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Add tests for fee extraction methods

This commit is contained in:
Matthias 2020-04-30 20:05:27 +02:00
parent 2e4dc6c253
commit e74ed0ba7b
2 changed files with 22 additions and 0 deletions
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2
freqtrade/exchange/exchange.py
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@ -1087,6 +1087,8 @@ class Exchange:
@staticmethod
def extract_cost_curr_rate(order: Dict) -> Tuple[float, str, float]:
"""
Extract tuple of cost, currency, rate.
Requires order_has_fee to run first!
:param order: Order or trade (one trade) dict
:return: Tuple with cost, currency, rate of the given fee dict
"""

20
tests/exchange/test_exchange.py
View File

@ -2145,3 +2145,23 @@ def test_symbol_is_pair(market_symbol, base_currency, quote_currency, expected_r
])
def test_market_is_active(market, expected_result) -> None:
assert market_is_active(market) == expected_result
@pytest.mark.parametrize("order,expected", [
([{'fee'}], False),
({'fee': None}, False),
({'fee': {'currency': 'ETH/BTC'}}, False),
({'fee': {'currency': 'ETH/BTC', 'cost': None}}, False),
({'fee': {'currency': 'ETH/BTC', 'cost': 0.01}}, True),
])
def test_order_has_fee(order, expected) -> None:
assert Exchange.order_has_fee(order) == expected
@pytest.mark.parametrize("order,expected", [
({'fee': {'currency': 'ETH/BTC', 'cost': 0.43}}, (0.43, 'ETH/BTC', None)),
({'fee': {'currency': 'ETH/USDT', 'cost': 0.01}}, (0.01, 'ETH/USDT', None)),
({'fee': {'currency': 'ETH/USDT', 'cost': 0.34, 'rate': 0.01}}, (0.34, 'ETH/USDT', 0.01)),
])
def test_extract_cost_curr_rate(order, expected) -> None:
assert Exchange.extract_cost_curr_rate(order) == expected