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  • Committer: Robert Collins
  • Date: 2008-04-06 23:37:06 UTC
  • mto: This revision was merged to the branch mainline in revision 3340.
  • Revision ID: robertc@robertcollins.net-20080406233706-3md3w1c651a0pndm
Fix ReST table formatting in doc/developers/plugin-api.txt.

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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 import graph
 
36
from bzrlib.index import GraphIndex, InMemoryGraphIndex
39
37
from bzrlib.repository import RepositoryFormat
 
38
from bzrlib.smart import server
40
39
from bzrlib.tests import (
41
40
    TestCase,
42
41
    TestCaseWithTransport,
43
 
    )
44
 
from bzrlib.transport import (
45
 
    get_transport,
46
 
    )
 
42
    test_knit,
 
43
    )
 
44
from bzrlib.transport import get_transport
 
45
from bzrlib.transport.memory import MemoryServer
 
46
from bzrlib.util import bencode
47
47
from bzrlib import (
48
48
    bzrdir,
49
49
    errors,
50
50
    inventory,
51
 
    osutils,
 
51
    progress,
52
52
    repository,
53
53
    revision as _mod_revision,
 
54
    symbol_versioning,
54
55
    upgrade,
55
 
    versionedfile,
56
56
    workingtree,
57
57
    )
58
 
from bzrlib.repofmt import (
59
 
    groupcompress_repo,
60
 
    knitrepo,
61
 
    pack_repo,
62
 
    weaverepo,
63
 
    )
 
58
from bzrlib.repofmt import knitrepo, weaverepo, pack_repo
64
59
 
65
60
 
66
61
class TestDefaultFormat(TestCase):
95
90
class SampleRepositoryFormat(repository.RepositoryFormat):
96
91
    """A sample format
97
92
 
98
 
    this format is initializable, unsupported to aid in testing the
 
93
    this format is initializable, unsupported to aid in testing the 
99
94
    open and open(unsupported=True) routines.
100
95
    """
101
96
 
122
117
    def test_find_format(self):
123
118
        # is the right format object found for a repository?
124
119
        # create a branch with a few known format objects.
125
 
        # this is not quite the same as
 
120
        # this is not quite the same as 
126
121
        self.build_tree(["foo/", "bar/"])
127
122
        def check_format(format, url):
128
123
            dir = format._matchingbzrdir.initialize(url)
131
126
            found_format = repository.RepositoryFormat.find_format(dir)
132
127
            self.failUnless(isinstance(found_format, format.__class__))
133
128
        check_format(weaverepo.RepositoryFormat7(), "bar")
134
 
 
 
129
        
135
130
    def test_find_format_no_repository(self):
136
131
        dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
137
132
        self.assertRaises(errors.NoRepositoryPresent,
163
158
 
164
159
class TestFormat6(TestCaseWithTransport):
165
160
 
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
161
    def test_no_ancestry_weave(self):
185
162
        control = bzrdir.BzrDirFormat6().initialize(self.get_url())
186
163
        repo = weaverepo.RepositoryFormat6().initialize(control)
190
167
                          control.transport.get,
191
168
                          'ancestry.weave')
192
169
 
 
170
    def test_exposed_versioned_files_are_marked_dirty(self):
 
171
        control = bzrdir.BzrDirFormat6().initialize(self.get_url())
 
172
        repo = weaverepo.RepositoryFormat6().initialize(control)
 
173
        repo.lock_write()
 
174
        inv = repo.get_inventory_weave()
 
175
        repo.unlock()
 
176
        self.assertRaises(errors.OutSideTransaction,
 
177
            inv.add_lines, 'foo', [], [])
 
178
 
193
179
    def test_supports_external_lookups(self):
194
180
        control = bzrdir.BzrDirFormat6().initialize(self.get_url())
195
181
        repo = weaverepo.RepositoryFormat6().initialize(control)
197
183
 
198
184
 
199
185
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
 
 
 
186
    
219
187
    def test_disk_layout(self):
220
188
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
221
189
        repo = weaverepo.RepositoryFormat7().initialize(control)
237
205
                             'w\n'
238
206
                             'W\n',
239
207
                             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
208
 
267
209
    def test_shared_disk_layout(self):
268
210
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
291
233
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
292
234
        repo = weaverepo.RepositoryFormat7().initialize(control, shared=True)
293
235
        t = control.get_repository_transport(None)
294
 
        # TODO: Should check there is a 'lock' toplevel directory,
 
236
        # TODO: Should check there is a 'lock' toplevel directory, 
295
237
        # regardless of contents
296
238
        self.assertFalse(t.has('lock/held/info'))
297
239
        repo.lock_write()
343
285
                             'W\n',
344
286
                             t.get('inventory.weave').read())
345
287
 
 
288
    def test_exposed_versioned_files_are_marked_dirty(self):
 
289
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
 
290
        repo = weaverepo.RepositoryFormat7().initialize(control)
 
291
        repo.lock_write()
 
292
        inv = repo.get_inventory_weave()
 
293
        repo.unlock()
 
294
        self.assertRaises(errors.OutSideTransaction,
 
295
            inv.add_lines, 'foo', [], [])
 
296
 
346
297
    def test_supports_external_lookups(self):
347
298
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
348
299
        repo = weaverepo.RepositoryFormat7().initialize(control)
350
301
 
351
302
 
352
303
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
 
 
 
304
    
366
305
    def test_disk_layout(self):
367
306
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
368
307
        repo = knitrepo.RepositoryFormatKnit1().initialize(control)
382
321
        # self.assertEqualDiff('', t.get('lock').read())
383
322
        self.assertTrue(S_ISDIR(t.stat('knits').st_mode))
384
323
        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
324
 
394
 
    def assertHasKnit(self, t, knit_name, extra_content=''):
 
325
    def assertHasKnit(self, t, knit_name):
395
326
        """Assert that knit_name exists on t."""
396
 
        self.assertEqualDiff('# bzr knit index 8\n' + extra_content,
 
327
        self.assertEqualDiff('# bzr knit index 8\n',
397
328
                             t.get(knit_name + '.kndx').read())
 
329
        # no default content
 
330
        self.assertTrue(t.has(knit_name + '.knit'))
398
331
 
399
332
    def check_knits(self, t):
400
333
        """check knit content for a repository."""
444
377
        self.assertTrue(S_ISDIR(t.stat('knits').st_mode))
445
378
        self.check_knits(t)
446
379
 
 
380
    def test_exposed_versioned_files_are_marked_dirty(self):
 
