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Merge cleanup into description

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bzrlib/tests/test_merge.py
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# Copyright (C) 2005, 2006, 2007 Canonical Ltd
 
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# Copyright (C) 2005-2010 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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from bzrlib.errors import UnrelatedBranches, NoCommits
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from bzrlib.merge import transform_tree, merge_inner, _PlanMerge
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from bzrlib.osutils import pathjoin, file_kind
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from bzrlib.tests import TestCaseWithTransport, TestCaseWithMemoryTransport
 
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from bzrlib.tests import (
 
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    TestCaseWithMemoryTransport,
 
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    TestCaseWithTransport,
 
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    test_merge_core,
 
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    )
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from bzrlib.workingtree import WorkingTree
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            'bval', ['lca1val', 'lca2val', 'lca2val'], 'oval', 'tval')
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        self.assertLCAMultiWay('conflict',
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            'bval', ['lca1val', 'lca2val', 'lca3val'], 'oval', 'tval')
 
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class TestConfigurableFileMerger(tests.TestCaseWithTransport):
 
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    def test_affected_files_cached(self):
 
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        """Ensures that the config variable is cached"""
 
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        class SimplePlan(_mod_merge.ConfigurableFileMerger):
 
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            name_prefix = "foo"
 
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            default_files = ["my default"]
 
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            def merge_text(self, params):
 
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                return ('not applicable', None)
 
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        def factory(merger):
 
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            result = SimplePlan(merger)
 
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            self.assertEqual(None, result.affected_files)
 
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            self.merger = result
 
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            return result
 
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        _mod_merge.Merger.hooks.install_named_hook('merge_file_content',
 
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            factory, 'test factory')
 
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        builder = test_merge_core.MergeBuilder(self.test_base_dir)
 
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        self.addCleanup(builder.cleanup)
 
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        builder.add_file('NEWS', builder.tree_root, 'name1', 'text1', True)
 
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        builder.change_contents('NEWS', other='text4', this='text3')
 
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        conflicts = builder.merge()
 
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        # The hook should set the variable
 
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        self.assertEqual(["my default"], self.merger.affected_files)