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  • Committer: Alexander Belchenko
  • Date: 2007-11-02 08:45:10 UTC
  • mto: This revision was merged to the branch mainline in revision 2968.
  • Revision ID: bialix@ukr.net-20071102084510-ngqdd24hjhfdkgw3
start 0.93 development cycle; deprecate osutils.backup_file

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# Copyright (C) 2006-2010 Canonical Ltd
 
1
# Copyright (C) 2006, 2007 Canonical Ltd
2
2
#
3
3
# This program is free software; you can redistribute it and/or modify
4
4
# it under the terms of the GNU General Public License as published by
12
12
#
13
13
# You should have received a copy of the GNU General Public License
14
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
 
15
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
16
16
 
17
17
"""Tests for the Repository facility that are not interface tests.
18
18
 
19
 
For interface tests see tests/per_repository/*.py.
 
19
For interface tests see tests/repository_implementations/*.py.
20
20
 
21
21
For concrete class tests see this file, and for storage formats tests
22
22
also see this file.
23
23
"""
24
24
 
 
25
import md5
25
26
from stat import S_ISDIR
26
 
import sys
 
27
from StringIO import StringIO
27
28
 
28
29
import bzrlib
29
 
from bzrlib.errors import (NoSuchFile,
 
30
from bzrlib.errors import (NotBranchError,
 
31
                           NoSuchFile,
30
32
                           UnknownFormatError,
31
33
                           UnsupportedFormatError,
32
34
                           )
33
 
from bzrlib import (
34
 
    graph,
35
 
    tests,
36
 
    )
37
 
from bzrlib.btree_index import BTreeBuilder, BTreeGraphIndex
38
 
from bzrlib.index import GraphIndex
 
35
from bzrlib.index import GraphIndex, InMemoryGraphIndex
39
36
from bzrlib.repository import RepositoryFormat
 
37
from bzrlib.smart import server
40
38
from bzrlib.tests import (
41
39
    TestCase,
42
40
    TestCaseWithTransport,
43
 
    )
44
 
from bzrlib.transport import (
45
 
    get_transport,
46
 
    )
 
41
    test_knit,
 
42
    )
 
43
from bzrlib.transport import get_transport
 
44
from bzrlib.transport.memory import MemoryServer
 
45
from bzrlib.util import bencode
47
46
from bzrlib import (
48
47
    bzrdir,
49
48
    errors,
50
49
    inventory,
51
 
    osutils,
52
50
    repository,
53
51
    revision as _mod_revision,
 
52
    symbol_versioning,
54
53
    upgrade,
55
 
    versionedfile,
56
54
    workingtree,
57
55
    )
58
 
from bzrlib.repofmt import (
59
 
    groupcompress_repo,
60
 
    knitrepo,
61
 
    pack_repo,
62
 
    weaverepo,
63
 
    )
 
56
from bzrlib.repofmt import knitrepo, weaverepo, pack_repo
64
57
 
65
58
 
66
59
class TestDefaultFormat(TestCase):
95
88
class SampleRepositoryFormat(repository.RepositoryFormat):
96
89
    """A sample format
97
90
 
98
 
    this format is initializable, unsupported to aid in testing the
 
91
    this format is initializable, unsupported to aid in testing the 
99
92
    open and open(unsupported=True) routines.
100
93
    """
101
94
 
122
115
    def test_find_format(self):
123
116
        # is the right format object found for a repository?
124
117
        # create a branch with a few known format objects.
125
 
        # this is not quite the same as
 
118
        # this is not quite the same as 
126
119
        self.build_tree(["foo/", "bar/"])
127
120
        def check_format(format, url):
128
121
            dir = format._matchingbzrdir.initialize(url)
131
124
            found_format = repository.RepositoryFormat.find_format(dir)
132
125
            self.failUnless(isinstance(found_format, format.__class__))
133
126
        check_format(weaverepo.RepositoryFormat7(), "bar")
134
 
 
 
127
        
135
128
    def test_find_format_no_repository(self):
136
129
        dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
137
130
        self.assertRaises(errors.NoRepositoryPresent,
163
156
 
164
157
class TestFormat6(TestCaseWithTransport):
165
158
 
166
 
    def test_attribute__fetch_order(self):
167
 
        """Weaves need topological data insertion."""
168
 
        control = bzrdir.BzrDirFormat6().initialize(self.get_url())
169
 
        repo = weaverepo.RepositoryFormat6().initialize(control)
170
 
        self.assertEqual('topological', repo._format._fetch_order)
171
 
 
172
 
    def test_attribute__fetch_uses_deltas(self):
173
 
        """Weaves do not reuse deltas."""
174
 
        control = bzrdir.BzrDirFormat6().initialize(self.get_url())
175
 
        repo = weaverepo.RepositoryFormat6().initialize(control)
176
 
        self.assertEqual(False, repo._format._fetch_uses_deltas)
177
 
 
178
 
    def test_attribute__fetch_reconcile(self):
179
 
        """Weave repositories need a reconcile after fetch."""
180
 
        control = bzrdir.BzrDirFormat6().initialize(self.get_url())
181
 
        repo = weaverepo.RepositoryFormat6().initialize(control)
182
 
        self.assertEqual(True, repo._format._fetch_reconcile)
183
 
 
184
159
    def test_no_ancestry_weave(self):
185
160
        control = bzrdir.BzrDirFormat6().initialize(self.get_url())
186
161
        repo = weaverepo.RepositoryFormat6().initialize(control)
190
165
                          control.transport.get,
191
166
                          'ancestry.weave')
192
167
 
193
 
    def test_supports_external_lookups(self):
 
168
    def test_exposed_versioned_files_are_marked_dirty(self):
194
169
        control = bzrdir.BzrDirFormat6().initialize(self.get_url())
195
170
        repo = weaverepo.RepositoryFormat6().initialize(control)
196
 
        self.assertFalse(repo._format.supports_external_lookups)
 
171
        repo.lock_write()
 
172
        inv = repo.get_inventory_weave()
 
173
        repo.unlock()
 
174
        self.assertRaises(errors.OutSideTransaction,
 
175
            inv.add_lines, 'foo', [], [])
197
176
 
198
177
 
199
178
class TestFormat7(TestCaseWithTransport):
200
 
 
201
 
    def test_attribute__fetch_order(self):
202
 
        """Weaves need topological data insertion."""
203
 
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
204
 
        repo = weaverepo.RepositoryFormat7().initialize(control)
205
 
        self.assertEqual('topological', repo._format._fetch_order)
206
 
 
207
 
    def test_attribute__fetch_uses_deltas(self):
208
 
        """Weaves do not reuse deltas."""
209
 
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
210
 
        repo = weaverepo.RepositoryFormat7().initialize(control)
211
 
        self.assertEqual(False, repo._format._fetch_uses_deltas)
212
 
 
213
 
    def test_attribute__fetch_reconcile(self):
214
 
        """Weave repositories need a reconcile after fetch."""
215
 
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
216
 
        repo = weaverepo.RepositoryFormat7().initialize(control)
217
 
        self.assertEqual(True, repo._format._fetch_reconcile)
218
 
 
 
179
    
219
180
    def test_disk_layout(self):
220
181
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
221
182
        repo = weaverepo.RepositoryFormat7().initialize(control)
237
198
                             'w\n'
238
199
                             'W\n',
239
200
                             t.get('inventory.weave').read())
240
 
        # Creating a file with id Foo:Bar results in a non-escaped file name on
241
 
        # disk.
242
 
        control.create_branch()
243
 
        tree = control.create_workingtree()
244
 
        tree.add(['foo'], ['Foo:Bar'], ['file'])
245
 
        tree.put_file_bytes_non_atomic('Foo:Bar', 'content\n')
246
 
        try:
247
 
            tree.commit('first post', rev_id='first')
248
 
        except errors.IllegalPath:
249
 
            if sys.platform != 'win32':
250
 
                raise
251
 
            self.knownFailure('Foo:Bar cannot be used as a file-id on windows'
252
 
                              ' in repo format 7')
253
 
            return
254
 
        self.assertEqualDiff(
255
 
            '# bzr weave file v5\n'
256
 
            'i\n'
257
 
            '1 7fe70820e08a1aac0ef224d9c66ab66831cc4ab1\n'
258
 
            'n first\n'
259
 
            '\n'
260
 
            'w\n'
261
 
            '{ 0\n'
262
 
            '. content\n'
263
 
            '}\n'
264
 
            'W\n',
265
 
            t.get('weaves/74/Foo%3ABar.weave').read())
266
201
 
267
202
    def test_shared_disk_layout(self):
268
203
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
291
226
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
292
227
        repo = weaverepo.RepositoryFormat7().initialize(control, shared=True)
293
228
        t = control.get_repository_transport(None)
294
 
        # TODO: Should check there is a 'lock' toplevel directory,
 
229
        # TODO: Should check there is a 'lock' toplevel directory, 
295
230
        # regardless of contents
296
231
        self.assertFalse(t.has('lock/held/info'))
297
232
        repo.lock_write()
343
278
                             'W\n',
344
279
                             t.get('inventory.weave').read())
345
280
 
346
 
    def test_supports_external_lookups(self):
 
281
    def test_exposed_versioned_files_are_marked_dirty(self):
347
282
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
348
283
        repo = weaverepo.RepositoryFormat7().initialize(control)
349
 
        self.assertFalse(repo._format.supports_external_lookups)
 
284
        repo.lock_write()
 
285
        inv = repo.get_inventory_weave()
 
286
        repo.unlock()
 
287
        self.assertRaises(errors.OutSideTransaction,
 
288
            inv.add_lines, 'foo', [], [])
350
289
 
351
290
 
352
291
class TestFormatKnit1(TestCaseWithTransport):
353
 
 
354
 
    def test_attribute__fetch_order(self):
355
 
        """Knits need topological data insertion."""
356
 
        repo = self.make_repository('.',
357
 
                format=bzrdir.format_registry.get('knit')())
358
 
        self.assertEqual('topological', repo._format._fetch_order)
359
 
 
360
 
    def test_attribute__fetch_uses_deltas(self):
361
 
        """Knits reuse deltas."""
362
 
        repo = self.make_repository('.',
363
 
                format=bzrdir.format_registry.get('knit')())
364
 
        self.assertEqual(True, repo._format._fetch_uses_deltas)
365
 
 
 
292
    
366
293
    def test_disk_layout(self):
367
294
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
368
295
        repo = knitrepo.RepositoryFormatKnit1().initialize(control)
382
309
        # self.assertEqualDiff('', t.get('lock').read())
383
310
        self.assertTrue(S_ISDIR(t.stat('knits').st_mode))
384
311
        self.check_knits(t)
385
 
        # Check per-file knits.
386
 
        branch = control.create_branch()
387
 
        tree = control.create_workingtree()
388
 
        tree.add(['foo'], ['Nasty-IdC:'], ['file'])
389
 
        tree.put_file_bytes_non_atomic('Nasty-IdC:', '')
390
 
        tree.commit('1st post', rev_id='foo')
391
 
        self.assertHasKnit(t, 'knits/e8/%254easty-%2549d%2543%253a',
392
 
            '\nfoo fulltext 0 81  :')
393
312
 
394
 
    def assertHasKnit(self, t, knit_name, extra_content=''):
 
313
    def assertHasKnit(self, t, knit_name):
395
314
        """Assert that knit_name exists on t."""
396
 
        self.assertEqualDiff('# bzr knit index 8\n' + extra_content,
 
315
        self.assertEqualDiff('# bzr knit index 8\n',
397
316
                             t.get(knit_name + '.kndx').read())
 
317
        # no default content
 
318
        self.assertTrue(t.has(knit_name + '.knit'))
398
319
 
399
320
    def check_knits(self, t):
400
321
        """check knit content for a repository."""
444
365
        self.assertTrue(S_ISDIR(t.stat('knits').st_mode))
445
366
        self.check_knits(t)
446
367
 