381
        format = bzrdir.BzrDirMetaFormat1()
 
382
        format.repository_format = knitrepo.RepositoryFormatKnit1()
 
383
        repo = self.make_repository('.', format=format)
 
384
        repo.lock_write()
 
385
        inv = repo.get_inventory_weave()
 
386
        repo.unlock()
 
387
        self.assertRaises(errors.OutSideTransaction,
 
388
            inv.add_lines, 'foo', [], [])
 
389
 
447
390
    def test_deserialise_sets_root_revision(self):
448
391
        """We must have a inventory.root.revision
449
392
 
454
397
        repo = self.make_repository('.',
455
398
                format=bzrdir.format_registry.get('knit')())
456
399
        inv_xml = '<inventory format="5">\n</inventory>\n'
457
 
        inv = repo._deserialise_inventory('test-rev-id', inv_xml)
 
400
        inv = repo.deserialise_inventory('test-rev-id', inv_xml)
458
401
        self.assertEqual('test-rev-id', inv.root.revision)
459
402
 
460
403
    def test_deserialise_uses_global_revision_id(self):
466
409
        # Arguably, the deserialise_inventory should detect a mismatch, and
467
410
        # raise an error, rather than silently using one revision_id over the
468
411
        # other.
469
 
        self.assertRaises(AssertionError, repo._deserialise_inventory,
 
412
        self.assertRaises(AssertionError, repo.deserialise_inventory,
470
413
            'test-rev-id', inv_xml)
471
 
        inv = repo._deserialise_inventory('other-rev-id', inv_xml)
 
414
        inv = repo.deserialise_inventory('other-rev-id', inv_xml)
472
415
        self.assertEqual('other-rev-id', inv.root.revision)
473
416
 
474
417
    def test_supports_external_lookups(self):
477
420
        self.assertFalse(repo._format.supports_external_lookups)
478
421
 
479
422
 
 
423
class KnitRepositoryStreamTests(test_knit.KnitTests):
 
424
    """Tests for knitrepo._get_stream_as_bytes."""
 
425
 
 
426
    def test_get_stream_as_bytes(self):
 
427
        # Make a simple knit
 
428
        k1 = self.make_test_knit()
 
429
        k1.add_lines('text-a', [], test_knit.split_lines(test_knit.TEXT_1))
 
430
        
 
431
        # Serialise it, check the output.
 
432
        bytes = knitrepo._get_stream_as_bytes(k1, ['text-a'])
 
433
        data = bencode.bdecode(bytes)
 
434
        format, record = data
 
435
        self.assertEqual('knit-plain', format)
 
436
        self.assertEqual(['text-a', ['fulltext'], []], record[:3])
 
437
        self.assertRecordContentEqual(k1, 'text-a', record[3])
 
438
 
 
439
    def test_get_stream_as_bytes_all(self):
 
440
        """Get a serialised data stream for all the records in a knit.
 
441
 
 
442
        Much like test_get_stream_all, except for get_stream_as_bytes.
 
443
        """
 
444
        k1 = self.make_test_knit()
 
445
        # Insert the same data as BasicKnitTests.test_knit_join, as they seem
 
446
        # to cover a range of cases (no parents, one parent, multiple parents).
 
447
        test_data = [
 
448
            ('text-a', [], test_knit.TEXT_1),
 
449
            ('text-b', ['text-a'], test_knit.TEXT_1),
 
450
            ('text-c', [], test_knit.TEXT_1),
 
451
            ('text-d', ['text-c'], test_knit.TEXT_1),
 
452
            ('text-m', ['text-b', 'text-d'], test_knit.TEXT_1),
 
453
           ]
 
454
        # This test is actually a bit strict as the order in which they're
 
455
        # returned is not defined.  This matches the current (deterministic)
 
456
        # behaviour.
 
457
        expected_data_list = [
 
458
            # version, options, parents
 
459
            ('text-a', ['fulltext'], []),
 
460
            ('text-b', ['line-delta'], ['text-a']),
 
461
            ('text-m', ['line-delta'], ['text-b', 'text-d']),
 
462
            ('text-c', ['fulltext'], []),
 
463
            ('text-d', ['line-delta'], ['text-c']),
 
464
            ]
 
465
        for version_id, parents, lines in test_data:
 
466
            k1.add_lines(version_id, parents, test_knit.split_lines(lines))
 
467
 
 
468
        bytes = knitrepo._get_stream_as_bytes(
 
469
            k1, ['text-a', 'text-b', 'text-m', 'text-c', 'text-d', ])
 
470
 
 
471
        data = bencode.bdecode(bytes)
 
472
        format = data.pop(0)
 
473
        self.assertEqual('knit-plain', format)
 
474
 
 
475
        for expected, actual in zip(expected_data_list, data):
 
476
            expected_version = expected[0]
 
477
            expected_options = expected[1]
 
478
            expected_parents = expected[2]
 
479
            version, options, parents, bytes = actual
 
480
            self.assertEqual(expected_version, version)
 
481
            self.assertEqual(expected_options, options)
 
482
            self.assertEqual(expected_parents, parents)
 
483
            self.assertRecordContentEqual(k1, version, bytes)
 
484
 
 
485
 
480
486
class DummyRepository(object):
481
487
    """A dummy repository for testing."""
482
488
 
483
 
    _format = None
484
489
    _serializer = None
485
490
 
486
491
    def supports_rich_root(self):
487
 
        if self._format is not None:
488
 
            return self._format.rich_root_data
489
492
        return False
490
493
 
491
 
    def get_graph(self):
492
 
        raise NotImplementedError
493
 
 
494
 
    def get_parent_map(self, revision_ids):
495
 
        raise NotImplementedError
496
 
 
497
494
 
498
495
class InterDummy(repository.InterRepository):
499
496
    """An inter-repository optimised code path for DummyRepository.
506
503
    @staticmethod
507
504
    def is_compatible(repo_source, repo_target):
508
505
        """InterDummy is compatible with DummyRepository."""
509
 
        return (isinstance(repo_source, DummyRepository) and
 
506
        return (isinstance(repo_source, DummyRepository) and 
510
507
            isinstance(repo_target, DummyRepository))
511
508
 
512
509
 
525
522
 
526
523
    def assertGetsDefaultInterRepository(self, repo_a, repo_b):
527
524
        """Asserts that InterRepository.get(repo_a, repo_b) -> the default.
528
 
 
 
525
        
529
526
        The effective default is now InterSameDataRepository because there is
530
527
        no actual sane default in the presence of incompatible data models.
531
528
        """
542
539
        # pair that it returns true on for the is_compatible static method
543
540
        # check
544
541
        dummy_a = DummyRepository()
545
 
        dummy_a._format = RepositoryFormat()
546
542
        dummy_b = DummyRepository()
547
 
        dummy_b._format = RepositoryFormat()
548
543
        repo = self.make_repository('.')
549
544
        # hack dummies to look like repo somewhat.
550
545
        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
546
        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
547
        repository.InterRepository.register_optimiser(InterDummy)
557
548
        try:
558
549
            # we should get the default for something InterDummy returns False
602
593
                                                        repo_b).__class__)
603
594
 
604
595
 
 
596
class TestInterRemoteToOther(TestCaseWithTransport):
 
597
 
 
598
    def make_remote_repository(self, path, backing_format=None):
 
599
        """Make a RemoteRepository object backed by a real repository that will
 
600
        be created at the given path."""
 
