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# Copyright (C) 2009 Canonical Ltd
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
"""Test the helper functions."""
import unittest
from fastimport import (
helpers,
)
class TestCommonDirectory(unittest.TestCase):
def test_no_paths(self):
c = helpers.common_directory(None)
self.assertEqual(c, None)
c = helpers.common_directory([])
self.assertEqual(c, None)
def test_one_path(self):
c = helpers.common_directory([b'foo'])
self.assertEqual(c, b'')
c = helpers.common_directory([b'foo/'])
self.assertEqual(c, b'foo/')
c = helpers.common_directory([b'foo/bar'])
self.assertEqual(c, b'foo/')
def test_two_paths(self):
c = helpers.common_directory([b'foo', b'bar'])
self.assertEqual(c, b'')
c = helpers.common_directory([b'foo/', b'bar'])
self.assertEqual(c, b'')
c = helpers.common_directory([b'foo/', b'foo/bar'])
self.assertEqual(c, b'foo/')
c = helpers.common_directory([b'foo/bar/x', b'foo/bar/y'])
self.assertEqual(c, b'foo/bar/')
c = helpers.common_directory([b'foo/bar/aa_x', b'foo/bar/aa_y'])
self.assertEqual(c, b'foo/bar/')
def test_lots_of_paths(self):
c = helpers.common_directory([b'foo/bar/x', b'foo/bar/y', b'foo/bar/z'])
self.assertEqual(c, b'foo/bar/')
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