adelorenzo/stable
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Merge pull request #3425 from freqtrade/sell_rate_raise_empty

Browse Source 
Verify sell-rate returns a value.
This commit is contained in:
hroff-1902 2020-06-02 02:22:56 +03:00 committed by GitHub
commit 7b9bb5ba3d
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 24 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
freqtrade/freqtradebot.py
View File

@ -676,6 +676,8 @@ class FreqtradeBot:
raise PricingError from e
else:
rate = self.exchange.fetch_ticker(pair)[ask_strategy['price_side']]
if rate is None:
raise PricingError(f"Sell-Rate for {pair} was empty.")
self._sell_rate_cache[pair] = rate
return rate

22
tests/test_freqtradebot.py
View File

@ -3931,6 +3931,28 @@ def test_get_sell_rate_orderbook_exception(default_conf, mocker, caplog):
assert log_has("Sell Price at location from orderbook could not be determined.", caplog)
def test_get_sell_rate_exception(default_conf, mocker, caplog):
# Ticker on one side can be empty in certain circumstances.
default_conf['ask_strategy']['price_side'] = 'ask'
pair = "ETH/BTC"
mocker.patch('freqtrade.exchange.Exchange.fetch_ticker',
return_value={'ask': None, 'bid': 0.12})
ft = get_patched_freqtradebot(mocker, default_conf)
with pytest.raises(PricingError, match=r"Sell-Rate for ETH/BTC was empty."):
ft.get_sell_rate(pair, True)
ft.config['ask_strategy']['price_side'] = 'bid'
assert ft.get_sell_rate(pair, True) == 0.12
# Reverse sides
mocker.patch('freqtrade.exchange.Exchange.fetch_ticker',
return_value={'ask': 0.13, 'bid': None})
with pytest.raises(PricingError, match=r"Sell-Rate for ETH/BTC was empty."):
ft.get_sell_rate(pair, True)
ft.config['ask_strategy']['price_side'] = 'ask'
assert ft.get_sell_rate(pair, True) == 0.13
def test_startup_state(default_conf, mocker):
default_conf['pairlist'] = {'method': 'VolumePairList',
'config': {'number_assets': 20}