~bzr-pqm/bzr/bzr.dev

« back to all changes in this revision

Viewing changes to bzrlib/tests/test_repository.py

  • Committer: Martin Pool
  • Date: 2005-06-22 06:26:23 UTC
  • Revision ID: mbp@sourcefrog.net-20050622062622-6611ffa8a26f858d
- remove noise output while testing

Show diffs side-by-side

added added

removed removed

Lines of Context:
1
 
# Copyright (C) 2006-2012, 2016 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
 
"""Tests for the Repository facility that are not interface tests.
18
 
 
19
 
For interface tests see tests/per_repository/*.py.
20
 
 
21
 
For concrete class tests see this file, and for storage formats tests
22
 
also see this file.
23
 
"""
24
 
 
25
 
from stat import S_ISDIR
26
 
 
27
 
import bzrlib
28
 
from bzrlib.errors import (
29
 
    UnknownFormatError,
30
 
    UnsupportedFormatError,
31
 
    )
32
 
from bzrlib import (
33
 
    btree_index,
34
 
    symbol_versioning,
35
 
    tests,
36
 
    transport,
37
 
    vf_search,
38
 
    )
39
 
from bzrlib.btree_index import BTreeBuilder, BTreeGraphIndex
40
 
from bzrlib.index import GraphIndex
41
 
from bzrlib.repository import RepositoryFormat
42
 
from bzrlib.tests import (
43
 
    TestCase,
44
 
    TestCaseWithTransport,
45
 
    )
46
 
from bzrlib import (
47
 
    bzrdir,
48
 
    controldir,
49
 
    errors,
50
 
    inventory,
51
 
    osutils,
52
 
    repository,
53
 
    revision as _mod_revision,
54
 
    upgrade,
55
 
    versionedfile,
56
 
    vf_repository,
57
 
    workingtree,
58
 
    )
59
 
from bzrlib.repofmt import (
60
 
    groupcompress_repo,
61
 
    knitrepo,
62
 
    knitpack_repo,
63
 
    pack_repo,
64
 
    )
65
 
 
66
 
 
67
 
class TestDefaultFormat(TestCase):
68
 
 
69
 
    def test_get_set_default_format(self):
70
 
        old_default = controldir.format_registry.get('default')
71
 
        private_default = old_default().repository_format.__class__
72
 
        old_format = repository.format_registry.get_default()
73
 
        self.assertTrue(isinstance(old_format, private_default))
74
 
        def make_sample_bzrdir():
75
 
            my_bzrdir = bzrdir.BzrDirMetaFormat1()
76
 
            my_bzrdir.repository_format = SampleRepositoryFormat()
77
 
            return my_bzrdir
78
 
        controldir.format_registry.remove('default')
79
 
        controldir.format_registry.register('sample', make_sample_bzrdir, '')
80
 
        controldir.format_registry.set_default('sample')
81
 
        # creating a repository should now create an instrumented dir.
82
 
        try:
83
 
            # the default branch format is used by the meta dir format
84
 
            # which is not the default bzrdir format at this point
85
 
            dir = bzrdir.BzrDirMetaFormat1().initialize('memory:///')
86
 
            result = dir.create_repository()
87
 
            self.assertEqual(result, 'A bzr repository dir')
88
 
        finally:
89
 
            controldir.format_registry.remove('default')
90
 
            controldir.format_registry.remove('sample')
91
 
            controldir.format_registry.register('default', old_default, '')
92
 
        self.assertIsInstance(repository.format_registry.get_default(),
93
 
                              old_format.__class__)
94
 
 
95
 
 
96
 
class SampleRepositoryFormat(repository.RepositoryFormatMetaDir):
97
 
    """A sample format
98
 
 
99
 
    this format is initializable, unsupported to aid in testing the
100
 
    open and open(unsupported=True) routines.
101
 
    """
102
 
 
103
 
    @classmethod
104
 
    def get_format_string(cls):
105
 
        """See RepositoryFormat.get_format_string()."""
106
 
        return "Sample .bzr repository format."
107
 
 
108
 
    def initialize(self, a_bzrdir, shared=False):
109
 
        """Initialize a repository in a BzrDir"""
110
 
        t = a_bzrdir.get_repository_transport(self)
111
 
        t.put_bytes('format', self.get_format_string())
112
 
        return 'A bzr repository dir'
113
 
 
114
 
    def is_supported(self):
115
 
        return False
116
 
 
117
 
    def open(self, a_bzrdir, _found=False):
118
 
        return "opened repository."
119
 
 
120
 
 
121
 
class SampleExtraRepositoryFormat(repository.RepositoryFormat):
122
 
    """A sample format that can not be used in a metadir
123
 
 
124
 
    """
125
 
 
126
 
    def get_format_string(self):
127
 
        raise NotImplementedError
128
 
 
129
 
 
130
 
class TestRepositoryFormat(TestCaseWithTransport):
131
 
    """Tests for the Repository format detection used by the bzr meta dir facility.BzrBranchFormat facility."""
132
 
 
133
 
    def test_find_format(self):
134
 
        # is the right format object found for a repository?
135
 
        # create a branch with a few known format objects.
136
 
        # this is not quite the same as
137
 
        self.build_tree(["foo/", "bar/"])
138
 
        def check_format(format, url):
139
 
            dir = format._matchingbzrdir.initialize(url)
140
 
            format.initialize(dir)
141
 
            t = transport.get_transport_from_path(url)
142
 
            found_format = repository.RepositoryFormatMetaDir.find_format(dir)
143
 
            self.assertIsInstance(found_format, format.__class__)
144
 
        check_format(repository.format_registry.get_default(), "bar")
145
 
 
146
 
    def test_find_format_no_repository(self):
147
 
        dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
148
 
        self.assertRaises(errors.NoRepositoryPresent,
149
 
                          repository.RepositoryFormatMetaDir.find_format,
150
 
                          dir)
151
 
 
152
 
    def test_from_string(self):
153
 
        self.assertIsInstance(
154
 
            SampleRepositoryFormat.from_string(
155
 
                "Sample .bzr repository format."),
156
 
            SampleRepositoryFormat)
157
 
        self.assertRaises(AssertionError,
158
 
            SampleRepositoryFormat.from_string,
159
 
                "Different .bzr repository format.")
160
 
 
161
 
    def test_find_format_unknown_format(self):
162
 
        dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
163
 
        SampleRepositoryFormat().initialize(dir)
164
 
        self.assertRaises(UnknownFormatError,
165
 
                          repository.RepositoryFormatMetaDir.find_format,
166
 
                          dir)
167
 
 
168
 
    def test_find_format_with_features(self):
169
 
        tree = self.make_branch_and_tree('.', format='2a')
170
 
        tree.branch.repository.update_feature_flags({"name": "necessity"})
171
 
        found_format = repository.RepositoryFormatMetaDir.find_format(tree.bzrdir)
172
 
        self.assertIsInstance(found_format, repository.RepositoryFormatMetaDir)
173
 
        self.assertEqual(found_format.features.get("name"), "necessity")
174
 
        self.assertRaises(errors.MissingFeature, found_format.check_support_status,
175
 
            True)
176
 
        self.addCleanup(repository.RepositoryFormatMetaDir.unregister_feature,
177
 
            "name")
178
 
        repository.RepositoryFormatMetaDir.register_feature("name")
179
 
        found_format.check_support_status(True)
180
 
 
181
 
 
182
 
class TestRepositoryFormatRegistry(TestCase):
183
 
 
184
 
    def setUp(self):
185
 
        super(TestRepositoryFormatRegistry, self).setUp()
186
 
        self.registry = repository.RepositoryFormatRegistry()
187
 
 
188
 
    def test_register_unregister_format(self):
189
 
        format = SampleRepositoryFormat()
190
 
        self.registry.register(format)
191
 
        self.assertEqual(format, self.registry.get("Sample .bzr repository format."))
192
 
        self.registry.remove(format)
193
 
        self.assertRaises(KeyError, self.registry.get, "Sample .bzr repository format.")
194
 
