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bzrlib/tests/workingtree_implementations/test_uncommit.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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"""Tests of the parent related functions of WorkingTrees."""
 
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import os
 
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from bzrlib import (
 
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    errors,
 
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    revision as _mod_revision,
 
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    symbol_versioning,
 
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    uncommit,
 
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    )
 
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from bzrlib.tests.workingtree_implementations import TestCaseWithWorkingTree
 
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class TestUncommit(TestCaseWithWorkingTree):
 
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    def test_uncommit_to_null(self):
 
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        tree = self.make_branch_and_tree('branch')
 
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        tree.lock_write()
 
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        revid = tree.commit('a revision')
 
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        tree.unlock()
 
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        uncommit.uncommit(tree.branch, tree=tree)
 
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        self.assertEqual([], tree.get_parent_ids())