stable/freqtrade/tests/optimize/test_optimize.py

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# pragma pylint: disable=missing-docstring,W0212
import os
import logging
from shutil import copyfile
from freqtrade import exchange, optimize
from freqtrade.exchange import Bittrex
from freqtrade.optimize.__init__ import make_testdata_path, download_pairs,\
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download_backtesting_testdata, load_tickerdata_file
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# Change this if modifying BTC_UNITEST testdatafile
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_BTC_UNITTEST_LENGTH = 13681
def _backup_file(file: str, copy_file: bool = False) -> None:
"""
Backup existing file to avoid deleting the user file
:param file: complete path to the file
:param touch_file: create an empty file in replacement
:return: None
"""
file_swp = file + '.swp'
if os.path.isfile(file):
os.rename(file, file_swp)
if copy_file:
copyfile(file_swp, file)
def _clean_test_file(file: str) -> None:
"""
Backup existing file to avoid deleting the user file
:param file: complete path to the file
:return: None
"""
file_swp = file + '.swp'
# 1. Delete file from the test
if os.path.isfile(file):
os.remove(file)
# 2. Rollback to the initial file
if os.path.isfile(file_swp):
os.rename(file_swp, file)
def test_load_data_30min_ticker(default_conf, ticker_history, mocker, caplog):
mocker.patch('freqtrade.optimize.get_ticker_history', return_value=ticker_history)
mocker.patch.dict('freqtrade.main._CONF', default_conf)
exchange._API = Bittrex({'key': '', 'secret': ''})
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file = 'freqtrade/tests/testdata/BTC_UNITTEST-30.json'
_backup_file(file, copy_file=True)
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optimize.load_data(None, pairs=['BTC_UNITTEST'], ticker_interval=30)
assert os.path.isfile(file) is True
assert ('freqtrade.optimize',
logging.INFO,
'Download the pair: "BTC_ETH", Interval: 30 min'
) not in caplog.record_tuples
_clean_test_file(file)
def test_load_data_5min_ticker(default_conf, ticker_history, mocker, caplog):
mocker.patch('freqtrade.optimize.get_ticker_history', return_value=ticker_history)
mocker.patch.dict('freqtrade.main._CONF', default_conf)
exchange._API = Bittrex({'key': '', 'secret': ''})
file = 'freqtrade/tests/testdata/BTC_ETH-5.json'
_backup_file(file, copy_file=True)
optimize.load_data(None, pairs=['BTC_ETH'], ticker_interval=5)
assert os.path.isfile(file) is True
assert ('freqtrade.optimize',
logging.INFO,
'Download the pair: "BTC_ETH", Interval: 5 min'
) not in caplog.record_tuples
_clean_test_file(file)
def test_load_data_1min_ticker(default_conf, ticker_history, mocker, caplog):
mocker.patch('freqtrade.optimize.get_ticker_history', return_value=ticker_history)
mocker.patch.dict('freqtrade.main._CONF', default_conf)
exchange._API = Bittrex({'key': '', 'secret': ''})
file = 'freqtrade/tests/testdata/BTC_ETH-1.json'
_backup_file(file, copy_file=True)
optimize.load_data(None, ticker_interval=1, pairs=['BTC_ETH'])
assert os.path.isfile(file) is True
assert ('freqtrade.optimize',
logging.INFO,
'Download the pair: "BTC_ETH", Interval: 1 min'
) not in caplog.record_tuples
_clean_test_file(file)
def test_load_data_with_new_pair_1min(default_conf, ticker_history, mocker, caplog):
mocker.patch('freqtrade.optimize.get_ticker_history', return_value=ticker_history)
mocker.patch.dict('freqtrade.main._CONF', default_conf)
exchange._API = Bittrex({'key': '', 'secret': ''})
file = 'freqtrade/tests/testdata/BTC_MEME-1.json'
_backup_file(file)
optimize.load_data(None, ticker_interval=1, pairs=['BTC_MEME'])
assert os.path.isfile(file) is True
assert ('freqtrade.optimize',
logging.INFO,
'Download the pair: "BTC_MEME", Interval: 1 min'
) in caplog.record_tuples
_clean_test_file(file)
def test_testdata_path():
assert os.path.join('freqtrade', 'tests', 'testdata') in make_testdata_path(None)
def test_download_pairs(default_conf, ticker_history, mocker):
mocker.patch('freqtrade.optimize.__init__.get_ticker_history', return_value=ticker_history)
mocker.patch.dict('freqtrade.main._CONF', default_conf)
exchange._API = Bittrex({'key': '', 'secret': ''})
