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Add unit test for ticker caching.

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This commit is contained in:
enenn 2018-03-16 20:42:53 +01:00
parent 78548d122a
commit 5178b469af
1 changed files with 18 additions and 0 deletions
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18
freqtrade/tests/exchange/test_exchange.py
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@ -290,6 +290,24 @@ def test_get_ticker(default_conf, mocker):
assert ticker['bid'] == 0.5 assert ticker['bid'] == 0.5
assert ticker['ask'] == 1 assert ticker['ask'] == 1
# change the ticker to a different pair which should not be cached
tick = {
'symbol': 'LTC/BTC',
'bid': 2,
'ask': 3,
'last': 4,
}
api_mock.fetch_ticker = MagicMock(return_value=tick, refresh=False)
mocker.patch('freqtrade.exchange._API', api_mock)
ticker = get_ticker(pair='LTC/BTC', refresh=False)
assert ticker['bid'] == 2
assert ticker['ask'] == 3
# check that ETH/BTC is still cached
ticker = get_ticker(pair='ETH/BTC', refresh=False)
assert ticker['bid'] == 0.5
assert ticker['ask'] == 1
with pytest.raises(NetworkException): with pytest.raises(NetworkException):
api_mock.fetch_ticker = MagicMock(side_effect=ccxt.NetworkError) api_mock.fetch_ticker = MagicMock(side_effect=ccxt.NetworkError)
mocker.patch('freqtrade.exchange._API', api_mock) mocker.patch('freqtrade.exchange._API', api_mock)