~bzr-pqm/bzr/bzr.dev

# Copyright (C) 2007 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 WorkingTree's implement get_file_mtime."""

import os

from bzrlib import errors

from bzrlib.tests.per_workingtree import TestCaseWithWorkingTree

class TestGetFileMTime(TestCaseWithWorkingTree):

    """Test WorkingTree.get_file_mtime.

    These are more involved because we need to handle files which have been

    renamed, etc.

    """

    def make_basic_tree(self):

        tree = self.make_branch_and_tree('tree')

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

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

        return tree

    def test_get_file_mtime(self):

        tree = self.make_basic_tree()

        st = os.lstat('tree/one')

        tree.lock_read()

        try:

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

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

            self.assertAlmostEqual(st.st_mtime, mtime_file_id)

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

            self.assertAlmostEqual(mtime_file_id, mtime_path)

        finally:

            tree.unlock()

    def test_after_commit(self):

        """Committing shouldn't change the mtime."""

        tree = self.make_basic_tree()

        st = os.lstat('tree/one')

        tree.commit('one', rev_id='rev-1')

        tree.lock_read()

        try:

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

            self.assertAlmostEqual(st.st_mtime, mtime)

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

            self.assertAlmostEqual(st.st_mtime, mtime)

        finally:

            tree.unlock()

    def test_get_renamed_time(self):

        """We should handle renamed files."""

        tree = self.make_basic_tree()

        tree.rename_one('one', 'two')

        st = os.lstat('tree/two')

        tree.lock_read()

        try:

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

            self.assertAlmostEqual(st.st_mtime, mtime)

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

            self.assertAlmostEqual(st.st_mtime, mtime)

        finally:

            tree.unlock()

    def test_get_renamed_in_subdir_time(self):

        tree = self.make_branch_and_tree('tree')

        self.build_tree(['tree/d/', 'tree/d/a'])

        tree.add(['d', 'd/a'], ['d-id', 'a-id'])

        tree.commit('1', rev_id='rev-1')

        tree.rename_one('d', 'e')

        st = os.lstat('tree/e/a')

        tree.lock_read()

        try:

            mtime = tree.get_file_mtime(file_id='a-id')

            self.assertAlmostEqual(st.st_mtime, mtime)

            mtime = tree.get_file_mtime(file_id='a-id', path='e/a')

            self.assertAlmostEqual(st.st_mtime, mtime)

        finally:

            tree.unlock()

    def test_missing(self):

        tree = self.make_basic_tree()

        os.remove('tree/one')

        tree.lock_read()

        try:

            self.assertRaises(errors.FileTimestampUnavailable,

                tree.get_file_mtime, file_id='one-id')

        finally:

            tree.unlock()