601
        self.make_repository(path, format=backing_format)
 
602
        smart_server = server.SmartTCPServer_for_testing()
 
603
        smart_server.setUp()
 
604
        remote_transport = get_transport(smart_server.get_url()).clone(path)
 
605
        self.addCleanup(smart_server.tearDown)
 
606
        remote_bzrdir = bzrdir.BzrDir.open_from_transport(remote_transport)
 
607
        remote_repo = remote_bzrdir.open_repository()
 
608
        return remote_repo
 
609
 
 
610
    def test_is_compatible_same_format(self):
 
611
        """InterRemoteToOther is compatible with a remote repository and a
 
612
        second repository that have the same format."""
 
613
        local_repo = self.make_repository('local')
 
614
        remote_repo = self.make_remote_repository('remote')
 
615
        is_compatible = repository.InterRemoteToOther.is_compatible
 
616
        self.assertTrue(
 
617
            is_compatible(remote_repo, local_repo),
 
618
            "InterRemoteToOther(%r, %r) is false" % (remote_repo, local_repo))
 
619
          
 
620
    def test_is_incompatible_different_format(self):
 
621
        local_repo = self.make_repository('local', 'dirstate')
 
622
        remote_repo = self.make_remote_repository('a', 'dirstate-with-subtree')
 
623
        is_compatible = repository.InterRemoteToOther.is_compatible
 
624
        self.assertFalse(
 
625
            is_compatible(remote_repo, local_repo),
 
626
            "InterRemoteToOther(%r, %r) is true" % (local_repo, remote_repo))
 
627
 
 
628
    def test_is_incompatible_different_format_both_remote(self):
 
629
        remote_repo_a = self.make_remote_repository(
 
630
            'a', 'dirstate-with-subtree')
 
631
        remote_repo_b = self.make_remote_repository('b', 'dirstate')
 
632
        is_compatible = repository.InterRemoteToOther.is_compatible
 
633
        self.assertFalse(
 
634
            is_compatible(remote_repo_a, remote_repo_b),
 
635
            "InterRemoteToOther(%r, %r) is true"
 
636
            % (remote_repo_a, remote_repo_b))
 
637
 
 
638
 
605
639
class TestRepositoryConverter(TestCaseWithTransport):
606
640
 
607
641
    def test_convert_empty(self):
621
655
 
622
656
 
623
657
class TestMisc(TestCase):
624
 
 
 
658
    
625
659
    def test_unescape_xml(self):
626
660
        """We get some kind of error when malformed entities are passed"""
627
 
        self.assertRaises(KeyError, repository._unescape_xml, 'foo&bar;')
 
661
        self.assertRaises(KeyError, repository._unescape_xml, 'foo&bar;') 
628
662
 
629
663
 
630
664
class TestRepositoryFormatKnit3(TestCaseWithTransport):
631
665
 
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
666
    def test_convert(self):
647
667
        """Ensure the upgrade adds weaves for roots"""
648
668
        format = bzrdir.BzrDirMetaFormat1()
650
670
        tree = self.make_branch_and_tree('.', format)
651
671
        tree.commit("Dull commit", rev_id="dull")
652
672
        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()
 
673
        self.assertRaises(errors.NoSuchFile, revision_tree.get_file_lines,
 
674
            revision_tree.inventory.root.file_id)
659
675
        format = bzrdir.BzrDirMetaFormat1()
660
676
        format.repository_format = knitrepo.RepositoryFormatKnit3()
661
677
        upgrade.Convert('.', format)
662
678
        tree = workingtree.WorkingTree.open('.')
663
679
        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()
 
680
        revision_tree.get_file_lines(revision_tree.inventory.root.file_id)
669
681
        tree.commit("Another dull commit", rev_id='dull2')
670
682
        revision_tree = tree.branch.repository.revision_tree('dull2')
671
 
        revision_tree.lock_read()
672
 
        self.addCleanup(revision_tree.unlock)
673
683
        self.assertEqual('dull', revision_tree.inventory.root.revision)
674
684
 
 
685
    def test_exposed_versioned_files_are_marked_dirty(self):
 
686
        format = bzrdir.BzrDirMetaFormat1()
 
687
        format.repository_format = knitrepo.RepositoryFormatKnit3()
 
688
        repo = self.make_repository('.', format=format)
 
689
        repo.lock_write()
 
690
        inv = repo.get_inventory_weave()
 
691
        repo.unlock()
 
692
        self.assertRaises(errors.OutSideTransaction,
 
693
            inv.add_lines, 'foo', [], [])
 
694
 
675
695
    def test_supports_external_lookups(self):
676
696
        format = bzrdir.BzrDirMetaFormat1()
677
697
        format.repository_format = knitrepo.RepositoryFormatKnit3()
679
699
        self.assertFalse(repo._format.supports_external_lookups)
680
700
 
681
701
 
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)
1011
 
 
1012
 
 
1013
702
class TestWithBrokenRepo(TestCaseWithTransport):
1014
703
    """These tests seem to be more appropriate as interface tests?"""
1015
704
 
