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https://github.com/PyCQA/flake8.git
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01c0c648e1
Mock 2.0 is using pbr which is hostile to environments without network access. It's not required on Python 3.5+ so I made it possible to use `unittest.mock` on this version. Updated tox.ini to reflect this. Tested with 2.7.11, 3.3.6, 3.4.5, and 3.5.2 on macOS 10.12.1 with tox and pyenv.
71 lines
2 KiB
Python
71 lines
2 KiB
Python
"""Unit tests for flake8.options.manager.Option."""
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try:
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import mock
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except ImportError:
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from unittest import mock
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import pytest
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from flake8.options import manager
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def test_to_optparse():
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"""Test conversion to an optparse.Option class."""
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opt = manager.Option(
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short_option_name='-t',
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long_option_name='--test',
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action='count',
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parse_from_config=True,
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normalize_paths=True,
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)
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assert opt.normalize_paths is True
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assert opt.parse_from_config is True
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optparse_opt = opt.to_optparse()
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assert not hasattr(optparse_opt, 'parse_from_config')
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assert not hasattr(optparse_opt, 'normalize_paths')
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assert optparse_opt.action == 'count'
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@mock.patch('optparse.Option')
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def test_to_optparse_creates_an_option_as_we_expect(Option):
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"""Show that we pass all keyword args to optparse.Option."""
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opt = manager.Option('-t', '--test', action='count')
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opt.to_optparse()
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option_kwargs = {
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'action': 'count',
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'default': None,
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'type': None,
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'dest': 'test',
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'nargs': None,
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'const': None,
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'choices': None,
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'callback': None,
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'callback_args': None,
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'callback_kwargs': None,
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'help': None,
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'metavar': None,
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}
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Option.assert_called_once_with(
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'-t', '--test', **option_kwargs
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)
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def test_config_name_generation():
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"""Show that we generate the config name deterministically."""
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opt = manager.Option(long_option_name='--some-very-long-option-name',
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parse_from_config=True)
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assert opt.config_name == 'some_very_long_option_name'
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def test_config_name_needs_long_option_name():
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"""Show that we error out if the Option should be parsed from config."""
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with pytest.raises(ValueError):
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manager.Option('-s', parse_from_config=True)
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def test_dest_is_not_overridden():
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"""Show that we do not override custom destinations."""
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opt = manager.Option('-s', '--short', dest='something_not_short')
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assert opt.dest == 'something_not_short'
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