 
368
    def test_exposed_versioned_files_are_marked_dirty(self):
 
369
        format = bzrdir.BzrDirMetaFormat1()
 
370
        format.repository_format = knitrepo.RepositoryFormatKnit1()
 
371
        repo = self.make_repository('.', format=format)
 
372
        repo.lock_write()
 
373
        inv = repo.get_inventory_weave()
 
374
        repo.unlock()
 
375
        self.assertRaises(errors.OutSideTransaction,
 
376
            inv.add_lines, 'foo', [], [])
 
377
 
447
378
    def test_deserialise_sets_root_revision(self):
448
379
        """We must have a inventory.root.revision
449
380
 
454
385
        repo = self.make_repository('.',
455
386
                format=bzrdir.format_registry.get('knit')())
456
387
        inv_xml = '<inventory format="5">\n</inventory>\n'
457
 
        inv = repo._deserialise_inventory('test-rev-id', inv_xml)
 
388
        inv = repo.deserialise_inventory('test-rev-id', inv_xml)
458
389
        self.assertEqual('test-rev-id', inv.root.revision)
459
390
 
460
391
    def test_deserialise_uses_global_revision_id(self):
466
397
        # Arguably, the deserialise_inventory should detect a mismatch, and
467
398
        # raise an error, rather than silently using one revision_id over the
468
399
        # other.
469
 
        self.assertRaises(AssertionError, repo._deserialise_inventory,
470
 
            'test-rev-id', inv_xml)
471
 
        inv = repo._deserialise_inventory('other-rev-id', inv_xml)
 
400
        inv = repo.deserialise_inventory('test-rev-id', inv_xml)
472
401
        self.assertEqual('other-rev-id', inv.root.revision)
473
402
 
474
 
    def test_supports_external_lookups(self):
475
 
        repo = self.make_repository('.',
476
 
                format=bzrdir.format_registry.get('knit')())
477
 
        self.assertFalse(repo._format.supports_external_lookups)
 
403
 
 
404
class KnitRepositoryStreamTests(test_knit.KnitTests):
 
405
    """Tests for knitrepo._get_stream_as_bytes."""
 
406
 
 
407
    def test_get_stream_as_bytes(self):
 
408
        # Make a simple knit
 
409
        k1 = self.make_test_knit()
 
410
        k1.add_lines('text-a', [], test_knit.split_lines(test_knit.TEXT_1))
 
411
        
 
412
        # Serialise it, check the output.
 
413
        bytes = knitrepo._get_stream_as_bytes(k1, ['text-a'])
 
414
        data = bencode.bdecode(bytes)
 
415
        format, record = data
 
416
        self.assertEqual('knit-plain', format)
 
417
        self.assertEqual(['text-a', ['fulltext'], []], record[:3])
 
418
        self.assertRecordContentEqual(k1, 'text-a', record[3])
 
419
 
 
420
    def test_get_stream_as_bytes_all(self):
 
421
        """Get a serialised data stream for all the records in a knit.
 
422
 
 
423
        Much like test_get_stream_all, except for get_stream_as_bytes.
 
424
        """
 
425
        k1 = self.make_test_knit()
 
426
        # Insert the same data as BasicKnitTests.test_knit_join, as they seem
 
427
        # to cover a range of cases (no parents, one parent, multiple parents).
 
428
        test_data = [
 
429
            ('text-a', [], test_knit.TEXT_1),
 
430
            ('text-b', ['text-a'], test_knit.TEXT_1),
 
431
            ('text-c', [], test_knit.TEXT_1),
 
432
            ('text-d', ['text-c'], test_knit.TEXT_1),
 
433
            ('text-m', ['text-b', 'text-d'], test_knit.TEXT_1),
 
434
           ]
 
435
        expected_data_list = [
 
436
            # version, options, parents
 
437
            ('text-a', ['fulltext'], []),
 
438
            ('text-b', ['line-delta'], ['text-a']),
 
439
            ('text-c', ['fulltext'], []),
 
440
            ('text-d', ['line-delta'], ['text-c']),
 
441
            ('text-m', ['line-delta'], ['text-b', 'text-d']),
 
442
            ]
 
443
        for version_id, parents, lines in test_data:
 
444
            k1.add_lines(version_id, parents, test_knit.split_lines(lines))
 
445
 
 
446
        bytes = knitrepo._get_stream_as_bytes(
 
447
            k1, ['text-a', 'text-b', 'text-c', 'text-d', 'text-m'])
 
448
 
 
449
        data = bencode.bdecode(bytes)
 
450
        format = data.pop(0)
 
451
        self.assertEqual('knit-plain', format)
 
452
 
 
453
        for expected, actual in zip(expected_data_list, data):
 
454
            expected_version = expected[0]
 
455
            expected_options = expected[1]
 
456
            expected_parents = expected[2]
 
457
            version, options, parents, bytes = actual
 
458
            self.assertEqual(expected_version, version)
 
459
            self.assertEqual(expected_options, options)
 
460
            self.assertEqual(expected_parents, parents)
 
461
            self.assertRecordContentEqual(k1, version, bytes)
478
462
 
479
463
 
480
464
class DummyRepository(object):
481
465
    """A dummy repository for testing."""
482
466
 
483
 
    _format = None
484
467
    _serializer = None
485
468
 
486
469
    def supports_rich_root(self):
487
 
        if self._format is not None:
488
 
            return self._format.rich_root_data
489
470
        return False
490
471
 
491
 
    def get_graph(self):
492
 
        raise NotImplementedError
493
 
 
494
 
    def get_parent_map(self, revision_ids):
495
 
        raise NotImplementedError
496
 
 
497
472
 
498
473
class InterDummy(repository.InterRepository):
499
474
    """An inter-repository optimised code path for DummyRepository.
506
481
    @staticmethod
507
482
    def is_compatible(repo_source, repo_target):
508
483
        """InterDummy is compatible with DummyRepository."""
509
 
        return (isinstance(repo_source, DummyRepository) and
 
484
        return (isinstance(repo_source, DummyRepository) and 
510
485
            isinstance(repo_target, DummyRepository))
511
486
 
512
487
 
525
500
 
526
501
    def assertGetsDefaultInterRepository(self, repo_a, repo_b):
527
502
        """Asserts that InterRepository.get(repo_a, repo_b) -> the default.
528
 
 
 
503
        
529
504
        The effective default is now InterSameDataRepository because there is
530
505
        no actual sane default in the presence of incompatible data models.
531
506
        """
542
517
        # pair that it returns true on for the is_compatible static method
543
518
        # check
544
519
        dummy_a = DummyRepository()
545
 
        dummy_a._format = RepositoryFormat()
546
520
        dummy_b = DummyRepository()
547
 
        dummy_b._format = RepositoryFormat()
548
521
        repo = self.make_repository('.')
549
522
        # hack dummies to look like repo somewhat.
550
523
        dummy_a._serializer = repo._serializer
551
 
        dummy_a._format.supports_tree_reference = repo._format.supports_tree_reference
552
 
        dummy_a._format.rich_root_data = repo._format.rich_root_data
553
524
        dummy_b._serializer = repo._serializer
554
 
        dummy_b._format.supports_tree_reference = repo._format.supports_tree_reference
555
 
        dummy_b._format.rich_root_data = repo._format.rich_root_data
556
525
        repository.InterRepository.register_optimiser(InterDummy)
557
526
        try:
558
527
            # we should get the default for something InterDummy returns False
602
571
                                                        repo_b).__class__)
603
572
 
604
573
 
 
574
class TestInterRemoteToOther(TestCaseWithTransport):
 
575
 
 
576
    def make_remote_repository(self, path, backing_format=None):
 
577
        """Make a RemoteRepository object backed by a real repository that will
 
578
        be created at the given path."""
 
579
        self.make_repository(path, format=backing_format)
 
580
        smart_server = server.SmartTCPServer_for_testing()
 
581
        smart_server.setUp()
 
582
        remote_transport = get_transport(smart_server.get_url()).clone(path)
 
583
        self.addCleanup(smart_server.tearDown)
 
584
        remote_bzrdir = bzrdir.BzrDir.open_from_transport(remote_transport)
 
585
        remote_repo = remote_bzrdir.open_repository()
 
586
        return remote_repo
 
587
 
 
588
    def test_is_compatible_same_format(self):
 
589
        """InterRemoteToOther is compatible with a remote repository and a
 
590
        second repository that have the same format."""
 
591
        local_repo = self.make_repository('local')
 
592
        remote_repo = self.make_remote_repository('remote')
 
593
        is_compatible = repository.InterRemoteToOther.is_compatible
 
594
        self.assertTrue(
 
595
            is_compatible(remote_repo, local_repo),
 
596
            "InterRemoteToOther(%r, %r) is false" % (remote_repo, local_repo))
 
597
          
 
598
    def test_is_incompatible_different_format(self):
 
599
        local_repo = self.make_repository('local', 'dirstate')
 
600
        remote_repo = self.make_remote_repository('a', 'dirstate-with-subtree')
 
601
        is_compatible = repository.InterRemoteToOther.is_compatible
 
602
        self.assertFalse(
 
603
            is_compatible(remote_repo, local_repo),
 
604
            "InterRemoteToOther(%r, %r) is true" % (local_repo, remote_repo))
 
605
 
 
606
    def test_is_incompatible_different_format_both_remote(self):
 
607
        remote_repo_a = self.make_remote_repository(
 
608
            'a', 'dirstate-with-subtree')
 
609
        remote_repo_b = self.make_remote_repository('b', 'dirstate')
 
610
        is_compatible = repository.InterRemoteToOther.is_compatible
 
611
        self.assertFalse(
 
612
            is_compatible(remote_repo_a, remote_repo_b),
 
613
            "InterRemoteToOther(%r, %r) is true"
 
614
            % (remote_repo_a, remote_repo_b))
 
615
 
 
616
 
605
617
class TestRepositoryConverter(TestCaseWithTransport):
606
618
 
607
619
    def test_convert_empty(self):
621
633
 
622
634
 
623
635
class TestMisc(TestCase):
624
 
 
 
636
    
625
637
    def test_unescape_xml(self):
626
638
        """We get some kind of error when malformed entities are passed"""
627
 
        self.assertRaises(KeyError, repository._unescape_xml, 'foo&bar;')
 
639
        self.assertRaises(KeyError, repository._unescape_xml, 'foo&bar;') 
628
640
 
629
641
 
630
642
class TestRepositoryFormatKnit3(TestCaseWithTransport):
631
643
 
632
 
    def test_attribute__fetch_order(self):
633
 
        """Knits need topological data insertion."""
634
 
        format = bzrdir.BzrDirMetaFormat1()
635
 
        format.repository_format = knitrepo.RepositoryFormatKnit3()
636
 
        repo = self.make_repository('.', format=format)
637
 
        self.assertEqual('topological', repo._format._fetch_order)
638
 
 
639
 
    def test_attribute__fetch_uses_deltas(self):
640
 
        """Knits reuse deltas."""
641
 
        format = bzrdir.BzrDirMetaFormat1()
642
 
        format.repository_format = knitrepo.RepositoryFormatKnit3()
643
 
        repo = self.make_repository('.', format=format)
644
 
        self.assertEqual(True, repo._format._fetch_uses_deltas)
645
 
 
646
644
    def test_convert(self):
647
645
        """Ensure the upgrade adds weaves for roots"""
648
646
        format = bzrdir.BzrDirMetaFormat1()
650
648
        tree = self.make_branch_and_tree('.', format)
651
649
        tree.commit("Dull commit", rev_id="dull")
652
650
        revision_tree = tree.branch.repository.revision_tree('dull')
653
 
        revision_tree.lock_read()
654
 
        try:
655
 
            self.assertRaises(errors.NoSuchFile, revision_tree.get_file_lines,
656
 
                revision_tree.inventory.root.file_id)
657
 
        finally:
658
 
            revision_tree.unlock()
 
