1
# Copyright (C) 2006-2012, 2016 Canonical Ltd
3
# This program is free software; you can redistribute it and/or modify
4
# it under the terms of the GNU General Public License as published by
5
# the Free Software Foundation; either version 2 of the License, or
6
# (at your option) any later version.
8
# This program is distributed in the hope that it will be useful,
9
# but WITHOUT ANY WARRANTY; without even the implied warranty of
10
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11
# GNU General Public License for more details.
13
# You should have received a copy of the GNU General Public License
14
# along with this program; if not, write to the Free Software
15
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17
"""Tests for the Repository facility that are not interface tests.
19
For interface tests see tests/per_repository/*.py.
21
For concrete class tests see this file, and for storage formats tests
25
from stat import S_ISDIR
28
from breezy.errors import (
30
UnsupportedFormatError,
38
from breezy.btree_index import BTreeBuilder, BTreeGraphIndex
39
from breezy.index import GraphIndex
40
from breezy.repository import RepositoryFormat
41
from breezy.tests import (
43
TestCaseWithTransport,
52
revision as _mod_revision,
58
from breezy.repofmt import (
66
class TestDefaultFormat(TestCase):
68
def test_get_set_default_format(self):
69
old_default = controldir.format_registry.get('default')
70
private_default = old_default().repository_format.__class__
71
old_format = repository.format_registry.get_default()
72
self.assertTrue(isinstance(old_format, private_default))
73
def make_sample_bzrdir():
74
my_bzrdir = bzrdir.BzrDirMetaFormat1()
75
my_bzrdir.repository_format = SampleRepositoryFormat()
77
controldir.format_registry.remove('default')
78
controldir.format_registry.register('sample', make_sample_bzrdir, '')
79
controldir.format_registry.set_default('sample')
80
# creating a repository should now create an instrumented dir.
82
# the default branch format is used by the meta dir format
83
# which is not the default bzrdir format at this point
84
dir = bzrdir.BzrDirMetaFormat1().initialize('memory:///')
85
result = dir.create_repository()
86
self.assertEqual(result, 'A bzr repository dir')
88
controldir.format_registry.remove('default')
89
controldir.format_registry.remove('sample')
90
controldir.format_registry.register('default', old_default, '')
91
self.assertIsInstance(repository.format_registry.get_default(),
95
class SampleRepositoryFormat(repository.RepositoryFormatMetaDir):
98
this format is initializable, unsupported to aid in testing the
99
open and open(unsupported=True) routines.
103
def get_format_string(cls):
104
"""See RepositoryFormat.get_format_string()."""
105
return "Sample .bzr repository format."
107
def initialize(self, a_bzrdir, shared=False):
108
"""Initialize a repository in a BzrDir"""
109
t = a_bzrdir.get_repository_transport(self)
110
t.put_bytes('format', self.get_format_string())
111
return 'A bzr repository dir'
113
def is_supported(self):
116
def open(self, a_bzrdir, _found=False):
117
return "opened repository."
120
class SampleExtraRepositoryFormat(repository.RepositoryFormat):
121
"""A sample format that can not be used in a metadir
125
def get_format_string(self):
126
raise NotImplementedError
129
class TestRepositoryFormat(TestCaseWithTransport):
130
"""Tests for the Repository format detection used by the bzr meta dir facility.BzrBranchFormat facility."""
132
def test_find_format(self):
133
# is the right format object found for a repository?
134
# create a branch with a few known format objects.
135
# this is not quite the same as
136
self.build_tree(["foo/", "bar/"])
137
def check_format(format, url):
138
dir = format._matchingbzrdir.initialize(url)
139
format.initialize(dir)
140
t = transport.get_transport_from_path(url)
141
found_format = repository.RepositoryFormatMetaDir.find_format(dir)
142
self.assertIsInstance(found_format, format.__class__)
143
check_format(repository.format_registry.get_default(), "bar")
145
def test_find_format_no_repository(self):
146
dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
147
self.assertRaises(errors.NoRepositoryPresent,
148
repository.RepositoryFormatMetaDir.find_format,
151
def test_from_string(self):
152
self.assertIsInstance(
153
SampleRepositoryFormat.from_string(
154
"Sample .bzr repository format."),
155
SampleRepositoryFormat)
156
self.assertRaises(AssertionError,
157
SampleRepositoryFormat.from_string,
158
"Different .bzr repository format.")
160
def test_find_format_unknown_format(self):
161
dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
162
SampleRepositoryFormat().initialize(dir)
163
self.assertRaises(UnknownFormatError,
164
repository.RepositoryFormatMetaDir.find_format,
167
def test_find_format_with_features(self):
168
tree = self.make_branch_and_tree('.', format='2a')
169
tree.branch.repository.update_feature_flags({"name": "necessity"})
170
found_format = repository.RepositoryFormatMetaDir.find_format(tree.bzrdir)
171
self.assertIsInstance(found_format, repository.RepositoryFormatMetaDir)
172
self.assertEqual(found_format.features.get("name"), "necessity")
173
self.assertRaises(errors.MissingFeature, found_format.check_support_status,
175
self.addCleanup(repository.RepositoryFormatMetaDir.unregister_feature,
177
repository.RepositoryFormatMetaDir.register_feature("name")
178
found_format.check_support_status(True)
181
class TestRepositoryFormatRegistry(TestCase):
184
super(TestRepositoryFormatRegistry, self).setUp()
185
self.registry = repository.RepositoryFormatRegistry()
187
def test_register_unregister_format(self):
188
format = SampleRepositoryFormat()
189
self.registry.register(format)
190
self.assertEqual(format, self.registry.get("Sample .bzr repository format."))
191
self.registry.remove(format)
192
self.assertRaises(KeyError, self.registry.get, "Sample .bzr repository format.")
194
def test_get_all(self):
195
format = SampleRepositoryFormat()
196
self.assertEqual([], self.registry._get_all())
197
self.registry.register(format)
198
self.assertEqual([format], self.registry._get_all())
200
def test_register_extra(self):
201
format = SampleExtraRepositoryFormat()
202
self.assertEqual([], self.registry._get_all())
203
self.registry.register_extra(format)
204
self.assertEqual([format], self.registry._get_all())
206
def test_register_extra_lazy(self):
207
self.assertEqual([], self.registry._get_all())
208
self.registry.register_extra_lazy("breezy.tests.test_repository",
209
"SampleExtraRepositoryFormat")
210
formats = self.registry._get_all()
211
self.assertEqual(1, len(formats))
212
self.assertIsInstance(formats[0], SampleExtraRepositoryFormat)
215
class TestFormatKnit1(TestCaseWithTransport):
217
def test_attribute__fetch_order(self):
218
"""Knits need topological data insertion."""
219
repo = self.make_repository('.',
220
format=controldir.format_registry.get('knit')())
221
self.assertEqual('topological', repo._format._fetch_order)
223
def test_attribute__fetch_uses_deltas(self):
224
"""Knits reuse deltas."""
