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Add test for spreadfilter division exception

This commit is contained in:
Matthias 2021-01-26 17:15:47 +01:00
parent 5ab8cc56a4
commit 4d7f3e570b
1 changed files with 26 additions and 0 deletions
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26
tests/plugins/test_pairlist.py
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@ -719,6 +719,32 @@ def test_rangestabilityfilter_caching(mocker, markets, default_conf, tickers, oh
assert freqtrade.exchange.refresh_latest_ohlcv.call_count == previous_call_count
def test_spreadfilter_invalid_data(mocker, default_conf, markets, tickers, caplog):
default_conf['pairlists'] = [{'method': 'VolumePairList', 'number_assets': 10},
{'method': 'SpreadFilter', 'max_spread_ratio': 0.1}]
mocker.patch.multiple('freqtrade.exchange.Exchange',
markets=PropertyMock(return_value=markets),
exchange_has=MagicMock(return_value=True),
get_tickers=tickers
)
ftbot = get_patched_freqtradebot(mocker, default_conf)
ftbot.pairlists.refresh_pairlist()
assert len(ftbot.pairlists.whitelist) == 5
tickers.return_value['ETH/BTC']['ask'] = 0.0
del tickers.return_value['TKN/BTC']
del tickers.return_value['LTC/BTC']
mocker.patch.multiple('freqtrade.exchange.Exchange', get_tickers=tickers)
ftbot.pairlists.refresh_pairlist()
assert log_has_re(r'Removed .* invalid ticker data.*', caplog)
assert len(ftbot.pairlists.whitelist) == 2
@pytest.mark.parametrize("pairlistconfig,desc_expected,exception_expected", [
({"method": "PriceFilter", "low_price_ratio": 0.001, "min_price": 0.00000010,
"max_price": 1.0},