1028
717
            inv = inventory.Inventory(revision_id='rev1a')
1029
718
            inv.root.revision = 'rev1a'
1030
719
            self.add_file(repo, inv, 'file1', 'rev1a', [])
1031
 
            repo.texts.add_lines((inv.root.file_id, 'rev1a'), [], [])
1032
720
            repo.add_inventory('rev1a', inv, [])
1033
721
            revision = _mod_revision.Revision('rev1a',
1034
722
                committer='jrandom@example.com', timestamp=0,
1069
757
    def add_revision(self, repo, revision_id, inv, parent_ids):
1070
758
        inv.revision_id = revision_id
1071
759
        inv.root.revision = revision_id
1072
 
        repo.texts.add_lines((inv.root.file_id, revision_id), [], [])
1073
760
        repo.add_inventory(revision_id, inv, parent_ids)
1074
761
        revision = _mod_revision.Revision(revision_id,
1075
762
            committer='jrandom@example.com', timestamp=0, inventory_sha1='',
1082
769
        entry.revision = revision
1083
770
        entry.text_size = 0
1084
771
        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'])
 
772
        vf = repo.weave_store.get_weave_or_empty(file_id,
 
773
                                                 repo.get_transaction())
 
774
        vf.add_lines(revision, parents, ['line\n'])
1088
775
 
1089
776
    def test_insert_from_broken_repo(self):
1090
777
        """Inserting a data stream from a broken repository won't silently
1092
779
        """
1093
780
        broken_repo = self.make_broken_repository()
1094
781
        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()
 
782
        search = graph.SearchResult(set(['rev1a', 'rev2', 'rev3']),
 
783
            set(), 3, ['rev1a', 'rev2', 'rev3'])
 
784
        stream = broken_repo.get_data_stream_for_search(search)
 
785
        empty_repo.lock_write()
1102
786
        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'))
 
787
        empty_repo.start_write_group()
 
788
        try:
 
789
            self.assertRaises(
 
790
                errors.KnitCorrupt, empty_repo.insert_data_stream, stream)
 
791
        finally:
 
792
            empty_repo.abort_write_group()
 
793
 
 
794
 
 
795
class TestKnitPackNoSubtrees(TestCaseWithTransport):
 
796
 
 
797
    def get_format(self):
 
798
        return bzrdir.format_registry.make_bzrdir('pack-0.92')
 
799
 
 
800
    def test_disk_layout(self):
 
801
        format = self.get_format()
 
802
        repo = self.make_repository('.', format=format)
 
803
        # in case of side effects of locking.
 
804
        repo.lock_write()
 
805
        repo.unlock()
 
806
        t = repo.bzrdir.get_repository_transport(None)
 
807
        self.check_format(t)
 
808
        # XXX: no locks left when unlocked at the moment
 
809
        # self.assertEqualDiff('', t.get('lock').read())
 
810
        self.check_databases(t)
 
811
 
 
812
    def check_format(self, t):
 
813
        self.assertEqualDiff(
 
814
            "Bazaar pack repository format 1 (needs bzr 0.92)\n",
 
815
                             t.get('format').read())
 
816
 
 
817
    def assertHasKndx(self, t, knit_name):
 
818
        """Assert that knit_name exists on t."""
 
819
        self.assertEqualDiff('# bzr knit index 8\n',
 
820
                             t.get(knit_name + '.kndx').read())
 
821
 
 
822
    def assertHasNoKndx(self, t, knit_name):
 
823
        """Assert that knit_name has no index on t."""
 
824
        self.assertFalse(t.has(knit_name + '.kndx'))
 
825
 
 
826
    def assertHasNoKnit(self, t, knit_name):
 
827
        """Assert that knit_name exists on t."""
 
828
        # no default content
 
829
        self.assertFalse(t.has(knit_name + '.knit'))
 
830
 
 
831
    def check_databases(self, t):
 
832
        """check knit content for a repository."""
 
833
        # check conversion worked
 
834
        self.assertHasNoKndx(t, 'inventory')
 
835
        self.assertHasNoKnit(t, 'inventory')
 
836
        self.assertHasNoKndx(t, 'revisions')
 
837
        self.assertHasNoKnit(t, 'revisions')
 
838
        self.assertHasNoKndx(t, 'signatures')
 
839
        self.assertHasNoKnit(t, 'signatures')
 
840
        self.assertFalse(t.has('knits'))
 
841
        # revision-indexes file-container directory
 
842
        self.assertEqual([],
 
843
            list(GraphIndex(t, 'pack-names', None).iter_all_entries()))
 
844
        self.assertTrue(S_ISDIR(t.stat('packs').st_mode))
 
845
        self.assertTrue(S_ISDIR(t.stat('upload').st_mode))
 
846
        self.assertTrue(S_ISDIR(t.stat('indices').st_mode))
 
847
        self.assertTrue(S_ISDIR(t.stat('obsolete_packs').st_mode))
 
848
 
 
849
    def test_shared_disk_layout(self):
 
850
        format = self.get_format()
 
851
        repo = self.make_repository('.', shared=True, format=format)
 
852
        # we want:
 
853
        t = repo.bzrdir.get_repository_transport(None)
 
854
        self.check_format(t)
 
855
        # XXX: no locks left when unlocked at the moment
 
856
        # self.assertEqualDiff('', t.get('lock').read())
 
857
        # We should have a 'shared-storage' marker file.
 
858
        self.assertEqualDiff('', t.get('shared-storage').read())
 
859
        self.check_databases(t)
 
860
 
 
861
    def test_shared_no_tree_disk_layout(self):
 
862
        format = self.get_format()
 
863
        repo = self.make_repository('.', shared=True, format=format)
 
864
        repo.set_make_working_trees(False)
 
865
        # we want:
 
866
        t = repo.bzrdir.get_repository_transport(None)
 
867
        self.check_format(t)
 
868
        # XXX: no locks left when unlocked at the moment
 
869
        # self.assertEqualDiff('', t.get('lock').read())
 
870
        # We should have a 'shared-storage' marker file.
 
871
        self.assertEqualDiff('', t.get('shared-storage').read())
 
872
        # We should have a marker for the no-working-trees flag.
 
873
        self.assertEqualDiff('', t.get('no-working-trees').read())
 
874
        # The marker should go when we toggle the setting.
 