225
repo = self.make_repository('.',
226
format=controldir.format_registry.get('knit')())
227
self.assertEqual(True, repo._format._fetch_uses_deltas)
229
def test_disk_layout(self):
230
control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
231
repo = knitrepo.RepositoryFormatKnit1().initialize(control)
232
# in case of side effects of locking.
236
# format 'Bazaar-NG Knit Repository Format 1'
237
# lock: is a directory
238
# inventory.weave == empty_weave
239
# empty revision-store directory
240
# empty weaves directory
241
t = control.get_repository_transport(None)
242
self.assertEqualDiff('Bazaar-NG Knit Repository Format 1',
243
t.get('format').read())
244
# XXX: no locks left when unlocked at the moment
245
# self.assertEqualDiff('', t.get('lock').read())
246
self.assertTrue(S_ISDIR(t.stat('knits').st_mode))
248
# Check per-file knits.
249
branch = control.create_branch()
250
tree = control.create_workingtree()
251
tree.add(['foo'], ['Nasty-IdC:'], ['file'])
252
tree.put_file_bytes_non_atomic('Nasty-IdC:', '')
253
tree.commit('1st post', rev_id='foo')
254
self.assertHasKnit(t, 'knits/e8/%254easty-%2549d%2543%253a',
255
'\nfoo fulltext 0 81 :')
257
def assertHasKnit(self, t, knit_name, extra_content=''):
258
"""Assert that knit_name exists on t."""
259
self.assertEqualDiff('# bzr knit index 8\n' + extra_content,
260
t.get(knit_name + '.kndx').read())
262
def check_knits(self, t):
263
"""check knit content for a repository."""
264
self.assertHasKnit(t, 'inventory')
265
self.assertHasKnit(t, 'revisions')
266
self.assertHasKnit(t, 'signatures')
268
def test_shared_disk_layout(self):
269
control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
270
repo = knitrepo.RepositoryFormatKnit1().initialize(control, shared=True)
272
# format 'Bazaar-NG Knit Repository Format 1'
273
# lock: is a directory
274
# inventory.weave == empty_weave
275
# empty revision-store directory
276
# empty weaves directory
277
# a 'shared-storage' marker file.
278
t = control.get_repository_transport(None)
279
self.assertEqualDiff('Bazaar-NG Knit Repository Format 1',
280
t.get('format').read())
281
# XXX: no locks left when unlocked at the moment
282
# self.assertEqualDiff('', t.get('lock').read())
283
self.assertEqualDiff('', t.get('shared-storage').read())
284
self.assertTrue(S_ISDIR(t.stat('knits').st_mode))
287
def test_shared_no_tree_disk_layout(self):
288
control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
289
repo = knitrepo.RepositoryFormatKnit1().initialize(control, shared=True)
290
repo.set_make_working_trees(False)
292
# format 'Bazaar-NG Knit Repository Format 1'
294
# inventory.weave == empty_weave
295
# empty revision-store directory
296
# empty weaves directory
297
# a 'shared-storage' marker file.
298
t = control.get_repository_transport(None)
299
self.assertEqualDiff('Bazaar-NG Knit Repository Format 1',
300
t.get('format').read())
301
# XXX: no locks left when unlocked at the moment
302
# self.assertEqualDiff('', t.get('lock').read())
303
self.assertEqualDiff('', t.get('shared-storage').read())
304
self.assertEqualDiff('', t.get('no-working-trees').read())
305
repo.set_make_working_trees(True)
306
self.assertFalse(t.has('no-working-trees'))
307
self.assertTrue(S_ISDIR(t.stat('knits').st_mode))
310
def test_deserialise_sets_root_revision(self):
311
"""We must have a inventory.root.revision
313
Old versions of the XML5 serializer did not set the revision_id for
314
the whole inventory. So we grab the one from the expected text. Which
315
is valid when the api is not being abused.
317
repo = self.make_repository('.',
318
format=controldir.format_registry.get('knit')())
319
inv_xml = '<inventory format="5">\n</inventory>\n'
320
inv = repo._deserialise_inventory('test-rev-id', inv_xml)
321
self.assertEqual('test-rev-id', inv.root.revision)
323
def test_deserialise_uses_global_revision_id(self):
324
"""If it is set, then we re-use the global revision id"""
325
repo = self.make_repository('.',
326
format=controldir.format_registry.get('knit')())
327
inv_xml = ('<inventory format="5" revision_id="other-rev-id">\n'
329
# Arguably, the deserialise_inventory should detect a mismatch, and
330
# raise an error, rather than silently using one revision_id over the
332
self.assertRaises(AssertionError, repo._deserialise_inventory,
333
'test-rev-id', inv_xml)
334
inv = repo._deserialise_inventory('other-rev-id', inv_xml)
335
self.assertEqual('other-rev-id', inv.root.revision)
337
def test_supports_external_lookups(self):
338
repo = self.make_repository('.',
339
format=controldir.format_registry.get('knit')())
340
self.assertFalse(repo._format.supports_external_lookups)
343
class DummyRepository(object):
344
"""A dummy repository for testing."""
349
def supports_rich_root(self):
350
if self._format is not None:
351
return self._format.rich_root_data
355
raise NotImplementedError
357
def get_parent_map(self, revision_ids):
358
raise NotImplementedError
361
class InterDummy(repository.InterRepository):
362
"""An inter-repository optimised code path for DummyRepository.
364
This is for use during testing where we use DummyRepository as repositories
365
so that none of the default regsitered inter-repository classes will
370
def is_compatible(repo_source, repo_target):
371
"""InterDummy is compatible with DummyRepository."""
372
return (isinstance(repo_source, DummyRepository) and
373
isinstance(repo_target, DummyRepository))
376
class TestInterRepository(TestCaseWithTransport):
378
def test_get_default_inter_repository(self):
379
# test that the InterRepository.get(repo_a, repo_b) probes
380
# for a inter_repo class where is_compatible(repo_a, repo_b) returns
381
# true and returns a default inter_repo otherwise.
382
# This also tests that the default registered optimised interrepository
383
# classes do not barf inappropriately when a surprising repository type
385
dummy_a = DummyRepository()
386
dummy_a._format = RepositoryFormat()
387
dummy_a._format.supports_full_versioned_files = True
388
dummy_b = DummyRepository()
389
dummy_b._format = RepositoryFormat()
390
dummy_b._format.supports_full_versioned_files = True
391
self.assertGetsDefaultInterRepository(dummy_a, dummy_b)
393
def assertGetsDefaultInterRepository(self, repo_a, repo_b):
394
"""Asserts that InterRepository.get(repo_a, repo_b) -> the default.
396
The effective default is now InterSameDataRepository because there is
397
no actual sane default in the presence of incompatible data models.
399
inter_repo = repository.InterRepository.get(repo_a, repo_b)
400
self.assertEqual(vf_repository.InterSameDataRepository,
401
inter_repo.__class__)
402
self.assertEqual(repo_a, inter_repo.source)
403
self.assertEqual(repo_b, inter_repo.target)
405
def test_register_inter_repository_class(self):
406
# test that a optimised code path provider - a
407
# InterRepository subclass can be registered and unregistered
408
# and that it is correctly selected when given a repository
409
# pair that it returns true on for the is_compatible static method
411
dummy_a = DummyRepository()
412
dummy_a._format = RepositoryFormat()
413
dummy_b = DummyRepository()
414
dummy_b._format = RepositoryFormat()
415
repo = self.make_repository('.')
