stable/freqtrade/tests/test_misc.py

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# pragma pylint: disable=missing-docstring,C0103
import json
import os
import time
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from argparse import Namespace
from copy import deepcopy
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from unittest.mock import MagicMock
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import pytest
from jsonschema import ValidationError
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from freqtrade.misc import throttle, parse_args, start_backtesting, load_config
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def test_throttle():
def func():
return 42
start = time.time()
result = throttle(func, 0.1)
end = time.time()
assert result == 42
assert end - start > 0.1
result = throttle(func, -1)
assert result == 42
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def test_parse_args_defaults():
args = parse_args([])
assert args is not None
assert args.config == 'config.json'
assert args.dynamic_whitelist is False
assert args.loglevel == 20
def test_parse_args_invalid():
with pytest.raises(SystemExit, match=r'2'):
parse_args(['-c'])
def test_parse_args_config():
args = parse_args(['-c', '/dev/null'])
assert args is not None
assert args.config == '/dev/null'
args = parse_args(['--config', '/dev/null'])
assert args is not None
assert args.config == '/dev/null'
def test_parse_args_verbose():
args = parse_args(['-v'])
assert args is not None
assert args.loglevel == 10
def test_parse_args_dynamic_whitelist():
args = parse_args(['--dynamic-whitelist'])
assert args is not None
assert args.dynamic_whitelist is True
def test_parse_args_backtesting(mocker):
backtesting_mock = mocker.patch('freqtrade.misc.start_backtesting', MagicMock())
args = parse_args(['backtesting'])
assert args is None
assert backtesting_mock.call_count == 1
call_args = backtesting_mock.call_args[0][0]
assert call_args.config == 'config.json'
assert call_args.live is False
assert call_args.loglevel == 20
assert call_args.subparser == 'backtesting'
assert call_args.func is not None
assert call_args.ticker_interval == 5
def test_parse_args_backtesting_invalid():
with pytest.raises(SystemExit, match=r'2'):
parse_args(['--ticker-interval'])
with pytest.raises(SystemExit, match=r'2'):
parse_args(['--ticker-interval', 'abc'])
def test_parse_args_backtesting_custom(mocker):
backtesting_mock = mocker.patch('freqtrade.misc.start_backtesting', MagicMock())
args = parse_args(['-c', 'test_conf.json', 'backtesting', '--live', '--ticker-interval', '1'])
assert args is None
assert backtesting_mock.call_count == 1
call_args = backtesting_mock.call_args[0][0]
assert call_args.config == 'test_conf.json'
assert call_args.live is True
assert call_args.loglevel == 20
assert call_args.subparser == 'backtesting'
assert call_args.func is not None
assert call_args.ticker_interval == 1
def test_start_backtesting(mocker):
pytest_mock = mocker.patch('pytest.main', MagicMock())
env_mock = mocker.patch('os.environ', {})
args = Namespace(
config='config.json',
live=True,
loglevel=20,
ticker_interval=1,
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limit_max_trades=True,
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)
start_backtesting(args)
assert env_mock == {
'BACKTEST': 'true',
'BACKTEST_LIVE': 'true',
'BACKTEST_CONFIG': 'config.json',
'BACKTEST_TICKER_INTERVAL': '1',
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'BACKTEST_LIMIT_MAX_TRADES': 'true',
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}
assert pytest_mock.call_count == 1
main_call_args = pytest_mock.call_args[0][0]
assert main_call_args[0] == '-s'
assert main_call_args[1].endswith(os.path.join('freqtrade', 'tests', 'test_backtesting.py'))
def test_load_config(default_conf, mocker):
file_mock = mocker.patch('freqtrade.misc.open', mocker.mock_open(
read_data=json.dumps(default_conf)
))
validated_conf = load_config('somefile')
assert file_mock.call_count == 1
assert validated_conf.items() >= default_conf.items()
def test_load_config_invalid_pair(default_conf, mocker):
conf = deepcopy(default_conf)
conf['exchange']['pair_whitelist'].append('BTC-ETH')
mocker.patch('freqtrade.misc.open', mocker.mock_open(read_data=json.dumps(conf)))
with pytest.raises(ValidationError, match=r'.*does not match.*'):
load_config('somefile')
def test_load_config_missing_attributes(default_conf, mocker):
conf = deepcopy(default_conf)
conf.pop('exchange')
mocker.patch('freqtrade.misc.open', mocker.mock_open(read_data=json.dumps(conf)))
with pytest.raises(ValidationError, match=r'.*\'exchange\' is a required property.*'):
load_config('somefile')