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"""Tests for the Application class."""
import optparse
import mock
import pytest
from flake8.main import application as app
def options(**kwargs):
"""Generate optparse.Values for our Application."""
kwargs.setdefault('verbose', 0)
kwargs.setdefault('output_file', None)
kwargs.setdefault('count', False)
kwargs.setdefault('exit_zero', False)
return optparse.Values(kwargs)
@pytest.mark.parametrize(
'result_count, catastrophic, exit_zero', [
(0, True, True),
(2, False, True),
(2, True, True),
]
)
def test_exit_does_not_raise(result_count, catastrophic, exit_zero):
"""Verify Application.exit doesn't raise SystemExit."""
with mock.patch('flake8.options.manager.OptionManager') as optionmanager:
optmgr = optionmanager.return_value = mock.Mock()
optmgr.parse_known_args.return_value = (options(), [])
application = app.Application()
application.result_count = result_count
application.catastrophic_failure = catastrophic
application.options = options(exit_zero=exit_zero)
assert application.exit() is None
@pytest.mark.parametrize(
'result_count, catastrophic, exit_zero, value', [
(0, False, False, False),
(0, True, False, True),
(2, False, False, True),
(2, True, False, True),
]
)
def test_exit_does_raise(result_count, catastrophic, exit_zero, value):
"""Verify Application.exit doesn't raise SystemExit."""
with mock.patch('flake8.options.manager.OptionManager') as optionmanager:
optmgr = optionmanager.return_value = mock.Mock()
optmgr.parse_known_args.return_value = (options(), [])
application = app.Application()
application.result_count = result_count
application.catastrophic_failure = catastrophic
application.options = options(exit_zero=exit_zero)
with pytest.raises(SystemExit) as excinfo:
application.exit()
assert excinfo.value.args[0] is value
|