 
195
 
    def test_get_all(self):
196
 
        format = SampleRepositoryFormat()
197
 
        self.assertEqual([], self.registry._get_all())
198
 
        self.registry.register(format)
199
 
        self.assertEqual([format], self.registry._get_all())
200
 
 
201
 
    def test_register_extra(self):
202
 
        format = SampleExtraRepositoryFormat()
203
 
        self.assertEqual([], self.registry._get_all())
204
 
        self.registry.register_extra(format)
205
 
        self.assertEqual([format], self.registry._get_all())
206
 
 
207
 
    def test_register_extra_lazy(self):
208
 
        self.assertEqual([], self.registry._get_all())
209
 
        self.registry.register_extra_lazy("bzrlib.tests.test_repository",
210
 
            "SampleExtraRepositoryFormat")
211
 
        formats = self.registry._get_all()
212
 
        self.assertEqual(1, len(formats))
213
 
        self.assertIsInstance(formats[0], SampleExtraRepositoryFormat)
214
 
 
215
 
 
216
 
class TestFormatKnit1(TestCaseWithTransport):
217
 
 
218
 
    def test_attribute__fetch_order(self):
219
 
        """Knits need topological data insertion."""
220
 
        repo = self.make_repository('.',
221
 
                format=controldir.format_registry.get('knit')())
222
 
        self.assertEqual('topological', repo._format._fetch_order)
223
 
 
224
 
    def test_attribute__fetch_uses_deltas(self):
225
 
        """Knits reuse deltas."""
226
 
        repo = self.make_repository('.',
227
 
                format=controldir.format_registry.get('knit')())
228
 
        self.assertEqual(True, repo._format._fetch_uses_deltas)
229
 
 
230
 
    def test_disk_layout(self):
231
 
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
232
 
        repo = knitrepo.RepositoryFormatKnit1().initialize(control)
233
 
        # in case of side effects of locking.
234
 
        repo.lock_write()
235
 
        repo.unlock()
236
 
        # we want:
237
 
        # format 'Bazaar-NG Knit Repository Format 1'
238
 
        # lock: is a directory
239
 
        # inventory.weave == empty_weave
240
 
        # empty revision-store directory
241
 
        # empty weaves directory
242
 
        t = control.get_repository_transport(None)
243
 
        self.assertEqualDiff('Bazaar-NG Knit Repository Format 1',
244
 
                             t.get('format').read())
245
 
        # XXX: no locks left when unlocked at the moment
246
 
        # self.assertEqualDiff('', t.get('lock').read())
247
 
        self.assertTrue(S_ISDIR(t.stat('knits').st_mode))
248
 
        self.check_knits(t)
249
 
        # Check per-file knits.
250
 
        branch = control.create_branch()
251
 
        tree = control.create_workingtree()
252
 
        tree.add(['foo'], ['Nasty-IdC:'], ['file'])
253
 
        tree.put_file_bytes_non_atomic('Nasty-IdC:', '')
254
 
        tree.commit('1st post', rev_id='foo')
255
 
        self.assertHasKnit(t, 'knits/e8/%254easty-%2549d%2543%253a',
256
 
            '\nfoo fulltext 0 81  :')
257
 
 
258
 
    def assertHasKnit(self, t, knit_name, extra_content=''):
259
 
        """Assert that knit_name exists on t."""
260
 
        self.assertEqualDiff('# bzr knit index 8\n' + extra_content,
261
 
                             t.get(knit_name + '.kndx').read())
262
 
 
263
 
    def check_knits(self, t):
264
 
        """check knit content for a repository."""
265
 
        self.assertHasKnit(t, 'inventory')
266
 
        self.assertHasKnit(t, 'revisions')
267
 
        self.assertHasKnit(t, 'signatures')
268
 
 
269
 
    def test_shared_disk_layout(self):
270
 
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
271
 
        repo = knitrepo.RepositoryFormatKnit1().initialize(control, shared=True)
272
 
        # we want:
273
 
        # format 'Bazaar-NG Knit Repository Format 1'
274
 
        # lock: is a directory
275
 
        # inventory.weave == empty_weave
276
 
        # empty revision-store directory
277
 
        # empty weaves directory
278
 
        # a 'shared-storage' marker file.
279
 
        t = control.get_repository_transport(None)
280
 
        self.assertEqualDiff('Bazaar-NG Knit Repository Format 1',
281
 
                             t.get('format').read())
282
 
        # XXX: no locks left when unlocked at the moment
283
 
        # self.assertEqualDiff('', t.get('lock').read())
284
 
        self.assertEqualDiff('', t.get('shared-storage').read())
285
 
        self.assertTrue(S_ISDIR(t.stat('knits').st_mode))
286
 
        self.check_knits(t)
287
 
 
288
 
    def test_shared_no_tree_disk_layout(self):
289
 
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
290
 
        repo = knitrepo.RepositoryFormatKnit1().initialize(control, shared=True)
291
 
        repo.set_make_working_trees(False)
292
 
        # we want:
293
 
        # format 'Bazaar-NG Knit Repository Format 1'
294
 
        # lock ''
295
 
        # inventory.weave == empty_weave
296
 
        # empty revision-store directory
297
 
        # empty weaves directory
298
 
        # a 'shared-storage' marker file.
299
 
        t = control.get_repository_transport(None)
300
 
        self.assertEqualDiff('Bazaar-NG Knit Repository Format 1',
301
 
                             t.get('format').read())
302
 
        # XXX: no locks left when unlocked at the moment
303
 
        # self.assertEqualDiff('', t.get('lock').read())
304
 
        self.assertEqualDiff('', t.get('shared-storage').read())
305
 
        self.assertEqualDiff('', t.get('no-working-trees').read())
306
 
        repo.set_make_working_trees(True)
307
 
        self.assertFalse(t.has('no-working-trees'))
308
 
        self.assertTrue(S_ISDIR(t.stat('knits').st_mode))
309
 
        self.check_knits(t)
310
 
 
311
 
    def test_deserialise_sets_root_revision(self):
312
 
        """We must have a inventory.root.revision
313
 
 
314
 
        Old versions of the XML5 serializer did not set the revision_id for
315
 
        the whole inventory. So we grab the one from the expected text. Which
316
 
        is valid when the api is not being abused.
317
 
        """
318
 
        repo = self.make_repository('.',
319
 
                format=controldir.format_registry.get('knit')())
320
 
        inv_xml = '<inventory format="5">\n</inventory>\n'
321
 
        inv = repo._deserialise_inventory('test-rev-id', inv_xml)
322
 
        self.assertEqual('test-rev-id', inv.root.revision)
323
 
 
324
 
    def test_deserialise_uses_global_revision_id(self):
325
 
        """If it is set, then we re-use the global revision id"""
326
 
        repo = self.make_repository('.',
327
 
                format=controldir.format_registry.get('knit')())
328
 
        inv_xml = ('<inventory format="5" revision_id="other-rev-id">\n'
329
 
                   '</inventory>\n')
330
 
        # Arguably, the deserialise_inventory should detect a mismatch, and
331
 
        # raise an error, rather than silently using one revision_id over the
332
 
        # other.
333
 
        self.assertRaises(AssertionError, repo._deserialise_inventory,
334
 
            'test-rev-id', inv_xml)
335
 
        inv = repo._deserialise_inventory('other-rev-id', inv_xml)
336
 
        self.assertEqual('other-rev-id', inv.root.revision)
337
 
 
338
 
    def test_supports_external_lookups(self):
339
 
        repo = self.make_repository('.',
340
 
                format=controldir.format_registry.get('knit')())
341
 
        self.assertFalse(repo._format.supports_external_lookups)
342
 
 
343
 
 
344
 
class DummyRepository(object):
345
 
    """A dummy repository for testing."""
346
 
 
347
 
    _format = None
348
 
    _serializer = None
349
 
 
350
 
    def supports_rich_root(self):
351
 
        if self._format is not None:
352
 
            return self._format.rich_root_data
353
 
        return False
354
 
 
355
 
    def get_graph(self):
356
 
        raise NotImplementedError
357
 
 
358
 
    def get_parent_map(self, revision_ids):
359
 
        raise NotImplementedError
360
 
 
361
 
 
362
 
class InterDummy(repository.InterRepository):
363
 
    """An inter-repository optimised code path for DummyRepository.
364
 
 
365
 
    This is for use during testing where we use DummyRepository as repositories
366
 
    so that none of the default regsitered inter-repository classes will
367
 
    MATCH.
368
 
    """
369
 
 
370
 
    @staticmethod
371
 
    def is_compatible(repo_source, repo_target):
372
 
        """InterDummy is compatible with DummyRepository."""
373
 
        return (isinstance(repo_source, DummyRepository) and
374
 
            isinstance(repo_target, DummyRepository))
375
 
 
376
 
 
377
 
class TestInterRepository(TestCaseWithTransport):
378
 
 
379
 
    def test_get_default_inter_repository(self):
380
 
        # test that the InterRepository.get(repo_a, repo_b) probes
381
 
        # for a inter_repo class where is_compatible(repo_a, repo_b) returns
382
 
        # true and returns a default inter_repo otherwise.
383
 
        # This also tests that the default registered optimised interrepository
384
 
        # classes do not barf inappropriately when a surprising repository type
385
 
        # is handed to them.
386
 
        dummy_a = DummyRepository()
387
 
        dummy_a._format = RepositoryFormat()
388
 
        dummy_a._format.supports_full_versioned_files = True
389
 
        dummy_b = DummyRepository()
390
 
        dummy_b._format = RepositoryFormat()
391
 
        dummy_b._format.supports_full_versioned_files = True
392
 
        self.assertGetsDefaultInterRepository(dummy_a, dummy_b)
393
 
 
394
 
    def assertGetsDefaultInterRepository(self, repo_a, repo_b):
395
 
        """Asserts that InterRepository.get(repo_a, repo_b) -> the default.
396
 
 
397
 
        The effective default is now InterSameDataRepository because there is
398
 
        no actual sane default in the presence of incompatible data models.
399
 
        """
400
 
        inter_repo = repository.InterRepository.get(repo_a, repo_b)
401
 
        self.assertEqual(vf_repository.InterSameDataRepository,
402
 
                         inter_repo.__class__)
403
 
        self.assertEqual(repo_a, inter_repo.source)
404
 
        self.assertEqual(repo_b, inter_repo.target)
405
 
 
406
 
    def test_register_inter_repository_class(self):
407
 
        # test that a optimised code path provider - a
408
 
        # InterRepository subclass can be registered and unregistered
409
 
        # and that it is correctly selected when given a repository
410
 
        # pair that it returns true on for the is_compatible static method
411
 
        # check
412
 
        dummy_a = DummyRepository()
413
 
        dummy_a._format = RepositoryFormat()
414
 
        dummy_b = DummyRepository()
415
 
        dummy_b._format = RepositoryFormat()
416
 
        repo = self.make_repository('.')
417
 
        # hack dummies to look like repo somewhat.
418
 
        dummy_a._serializer = repo._serializer
419
 
        dummy_a._format.supports_tree_reference = repo._format.supports_tree_reference
420
 
        dummy_a._format.rich_root_data = repo._format.rich_root_data
421
 
        dummy_a._format.supports_full_versioned_files = repo._format.supports_full_versioned_files
422
 
        dummy_b._serializer = repo._serializer
423
 
        dummy_b._format.supports_tree_reference = repo._format.supports_tree_reference
424
 
        dummy_b._format.rich_root_data = repo._format.rich_root_data
425
 
        dummy_b._format.supports_full_versioned_files = repo._format.supports_full_versioned_files
426
 
