exchange.MexcExchange.execute_buy", new_callable=AsyncMock)
    def test_buy(self, mock_create):
        mock_create.side_effect = None
        order_details = [
            self.trading_pair,
            Decimal(1.0),
            Decimal(10.0),
            OrderType.LIMIT,
        ]

        # Note: BUY simply returns immediately with the client order id.
        order_id: str = self.exchange.buy(*order_details)

        # Order ID is simply a timestamp. The assertion below checks if it is created within 1 sec
        self.assertTrue(len(order_id) > 0)

    def test_sell(self):
        order_details = [
            self.trading_pair,
            Decimal(1.0),
            Decimal(10.0),
            OrderType.LIMIT,
        ]

        # Note: SELL simply returns immediately with the client order id.
        order_id: str = self.exchange.buy(*order_details)

        # Order ID is simply a timestamp. The assertion below checks if it is created within 1 sec
        self.assertTrue(len(order_id) > 0)

    @aioresponses()
    @patch("hummingbot.connector.exchange.mexc.mexc_exchange.MexcExchange.quantize_order_amount")
    def test_create_limit_order(self, mock_post, amount_mock):
        amount_mock.return_value = Decimal("1")
        url = CONSTANTS.MEXC_BASE_URL + CONSTANTS.MEXC_PLACE_ORDER
        regex_url = re.compile(f"^{url}".replace(".", r"\.").replace("?", r"\?"))
        expected_response = {"code": 200, "data": "123"}
        mock_post.post(regex_url, body=json.dumps(expected_response))

        self._simulate_trading_rules_initialized()

        order_details = [
            TradeType.BUY,
            str(1),
            self.trading_pair,
            Decimal(1.0),
            Decimal(10.0),
            OrderType.LIMIT,
        ]

        self.assertEqual(0, len(self.exchange.in_flight_orders))
        future = self._simulate_create_order(*order_details)
        self.async_run_with_timeout(future)

        self.assertEqual(1, len(self.exchange.in_flight_orders))
        self._is_logged("INFO",
                        f"Created {OrderType.LIMIT.name} {TradeType.BUY.name} order {123} for {Decimal(1.0)} {self.trading_pair}")

        tracked_order: MexcInFlightOrder = self.exchange.in_flight_orders["1"]
        self.assertEqual(tracked_order.client_order_id, "1")
        self.assertEqual(tracked_order.exchange_order_id, "123")
        self.assertEqual(tracked_order.last_state, "NEW")
        self.assertEqual(tracked_order.trading_pair, self.trading_pair)
        self.assertEqual(tracked_order.price, Decimal(10.0))
        self.assertEqual(tracked_order.amount, Decimal(1.0))
        self.assertEqual(tracked_order.trade_type, TradeType.BUY)

    @aioresponses()
    @patch("hummingbot.connector.exchange.mexc.mexc_exchange.MexcExchange.quantize_order_amount")
    def test_create_market_order(self, mock_post, amount_mock):
        amount_mock.return_value = Decimal("1")
        url = CONSTANTS.MEXC_BASE_URL + CONSTANTS.MEXC_PLACE_ORDER
        regex_url = re.compile(f"^{url}".replace(".", r"\.").replace("?", r"\?"))
        expected_response = {"code": 200, "data": "123"}
        mock_post.post(regex_url, body=json.dumps(expected_response))

        self._simulate_trading_rules_initialized()

        order_details = [
            TradeType.BUY,
            str(1),
            self.trading_pair,
            Decimal(1.0),
            Decimal(10.0),
            OrderType.LIMIT_MAKER,
        ]

        self.assertEqual(0, len(self.exchange.in_flight_orders))
        future = self._simulate_create_order(*order_details)
        self.async_run_with_timeout(future)

        self.assertEqual(1, len(self.exchange.in_flight_orders))
        self._is_logged("INFO",
                        f"Created {OrderType.LIMIT.name} {TradeType.BUY.name} order {123} for {Decimal(1.0)} {self.trading_pair}")

        tracked_order: MexcInFlightOrder = self.exchange.in_flight_orders["1"]
        self.assertEqual(tracked_order.client_order_id, "1")
        self.assertEqual(tracked_order.exchange_order_id, "123")
        self.assertEqual(tracked_order.last_state, "NEW")
        self.assertEqual(tracked_order.trading_pair, self.trading_pair)
        self.assertEqual(tracked_order.amount, Decimal(1.0))
        self.assertEqual(tracked_order.trade_type, TradeType.BUY)

    @aioresponses()
    def test_detect_created_order_server_acknowledgement(self, mock_api):
        url = CONSTANTS.MEXC_BASE_URL + CONSTANTS.MEXC_BALANCE_URL
        regex_url = re.compile(f"^{url}".replace(".", r"\.").replace("?", r"\?"))
        mock_api.get(regex_url, body=json.dumps(self.balances_mock_data))

        self.exchange.start_tracking_order(order_id="sell-MX-USDT-1638156451005305",
                                           exchange_order_id="40728558ead64032a676e6f0a4afc4ca",
                                           trading_pair="MX-USDT",
                                           trade_type=TradeType.SELL,
                                           price=Decimal("3.1504"),
                                           amount=Decimal("6.3008"),
                                           order_type=OrderType.LIMIT)
        _user_data = self.user_stream_data
        _user_data.get("data")["status"] = 2
        mock_user_stream = AsyncMock()
        mock_user_stream.get.side_effect = functools.partial(self._return_calculation_and_set_done_event,
                                                             lambda: _user_data)
        self.exchange._user_stream_tracker._user_stream = mock_user_stream
        self.exchange_task = asyncio.get_event_loop().create_task(
            self.exchange._user_stream_event_listener())
        self.async_run_with_timeout(self.resume_test_event.wait())

        self.assertEqual(1, len(self.exchange.in_flight_orders))
        tracked_order: MexcInFlightOrder = self.exchange.in_flight_orders["sell-MX-USDT-1638156451005305"]
        self.assertEqual(tracked_order.last_state, "NEW")

