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bzrlib/tests/workingtree_implementations/test_get_file_mtime.py
 
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# Copyright (C) 2007 Canonical Ltd
 
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#
 
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# This program is free software; you can redistribute it and/or modify
 
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# it under the terms of the GNU General Public License as published by
 
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# the Free Software Foundation; either version 2 of the License, or
 
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# (at your option) any later version.
 
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#
 
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# This program is distributed in the hope that it will be useful,
 
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
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# GNU General Public License for more details.
 
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#
 
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# You should have received a copy of the GNU General Public License
 
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# along with this program; if not, write to the Free Software
 
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
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"""Test that all WorkingTree's implement get_file_mtime."""
 
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import os
 
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from bzrlib.tests.workingtree_implementations import TestCaseWithWorkingTree
 
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class TestGetFileMTime(TestCaseWithWorkingTree):
 
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    """Test WorkingTree.get_file_mtime.
 
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    These are more involved because we need to handle files which have been
 
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    renamed, etc.
 
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    """
 
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    def make_basic_tree(self):
 
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        tree = self.make_branch_and_tree('tree')
 
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        self.build_tree(['tree/one'])
 
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        tree.add(['one'], ['one-id'])
 
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        return tree
 
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    def test_get_file_mtime(self):
 
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        tree = self.make_basic_tree()
 
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        st = os.lstat('tree/one')
 
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        tree.lock_read()
 
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        try:
 
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            mtime_file_id = tree.get_file_mtime(file_id='one-id')
 
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            self.assertIsInstance(mtime_file_id, (float, int))
 
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            self.assertAlmostEqual(st.st_mtime, mtime_file_id)
 
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            mtime_path = tree.get_file_mtime(file_id='one-id', path='one')
 
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            self.assertAlmostEqual(mtime_file_id, mtime_path)
 
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        finally:
 
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            tree.unlock()
 
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    def test_after_commit(self):
 
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        """Committing shouldn't change the mtime."""
 
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        tree = self.make_basic_tree()
 
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        st = os.lstat('tree/one')
 
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        tree.commit('one', rev_id='rev-1')
 
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        tree.lock_read()
 
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        try:
 
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            mtime = tree.get_file_mtime(file_id='one-id')
 
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            self.assertAlmostEqual(st.st_mtime, mtime)
 
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            mtime = tree.get_file_mtime(file_id='one-id', path='one')
 
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            self.assertAlmostEqual(st.st_mtime, mtime)
 
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        finally:
 
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            tree.unlock()
 
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    def test_get_renamed_time(self):
 
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        """We should handle renamed files."""
 
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        tree = self.make_basic_tree()
 
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        tree.rename_one('one', 'two')
 
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        st = os.lstat('tree/two')
 
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        tree.lock_read()
 
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        try:
 
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            mtime = tree.get_file_mtime(file_id='one-id')
 
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            self.assertAlmostEqual(st.st_mtime, mtime)
 
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            mtime = tree.get_file_mtime(file_id='one-id', path='two')
 
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            self.assertAlmostEqual(st.st_mtime, mtime)
 
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        finally:
 
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            tree.unlock()
 
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    def test_get_renamed_in_subdir_time(self):
 
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        tree = self.make_branch_and_tree('tree')
 
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        self.build_tree(['tree/d/', 'tree/d/a'])
 
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        tree.add(['d', 'd/a'], ['d-id', 'a-id'])
 
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        tree.commit('1', rev_id='rev-1')
 
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        tree.rename_one('d', 'e')
 
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        st = os.lstat('tree/e/a')
 
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        tree.lock_read()
 
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        try:
 
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            mtime = tree.get_file_mtime(file_id='a-id')
 
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            self.assertAlmostEqual(st.st_mtime, mtime)
 
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            mtime = tree.get_file_mtime(file_id='a-id', path='e/a')
 
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            self.assertAlmostEqual(st.st_mtime, mtime)
 
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        finally:
 
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            tree.unlock()