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Fix small bug and test

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This commit is contained in:
Matthias 2019-12-27 07:07:27 +01:00
parent c648d973c1
commit df085a6f15
2 changed files with 6 additions and 2 deletions
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4
freqtrade/data/history.py
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@ -239,10 +239,12 @@ def _load_cached_data_for_updating(pair: str, timeframe: str, timerange: Optiona
timerange=None, fill_missing=False,
drop_incomplete=True, warn_no_data=False)
if not data.empty:
if start < data.iloc[0]['date']:
if start and start < data.iloc[0]['date']:
# Earlier data than existing data requested, redownload all
return DataFrame(columns=DEFAULT_DATAFRAME_COLUMNS), None
start = data.iloc[-1]['date']
start_ms = int(start.timestamp() * 1000) if start else None
return data, start_ms

4
tests/data/test_history.py
View File

@ -301,7 +301,9 @@ def test_download_pair_history2(mocker, default_conf, testdatadir) -> None:
[1509836520000, 0.00162008, 0.00162008, 0.00162008, 0.00162008, 108.14853839],
[1509836580000, 0.00161, 0.00161, 0.00161, 0.00161, 82.390199]
]
json_dump_mock = mocker.patch('freqtrade.misc.file_dump_json', return_value=None)
json_dump_mock = mocker.patch(
'freqtrade.data.datahandlers.jsondatahandler.JsonDataHandler.ohlcv_store',
return_value=None)
mocker.patch('freqtrade.exchange.Exchange.get_historic_ohlcv', return_value=tick)
exchange = get_patched_exchange(mocker, default_conf)
_download_pair_history(testdatadir, exchange, pair="UNITTEST/BTC", timeframe='1m')