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Add tests for price_one_pip

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This commit is contained in:
Matthias 2020-04-15 07:53:31 +02:00
parent 36e714a7b2
commit 33b6c7de5b
2 changed files with 27 additions and 1 deletions
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2
freqtrade/exchange/exchange.py
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@ -459,7 +459,7 @@ class Exchange:
"""
precision = self.markets[pair]['precision']['price']
if self.precisionMode == TICK_SIZE:
return price % precision
return precision
else:
return 1 / pow(10, precision)

26
tests/exchange/test_exchange.py
View File

@ -253,6 +253,32 @@ def test_price_to_precision(default_conf, mocker, price, precision_mode, precisi
assert pytest.approx(exchange.price_to_precision(pair, price)) == expected
@pytest.mark.parametrize("price,precision_mode,precision,expected", [
(2.34559, 2, 4, 0.0001),
(2.34559, 2, 5, 0.00001),
(2.34559, 2, 3, 0.001),
(2.9999, 2, 3, 0.001),
(200.0511, 2, 3, 0.001),
# Tests for Tick_size
(2.34559, 4, 0.0001, 0.0001),
(2.34559, 4, 0.00001, 0.00001),
(2.34559, 4, 0.0025, 0.0025),
(2.9909, 4, 0.0025, 0.0025),
(234.43, 4, 0.5, 0.5),
(234.43, 4, 0.0025, 0.0025),
(234.43, 4, 0.00013, 0.00013),
])
def test_price_get_one_pip(default_conf, mocker, price, precision_mode, precision, expected):
markets = PropertyMock(return_value={'ETH/BTC': {'precision': {'price': precision}}})
exchange = get_patched_exchange(mocker, default_conf, id="binance")
mocker.patch('freqtrade.exchange.Exchange.markets', markets)
mocker.patch('freqtrade.exchange.Exchange.precisionMode',
PropertyMock(return_value=precision_mode))
pair = 'ETH/BTC'
assert pytest.approx(exchange.price_get_one_pip(pair, price)) == expected
def test_set_sandbox(default_conf, mocker):
"""
Test working scenario