875
        repo.set_make_working_trees(True)
 
876
        self.assertFalse(t.has('no-working-trees'))
 
877
        self.check_databases(t)
 
878
 
 
879
    def test_adding_revision_creates_pack_indices(self):
 
880
        format = self.get_format()
 
881
        tree = self.make_branch_and_tree('.', format=format)
 
882
        trans = tree.branch.repository.bzrdir.get_repository_transport(None)
 
883
        self.assertEqual([],
 
884
            list(GraphIndex(trans, 'pack-names', None).iter_all_entries()))
 
885
        tree.commit('foobarbaz')
 
886
        index = GraphIndex(trans, 'pack-names', None)
 
887
        index_nodes = list(index.iter_all_entries())
 
888
        self.assertEqual(1, len(index_nodes))
 
889
        node = index_nodes[0]
 
890
        name = node[1][0]
 
891
        # the pack sizes should be listed in the index
 
892
        pack_value = node[2]
 
893
        sizes = [int(digits) for digits in pack_value.split(' ')]
 
894
        for size, suffix in zip(sizes, ['.rix', '.iix', '.tix', '.six']):
 
895
            stat = trans.stat('indices/%s%s' % (name, suffix))
 
896
            self.assertEqual(size, stat.st_size)
 
897
 
 
898
    def test_pulling_nothing_leads_to_no_new_names(self):
 
899
        format = self.get_format()
 
900
        tree1 = self.make_branch_and_tree('1', format=format)
 
901
        tree2 = self.make_branch_and_tree('2', format=format)
 
902
        tree1.branch.repository.fetch(tree2.branch.repository)
 
903
        trans = tree1.branch.repository.bzrdir.get_repository_transport(None)
 
904
        self.assertEqual([],
 
905
            list(GraphIndex(trans, 'pack-names', None).iter_all_entries()))
 
906
 
 
907
    def test_commit_across_pack_shape_boundary_autopacks(self):
 
908
        format = self.get_format()
 
909
        tree = self.make_branch_and_tree('.', format=format)
 
910
        trans = tree.branch.repository.bzrdir.get_repository_transport(None)
 
911
        # This test could be a little cheaper by replacing the packs
 
912
        # attribute on the repository to allow a different pack distribution
 
913
        # and max packs policy - so we are checking the policy is honoured
 
914
        # in the test. But for now 11 commits is not a big deal in a single
 
915
        # test.
 
916
        for x in range(9):
 
917
            tree.commit('commit %s' % x)
 
918
        # there should be 9 packs:
 
919
        index = GraphIndex(trans, 'pack-names', None)
 
920
        self.assertEqual(9, len(list(index.iter_all_entries())))
 
921
        # insert some files in obsolete_packs which should be removed by pack.
 
922
        trans.put_bytes('obsolete_packs/foo', '123')
 
923
        trans.put_bytes('obsolete_packs/bar', '321')
 
924
        # committing one more should coalesce to 1 of 10.
 
925
        tree.commit('commit triggering pack')
 
926
        index = GraphIndex(trans, 'pack-names', None)
 
927
        self.assertEqual(1, len(list(index.iter_all_entries())))
 
928
        # packing should not damage data
 
929
        tree = tree.bzrdir.open_workingtree()
 
930
        check_result = tree.branch.repository.check(
 
931
            [tree.branch.last_revision()])
 
932
        # We should have 50 (10x5) files in the obsolete_packs directory.
 
933
        obsolete_files = list(trans.list_dir('obsolete_packs'))
 
934
        self.assertFalse('foo' in obsolete_files)
 
935
        self.assertFalse('bar' in obsolete_files)
 
936
        self.assertEqual(50, len(obsolete_files))
 
937
        # XXX: Todo check packs obsoleted correctly - old packs and indices
 
938
        # in the obsolete_packs directory.
 
939
        large_pack_name = list(index.iter_all_entries())[0][1][0]
 
940
        # finally, committing again should not touch the large pack.
 
941
        tree.commit('commit not triggering pack')
 
942
        index = GraphIndex(trans, 'pack-names', None)
 
943
        self.assertEqual(2, len(list(index.iter_all_entries())))
 
944
        pack_names = [node[1][0] for node in index.iter_all_entries()]
 
945
        self.assertTrue(large_pack_name in pack_names)
 
946
 
 
947
    def test_pack_after_two_commits_packs_everything(self):
 
948
        format = self.get_format()
 
949
        tree = self.make_branch_and_tree('.', format=format)
 
950
        trans = tree.branch.repository.bzrdir.get_repository_transport(None)
 
951
        tree.commit('start')
 
952
        tree.commit('more work')
 
953
        tree.branch.repository.pack()
 
954
        # there should be 1 pack:
 
955
        index = GraphIndex(trans, 'pack-names', None)
 
956
        self.assertEqual(1, len(list(index.iter_all_entries())))
 
957
        self.assertEqual(2, len(tree.branch.repository.all_revision_ids()))
 
958
 
 
959
    def test_pack_layout(self):
 
960
        format = self.get_format()
 
961
        tree = self.make_branch_and_tree('.', format=format)
 
962
        trans = tree.branch.repository.bzrdir.get_repository_transport(None)
 
963
        tree.commit('start', rev_id='1')
 
964
        tree.commit('more work', rev_id='2')
 
965
        tree.branch.repository.pack()
 
966
        tree.lock_read()
 
967
        self.addCleanup(tree.unlock)
 
968
        pack = tree.branch.repository._pack_collection.get_pack_by_name(
 
969
            tree.branch.repository._pack_collection.names()[0])
 
970
        # revision access tends to be tip->ancestor, so ordering that way on 
 
971
        # disk is a good idea.
 
972
        for _1, key, val, refs in pack.revision_index.iter_all_entries():
 
973
            if key == ('1',):
 
974
                pos_1 = int(val[1:].split()[0])
 
975
            else:
 
976
                pos_2 = int(val[1:].split()[0])
 
977
        self.assertTrue(pos_2 < pos_1)
 
978
 
 
979
    def test_pack_repositories_support_multiple_write_locks(self):
 
980
        format = self.get_format()
 
981
        self.make_repository('.', shared=True, format=format)
 
982
        r1 = repository.Repository.open('.')
 
983
        r2 = repository.Repository.open('.')
 
984
        r1.lock_write()
 
985
        self.addCleanup(r1.unlock)
 
986
        r2.lock_write()
 
987
        r2.unlock()
 
988
 
 
989
    def _add_text(self, repo, fileid):
 
990
        """Add a text to the repository within a write group."""
 
991
        vf =repo.weave_store.get_weave(fileid, repo.get_transaction())
 
992
        vf.add_lines('samplerev+' + fileid, [], [])
 
993
 
 
994
    def test_concurrent_writers_merge_new_packs(self):
 
995
        format = self.get_format()
 
996
        self.make_repository('.', shared=True, format=format)
 
997
        r1 = repository.Repository.open('.')
 
998
        r2 = repository.Repository.open('.')
 