416
# hack dummies to look like repo somewhat.
417
dummy_a._serializer = repo._serializer
418
dummy_a._format.supports_tree_reference = repo._format.supports_tree_reference
419
dummy_a._format.rich_root_data = repo._format.rich_root_data
420
dummy_a._format.supports_full_versioned_files = repo._format.supports_full_versioned_files
421
dummy_b._serializer = repo._serializer
422
dummy_b._format.supports_tree_reference = repo._format.supports_tree_reference
423
dummy_b._format.rich_root_data = repo._format.rich_root_data
424
dummy_b._format.supports_full_versioned_files = repo._format.supports_full_versioned_files
425
repository.InterRepository.register_optimiser(InterDummy)
427
# we should get the default for something InterDummy returns False
429
self.assertFalse(InterDummy.is_compatible(dummy_a, repo))
430
self.assertGetsDefaultInterRepository(dummy_a, repo)
431
# and we should get an InterDummy for a pair it 'likes'
432
self.assertTrue(InterDummy.is_compatible(dummy_a, dummy_b))
433
inter_repo = repository.InterRepository.get(dummy_a, dummy_b)
434
self.assertEqual(InterDummy, inter_repo.__class__)
435
self.assertEqual(dummy_a, inter_repo.source)
436
self.assertEqual(dummy_b, inter_repo.target)
438
repository.InterRepository.unregister_optimiser(InterDummy)
439
# now we should get the default InterRepository object again.
440
self.assertGetsDefaultInterRepository(dummy_a, dummy_b)
443
class TestRepositoryFormat1(knitrepo.RepositoryFormatKnit1):
446
def get_format_string(cls):
447
return "Test Format 1"
450
class TestRepositoryFormat2(knitrepo.RepositoryFormatKnit1):
453
def get_format_string(cls):
454
return "Test Format 2"
457
class TestRepositoryConverter(TestCaseWithTransport):
459
def test_convert_empty(self):
460
source_format = TestRepositoryFormat1()
461
target_format = TestRepositoryFormat2()
462
repository.format_registry.register(source_format)
463
self.addCleanup(repository.format_registry.remove,
465
repository.format_registry.register(target_format)
466
self.addCleanup(repository.format_registry.remove,
468
t = self.get_transport()
469
t.mkdir('repository')
470
repo_dir = bzrdir.BzrDirMetaFormat1().initialize('repository')
471
repo = TestRepositoryFormat1().initialize(repo_dir)
472
converter = repository.CopyConverter(target_format)
473
pb = breezy.ui.ui_factory.nested_progress_bar()
475
converter.convert(repo, pb)
478
repo = repo_dir.open_repository()
479
self.assertTrue(isinstance(target_format, repo._format.__class__))
482
class TestRepositoryFormatKnit3(TestCaseWithTransport):
484
def test_attribute__fetch_order(self):
485
"""Knits need topological data insertion."""
486
format = bzrdir.BzrDirMetaFormat1()
487
format.repository_format = knitrepo.RepositoryFormatKnit3()
488
repo = self.make_repository('.', format=format)
489
self.assertEqual('topological', repo._format._fetch_order)
491
def test_attribute__fetch_uses_deltas(self):
492
"""Knits reuse deltas."""
493
format = bzrdir.BzrDirMetaFormat1()
494
format.repository_format = knitrepo.RepositoryFormatKnit3()
495
repo = self.make_repository('.', format=format)
496
self.assertEqual(True, repo._format._fetch_uses_deltas)
498
def test_convert(self):
499
"""Ensure the upgrade adds weaves for roots"""
500
format = bzrdir.BzrDirMetaFormat1()
501
format.repository_format = knitrepo.RepositoryFormatKnit1()
502
tree = self.make_branch_and_tree('.', format)
503
tree.commit("Dull commit", rev_id="dull")
504
revision_tree = tree.branch.repository.revision_tree('dull')
505
revision_tree.lock_read()
507
self.assertRaises(errors.NoSuchFile, revision_tree.get_file_lines,
508
revision_tree.get_root_id())
510
revision_tree.unlock()
511
format = bzrdir.BzrDirMetaFormat1()
512
format.repository_format = knitrepo.RepositoryFormatKnit3()
513
upgrade.Convert('.', format)
514
tree = workingtree.WorkingTree.open('.')
515
revision_tree = tree.branch.repository.revision_tree('dull')
516
revision_tree.lock_read()
518
revision_tree.get_file_lines(revision_tree.get_root_id())
520
revision_tree.unlock()
521
tree.commit("Another dull commit", rev_id='dull2')
522
revision_tree = tree.branch.repository.revision_tree('dull2')
523
revision_tree.lock_read()
524
self.addCleanup(revision_tree.unlock)
525
self.assertEqual('dull',
526
revision_tree.get_file_revision(revision_tree.get_root_id()))
528
def test_supports_external_lookups(self):
529
format = bzrdir.BzrDirMetaFormat1()
530
format.repository_format = knitrepo.RepositoryFormatKnit3()
531
repo = self.make_repository('.', format=format)
532
self.assertFalse(repo._format.supports_external_lookups)
535
class Test2a(tests.TestCaseWithMemoryTransport):
537
def test_chk_bytes_uses_custom_btree_parser(self):
538
mt = self.make_branch_and_memory_tree('test', format='2a')
540
self.addCleanup(mt.unlock)
541
mt.add([''], ['root-id'])
543
index = mt.branch.repository.chk_bytes._index._graph_index._indices[0]
544
self.assertEqual(btree_index._gcchk_factory, index._leaf_factory)
545
# It should also work if we re-open the repo
546
repo = mt.branch.repository.bzrdir.open_repository()
548
self.addCleanup(repo.unlock)
549
index = repo.chk_bytes._index._graph_index._indices[0]
550
self.assertEqual(btree_index._gcchk_factory, index._leaf_factory)
552
def test_fetch_combines_groups(self):
553
builder = self.make_branch_builder('source', format='2a')
554
builder.start_series()
555
builder.build_snapshot('1', None, [
556
('add', ('', 'root-id', 'directory', '')),
557
('add', ('file', 'file-id', 'file', 'content\n'))])
558
builder.build_snapshot('2', ['1'], [
559
('modify', ('file-id', 'content-2\n'))])
560
builder.finish_series()
561
source = builder.get_branch()
562
target = self.make_repository('target', format='2a')
563
target.fetch(source.repository)
565
self.addCleanup(target.unlock)
566
details = target.texts._index.get_build_details(
567
[('file-id', '1',), ('file-id', '2',)])
568
file_1_details = details[('file-id', '1')]
569
file_2_details = details[('file-id', '2')]
570
# The index, and what to read off disk, should be the same for both
571
# versions of the file.
572
self.assertEqual(file_1_details[0][:3], file_2_details[0][:3])
574
def test_fetch_combines_groups(self):
575
builder = self.make_branch_builder('source', format='2a')
576
builder.start_series()
577
builder.build_snapshot('1', None, [
578
('add', ('', 'root-id', 'directory', '')),
579
('add', ('file', 'file-id', 'file', 'content\n'))])
580
builder.build_snapshot('2', ['1'], [
581
('modify', ('file-id', 'content-2\n'))])
582
builder.finish_series()
583
source = builder.get_branch()
584
target = self.make_repository('target', format='2a')
585
target.fetch(source.repository)
587
self.addCleanup(target.unlock)
588
details = target.texts._index.get_build_details(
589
[('file-id', '1',), ('file-id', '2',)])
590
file_1_details = details[('file-id', '1')]
591
file_2_details = details[('file-id', '2')]
592
# The index, and what to read off disk, should be the same for both
593
# versions of the file.
594
self.assertEqual(file_1_details[0][:3], file_2_details[0][:3])
596
def test_fetch_combines_groups(self):
597
builder = self.make_branch_builder('source', format='2a')
598
builder.start_series()
599
builder.build_snapshot('1', None, [
600
('add', ('', 'root-id', 'directory', '')),
601
('add', ('file', 'file-id', 'file', 'content\n'))])
602
builder.build_snapshot('2', ['1'], [
603
('modify', ('file-id', 'content-2\n'))])
604
builder.finish_series()
605
source = builder.get_branch()
606
target = self.make_repository('target', format='2a')
607
target.fetch(source.repository)
609
self.addCleanup(target.unlock)
610
details = target.texts._index.get_build_details(
611
[('file-id', '1',), ('file-id', '2',)])
612
file_1_details = details[('file-id', '1')]
613
file_2_details = details[('file-id', '2')]
