Merge pull request #870 from freqtrade/feature/increase-main-coverage

add and fix tests for main.py
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Matthias 2018-06-08 06:35:36 +02:00 committed by GitHub
commit 8f91eeb195
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@ -7,6 +7,7 @@ from unittest.mock import MagicMock
import pytest
from freqtrade import OperationalException
from freqtrade.main import main, set_loggers
from freqtrade.tests.conftest import log_has
@ -60,7 +61,7 @@ def test_set_loggers() -> None:
assert value2 is logging.INFO
def test_main(mocker, caplog) -> None:
def test_main_fatal_exception(mocker, default_conf, caplog) -> None:
"""
Test main() function
In this test we are skipping the while True loop by throwing an exception.
@ -68,26 +69,74 @@ def test_main(mocker, caplog) -> None:
mocker.patch.multiple(
'freqtrade.freqtradebot.FreqtradeBot',
_init_modules=MagicMock(),
worker=MagicMock(
side_effect=KeyboardInterrupt
),
worker=MagicMock(side_effect=Exception),
clean=MagicMock(),
)
mocker.patch(
'freqtrade.configuration.Configuration._load_config_file',
lambda *args, **kwargs: default_conf
)
mocker.patch('freqtrade.freqtradebot.CryptoToFiatConverter', MagicMock())
mocker.patch('freqtrade.freqtradebot.RPCManager', MagicMock())
args = ['-c', 'config.json.example']
# Test Main + the KeyboardInterrupt exception
with pytest.raises(SystemExit) as pytest_wrapped_e:
main(args)
log_has('Starting freqtrade', caplog.record_tuples)
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(args)
log_has('Got fatal exception!', caplog.record_tuples)
assert log_has('Using config: config.json.example ...', caplog.record_tuples)
assert log_has('Fatal exception!', caplog.record_tuples)
def test_main_keyboard_interrupt(mocker, default_conf, 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(),
)
mocker.patch(
'freqtrade.configuration.Configuration._load_config_file',
lambda *args, **kwargs: default_conf
)
mocker.patch('freqtrade.freqtradebot.CryptoToFiatConverter', MagicMock())
mocker.patch('freqtrade.freqtradebot.RPCManager', MagicMock())
args = ['-c', 'config.json.example']
# Test Main + the KeyboardInterrupt exception
with pytest.raises(SystemExit):
main(args)
assert log_has('Using config: config.json.example ...', caplog.record_tuples)
assert log_has('SIGINT received, aborting ...', caplog.record_tuples)
def test_main_operational_exception(mocker, default_conf, 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=OperationalException('Oh snap!')),
clean=MagicMock(),
)
mocker.patch(
'freqtrade.configuration.Configuration._load_config_file',
lambda *args, **kwargs: default_conf
)
mocker.patch('freqtrade.freqtradebot.CryptoToFiatConverter', MagicMock())
mocker.patch('freqtrade.freqtradebot.RPCManager', MagicMock())
args = ['-c', 'config.json.example']
# Test Main + the KeyboardInterrupt exception
with pytest.raises(SystemExit):
main(args)
assert log_has('Using config: config.json.example ...', caplog.record_tuples)
assert log_has('Oh snap!', caplog.record_tuples)