def test_get_btcusdt_when_loaded_returns_expected_instrument(self):
# Arrange
mock_client = MagicMock()
mock_client.name = "Binance"
with open(TEST_PATH + "res_instruments.json") as response:
instruments = json.load(response)
mock_client.markets = instruments
provider = BinanceInstrumentProvider(client=mock_client)
provider.load_all()
symbol = Symbol("BTC/USDT", Venue("BINANCE"))
# Act
instrument = provider.get(symbol)
# Assert
self.assertEqual(Instrument, type(instrument))
self.assertEqual(AssetClass.CRYPTO, instrument.asset_class)
self.assertEqual(AssetType.SPOT, instrument.asset_type)
self.assertEqual(BTC, instrument.base_currency)
self.assertEqual(USDT, instrument.quote_currency)
self.assertEqual(USDT, instrument.settlement_currency)
def test_get_btcusdt_when_not_loaded_returns_none(self):
# Arrange
mock_client = MagicMock()
mock_client.name = "Binance"
provider = BinanceInstrumentProvider(client=mock_client)
symbol = Symbol("BTC/USDT", Venue("BINANCE"))
# Act
instrument = provider.get(symbol)
# Assert
self.assertIsNone(instrument)