999
        r1.lock_write()
 
1000
        try:
 
1001
            # access enough data to load the names list
 
1002
            list(r1.all_revision_ids())
 
1003
            r2.lock_write()
 
1004
            try:
 
1005
                # access enough data to load the names list
 
1006
                list(r2.all_revision_ids())
 
1007
                r1.start_write_group()
 
1008
                try:
 
1009
                    r2.start_write_group()
 
1010
                    try:
 
1011
                        self._add_text(r1, 'fileidr1')
 
1012
                        self._add_text(r2, 'fileidr2')
 
1013
                    except:
 
1014
                        r2.abort_write_group()
 
1015
                        raise
 
1016
                except:
 
1017
                    r1.abort_write_group()
 
1018
                    raise
 
1019
                # both r1 and r2 have open write groups with data in them
 
1020
                # created while the other's write group was open.
 
1021
                # Commit both which requires a merge to the pack-names.
 
1022
                try:
 
1023
                    r1.commit_write_group()
 
1024
                except:
 
1025
                    r1.abort_write_group()
 
1026
                    r2.abort_write_group()
 
1027
                    raise
 
1028
                r2.commit_write_group()
 
1029
                # tell r1 to reload from disk
 
1030
                r1._pack_collection.reset()
 
1031
                # Now both repositories should know about both names
 
1032
                r1._pack_collection.ensure_loaded()
 
1033
                r2._pack_collection.ensure_loaded()
 
1034
                self.assertEqual(r1._pack_collection.names(), r2._pack_collection.names())
 
1035
                self.assertEqual(2, len(r1._pack_collection.names()))
 
1036
            finally:
 
1037
                r2.unlock()
 
1038
        finally:
 
1039
            r1.unlock()
 
1040
 
 
1041
    def test_concurrent_writer_second_preserves_dropping_a_pack(self):
 
1042
        format = self.get_format()
 
1043
        self.make_repository('.', shared=True, format=format)
 
1044
        r1 = repository.Repository.open('.')
 
1045
        r2 = repository.Repository.open('.')
 
1046
        # add a pack to drop
 
1047
        r1.lock_write()
 
1048
        try:
 
1049
            r1.start_write_group()
 
1050
            try:
 
1051
                self._add_text(r1, 'fileidr1')
 
1052
            except:
 
1053
                r1.abort_write_group()
 
1054
                raise
 
1055
            else:
 
1056
                r1.commit_write_group()
 
1057
            r1._pack_collection.ensure_loaded()
 
1058
            name_to_drop = r1._pack_collection.all_packs()[0].name
 
1059
        finally:
 
1060
            r1.unlock()
 
1061
        r1.lock_write()
 
1062
        try:
 
1063
            # access enough data to load the names list
 
1064
            list(r1.all_revision_ids())
 
1065
            r2.lock_write()
 
1066
            try:
 
1067
                # access enough data to load the names list
 
1068
                list(r2.all_revision_ids())
 
1069
                r1._pack_collection.ensure_loaded()
 
1070
                try:
 
1071
                    r2.start_write_group()
 
1072
                    try:
 
1073
                        # in r1, drop the pack
 
1074
                        r1._pack_collection._remove_pack_from_memory(
 
1075
                            r1._pack_collection.get_pack_by_name(name_to_drop))
 
1076
                        # in r2, add a pack
 
1077
                        self._add_text(r2, 'fileidr2')
 
1078
                    except:
 
1079
                        r2.abort_write_group()
 
1080
                        raise
 
1081
                except:
 
1082
                    r1._pack_collection.reset()
 
1083
                    raise
 
1084
                # r1 has a changed names list, and r2 an open write groups with
 
1085
                # changes.
 
1086
                # save r1, and then commit the r2 write group, which requires a
 
1087
                # merge to the pack-names, which should not reinstate
 
1088
                # name_to_drop
 
1089
                try:
 
1090
                    r1._pack_collection._save_pack_names()
 
1091
                    r1._pack_collection.reset()
 
1092
                except:
 
1093
                    r2.abort_write_group()
 
1094
                    raise
 
1095
                try:
 
1096
                    r2.commit_write_group()
 
1097
                except:
 
1098
                    r2.abort_write_group()
 
1099
                    raise
 
1100
                # Now both repositories should now about just one name.
 
1101
                r1._pack_collection.ensure_loaded()
 
1102
                r2._pack_collection.ensure_loaded()
 
1103
                self.assertEqual(r1._pack_collection.names(), r2._pack_collection.names())
 
1104
                self.assertEqual(1, len(r1._pack_collection.names()))
 
1105
                self.assertFalse(name_to_drop in r1._pack_collection.names())
 
1106
            finally:
 
1107
                r2.unlock()
 
1108
        finally:
 
1109
            r1.unlock()
 
1110
 
 
1111
    def test_lock_write_does_not_physically_lock(self):
 
1112
        repo = self.make_repository('.', format=self.get_format())
 
1113
        repo.lock_write()
 
1114
        self.addCleanup(repo.unlock)
 
1115
        self.assertFalse(repo.get_physical_lock_status())
 
1116
 
 
1117
    def prepare_for_break_lock(self):
 
1118
        # Setup the global ui factory state so that a break-lock method call
 
1119
        # will find usable input in the input stream.
 
1120
        old_factory = bzrlib.ui.ui_factory
 
1121
        def restoreFactory():
 
1122
            bzrlib.ui.ui_factory = old_factory
 
1123
        self.addCleanup(restoreFactory)
 
1124
        bzrlib.ui.ui_factory = bzrlib.ui.SilentUIFactory()
 
1125
        bzrlib.ui.ui_factory.stdin = StringIO("y\n")
 
1126
 
 
1127
    def test_break_lock_breaks_physical_lock(self):
 
1128
        repo = self.make_repository('.', format=self.get_format())
 
1129
        repo._pack_collection.lock_names()
 
1130
        repo2 = repository.Repository.open('.')
 
1131
        self.assertTrue(repo.get_physical_lock_status())
 
1132
        self.prepare_for_break_lock()
 
1133
        repo2.break_lock()
 
1134
        self.assertFalse(repo.get_physical_lock_status())
 
1135
 
 
1136
    def test_broken_physical_locks_error_on__unlock_names_lock(self):
 
1137
        repo = self.make_repository('.', format=self.get_format())
 
1138
        repo._pack_collection.lock_names()
 
1139
        self.assertTrue(repo.get_physical_lock_status())
 
1140
        repo2 = repository.Repository.open('.')
 