        repository.InterRepository.register_optimiser(InterDummy)
427
 
        try:
428
 
            # we should get the default for something InterDummy returns False
429
 
            # to
430
 
            self.assertFalse(InterDummy.is_compatible(dummy_a, repo))
431
 
            self.assertGetsDefaultInterRepository(dummy_a, repo)
432
 
            # and we should get an InterDummy for a pair it 'likes'
433
 
            self.assertTrue(InterDummy.is_compatible(dummy_a, dummy_b))
434
 
            inter_repo = repository.InterRepository.get(dummy_a, dummy_b)
435
 
            self.assertEqual(InterDummy, inter_repo.__class__)
436
 
            self.assertEqual(dummy_a, inter_repo.source)
437
 
            self.assertEqual(dummy_b, inter_repo.target)
438
 
        finally:
439
 
            repository.InterRepository.unregister_optimiser(InterDummy)
440
 
        # now we should get the default InterRepository object again.
441
 
        self.assertGetsDefaultInterRepository(dummy_a, dummy_b)
442
 
 
443
 
 
444
 
class TestRepositoryFormat1(knitrepo.RepositoryFormatKnit1):
445
 
 
446
 
    @classmethod
447
 
    def get_format_string(cls):
448
 
        return "Test Format 1"
449
 
 
450
 
 
451
 
class TestRepositoryFormat2(knitrepo.RepositoryFormatKnit1):
452
 
 
453
 
    @classmethod
454
 
    def get_format_string(cls):
455
 
        return "Test Format 2"
456
 
 
457
 
 
458
 
class TestRepositoryConverter(TestCaseWithTransport):
459
 
 
460
 
    def test_convert_empty(self):
461
 
        source_format = TestRepositoryFormat1()
462
 
        target_format = TestRepositoryFormat2()
463
 
        repository.format_registry.register(source_format)
464
 
        self.addCleanup(repository.format_registry.remove,
465
 
            source_format)
466
 
        repository.format_registry.register(target_format)
467
 
        self.addCleanup(repository.format_registry.remove,
468
 
            target_format)
469
 
        t = self.get_transport()
470
 
        t.mkdir('repository')
471
 
        repo_dir = bzrdir.BzrDirMetaFormat1().initialize('repository')
472
 
        repo = TestRepositoryFormat1().initialize(repo_dir)
473
 
        converter = repository.CopyConverter(target_format)
474
 
        pb = bzrlib.ui.ui_factory.nested_progress_bar()
475
 
        try:
476
 
            converter.convert(repo, pb)
477
 
        finally:
478
 
            pb.finished()
479
 
        repo = repo_dir.open_repository()
480
 
        self.assertTrue(isinstance(target_format, repo._format.__class__))
481
 
 
482
 
 
483
 
class TestRepositoryFormatKnit3(TestCaseWithTransport):
484
 
 
485
 
    def test_attribute__fetch_order(self):
486
 
        """Knits need topological data insertion."""
487
 
        format = bzrdir.BzrDirMetaFormat1()
488
 
        format.repository_format = knitrepo.RepositoryFormatKnit3()
489
 
        repo = self.make_repository('.', format=format)
490
 
        self.assertEqual('topological', repo._format._fetch_order)
491
 
 
492
 
    def test_attribute__fetch_uses_deltas(self):
493
 
        """Knits reuse deltas."""
494
 
        format = bzrdir.BzrDirMetaFormat1()
495
 
        format.repository_format = knitrepo.RepositoryFormatKnit3()
496
 
        repo = self.make_repository('.', format=format)
497
 
        self.assertEqual(True, repo._format._fetch_uses_deltas)
498
 
 
499
 
    def test_convert(self):
500
 
        """Ensure the upgrade adds weaves for roots"""
501
 
        format = bzrdir.BzrDirMetaFormat1()
502
 
        format.repository_format = knitrepo.RepositoryFormatKnit1()
503
 
        tree = self.make_branch_and_tree('.', format)
504
 
        tree.commit("Dull commit", rev_id="dull")
505
 
        revision_tree = tree.branch.repository.revision_tree('dull')
506
 
        revision_tree.lock_read()
507
 
        try:
508
 
            self.assertRaises(errors.NoSuchFile, revision_tree.get_file_lines,
509
 
                revision_tree.get_root_id())
510
 
        finally:
511
 
            revision_tree.unlock()
512
 
        format = bzrdir.BzrDirMetaFormat1()
513
 
        format.repository_format = knitrepo.RepositoryFormatKnit3()
514
 
        upgrade.Convert('.', format)
515
 
        tree = workingtree.WorkingTree.open('.')
516
 
        revision_tree = tree.branch.repository.revision_tree('dull')
517
 
        revision_tree.lock_read()
518
 
        try:
519
 
            revision_tree.get_file_lines(revision_tree.get_root_id())
520
 
        finally:
521
 
            revision_tree.unlock()
522
 
        tree.commit("Another dull commit", rev_id='dull2')
523
 
        revision_tree = tree.branch.repository.revision_tree('dull2')
524
 
        revision_tree.lock_read()
525
 
        self.addCleanup(revision_tree.unlock)
526
 
        self.assertEqual('dull',
527
 
                revision_tree.get_file_revision(revision_tree.get_root_id()))
528
 
 
529
 
    def test_supports_external_lookups(self):
530
 
        format = bzrdir.BzrDirMetaFormat1()
531
 
        format.repository_format = knitrepo.RepositoryFormatKnit3()
532
 
        repo = self.make_repository('.', format=format)
533
 
        self.assertFalse(repo._format.supports_external_lookups)
534
 
 
535
 
 
536
 
class Test2a(tests.TestCaseWithMemoryTransport):
537
 
 
538
 
    def test_chk_bytes_uses_custom_btree_parser(self):
539
 
        mt = self.make_branch_and_memory_tree('test', format='2a')
540
 
        mt.lock_write()
541
 
        self.addCleanup(mt.unlock)
542
 
        mt.add([''], ['root-id'])
543
 
        mt.commit('first')
544
 
        index = mt.branch.repository.chk_bytes._index._graph_index._indices[0]
545
 
        self.assertEqual(btree_index._gcchk_factory, index._leaf_factory)
546
 
        # It should also work if we re-open the repo
547
 
        repo = mt.branch.repository.bzrdir.open_repository()
548
 
        repo.lock_read()
549
 
        self.addCleanup(repo.unlock)
550
 
        index = repo.chk_bytes._index._graph_index._indices[0]
551
 
        self.assertEqual(btree_index._gcchk_factory, index._leaf_factory)
552
 
 
553
 
    def test_fetch_combines_groups(self):
554
 
        builder = self.make_branch_builder('source', format='2a')
555
 
        builder.start_series()
556
 
        builder.build_snapshot('1', None, [
557
 
            ('add', ('', 'root-id', 'directory', '')),
558
 
            ('add', ('file', 'file-id', 'file', 'content\n'))])
559
 
        builder.build_snapshot('2', ['1'], [
560
 
            ('modify', ('file-id', 'content-2\n'))])
561
 
        builder.finish_series()
562
 
        source = builder.get_branch()
563
 
        target = self.make_repository('target', format='2a')
564
 
        target.fetch(source.repository)
565
 
        target.lock_read()
566
 
        self.addCleanup(target.unlock)
567
 
        details = target.texts._index.get_build_details(
568
 
            [('file-id', '1',), ('file-id', '2',)])
569
 
        file_1_details = details[('file-id', '1')]
570
 
        file_2_details = details[('file-id', '2')]
571
 
        # The index, and what to read off disk, should be the same for both
572
 
        # versions of the file.
573
 
        self.assertEqual(file_1_details[0][:3], file_2_details[0][:3])
574
 
 
575
 
    def test_fetch_combines_groups(self):
576
 
        builder = self.make_branch_builder('source', format='2a')
577
 
        builder.start_series()
578
 
        builder.build_snapshot('1', None, [
579
 
            ('add', ('', 'root-id', 'directory', '')),
580
 
            ('add', ('file', 'file-id', 'file', 'content\n'))])
581
 
        builder.build_snapshot('2', ['1'], [
582
 
            ('modify', ('file-id', 'content-2\n'))])
583
 
        builder.finish_series()
584
 
        source = builder.get_branch()
585
 
        target = self.make_repository('target', format='2a')
586
 
        target.fetch(source.repository)
587
 
        target.lock_read()
588
 
        self.addCleanup(target.unlock)
589
 
        details = target.texts._index.get_build_details(
590
 
            [('file-id', '1',), ('file-id', '2',)])
591
 
        file_1_details = details[('file-id', '1')]
592
 
        file_2_details = details[('file-id', '2')]
593
 
        # The index, and what to read off disk, should be the same for both
594
 
        # versions of the file.
595
 
        self.assertEqual(file_1_details[0][:3], file_2_details[0][:3])
596
 
 
597
 
    def test_fetch_combines_groups(self):
598
 
        builder = self.make_branch_builder('source', format='2a')
599
 
        builder.start_series()
600
 
        builder.build_snapshot('1', None, [
601
 
            ('add', ('', 'root-id', 'directory', '')),
602
 
            ('add', ('file', 'file-id', 'file', 'content\n'))])
603
 
        builder.build_snapshot('2', ['1'], [
604
 
            ('modify', ('file-id', 'content-2\n'))])
605
 
        builder.finish_series()
606
 
        source = builder.get_branch()
607
 
        target = self.make_repository('target', format='2a')
608
 
        target.fetch(source.repository)
609
 
        target.lock_read()
610
 
        self.addCleanup(target.unlock)
611
 
        details = target.texts._index.get_build_details(
612
 
            [('file-id', '1',), ('file-id', '2',)])
613
 
        file_1_details = details[('file-id', '1')]
614
 
        file_2_details = details[('file-id', '2')]
615
 
        # The index, and what to read off disk, should be the same for both
616
 
        # versions of the file.
617
 
        self.assertEqual(file_1_details[0][:3], file_2_details[0][:3])
618
 
 
619
 
    def test_format_pack_compresses_True(self):
620
 
        repo = self.make_repository('repo', format='2a')
621
 
        self.assertTrue(repo._format.pack_compresses)
622
 
 
623
 
    def test_inventories_use_chk_map_with_parent_base_dict(self):
624
 
        tree = self.make_branch_and_memory_tree('repo', format="2a")
625
 
        tree.lock_write()
626
 
        tree.add([''], ['TREE_ROOT'])
627
 
        revid = tree.commit("foo")
628
 
        tree.unlock()
629
 
        tree.lock_read()
630
 
        self.addCleanup(tree.unlock)
631
 
        inv = tree.branch.repository.get_inventory(revid)
632
 
        self.assertNotEqual(None, inv.parent_id_basename_to_file_id)
633
 
        inv.parent_id_basename_to_file_id._ensure_root()
634
 
        inv.id_to_entry._ensure_root()
635
 
        self.assertEqual(65536, inv.id_to_entry._root_node.maximum_size)
636
 
        self.assertEqual(65536,
637
 
            inv.parent_id_basename_to_file_id._root_node.maximum_size)
638
 
 
639
 
    def test_autopack_unchanged_chk_nodes(self):
640
 
        # at 20 unchanged commits, chk pages are packed that are split into
641
 
        # two groups such that the new pack being made doesn't have all its
642
 
        # pages in the source packs (though they are in the repository).
643
 
        # Use a memory backed repository, we don't need to hit disk for this
644
 
        tree = self.make_branch_and_memory_tree('tree', format='2a')
645
 
        tree.lock_write()
646
 
        self.addCleanup(tree.unlock)
647
 
        tree.add([''], ['TREE_ROOT'])
648
 
        for pos in range(20):
649
 
            tree.commit(str(pos))
650
 
 
651
 
    def test_pack_with_hint(self):
652
 
        tree = self.make_branch_and_memory_tree('tree', format='2a')
