~bzr-pqm/bzr/bzr.dev

# Copyright (C) 2007, 2009, 2010 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

"""Test that all Tree's implement get_file_mtime"""

import time

from bzrlib import errors

from bzrlib.tests.per_tree import TestCaseWithTree

class TestGetFileMTime(TestCaseWithTree):

    def get_basic_tree(self):

        tree = self.make_branch_and_tree('tree')

        self.build_tree(['tree/one'])

        tree.add(['one'], ['one-id'])

        return self._convert_tree(tree)

    def test_get_file_mtime(self):

        now = time.time()

        tree = self.get_basic_tree()

        tree.lock_read()

        self.addCleanup(tree.unlock)

        # Committed trees return the time of the commit that last changed the

        # file, working trees return the on-disk time.

        mtime_file_id = tree.get_file_mtime(file_id='one-id')

        self.assertIsInstance(mtime_file_id, (float, int))

        self.assertTrue(now - 5 < mtime_file_id < now + 5,

                        'now: %f, mtime_file_id: %f' % (now, mtime_file_id ))

        mtime_path = tree.get_file_mtime(file_id='one-id', path='one')

        self.assertEqual(mtime_file_id, mtime_path)

    def test_nonexistant(self):

        tree = self.get_basic_tree()

        tree.lock_read()

        self.addCleanup(tree.unlock)

        self.assertRaises(errors.NoSuchId,

            tree.get_file_mtime, file_id='unexistant')