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Viewing changes to breezy/tests/test_annotate.py

  • Committer: Jelmer Vernooij
  • Date: 2017-08-07 11:49:46 UTC
  • mto: (6747.3.4 avoid-set-revid-3)
  • mto: This revision was merged to the branch mainline in revision 6750.
  • Revision ID: jelmer@jelmer.uk-20170807114946-luclmxuawyzhpiot
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breezy/tests/test_annotate.py
 
1
# Copyright (C) 2006-2009, 2011 Canonical Ltd
 
2
#
 
3
# This program is free software; you can redistribute it and/or modify
 
4
# it under the terms of the GNU General Public License as published by
 
5
# the Free Software Foundation; either version 2 of the License, or
 
6
# (at your option) any later version.
 
7
#
 
8
# This program is distributed in the hope that it will be useful,
 
9
# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
10
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
11
# GNU General Public License for more details.
 
12
#
 
13
# You should have received a copy of the GNU General Public License
 
14
# along with this program; if not, write to the Free Software
 
15
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
16
 
 
17
"""Whitebox tests for annotate functionality."""
 
18
 
 
19
import codecs
 
20
 
 
21
from .. import (
 
22
    annotate,
 
23
    tests,
 
24
    )
 
25
from ..sixish import (
 
26
    BytesIO,
 
27
    )
 
28
from .ui_testing import StringIOWithEncoding
 
29
 
 
30
 
 
31
def annotation(text):
 
32
    return [tuple(l.split(' ', 1)) for l in text.splitlines(True)]
 
33
 
 
34
 
 
35
parent_1 = annotation("""\
 
36
rev1 a
 
37
rev2 b
 
38
rev3 c
 
39
rev4 d
 
40
rev5 e
 
41
""")
 
42
 
 
43
 
 
44
parent_2 = annotation("""\
 
45
rev1 a
 
46
rev3 c
 
47
rev4 d
 
48
rev6 f
 
49
rev7 e
 
50
rev8 h
 
51
""")
 
52
 
 
53
 
 
54
expected_2_1 = annotation("""\
 
55
rev1 a
 
56
blahblah b
 
57
rev3 c
 
58
rev4 d
 
59
rev7 e
 
60
""")
 
61
 
 
62
 
 
63
# a: in both, same value, kept
 
64
# b: in 1, kept
 
65
# c: in both, same value, kept
 
66
# d: in both, same value, kept
 
67
# e: 1 and 2 disagree, so it goes to blahblah
 
68
# f: in 2, but not in new, so ignored
 
69
# g: not in 1 or 2, so it goes to blahblah
 
70
# h: only in parent 2, so 2 gets it
 
71
expected_1_2_2 = annotation("""\
 
72
rev1 a
 
73
rev2 b
 
74
rev3 c
 
75
rev4 d
 
76
blahblah e
 
77
blahblah g
 
78
rev8 h
 
79
""")
 
80
 
 
81
 
 
82
new_1 = """\
 
83
a
 
84
b
 
85
c
 
86
d
 
87
e
 
88
""".splitlines(True)
 
89
 
 
90
expected_1 = annotation("""\
 
91
blahblah a
 
92
blahblah b
 
93
blahblah c
 
94
blahblah d
 
95
blahblah e
 
96
""")
 
97
 
 
98
 
 
99
new_2 = """\
 
100
a
 
101
b
 
102
c
 
103
d
 
104
e
 
105
g
 
106
h
 
107
""".splitlines(True)
 
108
 
 
109
 
 
110
# For the 'duplicate' series, both sides introduce the same change, which then
 
111
# gets merged around. The last-modified should properly reflect this.
 
112
# We always change the fourth line so that the file is properly tracked as
 
113
# being modified in each revision. In reality, this probably would happen over
 
114
# many revisions, and it would be a different line that changes.
 