    @aioresponses()
    def test_execute_cancel_success(self, mock_cancel):
        order: MexcInFlightOrder = MexcInFlightOrder(
            client_order_id="0",
            exchange_order_id="123",
            trading_pair=self.trading_pair,
            order_type=OrderType.LIMIT,
            trade_type=TradeType.BUY,
            price=Decimal(10.0),
            amount=Decimal(1.0),
            creation_timestamp=1640001112.0,
            initial_state="Working",
        )

        self.exchange._in_flight_orders.update({
            order.client_order_id: order
        })

        mock_response = {
            "code": 200,
            "data": {"123": "success"}
        }
        url = CONSTANTS.MEXC_BASE_URL + CONSTANTS.MEXC_ORDER_CANCEL
        regex_url = re.compile(f"^{url}".replace(".", r"\.").replace("?", r"\?"))
        mock_cancel.delete(regex_url, body=json.dumps(mock_response))

        self.mocking_assistant.configure_http_request_mock(mock_cancel)
        self.mocking_assistant.add_http_response(mock_cancel, 200, mock_response, "")

        result = self.async_run_with_timeout(
            self.exchange.execute_cancel(self.trading_pair, order.client_order_id)
        )
        self.assertIsNone(result)

    @aioresponses()
    def test_execute_cancel_all_success(self, mock_post_request):
        order: MexcInFlightOrder = MexcInFlightOrder(
            client_order_id="0",
            exchange_order_id="123",
            trading_pair=self.trading_pair,
            order_type=OrderType.LIMIT,
            trade_type=TradeType.BUY,
            price=Decimal(10.0),
            amount=Decimal(1.0),
            creation_timestamp=1640001112.0)

        self.exchange._in_flight_orders.update({
            order.client_order_id: order
        })

        mock_response = {
            "code": 200,
            "data": {
                "0": "success"
            }
        }
        url = CONSTANTS.MEXC_BASE_URL + CONSTANTS.MEXC_ORDER_CANCEL
        regex_url = re.compile(f"^{url}".replace(".", r"\.").replace("?", r"\?"))
        mock_post_request.delete(regex_url, body=json.dumps(mock_response))

        cancellation_results = self.async_run_with_timeout(
            self.exchange.cancel_all(10)
        )

        self.assertEqual(1, len(cancellation_results))
        self.assertEqual("0", cancellation_results[0].order_id)
        self.assertTrue(cancellation_results[0].success)

    @aioresponses()
    @patch("hummingbot.client.hummingbot_application.HummingbotApplication")
    def test_execute_cancel_fail(self, mock_cancel, mock_main_app):
        order: MexcInFlightOrder = MexcInFlightOrder(
            client_order_id="0",
            exchange_order_id="123",
            trading_pair=self.trading_pair,
            order_type=OrderType.LIMIT,
            trade_type=TradeType.BUY,
            price=Decimal(10.0),
            amount=Decimal(1.0),
            creation_timestamp=1640001112.0,
            initial_state="Working",
        )

        self.exchange._in_flight_orders.update({
            order.client_order_id: order
        })
        mock_response = {
            "code": 100,
            "data": {"123": "success"}
        }
        url = CONSTANTS.MEXC_BASE_URL + CONSTANTS.MEXC_ORDER_CANCEL
        regex_url = re.compile(f"^{url}".replace(".", r"\.").replace("?", r"\?"))
        mock_cancel.delete(regex_url, body=json.dumps(mock_response))

        self.async_run_with_timeout(
            self.exchange.execute_cancel(self.trading_pair, order.client_order_id)
        )

        self._is_logged("NETWORK", "Failed to cancel order 0 : MexcAPIError('Order could not be canceled')")

    @aioresponses()
    def test_execute_cancel_cancels(self, mock_cancel):
        order: MexcInFlightOrder = MexcInFlightOrder(
            client_order_id="0",
            exchange_order_id="123",
            trading_pair=self.trading_pair,
            order_type=OrderType.LIMIT,
            trade_type=TradeType.BUY,
            price=Decimal(10.0),
            amount=Decimal(1.0),
            creation_timestamp=1640001112.0,
            initial_state="Working",
        )

        self.exchange._in_flight_orders.update({
            order.client_order_id: order
        })
        url = CONSTANTS.MEXC_BASE_URL + CONSTANTS.MEXC_ORDER_CANCEL
        regex_url = re.compile(f"^{url}".replace(".", r"\.").replace("?", r"\?"))
        mock_cancel.delete(regex_url, exception=asyncio.CancelledError)

        with self.assertRaises(asyncio.CancelledError):
            self.async_run_with_timeout(
                self.exchange.execute_cancel(self.trading_pair, order.client_order_id)
            )

    @patch("hummingbot.connector.exchange.mexc.mexc_exchange.MexcExchange.execute_cancel", new_callable=AsyncMock)
    def test_cancel(self, mock_cancel):
        mock_cancel.return_value = None

        order: MexcInFlightOrder = MexcInFlightOrder(
            client_order_id="0",
            exchange_order_id="123",
            trading_pair=self.trading_pair,
            order_type=OrderType.LIMIT,
            trade_type=TradeType.BUY,
            price=Decimal(10.0),
            amount=Decimal(1.0),
            creation_timestamp=1640001112.0)

        self.exchange._in_flight_orders.update({
            order.client_order_id: order
        })

        # Note: BUY simply returns immediately with the client order id.
        return_val: str = self.exchange.cancel(self.trading_pair, order.client_order_id)

        # Order ID is simply a timestamp. The assertion below checks if it is created within 1 sec
        self.assertTrue(order.client_order_id, return_val)

    def test_ready_trading_required_all_ready(self):
        self.exchange._trading_required = True