651
        self.assertRaises(errors.NoSuchFile, revision_tree.get_file_lines,
 
652
            revision_tree.inventory.root.file_id)
659
653
        format = bzrdir.BzrDirMetaFormat1()
660
654
        format.repository_format = knitrepo.RepositoryFormatKnit3()
661
655
        upgrade.Convert('.', format)
662
656
        tree = workingtree.WorkingTree.open('.')
663
657
        revision_tree = tree.branch.repository.revision_tree('dull')
664
 
        revision_tree.lock_read()
665
 
        try:
666
 
            revision_tree.get_file_lines(revision_tree.inventory.root.file_id)
667
 
        finally:
668
 
            revision_tree.unlock()
 
658
        revision_tree.get_file_lines(revision_tree.inventory.root.file_id)
669
659
        tree.commit("Another dull commit", rev_id='dull2')
670
660
        revision_tree = tree.branch.repository.revision_tree('dull2')
671
 
        revision_tree.lock_read()
672
 
        self.addCleanup(revision_tree.unlock)
673
661
        self.assertEqual('dull', revision_tree.inventory.root.revision)
674
662
 
675
 
    def test_supports_external_lookups(self):
 
663
    def test_exposed_versioned_files_are_marked_dirty(self):
676
664
        format = bzrdir.BzrDirMetaFormat1()
677
665
        format.repository_format = knitrepo.RepositoryFormatKnit3()
678
666
        repo = self.make_repository('.', format=format)
679
 