614
# The index, and what to read off disk, should be the same for both
615
# versions of the file.
616
self.assertEqual(file_1_details[0][:3], file_2_details[0][:3])
618
def test_format_pack_compresses_True(self):
619
repo = self.make_repository('repo', format='2a')
620
self.assertTrue(repo._format.pack_compresses)
622
def test_inventories_use_chk_map_with_parent_base_dict(self):
623
tree = self.make_branch_and_memory_tree('repo', format="2a")
625
tree.add([''], ['TREE_ROOT'])
626
revid = tree.commit("foo")
629
self.addCleanup(tree.unlock)
630
inv = tree.branch.repository.get_inventory(revid)
631
self.assertNotEqual(None, inv.parent_id_basename_to_file_id)
632
inv.parent_id_basename_to_file_id._ensure_root()
633
inv.id_to_entry._ensure_root()
634
self.assertEqual(65536, inv.id_to_entry._root_node.maximum_size)
635
self.assertEqual(65536,
636
inv.parent_id_basename_to_file_id._root_node.maximum_size)
638
def test_autopack_unchanged_chk_nodes(self):
639
# at 20 unchanged commits, chk pages are packed that are split into
640
# two groups such that the new pack being made doesn't have all its
641
# pages in the source packs (though they are in the repository).
642
# Use a memory backed repository, we don't need to hit disk for this
643
tree = self.make_branch_and_memory_tree('tree', format='2a')
645
self.addCleanup(tree.unlock)
646
tree.add([''], ['TREE_ROOT'])
647
for pos in range(20):
648
tree.commit(str(pos))
650
def test_pack_with_hint(self):
651
tree = self.make_branch_and_memory_tree('tree', format='2a')
653
self.addCleanup(tree.unlock)
654
tree.add([''], ['TREE_ROOT'])
655
# 1 commit to leave untouched
657
to_keep = tree.branch.repository._pack_collection.names()
661
all = tree.branch.repository._pack_collection.names()
662
combine = list(set(all) - set(to_keep))
663
self.assertLength(3, all)
664
self.assertLength(2, combine)
665
tree.branch.repository.pack(hint=combine)
666
final = tree.branch.repository._pack_collection.names()
667
self.assertLength(2, final)
668
self.assertFalse(combine[0] in final)
669
self.assertFalse(combine[1] in final)
670
self.assertSubset(to_keep, final)
672
def test_stream_source_to_gc(self):
673
source = self.make_repository('source', format='2a')
674
target = self.make_repository('target', format='2a')
675
stream = source._get_source(target._format)
676
self.assertIsInstance(stream, groupcompress_repo.GroupCHKStreamSource)
678
def test_stream_source_to_non_gc(self):
679
source = self.make_repository('source', format='2a')
680
target = self.make_repository('target', format='rich-root-pack')
681
stream = source._get_source(target._format)
682
# We don't want the child GroupCHKStreamSource
683
self.assertIs(type(stream), vf_repository.StreamSource)
685
def test_get_stream_for_missing_keys_includes_all_chk_refs(self):
686
source_builder = self.make_branch_builder('source',
688
# We have to build a fairly large tree, so that we are sure the chk
689
# pages will have split into multiple pages.
690
entries = [('add', ('', 'a-root-id', 'directory', None))]
691
for i in 'abcdefghijklmnopqrstuvwxyz123456789':
692
for j in 'abcdefghijklmnopqrstuvwxyz123456789':
695
content = 'content for %s\n' % (fname,)
696
entries.append(('add', (fname, fid, 'file', content)))
697
source_builder.start_series()
698
source_builder.build_snapshot('rev-1', None, entries)
699
# Now change a few of them, so we get a few new pages for the second
701
source_builder.build_snapshot('rev-2', ['rev-1'], [
702
('modify', ('aa-id', 'new content for aa-id\n')),
703
('modify', ('cc-id', 'new content for cc-id\n')),
704
('modify', ('zz-id', 'new content for zz-id\n')),
706
source_builder.finish_series()
707
source_branch = source_builder.get_branch()
708
source_branch.lock_read()
709
self.addCleanup(source_branch.unlock)
710
target = self.make_repository('target', format='2a')
711
source = source_branch.repository._get_source(target._format)
712
self.assertIsInstance(source, groupcompress_repo.GroupCHKStreamSource)
714
# On a regular pass, getting the inventories and chk pages for rev-2
715
# would only get the newly created chk pages
716
search = vf_search.SearchResult({'rev-2'}, {'rev-1'}, 1,
718
simple_chk_records = []
719
for vf_name, substream in source.get_stream(search):
720
if vf_name == 'chk_bytes':
721
for record in substream:
722
simple_chk_records.append(record.key)
726
# 3 pages, the root (InternalNode), + 2 pages which actually changed
727
self.assertEqual([('sha1:91481f539e802c76542ea5e4c83ad416bf219f73',),
728
('sha1:4ff91971043668583985aec83f4f0ab10a907d3f',),
729
('sha1:81e7324507c5ca132eedaf2d8414ee4bb2226187',),
730
('sha1:b101b7da280596c71a4540e9a1eeba8045985ee0',)],
732
# Now, when we do a similar call using 'get_stream_for_missing_keys'
733
# we should get a much larger set of pages.
734
missing = [('inventories', 'rev-2')]
735
full_chk_records = []
736
for vf_name, substream in source.get_stream_for_missing_keys(missing):
737
if vf_name == 'inventories':
738
for record in substream:
739
self.assertEqual(('rev-2',), record.key)
740
elif vf_name == 'chk_bytes':
741
for record in substream:
742
full_chk_records.append(record.key)
744
self.fail('Should not be getting a stream of %s' % (vf_name,))
