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Add test for failing stake_validation

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This commit is contained in:
Matthias 2020-01-11 13:14:19 +01:00
parent a7246ba1ec
commit 3519cebf66
2 changed files with 22 additions and 4 deletions
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9
freqtrade/exchange/exchange.py
View File

@ -216,8 +216,9 @@ class Exchange:
Return a list of supported quote currencies
"""
markets = self.markets
currencies = set([x.get('quote') for _, x in markets.items()])
return list(currencies)
currencies = list(set([x.get('quote') for _, x in markets.items()]))
currencies.sort()
return currencies
def klines(self, pair_interval: Tuple[str, str], copy=True) -> DataFrame:
if pair_interval in self._klines:
@ -277,8 +278,8 @@ class Exchange:
quote_currencies = self.get_quote_currencies()
if stake_currency not in quote_currencies:
raise OperationalException(
f"{stake_currency} is not available as stake on {self.name}."
f"Available currencies are: {','.join(quote_currencies)}")
f"{stake_currency} is not available as stake on {self.name}. "
f"Available currencies are: {', '.join(quote_currencies)}")
def validate_pairs(self, pairs: List[str]) -> None:
"""

17
tests/exchange/test_exchange.py
View File

@ -333,6 +333,23 @@ def test_validate_stake_currency(default_conf, stake_currency, mocker, caplog):
Exchange(default_conf)
def test_validate_stake_currency_error(default_conf, mocker, caplog):
default_conf['stake_currency'] = 'XRP'
api_mock = MagicMock()
type(api_mock).markets = PropertyMock(return_value={
'ETH/BTC': {'quote': 'BTC'}, 'LTC/BTC': {'quote': 'BTC'},
'XRP/ETH': {'quote': 'ETH'}, 'NEO/USDT': {'quote': 'USDT'},
})
mocker.patch('freqtrade.exchange.Exchange._init_ccxt', MagicMock(return_value=api_mock))
mocker.patch('freqtrade.exchange.Exchange.validate_pairs')
mocker.patch('freqtrade.exchange.Exchange.validate_timeframes')
mocker.patch('freqtrade.exchange.Exchange._load_async_markets')
with pytest.raises(OperationalException,
match=r'XRP is not available as stake on .*'
'Available currencies are: BTC, ETH, USDT'):
Exchange(default_conf)
def test_get_quote_currencies(default_conf, mocker):
ex = get_patched_exchange(mocker, default_conf)