        self.assertFalse(repo._format.supports_external_lookups)
680
 
 
681
 
 
682
 
class Test2a(tests.TestCaseWithMemoryTransport):
683
 
 
684
 
    def test_fetch_combines_groups(self):
685
 
        builder = self.make_branch_builder('source', format='2a')
686
 
        builder.start_series()
687
 
        builder.build_snapshot('1', None, [
688
 
            ('add', ('', 'root-id', 'directory', '')),
689
 
            ('add', ('file', 'file-id', 'file', 'content\n'))])
690
 
        builder.build_snapshot('2', ['1'], [
691
 
            ('modify', ('file-id', 'content-2\n'))])
692
 
        builder.finish_series()
693
 
        source = builder.get_branch()
694
 
        target = self.make_repository('target', format='2a')
695
 
        target.fetch(source.repository)
696
 
        target.lock_read()
697
 
        self.addCleanup(target.unlock)
698
 
        details = target.texts._index.get_build_details(
699
 
            [('file-id', '1',), ('file-id', '2',)])
700
 
        file_1_details = details[('file-id', '1')]
701
 
        file_2_details = details[('file-id', '2')]
702
 
        # The index, and what to read off disk, should be the same for both
703
 
        # versions of the file.
704
 
        self.assertEqual(file_1_details[0][:3], file_2_details[0][:3])
705
 
 
706
 
    def test_fetch_combines_groups(self):
707
 
        builder = self.make_branch_builder('source', format='2a')
708
 
        builder.start_series()
709
 
        builder.build_snapshot('1', None, [
710
 
            ('add', ('', 'root-id', 'directory', '')),
711
 
            ('add', ('file', 'file-id', 'file', 'content\n'))])
712
 
        builder.build_snapshot('2', ['1'], [
713
 
            ('modify', ('file-id', 'content-2\n'))])
714
 
        builder.finish_series()
715
 
        source = builder.get_branch()
716
 
        target = self.make_repository('target', format='2a')
717
 
        target.fetch(source.repository)
718
 
        target.lock_read()
719
 
        self.addCleanup(target.unlock)
720
 
        details = target.texts._index.get_build_details(
721
 
            [('file-id', '1',), ('file-id', '2',)])
722
 
        file_1_details = details[('file-id', '1')]
723
 
        file_2_details = details[('file-id', '2')]
724
 
        # The index, and what to read off disk, should be the same for both
725
 
        # versions of the file.
726
 
        self.assertEqual(file_1_details[0][:3], file_2_details[0][:3])
727
 
 
728
 
    def test_fetch_combines_groups(self):
729
 
        builder = self.make_branch_builder('source', format='2a')
730
 
        builder.start_series()
731
 
        builder.build_snapshot('1', None, [
732
 
            ('add', ('', 'root-id', 'directory', '')),
733
 
            ('add', ('file', 'file-id', 'file', 'content\n'))])
734
 
        builder.build_snapshot('2', ['1'], [
735
 
            ('modify', ('file-id', 'content-2\n'))])
736
 
        builder.finish_series()
737
 
        source = builder.get_branch()
738
 
        target = self.make_repository('target', format='2a')
739
 
        target.fetch(source.repository)
740
 
        target.lock_read()
741
 
        self.addCleanup(target.unlock)
742
 
        details = target.texts._index.get_build_details(
743
 
            [('file-id', '1',), ('file-id', '2',)])
744
 
        file_1_details = details[('file-id', '1')]
745
 
        file_2_details = details[('file-id', '2')]
746
 
        # The index, and what to read off disk, should be the same for both
747
 
        # versions of the file.
748
 
        self.assertEqual(file_1_details[0][:3], file_2_details[0][:3])
749
 
 
750
 
    def test_format_pack_compresses_True(self):
751
 
        repo = self.make_repository('repo', format='2a')
752
 
        self.assertTrue(repo._format.pack_compresses)
753
 
 
754
 
    def test_inventories_use_chk_map_with_parent_base_dict(self):
755
 
        tree = self.make_branch_and_memory_tree('repo', format="2a")
756
 
        tree.lock_write()
757
 
        tree.add([''], ['TREE_ROOT'])
758
 
        revid = tree.commit("foo")
759
 
        tree.unlock()
760
 
        tree.lock_read()
761
 
        self.addCleanup(tree.unlock)
762
 
        inv = tree.branch.repository.get_inventory(revid)
763
 
        self.assertNotEqual(None, inv.parent_id_basename_to_file_id)
764
 
        inv.parent_id_basename_to_file_id._ensure_root()
765
 
        inv.id_to_entry._ensure_root()
766
 
        self.assertEqual(65536, inv.id_to_entry._root_node.maximum_size)
767
 
        self.assertEqual(65536,
768
 
            inv.parent_id_basename_to_file_id._root_node.maximum_size)
769
 
 
770
 
    def test_autopack_unchanged_chk_nodes(self):
771
 
        # at 20 unchanged commits, chk pages are packed that are split into
772
 
        # two groups such that the new pack being made doesn't have all its
773
 
        # pages in the source packs (though they are in the repository).
774
 
        # Use a memory backed repository, we don't need to hit disk for this
775
 
        tree = self.make_branch_and_memory_tree('tree', format='2a')
776
 
        tree.lock_write()
777
 
        self.addCleanup(tree.unlock)
778
 
        tree.add([''], ['TREE_ROOT'])
779
 
        for pos in range(20):
780
 
            tree.commit(str(pos))
781
 
 
782
 
    def test_pack_with_hint(self):
783
 
        tree = self.make_branch_and_memory_tree('tree', format='2a')
784
 
        tree.lock_write()
785
 
        self.addCleanup(tree.unlock)
786
 
        tree.add([''], ['TREE_ROOT'])
787
 
        # 1 commit to leave untouched
788
 
        tree.commit('1')
789
 
        to_keep = tree.branch.repository._pack_collection.names()
790
 
        # 2 to combine
791
 
        tree.commit('2')
792
 
        tree.commit('3')
793
 
        all = tree.branch.repository._pack_collection.names()
794
 
        combine = list(set(all) - set(to_keep))
795
 
        self.assertLength(3, all)
796
 
        self.assertLength(2, combine)
797
 
        tree.branch.repository.pack(hint=combine)
798
 
        final = tree.branch.repository._pack_collection.names()
799
 
        self.assertLength(2, final)
800
 
        self.assertFalse(combine[0] in final)
801
 
        self.assertFalse(combine[1] in final)
802
 
        self.assertSubset(to_keep, final)
803
 
 
804
 
    def test_stream_source_to_gc(self):
805
 
        source = self.make_repository('source', format='2a')
806
 
        target = self.make_repository('target', format='2a')
807
 
        stream = source._get_source(target._format)
808
 
        self.assertIsInstance(stream, groupcompress_repo.GroupCHKStreamSource)
809
 
 
810
 
    def test_stream_source_to_non_gc(self):
811
 
        source = self.make_repository('source', format='2a')
812
 
        target = self.make_repository('target', format='rich-root-pack')
813
 
        stream = source._get_source(target._format)
814
 
        # We don't want the child GroupCHKStreamSource
815
 
        self.assertIs(type(stream), repository.StreamSource)
816
 
 
817
 
    def test_get_stream_for_missing_keys_includes_all_chk_refs(self):
818
 
        source_builder = self.make_branch_builder('source',
819
 
                            format='2a')
820
 
        # We have to build a fairly large tree, so that we are sure the chk
821
 
        # pages will have split into multiple pages.
822
 
        entries = [('add', ('', 'a-root-id', 'directory', None))]
823
 
        for i in 'abcdefghijklmnopqrstuvwxyz123456789':
824
 
            for j in 'abcdefghijklmnopqrstuvwxyz123456789':
825
 
                fname = i + j
826
 
                fid = fname + '-id'
827
 
                content = 'content for %s\n' % (fname,)
828
 
                entries.append(('add', (fname, fid, 'file', content)))
829
 
        source_builder.start_series()
830
 
        source_builder.build_snapshot('rev-1', None, entries)
831
 
        # Now change a few of them, so we get a few new pages for the second
832
 
        # revision
833
 
        source_builder.build_snapshot('rev-2', ['rev-1'], [
834
 
            ('modify', ('aa-id', 'new content for aa-id\n')),
835
 
            ('modify', ('cc-id', 'new content for cc-id\n')),
836
 
            ('modify', ('zz-id', 'new content for zz-id\n')),
837
 
            ])
838
 
        source_builder.finish_series()
839
 
        source_branch = source_builder.get_branch()
840
 
        source_branch.lock_read()
841
 
        self.addCleanup(source_branch.unlock)
842
 
        target = self.make_repository('target', format='2a')
843
 
        source = source_branch.repository._get_source(target._format)
844
 
        self.assertIsInstance(source, groupcompress_repo.GroupCHKStreamSource)
845
 
 
846
 
        # On a regular pass, getting the inventories and chk pages for rev-2
847
 
        # would only get the newly created chk pages
848
 
        search = graph.SearchResult(set(['rev-2']), set(['rev-1']), 1,
849
 
                                    set(['rev-2']))
850
 
        simple_chk_records = []
851
 
        for vf_name, substream in source.get_stream(search):
852
 
            if vf_name == 'chk_bytes':
853
 
                for record in substream:
854
 
                    simple_chk_records.append(record.key)
855
 
            else:
856
 
                for _ in substream:
857
 
                    continue
858
 
        # 3 pages, the root (InternalNode), + 2 pages which actually changed
859
 
        self.assertEqual([('sha1:91481f539e802c76542ea5e4c83ad416bf219f73',),
860
 
                          ('sha1:4ff91971043668583985aec83f4f0ab10a907d3f',),
861
 
                          ('sha1:81e7324507c5ca132eedaf2d8414ee4bb2226187',),
862
 
                          ('sha1:b101b7da280596c71a4540e9a1eeba8045985ee0',)],
863
 
                         simple_chk_records)
864
 
        # Now, when we do a similar call using 'get_stream_for_missing_keys'
865
 
        # we should get a much larger set of pages.
866
 
        missing = [('inventories', 'rev-2')]
867
 
        full_chk_records = []
868
 
        for vf_name, substream in source.get_stream_for_missing_keys(missing):
869
 
            if vf_name == 'inventories':
870
 
                for record in substream:
871
 
                    self.assertEqual(('rev-2',), record.key)
872
 
            elif vf_name == 'chk_bytes':
873
 
                for record in substream:
874
 
                    full_chk_records.append(record.key)
875
 
            else:
876
 
                self.fail('Should not be getting a stream of %s' % (vf_name,))
877
 
        # We have 257 records now. This is because we have 1 root page, and 256
878
 
        # leaf pages in a complete listing.
879
 
        self.assertEqual(257, len(full_chk_records))
880
 
        self.assertSubset(simple_chk_records, full_chk_records)
881
 
 
882
 
    def test_inconsistency_fatal(self):
883
 
        repo = self.make_repository('repo', format='2a')
884
 
        self.assertTrue(repo.revisions._index._inconsistency_fatal)
885
 
        self.assertFalse(repo.texts._index._inconsistency_fatal)
886
 
        self.assertFalse(repo.inventories._index._inconsistency_fatal)
887
 
        self.assertFalse(repo.signatures._index._inconsistency_fatal)
888
 
        self.assertFalse(repo.chk_bytes._index._inconsistency_fatal)
889
 
 
890
 
 
891
 
class TestKnitPackStreamSource(tests.TestCaseWithMemoryTransport):
892
 
 
893
 
    def test_source_to_exact_pack_092(self):
894
 
        source = self.make_repository('source', format='pack-0.92')
895
 
        target = self.make_repository('target', format='pack-0.92')
896
 
        stream_source = source._get_source(target._format)
897
 
        self.assertIsInstance(stream_source, pack_repo.KnitPackStreamSource)
898
 
 
899
 
    def test_source_to_exact_pack_rich_root_pack(self):
900
 
        source = self.make_repository('source', format='rich-root-pack')
901
 
        target = self.make_repository('target', format='rich-root-pack')
902
 
        stream_source = source._get_source(target._format)
903
 
        self.assertIsInstance(stream_source, pack_repo.KnitPackStreamSource)
904
 
 
905
 
    def test_source_to_exact_pack_19(self):
906
 
        source = self.make_repository('source', format='1.9')
907
 
        target = self.make_repository('target', format='1.9')
908
 
        stream_source = source._get_source(target._format)
909
 
        self.assertIsInstance(stream_source, pack_repo.KnitPackStreamSource)
910
 
 
911
 
    def test_source_to_exact_pack_19_rich_root(self):
912
 
        source = self.make_repository('source', format='1.9-rich-root')
913
 
        target = self.make_repository('target', format='1.9-rich-root')
914
 
        stream_source = source._get_source(target._format)
915
 
        self.assertIsInstance(stream_source, pack_repo.KnitPackStreamSource)
916
 
 
917
 
    def test_source_to_remote_exact_pack_19(self):
918
 
        trans = self.make_smart_server('target')
919
 
        trans.ensure_base()
920
 
        source = self.make_repository('source', format='1.9')
921
 
        target = self.make_repository('target', format='1.9')
922
 
        target = repository.Repository.open(trans.base)
923
 
        stream_source = source._get_source(target._format)
924
 
        self.assertIsInstance(stream_source, pack_repo.KnitPackStreamSource)
925
 
 
926
 
    def test_stream_source_to_non_exact(self):
927
 
        source = self.make_repository('source', format='pack-0.92')
928
 
        target = self.make_repository('target', format='1.9')
929
 
        stream = source._get_source(target._format)
930
 
        self.assertIs(type(stream), repository.StreamSource)
931
 
 
932
 
    def test_stream_source_to_non_exact_rich_root(self):
933
 
        source = self.make_repository('source', format='1.9')
934
 
        target = self.make_repository('target', format='1.9-rich-root')
935
 
        stream = source._get_source(target._format)
936
 
        self.assertIs(type(stream), repository.StreamSource)
937
 
 
938
 
    def test_source_to_remote_non_exact_pack_19(self):
939
 
        trans = self.make_smart_server('target')
940
 
        trans.ensure_base()
941
 
        source = self.make_repository('source', format='1.9')
942
 
        target = self.make_repository('target', format='1.6')
943
 
        target = repository.Repository.open(trans.base)
944
 
        stream_source = source._get_source(target._format)
945
 
        self.assertIs(type(stream_source), repository.StreamSource)
946
 
 
947
 
    def test_stream_source_to_knit(self):
948
 
        source = self.make_repository('source', format='pack-0.92')
949
 
        target = self.make_repository('target', format='dirstate')
950
 
        stream = source._get_source(target._format)
951
 
        self.assertIs(type(stream), repository.StreamSource)
952
 
 
953
 
 
954
 
class TestDevelopment6FindParentIdsOfRevisions(TestCaseWithTransport):
955
 
    """Tests for _find_parent_ids_of_revisions."""
956
 
 
957
 
    def setUp(self):
958
 
        super(TestDevelopment6FindParentIdsOfRevisions, self).setUp()
959
 
        self.builder = self.make_branch_builder('source',
960
 
            format='development6-rich-root')
961
 
        self.builder.start_series()
962
 
        self.builder.build_snapshot('initial', None,
963
 
            [('add', ('', 'tree-root', 'directory', None))])
964
 
        self.repo = self.builder.get_branch().repository
965
 
        self.addCleanup(self.builder.finish_series)
966
 
 
967
 
    def assertParentIds(self, expected_result, rev_set):
968
 
        self.assertEqual(sorted(expected_result),
969
 
            sorted(self.repo._find_parent_ids_of_revisions(rev_set)))
970
 
 
971
 
    def test_simple(self):
972
 
        self.builder.build_snapshot('revid1', None, [])
973
 
        self.builder.build_snapshot('revid2', ['revid1'], [])
974
 
        rev_set = ['revid2']
975
 
        self.assertParentIds(['revid1'], rev_set)
976
 
 
977
 
    def test_not_first_parent(self):
978
 
        self.builder.build_snapshot('revid1', None, [])
979
 
        self.builder.build_snapshot('revid2', ['revid1'], [])
980
 
        self.builder.build_snapshot('revid3', ['revid2'], [])
981
 
        rev_set = ['revid3', 'revid2']
982
 
        self.assertParentIds(['revid1'], rev_set)
983
 
 
984
 
    def test_not_null(self):
985
 
        rev_set = ['initial']
986
 
        self.assertParentIds([], rev_set)
987
 
 
988
 
    def test_not_null_set(self):
989
 
        self.builder.build_snapshot('revid1', None, [])
990
 
        rev_set = [_mod_revision.NULL_REVISION]
991
 
        self.assertParentIds([], rev_set)
992
 
 
993
 
    def test_ghost(self):
994
 
        self.builder.build_snapshot('revid1', None, [])
995
 
        rev_set = ['ghost', 'revid1']
996
 
        self.assertParentIds(['initial'], rev_set)
997
 
 
998
 
    def test_ghost_parent(self):
999
 
        self.builder.build_snapshot('revid1', None, [])
1000
 
        self.builder.build_snapshot('revid2', ['revid1', 'ghost'], [])
1001
 
        rev_set = ['revid2', 'revid1']
1002
 
        self.assertParentIds(['ghost', 'initial'], rev_set)
1003
 
 
1004
 
    def test_righthand_parent(self):
1005
 
        self.builder.build_snapshot('revid1', None, [])
1006
 
        self.builder.build_snapshot('revid2a', ['revid1'], [])
1007
 
        self.builder.build_snapshot('revid2b', ['revid1'], [])
1008
 
        self.builder.build_snapshot('revid3', ['revid2a', 'revid2b'], [])
1009
 
        rev_set = ['revid3', 'revid2a']
1010
 
        self.assertParentIds(['revid1', 'revid2b'], rev_set)
 
667
        repo.lock_write()
 
668
        inv = repo.get_inventory_weave()
 
669
        repo.unlock()
 
670
        self.assertRaises(errors.OutSideTransaction,
 
671
            inv.add_lines, 'foo', [], [])
1011
672
 
1012
673
 
1013
674
class TestWithBrokenRepo(TestCaseWithTransport):
1028
689
            inv = inventory.Inventory(revision_id='rev1a')
1029
690
            inv.root.revision = 'rev1a'
1030
691
            self.add_file(repo, inv, 'file1', 'rev1a', [])
1031
 
            repo.texts.add_lines((inv.root.file_id, 'rev1a'), [], [])
1032
692
            repo.add_inventory('rev1a', inv, [])
1033
693
            revision = _mod_revision.Revision('rev1a',
1034
694
                committer='jrandom@example.com', timestamp=0,
1069
729
    def add_revision(self, repo, revision_id, inv, parent_ids):
1070
730
        inv.revision_id = revision_id
1071
731
        inv.root.revision = revision_id
1072
 
        repo.texts.add_lines((inv.root.file_id, revision_id), [], [])
1073
732
        repo.add_inventory(revision_id, inv, parent_ids)
1074
733
        revision = _mod_revision.Revision(revision_id,
1075
734
            committer='jrandom@example.com', timestamp=0, inventory_sha1='',
1082
741
        entry.revision = revision
1083
742
        entry.text_size = 0
1084
743
        inv.add(entry)
1085
 
        text_key = (file_id, revision)
1086
 
        parent_keys = [(file_id, parent) for parent in parents]
1087
 
        repo.texts.add_lines(text_key, parent_keys, ['line\n'])
 
744
        vf = repo.weave_store.get_weave_or_empty(file_id,
 
745
                                                 repo.get_transaction())
 
746
        vf.add_lines(revision, parents, ['line\n'])
1088
747
 
1089
748
    def test_insert_from_broken_repo(self):
1090
749
        """Inserting a data stream from a broken repository won't silently
1092
751
        """
1093
752
        broken_repo = self.make_broken_repository()
1094
753
        empty_repo = self.make_repository('empty-repo')
1095
 
        try:
1096
 
            empty_repo.fetch(broken_repo)
1097
 
        except (errors.RevisionNotPresent, errors.BzrCheckError):
1098
 
            # Test successful: compression parent not being copied leads to
1099
 
            # error.
1100
 
            return
1101
 
        empty_repo.lock_read()
 
754
        stream = broken_repo.get_data_stream(['rev1a', 'rev2', 'rev3'])
 
755
        empty_repo.lock_write()
1102
756
        self.addCleanup(empty_repo.unlock)
1103
 
        text = empty_repo.texts.get_record_stream(
1104
 
            [('file2-id', 'rev3')], 'topological', True).next()
1105
 
        self.assertEqual('line\n', text.get_bytes_as('fulltext'))
 
757
        empty_repo.start_write_group()
 
758
        try:
 
759
            self.assertRaises(
 
760
                errors.KnitCorrupt, empty_repo.insert_data_stream, stream)
 
761
        finally:
 
762
            empty_repo.abort_write_group()
 
763
 
 
764
 
 
765
class TestKnitPackNoSubtrees(TestCaseWithTransport):
 
766
 
 
767
    def get_format(self):
 
768
        return bzrdir.format_registry.make_bzrdir('knitpack-experimental')
 
769
 
 
770
    def test_disk_layout(self):
 
771
        format = self.get_format()
 
772
        repo = self.make_repository('.', format=format)
 
773
        # in case of side effects of locking.
 
774
        repo.lock_write()
 
775
        repo.unlock()
 
776
        t = repo.bzrdir.get_repository_transport(None)
 
777
        self.check_format(t)
 
778
        # XXX: no locks left when unlocked at the moment
 
779
        # self.assertEqualDiff('', t.get('lock').read())
 
780
        self.check_databases(t)
 
781
 
 
782
    def check_format(self, t):
 
783
        self.assertEqualDiff(
 
784
            "Bazaar pack repository format 1 (needs bzr 0.92)\n",
 
785
                             t.get('format').read())
 
786
 
 
787
    def assertHasKndx(self, t, knit_name):
 
788
        """Assert that knit_name exists on t."""
 