        # Simulate all components initialized
        self.exchange._account_id = 1
        self.exchange.order_book_tracker._order_books_initialized.set()
        self.exchange._account_balances = {
            self.base_asset: Decimal(str(10.0))
        }
        self._simulate_trading_rules_initialized()
        self.exchange._user_stream_tracker.data_source._last_recv_time = 1

        self.assertTrue(self.exchange.ready)

    def test_ready_trading_required_not_ready(self):
        self.exchange._trading_required = True

        # Simulate all components but account_id not initialized
        self.exchange._account_id = None
        self.exchange.order_book_tracker._order_books_initialized.set()
        self.exchange._account_balances = {}
        self._simulate_trading_rules_initialized()
        self.exchange._user_stream_tracker.data_source._last_recv_time = 0

        self.assertFalse(self.exchange.ready)

    def test_ready_trading_not_required_ready(self):
        self.exchange._trading_required = False

        # Simulate all components but account_id not initialized
        self.exchange._account_id = None
        self.exchange.order_book_tracker._order_books_initialized.set()
        self.exchange._account_balances = {}
        self._simulate_trading_rules_initialized()
        self.exchange._user_stream_tracker.data_source._last_recv_time = 0

        self.assertTrue(self.exchange.ready)

    def test_ready_trading_not_required_not_ready(self):
        self.exchange._trading_required = False
        self.assertFalse(self.exchange.ready)

    def test_limit_orders(self):
        self.assertEqual(0, len(self.exchange.limit_orders))

        # Simulate orders being placed and tracked
        order: MexcInFlightOrder = MexcInFlightOrder(
            client_order_id="0",
            exchange_order_id="123",
            trading_pair=self.trading_pair,
            order_type=OrderType.LIMIT,
            trade_type=TradeType.BUY,
            price=Decimal(10.0),
            amount=Decimal(1.0),
            creation_timestamp=1640001112.0)

        self.exchange._in_flight_orders.update({
            order.client_order_id: order
        })

        self.assertEqual(1, len(self.exchange.limit_orders))

    def test_tracking_states_order_not_done(self):
        order: MexcInFlightOrder = MexcInFlightOrder(
            client_order_id="0",
            exchange_order_id="123",
            trading_pair=self.trading_pair,
            order_type=OrderType.LIMIT,
            trade_type=TradeType.BUY,
            price=Decimal(10.0),
            amount=Decimal(1.0),
            creation_timestamp=1640001112.0)

        order_json = order.to_json()

        self.exchange._in_flight_orders.update({
            order.client_order_id: order
        })

        self.assertEqual(1, len(self.exchange.tracking_states))
        self.assertEqual(order_json, self.exchange.tracking_states[order.client_order_id])

    def test_tracking_states_order_done(self):
        order: MexcInFlightOrder = MexcInFlightOrder(
            client_order_id="0",
            exchange_order_id="123",
            trading_pair=self.trading_pair,
            order_type=OrderType.LIMIT,
            trade_type=TradeType.BUY,
            price=Decimal(10.0),
            amount=Decimal(1.0),
            creation_timestamp=1640001112.0,
            initial_state="FILLED"
        )

        self.exchange._in_flight_orders.update({
            order.client_order_id: order
        })

        self.assertEqual(0, len(self.exchange.tracking_states))

    def test_restore_tracking_states(self):
        order: MexcInFlightOrder = MexcInFlightOrder(
            client_order_id="0",
            exchange_order_id="123",
            trading_pair=self.trading_pair,
            order_type=OrderType.LIMIT,
            trade_type=TradeType.BUY,
            price=Decimal(10.0),
            amount=Decimal(1.0),
            creation_timestamp=1640001112.0)

        order_json = order.to_json()

        self.exchange.restore_tracking_states({order.client_order_id: order_json})

        self.assertEqual(1, len(self.exchange.in_flight_orders))
        self.assertEqual(str(self.exchange.in_flight_orders[order.client_order_id]), str(order))
class CoinzoomAPIOrderBookDataSourceTests(TestCase):
    @classmethod
    def setUpClass(cls) -> None:
        super().setUpClass()
        cls.base_asset = "COINALPHA"
        cls.quote_asset = "HBOT"
        cls.trading_pair = f"{cls.base_asset}-{cls.quote_asset}"
        cls.api_key = "testKey"
        cls.api_secret_key = "testSecretKey"
        cls.username = "******"
        cls.throttler = AsyncThrottler(Constants.RATE_LIMITS)

    def setUp(self) -> None:
        super().setUp()
        self.listening_task = None
        self.data_source = CoinzoomAPIOrderBookDataSource(
            throttler=self.throttler, trading_pairs=[self.trading_pair])
        self.mocking_assistant = NetworkMockingAssistant()

    def tearDown(self) -> None:
        self.listening_task and self.listening_task.cancel()
        super().tearDown()

    def async_run_with_timeout(self, coroutine: Awaitable, timeout: int = 1):
        ret = asyncio.get_event_loop().run_until_complete(
            asyncio.wait_for(coroutine, timeout))
        return ret

    @aioresponses()
    def test_get_last_traded_prices(self, mock_api):
        url = f"{Constants.REST_URL}/{Constants.ENDPOINT['TICKER']}"
        resp = {
            f"{self.base_asset}_{self.quote_asset}": {
                "last_price": 51234.56
            }
        }
        mock_api.get(url, body=json.dumps(resp))

        results = self.async_run_with_timeout(
            CoinzoomAPIOrderBookDataSource.get_last_traded_prices(
                trading_pairs=[self.trading_pair], throttler=self.throttler))

        self.assertIn(self.trading_pair, results)
        self.assertEqual(Decimal("51234.56"), results[self.trading_pair])