115
# BASE
 
116
#  |\
 
117
#  A B  # line should be annotated as new for A and B
 
118
#  |\|
 
119
#  C D  # line should 'converge' and say A
 
120
#  |/
 
121
#  E    # D should supersede A and stay as D (not become E because C references
 
122
#         A)
 
123
duplicate_base = annotation("""\
 
124
rev-base first
 
125
rev-base second
 
126
rev-base third
 
127
rev-base fourth-base
 
128
""")
 
129
 
 
130
duplicate_A = annotation("""\
 
131
rev-base first
 
132
rev-A alt-second
 
133
rev-base third
 
134
rev-A fourth-A
 
135
""")
 
136
 
 
137
duplicate_B = annotation("""\
 
138
rev-base first
 
139
rev-B alt-second
 
140
rev-base third
 
141
rev-B fourth-B
 
142
""")
 
143
 
 
144
duplicate_C = annotation("""\
 
145
rev-base first
 
146
rev-A alt-second
 
147
rev-base third
 
148
rev-C fourth-C
 
149
""")
 
150
 
 
151
duplicate_D = annotation("""\
 
152
rev-base first
 
153
rev-A alt-second
 
154
rev-base third
 
155
rev-D fourth-D
 
156
""")
 
157
 
 
158
duplicate_E = annotation("""\
 
159
rev-base first
 
160
rev-A alt-second
 
161
rev-base third
 
162
rev-E fourth-E
 
163
""")
 
164
 
 
165
 
 
166
class TestAnnotate(tests.TestCaseWithTransport):
 
167
 
 
168
    def create_merged_trees(self):
 
169
        """create 2 trees with merges between them.
 
170
 
 
171
        rev-1 --+
 
172
         |      |
 
173
        rev-2  rev-1_1_1
 
174
         |      |
 
175
         +------+
 
176
         |
 
177
        rev-3
 
178
        """
 
179
        builder = self.make_branch_builder('branch')
 
180
        builder.start_series()
 
181
        self.addCleanup(builder.finish_series)
 
182
        builder.build_snapshot('rev-1', None, [
 
183
            ('add', ('', 'root-id', 'directory', None)),
 
184
            ('add', ('a', 'a-id', 'file', 'first\n')),
 
185
            ], timestamp=1166046000.00, timezone=0, committer="joe@foo.com")
 
186
        builder.build_snapshot('rev-2', ['rev-1'], [
 
187
            ('modify', ('a-id', 'first\nsecond\n')),
 
188
            ], timestamp=1166046001.00, timezone=0, committer="joe@foo.com")
 
189
        builder.build_snapshot('rev-1_1_1', ['rev-1'], [
 
190
            ('modify', ('a-id', 'first\nthird\n')),
 
191
            ], timestamp=1166046002.00, timezone=0, committer="barry@foo.com")
 
192
        builder.build_snapshot('rev-3', ['rev-2', 'rev-1_1_1'], [
 
193
            ('modify', ('a-id', 'first\nsecond\nthird\n')),
 
194
            ], timestamp=1166046003.00, timezone=0, committer="sal@foo.com")
 
195
        return builder
 
196
 
 
197
    def create_deeply_merged_trees(self):
 
198
        """Create some trees with a more complex merge history.
 
199
 
 
200
        rev-1 --+
 
201
         |      |
 
202
        rev-2  rev-1_1_1 --+
 
203
         |      |          |
 
204
         +------+          |
 
205
         |      |          |
 
206
        rev-3  rev-1_1_2  rev-1_2_1 ------+
 
207
         |      |          |              |
 
208
         +------+          |              |
 
209
         |                 |              |
 
210
        rev-4             rev-1_2_2  rev-1_3_1
 
211
         |                 |              |
 
212
         +-----------------+              |
 
213
         |                                |
 
214
        rev-5                             |
 
215
         |                                |
 
216
         +--------------------------------+
 
217
         |
 
218
        rev-6
 
219
        """
 