789
        self.assertEqualDiff('# bzr knit index 8\n',
 
790
                             t.get(knit_name + '.kndx').read())
 
791
 
 
792
    def assertHasNoKndx(self, t, knit_name):
 
793
        """Assert that knit_name has no index on t."""
 
794
        self.assertFalse(t.has(knit_name + '.kndx'))
 
795
 
 
796
    def assertHasNoKnit(self, t, knit_name):
 
797
        """Assert that knit_name exists on t."""
 
798
        # no default content
 
799
        self.assertFalse(t.has(knit_name + '.knit'))
 
800
 
 
801
    def check_databases(self, t):
 
802
        """check knit content for a repository."""
 
803
        # check conversion worked
 
804
        self.assertHasNoKndx(t, 'inventory')
 
805
        self.assertHasNoKnit(t, 'inventory')
 
806
        self.assertHasNoKndx(t, 'revisions')
 
807
        self.assertHasNoKnit(t, 'revisions')
 
808
        self.assertHasNoKndx(t, 'signatures')
 
809
        self.assertHasNoKnit(t, 'signatures')
 
810
        self.assertFalse(t.has('knits'))
 
811
        # revision-indexes file-container directory
 
812
        self.assertEqual([],
 
813
            list(GraphIndex(t, 'pack-names', None).iter_all_entries()))
 
814
        self.assertTrue(S_ISDIR(t.stat('packs').st_mode))
 
815
        self.assertTrue(S_ISDIR(t.stat('upload').st_mode))
 
816
        self.assertTrue(S_ISDIR(t.stat('indices').st_mode))
 
817
        self.assertTrue(S_ISDIR(t.stat('obsolete_packs').st_mode))
 
818
 
 
819
    def test_shared_disk_layout(self):
 
820
        format = self.get_format()
 
821
        repo = self.make_repository('.', shared=True, format=format)
 
822
        # we want:
 
823
        t = repo.bzrdir.get_repository_transport(None)
 
824
        self.check_format(t)
 
825
        # XXX: no locks left when unlocked at the moment
 
826
        # self.assertEqualDiff('', t.get('lock').read())
 
827
        # We should have a 'shared-storage' marker file.
 
828
        self.assertEqualDiff('', t.get('shared-storage').read())
 
829
        self.check_databases(t)
 
830
 
 
831
    def test_shared_no_tree_disk_layout(self):
 
832
        format = self.get_format()
 
833
        repo = self.make_repository('.', shared=True, format=format)
 
834
        repo.set_make_working_trees(False)
 
835
        # we want:
 
836
        t = repo.bzrdir.get_repository_transport(None)
 
837
        self.check_format(t)
 
838
        # XXX: no locks left when unlocked at the moment
 
839
        # self.assertEqualDiff('', t.get('lock').read())
 
840
        # We should have a 'shared-storage' marker file.
 
841
        self.assertEqualDiff('', t.get('shared-storage').read())
 
842
        # We should have a marker for the no-working-trees flag.
 
843
        self.assertEqualDiff('', t.get('no-working-trees').read())
 
844
        # The marker should go when we toggle the setting.
 
845
        repo.set_make_working_trees(True)
 
846
        self.assertFalse(t.has('no-working-trees'))
 
847
        self.check_databases(t)
 
848
 
 
849
    def test_adding_revision_creates_pack_indices(self):
 
850
        format = self.get_format()
 
851
        tree = self.make_branch_and_tree('.', format=format)
 
852
        trans = tree.branch.repository.bzrdir.get_repository_transport(None)
 
853
        self.assertEqual([],
 
854
            list(GraphIndex(trans, 'pack-names', None).iter_all_entries()))
 
855
        tree.commit('foobarbaz')
 
856
        index = GraphIndex(trans, 'pack-names', None)
 
857
        index_nodes = list(index.iter_all_entries())
 
858
        self.assertEqual(1, len(index_nodes))
 
859
        node = index_nodes[0]
 
860
        name = node[1][0]
 
861
        # the pack sizes should be listed in the index
 
862
        pack_value = node[2]
 
863
        sizes = [int(digits) for digits in pack_value.split(' ')]
 
864
        for size, suffix in zip(sizes, ['.rix', '.iix', '.tix', '.six']):
 
865
            stat = trans.stat('indices/%s%s' % (name, suffix))
 
866
            self.assertEqual(size, stat.st_size)
 
867
 
 
868
    def test_pulling_nothing_leads_to_no_new_names(self):
 
869
        format = self.get_format()
 
870
        tree1 = self.make_branch_and_tree('1', format=format)
 
871
        tree2 = self.make_branch_and_tree('2', format=format)
 
872
        tree1.branch.repository.fetch(tree2.branch.repository)
 
873
        trans = tree1.branch.repository.bzrdir.get_repository_transport(None)
 
874
        self.assertEqual([],
 
875
            list(GraphIndex(trans, 'pack-names', None).iter_all_entries()))
 
876
 
 
877
    def test_commit_across_pack_shape_boundary_autopacks(self):
 
878
        format = self.get_format()
 
879
        tree = self.make_branch_and_tree('.', format=format)
 
880
        trans = tree.branch.repository.bzrdir.get_repository_transport(None)
 
881
        # This test could be a little cheaper by replacing the packs
 
882
        # attribute on the repository to allow a different pack distribution
 
883
        # and max packs policy - so we are checking the policy is honoured
 
884
        # in the test. But for now 11 commits is not a big deal in a single
 
885
        # test.
 
886
        for x in range(9):
 
887
            tree.commit('commit %s' % x)
 
888
        # there should be 9 packs:
 
889
        index = GraphIndex(trans, 'pack-names', None)
 
890
        self.assertEqual(9, len(list(index.iter_all_entries())))
 
891
        # committing one more should coalesce to 1 of 10.
 
892
        tree.commit('commit triggering pack')
 
893
        index = GraphIndex(trans, 'pack-names', None)
 
894
        self.assertEqual(1, len(list(index.iter_all_entries())))
 
895
        # packing should not damage data
 
896
        tree = tree.bzrdir.open_workingtree()
 
897
        check_result = tree.branch.repository.check(
 
898
            [tree.branch.last_revision()])
 
899
        # XXX: Todo check packs obsoleted correctly - old packs and indices
 
900
        # in the obsolete_packs directory.
 
901
        large_pack_name = list(index.iter_all_entries())[0][1][0]
 
902
        # finally, committing again should not touch the large pack.
 
903
        tree.commit('commit not triggering pack')
 
904
        index = GraphIndex(trans, 'pack-names', None)
 
905
        self.assertEqual(2, len(list(index.iter_all_entries())))
 
906
        pack_names = [node[1][0] for node in index.iter_all_entries()]
 
907
        self.assertTrue(large_pack_name in pack_names)
 
908
 
 
909
    def test_pack_after_two_commits_packs_everything(self):
 
910
        format = self.get_format()
 
911
        tree = self.make_branch_and_tree('.', format=format)
 
912
        trans = tree.branch.repository.bzrdir.get_repository_transport(None)
 
913
        tree.commit('start')
 
914
        tree.commit('more work')
 
915
        tree.branch.repository.pack()
 
916
        # there should be 1 pack:
 
917
        index = GraphIndex(trans, 'pack-names', None)
 
918
        self.assertEqual(1, len(list(index.iter_all_entries())))
 
919
        self.assertEqual(2, len(tree.branch.repository.all_revision_ids()))
 
920
 
 
921
    def test_pack_repositories_support_multiple_write_locks(self):
 
922
        format = self.get_format()
 
923
        self.make_repository('.', shared=True, format=format)
 
924
        r1 = repository.Repository.open('.')
 
925
        r2 = repository.Repository.open('.')
 
926
        r1.lock_write()
 
927
        self.addCleanup(r1.unlock)
 
928
        r2.lock_write()
 
929
        r2.unlock()
 
930
 
 
931
    def _add_text(self, repo, fileid):
 
932
        """Add a text to the repository within a write group."""
 
933
        vf =repo.weave_store.get_weave(fileid, repo.get_transaction())
 
934
        vf.add_lines('samplerev+' + fileid, [], [])
 
935
 
 
936
    def test_concurrent_writers_merge_new_packs(self):
 
937
        format = self.get_format()
 
938
        self.make_repository('.', shared=True, format=format)
 
939
        r1 = repository.Repository.open('.')
 
940
        r2 = repository.Repository.open('.')
 
941
        r1.lock_write()
 
942
        try:
 
943
            # access enough data to load the names list
 
944
            list(r1.all_revision_ids())
 
945
            r2.lock_write()
 
946
            try:
 
947
                # access enough data to load the names list
 
948
                list(r2.all_revision_ids())
 
949
                r1.start_write_group()
 
950
                try:
 
951
                    r2.start_write_group()
 
952
                    try:
 
953
                        self._add_text(r1, 'fileidr1')
 
954
                        self._add_text(r2, 'fileidr2')
 
955
                    except:
 
956
                        r2.abort_write_group()
 
957
                        raise
 
958
                except:
 
959
                    r1.abort_write_group()
 
960
                    raise
 
961
                # both r1 and r2 have open write groups with data in them
 
962
                # created while the other's write group was open.
 
963
                # Commit both which requires a merge to the pack-names.
 
964
                try:
 
965
                    r1.commit_write_group()
 
966
                except:
 
967
                    r1.abort_write_group()
 
968
                    r2.abort_write_group()
 
969
                    raise
 
970
                r2.commit_write_group()
 
971
                # tell r1 to reload from disk
 
972
                r1._pack_collection.reset()
 
973
                # Now both repositories should know about both names
 
974
                r1._pack_collection.ensure_loaded()
 
975
                r2._pack_collection.ensure_loaded()
 
976
                self.assertEqual(r1._pack_collection.names(), r2._pack_collection.names())
 
977
                self.assertEqual(2, len(r1._pack_collection.names()))
 
978
            finally:
 
979
                r2.unlock()
 
980
        finally:
 
981
            r1.unlock()
 
982
 
 
983
    def test_concurrent_writer_second_preserves_dropping_a_pack(self):
 
984
        format = self.get_format()
 
985
        self.make_repository('.', shared=True, format=format)
 
986
        r1 = repository.Repository.open('.')
 
987
        r2 = repository.Repository.open('.')
 
988
        # add a pack to drop
 
989
        r1.lock_write()
 
990
        try:
 
991
            r1.start_write_group()
 
992
            try:
 
993
                self._add_text(r1, 'fileidr1')
 
994
            except:
 
995
                r1.abort_write_group()
 
996
                raise
 
997
            else:
 
998
                r1.commit_write_group()
 
999
            r1._pack_collection.ensure_loaded()
 
1000
            name_to_drop = r1._pack_collection.all_packs()[0].name
 
1001
        finally:
 
1002
            r1.unlock()
 
1003
        r1.lock_write()
 
1004
        try:
 
1005
            # access enough data to load the names list
 
1006
            list(r1.all_revision_ids())
 
1007
            r2.lock_write()
 
1008
            try:
 
1009
                # access enough data to load the names list
 
1010
                list(r2.all_revision_ids())
 
1011
                r1._pack_collection.ensure_loaded()
 
1012
                try:
 
1013
                    r2.start_write_group()
 
1014
                    try:
 
1015
                        # in r1, drop the pack
 
1016
                        r1._pack_collection._remove_pack_from_memory(
 
1017
                            r1._pack_collection.get_pack_by_name(name_to_drop))
 
1018
                        # in r2, add a pack
 
1019
                        self._add_text(r2, 'fileidr2')
 
1020
                    except:
 
1021
                        r2.abort_write_group()
 
1022
                        raise
 
1023
                except:
 
1024
                    r1._pack_collection.reset()
 
1025
                    raise
 
1026
                # r1 has a changed names list, and r2 an open write groups with
 
1027
                # changes.
 