    @aioresponses()
    def test_fetch_trading_pairs(self, mock_api):
        url = f"{Constants.REST_URL}/{Constants.ENDPOINT['SYMBOL']}"
        resp = [{
            "symbol": f"{self.base_asset}/{self.quote_asset}"
        }, {
            "symbol": "BTC/USDT"
        }]
        mock_api.get(url, body=json.dumps(resp))

        results = self.async_run_with_timeout(
            CoinzoomAPIOrderBookDataSource.fetch_trading_pairs(
                throttler=self.throttler))

        self.assertIn(self.trading_pair, results)
        self.assertIn("BTC-USDT", results)

    @aioresponses()
    def test_get_new_order_book(self, mock_api):
        url = f"{Constants.REST_URL}/" \
              f"{Constants.ENDPOINT['ORDER_BOOK'].format(trading_pair=self.base_asset+'_'+self.quote_asset)}"
        resp = {"timestamp": 1234567899, "bids": [], "asks": []}
        mock_api.get(url, body=json.dumps(resp))

        order_book: CoinzoomOrderBook = self.async_run_with_timeout(
            self.data_source.get_new_order_book(self.trading_pair))

        self.assertEqual(1234567899, order_book.snapshot_uid)

    @patch("websockets.connect", new_callable=AsyncMock)
    def test_listen_for_trades(self, ws_connect_mock):
        ws_connect_mock.return_value = self.mocking_assistant.create_websocket_mock(
        )
        received_messages = asyncio.Queue()

        message = {
            "ts": [
                f"{self.base_asset}/{self.quote_asset}", 8772.05, 0.01,
                "2020-01-16T21:02:23Z"
            ]
        }

        self.listening_task = asyncio.get_event_loop().create_task(
            self.data_source.listen_for_trades(
                ev_loop=asyncio.get_event_loop(), output=received_messages))

        self.mocking_assistant.add_websocket_text_message(
            websocket_mock=ws_connect_mock.return_value,
            message=json.dumps(message))
        trade_message = self.async_run_with_timeout(received_messages.get())

        self.assertEqual(OrderBookMessageType.TRADE, trade_message.type)
        self.assertEqual(
            int(dateparse("2020-01-16T21:02:23Z").timestamp() * 1e3),
            trade_message.timestamp)
        self.assertEqual(trade_message.timestamp, trade_message.trade_id)
        self.assertEqual(self.trading_pair, trade_message.trading_pair)

    @patch(
        "hummingbot.connector.exchange.coinzoom.coinzoom_api_order_book_data_source.CoinzoomAPIOrderBookDataSource._time"
    )
    @patch("websockets.connect", new_callable=AsyncMock)
    def test_listen_for_order_book_diff(self, ws_connect_mock, time_mock):
        time_mock.return_value = 1234567890
        ws_connect_mock.return_value = self.mocking_assistant.create_websocket_mock(
        )
        received_messages = asyncio.Queue()

        message = {
            "oi":
            f"{self.base_asset}/{self.quote_asset}",
            "b": [["9"], ["5"], ["7", 7193.27, 6.95094164],
                  ["8", 7196.15, 0.69481598]],
            "s": [["2"], ["1"], ["4", 7222.08, 6.92321326],
                  ["6", 7219.2, 0.69259752]]
        }

        self.listening_task = asyncio.get_event_loop().create_task(
            self.data_source.listen_for_order_book_diffs(
                ev_loop=asyncio.get_event_loop(), output=received_messages))

        self.mocking_assistant.add_websocket_text_message(
            websocket_mock=ws_connect_mock.return_value,
            message=json.dumps(message))
        diff_message = self.async_run_with_timeout(received_messages.get())

        self.assertEqual(OrderBookMessageType.DIFF, diff_message.type)
        self.assertEqual(1234567890 * 1e3, diff_message.timestamp)
        self.assertEqual(diff_message.timestamp, diff_message.update_id)
        self.assertEqual(-1, diff_message.trade_id)
        self.assertEqual(self.trading_pair, diff_message.trading_pair)
Ejemplo n.º 3
0
class AltmarketsAPIOrderBookDataSourceTests(TestCase):
    # logging.Level required to receive logs from the exchange
    level = 0

    @classmethod
    def setUpClass(cls) -> None:
        super().setUpClass()
        cls.ev_loop = asyncio.get_event_loop()
        cls.base_asset = "HBOT"
        cls.quote_asset = "USDT"
        cls.trading_pair = f"{cls.base_asset}-{cls.quote_asset}"
        cls.exchange_trading_pair = convert_to_exchange_trading_pair(
            cls.trading_pair)
        cls.api_key = "testKey"
        cls.api_secret_key = "testSecretKey"
        cls.username = "******"
        cls.throttler = AsyncThrottler(Constants.RATE_LIMITS)
        for task in asyncio.all_tasks(loop=cls.ev_loop):
            task.cancel()

    @classmethod
    def tearDownClass(cls) -> None:
        for task in asyncio.all_tasks(loop=cls.ev_loop):
            task.cancel()

    def setUp(self) -> None:
        super().setUp()
        self.log_records = []
        self.listening_task = None
        self.data_source = AltmarketsAPIOrderBookDataSource(
            throttler=self.throttler, trading_pairs=[self.trading_pair])
        self.mocking_assistant = NetworkMockingAssistant()

        self.data_source.logger().setLevel(1)
        self.data_source.logger().addHandler(self)

    def tearDown(self) -> None:
        self.listening_task and self.listening_task.cancel()
        super().tearDown()

    def handle(self, record):
        self.log_records.append(record)

    def _is_logged(self, log_level: str, message: str) -> bool:
        return any(
            record.levelname == log_level and record.getMessage() == message
            for record in self.log_records)

    def async_run_with_timeout(self, coroutine: Awaitable, timeout: int = 1):
        ret = self.ev_loop.run_until_complete(
            asyncio.wait_for(coroutine, timeout))
        return ret

    def test_throttler_rates(self):
        self.assertEqual(
            str(self.throttler._rate_limits[0]),
            str(self.data_source._get_throttler_instance()._rate_limits[0]))
        self.assertEqual(
            str(self.throttler._rate_limits[-1]),
            str(self.data_source._get_throttler_instance()._rate_limits[-1]))

