stable/freqtrade/tests/test_main.py

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"""
Unit test file for main.py
"""
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import logging
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from unittest.mock import MagicMock
import pytest
from freqtrade.main import main, set_loggers
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import freqtrade.tests.conftest as tt # test tools
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def test_parse_args_backtesting(mocker) -> None:
"""
Test that main() can start backtesting and also ensure we can pass some specific arguments
further argument parsing is done in test_arguments.py
"""
backtesting_mock = mocker.patch('freqtrade.optimize.backtesting.start', MagicMock())
main(['backtesting'])
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
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assert call_args.ticker_interval is None
def test_main_start_hyperopt(mocker) -> None:
"""
Test that main() can start hyperopt.
"""
hyperopt_mock = mocker.patch('freqtrade.optimize.hyperopt.start', MagicMock())
main(['hyperopt'])
assert hyperopt_mock.call_count == 1
call_args = hyperopt_mock.call_args[0][0]
assert call_args.config == 'config.json'
assert call_args.loglevel == 20
assert call_args.subparser == 'hyperopt'
assert call_args.func is not None
def test_set_loggers() -> None:
"""
Test set_loggers() update the logger level for third-party libraries
"""
previous_value1 = logging.getLogger('requests.packages.urllib3').level
previous_value2 = logging.getLogger('telegram').level
set_loggers()
value1 = logging.getLogger('requests.packages.urllib3').level
assert previous_value1 is not value1
assert value1 is logging.INFO
value2 = logging.getLogger('telegram').level
assert previous_value2 is not value2
assert value2 is logging.INFO
def test_main(mocker, caplog) -> None:
"""
Test main() function.
In this test we are skipping the while True loop by throwing an exception.
"""
mocker.patch.multiple(
'freqtrade.freqtradebot.FreqtradeBot',
_init_modules=MagicMock(),
worker=MagicMock(
side_effect=KeyboardInterrupt
),
clean=MagicMock(),
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)
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# Test Main + the KeyboardInterrupt exception
with pytest.raises(SystemExit) as pytest_wrapped_e:
main([])
tt.log_has('Starting freqtrade', caplog.record_tuples)
tt.log_has('Got SIGINT, aborting ...', caplog.record_tuples)
assert pytest_wrapped_e.type == SystemExit
assert pytest_wrapped_e.value.code == 42
# Test the BaseException case
mocker.patch(
'freqtrade.freqtradebot.FreqtradeBot.worker',
MagicMock(side_effect=BaseException)
)
with pytest.raises(SystemExit):
main([])
tt.log_has('Got fatal exception!', caplog.record_tuples)