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"""Tests for our debugging module."""
import mock
import pytest
import setuptools
from flake8.main import debug
def test_dependencies():
"""Verify that we format our dependencies appropriately."""
expected = [{'dependency': 'setuptools',
'version': setuptools.__version__}]
assert expected == debug.dependencies()
@pytest.mark.parametrize('plugins, expected', [
([], []),
([('pycodestyle', '2.0.0')], [{'plugin': 'pycodestyle',
'version': '2.0.0'}]),
([('pycodestyle', '2.0.0'), ('mccabe', '0.5.9')],
[{'plugin': 'mccabe', 'version': '0.5.9'},
{'plugin': 'pycodestyle', 'version': '2.0.0'}]),
])
def test_plugins_from(plugins, expected):
"""Test that we format plugins appropriately."""
option_manager = mock.Mock(registered_plugins=set(plugins))
assert expected == debug.plugins_from(option_manager)
@mock.patch('platform.python_implementation', return_value='CPython')
@mock.patch('platform.python_version', return_value='3.5.3')
@mock.patch('platform.system', return_value='Linux')
def test_information(system, pyversion, pyimpl):
"""Verify that we return all the information we care about."""
expected = {
'version': '3.1.0',
'plugins': [{'plugin': 'mccabe', 'version': '0.5.9'},
{'plugin': 'pycodestyle', 'version': '2.0.0'}],
'dependencies': [{'dependency': 'setuptools',
'version': setuptools.__version__}],
'platform': {
'python_implementation': 'CPython',
'python_version': '3.5.3',
'system': 'Linux',
},
}
option_manager = mock.Mock(
registered_plugins=set([('pycodestyle', '2.0.0'),
('mccabe', '0.5.9')]),
version='3.1.0',
)
assert expected == debug.information(option_manager)
pyimpl.assert_called_once_with()
pyversion.assert_called_once_with()
system.assert_called_once_with()
@mock.patch('flake8.main.debug.print')
@mock.patch('flake8.main.debug.information', return_value={})
@mock.patch('json.dumps', return_value='{}')
def test_print_information_no_plugins(dumps, information, print_mock):
"""Verify we print and exit only when we have plugins."""
plugins = []
option_manager = mock.Mock(registered_plugins=set(plugins))
assert debug.print_information(
None, None, None, None, option_manager=option_manager,
) is None
assert dumps.called is False
assert information.called is False
assert print_mock.called is False
@mock.patch('flake8.main.debug.print')
@mock.patch('flake8.main.debug.information', return_value={})
@mock.patch('json.dumps', return_value='{}')
def test_print_information(dumps, information, print_mock):
"""Verify we print and exit only when we have plugins."""
plugins = [('pycodestyle', '2.0.0'), ('mccabe', '0.5.9')]
option_manager = mock.Mock(registered_plugins=set(plugins))
with pytest.raises(SystemExit):
debug.print_information(
None, None, None, None, option_manager=option_manager,
)
print_mock.assert_called_once_with('{}')
dumps.assert_called_once_with({}, indent=2, sort_keys=True)
information.assert_called_once_with(option_manager)
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