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Viewing changes to bzrlib/tests/test_merge.py

https://launchpad.net/bugs/515597
Fix typo and tests for per-file merge hook

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Lines of Context:
bzrlib/tests/test_merge.py
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class TestConfigurableFileMerger(tests.TestCaseWithTransport):
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2844
 
    def test_affected_files_cached(self):
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        """Ensures that the config variable is cached"""
2846
 
        class SimplePlan(_mod_merge.ConfigurableFileMerger):
 
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    def setUp(self):
 
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        super(TestConfigurableFileMerger, self).setUp()
 
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        self.calls = []
 
2847
 
 
2848
    def get_merger_factory(self):
 
2849
        # Allows  the inner methods to access the test attributes
 
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        test = self
 
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        class FooMerger(_mod_merge.ConfigurableFileMerger):
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            name_prefix = "foo"
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            default_files = ["my default"]
 
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            default_files = ['bar']
 
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            def merge_text(self, params):
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                return ('not applicable', None)
 
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                test.calls.append('merge_text')
 
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                return ('not_applicable', None)
 
2859
 
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        def factory(merger):
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            result = SimplePlan(merger)
 
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            result = FooMerger(merger)
 
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            # Make sure we start with a clean slate
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            self.assertEqual(None, result.affected_files)
 
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            # Track the original merger
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            self.merger = result
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            return result
 
2867
 
 
2868
        return factory
 
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    def _install_hook(self, factory):
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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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                                                   factory, 'test factory')
 
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    def make_builder(self):
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        builder = test_merge_core.MergeBuilder(self.test_base_dir)
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        self.addCleanup(builder.cleanup)
2860
 
        builder.add_file('NEWS', builder.tree_root, 'name1', 'text1', True)
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        builder.change_contents('NEWS', other='text4', this='text3')
 
2877
        return builder
 
2878
 
 
2879
    def make_text_conflict(self, file_name='bar'):
 
2880
        factory = self.get_merger_factory()
 
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        self._install_hook(factory)
 
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        builder = self.make_builder()
 
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        builder.add_file('bar-id', builder.tree_root, file_name, 'text1', True)
 
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        builder.change_contents('bar-id', other='text4', this='text3')
 
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        return builder
 
2886
 
 
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    def make_kind_change(self):
 
2888
        factory = self.get_merger_factory()
 
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        self._install_hook(factory)
 
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        builder = self.make_builder()
 
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        builder.add_file('bar-id', builder.tree_root, 'bar', 'text1', True,
 
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                         this=False)
 
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        builder.add_dir('bar-dir', builder.tree_root, 'bar-id',
 
2894
                        base=False, other=False)
 
2895
        return builder
 
2896
 
 
2897
    def test_affected_files_cached(self):
 
2898
        """Ensures that the config variable is cached"""
 
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        builder = self.make_text_conflict()
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        conflicts = builder.merge()
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        # The hook should set the variable
2864
 
        self.assertEqual(["my default"], self.merger.affected_files)
 
2902
        self.assertEqual(['bar'], self.merger.affected_files)
 
2903
        self.assertEqual(1, len(conflicts))
 
2904
 
 
2905
    def test_hook_called_for_text_conflicts(self):
 
2906
        builder = self.make_text_conflict()
 
2907
        conflicts = builder.merge()
 
2908
        # The hook should call the merge_text() method
 
2909
        self.assertEqual(['merge_text'], self.calls)
 
2910
 
 
2911
    def test_hook_not_called_for_kind_change(self):
 
2912
        builder = self.make_kind_change()
 
2913
        conflicts = builder.merge()
 
2914
        # The hook should not call the merge_text() method
 
2915
        self.assertEqual([], self.calls)
 
2916
 
 
2917
    def test_hook_not_called_for_other_files(self):
 
2918
        builder = self.make_text_conflict('foobar')
 
2919
        conflicts = builder.merge()
 
2920
        # The hook should not call the merge_text() method
 
2921
        self.assertEqual([], self.calls)