220
        builder = self.create_merged_trees()
 
221
        builder.build_snapshot('rev-1_1_2', ['rev-1_1_1'], [])
 
222
        builder.build_snapshot('rev-4', ['rev-3', 'rev-1_1_2'], [])
 
223
        builder.build_snapshot('rev-1_2_1', ['rev-1_1_1'], [
 
224
            ('modify', ('a-id', 'first\nthird\nfourth\n')),
 
225
            ], timestamp=1166046003.00, timezone=0, committer="jerry@foo.com")
 
226
        builder.build_snapshot('rev-1_2_2', ['rev-1_2_1'], [],
 
227
            timestamp=1166046004.00, timezone=0, committer="jerry@foo.com")
 
228
        builder.build_snapshot('rev-5', ['rev-4', 'rev-1_2_2'], [
 
229
            ('modify', ('a-id', 'first\nsecond\nthird\nfourth\n')),
 
230
            ], timestamp=1166046004.00, timezone=0, committer="jerry@foo.com")
 
231
        builder.build_snapshot('rev-1_3_1', ['rev-1_2_1'], [
 
232
            ('modify', ('a-id', 'first\nthird\nfourth\nfifth\nsixth\n')),
 
233
            ], timestamp=1166046005.00, timezone=0, committer="george@foo.com")
 
234
        builder.build_snapshot('rev-6', ['rev-5', 'rev-1_3_1'], [
 
235
            ('modify', ('a-id',
 
236
                        'first\nsecond\nthird\nfourth\nfifth\nsixth\n')),
 
237
            ])
 
238
        return builder
 
239
 
 
240
    def create_duplicate_lines_tree(self):
 
241
        builder = self.make_branch_builder('branch')
 
242
        builder.start_series()
 
243
        self.addCleanup(builder.finish_series)
 
244
        base_text = ''.join(l for r, l in duplicate_base)
 
245
        a_text = ''.join(l for r, l in duplicate_A)
 
246
        b_text = ''.join(l for r, l in duplicate_B)
 
247
        c_text = ''.join(l for r, l in duplicate_C)
 
248
        d_text = ''.join(l for r, l in duplicate_D)
 
249
        e_text = ''.join(l for r, l in duplicate_E)
 
250
        builder.build_snapshot('rev-base', None, [
 
251
            ('add', ('', 'root-id', 'directory', None)),
 
252
            ('add', ('file', 'file-id', 'file', base_text)),
 
253
            ])
 
254
        builder.build_snapshot('rev-A', ['rev-base'], [
 
255
            ('modify', ('file-id', a_text))])
 
256
        builder.build_snapshot('rev-B', ['rev-base'], [
 
257
            ('modify', ('file-id', b_text))])
 
258
        builder.build_snapshot('rev-C', ['rev-A'], [
 
259
            ('modify', ('file-id', c_text))])
 
260
        builder.build_snapshot('rev-D', ['rev-B', 'rev-A'], [
 
261
            ('modify', ('file-id', d_text))])
 
262
        builder.build_snapshot('rev-E', ['rev-C', 'rev-D'], [
 
263
            ('modify', ('file-id', e_text))])
 
264
        return builder
 
265
 
 
266
    def assertAnnotateEqualDiff(self, actual, expected):
 
267
        if actual != expected:
 
268
            # Create an easier to understand diff when the lines don't actually
 
269
            # match
 
270
            self.assertEqualDiff(''.join('\t'.join(l) for l in expected),
 
271
                                 ''.join('\t'.join(l) for l in actual))
 
272
 
 
273
    def assertBranchAnnotate(self, expected, branch, file_id, revision_id,
 
274
            verbose=False, full=False, show_ids=False):
 
275
        tree = branch.repository.revision_tree(revision_id)
 
276
        to_file = BytesIO()
 
277
        annotate.annotate_file_tree(tree, file_id, to_file,
 
278
            verbose=verbose, full=full, show_ids=show_ids, branch=branch)
 
279
        self.assertAnnotateEqualDiff(to_file.getvalue(), expected)
 
280
 
 
281
    def assertRepoAnnotate(self, expected, repo, file_id, revision_id):
 
282
        """Assert that the revision is properly annotated."""
 
