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bzrlib/tests/workingtree_implementations/test_changes_from.py
 
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# Copyright (C) 2006 by Canonical Development 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 Tree.changes_from() for WorkingTree specific scenarios."""
 
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from bzrlib import revision
 
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from bzrlib.tests.workingtree_implementations import TestCaseWithWorkingTree
 
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class TestChangesFrom(TestCaseWithWorkingTree):
 
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    def setUp(self):
 
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        super(TestChangesFrom, self).setUp()
 
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        self.tree = self.make_branch_and_tree('tree')
 
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        files = ['a', 'b/', 'b/c']
 
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        self.build_tree(files, transport=self.tree.bzrdir.root_transport)
 
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        self.tree.add(files, ['a-id', 'b-id', 'c-id'])
 
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        self.tree.commit('initial tree')
 
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    def test_unknown(self):
 
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        self.build_tree(['tree/unknown'])
 
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        # Unknowns are not reported by changes_from
 
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        d = self.tree.changes_from(self.tree.basis_tree())
 
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        self.assertEqual([], d.added)
 
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        self.assertEqual([], d.removed)
 
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        self.assertEqual([], d.renamed)
 
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        self.assertEqual([], d.modified)
 
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    def test_unknown_specific_file(self):
 
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        self.build_tree(['tree/unknown'])
 
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        empty_tree = self.tree.branch.repository.revision_tree(
 
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                        revision.NULL_REVISION)
 
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        # If a specific_files list is present, even if none of the
 
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        # files are versioned, only paths that are present in the list
 
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        # should be compared
 
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        d = self.tree.changes_from(empty_tree, specific_files=['unknown'])
 
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        self.assertEqual([], d.added)
 
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        self.assertEqual([], d.removed)
 
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        self.assertEqual([], d.renamed)
 
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        self.assertEqual([], d.modified)