1028
                # save r1, and then commit the r2 write group, which requires a
 
1029
                # merge to the pack-names, which should not reinstate
 
1030
                # name_to_drop
 
1031
                try:
 
1032
                    r1._pack_collection._save_pack_names()
 
1033
                    r1._pack_collection.reset()
 
1034
                except:
 
1035
                    r2.abort_write_group()
 
1036
                    raise
 
1037
                try:
 
1038
                    r2.commit_write_group()
 
1039
                except:
 
1040
                    r2.abort_write_group()
 
1041
                    raise
 
1042
                # Now both repositories should now about just one name.
 
1043
                r1._pack_collection.ensure_loaded()
 
1044
                r2._pack_collection.ensure_loaded()
 
1045
                self.assertEqual(r1._pack_collection.names(), r2._pack_collection.names())
 
1046
                self.assertEqual(1, len(r1._pack_collection.names()))
 
1047
                self.assertFalse(name_to_drop in r1._pack_collection.names())
 
1048
            finally:
 
1049
                r2.unlock()
 
1050
        finally:
 
1051
            r1.unlock()
 
1052
 
 
1053
    def test_lock_write_does_not_physically_lock(self):
 
1054
        repo = self.make_repository('.', format=self.get_format())
 
1055
        repo.lock_write()
 
1056
        self.addCleanup(repo.unlock)
 
1057
        self.assertFalse(repo.get_physical_lock_status())
 
1058
 
 
1059
    def prepare_for_break_lock(self):
 
1060
        # Setup the global ui factory state so that a break-lock method call
 
1061
        # will find usable input in the input stream.
 
1062
        old_factory = bzrlib.ui.ui_factory
 
1063
        def restoreFactory():
 
1064
            bzrlib.ui.ui_factory = old_factory
 
1065
        self.addCleanup(restoreFactory)
 
1066
        bzrlib.ui.ui_factory = bzrlib.ui.SilentUIFactory()
 
1067
        bzrlib.ui.ui_factory.stdin = StringIO("y\n")
 
1068
 
 
1069
    def test_break_lock_breaks_physical_lock(self):
 
1070
        repo = self.make_repository('.', format=self.get_format())
 
1071
        repo._pack_collection.lock_names()
 
1072
        repo2 = repository.Repository.open('.')
 
1073
        self.assertTrue(repo.get_physical_lock_status())
 
1074
        self.prepare_for_break_lock()
 
1075
        repo2.break_lock()
 
1076
        self.assertFalse(repo.get_physical_lock_status())
 
1077
 
 
1078
    def test_broken_physical_locks_error_on__unlock_names_lock(self):
 
1079
        repo = self.make_repository('.', format=self.get_format())
 
1080
        repo._pack_collection.lock_names()
 
1081
        self.assertTrue(repo.get_physical_lock_status())
 
1082
        repo2 = repository.Repository.open('.')
 
1083
        self.prepare_for_break_lock()
 
1084
        repo2.break_lock()
 
1085
        self.assertRaises(errors.LockBroken, repo._pack_collection._unlock_names)
 
1086
 
 
1087
    def test_fetch_without_find_ghosts_ignores_ghosts(self):
 
1088
        # we want two repositories at this point:
 
1089
        # one with a revision that is a ghost in the other
 
1090
        # repository.
 
1091
        # 'ghost' is present in has_ghost, 'ghost' is absent in 'missing_ghost'.
 
1092
        # 'references' is present in both repositories, and 'tip' is present
 
1093
        # just in has_ghost.
 
1094
        # has_ghost       missing_ghost
 
1095
        #------------------------------
 
1096
        # 'ghost'             -
 
1097
        # 'references'    'references'
 
1098
        # 'tip'               -
 
1099
        # In this test we fetch 'tip' which should not fetch 'ghost'
 
1100
        has_ghost = self.make_repository('has_ghost', format=self.get_format())
 
1101
        missing_ghost = self.make_repository('missing_ghost',
 
1102
            format=self.get_format())
 
1103
 
 
1104
        def add_commit(repo, revision_id, parent_ids):
 
1105
            repo.lock_write()
 
1106
            repo.start_write_group()
 
1107
            inv = inventory.Inventory(revision_id=revision_id)
 
1108
            inv.root.revision = revision_id
 
1109
            root_id = inv.root.file_id
 
1110
            sha1 = repo.add_inventory(revision_id, inv, [])
 
1111
            vf = repo.weave_store.get_weave_or_empty(root_id,
 
1112
                repo.get_transaction())
 
1113
            vf.add_lines(revision_id, [], [])
 
1114
            rev = bzrlib.revision.Revision(timestamp=0,
 
1115
                                           timezone=None,
 
1116
                                           committer="Foo Bar <foo@example.com>",
 
1117
                                           message="Message",
 
1118
                                           inventory_sha1=sha1,
 
1119
                                           revision_id=revision_id)
 
1120
            rev.parent_ids = parent_ids
 
1121
            repo.add_revision(revision_id, rev)
 
1122
            repo.commit_write_group()
 
1123
            repo.unlock()
 
1124
        add_commit(has_ghost, 'ghost', [])
 
1125
        add_commit(has_ghost, 'references', ['ghost'])
 
1126
        add_commit(missing_ghost, 'references', ['ghost'])
 
1127
        add_commit(has_ghost, 'tip', ['references'])
 
1128
        missing_ghost.fetch(has_ghost, 'tip')
 
1129
        # missing ghost now has tip and not ghost.
 
1130
        rev = missing_ghost.get_revision('tip')
 
1131
        inv = missing_ghost.get_inventory('tip')
 
1132
        self.assertRaises(errors.NoSuchRevision,
 
1133
            missing_ghost.get_revision, 'ghost')
 
1134
        self.assertRaises(errors.RevisionNotPresent,
 
1135
            missing_ghost.get_inventory, 'ghost')
 
1136
 
 
1137
 
 
1138
class TestKnitPackSubtrees(TestKnitPackNoSubtrees):
 
1139
 
 
1140
    def get_format(self):
 
1141
        return bzrdir.format_registry.make_bzrdir(
 
1142
            'knitpack-subtree-experimental')
 
1143
 
 
1144
    def check_format(self, t):
 
1145
        self.assertEqualDiff(
 
1146
            "Bazaar pack repository format 1 with subtree support (needs bzr 0.92)\n",
 
1147
            t.get('format').read())
1106
1148
 
1107
1149
 
1108
1150
class TestRepositoryPackCollection(TestCaseWithTransport):
1109
1151
 
1110
1152
    def get_format(self):
1111
 
        return bzrdir.format_registry.make_bzrdir('pack-0.92')
1112
 
 
1113
 
    def get_packs(self):
1114
 
        format = self.get_format()
1115
 
        repo = self.make_repository('.', format=format)
1116
 
        return repo._pack_collection
1117
 
 
1118
 
    def make_packs_and_alt_repo(self, write_lock=False):
1119
 
        """Create a pack repo with 3 packs, and access it via a second repo."""
1120
 
        tree = self.make_branch_and_tree('.', format=self.get_format())
1121
 
        tree.lock_write()
1122
 
        self.addCleanup(tree.unlock)
1123
 
        rev1 = tree.commit('one')
1124
 
        rev2 = tree.commit('two')
1125
 
        rev3 = tree.commit('three')
1126
 
        r = repository.Repository.open('.')
1127
 
        if write_lock:
1128
 
            r.lock_write()
1129
 
        else:
1130
 
            r.lock_read()
1131
 
        self.addCleanup(r.unlock)
1132
 
        packs = r._pack_collection
1133
 
        packs.ensure_loaded()
1134
 
        return tree, r, packs, [rev1, rev2, rev3]
1135
 
 
1136
 
    def test__clear_obsolete_packs(self):
1137
 
        packs = self.get_packs()
1138
 
        obsolete_pack_trans = packs.transport.clone('obsolete_packs')
1139
 
        obsolete_pack_trans.put_bytes('a-pack.pack', 'content\n')
1140
 
        obsolete_pack_trans.put_bytes('a-pack.rix', 'content\n')
1141
 
        obsolete_pack_trans.put_bytes('a-pack.iix', 'content\n')
1142
 
        obsolete_pack_trans.put_bytes('another-pack.pack', 'foo\n')
1143
 
        obsolete_pack_trans.put_bytes('not-a-pack.rix', 'foo\n')
1144
 
        res = packs._clear_obsolete_packs()
1145
 
        self.assertEqual(['a-pack', 'another-pack'], sorted(res))
1146
 
        self.assertEqual([], obsolete_pack_trans.list_dir('.'))
1147
 
 
1148
 
    def test__clear_obsolete_packs_preserve(self):
1149
 
        packs = self.get_packs()
1150
 
        obsolete_pack_trans = packs.transport.clone('obsolete_packs')
1151
 
        obsolete_pack_trans.put_bytes('a-pack.pack', 'content\n')
1152
 
        obsolete_pack_trans.put_bytes('a-pack.rix', 'content\n')
1153
 
        obsolete_pack_trans.put_bytes('a-pack.iix', 'content\n')
1154
 
        obsolete_pack_trans.put_bytes('another-pack.pack', 'foo\n')
1155
 
        obsolete_pack_trans.put_bytes('not-a-pack.rix', 'foo\n')
1156
 
        res = packs._clear_obsolete_packs(preserve=set(['a-pack']))
1157
 
        self.assertEqual(['a-pack', 'another-pack'], sorted(res))
1158
 
        self.assertEqual(['a-pack.iix', 'a-pack.pack', 'a-pack.rix'],
1159
 
                         sorted(obsolete_pack_trans.list_dir('.')))
 
1153
        return bzrdir.format_registry.make_bzrdir('knitpack-experimental')
1160
1154
 
1161
1155
    def test__max_pack_count(self):
1162
1156
        """The maximum pack count is a function of the number of revisions."""
 
1157
        format = self.get_format()
 
1158
        repo = self.make_repository('.', format=format)
 
1159
        packs = repo._pack_collection
1163
1160
        # no revisions - one pack, so that we can have a revision free repo
1164
1161
        # without it blowing up
1165
 
        packs = self.get_packs()
1166
1162
        self.assertEqual(1, packs._max_pack_count(0))
1167
1163
        # after that the sum of the digits, - check the first 1-9
1168
1164
        self.assertEqual(1, packs._max_pack_count(1))
1183
1179
        # check some arbitrary big numbers
1184
1180
        self.assertEqual(25, packs._max_pack_count(112894))
1185
1181
 
1186
 
    def test_repr(self):
1187
 
        packs = self.get_packs()
1188
 
        self.assertContainsRe(repr(packs),
1189
 
            'RepositoryPackCollection(.*Repository(.*))')
1190
 
 
1191
 
    def test__obsolete_packs(self):
1192
 
        tree, r, packs, revs = self.make_packs_and_alt_repo(write_lock=True)
1193
 
        names = packs.names()
1194
 
        pack = packs.get_pack_by_name(names[0])
1195
 
        # Schedule this one for removal
1196
 
        packs._remove_pack_from_memory(pack)
1197
 
        # Simulate a concurrent update by renaming the .pack file and one of
1198
 
        # the indices
1199
 
        packs.transport.rename('packs/%s.pack' % (names[0],),
1200
 
                               'obsolete_packs/%s.pack' % (names[0],))
1201
 
        packs.transport.rename('indices/%s.iix' % (names[0],),
1202
 
                               'obsolete_packs/%s.iix' % (names[0],))
1203
 
        # Now trigger the obsoletion, and ensure that all the remaining files
1204
 
        # are still renamed
1205
 
        packs._obsolete_packs([pack])
1206
 
        self.assertEqual([n + '.pack' for n in names[1:]],
1207
 
                         sorted(packs._pack_transport.list_dir('.')))
1208
 
        # names[0] should not be present in the index anymore
1209
 
        self.assertEqual(names[1:],
1210
 
            sorted(set([osutils.splitext(n)[0] for n in
1211
 
                        packs._index_transport.list_dir('.')])))
1212
 
 
1213
1182
    def test_pack_distribution_zero(self):
1214
 
        packs = self.get_packs()
 