745
# We have 257 records now. This is because we have 1 root page, and 256
746
# leaf pages in a complete listing.
747
self.assertEqual(257, len(full_chk_records))
748
self.assertSubset(simple_chk_records, full_chk_records)
750
def test_inconsistency_fatal(self):
751
repo = self.make_repository('repo', format='2a')
752
self.assertTrue(repo.revisions._index._inconsistency_fatal)
753
self.assertFalse(repo.texts._index._inconsistency_fatal)
754
self.assertFalse(repo.inventories._index._inconsistency_fatal)
755
self.assertFalse(repo.signatures._index._inconsistency_fatal)
756
self.assertFalse(repo.chk_bytes._index._inconsistency_fatal)
759
class TestKnitPackStreamSource(tests.TestCaseWithMemoryTransport):
761
def test_source_to_exact_pack_092(self):
762
source = self.make_repository('source', format='pack-0.92')
763
target = self.make_repository('target', format='pack-0.92')
764
stream_source = source._get_source(target._format)
765
self.assertIsInstance(stream_source, knitpack_repo.KnitPackStreamSource)
767
def test_source_to_exact_pack_rich_root_pack(self):
768
source = self.make_repository('source', format='rich-root-pack')
769
target = self.make_repository('target', format='rich-root-pack')
770
stream_source = source._get_source(target._format)
771
self.assertIsInstance(stream_source, knitpack_repo.KnitPackStreamSource)
773
def test_source_to_exact_pack_19(self):
774
source = self.make_repository('source', format='1.9')
775
target = self.make_repository('target', format='1.9')
776
stream_source = source._get_source(target._format)
777
self.assertIsInstance(stream_source, knitpack_repo.KnitPackStreamSource)
779
def test_source_to_exact_pack_19_rich_root(self):
780
source = self.make_repository('source', format='1.9-rich-root')
781
target = self.make_repository('target', format='1.9-rich-root')
782
stream_source = source._get_source(target._format)
783
self.assertIsInstance(stream_source, knitpack_repo.KnitPackStreamSource)
785
def test_source_to_remote_exact_pack_19(self):
786
trans = self.make_smart_server('target')
788
source = self.make_repository('source', format='1.9')
789
target = self.make_repository('target', format='1.9')
790
target = repository.Repository.open(trans.base)
791
stream_source = source._get_source(target._format)
792
self.assertIsInstance(stream_source, knitpack_repo.KnitPackStreamSource)
794
def test_stream_source_to_non_exact(self):
795
source = self.make_repository('source', format='pack-0.92')
796
target = self.make_repository('target', format='1.9')
797
stream = source._get_source(target._format)
798
self.assertIs(type(stream), vf_repository.StreamSource)
800
def test_stream_source_to_non_exact_rich_root(self):
801
source = self.make_repository('source', format='1.9')
802
target = self.make_repository('target', format='1.9-rich-root')
803
stream = source._get_source(target._format)
804
self.assertIs(type(stream), vf_repository.StreamSource)
806
def test_source_to_remote_non_exact_pack_19(self):
807
trans = self.make_smart_server('target')
809
source = self.make_repository('source', format='1.9')
810
target = self.make_repository('target', format='1.6')
811
target = repository.Repository.open(trans.base)
812
stream_source = source._get_source(target._format)
813
self.assertIs(type(stream_source), vf_repository.StreamSource)
815
def test_stream_source_to_knit(self):
816
source = self.make_repository('source', format='pack-0.92')
817
target = self.make_repository('target', format='dirstate')
818
stream = source._get_source(target._format)
819
self.assertIs(type(stream), vf_repository.StreamSource)
822
class TestDevelopment6FindParentIdsOfRevisions(TestCaseWithTransport):
823
"""Tests for _find_parent_ids_of_revisions."""
826
super(TestDevelopment6FindParentIdsOfRevisions, self).setUp()
827
self.builder = self.make_branch_builder('source')
828
self.builder.start_series()
829
self.builder.build_snapshot('initial', None,
830
[('add', ('', 'tree-root', 'directory', None))])
831
self.repo = self.builder.get_branch().repository
832
self.addCleanup(self.builder.finish_series)
834
def assertParentIds(self, expected_result, rev_set):
835
self.assertEqual(sorted(expected_result),
836
sorted(self.repo._find_parent_ids_of_revisions(rev_set)))
838
def test_simple(self):
839
self.builder.build_snapshot('revid1', None, [])
840
self.builder.build_snapshot('revid2', ['revid1'], [])
842
self.assertParentIds(['revid1'], rev_set)
844
def test_not_first_parent(self):
845
self.builder.build_snapshot('revid1', None, [])
846
self.builder.build_snapshot('revid2', ['revid1'], [])
847
self.builder.build_snapshot('revid3', ['revid2'], [])
848
rev_set = ['revid3', 'revid2']
849
self.assertParentIds(['revid1'], rev_set)
851
def test_not_null(self):
852
rev_set = ['initial']
853
self.assertParentIds([], rev_set)
855
def test_not_null_set(self):
856
self.builder.build_snapshot('revid1', None, [])
857
rev_set = [_mod_revision.NULL_REVISION]
858
self.assertParentIds([], rev_set)
860
def test_ghost(self):
861
self.builder.build_snapshot('revid1', None, [])
862
rev_set = ['ghost', 'revid1']
863
self.assertParentIds(['initial'], rev_set)
865
def test_ghost_parent(self):
866
self.builder.build_snapshot('revid1', None, [])
867
self.builder.build_snapshot('revid2', ['revid1', 'ghost'], [])
868
rev_set = ['revid2', 'revid1']
869
self.assertParentIds(['ghost', 'initial'], rev_set)
871
def test_righthand_parent(self):
872
self.builder.build_snapshot('revid1', None, [])
873
self.builder.build_snapshot('revid2a', ['revid1'], [])
874
self.builder.build_snapshot('revid2b', ['revid1'], [])
875
self.builder.build_snapshot('revid3', ['revid2a', 'revid2b'], [])
876
rev_set = ['revid3', 'revid2a']
877
self.assertParentIds(['revid1', 'revid2b'], rev_set)
880
class TestWithBrokenRepo(TestCaseWithTransport):
881
"""These tests seem to be more appropriate as interface tests?"""
883
def make_broken_repository(self):
884
# XXX: This function is borrowed from Aaron's "Reconcile can fix bad
885
# parent references" branch which is due to land in bzr.dev soon. Once
886
# it does, this duplication should be removed.
887
repo = self.make_repository('broken-repo')
891
cleanups.append(repo.unlock)
892
repo.start_write_group()
893
cleanups.append(repo.commit_write_group)
894
# make rev1a: A well-formed revision, containing 'file1'
895
inv = inventory.Inventory(revision_id='rev1a')
896
inv.root.revision = 'rev1a'
897
self.add_file(repo, inv, 'file1', 'rev1a', [])
898
repo.texts.add_lines((inv.root.file_id, 'rev1a'), [], [])
899
repo.add_inventory('rev1a', inv, [])
900
revision = _mod_revision.Revision('rev1a',
901
committer='jrandom@example.com', timestamp=0,
902
inventory_sha1='', timezone=0, message='foo', parent_ids=[])
903
repo.add_revision('rev1a', revision, inv)
905
# make rev1b, which has no Revision, but has an Inventory, and
907
inv = inventory.Inventory(revision_id='rev1b')
908
inv.root.revision = 'rev1b'
909
self.add_file(repo, inv, 'file1', 'rev1b', [])
910
repo.add_inventory('rev1b', inv, [])
912
# make rev2, with file1 and file2
914
# file1 has 'rev1b' as an ancestor, even though this is not
915
# mentioned by 'rev1a', making it an unreferenced ancestor
916
inv = inventory.Inventory()
917
self.add_file(repo, inv, 'file1', 'rev2', ['rev1a', 'rev1b'])
918
self.add_file(repo, inv, 'file2', 'rev2', [])
919
self.add_revision(repo, 'rev2', inv, ['rev1a'])
921
# make ghost revision rev1c
922
inv = inventory.Inventory()
923
self.add_file(repo, inv, 'file2', 'rev1c', [])
925
# make rev3 with file2
926
# file2 refers to 'rev1c', which is a ghost in this repository, so
927
# file2 cannot have rev1c as its ancestor.
928
inv = inventory.Inventory()
929
self.add_file(repo, inv, 'file2', 'rev3', ['rev1c'])
930
self.add_revision(repo, 'rev3', inv, ['rev1c'])
933
for cleanup in reversed(cleanups):
936
def add_revision(self, repo, revision_id, inv, parent_ids):
937
inv.revision_id = revision_id
938
inv.root.revision = revision_id
939
repo.texts.add_lines((inv.root.file_id, revision_id), [], [])
940
repo.add_inventory(revision_id, inv, parent_ids)
941
revision = _mod_revision.Revision(revision_id,
942
committer='jrandom@example.com', timestamp=0, inventory_sha1='',
943
timezone=0, message='foo', parent_ids=parent_ids)
944
repo.add_revision(revision_id, revision, inv)
946
def add_file(self, repo, inv, filename, revision, parents):
947
file_id = filename + '-id'
948
entry = inventory.InventoryFile(file_id, filename, 'TREE_ROOT')
949
entry.revision = revision
952
text_key = (file_id, revision)
953
parent_keys = [(file_id, parent) for parent in parents]
954
repo.texts.add_lines(text_key, parent_keys, ['line\n'])
956
def test_insert_from_broken_repo(self):
957
"""Inserting a data stream from a broken repository won't silently
958
corrupt the target repository.
