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Show warning if part of backtest data is missing

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This commit is contained in:
Matthias 2018-10-14 14:40:03 +02:00
parent e0081bcb53
commit 631ba464f3
2 changed files with 40 additions and 0 deletions
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8
freqtrade/optimize/__init__.py
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@ -113,6 +113,14 @@ def load_data(datadir: str,
for pair in pairs: for pair in pairs:
pairdata = load_tickerdata_file(datadir, pair, ticker_interval, timerange=timerange) pairdata = load_tickerdata_file(datadir, pair, ticker_interval, timerange=timerange)
if pairdata: if pairdata:
if timerange.starttype == 'date' and pairdata[0][0] > timerange.startts * 1000:
logger.warning('Missing data at start for pair %s, data starts at %s',
pair,
arrow.get(pairdata[0][0] // 1000).strftime('%Y-%m-%d %H:%M:%S'))
if timerange.stoptype == 'date' and pairdata[-1][0] < timerange.stopts * 1000:
logger.warning('Missing data at end for pair %s, data ends at %s',
pair,
arrow.get(pairdata[-1][0] // 1000).strftime('%Y-%m-%d %H:%M:%S'))
result[pair] = pairdata result[pair] = pairdata
else: else:
logger.warning( logger.warning(

32
freqtrade/tests/optimize/test_optimize.py
View File

@ -322,6 +322,38 @@ def test_load_tickerdata_file() -> None:
assert _BTC_UNITTEST_LENGTH == len(tickerdata) assert _BTC_UNITTEST_LENGTH == len(tickerdata)
def test_load_partial_missing(caplog) -> None:
# Make sure we start fresh - test missing data at start
start = arrow.get('2018-01-01T00:00:00')
end = arrow.get('2018-01-11T00:00:00')
tickerdata = optimize.load_data(None, '5m', ['UNITTEST/BTC'],
refresh_pairs=False,
timerange=TimeRange('date', 'date',
start.timestamp, end.timestamp))
# timedifference in 5 minutes
td = ((end - start).total_seconds() // 60 // 5) + 1
assert td != len(tickerdata['UNITTEST/BTC'])
start_real = arrow.get(tickerdata['UNITTEST/BTC'][0][0] / 1000)
assert log_has(f'Missing data at start for pair '
f'UNITTEST/BTC, data starts at {start_real.strftime("%Y-%m-%d %H:%M:%S")}',
caplog.record_tuples)
# Make sure we start fresh - test missing data at end
caplog.clear()
start = arrow.get('2018-01-10T00:00:00')
end = arrow.get('2018-02-20T00:00:00')
tickerdata = optimize.load_data(None, '5m', ['UNITTEST/BTC'],
refresh_pairs=False,
timerange=TimeRange('date', 'date',
start.timestamp, end.timestamp))
# timedifference in 5 minutes
td = ((end - start).total_seconds() // 60 // 5) + 1
assert td != len(tickerdata['UNITTEST/BTC'])
end_real = arrow.get(tickerdata['UNITTEST/BTC'][-1][0] / 1000)
assert log_has(f'Missing data at end for pair '
f'UNITTEST/BTC, data ends at {end_real.strftime("%Y-%m-%d %H:%M:%S")}',
caplog.record_tuples)
def test_init(default_conf, mocker) -> None: def test_init(default_conf, mocker) -> None:
exchange = get_patched_exchange(mocker, default_conf) exchange = get_patched_exchange(mocker, default_conf)
assert {} == optimize.load_data( assert {} == optimize.load_data(