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- rules for using destructors

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bzrlib/tests/test_uncommit.py
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# Copyright (C) 2008 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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"""Test uncommit."""
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from bzrlib import (
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    errors,
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    tests,
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    uncommit,
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    )
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class TestUncommit(tests.TestCaseWithTransport):
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    def make_linear_tree(self):
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        tree = self.make_branch_and_tree('tree')
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        tree.lock_write()
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        try:
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            self.build_tree(['tree/one'])
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            tree.add('one')
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            rev_id1 = tree.commit('one')
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            self.build_tree(['tree/two'])
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            tree.add('two')
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            rev_id2 = tree.commit('two')
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        finally:
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            tree.unlock()
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        return tree, [rev_id1, rev_id2]
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    def test_uncommit(self):
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        tree, history = self.make_linear_tree()
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        self.assertEqual(history[1], tree.last_revision())
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        self.assertEqual((2, history[1]), tree.branch.last_revision_info())
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        uncommit.uncommit(tree.branch, tree=tree)
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        self.assertEqual(history[0], tree.last_revision())
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        self.assertEqual((1, history[0]), tree.branch.last_revision_info())
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        # The file should not be removed
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        self.failUnlessExists('tree/two')
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        # And it should still be listed as added
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        self.assertIsNot(None, tree.path2id('two'))
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    def test_uncommit_bound(self):
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        tree, history = self.make_linear_tree()
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        child = tree.bzrdir.sprout('child').open_workingtree()
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        child.branch.bind(tree.branch)
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        self.assertEqual(history[1], tree.last_revision())
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        self.assertEqual((2, history[1]), tree.branch.last_revision_info())
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        self.assertEqual(history[1], child.last_revision())
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        self.assertEqual((2, history[1]), child.branch.last_revision_info())
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        # Uncommit in a bound branch should uncommit the master branch, but not
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        # touch the other working tree.
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        uncommit.uncommit(child.branch, tree=child)
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        self.assertEqual(history[1], tree.last_revision())
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        self.assertEqual((1, history[0]), tree.branch.last_revision_info())
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        self.assertEqual(history[0], child.last_revision())
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        self.assertEqual((1, history[0]), child.branch.last_revision_info())
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    def test_uncommit_bound_local(self):
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        tree, history = self.make_linear_tree()
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        child = tree.bzrdir.sprout('child').open_workingtree()
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        child.branch.bind(tree.branch)
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        self.assertEqual(history[1], tree.last_revision())
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        self.assertEqual((2, history[1]), tree.branch.last_revision_info())
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        self.assertEqual(history[1], child.last_revision())
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        self.assertEqual((2, history[1]), child.branch.last_revision_info())
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        # Uncommit local=True should only affect the local branch
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        uncommit.uncommit(child.branch, tree=child, local=True)
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        self.assertEqual(history[1], tree.last_revision())
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        self.assertEqual((2, history[1]), tree.branch.last_revision_info())
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        self.assertEqual(history[0], child.last_revision())
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        self.assertEqual((1, history[0]), child.branch.last_revision_info())
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    def test_uncommit_unbound_local(self):
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        tree, history = self.make_linear_tree()
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        # If this tree isn't bound, local=True raises an exception
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        self.assertRaises(errors.LocalRequiresBoundBranch,
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            uncommit.uncommit, tree.branch, tree=tree, local=True)