def test_on_message(self): client = BcexClient([Symbol.ALGOUSD]) client._check_message_seqnum = Mock() channels = [ "dummy_channel", Channel.TRADES, Channel.TICKER, Channel.PRICES, Channel.AUTH, Channel.BALANCES, Channel.HEARTBEAT, Channel.SYMBOLS, Channel.L2, Channel.L3, ] # set up the mocks mocks = [Mock() for _ in range(len(channels))] client._on_message_unsupported = mocks[0] client._on_market_trade_updates = mocks[1] client._on_ticker_updates = mocks[2] client._on_price_updates = mocks[3] client._on_auth_updates = mocks[4] client._on_balance_updates = mocks[5] client._on_heartbeat_updates = mocks[6] client._on_symbols_updates = mocks[7] client._on_l2_updates = mocks[8] client._on_l3_updates = mocks[9] # checks msg = {} for i, ch in enumerate(channels): msg.update({"channel": ch}) client.on_message(json.dumps(msg)) assert client._check_message_seqnum.call_count == i + 1 for j in range(i): assert mocks[j].call_count == 1 for j in range(i + 1, len(channels)): assert mocks[j].call_count == 0 assert mocks[i].call_args[0][0] == msg client.on_message(None)
def test_seqnum(self): # first message should be 0 client = BcexClient([Symbol.ALGOUSD]) client.exit = Mock() client._on_heartbeat_updates = Mock() assert client._seqnum == -1 client.on_message( json.dumps({ "seqnum": 0, "channel": Channel.HEARTBEAT })) assert client.exit.call_count == 0 # if first message is not 0 it exits client = BcexClient([Symbol.ALGOUSD]) client.exit = Mock() client._on_heartbeat_updates = Mock() client.on_message( json.dumps({ "seqnum": 1, "channel": Channel.HEARTBEAT })) assert client.exit.call_count == 1 # if one message has not been received it exits client = BcexClient([Symbol.ALGOUSD]) client.exit = Mock() client._on_heartbeat_updates = Mock() client.on_message( json.dumps({ "seqnum": 0, "channel": Channel.HEARTBEAT })) client.on_message( json.dumps({ "seqnum": 1, "channel": Channel.HEARTBEAT })) client.on_message( json.dumps({ "seqnum": 2, "channel": Channel.HEARTBEAT })) client.on_message( json.dumps({ "seqnum": 3, "channel": Channel.HEARTBEAT })) assert client.exit.call_count == 0 client.on_message( json.dumps({ "seqnum": 5, "channel": Channel.HEARTBEAT })) assert client.exit.call_count == 1