283
        actual = list(repo.revision_tree(revision_id).annotate_iter(file_id))
 
284
        self.assertAnnotateEqualDiff(actual, expected)
 
285
 
 
286
    def test_annotate_duplicate_lines(self):
 
287
        # XXX: Should this be a per_repository test?
 
288
        builder = self.create_duplicate_lines_tree()
 
289
        repo = builder.get_branch().repository
 
290
        repo.lock_read()
 
291
        self.addCleanup(repo.unlock)
 
292
        self.assertRepoAnnotate(duplicate_base, repo, 'file-id', 'rev-base')
 
293
        self.assertRepoAnnotate(duplicate_A, repo, 'file-id', 'rev-A')
 
294
        self.assertRepoAnnotate(duplicate_B, repo, 'file-id', 'rev-B')
 
295
        self.assertRepoAnnotate(duplicate_C, repo, 'file-id', 'rev-C')
 
296
        self.assertRepoAnnotate(duplicate_D, repo, 'file-id', 'rev-D')
 
297
        self.assertRepoAnnotate(duplicate_E, repo, 'file-id', 'rev-E')
 
298
 
 
299
    def test_annotate_shows_dotted_revnos(self):
 
300
        builder = self.create_merged_trees()
 
301
 
 
302
        self.assertBranchAnnotate('1     joe@foo | first\n'
 
303
                                  '2     joe@foo | second\n'
 
304
                                  '1.1.1 barry@f | third\n',
 
305
                                  builder.get_branch(), 'a-id', 'rev-3')
 
306
 
 
307
    def test_annotate_limits_dotted_revnos(self):
 
308
        """Annotate should limit dotted revnos to a depth of 12"""
 
309
        builder = self.create_deeply_merged_trees()
 
310
 
 
311
        self.assertBranchAnnotate('1     joe@foo | first\n'
 
312
                                  '2     joe@foo | second\n'
 
313
                                  '1.1.1 barry@f | third\n'
 
314
                                  '1.2.1 jerry@f | fourth\n'
 
315
                                  '1.3.1 george@ | fifth\n'
 
316
                                  '              | sixth\n',
 
317
                                  builder.get_branch(), 'a-id', 'rev-6',
 
318
                                  verbose=False, full=False)
 
319
 
 
320
        self.assertBranchAnnotate('1     joe@foo | first\n'
 
321
                                  '2     joe@foo | second\n'
 
322
                                  '1.1.1 barry@f | third\n'
 
323
                                  '1.2.1 jerry@f | fourth\n'
 
324
                                  '1.3.1 george@ | fifth\n'
 
325
                                  '1.3.1 george@ | sixth\n',
 
326
                                  builder.get_branch(), 'a-id', 'rev-6',
 
327
                                  verbose=False, full=True)
 
328
 
 
329
        # verbose=True shows everything, the full revno, user id, and date
 
330
        self.assertBranchAnnotate('1     joe@foo.com    20061213 | first\n'
 
331
                                  '2     joe@foo.com    20061213 | second\n'
 
332
                                  '1.1.1 barry@foo.com  20061213 | third\n'
 
333
                                  '1.2.1 jerry@foo.com  20061213 | fourth\n'
 
334
                                  '1.3.1 george@foo.com 20061213 | fifth\n'
 
335
                                  '                              | sixth\n',
 
336
                                  builder.get_branch(), 'a-id', 'rev-6',
 
337
                                  verbose=True, full=False)
 
338
 
 
339
        self.assertBranchAnnotate('1     joe@foo.com    20061213 | first\n'
 