file1_1 = 'freqtrade/tests/testdata/BTC_MEME-1.json'
file1_5 = 'freqtrade/tests/testdata/BTC_MEME-5.json'
file2_1 = 'freqtrade/tests/testdata/BTC_CFI-1.json'
file2_5 = 'freqtrade/tests/testdata/BTC_CFI-5.json'
_backup_file(file1_1)
_backup_file(file1_5)
_backup_file(file2_1)
_backup_file(file2_5)
assert os.path.isfile(file1_1) is False
assert os.path.isfile(file2_1) is False
assert download_pairs(None, pairs=['BTC-MEME', 'BTC-CFI'], ticker_interval=1) is True
assert os.path.isfile(file1_1) is True
assert os.path.isfile(file2_1) is True
# clean files freshly downloaded
_clean_test_file(file1_1)
_clean_test_file(file2_1)
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assert os.path.isfile(file1_5) is False
assert os.path.isfile(file2_5) is False
assert download_pairs(None, pairs=['BTC-MEME', 'BTC-CFI'], ticker_interval=5) is True
assert os.path.isfile(file1_5) is True
assert os.path.isfile(file2_5) is True
# clean files freshly downloaded
_clean_test_file(file1_5)
_clean_test_file(file2_5)
def test_download_pairs_exception(default_conf, ticker_history, mocker, caplog):
mocker.patch('freqtrade.optimize.__init__.get_ticker_history', return_value=ticker_history)
mocker.patch('freqtrade.optimize.__init__.download_backtesting_testdata',
side_effect=BaseException('File Error'))
mocker.patch.dict('freqtrade.main._CONF', default_conf)
exchange._API = Bittrex({'key': '', 'secret': ''})
file1_1 = 'freqtrade/tests/testdata/BTC_MEME-1.json'
file1_5 = 'freqtrade/tests/testdata/BTC_MEME-5.json'
_backup_file(file1_1)
_backup_file(file1_5)
download_pairs(None, pairs=['BTC-MEME'], ticker_interval=1)
# clean files freshly downloaded
_clean_test_file(file1_1)
_clean_test_file(file1_5)
assert ('freqtrade.optimize.__init__',
logging.INFO,
'Failed to download the pair: "BTC-MEME", Interval: 1 min'
) in caplog.record_tuples
def test_download_backtesting_testdata(default_conf, ticker_history, mocker):
mocker.patch('freqtrade.optimize.__init__.get_ticker_history', return_value=ticker_history)
mocker.patch.dict('freqtrade.main._CONF', default_conf)
exchange._API = Bittrex({'key': '', 'secret': ''})
# Download a 1 min ticker file
file1 = 'freqtrade/tests/testdata/BTC_XEL-1.json'
_backup_file(file1)
download_backtesting_testdata(None, pair="BTC-XEL", interval=1)
assert os.path.isfile(file1) is True
_clean_test_file(file1)
# Download a 5 min ticker file
file2 = 'freqtrade/tests/testdata/BTC_STORJ-5.json'
_backup_file(file2)
download_backtesting_testdata(None, pair="BTC-STORJ", interval=5)
assert os.path.isfile(file2) is True
_clean_test_file(file2)
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def test_download_backtesting_testdata2(mocker):
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tick = [{'T': 'bar'}, {'T': 'foo'}]
mocker.patch('freqtrade.misc.file_dump_json', return_value=None)
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mocker.patch('freqtrade.optimize.__init__.get_ticker_history', return_value=tick)
assert download_backtesting_testdata(None, pair="BTC-UNITEST", interval=1)
assert download_backtesting_testdata(None, pair="BTC-UNITEST", interval=3)
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def test_load_tickerdata_file():
assert not load_tickerdata_file(None, 'BTC_UNITEST', 7)
tickerdata = load_tickerdata_file(None, 'BTC_UNITEST', 1)
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assert _BTC_UNITTEST_LENGTH == len(tickerdata)
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def test_init(default_conf, mocker):
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conf = {'exchange': {'pair_whitelist': []}}
mocker.patch('freqtrade.optimize.hyperopt_optimize_conf', return_value=conf)
assert {} == optimize.load_data('', pairs=[], refresh_pairs=True,
ticker_interval=int(default_conf['ticker_interval']))
def test_tickerdata_to_dataframe():
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timerange = ((None, 'line'), None, -100)
tick = load_tickerdata_file(None, 'BTC_UNITEST', 1, timerange=timerange)
tickerlist = {'BTC_UNITEST': tick}
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data = optimize.tickerdata_to_dataframe(tickerlist)
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assert len(data['BTC_UNITEST']) == 100