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    module = None # Set by load_tests
 
40
 
    fa_key = ('f-id', 'a-id')
 
41
 
    fb_key = ('f-id', 'b-id')
 
42
 
    fc_key = ('f-id', 'c-id')
 
43
 
    fd_key = ('f-id', 'd-id')
 
44
 
    fe_key = ('f-id', 'e-id')
 
45
 
    ff_key = ('f-id', 'f-id')
 
 
42
    fa_key = (b'f-id', b'a-id')
 
 
43
    fb_key = (b'f-id', b'b-id')
 
 
44
    fc_key = (b'f-id', b'c-id')
 
 
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    fd_key = (b'f-id', b'd-id')
 
 
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    fe_key = (b'f-id', b'e-id')
 
 
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    ff_key = (b'f-id', b'f-id')
 
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    def make_no_graph_texts(self):
 
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        factory = knit.make_pack_factory(False, False, 2)
 
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        self.vf = factory(self.get_transport())
 
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        self.ann = self.module.Annotator(self.vf)
 
51
 
        self.vf.add_lines(self.fa_key, (), ['simple\n', 'content\n'])
 
52
 
        self.vf.add_lines(self.fb_key, (), ['simple\n', 'new content\n'])
 
 
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        self.vf.add_lines(self.fa_key, (), [b'simple\n', b'content\n'])
 
 
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        self.vf.add_lines(self.fb_key, (), [b'simple\n', b'new content\n'])
 
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    def make_simple_text(self):
 
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        # TODO: all we really need is a VersionedFile instance, we'd like to
 
 
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        #  F-'    'simple|new content|'
 
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        self.vf.add_lines(self.fc_key, [self.fa_key],
 
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                          ['simple\n', 'new content\n'])
 
 
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                          [b'simple\n', b'new content\n'])
 
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        self.vf.add_lines(self.fd_key, [self.fb_key, self.fc_key],
 
115
 
                          ['simple\n', 'new content\n'])
 
 
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                          [b'simple\n', b'new content\n'])
 
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        self.vf.add_lines(self.fe_key, [self.fa_key],
 
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                          ['simple\n', 'new content\n'])
 
 
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                          [b'simple\n', b'new content\n'])
 
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        self.vf.add_lines(self.ff_key, [self.fd_key, self.fe_key],
 
119
 
                          ['simple\n', 'new content\n'])
 
 
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                          [b'simple\n', b'new content\n'])
 
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    def make_merge_and_restored_text(self):
 
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        self.make_simple_text()
 
 
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        #    D  'simple|content|'
 
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        # c reverts back to 'a' for the new content line
 
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        self.vf.add_lines(self.fc_key, [self.fb_key],
 
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                          ['simple\n', 'content\n'])
 
 
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                          [b'simple\n', b'content\n'])
 
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        # d merges 'a' and 'c', to find both claim last modified
 
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        self.vf.add_lines(self.fd_key, [self.fa_key, self.fc_key],
 
135
 
                          ['simple\n', 'content\n'])
 
 
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                          [b'simple\n', b'content\n'])
 
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    def assertAnnotateEqual(self, expected_annotation, key, exp_text=None):
 
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        annotation, lines = self.ann.annotate(key)
 
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        self.assertEqual(expected_annotation, annotation)
 
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        if exp_text is None:
 
141
 
            record = self.vf.get_record_stream([key], 'unordered', True).next()
 
 
143
            record = next(self.vf.get_record_stream([key], 'unordered', True))
 
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            exp_text = record.get_bytes_as('fulltext')
 
143
 
        self.assertEqualDiff(exp_text, ''.join(lines))
 
 
145
        self.assertEqualDiff(exp_text, b''.join(lines))
 
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    def test_annotate_missing(self):
 
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        self.make_simple_text()
 
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        self.assertRaises(errors.RevisionNotPresent,
 
148
 
                          self.ann.annotate, ('not', 'present'))
 
 
150
                          self.ann.annotate, (b'not', b'present'))
 
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    def test_annotate_simple(self):
 
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        self.make_simple_text()
 
 
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    def test_annotate_flat_simple(self):
 
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        self.make_simple_text()
 
179
 
        self.assertEqual([(self.fa_key, 'simple\n'),
 
180
 
                          (self.fa_key, 'content\n'),
 
 
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        self.assertEqual([(self.fa_key, b'simple\n'),
 
 
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                          (self.fa_key, b'content\n'),
 
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                         ], self.ann.annotate_flat(self.fa_key))
 
182
 
        self.assertEqual([(self.fa_key, 'simple\n'),
 
183
 
                          (self.fb_key, 'new content\n'),
 
 
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        self.assertEqual([(self.fa_key, b'simple\n'),
 
