def test_listen_for_subscriptions_raises_cancel_exception( self, mock_api, _, ws_connect_mock): url = web_utils.rest_url(path_url=CONSTANTS.PUBLIC_WS_DATA_PATH_URL) resp = { "code": "200000", "data": { "instanceServers": [{ "endpoint": "wss://test.url/endpoint", "protocol": "websocket", "encrypt": True, "pingInterval": 50000, "pingTimeout": 10000 }], "token": "testToken" } } mock_api.post(url, body=json.dumps(resp)) ws_connect_mock.side_effect = asyncio.CancelledError with self.assertRaises(asyncio.CancelledError): self.listening_task = self.ev_loop.create_task( self.ob_data_source.listen_for_subscriptions()) self.async_run_with_timeout(self.listening_task)
def test_listen_for_subscriptions_logs_exception_details( self, mock_api, sleep_mock, ws_connect_mock): url = web_utils.rest_url(path_url=CONSTANTS.PUBLIC_WS_DATA_PATH_URL) resp = { "code": "200000", "data": { "instanceServers": [{ "endpoint": "wss://test.url/endpoint", "protocol": "websocket", "encrypt": True, "pingInterval": 50000, "pingTimeout": 10000 }], "token": "testToken" } } mock_api.post(url, body=json.dumps(resp)) sleep_mock.side_effect = asyncio.CancelledError ws_connect_mock.side_effect = Exception("TEST ERROR.") with self.assertRaises(asyncio.CancelledError): self.listening_task = self.ev_loop.create_task( self.ob_data_source.listen_for_subscriptions()) self.async_run_with_timeout(self.listening_task) self.assertTrue( self._is_logged( "ERROR", "Unexpected error occurred when listening to order book streams. Retrying in 5 seconds..." ))
def test_fetch_trading_pairs(self, mock_api): KucoinAPIOrderBookDataSource._trading_pair_symbol_map = {} url = web_utils.rest_url(path_url=CONSTANTS.EXCHANGE_INFO_PATH_URL) resp = { "data": [{ "symbol": self.trading_pair, "name": self.trading_pair, "baseCurrency": self.base_asset, "quoteCurrency": self.quote_asset, "enableTrading": True, }, { "symbol": "SOME-PAIR", "name": "SOME-PAIR", "baseCurrency": "SOME", "quoteCurrency": "PAIR", "enableTrading": False, }] } mock_api.get(url, body=json.dumps(resp)) ret = self.async_run_with_timeout( coroutine=KucoinAPIOrderBookDataSource.fetch_trading_pairs( throttler=self.throttler, time_synchronizer=self.time_synchronnizer, )) self.assertEqual(1, len(ret)) self.assertEqual(self.trading_pair, ret[0])
def test_listen_for_user_stream_iter_message_throws_exception( self, mock_api, sleep_mock, mock_ws): url = web_utils.rest_url(path_url=CONSTANTS.PRIVATE_WS_DATA_PATH_URL) regex_url = re.compile(f"^{url}".replace(".", r"\.").replace("?", r"\?")) mock_response = self.get_listen_key_mock() mock_api.post(regex_url, body=json.dumps(mock_response)) msg_queue: asyncio.Queue = asyncio.Queue() mock_ws.return_value = self.mocking_assistant.create_websocket_mock() mock_ws.return_value.receive.side_effect = Exception("TEST ERROR") sleep_mock.side_effect = asyncio.CancelledError # to finish the task execution try: self.async_run_with_timeout( self.data_source.listen_for_user_stream(msg_queue)) except asyncio.CancelledError: pass self.assertTrue( self._is_logged( "ERROR", "Unexpected error occurred when listening to user streams. Retrying in 5 seconds..." ))
def test_listen_for_order_book_snapshots_successful( self, mock_api, ): msg_queue: asyncio.Queue = asyncio.Queue() url = web_utils.rest_url(path_url=CONSTANTS.SNAPSHOT_NO_AUTH_PATH_URL) regex_url = re.compile(f"^{url}".replace(".", r"\.").replace("?", r"\?")) snapshot_data = { "code": "200000", "data": { "sequence": "3262786978", "time": 1550653727731, "bids": [["6500.12", "0.45054140"], ["6500.11", "0.45054140"]], "asks": [["6500.16", "0.57753524"], ["6500.15", "0.57753524"]] } } mock_api.get(regex_url, body=json.dumps(snapshot_data)) self.listening_task = self.ev_loop.create_task( self.ob_data_source.listen_for_order_book_snapshots( self.ev_loop, msg_queue)) msg: OrderBookMessage = self.async_run_with_timeout(msg_queue.get()) self.assertEqual(int(snapshot_data["data"]["sequence"]), msg.update_id)
def test_get_snapshot_raises(self, mock_api): url = web_utils.rest_url(path_url=CONSTANTS.SNAPSHOT_NO_AUTH_PATH_URL) regex_url = re.compile(f"^{url}".replace(".", r"\.").replace("?", r"\?")) mock_api.get(regex_url, status=500) with self.assertRaises(IOError): self.async_run_with_timeout( coroutine=self.ob_data_source.get_snapshot(self.trading_pair))