340
                                  '2     joe@foo.com    20061213 | second\n'
 
341
                                  '1.1.1 barry@foo.com  20061213 | third\n'
 
342
                                  '1.2.1 jerry@foo.com  20061213 | fourth\n'
 
343
                                  '1.3.1 george@foo.com 20061213 | fifth\n'
 
344
                                  '1.3.1 george@foo.com 20061213 | sixth\n',
 
345
                                  builder.get_branch(), 'a-id', 'rev-6',
 
346
                                  verbose=True, full=True)
 
347
 
 
348
    def test_annotate_uses_branch_context(self):
 
349
        """Dotted revnos should use the Branch context.
 
350
 
 
351
        When annotating a non-mainline revision, the annotation should still
 
352
        use dotted revnos from the mainline.
 
353
        """
 
354
        builder = self.create_deeply_merged_trees()
 
355
 
 
356
        self.assertBranchAnnotate('1     joe@foo | first\n'
 
357
                                  '1.1.1 barry@f | third\n'
 
358
                                  '1.2.1 jerry@f | fourth\n'
 
359
                                  '1.3.1 george@ | fifth\n'
 
360
                                  '              | sixth\n',
 
361
                                  builder.get_branch(), 'a-id', 'rev-1_3_1',
 
362
                                  verbose=False, full=False)
 
363
 
 
364
    def test_annotate_show_ids(self):
 
365
        builder = self.create_deeply_merged_trees()
 
366
 
 
367
        # It looks better with real revision ids :)
 
368
        self.assertBranchAnnotate('    rev-1 | first\n'
 
369
                                  '    rev-2 | second\n'
 
370
                                  'rev-1_1_1 | third\n'
 
371
                                  'rev-1_2_1 | fourth\n'
 
372
                                  'rev-1_3_1 | fifth\n'
 
373
                                  '          | sixth\n',
 
374
                                  builder.get_branch(), 'a-id', 'rev-6',
 
375
                                  show_ids=True, full=False)
 
376
 
 
377
        self.assertBranchAnnotate('    rev-1 | first\n'
 
378
                                  '    rev-2 | second\n'
 
379
                                  'rev-1_1_1 | third\n'
 
380
                                  'rev-1_2_1 | fourth\n'
 
381
                                  'rev-1_3_1 | fifth\n'
 
382
                                  'rev-1_3_1 | sixth\n',
 
383
                                  builder.get_branch(), 'a-id', 'rev-6',
 
384
                                  show_ids=True, full=True)
 
385
 
 
386
    def test_annotate_unicode_author(self):
 
387
        tree1 = self.make_branch_and_tree('tree1')
 
388
 
 
389
        self.build_tree_contents([('tree1/a', 'adi\xc3\xb3s')])
 
390
        tree1.add(['a'], ['a-id'])
 
391
        tree1.commit('a', rev_id='rev-1',
 
392
                     committer=u'Pepe P\xe9rez <pperez@ejemplo.com>',
 
393
                     timestamp=1166046000.00, timezone=0)
 
394
 
 
395
        self.build_tree_contents([('tree1/b', 'bye')])
 
396
        tree1.add(['b'], ['b-id'])
 
397
        tree1.commit('b', rev_id='rev-2',
 
398
                     committer=u'p\xe9rez',
 
399
                     timestamp=1166046000.00, timezone=0)
 
400
 
 
401
        tree1.lock_read()
 
402
        self.addCleanup(tree1.unlock)
 
403
 
 
404
        revtree_1 = tree1.branch.repository.revision_tree('rev-1')
 
405
        revtree_2 = tree1.branch.repository.revision_tree('rev-2')
 
406
 
 
407
        # this passes if no exception is raised
 
408
        to_file = BytesIO()
 
409
        annotate.annotate_file_tree(revtree_1, 'a-id',
 
410
            to_file=to_file, branch=tree1.branch)
 
411
 
 
412
        sio = BytesIO()
 