    @aioresponses()
    def test_get_last_traded_prices(self, mock_api):
        url = f"{Constants.REST_URL}/{Constants.ENDPOINT['TICKER_SINGLE'].format(trading_pair=self.exchange_trading_pair)}"
        resp = {"ticker": {"last": 51234.56}}
        mock_api.get(url, body=json.dumps(resp))

        results = self.async_run_with_timeout(
            AltmarketsAPIOrderBookDataSource.get_last_traded_prices(
                trading_pairs=[self.trading_pair], throttler=self.throttler))

        self.assertIn(self.trading_pair, results)
        self.assertEqual(Decimal("51234.56"), results[self.trading_pair])

    @aioresponses()
    @patch(
        "hummingbot.connector.exchange.altmarkets.altmarkets_http_utils.retry_sleep_time"
    )
    def test_get_last_traded_prices_multiple(self, mock_api,
                                             retry_sleep_time_mock):
        retry_sleep_time_mock.side_effect = lambda *args, **kwargs: 0
        url = f"{Constants.REST_URL}/{Constants.ENDPOINT['TICKER']}"
        resp = {
            f"{self.exchange_trading_pair}": {
                "ticker": {
                    "last": 51234.56
                }
            },
            "rogerbtc": {
                "ticker": {
                    "last": 0.00000002
                }
            },
            "btcusdt": {
                "ticker": {
                    "last": 51234.56
                }
            },
            "hbotbtc": {
                "ticker": {
                    "last": 0.9
                }
            },
        }
        mock_api.get(url, body=json.dumps(resp))

        results = self.async_run_with_timeout(
            AltmarketsAPIOrderBookDataSource.get_last_traded_prices(
                trading_pairs=[
                    self.trading_pair, 'rogerbtc', 'btcusdt', 'hbotbtc'
                ],
                throttler=self.throttler))

        self.assertIn(self.trading_pair, results)
        self.assertEqual(Decimal("51234.56"), results[self.trading_pair])
        self.assertEqual(Decimal("0.00000002"), results["rogerbtc"])
        self.assertEqual(Decimal("51234.56"), results["btcusdt"])
        self.assertEqual(Decimal("0.9"), results["hbotbtc"])

    @aioresponses()
    def test_fetch_trading_pairs(self, mock_api):
        url = f"{Constants.REST_URL}/{Constants.ENDPOINT['SYMBOL']}"
        resp = [{
            "name": f"{self.base_asset}/{self.quote_asset}",
            "state": "enabled"
        }, {
            "name": "ROGER/BTC",
            "state": "enabled"
        }]
        mock_api.get(url, body=json.dumps(resp))

        results = self.async_run_with_timeout(
            AltmarketsAPIOrderBookDataSource.fetch_trading_pairs(
                throttler=self.throttler))

        self.assertIn(self.trading_pair, results)
        self.assertIn("ROGER-BTC", results)

    @aioresponses()
    @patch(
        "hummingbot.connector.exchange.altmarkets.altmarkets_http_utils.retry_sleep_time"
    )
    def test_fetch_trading_pairs_returns_empty_on_error(
            self, mock_api, retry_sleep_time_mock):
        retry_sleep_time_mock.side_effect = lambda *args, **kwargs: 0
        url = f"{Constants.REST_URL}/{Constants.ENDPOINT['SYMBOL']}"
        for i in range(Constants.API_MAX_RETRIES):
            mock_api.get(url, body=json.dumps([{"noname": "empty"}]))

        results = self.async_run_with_timeout(
            AltmarketsAPIOrderBookDataSource.fetch_trading_pairs(
                throttler=self.throttler))

        self.assertEqual(0, len(results))

    @patch(
        "hummingbot.connector.exchange.altmarkets.altmarkets_api_order_book_data_source.AltmarketsAPIOrderBookDataSource._time"
    )
    @aioresponses()
    def test_get_new_order_book(self, time_mock, mock_api):
        time_mock.return_value = 1234567899
        url = f"{Constants.REST_URL}/" \
              f"{Constants.ENDPOINT['ORDER_BOOK'].format(trading_pair=self.exchange_trading_pair)}" \
              "?limit=300"
        resp = {"timestamp": 1234567899, "bids": [], "asks": []}
        mock_api.get(url, body=json.dumps(resp))

        order_book: AltmarketsOrderBook = self.async_run_with_timeout(
            self.data_source.get_new_order_book(self.trading_pair))

        self.assertEqual(1234567899 * 1e3, order_book.snapshot_uid)

    @patch(
        "hummingbot.connector.exchange.altmarkets.altmarkets_http_utils.retry_sleep_time"
    )
    @patch(
        "hummingbot.connector.exchange.altmarkets.altmarkets_api_order_book_data_source.AltmarketsAPIOrderBookDataSource._time"
    )
    @aioresponses()
    def test_get_new_order_book_raises_error(self, retry_sleep_time_mock,
                                             time_mock, mock_api):
        retry_sleep_time_mock.side_effect = lambda *args, **kwargs: 0
        time_mock.return_value = 1234567899
        url = f"{Constants.REST_URL}/" \
              f"{Constants.ENDPOINT['ORDER_BOOK'].format(trading_pair=self.exchange_trading_pair)}" \
              "?limit=300"
        for i in range(Constants.API_MAX_RETRIES):
            mock_api.get(url,
                         body=json.dumps({
                             "errors": {
                                 "message": "Dummy error."
                             },
                             "status": 500
                         }))

        with self.assertRaises(IOError):
            self.async_run_with_timeout(
                self.data_source.get_new_order_book(self.trading_pair))