1183
        format = self.get_format()
 
1184
        repo = self.make_repository('.', format=format)
 
1185
        packs = repo._pack_collection
1215
1186
        self.assertEqual([0], packs.pack_distribution(0))
1216
 
 
1217
 
    def test_ensure_loaded_unlocked(self):
1218
 
        packs = self.get_packs()
1219
 
        self.assertRaises(errors.ObjectNotLocked,
1220
 
                          packs.ensure_loaded)
1221
 
 
 
1187
        
1222
1188
    def test_pack_distribution_one_to_nine(self):
1223
 
        packs = self.get_packs()
 
1189
        format = self.get_format()
 
1190
        repo = self.make_repository('.', format=format)
 
1191
        packs = repo._pack_collection
1224
1192
        self.assertEqual([1],
1225
1193
            packs.pack_distribution(1))
1226
1194
        self.assertEqual([1, 1],
1242
1210
 
1243
1211
    def test_pack_distribution_stable_at_boundaries(self):
1244
1212
        """When there are multi-rev packs the counts are stable."""
1245
 
        packs = self.get_packs()
 
1213
        format = self.get_format()
 
1214
        repo = self.make_repository('.', format=format)
 
1215
        packs = repo._pack_collection
1246
1216
        # in 10s:
1247
1217
        self.assertEqual([10], packs.pack_distribution(10))
1248
1218
        self.assertEqual([10, 1], packs.pack_distribution(11))
1257
1227
        self.assertEqual([100, 100, 10, 1], packs.pack_distribution(211))
1258
1228
 
1259
1229
    def test_plan_pack_operations_2009_revisions_skip_all_packs(self):
1260
 
        packs = self.get_packs()
 
1230
        format = self.get_format()
 
1231
        repo = self.make_repository('.', format=format)
 
1232
        packs = repo._pack_collection
1261
1233
        existing_packs = [(2000, "big"), (9, "medium")]
1262
1234
        # rev count - 2009 -> 2x1000 + 9x1
1263
1235
        pack_operations = packs.plan_autopack_combinations(
1265
1237
        self.assertEqual([], pack_operations)
1266
1238
 
1267
1239
    def test_plan_pack_operations_2010_revisions_skip_all_packs(self):
1268
 
        packs = self.get_packs()
 
1240
        format = self.get_format()
 
1241
        repo = self.make_repository('.', format=format)
 
1242
        packs = repo._pack_collection
1269
1243
        existing_packs = [(2000, "big"), (9, "medium"), (1, "single")]
1270
1244
        # rev count - 2010 -> 2x1000 + 1x10
1271
1245
        pack_operations = packs.plan_autopack_combinations(
1273
1247
        self.assertEqual([], pack_operations)
1274
1248
 
1275
1249
    def test_plan_pack_operations_2010_combines_smallest_two(self):
1276
 
        packs = self.get_packs()
 
1250
        format = self.get_format()
 
1251
        repo = self.make_repository('.', format=format)
 
1252
        packs = repo._pack_collection
1277
1253
        existing_packs = [(1999, "big"), (9, "medium"), (1, "single2"),
1278
1254
            (1, "single1")]
1279
1255
        # rev count - 2010 -> 2x1000 + 1x10 (3)
1280
1256
        pack_operations = packs.plan_autopack_combinations(
1281
1257
            existing_packs, [1000, 1000, 10])
1282
 
        self.assertEqual([[2, ["single2", "single1"]]], pack_operations)
1283
 
 
1284
 
    def test_plan_pack_operations_creates_a_single_op(self):
1285
 
        packs = self.get_packs()
1286
 
        existing_packs = [(50, 'a'), (40, 'b'), (30, 'c'), (10, 'd'),
1287
 
                          (10, 'e'), (6, 'f'), (4, 'g')]
1288
 
        # rev count 150 -> 1x100 and 5x10
1289
 
        # The two size 10 packs do not need to be touched. The 50, 40, 30 would
1290
 
        # be combined into a single 120 size pack, and the 6 & 4 would
1291
 
        # becombined into a size 10 pack. However, if we have to rewrite them,
1292
 
        # we save a pack file with no increased I/O by putting them into the
1293
 
        # same file.
1294
 
        distribution = packs.pack_distribution(150)
1295
 
        pack_operations = packs.plan_autopack_combinations(existing_packs,
1296
 
                                                           distribution)
1297
 
        self.assertEqual([[130, ['a', 'b', 'c', 'f', 'g']]], pack_operations)
 
1258
        self.assertEqual([[2, ["single2", "single1"]], [0, []]], pack_operations)
1298
1259
 
1299
1260
    def test_all_packs_none(self):
1300
1261
        format = self.get_format()
1338
1299
        tree.lock_read()
1339
1300
        self.addCleanup(tree.unlock)
1340
1301
        packs = tree.branch.repository._pack_collection
1341
 
        packs.reset()
1342
1302
        packs.ensure_loaded()
1343
1303
        name = packs.names()[0]
1344
1304
        pack_1 = packs.get_pack_by_name(name)
1345
1305
        # the pack should be correctly initialised
1346
 
        sizes = packs._names[name]
1347
 
        rev_index = GraphIndex(packs._index_transport, name + '.rix', sizes[0])
1348
 
        inv_index = GraphIndex(packs._index_transport, name + '.iix', sizes[1])
1349
 
        txt_index = GraphIndex(packs._index_transport, name + '.tix', sizes[2])
1350
 
        sig_index = GraphIndex(packs._index_transport, name + '.six', sizes[3])
 
1306
        rev_index = GraphIndex(packs._index_transport, name + '.rix',
 
1307
            packs._names[name][0])
 
1308
        inv_index = GraphIndex(packs._index_transport, name + '.iix',
 
1309
            packs._names[name][1])
 
1310
        txt_index = GraphIndex(packs._index_transport, name + '.tix',
 
1311
            packs._names[name][2])
 
1312
        sig_index = GraphIndex(packs._index_transport, name + '.six',
 
1313
            packs._names[name][3])
1351
1314
        self.assertEqual(pack_repo.ExistingPack(packs._pack_transport,
1352
1315
            name, rev_index, inv_index, txt_index, sig_index), pack_1)
1353
1316
        # and the same instance should be returned on successive calls.
1354
1317
        self.assertTrue(pack_1 is packs.get_pack_by_name(name))
1355
1318
 