653
 
        tree.lock_write()
654
 
        self.addCleanup(tree.unlock)
655
 
        tree.add([''], ['TREE_ROOT'])
656
 
        # 1 commit to leave untouched
657
 
        tree.commit('1')
658
 
        to_keep = tree.branch.repository._pack_collection.names()
659
 
        # 2 to combine
660
 
        tree.commit('2')
661
 
        tree.commit('3')
662
 
        all = tree.branch.repository._pack_collection.names()
663
 
        combine = list(set(all) - set(to_keep))
664
 
        self.assertLength(3, all)
665
 
        self.assertLength(2, combine)
666
 
        tree.branch.repository.pack(hint=combine)
667
 
        final = tree.branch.repository._pack_collection.names()
668
 
        self.assertLength(2, final)
669
 
        self.assertFalse(combine[0] in final)
670
 
        self.assertFalse(combine[1] in final)
671
 
        self.assertSubset(to_keep, final)
672
 
 
673
 
    def test_stream_source_to_gc(self):
674
 
        source = self.make_repository('source', format='2a')
675
 
        target = self.make_repository('target', format='2a')
676
 
        stream = source._get_source(target._format)
677
 
        self.assertIsInstance(stream, groupcompress_repo.GroupCHKStreamSource)
678
 
 
679
 
    def test_stream_source_to_non_gc(self):
680
 
        source = self.make_repository('source', format='2a')
681
 
        target = self.make_repository('target', format='rich-root-pack')
682
 
        stream = source._get_source(target._format)
683
 
        # We don't want the child GroupCHKStreamSource
684
 
        self.assertIs(type(stream), vf_repository.StreamSource)
685
 
 
686
 
    def test_get_stream_for_missing_keys_includes_all_chk_refs(self):
687
 
        source_builder = self.make_branch_builder('source',
688
 
                            format='2a')
689
 
        # We have to build a fairly large tree, so that we are sure the chk
690
 
        # pages will have split into multiple pages.
691
 
        entries = [('add', ('', 'a-root-id', 'directory', None))]
692
 
        for i in 'abcdefghijklmnopqrstuvwxyz123456789':
693
 
            for j in 'abcdefghijklmnopqrstuvwxyz123456789':
694
 
                fname = i + j
695
 
                fid = fname + '-id'
696
 
                content = 'content for %s\n' % (fname,)
697
 
                entries.append(('add', (fname, fid, 'file', content)))
698
 
        source_builder.start_series()
699
 
        source_builder.build_snapshot('rev-1', None, entries)
700
 
        # Now change a few of them, so we get a few new pages for the second
701
 
        # revision
702
 
        source_builder.build_snapshot('rev-2', ['rev-1'], [
703
 
            ('modify', ('aa-id', 'new content for aa-id\n')),
704
 
            ('modify', ('cc-id', 'new content for cc-id\n')),
705
 
            ('modify', ('zz-id', 'new content for zz-id\n')),
706
 
            ])
707
 
        source_builder.finish_series()
708
 
        source_branch = source_builder.get_branch()
709
 
        source_branch.lock_read()
710
 
        self.addCleanup(source_branch.unlock)
711
 
        target = self.make_repository('target', format='2a')
712
 
        source = source_branch.repository._get_source(target._format)
713
 
        self.assertIsInstance(source, groupcompress_repo.GroupCHKStreamSource)
714
 
 
715
 
        # On a regular pass, getting the inventories and chk pages for rev-2
716
 
        # would only get the newly created chk pages
717
 
        search = vf_search.SearchResult(set(['rev-2']), set(['rev-1']), 1,
718
 
                                    set(['rev-2']))
719
 
        simple_chk_records = []
720
 
        for vf_name, substream in source.get_stream(search):
721
 
            if vf_name == 'chk_bytes':
722
 
                for record in substream:
723
 
                    simple_chk_records.append(record.key)
724
 
            else:
725
 
                for _ in substream:
726
 
                    continue
727
 
        # 3 pages, the root (InternalNode), + 2 pages which actually changed
728
 
        self.assertEqual([('sha1:91481f539e802c76542ea5e4c83ad416bf219f73',),
729
 
                          ('sha1:4ff91971043668583985aec83f4f0ab10a907d3f',),
730
 
                          ('sha1:81e7324507c5ca132eedaf2d8414ee4bb2226187',),
731
 
                          ('sha1:b101b7da280596c71a4540e9a1eeba8045985ee0',)],
732
 
                         simple_chk_records)
733
 
        # Now, when we do a similar call using 'get_stream_for_missing_keys'
734
 
        # we should get a much larger set of pages.
735
 
        missing = [('inventories', 'rev-2')]
736
 
        full_chk_records = []
737
 
        for vf_name, substream in source.get_stream_for_missing_keys(missing):
738
 
            if vf_name == 'inventories':
739
 
                for record in substream:
740
 
                    self.assertEqual(('rev-2',), record.key)
741
 
            elif vf_name == 'chk_bytes':
742
 
                for record in substream:
743
 
                    full_chk_records.append(record.key)
744
 
            else:
745
 
                self.fail('Should not be getting a stream of %s' % (vf_name,))
746
 
        # We have 257 records now. This is because we have 1 root page, and 256
747
 
        # leaf pages in a complete listing.
748
 
        self.assertEqual(257, len(full_chk_records))
749
 
        self.assertSubset(simple_chk_records, full_chk_records)
750
 
 
751
 
    def test_inconsistency_fatal(self):
752
 
        repo = self.make_repository('repo', format='2a')
753
 
        self.assertTrue(repo.revisions._index._inconsistency_fatal)
754
 
        self.assertFalse(repo.texts._index._inconsistency_fatal)
755
 
        self.assertFalse(repo.inventories._index._inconsistency_fatal)
756
 
        self.assertFalse(repo.signatures._index._inconsistency_fatal)
757
 
        self.assertFalse(repo.chk_bytes._index._inconsistency_fatal)
758
 
 
759
 
 
760
 
class TestKnitPackStreamSource(tests.TestCaseWithMemoryTransport):
761
 
 
762
 
    def test_source_to_exact_pack_092(self):
763
 
        source = self.make_repository('source', format='pack-0.92')
764
 
        target = self.make_repository('target', format='pack-0.92')
765
 
        stream_source = source._get_source(target._format)
766
 
        self.assertIsInstance(stream_source, knitpack_repo.KnitPackStreamSource)
767
 
 
768
 
    def test_source_to_exact_pack_rich_root_pack(self):
769
 
        source = self.make_repository('source', format='rich-root-pack')
770
 
        target = self.make_repository('target', format='rich-root-pack')
771
 
        stream_source = source._get_source(target._format)
772
 
        self.assertIsInstance(stream_source, knitpack_repo.KnitPackStreamSource)
773
 
 
774
 
    def test_source_to_exact_pack_19(self):
775
 
        source = self.make_repository('source', format='1.9')
776
 
        target = self.make_repository('target', format='1.9')
777
 
        stream_source = source._get_source(target._format)
778
 
        self.assertIsInstance(stream_source, knitpack_repo.KnitPackStreamSource)
779
 
 
780
 
    def test_source_to_exact_pack_19_rich_root(self):
781
 
        source = self.make_repository('source', format='1.9-rich-root')
782
 
        target = self.make_repository('target', format='1.9-rich-root')
783
 
        stream_source = source._get_source(target._format)
784
 
        self.assertIsInstance(stream_source, knitpack_repo.KnitPackStreamSource)
785
 
 
786
 
    def test_source_to_remote_exact_pack_19(self):
787
 
        trans = self.make_smart_server('target')
788
 
        trans.ensure_base()
789
 
        source = self.make_repository('source', format='1.9')
790
 
        target = self.make_repository('target', format='1.9')
791
 
        target = repository.Repository.open(trans.base)
792
 
        stream_source = source._get_source(target._format)
793
 
        self.assertIsInstance(stream_source, knitpack_repo.KnitPackStreamSource)
794
 
 
795
 
    def test_stream_source_to_non_exact(self):
796
 
        source = self.make_repository('source', format='pack-0.92')
797
 
        target = self.make_repository('target', format='1.9')
798
 
        stream = source._get_source(target._format)
799
 
        self.assertIs(type(stream), vf_repository.StreamSource)
800
 
 
801
 
    def test_stream_source_to_non_exact_rich_root(self):
802
 
        source = self.make_repository('source', format='1.9')
803
 
        target = self.make_repository('target', format='1.9-rich-root')
804
 
        stream = source._get_source(target._format)
805
 
        self.assertIs(type(stream), vf_repository.StreamSource)
806
 
 
807
 
    def test_source_to_remote_non_exact_pack_19(self):
808
 
        trans = self.make_smart_server('target')
809
 
        trans.ensure_base()
810
 
        source = self.make_repository('source', format='1.9')
811
 
        target = self.make_repository('target', format='1.6')
812
 
        target = repository.Repository.open(trans.base)
813
 
        stream_source = source._get_source(target._format)
814
 
        self.assertIs(type(stream_source), vf_repository.StreamSource)
815
 
 
816
 
    def test_stream_source_to_knit(self):
817
 
        source = self.make_repository('source', format='pack-0.92')
818
 
        target = self.make_repository('target', format='dirstate')
819
 
        stream = source._get_source(target._format)
820
 
        self.assertIs(type(stream), vf_repository.StreamSource)
821
 
 
822
 
 
823
 
class TestDevelopment6FindParentIdsOfRevisions(TestCaseWithTransport):
824
 
    """Tests for _find_parent_ids_of_revisions."""
825
 
 
826
 
    def setUp(self):
827
 
        super(TestDevelopment6FindParentIdsOfRevisions, self).setUp()
828
 
        self.builder = self.make_branch_builder('source')
829
 
        self.builder.start_series()
830
 
        self.builder.build_snapshot('initial', None,
831
 
            [('add', ('', 'tree-root', 'directory', None))])
832
 
        self.repo = self.builder.get_branch().repository
833
 
        self.addCleanup(self.builder.finish_series)
834
 
 
835
 
    def assertParentIds(self, expected_result, rev_set):
836
 
        self.assertEqual(sorted(expected_result),
837
 
            sorted(self.repo._find_parent_ids_of_revisions(rev_set)))
838
 
 
839
 
    def test_simple(self):
840
 
        self.builder.build_snapshot('revid1', None, [])
841
 
        self.builder.build_snapshot('revid2', ['revid1'], [])
842
 
        rev_set = ['revid2']
843
 
        self.assertParentIds(['revid1'], rev_set)
844
 
 
845
 
    def test_not_first_parent(self):
846
 
        self.builder.build_snapshot('revid1', None, [])
847
 
        self.builder.build_snapshot('revid2', ['revid1'], [])
848
 
        self.builder.build_snapshot('revid3', ['revid2'], [])
849
 
        rev_set = ['revid3', 'revid2']
850
 
        self.assertParentIds(['revid1'], rev_set)
851
 
 
852
 
    def test_not_null(self):
853
 
        rev_set = ['initial']
854
 
        self.assertParentIds([], rev_set)
855
 
 
856
 
    def test_not_null_set(self):
857
 
        self.builder.build_snapshot('revid1', None, [])
858
 
        rev_set = [_mod_revision.NULL_REVISION]
859
 
        self.assertParentIds([], rev_set)
860
 
 
861
 
    def test_ghost(self):