def test_listen_for_user_stream_sends_ping_message_before_ping_interval_finishes( self, mock_api, time_mock, id_mock, ws_connect_mock): id_mock.side_effect = [1, 2, 3, 4] time_mock.side_effect = [ 1000, 1100, 1101, 1102 ] # Simulate first ping interval is already due url = web_utils.rest_url(path_url=CONSTANTS.PRIVATE_WS_DATA_PATH_URL) resp = { "code": "200000", "data": { "instanceServers": [{ "endpoint": "wss://test.url/endpoint", "protocol": "websocket", "encrypt": True, "pingInterval": 20000, "pingTimeout": 10000 }], "token": "testToken" } } mock_api.post(url, body=json.dumps(resp)) ws_connect_mock.return_value = self.mocking_assistant.create_websocket_mock( ) result_subscribe_trades = {"type": "ack", "id": 1} result_subscribe_diffs = {"type": "ack", "id": 2} self.mocking_assistant.add_websocket_aiohttp_message( websocket_mock=ws_connect_mock.return_value, message=json.dumps(result_subscribe_trades)) self.mocking_assistant.add_websocket_aiohttp_message( websocket_mock=ws_connect_mock.return_value, message=json.dumps(result_subscribe_diffs)) output_queue = asyncio.Queue() self.listening_task = self.ev_loop.create_task( self.data_source.listen_for_user_stream(output=output_queue)) self.mocking_assistant.run_until_all_aiohttp_messages_delivered( ws_connect_mock.return_value) sent_messages = self.mocking_assistant.json_messages_sent_through_websocket( websocket_mock=ws_connect_mock.return_value) expected_ping_message = { "id": 3, "type": "ping", } self.assertEqual(expected_ping_message, sent_messages[-1])
def test_get_snapshot(self, mock_api): url = web_utils.rest_url(path_url=CONSTANTS.SNAPSHOT_NO_AUTH_PATH_URL) regex_url = re.compile(f"^{url}".replace(".", r"\.").replace("?", r"\?")) resp = self.get_snapshot_mock() mock_api.get(regex_url, body=json.dumps(resp)) ret = self.async_run_with_timeout( coroutine=self.ob_data_source.get_snapshot(self.trading_pair)) self.assertEqual(ret, resp) # shallow comparison ok
def test_listen_for_order_book_snapshots_cancelled_when_fetching_snapshot( self, mock_api): url = web_utils.rest_url(path_url=CONSTANTS.SNAPSHOT_NO_AUTH_PATH_URL) regex_url = re.compile(f"^{url}".replace(".", r"\.").replace("?", r"\?")) mock_api.get(regex_url, exception=asyncio.CancelledError) with self.assertRaises(asyncio.CancelledError): self.async_run_with_timeout( self.ob_data_source.listen_for_order_book_snapshots( self.ev_loop, asyncio.Queue()))
def test_fetch_trading_pairs_exception_raised(self, mock_api): KucoinAPIOrderBookDataSource._trading_pair_symbol_map = {} url = web_utils.rest_url(path_url=CONSTANTS.EXCHANGE_INFO_PATH_URL) regex_url = re.compile(f"^{url}".replace(".", r"\.").replace("?", r"\?")) mock_api.get(regex_url, exception=Exception) result: Dict[str] = self.async_run_with_timeout( self.ob_data_source.fetch_trading_pairs()) self.assertEqual(0, len(result))
def test_listen_for_user_stream_get_listen_key_successful_with_user_update_event( self, mock_api, mock_ws): url = web_utils.rest_url(path_url=CONSTANTS.PRIVATE_WS_DATA_PATH_URL) regex_url = re.compile(f"^{url}".replace(".", r"\.").replace("?", r"\?")) mock_response = self.get_listen_key_mock() mock_api.post(regex_url, body=json.dumps(mock_response)) mock_ws.return_value = self.mocking_assistant.create_websocket_mock() order_event = { "type": "message", "topic": "/spotMarket/tradeOrders", "subject": "orderChange", "channelType": "private", "data": { "symbol": "KCS-USDT", "orderType": "limit", "side": "buy", "orderId": "5efab07953bdea00089965d2", "type": "open", "orderTime": 1593487481683297666, "size": "0.1", "filledSize": "0", "price": "0.937", "clientOid": "1593487481000906", "remainSize": "0.1", "status": "open", "ts": 1593487481683297666 } } self.mocking_assistant.add_websocket_aiohttp_message( mock_ws.return_value, json.dumps(order_event)) msg_queue = asyncio.Queue() self.listening_task = self.ev_loop.create_task( self.data_source.listen_for_user_stream(msg_queue)) msg = self.async_run_with_timeout(msg_queue.get()) self.assertEqual(order_event, msg) mock_ws.return_value.ping.assert_called()
