flake8/flake8/tests/test_hooks.py
2015-03-11 21:20:28 -05:00

59 lines
2.1 KiB
Python

"""Module containing the tests for flake8.hooks."""
import os
import unittest
try:
from unittest import mock
except ImportError:
import mock
import flake8.hooks
from flake8.util import is_windows
def excluded(filename):
return filename.endswith('afile.py')
class TestGitHook(unittest.TestCase):
if is_windows:
# On Windows, absolute paths start with a drive letter, for example C:
# Here we build a fake absolute path starting with the current drive
# letter, for example C:\fake\temp
current_drive, ignore_tail = os.path.splitdrive(os.getcwd())
fake_abs_path = os.path.join(current_drive, os.path.sep, 'fake', 'tmp')
else:
fake_abs_path = os.path.join(os.path.sep, 'fake', 'tmp')
@mock.patch('os.makedirs')
@mock.patch('flake8.hooks.open', create=True)
@mock.patch('shutil.rmtree')
@mock.patch('tempfile.mkdtemp', return_value=fake_abs_path)
@mock.patch('flake8.hooks.run',
return_value=(None,
[os.path.join('foo', 'afile.py'),
os.path.join('foo', 'bfile.py')],
None))
@mock.patch('flake8.hooks.get_style_guide')
def test_prepends_tmp_directory_to_exclude(self, get_style_guide, run,
*args):
style_guide = get_style_guide.return_value = mock.Mock()
style_guide.options.exclude = [os.path.join('foo', 'afile.py')]
style_guide.options.filename = [os.path.join('foo', '*')]
style_guide.excluded = excluded
flake8.hooks.git_hook()
dirname, filename = os.path.split(
os.path.abspath(os.path.join('foo', 'bfile.py')))
if is_windows:
# In Windows, the absolute path in dirname will start with a drive
# letter. Here, we discad the drive letter.
ignore_drive, dirname = os.path.splitdrive(dirname)
tmpdir = os.path.join(self.fake_abs_path, dirname[1:])
tmpfile = os.path.join(tmpdir, 'bfile.py')
style_guide.check_files.assert_called_once_with([tmpfile])
if __name__ == '__main__':
unittest.main()