1141
        self.prepare_for_break_lock()
 
1142
        repo2.break_lock()
 
1143
        self.assertRaises(errors.LockBroken, repo._pack_collection._unlock_names)
 
1144
 
 
1145
    def test_fetch_without_find_ghosts_ignores_ghosts(self):
 
1146
        # we want two repositories at this point:
 
1147
        # one with a revision that is a ghost in the other
 
1148
        # repository.
 
1149
        # 'ghost' is present in has_ghost, 'ghost' is absent in 'missing_ghost'.
 
1150
        # 'references' is present in both repositories, and 'tip' is present
 
1151
        # just in has_ghost.
 
1152
        # has_ghost       missing_ghost
 
1153
        #------------------------------
 
1154
        # 'ghost'             -
 
1155
        # 'references'    'references'
 
1156
        # 'tip'               -
 
1157
        # In this test we fetch 'tip' which should not fetch 'ghost'
 
1158
        has_ghost = self.make_repository('has_ghost', format=self.get_format())
 
1159
        missing_ghost = self.make_repository('missing_ghost',
 
1160
            format=self.get_format())
 
1161
 
 
1162
        def add_commit(repo, revision_id, parent_ids):
 
1163
            repo.lock_write()
 
1164
            repo.start_write_group()
 
1165
            inv = inventory.Inventory(revision_id=revision_id)
 
1166
            inv.root.revision = revision_id
 
1167
            root_id = inv.root.file_id
 
1168
            sha1 = repo.add_inventory(revision_id, inv, [])
 
1169
            vf = repo.weave_store.get_weave_or_empty(root_id,
 
1170
                repo.get_transaction())
 
1171
            vf.add_lines(revision_id, [], [])
 
1172
            rev = bzrlib.revision.Revision(timestamp=0,
 
1173
                                           timezone=None,
 
1174
                                           committer="Foo Bar <foo@example.com>",
 
1175
                                           message="Message",
 
1176
                                           inventory_sha1=sha1,
 
1177
                                           revision_id=revision_id)
 
1178
            rev.parent_ids = parent_ids
 
1179
            repo.add_revision(revision_id, rev)
 
1180
            repo.commit_write_group()
 
1181
            repo.unlock()
 
1182
        add_commit(has_ghost, 'ghost', [])
 
1183
        add_commit(has_ghost, 'references', ['ghost'])
 
1184
        add_commit(missing_ghost, 'references', ['ghost'])
 
1185
        add_commit(has_ghost, 'tip', ['references'])
 
1186
        missing_ghost.fetch(has_ghost, 'tip')
 
1187
        # missing ghost now has tip and not ghost.
 
1188
        rev = missing_ghost.get_revision('tip')
 
1189
        inv = missing_ghost.get_inventory('tip')
 
1190
        self.assertRaises(errors.NoSuchRevision,
 
1191
            missing_ghost.get_revision, 'ghost')
 
1192
        self.assertRaises(errors.RevisionNotPresent,
 
1193
            missing_ghost.get_inventory, 'ghost')
 
1194
 
 
1195
    def test_supports_external_lookups(self):
 
1196
        repo = self.make_repository('.', format=self.get_format())
 
1197
        self.assertFalse(repo._format.supports_external_lookups)
 
1198
 
 
1199
 
 
1200
class TestKnitPackSubtrees(TestKnitPackNoSubtrees):
 
1201
 
 
1202
    def get_format(self):
 
1203
        return bzrdir.format_registry.make_bzrdir(
 
1204
            'pack-0.92-subtree')
 
1205
 
 
1206
    def check_format(self, t):
 
1207
        self.assertEqualDiff(
 
1208
            "Bazaar pack repository format 1 with subtree support (needs bzr 0.92)\n",
 
1209
            t.get('format').read())
 
1210
 
 
1211
 
 
1212
class TestDevelopment0(TestKnitPackNoSubtrees):
 
1213
 
 
1214
    def get_format(self):
 
1215
        return bzrdir.format_registry.make_bzrdir(
 
1216
            'development')
 
1217
 
 
1218
    def check_format(self, t):
 
1219
        self.assertEqualDiff(
 
1220
            "Bazaar development format 0 (needs bzr.dev from before 1.3)\n",
 
1221
            t.get('format').read())
 
1222
 
 
1223
 
 
1224
class TestDevelopment0Subtree(TestKnitPackNoSubtrees):
 
1225
 
 
1226
    def get_format(self):
 
1227
        return bzrdir.format_registry.make_bzrdir(
 
1228
            'development-subtree')
 
1229
 
 
1230
    def check_format(self, t):
 
1231
        self.assertEqualDiff(
 
1232
            "Bazaar development format 0 with subtree support "
 
1233
            "(needs bzr.dev from before 1.3)\n",
 
1234
            t.get('format').read())
1106
1235
 
1107
1236
 
1108
1237
class TestRepositoryPackCollection(TestCaseWithTransport):
1110
1239
    def get_format(self):
1111
1240
        return bzrdir.format_registry.make_bzrdir('pack-0.92')
1112
1241
 
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('.')))
1160
 
 
1161
1242
    def test__max_pack_count(self):
1162
1243
        """The maximum pack count is a function of the number of revisions."""
 
1244
        format = self.get_format()
 
1245
        repo = self.make_repository('.', format=format)
 
1246
        packs = repo._pack_collection
1163
1247
        # no revisions - one pack, so that we can have a revision free repo
1164
1248
        # without it blowing up
1165
 
        packs = self.get_packs()
1166
1249
        self.assertEqual(1, packs._max_pack_count(0))
1167
1250
        # after that the sum of the digits, - check the first 1-9
1168
1251
        self.assertEqual(1, packs._max_pack_count(1))
1183
1266
        # check some arbitrary big numbers
1184
1267
        self.assertEqual(25, packs._max_pack_count(112894))
1185
1268
 
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
1269
    def test_pack_distribution_zero(self):
1214
 
        packs = self.get_packs()
 
1270
        format = self.get_format()
 
1271
        repo = self.make_repository('.', format=format)
 
1272
        packs = repo._pack_collection
1215
1273
        self.assertEqual([0], packs.pack_distribution(0))
1216
1274
 
1217
1275
    def test_ensure_loaded_unlocked(self):
1218
 
        packs = self.get_packs()
 
1276
        format = self.get_format()
 
1277
        repo = self.make_repository('.', format=format)
1219
1278
        self.assertRaises(errors.ObjectNotLocked,
1220
 
                          packs.ensure_loaded)
 
1279
                          repo._pack_collection.ensure_loaded)
1221
1280
 
1222
1281
    def test_pack_distribution_one_to_nine(self):
1223
 
        packs = self.get_packs()
 