def test_get_new_order_book(self, mock_api): url = web_utils.rest_url(path_url=CONSTANTS.SNAPSHOT_NO_AUTH_PATH_URL) regex_url = re.compile(f"^{url}".replace(".", r"\.").replace("?", r"\?")) resp = self.get_snapshot_mock() mock_api.get(regex_url, body=json.dumps(resp)) ret = self.async_run_with_timeout( coroutine=self.ob_data_source.get_new_order_book( self.trading_pair)) bid_entries = list(ret.bid_entries()) ask_entries = list(ret.ask_entries()) self.assertEqual(1, len(bid_entries)) self.assertEqual(0.3003, bid_entries[0].price) self.assertEqual(4146.5645, bid_entries[0].amount) self.assertEqual(int(resp["data"]["sequence"]), bid_entries[0].update_id) self.assertEqual(1, len(ask_entries)) self.assertEqual(0.3004, ask_entries[0].price) self.assertEqual(1553.6412, ask_entries[0].amount) self.assertEqual(int(resp["data"]["sequence"]), ask_entries[0].update_id)
def test_listen_for_order_book_snapshots_log_exception( self, mock_api, sleep_mock): msg_queue: asyncio.Queue = asyncio.Queue() sleep_mock.side_effect = asyncio.CancelledError url = web_utils.rest_url(path_url=CONSTANTS.SNAPSHOT_NO_AUTH_PATH_URL) regex_url = re.compile(f"^{url}".replace(".", r"\.").replace("?", r"\?")) mock_api.get(regex_url, exception=Exception) try: self.async_run_with_timeout( self.ob_data_source.listen_for_order_book_snapshots( self.ev_loop, msg_queue)) except asyncio.CancelledError: pass self.assertTrue( self._is_logged( "ERROR", f"Unexpected error fetching order book snapshot for {self.trading_pair}." ))
def test_listen_for_user_stream_does_not_queue_pong_payload( self, mock_api, mock_ws): url = web_utils.rest_url(path_url=CONSTANTS.PRIVATE_WS_DATA_PATH_URL) regex_url = re.compile(f"^{url}".replace(".", r"\.").replace("?", r"\?")) mock_response = self.get_listen_key_mock() mock_pong = {"id": "1545910590801", "type": "pong"} mock_api.post(regex_url, body=json.dumps(mock_response)) mock_ws.return_value = self.mocking_assistant.create_websocket_mock() self.mocking_assistant.add_websocket_aiohttp_message( mock_ws.return_value, json.dumps(mock_pong)) msg_queue = asyncio.Queue() self.listening_task = self.ev_loop.create_task( self.data_source.listen_for_user_stream(msg_queue)) self.mocking_assistant.run_until_all_aiohttp_messages_delivered( mock_ws.return_value) self.assertEqual(0, msg_queue.qsize())
def test_listen_for_subscriptions_subscribes_to_trades_and_order_diffs( self, mock_api, id_mock, ws_connect_mock): id_mock.side_effect = [1, 2] url = web_utils.rest_url(path_url=CONSTANTS.PUBLIC_WS_DATA_PATH_URL) resp = { "code": "200000", "data": { "instanceServers": [{ "endpoint": "wss://test.url/endpoint", "protocol": "websocket", "encrypt": True, "pingInterval": 50000, "pingTimeout": 10000 }], "token": "testToken" } } mock_api.post(url, body=json.dumps(resp)) ws_connect_mock.return_value = self.mocking_assistant.create_websocket_mock( ) result_subscribe_trades = {"type": "ack", "id": 1} result_subscribe_diffs = {"type": "ack", "id": 2} self.mocking_assistant.add_websocket_aiohttp_message( websocket_mock=ws_connect_mock.return_value, message=json.dumps(result_subscribe_trades)) self.mocking_assistant.add_websocket_aiohttp_message( websocket_mock=ws_connect_mock.return_value, message=json.dumps(result_subscribe_diffs)) self.listening_task = self.ev_loop.create_task( self.ob_data_source.listen_for_subscriptions()) self.mocking_assistant.run_until_all_aiohttp_messages_delivered( ws_connect_mock.return_value) sent_subscription_messages = self.mocking_assistant.json_messages_sent_through_websocket( websocket_mock=ws_connect_mock.return_value) self.assertEqual(2, len(sent_subscription_messages)) expected_trade_subscription = { "id": 1, "type": "subscribe", "topic": f"/market/match:{self.trading_pair}", "privateChannel": False, "response": False } self.assertEqual(expected_trade_subscription, sent_subscription_messages[0]) expected_diff_subscription = { "id": 2, "type": "subscribe", "topic": f"/market/level2:{self.trading_pair}", "privateChannel": False, "response": False } self.assertEqual(expected_diff_subscription, sent_subscription_messages[1]) self.assertTrue( self._is_logged( "INFO", "Subscribed to public order book and trade channels..."))