862
 
        self.builder.build_snapshot('revid1', None, [])
863
 
        rev_set = ['ghost', 'revid1']
864
 
        self.assertParentIds(['initial'], rev_set)
865
 
 
866
 
    def test_ghost_parent(self):
867
 
        self.builder.build_snapshot('revid1', None, [])
868
 
        self.builder.build_snapshot('revid2', ['revid1', 'ghost'], [])
869
 
        rev_set = ['revid2', 'revid1']
870
 
        self.assertParentIds(['ghost', 'initial'], rev_set)
871
 
 
872
 
    def test_righthand_parent(self):
873
 
        self.builder.build_snapshot('revid1', None, [])
874
 
        self.builder.build_snapshot('revid2a', ['revid1'], [])
875
 
        self.builder.build_snapshot('revid2b', ['revid1'], [])
876
 
        self.builder.build_snapshot('revid3', ['revid2a', 'revid2b'], [])
877
 
        rev_set = ['revid3', 'revid2a']
878
 
        self.assertParentIds(['revid1', 'revid2b'], rev_set)
879
 
 
880
 
 
881
 
class TestWithBrokenRepo(TestCaseWithTransport):
882
 
    """These tests seem to be more appropriate as interface tests?"""
883
 
 
884
 
    def make_broken_repository(self):
885
 
        # XXX: This function is borrowed from Aaron's "Reconcile can fix bad
886
 
        # parent references" branch which is due to land in bzr.dev soon.  Once
887
 
        # it does, this duplication should be removed.
888
 
        repo = self.make_repository('broken-repo')
889
 
        cleanups = []
890
 
        try:
891
 
            repo.lock_write()
892
 
            cleanups.append(repo.unlock)
893
 
            repo.start_write_group()
894
 
            cleanups.append(repo.commit_write_group)
895
 
            # make rev1a: A well-formed revision, containing 'file1'
896
 
            inv = inventory.Inventory(revision_id='rev1a')
897
 
            inv.root.revision = 'rev1a'
898
 
            self.add_file(repo, inv, 'file1', 'rev1a', [])
899
 
            repo.texts.add_lines((inv.root.file_id, 'rev1a'), [], [])
900
 
            repo.add_inventory('rev1a', inv, [])
901
 
            revision = _mod_revision.Revision('rev1a',
902
 
                committer='jrandom@example.com', timestamp=0,
903
 
                inventory_sha1='', timezone=0, message='foo', parent_ids=[])
904
 
            repo.add_revision('rev1a', revision, inv)
905
 
 
906
 
            # make rev1b, which has no Revision, but has an Inventory, and
907
 
            # file1
908
 
            inv = inventory.Inventory(revision_id='rev1b')
909
 
            inv.root.revision = 'rev1b'
910
 
            self.add_file(repo, inv, 'file1', 'rev1b', [])
911
 
            repo.add_inventory('rev1b', inv, [])
912
 
 
913
 
            # make rev2, with file1 and file2
914
 
            # file2 is sane
915
 
            # file1 has 'rev1b' as an ancestor, even though this is not
916
 
            # mentioned by 'rev1a', making it an unreferenced ancestor
917
 
            inv = inventory.Inventory()
918
 
            self.add_file(repo, inv, 'file1', 'rev2', ['rev1a', 'rev1b'])
919
 
            self.add_file(repo, inv, 'file2', 'rev2', [])
920
 
            self.add_revision(repo, 'rev2', inv, ['rev1a'])
921
 
 
922
 
            # make ghost revision rev1c
923
 
            inv = inventory.Inventory()
924
 
            self.add_file(repo, inv, 'file2', 'rev1c', [])
925
 
 
926
 
            # make rev3 with file2
927
 
            # file2 refers to 'rev1c', which is a ghost in this repository, so
928
 
            # file2 cannot have rev1c as its ancestor.
929
 
            inv = inventory.Inventory()
930
 
            self.add_file(repo, inv, 'file2', 'rev3', ['rev1c'])
931
 
            self.add_revision(repo, 'rev3', inv, ['rev1c'])
932
 
            return repo
933
 
        finally:
934
 
            for cleanup in reversed(cleanups):
935
 
                cleanup()
936
 
 
937
 
    def add_revision(self, repo, revision_id, inv, parent_ids):
938
 
        inv.revision_id = revision_id
939
 
        inv.root.revision = revision_id
940
 
        repo.texts.add_lines((inv.root.file_id, revision_id), [], [])
941
 
        repo.add_inventory(revision_id, inv, parent_ids)
942
 
        revision = _mod_revision.Revision(revision_id,
943
 
            committer='jrandom@example.com', timestamp=0, inventory_sha1='',
944
 
            timezone=0, message='foo', parent_ids=parent_ids)
945
 
        repo.add_revision(revision_id, revision, inv)
946
 
 
947
 
    def add_file(self, repo, inv, filename, revision, parents):
948
 
        file_id = filename + '-id'
949
 
        entry = inventory.InventoryFile(file_id, filename, 'TREE_ROOT')
950
 
        entry.revision = revision
951
 
        entry.text_size = 0
952
 
        inv.add(entry)
953
 
        text_key = (file_id, revision)
954
 
        parent_keys = [(file_id, parent) for parent in parents]
955
 
        repo.texts.add_lines(text_key, parent_keys, ['line\n'])
956
 
 
957
 
    def test_insert_from_broken_repo(self):
958
 
        """Inserting a data stream from a broken repository won't silently
959
 
        corrupt the target repository.
960
 
        """
961
 
        broken_repo = self.make_broken_repository()
962
 
        empty_repo = self.make_repository('empty-repo')
963
 
        try:
964
 
            empty_repo.fetch(broken_repo)
965
 
        except (errors.RevisionNotPresent, errors.BzrCheckError):
966
 
            # Test successful: compression parent not being copied leads to
967
 
            # error.
968
 
            return
969
 
        empty_repo.lock_read()
970
 
        self.addCleanup(empty_repo.unlock)
971
 
        text = empty_repo.texts.get_record_stream(
972
 
            [('file2-id', 'rev3')], 'topological', True).next()
973
 
        self.assertEqual('line\n', text.get_bytes_as('fulltext'))
974
 
 
975
 
 
976
 
class TestRepositoryPackCollection(TestCaseWithTransport):
977
 
 
978
 
    def get_format(self):
979
 
        return controldir.format_registry.make_bzrdir('pack-0.92')
980
 
 
981
 
    def get_packs(self):
982
 
        format = self.get_format()
983
 
        repo = self.make_repository('.', format=format)
984
 
        return repo._pack_collection
985
 
 
986
 
    def make_packs_and_alt_repo(self, write_lock=False):
987
 
        """Create a pack repo with 3 packs, and access it via a second repo."""
988
 
        tree = self.make_branch_and_tree('.', format=self.get_format())
989
 
        tree.lock_write()
990
 
        self.addCleanup(tree.unlock)
991
 
        rev1 = tree.commit('one')
992
 
        rev2 = tree.commit('two')
993
 
        rev3 = tree.commit('three')
994
 
        r = repository.Repository.open('.')
995
 
        if write_lock:
996
 
            r.lock_write()
997
 
        else:
998
 
            r.lock_read()
999
 
        self.addCleanup(r.unlock)
1000
 
        packs = r._pack_collection
1001
 
        packs.ensure_loaded()
1002
 
        return tree, r, packs, [rev1, rev2, rev3]
1003
 
 
1004
 
    def test__clear_obsolete_packs(self):
1005
 
        packs = self.get_packs()
1006
 
        obsolete_pack_trans = packs.transport.clone('obsolete_packs')
1007
 
        obsolete_pack_trans.put_bytes('a-pack.pack', 'content\n')
1008
 
        obsolete_pack_trans.put_bytes('a-pack.rix', 'content\n')
1009
 
        obsolete_pack_trans.put_bytes('a-pack.iix', 'content\n')
1010
 
        obsolete_pack_trans.put_bytes('another-pack.pack', 'foo\n')
1011
 
        obsolete_pack_trans.put_bytes('not-a-pack.rix', 'foo\n')
1012
 
        res = packs._clear_obsolete_packs()
1013
 
        self.assertEqual(['a-pack', 'another-pack'], sorted(res))
1014
 
        self.assertEqual([], obsolete_pack_trans.list_dir('.'))
1015
 
 
1016
 
    def test__clear_obsolete_packs_preserve(self):
1017
 
        packs = self.get_packs()
1018
 
        obsolete_pack_trans = packs.transport.clone('obsolete_packs')
1019
 
        obsolete_pack_trans.put_bytes('a-pack.pack', 'content\n')
1020
 
        obsolete_pack_trans.put_bytes('a-pack.rix', 'content\n')
1021
 
        obsolete_pack_trans.put_bytes('a-pack.iix', 'content\n')
1022
 
        obsolete_pack_trans.put_bytes('another-pack.pack', 'foo\n')
1023
 
        obsolete_pack_trans.put_bytes('not-a-pack.rix', 'foo\n')
1024
 
        res = packs._clear_obsolete_packs(preserve=set(['a-pack']))
1025
 
        self.assertEqual(['a-pack', 'another-pack'], sorted(res))
1026
 
        self.assertEqual(['a-pack.iix', 'a-pack.pack', 'a-pack.rix'],
1027
 
                         sorted(obsolete_pack_trans.list_dir('.')))
1028
 
 
1029
 
    def test__max_pack_count(self):
1030
 
        """The maximum pack count is a function of the number of revisions."""
1031
 
        # no revisions - one pack, so that we can have a revision free repo
1032
 
        # without it blowing up
1033
 
        packs = self.get_packs()
1034
 
        self.assertEqual(1, packs._max_pack_count(0))
1035
 
        # after that the sum of the digits, - check the first 1-9
1036
 
        self.assertEqual(1, packs._max_pack_count(1))
1037
 
        self.assertEqual(2, packs._max_pack_count(2))
1038
 
        self.assertEqual(3, packs._max_pack_count(3))
1039
 
        self.assertEqual(4, packs._max_pack_count(4))
1040
 
        self.assertEqual(5, packs._max_pack_count(5))
1041
 
        self.assertEqual(6, packs._max_pack_count(6))
1042
 
        self.assertEqual(7, packs._max_pack_count(7))
1043
 
        self.assertEqual(8, packs._max_pack_count(8))
1044
 
        self.assertEqual(9, packs._max_pack_count(9))
1045
 
        # check the boundary cases with two digits for the next decade
1046
 
        self.assertEqual(1, packs._max_pack_count(10))
1047
 
        self.assertEqual(2, packs._max_pack_count(11))
1048
 
        self.assertEqual(10, packs._max_pack_count(19))
1049
 
        self.assertEqual(2, packs._max_pack_count(20))
1050
 
        self.assertEqual(3, packs._max_pack_count(21))
1051
 
        # check some arbitrary big numbers
1052
 
        self.assertEqual(25, packs._max_pack_count(112894))
1053
 
 
1054
 
    def test_repr(self):
1055
 
        packs = self.get_packs()
1056
 
        self.assertContainsRe(repr(packs),
1057
 
            'RepositoryPackCollection(.*Repository(.*))')
1058
 
 
1059
 
    def test__obsolete_packs(self):
1060
 
        tree, r, packs, revs = self.make_packs_and_alt_repo(write_lock=True)
1061
 
        names = packs.names()
1062
 
        pack = packs.get_pack_by_name(names[0])
1063
 
        # Schedule this one for removal
1064
 
        packs._remove_pack_from_memory(pack)
1065
 
        # Simulate a concurrent update by renaming the .pack file and one of
1066
 
        # the indices
1067
 
        packs.transport.rename('packs/%s.pack' % (names[0],),
1068
 
                               'obsolete_packs/%s.pack' % (names[0],))
1069
 
        packs.transport.rename('indices/%s.iix' % (names[0],),
1070
 
                               'obsolete_packs/%s.iix' % (names[0],))
1071
 
        # Now trigger the obsoletion, and ensure that all the remaining files
1072
 
        # are still renamed
1073
 
        packs._obsolete_packs([pack])
1074
 
        self.assertEqual([n + '.pack' for n in names[1:]],
1075
 
                         sorted(packs._pack_transport.list_dir('.')))
1076
 
        # names[0] should not be present in the index anymore
1077
 