960
broken_repo = self.make_broken_repository()
961
empty_repo = self.make_repository('empty-repo')
963
empty_repo.fetch(broken_repo)
964
except (errors.RevisionNotPresent, errors.BzrCheckError):
965
# Test successful: compression parent not being copied leads to
968
empty_repo.lock_read()
969
self.addCleanup(empty_repo.unlock)
970
text = next(empty_repo.texts.get_record_stream(
971
[('file2-id', 'rev3')], 'topological', True))
972
self.assertEqual('line\n', text.get_bytes_as('fulltext'))
975
class TestRepositoryPackCollection(TestCaseWithTransport):
977
def get_format(self):
978
return controldir.format_registry.make_bzrdir('pack-0.92')
981
format = self.get_format()
982
repo = self.make_repository('.', format=format)
983
return repo._pack_collection
985
def make_packs_and_alt_repo(self, write_lock=False):
986
"""Create a pack repo with 3 packs, and access it via a second repo."""
987
tree = self.make_branch_and_tree('.', format=self.get_format())
989
self.addCleanup(tree.unlock)
990
rev1 = tree.commit('one')
991
rev2 = tree.commit('two')
992
rev3 = tree.commit('three')
993
r = repository.Repository.open('.')
998
self.addCleanup(r.unlock)
999
packs = r._pack_collection
1000
packs.ensure_loaded()
1001
return tree, r, packs, [rev1, rev2, rev3]
1003
def test__clear_obsolete_packs(self):
1004
packs = self.get_packs()
1005
obsolete_pack_trans = packs.transport.clone('obsolete_packs')
1006
obsolete_pack_trans.put_bytes('a-pack.pack', 'content\n')
1007
obsolete_pack_trans.put_bytes('a-pack.rix', 'content\n')
1008
obsolete_pack_trans.put_bytes('a-pack.iix', 'content\n')
1009
obsolete_pack_trans.put_bytes('another-pack.pack', 'foo\n')
1010
obsolete_pack_trans.put_bytes('not-a-pack.rix', 'foo\n')
1011
res = packs._clear_obsolete_packs()
1012
self.assertEqual(['a-pack', 'another-pack'], sorted(res))
1013
self.assertEqual([], obsolete_pack_trans.list_dir('.'))
1015
def test__clear_obsolete_packs_preserve(self):
1016
packs = self.get_packs()
1017
obsolete_pack_trans = packs.transport.clone('obsolete_packs')
1018
obsolete_pack_trans.put_bytes('a-pack.pack', 'content\n')
1019
obsolete_pack_trans.put_bytes('a-pack.rix', 'content\n')
1020
obsolete_pack_trans.put_bytes('a-pack.iix', 'content\n')
1021
obsolete_pack_trans.put_bytes('another-pack.pack', 'foo\n')
1022
obsolete_pack_trans.put_bytes('not-a-pack.rix', 'foo\n')
1023
res = packs._clear_obsolete_packs(preserve={'a-pack'})
1024
self.assertEqual(['a-pack', 'another-pack'], sorted(res))
1025
self.assertEqual(['a-pack.iix', 'a-pack.pack', 'a-pack.rix'],
1026
sorted(obsolete_pack_trans.list_dir('.')))
1028
def test__max_pack_count(self):
1029
"""The maximum pack count is a function of the number of revisions."""
1030
# no revisions - one pack, so that we can have a revision free repo
1031
# without it blowing up
1032
packs = self.get_packs()
1033
self.assertEqual(1, packs._max_pack_count(0))
1034
# after that the sum of the digits, - check the first 1-9
1035
self.assertEqual(1, packs._max_pack_count(1))
1036
self.assertEqual(2, packs._max_pack_count(2))
1037
self.assertEqual(3, packs._max_pack_count(3))
1038
self.assertEqual(4, packs._max_pack_count(4))
1039
self.assertEqual(5, packs._max_pack_count(5))
1040
self.assertEqual(6, packs._max_pack_count(6))
1041
self.assertEqual(7, packs._max_pack_count(7))
1042
self.assertEqual(8, packs._max_pack_count(8))
1043
self.assertEqual(9, packs._max_pack_count(9))
1044
# check the boundary cases with two digits for the next decade
1045
self.assertEqual(1, packs._max_pack_count(10))
1046
self.assertEqual(2, packs._max_pack_count(11))
1047
self.assertEqual(10, packs._max_pack_count(19))
1048
self.assertEqual(2, packs._max_pack_count(20))
1049
self.assertEqual(3, packs._max_pack_count(21))
1050
# check some arbitrary big numbers
1051
self.assertEqual(25, packs._max_pack_count(112894))
1053
def test_repr(self):
1054
packs = self.get_packs()
1055
self.assertContainsRe(repr(packs),
1056
'RepositoryPackCollection(.*Repository(.*))')
1058
def test__obsolete_packs(self):
1059
tree, r, packs, revs = self.make_packs_and_alt_repo(write_lock=True)
1060
names = packs.names()
1061
pack = packs.get_pack_by_name(names[0])
1062
# Schedule this one for removal
1063
packs._remove_pack_from_memory(pack)
1064
# Simulate a concurrent update by renaming the .pack file and one of
1066
packs.transport.rename('packs/%s.pack' % (names[0],),
1067
'obsolete_packs/%s.pack' % (names[0],))
1068
packs.transport.rename('indices/%s.iix' % (names[0],),
1069
'obsolete_packs/%s.iix' % (names[0],))
1070
# Now trigger the obsoletion, and ensure that all the remaining files
1072
packs._obsolete_packs([pack])
1073
self.assertEqual([n + '.pack' for n in names[1:]],
1074
sorted(packs._pack_transport.list_dir('.')))
1075
# names[0] should not be present in the index anymore
1076
self.assertEqual(names[1:],
1077
sorted({osutils.splitext(n)[0] for n in
1078
packs._index_transport.list_dir('.')}))
1080
def test__obsolete_packs_missing_directory(self):
1081
tree, r, packs, revs = self.make_packs_and_alt_repo(write_lock=True)
1082
r.control_transport.rmdir('obsolete_packs')
1083
names = packs.names()
1084
pack = packs.get_pack_by_name(names[0])
1085
# Schedule this one for removal
1086
packs._remove_pack_from_memory(pack)
1087
# Now trigger the obsoletion, and ensure that all the remaining files
1089
packs._obsolete_packs([pack])
1090
self.assertEqual([n + '.pack' for n in names[1:]],
1091
sorted(packs._pack_transport.list_dir('.')))