1356
 
    def test_reload_pack_names_new_entry(self):
1357
 
        tree, r, packs, revs = self.make_packs_and_alt_repo()
1358
 
        names = packs.names()
1359
 
        # Add a new pack file into the repository
1360
 
        rev4 = tree.commit('four')
1361
 
        new_names = tree.branch.repository._pack_collection.names()
1362
 
        new_name = set(new_names).difference(names)
1363
 
        self.assertEqual(1, len(new_name))
1364
 
        new_name = new_name.pop()
1365
 
        # The old collection hasn't noticed yet
1366
 
        self.assertEqual(names, packs.names())
1367
 
        self.assertTrue(packs.reload_pack_names())
1368
 
        self.assertEqual(new_names, packs.names())
1369
 
        # And the repository can access the new revision
1370
 
        self.assertEqual({rev4:(revs[-1],)}, r.get_parent_map([rev4]))
1371
 
        self.assertFalse(packs.reload_pack_names())
1372
 
 
1373
 
    def test_reload_pack_names_added_and_removed(self):
1374
 
        tree, r, packs, revs = self.make_packs_and_alt_repo()
1375
 
        names = packs.names()
1376
 
        # Now repack the whole thing
1377
 
        tree.branch.repository.pack()
1378
 
        new_names = tree.branch.repository._pack_collection.names()
1379
 
        # The other collection hasn't noticed yet
1380
 
        self.assertEqual(names, packs.names())
1381
 
        self.assertTrue(packs.reload_pack_names())
1382
 
        self.assertEqual(new_names, packs.names())
1383
 
        self.assertEqual({revs[-1]:(revs[-2],)}, r.get_parent_map([revs[-1]]))
1384
 
        self.assertFalse(packs.reload_pack_names())
1385
 
 
1386
 
    def test_reload_pack_names_preserves_pending(self):
1387
 
        # TODO: Update this to also test for pending-deleted names
1388
 
        tree, r, packs, revs = self.make_packs_and_alt_repo(write_lock=True)
1389
 
        # We will add one pack (via start_write_group + insert_record_stream),
1390
 
        # and remove another pack (via _remove_pack_from_memory)
1391
 
        orig_names = packs.names()
1392
 
        orig_at_load = packs._packs_at_load
1393
 
        to_remove_name = iter(orig_names).next()
1394
 
        r.start_write_group()
1395
 
        self.addCleanup(r.abort_write_group)
1396
 
        r.texts.insert_record_stream([versionedfile.FulltextContentFactory(
1397
 
            ('text', 'rev'), (), None, 'content\n')])
1398
 
        new_pack = packs._new_pack
1399
 
        self.assertTrue(new_pack.data_inserted())
1400
 
        new_pack.finish()
1401
 
        packs.allocate(new_pack)
1402
 
        packs._new_pack = None
1403
 
        removed_pack = packs.get_pack_by_name(to_remove_name)
1404
 
        packs._remove_pack_from_memory(removed_pack)
1405
 
        names = packs.names()
1406
 
        all_nodes, deleted_nodes, new_nodes, _ = packs._diff_pack_names()
1407
 
        new_names = set([x[0][0] for x in new_nodes])
1408
 
        self.assertEqual(names, sorted([x[0][0] for x in all_nodes]))
1409
 
        self.assertEqual(set(names) - set(orig_names), new_names)
1410
 
        self.assertEqual(set([new_pack.name]), new_names)
1411
 
        self.assertEqual([to_remove_name],
1412
 
                         sorted([x[0][0] for x in deleted_nodes]))
1413
 
        packs.reload_pack_names()
1414
 
        reloaded_names = packs.names()
1415
 
        self.assertEqual(orig_at_load, packs._packs_at_load)
1416
 
        self.assertEqual(names, reloaded_names)
1417
 
        all_nodes, deleted_nodes, new_nodes, _ = packs._diff_pack_names()
1418
 
        new_names = set([x[0][0] for x in new_nodes])
1419
 
        self.assertEqual(names, sorted([x[0][0] for x in all_nodes]))
1420
 
        self.assertEqual(set(names) - set(orig_names), new_names)
1421
 
        self.assertEqual(set([new_pack.name]), new_names)
1422
 
        self.assertEqual([to_remove_name],
1423
 
                         sorted([x[0][0] for x in deleted_nodes]))
1424
 
 
1425
 
    def test_autopack_obsoletes_new_pack(self):
1426
 
        tree, r, packs, revs = self.make_packs_and_alt_repo(write_lock=True)
1427
 
        packs._max_pack_count = lambda x: 1
1428
 
        packs.pack_distribution = lambda x: [10]
1429
 
        r.start_write_group()
1430
 
        r.revisions.insert_record_stream([versionedfile.FulltextContentFactory(
1431
 
            ('bogus-rev',), (), None, 'bogus-content\n')])
1432
 
        # This should trigger an autopack, which will combine everything into a
1433
 
        # single pack file.
1434
 
        new_names = r.commit_write_group()
1435
 
        names = packs.names()
1436
 
        self.assertEqual(1, len(names))
1437
 
        self.assertEqual([names[0] + '.pack'],
1438
 
                         packs._pack_transport.list_dir('.'))
1439
 
 
1440
 
    def test_autopack_reloads_and_stops(self):
1441
 
        tree, r, packs, revs = self.make_packs_and_alt_repo(write_lock=True)
1442
 
        # After we have determined what needs to be autopacked, trigger a
1443
 
        # full-pack via the other repo which will cause us to re-evaluate and
1444
 
        # decide we don't need to do anything
1445
 
        orig_execute = packs._execute_pack_operations
1446
 
        def _munged_execute_pack_ops(*args, **kwargs):
1447
 
            tree.branch.repository.pack()
1448
 
            return orig_execute(*args, **kwargs)
1449
 
        packs._execute_pack_operations = _munged_execute_pack_ops
1450
 
        packs._max_pack_count = lambda x: 1
1451
 
        packs.pack_distribution = lambda x: [10]
1452
 
        self.assertFalse(packs.autopack())
1453
 
        self.assertEqual(1, len(packs.names()))
1454
 
        self.assertEqual(tree.branch.repository._pack_collection.names(),
1455
 
                         packs.names())
1456
 
 
1457
 
    def test__save_pack_names(self):
1458
 
        tree, r, packs, revs = self.make_packs_and_alt_repo(write_lock=True)
1459
 
        names = packs.names()
1460
 
        pack = packs.get_pack_by_name(names[0])
1461
 
        packs._remove_pack_from_memory(pack)
1462
 
        packs._save_pack_names(obsolete_packs=[pack])
1463
 
        cur_packs = packs._pack_transport.list_dir('.')
1464
 
        self.assertEqual([n + '.pack' for n in names[1:]], sorted(cur_packs))
1465
 
        # obsolete_packs will also have stuff like .rix and .iix present.
1466
 
        obsolete_packs = packs.transport.list_dir('obsolete_packs')
1467
 
        obsolete_names = set([osutils.splitext(n)[0] for n in obsolete_packs])
1468
 
        self.assertEqual([pack.name], sorted(obsolete_names))
1469
 
 
1470
 
    def test__save_pack_names_already_obsoleted(self):
1471
 
        tree, r, packs, revs = self.make_packs_and_alt_repo(write_lock=True)
1472
 
        names = packs.names()
1473
 
        pack = packs.get_pack_by_name(names[0])
1474
 
        packs._remove_pack_from_memory(pack)
1475
 
        # We are going to simulate a concurrent autopack by manually obsoleting
1476
 
        # the pack directly.
1477
 
        packs._obsolete_packs([pack])
1478
 
        packs._save_pack_names(clear_obsolete_packs=True,
1479
 
                               obsolete_packs=[pack])
1480
 
        cur_packs = packs._pack_transport.list_dir('.')
1481
 
        self.assertEqual([n + '.pack' for n in names[1:]], sorted(cur_packs))
1482
 
        # Note that while we set clear_obsolete_packs=True, it should not
1483
 
        # delete a pack file that we have also scheduled for obsoletion.
1484
 
        obsolete_packs = packs.transport.list_dir('obsolete_packs')
1485
 
        obsolete_names = set([osutils.splitext(n)[0] for n in obsolete_packs])
1486
 
        self.assertEqual([pack.name], sorted(obsolete_names))
1487
 
 
1488
 
 
1489
1319
 
1490
1320
class TestPack(TestCaseWithTransport):
1491
1321
    """Tests for the Pack object."""
1545
1375
        pack_transport = self.get_transport('pack')
1546
1376
        index_transport = self.get_transport('index')
1547
1377
        upload_transport.mkdir('.')
1548
 
        collection = pack_repo.RepositoryPackCollection(
1549
 
            repo=None,
1550
 
            transport=self.get_transport('.'),
1551
 
            index_transport=index_transport,
1552
 
            upload_transport=upload_transport,
1553
 
            pack_transport=pack_transport,
1554
 
            index_builder_class=BTreeBuilder,
1555
 
            index_class=BTreeGraphIndex,
1556
 
            use_chk_index=False)
1557
 
        pack = pack_repo.NewPack(collection)
1558
 
        self.addCleanup(pack.abort) # Make sure the write stream gets closed
1559
 
        self.assertIsInstance(pack.revision_index, BTreeBuilder)
1560
 
        self.assertIsInstance(pack.inventory_index, BTreeBuilder)
1561
 
        self.assertIsInstance(pack._hash, type(osutils.md5()))
 
1378
        pack = pack_repo.NewPack(upload_transport, index_transport,
 
1379
            pack_transport)
 
1380
        self.assertIsInstance(pack.revision_index, InMemoryGraphIndex)
 
1381
        self.assertIsInstance(pack.inventory_index, InMemoryGraphIndex)
 
1382
        self.assertIsInstance(pack._hash, type(md5.new()))
1562
1383
        self.assertTrue(pack.upload_transport is upload_transport)
1563
1384
        self.assertTrue(pack.index_transport is index_transport)
1564
1385
        self.assertTrue(pack.pack_transport is pack_transport)
1566
1387
        self.assertEqual(20, len(pack.random_name))
1567
1388
        self.assertIsInstance(pack.random_name, str)
1568
1389
        self.assertIsInstance(pack.start_time, float)
1569
 
 
1570
 
 
1571
 
class TestPacker(TestCaseWithTransport):
1572
 
    """Tests for the packs repository Packer class."""
1573
 
 
1574
 
    def test_pack_optimizes_pack_order(self):
1575
 
        builder = self.make_branch_builder('.', format="1.9")
1576
 
        builder.start_series()
1577
 
        builder.build_snapshot('A', None, [
1578
 
            ('add', ('', 'root-id', 'directory', None)),
1579
 
            ('add', ('f', 'f-id', 'file', 'content\n'))])
1580
 
        builder.build_snapshot('B', ['A'],
1581
 
            [('modify', ('f-id', 'new-content\n'))])
1582
 
        builder.build_snapshot('C', ['B'],
1583
 
            [('modify', ('f-id', 'third-content\n'))])
1584
 
        builder.build_snapshot('D', ['C'],
1585
 
            [('modify', ('f-id', 'fourth-content\n'))])
1586
 
        b = builder.get_branch()
1587
 
        b.lock_read()
1588
 
        builder.finish_series()
1589
 
        self.addCleanup(b.unlock)
1590
 
        # At this point, we should have 4 pack files available
1591
 
        # Because of how they were built, they correspond to
1592
 
        # ['D', 'C', 'B', 'A']
1593
 
        packs = b.repository._pack_collection.packs
1594
 
        packer = pack_repo.Packer(b.repository._pack_collection,
1595
 
                                  packs, 'testing',
1596
 
                                  revision_ids=['B', 'C'])
1597
 
        # Now, when we are copying the B & C revisions, their pack files should
1598
 
        # be moved to the front of the stack
1599
 
        # The new ordering moves B & C to the front of the .packs attribute,
1600
 
        # and leaves the others in the original order.
1601
 
        new_packs = [packs[1], packs[2], packs[0], packs[3]]
1602
 
        new_pack = packer.pack()
1603
 
        self.assertEqual(new_packs, packer.packs)
1604
 
 
1605
 
 
1606
 
class TestOptimisingPacker(TestCaseWithTransport):
1607
 
    """Tests for the OptimisingPacker class."""
1608
 
 
1609
 
    def get_pack_collection(self):
1610
 
        repo = self.make_repository('.')
1611
 
        return repo._pack_collection
1612
 
 
1613
 
    def test_open_pack_will_optimise(self):
1614
 
        packer = pack_repo.OptimisingPacker(self.get_pack_collection(),
1615
 
                                            [], '.test')
1616
 
        new_pack = packer.open_pack()
1617
 
        self.addCleanup(new_pack.abort) # ensure cleanup
1618
 
        self.assertIsInstance(new_pack, pack_repo.NewPack)
1619
 
        self.assertTrue(new_pack.revision_index._optimize_for_size)
1620
 
        self.assertTrue(new_pack.inventory_index._optimize_for_size)
1621
 
        self.assertTrue(new_pack.text_index._optimize_for_size)
1622
 
        self.assertTrue(new_pack.signature_index._optimize_for_size)
1623
 
 
1624
 
 
1625
 
class TestCrossFormatPacks(TestCaseWithTransport):
1626
 
 
1627
 
    def log_pack(self, hint=None):
1628
 
        self.calls.append(('pack', hint))
1629
 
        self.orig_pack(hint=hint)
1630
 
        if self.expect_hint:
1631
 
            self.assertTrue(hint)
1632
 
 
1633
 
    def run_stream(self, src_fmt, target_fmt, expect_pack_called):
1634
 
        self.expect_hint = expect_pack_called
1635
 
        self.calls = []
1636
 
        source_tree = self.make_branch_and_tree('src', format=src_fmt)
1637
 
        source_tree.lock_write()
1638
 
        self.addCleanup(source_tree.unlock)
1639
 
        tip = source_tree.commit('foo')
1640
 
        target = self.make_repository('target', format=target_fmt)
1641
 
        target.lock_write()
1642
 
        self.addCleanup(target.unlock)
1643
 
        source = source_tree.branch.repository._get_source(target._format)
1644
 
        self.orig_pack = target.pack
1645
 
        target.pack = self.log_pack
1646
 
        search = target.search_missing_revision_ids(
1647
 
            source_tree.branch.repository, tip)
1648
 
        stream = source.get_stream(search)
1649
 
        from_format = source_tree.branch.repository._format
1650
 
        sink = target._get_sink()
1651
 
        sink.insert_stream(stream, from_format, [])
1652
 
        if expect_pack_called:
1653
 
            self.assertLength(1, self.calls)
1654
 
        else:
1655
 
            self.assertLength(0, self.calls)
1656
 
 
1657
 
    def run_fetch(self, src_fmt, target_fmt, expect_pack_called):
1658
 
        self.expect_hint = expect_pack_called
1659
 
        self.calls = []
1660
 
        source_tree = self.make_branch_and_tree('src', format=src_fmt)
1661
 
        source_tree.lock_write()
1662
 
        self.addCleanup(source_tree.unlock)
1663
 
        tip = source_tree.commit('foo')
1664
 
        target = self.make_repository('target', format=target_fmt)
1665
 
        target.lock_write()
1666
 
        self.addCleanup(target.unlock)
1667
 
        source = source_tree.branch.repository
1668
 
        self.orig_pack = target.pack
1669
 
        target.pack = self.log_pack
1670
 
        target.fetch(source)
1671
 
        if expect_pack_called:
1672
 
            self.assertLength(1, self.calls)
1673
 
        else:
1674
 
            self.assertLength(0, self.calls)
1675
 
 
1676
 
    def test_sink_format_hint_no(self):
1677
 
        # When the target format says packing makes no difference, pack is not
1678
 
        # called.
1679
 
        self.run_stream('1.9', 'rich-root-pack', False)
1680
 
 
1681
 
    def test_sink_format_hint_yes(self):
1682
 
        # When the target format says packing makes a difference, pack is
1683
 
        # called.
1684
 
        self.run_stream('1.9', '2a', True)
1685
 
 
1686
 
    def test_sink_format_same_no(self):
1687
 
        # When the formats are the same, pack is not called.
1688
 
        self.run_stream('2a', '2a', False)
1689
 
 
1690
 
    def test_IDS_format_hint_no(self):
1691
 
        # When the target format says packing makes no difference, pack is not
1692
 
        # called.
1693
 
        self.run_fetch('1.9', 'rich-root-pack', False)
1694
 
 
1695
 
    def test_IDS_format_hint_yes(self):
1696
 
        # When the target format says packing makes a difference, pack is
1697
 
        # called.
1698
 
        self.run_fetch('1.9', '2a', True)
1699
 
 
1700
 
    def test_IDS_format_same_no(self):
1701
 
        # When the formats are the same, pack is not called.
1702
 
        self.run_fetch('2a', '2a', False)