 
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                          (self.fb_key, b'new content\n'),
 
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                         ], self.ann.annotate_flat(self.fb_key))
 
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    def test_annotate_flat_merge_and_restored_text(self):
 
187
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        self.make_merge_and_restored_text()
 
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        # fc is a simple dominator of fa
 
189
 
        self.assertEqual([(self.fa_key, 'simple\n'),
 
190
 
                          (self.fc_key, 'content\n'),
 
 
191
        self.assertEqual([(self.fa_key, b'simple\n'),
 
 
192
                          (self.fc_key, b'content\n'),
 
191
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                         ], self.ann.annotate_flat(self.fd_key))
 
193
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    def test_annotate_common_merge_text(self):
 
194
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        self.make_common_merge_text()
 
195
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        # there is no common point, so we just pick the lexicographical lowest
 
196
 
        # and 'b-id' comes before 'c-id'
 
197
 
        self.assertEqual([(self.fa_key, 'simple\n'),
 
198
 
                          (self.fb_key, 'new content\n'),
 
 
198
        # and b'b-id' comes before b'c-id'
 
 
199
        self.assertEqual([(self.fa_key, b'simple\n'),
 
 
200
                          (self.fb_key, b'new content\n'),
 
199
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                         ], self.ann.annotate_flat(self.fd_key))
 
201
203
    def test_annotate_many_way_common_merge_text(self):
 
202
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        self.make_many_way_common_merge_text()
 
203
 
        self.assertEqual([(self.fa_key, 'simple\n'),
 
204
 
                         (self.fb_key, 'new content\n')],
 
 
205
        self.assertEqual([(self.fa_key, b'simple\n'),
 
 
206
                         (self.fb_key, b'new content\n')],
 
205
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                         self.ann.annotate_flat(self.ff_key))
 
207
209
    def test_annotate_flat_respects_break_ann_tie(self):
 
208
 
        tiebreaker = annotate._break_annotation_tie
 
211
 
            def custom_tiebreaker(annotated_lines):
 
212
 
                self.assertEqual(2, len(annotated_lines))
 
213
 
                left = annotated_lines[0]
 
214
 
                self.assertEqual(2, len(left))
 
215
 
                self.assertEqual('new content\n', left[1])
 
216
 
                right = annotated_lines[1]
 
217
 
                self.assertEqual(2, len(right))
 
218
 
                self.assertEqual('new content\n', right[1])
 
219
 
                calls.append((left[0], right[0]))
 
220
 
                # Our custom tiebreaker takes the *largest* value, rather than
 
221
 
                # the *smallest* value
 
222
 
                if left[0] < right[0]:
 
226
 
            annotate._break_annotation_tie = custom_tiebreaker
 
227
 
            self.make_many_way_common_merge_text()
 
228
 
            self.assertEqual([(self.fa_key, 'simple\n'),
 
229
 
                             (self.fe_key, 'new content\n')],
 
230
 
                             self.ann.annotate_flat(self.ff_key))
 
231
 
            self.assertEqual([(self.fe_key, self.fc_key),
 
232
 
                              (self.fe_key, self.fb_key)], calls)
 
234
 
            annotate._break_annotation_tie = tiebreaker
 
 
211
        def custom_tiebreaker(annotated_lines):
 
 
212
            self.assertEqual(2, len(annotated_lines))
 
 
213
            left = annotated_lines[0]
 
 
214
            self.assertEqual(2, len(left))
 
 
215
            self.assertEqual(b'new content\n', left[1])
 
 
216
            right = annotated_lines[1]
 
 
217
            self.assertEqual(2, len(right))
 
 
218
            self.assertEqual(b'new content\n', right[1])
 
 
219
            seen.update([left[0], right[0]])
 
 
220
            # Our custom tiebreaker takes the *largest* value, rather than
 
 
221
            # the *smallest* value
 
 
222
            if left[0] < right[0]:
 
 
226
        self.overrideAttr(annotate, '_break_annotation_tie', custom_tiebreaker)
 
 
227
        self.make_many_way_common_merge_text()
 
 
228
        self.assertEqual([(self.fa_key, b'simple\n'),
 
 
229
                         (self.fe_key, b'new content\n')],
 
 
230
                         self.ann.annotate_flat(self.ff_key))
 
 
231
        # Calls happen in set iteration order but should keys should be seen
 
 
232
        self.assertEqual({self.fb_key, self.fc_key, self.fe_key}, seen)
 
237
234
    def test_needed_keys_simple(self):
 
238
235
        self.make_simple_text()