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Mock fee during testing as 0.0025

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Ensures profit calculations does not vary if exchange fees change, which can cause tests to fail
This commit is contained in:
enenn
2018-03-25 22:59:58 +02:00
parent 0ae5b75f33
commit 12a84cc30b
4 changed files with 53 additions and 23 deletions
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16
freqtrade/tests/optimize/test_backtesting.py
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@@ -481,7 +481,11 @@ def test_processed() -> None:
assert col in cols
def test_backtest_pricecontours(default_conf) -> None:
def test_backtest_pricecontours(init_backtesting, default_conf, mocker) -> None:
mocker.patch(
'freqtrade.optimize.backtesting.exchange.get_fee',
MagicMock(return_value=0.0025)
)
tests = [['raise', 17], ['lower', 0], ['sine', 17]]
for [contour, numres] in tests:
simple_backtest(default_conf, contour, numres)
@@ -521,7 +525,11 @@ def test_backtest_only_sell(default_conf):
assert results.empty
def test_backtest_alternate_buy_sell(default_conf):
def test_backtest_alternate_buy_sell(init_backtesting, default_conf, mocker):
mocker.patch(
'freqtrade.optimize.backtesting.exchange.get_fee',
MagicMock(return_value=0.0025)
)
backtest_conf = _make_backtest_conf(conf=default_conf, pair='UNITTEST/BTC')
results = _run_backtest_1(_trend_alternate, backtest_conf)
assert len(results) == 3
@@ -530,6 +538,10 @@ def test_backtest_alternate_buy_sell(default_conf):
def test_backtest_record(default_conf, mocker):
names = []
records = []
mocker.patch(
'freqtrade.optimize.backtesting.exchange.get_fee',
MagicMock(return_value=0.0025)
)
mocker.patch(
'freqtrade.optimize.backtesting.file_dump_json',
new=lambda n, r: (names.append(n), records.append(r))