    @aioresponses()
    def test_listen_for_snapshots_cancelled_when_fetching_snapshot(
            self, mock_get):
        trades_queue = asyncio.Queue()

        endpoint = Constants.ENDPOINT['ORDER_BOOK'].format(
            trading_pair=r'[\w]+')
        re_url = f"{Constants.REST_URL}/{endpoint}"
        regex_url = re.compile(re_url)
        resp = {"timestamp": 1234567899, "bids": [], "asks": []}
        mock_get.get(regex_url, body=json.dumps(resp))

        self.listening_task = asyncio.get_event_loop().create_task(
            self.data_source.listen_for_order_book_snapshots(
                ev_loop=asyncio.get_event_loop(), output=trades_queue))

        with self.assertRaises(asyncio.CancelledError):
            self.listening_task.cancel()
            asyncio.get_event_loop().run_until_complete(self.listening_task)

    @aioresponses()
    @patch(
        "hummingbot.connector.exchange.altmarkets.altmarkets_api_order_book_data_source.AltmarketsAPIOrderBookDataSource._sleep",
        new_callable=AsyncMock)
    def test_listen_for_snapshots_logs_exception_when_fetching_snapshot(
            self, mock_get, mock_sleep):
        # the queue and the division by zero error are used just to synchronize the test
        sync_queue = deque()
        sync_queue.append(1)

        endpoint = Constants.ENDPOINT['ORDER_BOOK'].format(
            trading_pair=r'[\w]+')
        re_url = f"{Constants.REST_URL}/{endpoint}"
        regex_url = re.compile(re_url)
        for x in range(2):
            mock_get.get(regex_url, body=json.dumps({}))

        mock_sleep.side_effect = lambda delay: 1 / 0 if len(
            sync_queue) == 0 else sync_queue.pop()

        msg_queue: asyncio.Queue = asyncio.Queue()
        with self.assertRaises(ZeroDivisionError):
            self.listening_task = self.ev_loop.create_task(
                self.data_source.listen_for_order_book_snapshots(
                    self.ev_loop, msg_queue))
            self.ev_loop.run_until_complete(self.listening_task)

        self.assertEqual(0, msg_queue.qsize())

        self.assertTrue(
            self._is_logged(
                "ERROR",
                "Unexpected error occurred listening for orderbook snapshots. Retrying in 5 secs..."
            ))

    @aioresponses()
    @patch(
        "hummingbot.connector.exchange.altmarkets.altmarkets_api_order_book_data_source.AltmarketsAPIOrderBookDataSource._sleep",
        new_callable=AsyncMock)
    def test_listen_for_snapshots_successful(self, mock_get, mock_sleep):
        # the queue and the division by zero error are used just to synchronize the test
        sync_queue = deque()
        sync_queue.append(1)

        mock_response = {
            "timestamp":
            1234567890,
            "asks": [[7221.08, 6.92321326], [7220.08, 6.92321326],
                     [7222.08, 6.92321326], [7219.2, 0.69259752]],
            "bids": [[7199.27, 6.95094164], [7192.27, 6.95094164],
                     [7193.27, 6.95094164], [7196.15, 0.69481598]]
        }
        endpoint = Constants.ENDPOINT['ORDER_BOOK'].format(
            trading_pair=r'[\w]+')
        regex_url = re.compile(f"{Constants.REST_URL}/{endpoint}")
        for x in range(2):
            mock_get.get(regex_url, body=json.dumps(mock_response))

        mock_sleep.side_effect = lambda delay: 1 / 0 if len(
            sync_queue) == 0 else sync_queue.pop()

        msg_queue: asyncio.Queue = asyncio.Queue()
        with self.assertRaises(ZeroDivisionError):
            self.listening_task = self.ev_loop.create_task(
                self.data_source.listen_for_order_book_snapshots(
                    self.ev_loop, msg_queue))
            self.ev_loop.run_until_complete(self.listening_task)

        self.assertEqual(msg_queue.qsize(), 2)

        snapshot_msg: OrderBookMessage = msg_queue.get_nowait()
        self.assertEqual(snapshot_msg.update_id,
                         mock_response["timestamp"] * 1e3)

    @patch("websockets.connect", new_callable=AsyncMock)
    def test_listen_for_trades(self, ws_connect_mock):
        ws_connect_mock.return_value = self.mocking_assistant.create_websocket_mock(
        )
        received_messages = asyncio.Queue()

        message = {
            "hbotusdt.trades": {
                "trades": [{
                    "date": 1234567899,
                    "tid": '3333',
                    "taker_type": "buy",
                    "price": 8772.05,
                    "amount": 0.1,
                }]
            }
        }

        self.listening_task = self.ev_loop.create_task(
            self.data_source.listen_for_trades(ev_loop=self.ev_loop,
                                               output=received_messages))

        self.mocking_assistant.add_websocket_text_message(
            websocket_mock=ws_connect_mock.return_value,
            message=json.dumps(message))
        trade_message = self.async_run_with_timeout(received_messages.get())

        self.assertEqual(OrderBookMessageType.TRADE, trade_message.type)
        self.assertEqual(1234567899, trade_message.timestamp)
        self.assertEqual('3333', trade_message.trade_id)
        self.assertEqual(self.trading_pair, trade_message.trading_pair)

    @patch("websockets.connect", new_callable=AsyncMock)
    def test_listen_for_trades_unrecognised(self, ws_connect_mock):
        ws_connect_mock.return_value = self.mocking_assistant.create_websocket_mock(
        )
        received_messages = asyncio.Queue()

        self.listening_task = self.ev_loop.create_task(
            self.data_source.listen_for_trades(ev_loop=self.ev_loop,
                                               output=received_messages))

        message = {"hbotusdttrades": {}}

        self.mocking_assistant.add_websocket_text_message(
            websocket_mock=ws_connect_mock.return_value,
            message=json.dumps(message))
        with self.assertRaises(asyncio.TimeoutError):
            self.async_run_with_timeout(received_messages.get())

        self.assertTrue(
            self._is_logged(
                "INFO",
                "Unrecognized message received from Altmarkets websocket: {'hbotusdttrades': {}}"
            ))