def test_get_last_traded_prices(self, mock_api): KucoinAPIOrderBookDataSource._trading_pair_symbol_map[ CONSTANTS.DEFAULT_DOMAIN]["TKN1-TKN2"] = "TKN1-TKN2" url1 = web_utils.rest_url( path_url=CONSTANTS.TICKER_PRICE_CHANGE_PATH_URL, domain=CONSTANTS.DEFAULT_DOMAIN) url1 = f"{url1}?symbol={self.trading_pair}" regex_url = re.compile(f"^{url1}".replace(".", r"\.").replace("?", r"\?")) resp = { "code": "200000", "data": { "sequence": "1550467636704", "bestAsk": "0.03715004", "size": "0.17", "price": "100", "bestBidSize": "3.803", "bestBid": "0.03710768", "bestAskSize": "1.788", "time": 1550653727731 } } mock_api.get(regex_url, body=json.dumps(resp)) url2 = web_utils.rest_url( path_url=CONSTANTS.TICKER_PRICE_CHANGE_PATH_URL, domain=CONSTANTS.DEFAULT_DOMAIN) url2 = f"{url2}?symbol=TKN1-TKN2" regex_url = re.compile(f"^{url2}".replace(".", r"\.").replace("?", r"\?")) resp = { "code": "200000", "data": { "sequence": "1550467636704", "bestAsk": "0.03715004", "size": "0.17", "price": "200", "bestBidSize": "3.803", "bestBid": "0.03710768", "bestAskSize": "1.788", "time": 1550653727731 } } mock_api.get(regex_url, body=json.dumps(resp)) ret = self.async_run_with_timeout( coroutine=KucoinAPIOrderBookDataSource.get_last_traded_prices( [self.trading_pair, "TKN1-TKN2"])) ticker_requests = [(key, value) for key, value in mock_api.requests.items() if key[1].human_repr().startswith(url1) or key[1].human_repr().startswith(url2)] request_params = ticker_requests[0][1][0].kwargs["params"] self.assertEqual(f"{self.base_asset}-{self.quote_asset}", request_params["symbol"]) request_params = ticker_requests[1][1][0].kwargs["params"] self.assertEqual("TKN1-TKN2", request_params["symbol"]) self.assertEqual(ret[self.trading_pair], 100) self.assertEqual(ret["TKN1-TKN2"], 200)
def test_listen_for_user_stream_subscribes_to_orders_and_balances_events( self, mock_api, id_mock, ws_connect_mock): id_mock.side_effect = [1, 2] url = web_utils.rest_url(path_url=CONSTANTS.PRIVATE_WS_DATA_PATH_URL) resp = { "code": "200000", "data": { "instanceServers": [{ "endpoint": "wss://test.url/endpoint", "protocol": "websocket", "encrypt": True, "pingInterval": 50000, "pingTimeout": 10000 }], "token": "testToken" } } mock_api.post(url, body=json.dumps(resp)) ws_connect_mock.return_value = self.mocking_assistant.create_websocket_mock( ) result_subscribe_trades = {"type": "ack", "id": 1} result_subscribe_diffs = {"type": "ack", "id": 2} self.mocking_assistant.add_websocket_aiohttp_message( websocket_mock=ws_connect_mock.return_value, message=json.dumps(result_subscribe_trades)) self.mocking_assistant.add_websocket_aiohttp_message( websocket_mock=ws_connect_mock.return_value, message=json.dumps(result_subscribe_diffs)) output_queue = asyncio.Queue() self.listening_task = self.ev_loop.create_task( self.data_source.listen_for_user_stream(output=output_queue)) self.mocking_assistant.run_until_all_aiohttp_messages_delivered( ws_connect_mock.return_value) sent_subscription_messages = self.mocking_assistant.json_messages_sent_through_websocket( websocket_mock=ws_connect_mock.return_value) self.assertEqual(2, len(sent_subscription_messages)) expected_orders_subscription = { "id": 1, "type": "subscribe", "topic": "/spotMarket/tradeOrders", "privateChannel": True, "response": False } self.assertEqual(expected_orders_subscription, sent_subscription_messages[0]) expected_balances_subscription = { "id": 2, "type": "subscribe", "topic": "/account/balance", "privateChannel": True, "response": False } self.assertEqual(expected_balances_subscription, sent_subscription_messages[1]) self.assertTrue( self._is_logged( "INFO", "Subscribed to private order changes and balance updates channels..." ))