        self.assertEqual(names[1:],
1078
 
            sorted(set([osutils.splitext(n)[0] for n in
1079
 
                        packs._index_transport.list_dir('.')])))
1080
 
 
1081
 
    def test__obsolete_packs_missing_directory(self):
1082
 
        tree, r, packs, revs = self.make_packs_and_alt_repo(write_lock=True)
1083
 
        r.control_transport.rmdir('obsolete_packs')
1084
 
        names = packs.names()
1085
 
        pack = packs.get_pack_by_name(names[0])
1086
 
        # Schedule this one for removal
1087
 
        packs._remove_pack_from_memory(pack)
1088
 
        # Now trigger the obsoletion, and ensure that all the remaining files
1089
 
        # are still renamed
1090
 
        packs._obsolete_packs([pack])
1091
 
        self.assertEqual([n + '.pack' for n in names[1:]],
1092
 
                         sorted(packs._pack_transport.list_dir('.')))
1093
 
        # names[0] should not be present in the index anymore
1094
 
        self.assertEqual(names[1:],
1095
 
            sorted(set([osutils.splitext(n)[0] for n in
1096
 
                        packs._index_transport.list_dir('.')])))
1097
 
 
1098
 
    def test_pack_distribution_zero(self):
1099
 
        packs = self.get_packs()
1100
 
        self.assertEqual([0], packs.pack_distribution(0))
1101
 
 
1102
 
    def test_ensure_loaded_unlocked(self):
1103
 
        packs = self.get_packs()
1104
 
        self.assertRaises(errors.ObjectNotLocked,
1105
 
                          packs.ensure_loaded)
1106
 
 
1107
 
    def test_pack_distribution_one_to_nine(self):
1108
 
        packs = self.get_packs()
1109
 
        self.assertEqual([1],
1110
 
            packs.pack_distribution(1))
1111
 
        self.assertEqual([1, 1],
1112
 
            packs.pack_distribution(2))
1113
 
        self.assertEqual([1, 1, 1],
1114
 
            packs.pack_distribution(3))
1115
 
        self.assertEqual([1, 1, 1, 1],
1116
 
            packs.pack_distribution(4))
1117
 
        self.assertEqual([1, 1, 1, 1, 1],
1118
 
            packs.pack_distribution(5))
1119
 
        self.assertEqual([1, 1, 1, 1, 1, 1],
1120
 
            packs.pack_distribution(6))
1121
 
        self.assertEqual([1, 1, 1, 1, 1, 1, 1],
1122
 
            packs.pack_distribution(7))
1123
 
        self.assertEqual([1, 1, 1, 1, 1, 1, 1, 1],
1124
 
            packs.pack_distribution(8))
1125
 
        self.assertEqual([1, 1, 1, 1, 1, 1, 1, 1, 1],
1126
 
            packs.pack_distribution(9))
1127
 
 
1128
 
    def test_pack_distribution_stable_at_boundaries(self):
1129
 
        """When there are multi-rev packs the counts are stable."""
1130
 
        packs = self.get_packs()
1131
 
        # in 10s:
1132
 
        self.assertEqual([10], packs.pack_distribution(10))
1133
 
        self.assertEqual([10, 1], packs.pack_distribution(11))
1134
 
        self.assertEqual([10, 10], packs.pack_distribution(20))
1135
 
        self.assertEqual([10, 10, 1], packs.pack_distribution(21))
1136
 
        # 100s
1137
 
        self.assertEqual([100], packs.pack_distribution(100))
1138
 
        self.assertEqual([100, 1], packs.pack_distribution(101))
1139
 
        self.assertEqual([100, 10, 1], packs.pack_distribution(111))
1140
 
        self.assertEqual([100, 100], packs.pack_distribution(200))
1141
 
        self.assertEqual([100, 100, 1], packs.pack_distribution(201))
1142
 
        self.assertEqual([100, 100, 10, 1], packs.pack_distribution(211))
1143
 
 
1144
 
    def test_plan_pack_operations_2009_revisions_skip_all_packs(self):
1145
 
        packs = self.get_packs()
1146
 
        existing_packs = [(2000, "big"), (9, "medium")]
1147
 
        # rev count - 2009 -> 2x1000 + 9x1
1148
 
        pack_operations = packs.plan_autopack_combinations(
1149
 
            existing_packs, [1000, 1000, 1, 1, 1, 1, 1, 1, 1, 1, 1])
1150
 
        self.assertEqual([], pack_operations)
1151
 
 
1152
 
    def test_plan_pack_operations_2010_revisions_skip_all_packs(self):
1153
 
        packs = self.get_packs()
1154
 
        existing_packs = [(2000, "big"), (9, "medium"), (1, "single")]
1155
 
        # rev count - 2010 -> 2x1000 + 1x10
1156
 
        pack_operations = packs.plan_autopack_combinations(
1157
 
            existing_packs, [1000, 1000, 10])
1158
 
        self.assertEqual([], pack_operations)
1159
 
 
1160
 
    def test_plan_pack_operations_2010_combines_smallest_two(self):
1161
 
        packs = self.get_packs()
1162
 
        existing_packs = [(1999, "big"), (9, "medium"), (1, "single2"),
1163
 
            (1, "single1")]
1164
 
        # rev count - 2010 -> 2x1000 + 1x10 (3)
1165
 
        pack_operations = packs.plan_autopack_combinations(
1166
 
            existing_packs, [1000, 1000, 10])
1167
 
        self.assertEqual([[2, ["single2", "single1"]]], pack_operations)
1168
 
 
1169
 
    def test_plan_pack_operations_creates_a_single_op(self):
1170
 
        packs = self.get_packs()
1171
 
        existing_packs = [(50, 'a'), (40, 'b'), (30, 'c'), (10, 'd'),
1172
 
                          (10, 'e'), (6, 'f'), (4, 'g')]
1173
 
        # rev count 150 -> 1x100 and 5x10
1174
 
        # The two size 10 packs do not need to be touched. The 50, 40, 30 would
1175
 
        # be combined into a single 120 size pack, and the 6 & 4 would
1176
 
        # becombined into a size 10 pack. However, if we have to rewrite them,
1177
 
        # we save a pack file with no increased I/O by putting them into the
1178
 
        # same file.
1179
 
        distribution = packs.pack_distribution(150)
1180
 
        pack_operations = packs.plan_autopack_combinations(existing_packs,
1181
 
                                                           distribution)
1182
 
        self.assertEqual([[130, ['a', 'b', 'c', 'f', 'g']]], pack_operations)
1183
 
 
1184
 
    def test_all_packs_none(self):
1185
 
        format = self.get_format()
1186
 
        tree = self.make_branch_and_tree('.', format=format)
1187
 
        tree.lock_read()
1188
 
        self.addCleanup(tree.unlock)
1189
 
        packs = tree.branch.repository._pack_collection
1190
 
        packs.ensure_loaded()
1191
 
        self.assertEqual([], packs.all_packs())
1192
 
 
1193
 
    def test_all_packs_one(self):
1194
 
        format = self.get_format()
1195
 
        tree = self.make_branch_and_tree('.', format=format)
1196
 
        tree.commit('start')
1197
 
        tree.lock_read()
1198
 
        self.addCleanup(tree.unlock)
1199
 
        packs = tree.branch.repository._pack_collection
1200
 
        packs.ensure_loaded()
1201
 
        self.assertEqual([
1202
 
            packs.get_pack_by_name(packs.names()[0])],
1203
 
            packs.all_packs())
1204
 
 
1205
 
    def test_all_packs_two(self):
1206
 
        format = self.get_format()
1207
 
        tree = self.make_branch_and_tree('.', format=format)
1208
 
        tree.commit('start')
1209
 
        tree.commit('continue')
1210
 
        tree.lock_read()
1211
 
        self.addCleanup(tree.unlock)
1212
 
        packs = tree.branch.repository._pack_collection
1213
 
        packs.ensure_loaded()
1214
 
        self.assertEqual([
1215
 
            packs.get_pack_by_name(packs.names()[0]),
1216
 
            packs.get_pack_by_name(packs.names()[1]),
1217
 
            ], packs.all_packs())
1218
 
 
1219
 
    def test_get_pack_by_name(self):
1220
 
        format = self.get_format()
1221
 
        tree = self.make_branch_and_tree('.', format=format)
1222
 
        tree.commit('start')
1223
 
        tree.lock_read()
1224
 
        self.addCleanup(tree.unlock)
1225
 
        packs = tree.branch.repository._pack_collection
1226
 
        packs.reset()
1227
 
        packs.ensure_loaded()
1228
 
        name = packs.names()[0]
1229
 
        pack_1 = packs.get_pack_by_name(name)
1230
 
        # the pack should be correctly initialised
1231
 
        sizes = packs._names[name]
1232
 
        rev_index = GraphIndex(packs._index_transport, name + '.rix', sizes[0])
1233
 
        inv_index = GraphIndex(packs._index_transport, name + '.iix', sizes[1])
1234
 
        txt_index = GraphIndex(packs._index_transport, name + '.tix', sizes[2])
1235
 
        sig_index = GraphIndex(packs._index_transport, name + '.six', sizes[3])
1236
 
        self.assertEqual(pack_repo.ExistingPack(packs._pack_transport,
1237
 
            name, rev_index, inv_index, txt_index, sig_index), pack_1)
1238
 
        # and the same instance should be returned on successive calls.
1239
 
        self.assertTrue(pack_1 is packs.get_pack_by_name(name))
1240
 
 
1241
 
    def test_reload_pack_names_new_entry(self):
1242
 
        tree, r, packs, revs = self.make_packs_and_alt_repo()
1243
 
        names = packs.names()
1244
 
        # Add a new pack file into the repository
1245
 
        rev4 = tree.commit('four')
1246
 
        new_names = tree.branch.repository._pack_collection.names()
1247
 
        new_name = set(new_names).difference(names)
1248
 
        self.assertEqual(1, len(new_name))
1249
 
        new_name = new_name.pop()
1250
 
        # The old collection hasn't noticed yet
1251
 
        self.assertEqual(names, packs.names())
1252
 
        self.assertTrue(packs.reload_pack_names())
1253
 
        self.assertEqual(new_names, packs.names())
1254
 
        # And the repository can access the new revision
1255
 
        self.assertEqual({rev4:(revs[-1],)}, r.get_parent_map([rev4]))
1256
 
        self.assertFalse(packs.reload_pack_names())
1257
 
 
1258
 
    def test_reload_pack_names_added_and_removed(self):
1259
 
        tree, r, packs, revs = self.make_packs_and_alt_repo()
1260
 
        names = packs.names()
1261
 
        # Now repack the whole thing
1262
 
        tree.branch.repository.pack()
1263
 
        new_names = tree.branch.repository._pack_collection.names()
1264
 
        # The other collection hasn't noticed yet
1265
 
        self.assertEqual(names, packs.names())
1266
 
        self.assertTrue(packs.reload_pack_names())
1267
 
        self.assertEqual(new_names, packs.names())
1268
 
        self.assertEqual({revs[-1]:(revs[-2],)}, r.get_parent_map([revs[-1]]))
1269
 
        self.assertFalse(packs.reload_pack_names())
1270
 
 
1271
 
    def test_reload_pack_names_preserves_pending(self):
1272
 
        # TODO: Update this to also test for pending-deleted names
1273
 
        tree, r, packs, revs = self.make_packs_and_alt_repo(write_lock=True)
1274
 
        # We will add one pack (via start_write_group + insert_record_stream),
1275
 
        # and remove another pack (via _remove_pack_from_memory)
1276
 
        orig_names = packs.names()
1277
 
        orig_at_load = packs._packs_at_load
1278
 
        to_remove_name = iter(orig_names).next()
1279
 
        r.start_write_group()
1280
 
        self.addCleanup(r.abort_write_group)
1281
 
        r.texts.insert_record_stream([versionedfile.FulltextContentFactory(
1282
 
            ('text', 'rev'), (), None, 'content\n')])
1283
 
        new_pack = packs._new_pack
1284
 
        self.assertTrue(new_pack.data_inserted())
1285
 
        new_pack.finish()
1286
 
        packs.allocate(new_pack)
1287
 
        packs._new_pack = None
1288
 
        removed_pack = packs.get_pack_by_name(to_remove_name)
1289
 
        packs._remove_pack_from_memory(removed_pack)
1290
 
        names = packs.names()
1291
 