    @patch("websockets.connect", new_callable=AsyncMock)
    def test_listen_for_trades_handles_exception(self, ws_connect_mock):
        ws_connect_mock.return_value = self.mocking_assistant.create_websocket_mock(
        )
        received_messages = asyncio.Queue()

        self.listening_task = self.ev_loop.create_task(
            self.data_source.listen_for_trades(ev_loop=self.ev_loop,
                                               output=received_messages))

        message = {"hbotusdt.trades": {"tradess": []}}

        self.mocking_assistant.add_websocket_text_message(
            websocket_mock=ws_connect_mock.return_value,
            message=json.dumps(message))
        with self.assertRaises(asyncio.TimeoutError):
            self.async_run_with_timeout(received_messages.get())

        self.assertTrue(
            self._is_logged(
                "ERROR",
                "Trades: Unexpected error with WebSocket connection. Retrying after 30 seconds..."
            ))

    @patch(
        "hummingbot.connector.exchange.altmarkets.altmarkets_api_order_book_data_source.AltmarketsAPIOrderBookDataSource._time"
    )
    @patch("websockets.connect", new_callable=AsyncMock)
    def test_listen_for_order_book_diff(self, ws_connect_mock, time_mock):
        time_mock.return_value = 1234567890
        ws_connect_mock.return_value = self.mocking_assistant.create_websocket_mock(
        )
        received_messages = asyncio.Queue()

        message = {
            "hbotusdt.ob-inc": {
                "timestamp":
                1234567890,
                "asks": [[7220.08, 0], [7221.08, 0], [7222.08, 6.92321326],
                         [7219.2, 0.69259752]],
                "bids": [[7190.27, 0], [7192.27, 0], [7193.27, 6.95094164],
                         [7196.15, 0.69481598]]
            }
        }

        self.listening_task = self.ev_loop.create_task(
            self.data_source.listen_for_order_book_diffs(
                ev_loop=self.ev_loop, output=received_messages))

        self.mocking_assistant.add_websocket_text_message(
            websocket_mock=ws_connect_mock.return_value,
            message=json.dumps(message))
        diff_message = self.async_run_with_timeout(received_messages.get())

        self.assertEqual(OrderBookMessageType.DIFF, diff_message.type)
        self.assertEqual(4, len(diff_message.content.get("bids")))
        self.assertEqual(4, len(diff_message.content.get("asks")))
        self.assertEqual(1234567890, diff_message.timestamp)
        self.assertEqual(int(1234567890 * 1e3), diff_message.update_id)
        self.assertEqual(-1, diff_message.trade_id)
        self.assertEqual(self.trading_pair, diff_message.trading_pair)

    @patch(
        "hummingbot.connector.exchange.altmarkets.altmarkets_api_order_book_data_source.AltmarketsAPIOrderBookDataSource._time"
    )
    @patch("websockets.connect", new_callable=AsyncMock)
    def test_listen_for_order_book_snapshot(self, ws_connect_mock, time_mock):
        time_mock.return_value = 1234567890
        ws_connect_mock.return_value = self.mocking_assistant.create_websocket_mock(
        )
        received_messages = asyncio.Queue()

        message = {
            "hbotusdt.ob-snap": {
                "timestamp":
                1234567890,
                "asks": [[7220.08, 6.92321326], [7221.08, 6.92321326],
                         [7222.08, 6.92321326], [7219.2, 0.69259752]],
                "bids": [[7190.27, 6.95094164], [7192.27, 6.95094164],
                         [7193.27, 6.95094164], [7196.15, 0.69481598]]
            }
        }

        self.listening_task = self.ev_loop.create_task(
            self.data_source.listen_for_order_book_diffs(
                ev_loop=self.ev_loop, output=received_messages))

        self.mocking_assistant.add_websocket_text_message(
            websocket_mock=ws_connect_mock.return_value,
            message=json.dumps(message))
        diff_message = self.async_run_with_timeout(received_messages.get())

        self.assertEqual(OrderBookMessageType.SNAPSHOT, diff_message.type)
        self.assertEqual(4, len(diff_message.content.get("bids")))
        self.assertEqual(4, len(diff_message.content.get("asks")))
        self.assertEqual(1234567890, diff_message.timestamp)
        self.assertEqual(int(1234567890 * 1e3), diff_message.update_id)
        self.assertEqual(-1, diff_message.trade_id)
        self.assertEqual(self.trading_pair, diff_message.trading_pair)

    @patch(
        "hummingbot.connector.exchange.altmarkets.altmarkets_api_order_book_data_source.AltmarketsAPIOrderBookDataSource._time"
    )
    @patch("websockets.connect", new_callable=AsyncMock)
    def test_listen_for_order_book_diff_unrecognised(self, ws_connect_mock,
                                                     time_mock):
        time_mock.return_value = 1234567890
        ws_connect_mock.return_value = self.mocking_assistant.create_websocket_mock(
        )
        received_messages = asyncio.Queue()

        message = {"snapcracklepop": {}}

        self.listening_task = self.ev_loop.create_task(
            self.data_source.listen_for_order_book_diffs(
                ev_loop=self.ev_loop, output=received_messages))

        self.mocking_assistant.add_websocket_text_message(
            websocket_mock=ws_connect_mock.return_value,
            message=json.dumps(message))
        with self.assertRaises(asyncio.TimeoutError):
            self.async_run_with_timeout(received_messages.get())

        self.assertTrue(
            self._is_logged(
                "INFO",
                "Unrecognized message received from Altmarkets websocket: {'snapcracklepop': {}}"
            ))