1092
# names[0] should not be present in the index anymore
1093
self.assertEqual(names[1:],
1094
sorted({osutils.splitext(n)[0] for n in
1095
packs._index_transport.list_dir('.')}))
1097
def test_pack_distribution_zero(self):
1098
packs = self.get_packs()
1099
self.assertEqual([0], packs.pack_distribution(0))
1101
def test_ensure_loaded_unlocked(self):
1102
packs = self.get_packs()
1103
self.assertRaises(errors.ObjectNotLocked,
1104
packs.ensure_loaded)
1106
def test_pack_distribution_one_to_nine(self):
1107
packs = self.get_packs()
1108
self.assertEqual([1],
1109
packs.pack_distribution(1))
1110
self.assertEqual([1, 1],
1111
packs.pack_distribution(2))
1112
self.assertEqual([1, 1, 1],
1113
packs.pack_distribution(3))
1114
self.assertEqual([1, 1, 1, 1],
1115
packs.pack_distribution(4))
1116
self.assertEqual([1, 1, 1, 1, 1],
1117
packs.pack_distribution(5))
1118
self.assertEqual([1, 1, 1, 1, 1, 1],
1119
packs.pack_distribution(6))
1120
self.assertEqual([1, 1, 1, 1, 1, 1, 1],
1121
packs.pack_distribution(7))
1122
self.assertEqual([1, 1, 1, 1, 1, 1, 1, 1],
1123
packs.pack_distribution(8))
1124
self.assertEqual([1, 1, 1, 1, 1, 1, 1, 1, 1],
1125
packs.pack_distribution(9))
1127
def test_pack_distribution_stable_at_boundaries(self):
1128
"""When there are multi-rev packs the counts are stable."""
1129
packs = self.get_packs()
1131
self.assertEqual([10], packs.pack_distribution(10))
1132
self.assertEqual([10, 1], packs.pack_distribution(11))
1133
self.assertEqual([10, 10], packs.pack_distribution(20))
1134
self.assertEqual([10, 10, 1], packs.pack_distribution(21))
1136
self.assertEqual([100], packs.pack_distribution(100))
1137
self.assertEqual([100, 1], packs.pack_distribution(101))
1138
self.assertEqual([100, 10, 1], packs.pack_distribution(111))
1139
self.assertEqual([100, 100], packs.pack_distribution(200))
1140
self.assertEqual([100, 100, 1], packs.pack_distribution(201))
1141
self.assertEqual([100, 100, 10, 1], packs.pack_distribution(211))
1143
def test_plan_pack_operations_2009_revisions_skip_all_packs(self):
1144
packs = self.get_packs()
1145
existing_packs = [(2000, "big"), (9, "medium")]
1146
# rev count - 2009 -> 2x1000 + 9x1
1147
pack_operations = packs.plan_autopack_combinations(
1148
existing_packs, [1000, 1000, 1, 1, 1, 1, 1, 1, 1, 1, 1])
1149
self.assertEqual([], pack_operations)
1151
def test_plan_pack_operations_2010_revisions_skip_all_packs(self):
1152
packs = self.get_packs()
1153
existing_packs = [(2000, "big"), (9, "medium"), (1, "single")]
1154
# rev count - 2010 -> 2x1000 + 1x10
1155
pack_operations = packs.plan_autopack_combinations(
1156
existing_packs, [1000, 1000, 10])
1157
self.assertEqual([], pack_operations)
1159
def test_plan_pack_operations_2010_combines_smallest_two(self):
1160
packs = self.get_packs()
1161
existing_packs = [(1999, "big"), (9, "medium"), (1, "single2"),
1163
# rev count - 2010 -> 2x1000 + 1x10 (3)
1164
pack_operations = packs.plan_autopack_combinations(
1165
existing_packs, [1000, 1000, 10])
1166
self.assertEqual([[2, ["single2", "single1"]]], pack_operations)
1168
def test_plan_pack_operations_creates_a_single_op(self):
1169
packs = self.get_packs()
1170
existing_packs = [(50, 'a'), (40, 'b'), (30, 'c'), (10, 'd'),
1171
(10, 'e'), (6, 'f'), (4, 'g')]
1172
# rev count 150 -> 1x100 and 5x10
1173
# The two size 10 packs do not need to be touched. The 50, 40, 30 would
1174
# be combined into a single 120 size pack, and the 6 & 4 would
1175
# becombined into a size 10 pack. However, if we have to rewrite them,
1176
# we save a pack file with no increased I/O by putting them into the
1178
distribution = packs.pack_distribution(150)
1179
pack_operations = packs.plan_autopack_combinations(existing_packs,
1181
self.assertEqual([[130, ['a', 'b', 'c', 'f', 'g']]], pack_operations)
1183
def test_all_packs_none(self):
1184
format = self.get_format()
1185
tree = self.make_branch_and_tree('.', format=format)
1187
self.addCleanup(tree.unlock)
1188
packs = tree.branch.repository._pack_collection
1189
packs.ensure_loaded()
1190
self.assertEqual([], packs.all_packs())
1192
def test_all_packs_one(self):
1193
format = self.get_format()
1194
tree = self.make_branch_and_tree('.', format=format)
1195
tree.commit('start')
1197
self.addCleanup(tree.unlock)
1198
packs = tree.branch.repository._pack_collection
1199
packs.ensure_loaded()
1201
packs.get_pack_by_name(packs.names()[0])],
1204
def test_all_packs_two(self):
1205
format = self.get_format()
1206
tree = self.make_branch_and_tree('.', format=format)
1207
tree.commit('start')
1208
tree.commit('continue')
1210
self.addCleanup(tree.unlock)
1211
packs = tree.branch.repository._pack_collection
1212
packs.ensure_loaded()
1214
packs.get_pack_by_name(packs.names()[0]),
1215
packs.get_pack_by_name(packs.names()[1]),
1216
], packs.all_packs())
1218
def test_get_pack_by_name(self):
1219
format = self.get_format()
1220
tree = self.make_branch_and_tree('.', format=format)
1221
tree.commit('start')
1223
self.addCleanup(tree.unlock)
1224
packs = tree.branch.repository._pack_collection
1226
packs.ensure_loaded()
1227
name = packs.names()[0]
1228
pack_1 = packs.get_pack_by_name(name)
1229
# the pack should be correctly initialised
1230
sizes = packs._names[name]
1231
rev_index = GraphIndex(packs._index_transport, name + '.rix', sizes[0])
1232
inv_index = GraphIndex(packs._index_transport, name + '.iix', sizes[1])
1233
txt_index = GraphIndex(packs._index_transport, name + '.tix', sizes[2])
1234
sig_index = GraphIndex(packs._index_transport, name + '.six', sizes[3])
1235
self.assertEqual(pack_repo.ExistingPack(packs._pack_transport,
1236
name, rev_index, inv_index, txt_index, sig_index), pack_1)