1282
        format = self.get_format()
 
1283
        repo = self.make_repository('.', format=format)
 
1284
        packs = repo._pack_collection
1224
1285
        self.assertEqual([1],
1225
1286
            packs.pack_distribution(1))
1226
1287
        self.assertEqual([1, 1],
1242
1303
 
1243
1304
    def test_pack_distribution_stable_at_boundaries(self):
1244
1305
        """When there are multi-rev packs the counts are stable."""
1245
 
        packs = self.get_packs()
 
1306
        format = self.get_format()
 
1307
        repo = self.make_repository('.', format=format)
 
1308
        packs = repo._pack_collection
1246
1309
        # in 10s:
1247
1310
        self.assertEqual([10], packs.pack_distribution(10))
1248
1311
        self.assertEqual([10, 1], packs.pack_distribution(11))
1257
1320
        self.assertEqual([100, 100, 10, 1], packs.pack_distribution(211))
1258
1321
 
1259
1322
    def test_plan_pack_operations_2009_revisions_skip_all_packs(self):
1260
 
        packs = self.get_packs()
 
1323
        format = self.get_format()
 
1324
        repo = self.make_repository('.', format=format)
 
1325
        packs = repo._pack_collection
1261
1326
        existing_packs = [(2000, "big"), (9, "medium")]
1262
1327
        # rev count - 2009 -> 2x1000 + 9x1
1263
1328
        pack_operations = packs.plan_autopack_combinations(
1265
1330
        self.assertEqual([], pack_operations)
1266
1331
 
1267
1332
    def test_plan_pack_operations_2010_revisions_skip_all_packs(self):
1268
 
        packs = self.get_packs()
 
1333
        format = self.get_format()
 
1334
        repo = self.make_repository('.', format=format)
 
1335
        packs = repo._pack_collection
1269
1336
        existing_packs = [(2000, "big"), (9, "medium"), (1, "single")]
1270
1337
        # rev count - 2010 -> 2x1000 + 1x10
1271
1338
        pack_operations = packs.plan_autopack_combinations(
1273
1340
        self.assertEqual([], pack_operations)
1274
1341
 
1275
1342
    def test_plan_pack_operations_2010_combines_smallest_two(self):
1276
 
        packs = self.get_packs()
 
1343
        format = self.get_format()
 
1344
        repo = self.make_repository('.', format=format)
 
1345
        packs = repo._pack_collection
1277
1346
        existing_packs = [(1999, "big"), (9, "medium"), (1, "single2"),
1278
1347
            (1, "single1")]
1279
1348
        # rev count - 2010 -> 2x1000 + 1x10 (3)
1280
1349
        pack_operations = packs.plan_autopack_combinations(
1281
1350
            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)
 
1351
        self.assertEqual([[2, ["single2", "single1"]], [0, []]], pack_operations)
1298
1352
 
1299
1353
    def test_all_packs_none(self):
1300
1354
        format = self.get_format()
1338
1392
        tree.lock_read()
1339
1393
        self.addCleanup(tree.unlock)
1340
1394
        packs = tree.branch.repository._pack_collection
1341
 
        packs.reset()
1342
1395
        packs.ensure_loaded()
1343
1396
        name = packs.names()[0]
1344
1397
        pack_1 = packs.get_pack_by_name(name)
1345
1398
        # 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])
 
1399
        rev_index = GraphIndex(packs._index_transport, name + '.rix',
 
1400
            packs._names[name][0])
 
1401
        inv_index = GraphIndex(packs._index_transport, name + '.iix',
 
1402
            packs._names[name][1])
 
1403
        txt_index = GraphIndex(packs._index_transport, name + '.tix',
 
1404
            packs._names[name][2])
 
1405
        sig_index = GraphIndex(packs._index_transport, name + '.six',
 
1406
            packs._names[name][3])
1351
1407
        self.assertEqual(pack_repo.ExistingPack(packs._pack_transport,
1352
1408
            name, rev_index, inv_index, txt_index, sig_index), pack_1)
1353
1409
        # and the same instance should be returned on successive calls.
1354
1410
        self.assertTrue(pack_1 is packs.get_pack_by_name(name))
1355
1411
 
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
1412
 
1490
1413
class TestPack(TestCaseWithTransport):
1491
1414
    """Tests for the Pack object."""
1545
1468
        pack_transport = self.get_transport('pack')
1546
1469
        index_transport = self.get_transport('index')
1547
1470
        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()))
 
1471
        pack = pack_repo.NewPack(upload_transport, index_transport,
 
1472
            pack_transport)
 
1473
        self.assertIsInstance(pack.revision_index, InMemoryGraphIndex)
 
1474
        self.assertIsInstance(pack.inventory_index, InMemoryGraphIndex)
 
1475
        self.assertIsInstance(pack._hash, type(md5.new()))
1562
1476
        self.assertTrue(pack.upload_transport is upload_transport)
1563
1477
        self.assertTrue(pack.index_transport is index_transport)
1564
1478
        self.assertTrue(pack.pack_transport is pack_transport)
1571
1485
class TestPacker(TestCaseWithTransport):
1572
1486
    """Tests for the packs repository Packer class."""
1573
1487
 
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)
 
1488
    # To date, this class has been factored out and nothing new added to it;
 
1489
    # thus there are not yet any tests.
 
1490
 
 
1491
 
 
1492
class TestInterDifferingSerializer(TestCaseWithTransport):
 
1493
 
 
1494
    def test_progress_bar(self):
 
1495
        tree = self.make_branch_and_tree('tree')
 
1496
        tree.commit('rev1', rev_id='rev-1')
 
1497
        tree.commit('rev2', rev_id='rev-2')
 
1498
        tree.commit('rev3', rev_id='rev-3')
 
1499
        repo = self.make_repository('repo')
 
1500
        inter_repo = repository.InterDifferingSerializer(
 
1501
            tree.branch.repository, repo)
 
1502
        pb = progress.InstrumentedProgress(to_file=StringIO())
 
1503
        pb.never_throttle = True
 
1504
        inter_repo.fetch('rev-1', pb)
 
1505
        self.assertEqual('Transferring revisions', pb.last_msg)
 
1506
        self.assertEqual(1, pb.last_cnt)
 
1507
        self.assertEqual(1, pb.last_total)
 
1508
        inter_repo.fetch('rev-3', pb)
 
1509
        self.assertEqual(2, pb.last_cnt)
 
1510
        self.assertEqual(2, pb.last_total)