async def test_get_average_of_trades_last_minute():
exchange = Exchange(CcxtExchangeWithSomeTrades())
res = await exchange.get_average_of_trades_last_minute(coin=COIN,
market=MARKET)
assert CcxtExchangeWithSomeTrades.TRADES_AVERAGE == res
async def test_get_average_of_trades_last_minute__no_trades__returns_none():
exchange = Exchange(CcxtExchangeNoTrades())
res = await exchange.get_average_of_trades_last_minute(coin=COIN,
market=MARKET)
assert res is None
async def test_get_last_minute_trades_average_or_last_trade__no_trades_from_last_minute__returns_last_trade(
):
exchange = Exchange(CcxtExchangeNoTradesFromLastMinute())
res = await exchange.get_last_minute_trades_average_or_last_trade(
coin=COIN, market=MARKET)
assert CcxtExchangeNoTradesFromLastMinute.LAST_TRADE_PRICE == res
async def test_get_volatility__no_trades__returns_0():
exchange = Exchange(CcxtExchangeNoTrades())
res = await exchange.get_volatility(coin=COIN,
market=MARKET,
time_period_in_minutes=1)
assert 0 == res
async def test_get_volatility__exception_raised__returns_none():
exchange = Exchange(CcxtExchangeThatRaisesException())
res = await exchange.get_volatility(coin=COIN,
market=MARKET,
time_period_in_minutes=1)
assert res is None
async def test_get_volatility__some_trades__returns_value():
exchange = Exchange(CcxtExchangeWithSomeTrades())
res = await exchange.get_volatility(coin=COIN,
market=MARKET,
time_period_in_minutes=1)
assert CcxtExchangeWithSomeTrades.TRADES_VOLATILITY == res
async def test_get_last_minute_trades_average_or_last_trade__exception_raised__returns_none(
):
exchange = Exchange(CcxtExchangeThatRaisesException())
res = await exchange.get_last_minute_trades_average_or_last_trade(
coin=COIN, market=MARKET)
assert res is None
def __init__(self, coins, market, exchanges=None):
if exchanges is None:
exchanges = [
ExchangeName.BINANCE, ExchangeName.BITTREX, ExchangeName.HUOBI
]
self._coins = coins
self._market = market
self._exchanges = [Exchange.get_exchange(name) for name in exchanges]
async def test_get_last_trade_price__no_trades__returns_none():
exchange = Exchange(CcxtExchangeNoTrades())
res = await exchange.get_last_trade_price(coin=COIN, market=MARKET)
assert res is None
async def test_get_last_trade_price():
exchange = Exchange(CcxtExchangeWithSomeTrades())
res = await exchange.get_last_trade_price(coin=COIN, market=MARKET)
assert 100 == res
def test_get_exchange__returns_an_exchange():
exchange = Exchange.get_exchange(ExchangeName.BITTREX)
assert isinstance(exchange, Exchange)