        all_nodes, deleted_nodes, new_nodes, _ = packs._diff_pack_names()
1292
 
        new_names = set([x[0][0] for x in new_nodes])
1293
 
        self.assertEqual(names, sorted([x[0][0] for x in all_nodes]))
1294
 
        self.assertEqual(set(names) - set(orig_names), new_names)
1295
 
        self.assertEqual(set([new_pack.name]), new_names)
1296
 
        self.assertEqual([to_remove_name],
1297
 
                         sorted([x[0][0] for x in deleted_nodes]))
1298
 
        packs.reload_pack_names()
1299
 
        reloaded_names = packs.names()
1300
 
        self.assertEqual(orig_at_load, packs._packs_at_load)
1301
 
        self.assertEqual(names, reloaded_names)
1302
 
        all_nodes, deleted_nodes, new_nodes, _ = packs._diff_pack_names()
1303
 
        new_names = set([x[0][0] for x in new_nodes])
1304
 
        self.assertEqual(names, sorted([x[0][0] for x in all_nodes]))
1305
 
        self.assertEqual(set(names) - set(orig_names), new_names)
1306
 
        self.assertEqual(set([new_pack.name]), new_names)
1307
 
        self.assertEqual([to_remove_name],
1308
 
                         sorted([x[0][0] for x in deleted_nodes]))
1309
 
 
1310
 
    def test_autopack_obsoletes_new_pack(self):
1311
 
        tree, r, packs, revs = self.make_packs_and_alt_repo(write_lock=True)
1312
 
        packs._max_pack_count = lambda x: 1
1313
 
        packs.pack_distribution = lambda x: [10]
1314
 
        r.start_write_group()
1315
 
        r.revisions.insert_record_stream([versionedfile.FulltextContentFactory(
1316
 
            ('bogus-rev',), (), None, 'bogus-content\n')])
1317
 
        # This should trigger an autopack, which will combine everything into a
1318
 
        # single pack file.
1319
 
        new_names = r.commit_write_group()
1320
 
        names = packs.names()
1321
 
        self.assertEqual(1, len(names))
1322
 
        self.assertEqual([names[0] + '.pack'],
1323
 
                         packs._pack_transport.list_dir('.'))
1324
 
 
1325
 
    def test_autopack_reloads_and_stops(self):
1326
 
        tree, r, packs, revs = self.make_packs_and_alt_repo(write_lock=True)
1327
 
        # After we have determined what needs to be autopacked, trigger a
1328
 
        # full-pack via the other repo which will cause us to re-evaluate and
1329
 
        # decide we don't need to do anything
1330
 
        orig_execute = packs._execute_pack_operations
1331
 
        def _munged_execute_pack_ops(*args, **kwargs):
1332
 
            tree.branch.repository.pack()
1333
 
            return orig_execute(*args, **kwargs)
1334
 
        packs._execute_pack_operations = _munged_execute_pack_ops
1335
 
        packs._max_pack_count = lambda x: 1
1336
 
        packs.pack_distribution = lambda x: [10]
1337
 
        self.assertFalse(packs.autopack())
1338
 
        self.assertEqual(1, len(packs.names()))
1339
 
        self.assertEqual(tree.branch.repository._pack_collection.names(),
1340
 
                         packs.names())
1341
 
 
1342
 
    def test__save_pack_names(self):
1343
 
        tree, r, packs, revs = self.make_packs_and_alt_repo(write_lock=True)
1344
 
        names = packs.names()
1345
 
        pack = packs.get_pack_by_name(names[0])
1346
 
        packs._remove_pack_from_memory(pack)
1347
 
        packs._save_pack_names(obsolete_packs=[pack])
1348
 
        cur_packs = packs._pack_transport.list_dir('.')
1349
 
        self.assertEqual([n + '.pack' for n in names[1:]], sorted(cur_packs))
1350
 
        # obsolete_packs will also have stuff like .rix and .iix present.
1351
 
        obsolete_packs = packs.transport.list_dir('obsolete_packs')
1352
 
        obsolete_names = set([osutils.splitext(n)[0] for n in obsolete_packs])
1353
 
        self.assertEqual([pack.name], sorted(obsolete_names))
1354
 
 
1355
 
    def test__save_pack_names_already_obsoleted(self):
1356
 
        tree, r, packs, revs = self.make_packs_and_alt_repo(write_lock=True)
1357
 
        names = packs.names()
1358
 
        pack = packs.get_pack_by_name(names[0])
1359
 
        packs._remove_pack_from_memory(pack)
1360
 
        # We are going to simulate a concurrent autopack by manually obsoleting
1361
 
        # the pack directly.
1362
 
        packs._obsolete_packs([pack])
1363
 
        packs._save_pack_names(clear_obsolete_packs=True,
1364
 
                               obsolete_packs=[pack])
1365
 
        cur_packs = packs._pack_transport.list_dir('.')
1366
 
        self.assertEqual([n + '.pack' for n in names[1:]], sorted(cur_packs))
1367
 
        # Note that while we set clear_obsolete_packs=True, it should not
1368
 
        # delete a pack file that we have also scheduled for obsoletion.
1369
 
        obsolete_packs = packs.transport.list_dir('obsolete_packs')
1370
 
        obsolete_names = set([osutils.splitext(n)[0] for n in obsolete_packs])
1371
 
        self.assertEqual([pack.name], sorted(obsolete_names))
1372
 
 
1373
 
    def test_pack_no_obsolete_packs_directory(self):
1374
 
        """Bug #314314, don't fail if obsolete_packs directory does
1375
 
        not exist."""
1376
 
        tree, r, packs, revs = self.make_packs_and_alt_repo(write_lock=True)
1377
 
        r.control_transport.rmdir('obsolete_packs')
1378
 
        packs._clear_obsolete_packs()
1379
 
 
1380
 
 
1381
 
class TestPack(TestCaseWithTransport):
1382
 
    """Tests for the Pack object."""
1383
 
 
1384
 
    def assertCurrentlyEqual(self, left, right):
1385
 
        self.assertTrue(left == right)
1386
 
        self.assertTrue(right == left)
1387
 
        self.assertFalse(left != right)
1388
 
        self.assertFalse(right != left)
1389
 
 
1390
 
    def assertCurrentlyNotEqual(self, left, right):
1391
 
        self.assertFalse(left == right)
1392
 
        self.assertFalse(right == left)
1393
 
        self.assertTrue(left != right)
1394
 
        self.assertTrue(right != left)
1395
 
 
1396
 
    def test___eq____ne__(self):
1397
 
        left = pack_repo.ExistingPack('', '', '', '', '', '')
1398
 
        right = pack_repo.ExistingPack('', '', '', '', '', '')
1399
 
        self.assertCurrentlyEqual(left, right)
1400
 
        # change all attributes and ensure equality changes as we do.
1401
 
        left.revision_index = 'a'
1402
 
        self.assertCurrentlyNotEqual(left, right)
1403
 
        right.revision_index = 'a'
1404
 
        self.assertCurrentlyEqual(left, right)
1405
 
        left.inventory_index = 'a'
1406
 
        self.assertCurrentlyNotEqual(left, right)
1407
 
        right.inventory_index = 'a'
1408
 
        self.assertCurrentlyEqual(left, right)
1409
 
        left.text_index = 'a'
1410
 
        self.assertCurrentlyNotEqual(left, right)
1411
 
        right.text_index = 'a'
1412
 
        self.assertCurrentlyEqual(left, right)
1413
 
        left.signature_index = 'a'
1414
 
        self.assertCurrentlyNotEqual(left, right)
1415
 
        right.signature_index = 'a'
1416
 
        self.assertCurrentlyEqual(left, right)
1417
 
        left.name = 'a'
1418
 
        self.assertCurrentlyNotEqual(left, right)
1419
 
        right.name = 'a'
1420
 
        self.assertCurrentlyEqual(left, right)
1421
 
        left.transport = 'a'
1422
 
        self.assertCurrentlyNotEqual(left, right)
1423
 
        right.transport = 'a'
1424
 
        self.assertCurrentlyEqual(left, right)
1425
 
 
1426
 
    def test_file_name(self):
1427
 
        pack = pack_repo.ExistingPack('', 'a_name', '', '', '', '')
1428
 
        self.assertEqual('a_name.pack', pack.file_name())
1429
 
 
1430
 
 
1431
 
class TestNewPack(TestCaseWithTransport):
1432
 
    """Tests for pack_repo.NewPack."""
1433
 
 
1434
 
    def test_new_instance_attributes(self):
1435
 
        upload_transport = self.get_transport('upload')
1436
 
        pack_transport = self.get_transport('pack')
1437
 
        index_transport = self.get_transport('index')
1438
 
        upload_transport.mkdir('.')
1439
 
        collection = pack_repo.RepositoryPackCollection(
1440
 
            repo=None,
1441
 
            transport=self.get_transport('.'),
1442
 
            index_transport=index_transport,
1443
 
            upload_transport=upload_transport,
1444
 
            pack_transport=pack_transport,
1445
 
            index_builder_class=BTreeBuilder,
1446
 
            index_class=BTreeGraphIndex,
1447
 
            use_chk_index=False)
1448
 
        pack = pack_repo.NewPack(collection)
1449
 
        self.addCleanup(pack.abort) # Make sure the write stream gets closed
1450
 
        self.assertIsInstance(pack.revision_index, BTreeBuilder)
1451
 
        self.assertIsInstance(pack.inventory_index, BTreeBuilder)
1452
 
        self.assertIsInstance(pack._hash, type(osutils.md5()))
1453
 
        self.assertTrue(pack.upload_transport is upload_transport)
1454
 
        self.assertTrue(pack.index_transport is index_transport)
1455
 
        self.assertTrue(pack.pack_transport is pack_transport)
1456
 
        self.assertEqual(None, pack.index_sizes)
1457
 
        self.assertEqual(20, len(pack.random_name))
1458
 
        self.assertIsInstance(pack.random_name, str)
1459
 
        self.assertIsInstance(pack.start_time, float)
1460
 
 
1461
 
 
1462
 
class TestPacker(TestCaseWithTransport):
1463
 
    """Tests for the packs repository Packer class."""
1464
 
 
1465
 
    def test_pack_optimizes_pack_order(self):
1466
 
        builder = self.make_branch_builder('.', format="1.9")
1467
 
        builder.start_series()
1468
 
        builder.build_snapshot('A', None, [
1469
 
            ('add', ('', 'root-id', 'directory', None)),
1470
 
            ('add', ('f', 'f-id', 'file', 'content\n'))])
1471
 
        builder.build_snapshot('B', ['A'],
1472
 
            [('modify', ('f-id', 'new-content\n'))])
1473
 
        builder.build_snapshot('C', ['B'],
1474
 
            [('modify', ('f-id', 'third-content\n'))])
1475
 
        builder.build_snapshot('D', ['C'],
1476
 
            [('modify', ('f-id', 'fourth-content\n'))])
1477
 
        b = builder.get_branch()
1478
 
        b.lock_read()
1479
 
        builder.finish_series()
1480
 
        self.addCleanup(b.unlock)
1481
 
        # At this point, we should have 4 pack files available
1482
 
        # Because of how they were built, they correspond to
1483
 
        # ['D', 'C', 'B', 'A']
1484
 
        packs = b.repository._pack_collection.packs
1485
 
        packer = knitpack_repo.KnitPacker(b.repository._pack_collection,
1486
 
                                  packs, 'testing',
1487
 
                                  revision_ids=['B', 'C'])
1488
 
        # Now, when we are copying the B & C revisions, their pack files should
1489
 
        # be moved to the front of the stack
1490
 
        # The new ordering moves B & C to the front of the .packs attribute,
1491
 
        # and leaves the others in the original order.
1492
 
        new_packs = [packs[1], packs[2], packs[0], packs[3]]
1493
 
        new_pack = packer.pack()
1494
 
        self.assertEqual(new_packs, packer.packs)
1495
 
 
1496
 
 
1497
 
class TestOptimisingPacker(TestCaseWithTransport):
1498
 
    """Tests for the OptimisingPacker class."""
1499
 
 
1500
 
    def get_pack_collection(self):
1501
 
        repo = self.make_repository('.')
1502
 
        return repo._pack_collection