    @patch(
        "hummingbot.connector.exchange.altmarkets.altmarkets_api_order_book_data_source.AltmarketsAPIOrderBookDataSource._time"
    )
    @patch("websockets.connect", new_callable=AsyncMock)
    def test_listen_for_order_book_diff_handles_exception(
            self, ws_connect_mock, time_mock):
        time_mock.return_value = "NaN"
        ws_connect_mock.return_value = self.mocking_assistant.create_websocket_mock(
        )
        received_messages = asyncio.Queue()

        message = {".ob-snap": {}}

        self.listening_task = self.ev_loop.create_task(
            self.data_source.listen_for_order_book_diffs(
                ev_loop=self.ev_loop, output=received_messages))

        self.mocking_assistant.add_websocket_text_message(
            websocket_mock=ws_connect_mock.return_value,
            message=json.dumps(message))
        with self.assertRaises(asyncio.TimeoutError):
            self.async_run_with_timeout(received_messages.get())

        self.assertTrue(
            self._is_logged("NETWORK",
                            "Unexpected error with WebSocket connection."))
Ejemplo n.º 4
0
class TestAltmarketsAPIUserStreamDataSource(unittest.TestCase):
    @classmethod
    def setUpClass(cls) -> None:
        super().setUpClass()
        cls.ev_loop = asyncio.get_event_loop()
        cls.base_asset = "COINALPHA"
        cls.quote_asset = "HBOT"
        cls.trading_pair = f"{cls.base_asset}-{cls.quote_asset}"

    def setUp(self) -> None:
        super().setUp()
        self.mocking_assistant = NetworkMockingAssistant()
        altmarkets_auth = AltmarketsAuth(api_key="someKey",
                                         secret_key="someSecret")
        self.data_source = AltmarketsAPIUserStreamDataSource(
            AsyncThrottler(Constants.RATE_LIMITS),
            altmarkets_auth=altmarkets_auth,
            trading_pairs=[self.trading_pair])

    def async_run_with_timeout(self, coroutine: Awaitable, timeout: int = 1):
        ret = self.ev_loop.run_until_complete(
            asyncio.wait_for(coroutine, timeout))
        return ret

    def get_user_trades_mock(self) -> Dict:
        user_trades = {
            "trade": {
                "amount": "1.0",
                "created_at": 1615978645,
                "id": 9618578,
                "market": "rogerbtc",
                "order_id": 2324774,
                "price": "0.00000004",
                "side": "sell",
                "taker_type": "sell",
                "total": "0.00000004"
            }
        }
        return user_trades

    def get_user_orders_mock(self) -> Dict:
        user_orders = {
            "order": {
                "id": 9401,
                "market": "rogerbtc",
                "kind": "ask",
                "side": "sell",
                "ord_type": "limit",
                "price": "0.00000099",
                "avg_price": "0.00000099",
                "state": "wait",
                "origin_volume": "7000.0",
                "remaining_volume": "2810.1",
                "executed_volume": "4189.9",
                "at": 1596481983,
                "created_at": 1596481983,
                "updated_at": 1596553643,
                "trades_count": 272
            }
        }
        return user_orders

    def get_user_balance_mock(self) -> Dict:
        user_balance = {
            "balance": {
                "currency": self.base_asset,
                "balance": "1032951.325075926",
                "locked": "1022943.325075926",
            }
        }
        return user_balance

    @patch("websockets.connect", new_callable=AsyncMock)
    def test_listen_for_user_stream_user_trades(self, ws_connect_mock):
        ws_connect_mock.return_value = self.mocking_assistant.create_websocket_mock(
        )
        output_queue = asyncio.Queue()
        self.ev_loop.create_task(
            self.data_source.listen_for_user_stream(output_queue))

        resp = self.get_user_trades_mock()
        self.mocking_assistant.add_websocket_text_message(
            websocket_mock=ws_connect_mock.return_value,
            message=json.dumps(resp))
        ret = self.async_run_with_timeout(coroutine=output_queue.get())
        self.assertEqual(ret, resp)

        resp = self.get_user_orders_mock()
        self.mocking_assistant.add_websocket_text_message(
            websocket_mock=ws_connect_mock.return_value,
            message=json.dumps(resp))
        ret = self.async_run_with_timeout(coroutine=output_queue.get())

        self.assertEqual(ret, resp)

        resp = self.get_user_balance_mock()
        self.mocking_assistant.add_websocket_text_message(
            websocket_mock=ws_connect_mock.return_value,
            message=json.dumps(resp))
        ret = self.async_run_with_timeout(coroutine=output_queue.get())

        self.assertEqual(ret, resp)

    @patch("websockets.connect", new_callable=AsyncMock)
    def test_listen_for_user_stream_skips_subscribe_unsubscribe_messages_updates_last_recv_time(
            self, ws_connect_mock):
        ws_connect_mock.return_value = self.mocking_assistant.create_websocket_mock(
        )
        resp = {
            "success": {
                "message": "subscribed",
                "time": 1632223851,
                "streams": "trade"
            }
        }
        self.mocking_assistant.add_websocket_text_message(
            websocket_mock=ws_connect_mock.return_value,
            message=json.dumps(resp))
        resp = {
            "success": {
                "message": "unsubscribed",
                "time": 1632223851,
                "streams": "trade"
            }
        }
        self.mocking_assistant.add_websocket_text_message(
            websocket_mock=ws_connect_mock.return_value,
            message=json.dumps(resp))

        output_queue = asyncio.Queue()
        self.ev_loop.create_task(
            self.data_source.listen_for_user_stream(output_queue))
        self.mocking_assistant.run_until_all_text_messages_delivered(
            ws_connect_mock.return_value)

        self.assertTrue(output_queue.empty())
        np.testing.assert_allclose([time.time()],
                                   self.data_source.last_recv_time,
                                   rtol=1)