413
        to_file = codecs.getwriter('ascii')(sio, 'replace')
 
414
        annotate.annotate_file_tree(revtree_2, 'b-id',
 
415
            to_file=to_file, branch=tree1.branch)
 
416
        self.assertEqualDiff('2   p?rez   | bye\n', sio.getvalue())
 
417
 
 
418
        # test now with unicode file-like
 
419
        to_file = StringIOWithEncoding()
 
420
        annotate.annotate_file_tree(revtree_2, 'b-id',
 
421
            to_file=to_file, branch=tree1.branch)
 
422
        self.assertContainsRe(u'2   p\xe9rez   | bye\n', to_file.getvalue())
 
423
 
 
424
    def test_annotate_author_or_committer(self):
 
425
        tree1 = self.make_branch_and_tree('tree1')
 
426
 
 
427
        self.build_tree_contents([('tree1/a', 'hello')])
 
428
        tree1.add(['a'], ['a-id'])
 
429
        tree1.commit('a', rev_id='rev-1',
 
430
                     committer='Committer <committer@example.com>',
 
431
                     timestamp=1166046000.00, timezone=0)
 
432
 
 
433
        self.build_tree_contents([('tree1/b', 'bye')])
 
434
        tree1.add(['b'], ['b-id'])
 
435
        tree1.commit('b', rev_id='rev-2',
 
436
                     committer='Committer <committer@example.com>',
 
437
                     authors=['Author <author@example.com>'],
 
438
                     timestamp=1166046000.00, timezone=0)
 
439
 
 
440
        tree1.lock_read()
 
441
        self.addCleanup(tree1.unlock)
 
442
 
 
443
        self.assertBranchAnnotate('1   committ | hello\n', tree1.branch,
 
444
            'a-id', 'rev-1')
 
445
 
 
446
        to_file = BytesIO()
 
447
        self.assertBranchAnnotate('2   author@ | bye\n', tree1.branch,
 
448
            'b-id', 'rev-2')
 
449
 
 
450
 
 
451
class TestReannotate(tests.TestCase):
 
452
 
 
453
    def annotateEqual(self, expected, parents, newlines, revision_id,
 
454
                      blocks=None):
 
455
        annotate_list = list(annotate.reannotate(parents, newlines,
 
456
                             revision_id, blocks))
 
457
        self.assertEqual(len(expected), len(annotate_list))
 
458
        for e, a in zip(expected, annotate_list):
 
459
            self.assertEqual(e, a)
 
460
 
 
461
    def test_reannotate(self):
 
462
        self.annotateEqual(parent_1, [parent_1], new_1, 'blahblah')
 
463
        self.annotateEqual(expected_2_1, [parent_2], new_1, 'blahblah')
 
464
        self.annotateEqual(expected_1_2_2, [parent_1, parent_2], new_2,
 
465
                           'blahblah')
 
466
 
 
467
    def test_reannotate_no_parents(self):
 
468
        self.annotateEqual(expected_1, [], new_1, 'blahblah')
 
469
 
 
470
    def test_reannotate_left_matching_blocks(self):
 
471
        """Ensure that left_matching_blocks has an impact.
 
472
 
 
473
        In this case, the annotation is ambiguous, so the hint isn't actually
 
474
        lying.
 
475
        """
 
476
        parent = [('rev1', 'a\n')]
 
477
        new_text = ['a\n', 'a\n']
 
478
        blocks = [(0, 0, 1), (1, 2, 0)]
 
479
        self.annotateEqual([('rev1', 'a\n'), ('rev2', 'a\n')], [parent],
 
480
                           new_text, 'rev2', blocks)
 
481
        blocks = [(0, 1, 1), (1, 2, 0)]
 
482
        self.annotateEqual([('rev2', 'a\n'), ('rev1', 'a\n')], [parent],
 
483
                           new_text, 'rev2', blocks)