1503
 
 
1504
 
    def test_open_pack_will_optimise(self):
1505
 
        packer = knitpack_repo.OptimisingKnitPacker(self.get_pack_collection(),
1506
 
                                            [], '.test')
1507
 
        new_pack = packer.open_pack()
1508
 
        self.addCleanup(new_pack.abort) # ensure cleanup
1509
 
        self.assertIsInstance(new_pack, pack_repo.NewPack)
1510
 
        self.assertTrue(new_pack.revision_index._optimize_for_size)
1511
 
        self.assertTrue(new_pack.inventory_index._optimize_for_size)
1512
 
        self.assertTrue(new_pack.text_index._optimize_for_size)
1513
 
        self.assertTrue(new_pack.signature_index._optimize_for_size)
1514
 
 
1515
 
 
1516
 
class TestGCCHKPacker(TestCaseWithTransport):
1517
 
 
1518
 
    def make_abc_branch(self):
1519
 
        builder = self.make_branch_builder('source')
1520
 
        builder.start_series()
1521
 
        builder.build_snapshot('A', None, [
1522
 
            ('add', ('', 'root-id', 'directory', None)),
1523
 
            ('add', ('file', 'file-id', 'file', 'content\n')),
1524
 
            ])
1525
 
        builder.build_snapshot('B', ['A'], [
1526
 
            ('add', ('dir', 'dir-id', 'directory', None))])
1527
 
        builder.build_snapshot('C', ['B'], [
1528
 
            ('modify', ('file-id', 'new content\n'))])
1529
 
        builder.finish_series()
1530
 
        return builder.get_branch()
1531
 
 
1532
 
    def make_branch_with_disjoint_inventory_and_revision(self):
1533
 
        """a repo with separate packs for a revisions Revision and Inventory.
1534
 
 
1535
 
        There will be one pack file that holds the Revision content, and one
1536
 
        for the Inventory content.
1537
 
 
1538
 
        :return: (repository,
1539
 
                  pack_name_with_rev_A_Revision,
1540
 
                  pack_name_with_rev_A_Inventory,
1541
 
                  pack_name_with_rev_C_content)
1542
 
        """
1543
 
        b_source = self.make_abc_branch()
1544
 
        b_base = b_source.bzrdir.sprout('base', revision_id='A').open_branch()
1545
 
        b_stacked = b_base.bzrdir.sprout('stacked', stacked=True).open_branch()
1546
 
        b_stacked.lock_write()
1547
 
        self.addCleanup(b_stacked.unlock)
1548
 
        b_stacked.fetch(b_source, 'B')
1549
 
        # Now re-open the stacked repo directly (no fallbacks) so that we can
1550
 
        # fill in the A rev.
1551
 
        repo_not_stacked = b_stacked.bzrdir.open_repository()
1552
 
        repo_not_stacked.lock_write()
1553
 
        self.addCleanup(repo_not_stacked.unlock)
1554
 
        # Now we should have a pack file with A's inventory, but not its
1555
 
        # Revision
1556
 
        self.assertEqual([('A',), ('B',)],
1557
 
                         sorted(repo_not_stacked.inventories.keys()))
1558
 
        self.assertEqual([('B',)],
1559
 
                         sorted(repo_not_stacked.revisions.keys()))
1560
 
        stacked_pack_names = repo_not_stacked._pack_collection.names()
1561
 
        # We have a couple names here, figure out which has A's inventory
1562
 
        for name in stacked_pack_names:
1563
 
            pack = repo_not_stacked._pack_collection.get_pack_by_name(name)
1564
 
            keys = [n[1] for n in pack.inventory_index.iter_all_entries()]
1565
 
            if ('A',) in keys:
1566
 
                inv_a_pack_name = name
1567
 
                break
1568
 
        else:
1569
 
            self.fail('Could not find pack containing A\'s inventory')
1570
 
        repo_not_stacked.fetch(b_source.repository, 'A')
1571
 
        self.assertEqual([('A',), ('B',)],
1572
 
                         sorted(repo_not_stacked.revisions.keys()))
1573
 
        new_pack_names = set(repo_not_stacked._pack_collection.names())
1574
 
        rev_a_pack_names = new_pack_names.difference(stacked_pack_names)
1575
 
        self.assertEqual(1, len(rev_a_pack_names))
1576
 
        rev_a_pack_name = list(rev_a_pack_names)[0]
1577
 
        # Now fetch 'C', so we have a couple pack files to join
1578
 
        repo_not_stacked.fetch(b_source.repository, 'C')
1579
 
        rev_c_pack_names = set(repo_not_stacked._pack_collection.names())
1580
 
        rev_c_pack_names = rev_c_pack_names.difference(new_pack_names)
1581
 
        self.assertEqual(1, len(rev_c_pack_names))
1582
 
        rev_c_pack_name = list(rev_c_pack_names)[0]
1583
 
        return (repo_not_stacked, rev_a_pack_name, inv_a_pack_name,
1584
 
                rev_c_pack_name)
1585
 
 
1586
 
    def test_pack_with_distant_inventories(self):
1587
 
        # See https://bugs.launchpad.net/bzr/+bug/437003
1588
 
        # When repacking, it is possible to have an inventory in a different
1589
 
        # pack file than the associated revision. An autopack can then come
1590
 
        # along, and miss that inventory, and complain.
1591
 
        (repo, rev_a_pack_name, inv_a_pack_name, rev_c_pack_name
1592
 
         ) = self.make_branch_with_disjoint_inventory_and_revision()
1593
 
        a_pack = repo._pack_collection.get_pack_by_name(rev_a_pack_name)
1594
 
        c_pack = repo._pack_collection.get_pack_by_name(rev_c_pack_name)
1595
 
        packer = groupcompress_repo.GCCHKPacker(repo._pack_collection,
1596
 
                    [a_pack, c_pack], '.test-pack')
1597
 
        # This would raise ValueError in bug #437003, but should not raise an
1598
 
        # error once fixed.
1599
 
        packer.pack()
1600
 
 
1601
 
    def test_pack_with_missing_inventory(self):
1602
 
        # Similar to test_pack_with_missing_inventory, but this time, we force
1603
 
        # the A inventory to actually be gone from the repository.
1604
 
        (repo, rev_a_pack_name, inv_a_pack_name, rev_c_pack_name
1605
 
         ) = self.make_branch_with_disjoint_inventory_and_revision()
1606
 
        inv_a_pack = repo._pack_collection.get_pack_by_name(inv_a_pack_name)
1607
 
        repo._pack_collection._remove_pack_from_memory(inv_a_pack)
1608
 
        packer = groupcompress_repo.GCCHKPacker(repo._pack_collection,
1609
 
            repo._pack_collection.all_packs(), '.test-pack')
1610
 
        e = self.assertRaises(ValueError, packer.pack)
1611
 
        packer.new_pack.abort()
1612
 
        self.assertContainsRe(str(e),
1613
 
            r"We are missing inventories for revisions: .*'A'")
1614
 
 
1615
 
 
1616
 
class TestCrossFormatPacks(TestCaseWithTransport):
1617
 
 
1618
 
    def log_pack(self, hint=None):
1619
 
        self.calls.append(('pack', hint))
1620
 
        self.orig_pack(hint=hint)
1621
 
        if self.expect_hint:
1622
 
            self.assertTrue(hint)
1623
 
 
1624
 
    def run_stream(self, src_fmt, target_fmt, expect_pack_called):
1625
 
        self.expect_hint = expect_pack_called
1626
 
        self.calls = []
1627
 
        source_tree = self.make_branch_and_tree('src', format=src_fmt)
1628
 
        source_tree.lock_write()
1629
 
        self.addCleanup(source_tree.unlock)
1630
 
        tip = source_tree.commit('foo')
1631
 
        target = self.make_repository('target', format=target_fmt)
1632
 
        target.lock_write()
1633
 
        self.addCleanup(target.unlock)
1634
 
        source = source_tree.branch.repository._get_source(target._format)
1635
 
        self.orig_pack = target.pack
1636
 
        self.overrideAttr(target, "pack", self.log_pack)
1637
 
        search = target.search_missing_revision_ids(
1638
 
            source_tree.branch.repository, revision_ids=[tip])
1639
 
        stream = source.get_stream(search)
1640
 
        from_format = source_tree.branch.repository._format
1641
 
        sink = target._get_sink()
1642
 
        sink.insert_stream(stream, from_format, [])
1643
 
        if expect_pack_called:
1644
 
            self.assertLength(1, self.calls)
1645
 
        else:
1646
 
            self.assertLength(0, self.calls)
1647
 
 
1648
 
    def run_fetch(self, src_fmt, target_fmt, expect_pack_called):
1649
 
        self.expect_hint = expect_pack_called
1650
 
        self.calls = []
1651
 
        source_tree = self.make_branch_and_tree('src', format=src_fmt)
1652
 
        source_tree.lock_write()
1653
 
        self.addCleanup(source_tree.unlock)
1654
 
        tip = source_tree.commit('foo')
1655
 
        target = self.make_repository('target', format=target_fmt)
1656
 
        target.lock_write()
1657
 
        self.addCleanup(target.unlock)
1658
 
        source = source_tree.branch.repository
1659
 
        self.orig_pack = target.pack
1660
 
        self.overrideAttr(target, "pack", self.log_pack)
1661
 
        target.fetch(source)
1662
 
        if expect_pack_called:
1663
 
            self.assertLength(1, self.calls)
1664
 
        else:
1665
 
            self.assertLength(0, self.calls)
1666
 
 
1667
 
    def test_sink_format_hint_no(self):
1668
 
        # When the target format says packing makes no difference, pack is not
1669
 
        # called.
1670
 
        self.run_stream('1.9', 'rich-root-pack', False)
1671
 
 
1672
 
    def test_sink_format_hint_yes(self):
1673
 
        # When the target format says packing makes a difference, pack is
1674
 
        # called.
1675
 
        self.run_stream('1.9', '2a', True)
1676
 
 
1677
 
    def test_sink_format_same_no(self):
1678
 
        # When the formats are the same, pack is not called.
1679
 
        self.run_stream('2a', '2a', False)
1680
 
 
1681
 
    def test_IDS_format_hint_no(self):
1682
 
        # When the target format says packing makes no difference, pack is not
1683
 
        # called.
1684
 
        self.run_fetch('1.9', 'rich-root-pack', False)
1685
 
 
1686
 
    def test_IDS_format_hint_yes(self):
1687
 
        # When the target format says packing makes a difference, pack is
1688
 
        # called.
1689
 
        self.run_fetch('1.9', '2a', True)
1690
 
 
1691
 
    def test_IDS_format_same_no(self):
1692
 
        # When the formats are the same, pack is not called.
1693
 
        self.run_fetch('2a', '2a', False)
1694
 
 
1695
 
 
1696
 
class Test_LazyListJoin(tests.TestCase):
1697
 
 
1698
 
    def test__repr__(self):
1699
 
        lazy = repository._LazyListJoin(['a'], ['b'])
1700
 
        self.assertEqual("bzrlib.repository._LazyListJoin((['a'], ['b']))",
1701
 
                         repr(lazy))
1702
 
 
1703
 
 
1704
 
class TestFeatures(tests.TestCaseWithTransport):
1705
 
 
1706
 
    def test_open_with_present_feature(self):
1707
 
        self.addCleanup(
1708
 
            repository.RepositoryFormatMetaDir.unregister_feature,
1709
 
            "makes-cheese-sandwich")
1710
 
        repository.RepositoryFormatMetaDir.register_feature(
1711
 
            "makes-cheese-sandwich")
1712
 
        repo = self.make_repository('.')
1713
 
        repo.lock_write()
1714
 
        repo._format.features["makes-cheese-sandwich"] = "required"
1715
 
        repo._format.check_support_status(False)
1716
 
        repo.unlock()
1717
 
 
1718
 
    def test_open_with_missing_required_feature(self):
1719
 
        repo = self.make_repository('.')
1720
 
        repo.lock_write()
1721
 
        repo._format.features["makes-cheese-sandwich"] = "required"
1722
 
        self.assertRaises(errors.MissingFeature,
1723
 
            repo._format.check_support_status, False)