/brz/remove-bazaar

# 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, write to the Free Software

# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

"""Test the helper functions."""

from bzrlib import tests

from bzrlib.plugins.fastimport import (

    helpers,

    )

class TestCommonDirectory(tests.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(['foo'])

        self.assertEqual(c, '')

        c = helpers.common_directory(['foo/'])

        self.assertEqual(c, 'foo/')

        c = helpers.common_directory(['foo/bar'])

        self.assertEqual(c, 'foo/')

    def test_two_paths(self):

        c = helpers.common_directory(['foo', 'bar'])

        self.assertEqual(c, '')

        c = helpers.common_directory(['foo/', 'bar'])

        self.assertEqual(c, '')

        c = helpers.common_directory(['foo/', 'foo/bar'])

        self.assertEqual(c, 'foo/')

        c = helpers.common_directory(['foo/bar/x', 'foo/bar/y'])

        self.assertEqual(c, 'foo/bar/')

        c = helpers.common_directory(['foo/bar/aa_x', 'foo/bar/aa_y'])

        self.assertEqual(c, 'foo/bar/')

    def test_lots_of_paths(self):

        c = helpers.common_directory(['foo/bar/x', 'foo/bar/y', 'foo/bar/z'])

        self.assertEqual(c, 'foo/bar/')