1237
# and the same instance should be returned on successive calls.
1238
self.assertTrue(pack_1 is packs.get_pack_by_name(name))
1240
def test_reload_pack_names_new_entry(self):
1241
tree, r, packs, revs = self.make_packs_and_alt_repo()
1242
names = packs.names()
1243
# Add a new pack file into the repository
1244
rev4 = tree.commit('four')
1245
new_names = tree.branch.repository._pack_collection.names()
1246
new_name = set(new_names).difference(names)
1247
self.assertEqual(1, len(new_name))
1248
new_name = new_name.pop()
1249
# The old collection hasn't noticed yet
1250
self.assertEqual(names, packs.names())
1251
self.assertTrue(packs.reload_pack_names())
1252
self.assertEqual(new_names, packs.names())
1253
# And the repository can access the new revision
1254
self.assertEqual({rev4:(revs[-1],)}, r.get_parent_map([rev4]))
1255
self.assertFalse(packs.reload_pack_names())
1257
def test_reload_pack_names_added_and_removed(self):
1258
tree, r, packs, revs = self.make_packs_and_alt_repo()
1259
names = packs.names()
1260
# Now repack the whole thing
1261
tree.branch.repository.pack()
1262
new_names = tree.branch.repository._pack_collection.names()
1263
# The other collection hasn't noticed yet
1264
self.assertEqual(names, packs.names())
1265
self.assertTrue(packs.reload_pack_names())
1266
self.assertEqual(new_names, packs.names())
1267
self.assertEqual({revs[-1]:(revs[-2],)}, r.get_parent_map([revs[-1]]))
1268
self.assertFalse(packs.reload_pack_names())
1270
def test_reload_pack_names_preserves_pending(self):
1271
# TODO: Update this to also test for pending-deleted names
1272
tree, r, packs, revs = self.make_packs_and_alt_repo(write_lock=True)
1273
# We will add one pack (via start_write_group + insert_record_stream),
1274
# and remove another pack (via _remove_pack_from_memory)
1275
orig_names = packs.names()
1276
orig_at_load = packs._packs_at_load
1277
to_remove_name = next(iter(orig_names))
1278
r.start_write_group()
1279
self.addCleanup(r.abort_write_group)
1280
r.texts.insert_record_stream([versionedfile.FulltextContentFactory(
1281
('text', 'rev'), (), None, 'content\n')])
1282
new_pack = packs._new_pack
1283
self.assertTrue(new_pack.data_inserted())
1285
packs.allocate(new_pack)
1286
packs._new_pack = None
1287
removed_pack = packs.get_pack_by_name(to_remove_name)
1288
packs._remove_pack_from_memory(removed_pack)
1289
names = packs.names()
1290
all_nodes, deleted_nodes, new_nodes, _ = packs._diff_pack_names()
1291
new_names = {x[0][0] for x in new_nodes}
1292
self.assertEqual(names, sorted([x[0][0] for x in all_nodes]))
1293
self.assertEqual(set(names) - set(orig_names), new_names)
1294
self.assertEqual({new_pack.name}, new_names)
1295
self.assertEqual([to_remove_name],
1296
sorted([x[0][0] for x in deleted_nodes]))
1297
packs.reload_pack_names()
1298
reloaded_names = packs.names()
1299
self.assertEqual(orig_at_load, packs._packs_at_load)
1300
self.assertEqual(names, reloaded_names)
1301
all_nodes, deleted_nodes, new_nodes, _ = packs._diff_pack_names()
1302
new_names = {x[0][0] for x in new_nodes}
1303
self.assertEqual(names, sorted([x[0][0] for x in all_nodes]))
1304
self.assertEqual(set(names) - set(orig_names), new_names)
1305
self.assertEqual({new_pack.name}, new_names)
1306
self.assertEqual([to_remove_name],
1307
sorted([x[0][0] for x in deleted_nodes]))
1309
def test_autopack_obsoletes_new_pack(self):
1310
tree, r, packs, revs = self.make_packs_and_alt_repo(write_lock=True)
1311
packs._max_pack_count = lambda x: 1
1312
packs.pack_distribution = lambda x: [10]
1313
r.start_write_group()
1314
r.revisions.insert_record_stream([versionedfile.FulltextContentFactory(
1315
('bogus-rev',), (), None, 'bogus-content\n')])
1316
# This should trigger an autopack, which will combine everything into a
1318
new_names = r.commit_write_group()
1319
names = packs.names()
1320
self.assertEqual(1, len(names))
1321
self.assertEqual([names[0] + '.pack'],
1322
packs._pack_transport.list_dir('.'))
1324
def test_autopack_reloads_and_stops(self):
1325
tree, r, packs, revs = self.make_packs_and_alt_repo(write_lock=True)
1326
# After we have determined what needs to be autopacked, trigger a
1327
# full-pack via the other repo which will cause us to re-evaluate and
1328
# decide we don't need to do anything
1329
orig_execute = packs._execute_pack_operations
1330
def _munged_execute_pack_ops(*args, **kwargs):
1331
tree.branch.repository.pack()
1332
return orig_execute(*args, **kwargs)
1333
packs._execute_pack_operations = _munged_execute_pack_ops
1334
packs._max_pack_count = lambda x: 1
1335
packs.pack_distribution = lambda x: [10]
1336
self.assertFalse(packs.autopack())
1337
self.assertEqual(1, len(packs.names()))
1338
self.assertEqual(tree.branch.repository._pack_collection.names(),
1341
def test__save_pack_names(self):
1342
tree, r, packs, revs = self.make_packs_and_alt_repo(write_lock=True)
1343
names = packs.names()
1344
pack = packs.get_pack_by_name(names[0])
1345
packs._remove_pack_from_memory(pack)
1346
packs._save_pack_names(obsolete_packs=[pack])
1347
cur_packs = packs._pack_transport.list_dir('.')
1348
self.assertEqual([n + '.pack' for n in names[1:]], sorted(cur_packs))
1349
# obsolete_packs will also have stuff like .rix and .iix present.
1350
obsolete_packs = packs.transport.list_dir('obsolete_packs')
1351
obsolete_names = {osutils.splitext(n)[0] for n in obsolete_packs}
1352
self.assertEqual([pack.name], sorted(obsolete_names))
1354
def test__save_pack_names_already_obsoleted(self):
1355
tree, r, packs, revs = self.make_packs_and_alt_repo(write_lock=True)
1356
names = packs.names()
1357
pack = packs.get_pack_by_name(names[0])
1358
packs._remove_pack_from_memory(pack)
1359
# We are going to simulate a concurrent autopack by manually obsoleting
1360
# the pack directly.
1361
packs._obsolete_packs([pack])
1362
packs._save_pack_names(clear_obsolete_packs=True,
1363
obsolete_packs=[pack])
1364
cur_packs = packs._pack_transport.list_dir('.')
1365
self.assertEqual([n + '.pack' for n in names[1:]], sorted(cur_packs))
1366
# Note that while we set clear_obsolete_packs=True, it should not
1367
# delete a pack file that we have also scheduled for obsoletion.
1368
obsolete_packs = packs.transport.list_dir('obsolete_packs')
1369
obsolete_names = {osutils.splitext(n)[0] for n in obsolete_packs}
1370
self.assertEqual([pack.name], sorted(obsolete_names))
1372
def test_pack_no_obsolete_packs_directory(self):
1373
"""Bug #314314, don't fail if obsolete_packs directory does
1375
tree, r, packs, revs = self.make_packs_and_alt_repo(write_lock=True)
1376
r.control_transport.rmdir('obsolete_packs')
1377
packs._clear_obsolete_packs()
1380
class TestPack(TestCaseWithTransport):
1381
"""Tests for the Pack object."""
1383
def assertCurrentlyEqual(self, left, right):
1384
self.assertTrue(left == right)
1385
self.assertTrue(right == left)
1386
self.assertFalse(left != right)
1387
self.assertFalse(right != left)
1389
def assertCurrentlyNotEqual(self, left, right):
1390
self.assertFalse(left == right)
1391
self.assertFalse(right == left)
1392
self.assertTrue(left != right)
1393
self.assertTrue(right != left)
1395
def test___eq____ne__(self):
1396
left = pack_repo.ExistingPack('', '', '', '', '', '')
1397
right = pack_repo.ExistingPack('', '', '', '', '', '')
1398
self.assertCurrentlyEqual(left, right)
1399
# change all attributes and ensure equality changes as we do.
1400
left.revision_index = 'a'
1401
self.assertCurrentlyNotEqual(left, right)
1402
right.revision_index = 'a'
1403
self.assertCurrentlyEqual(left, right)
1404
left.inventory_index = 'a'
1405
self.assertCurrentlyNotEqual(left, right)
1406
right.inventory_index = 'a'
1407
self.assertCurrentlyEqual(left, right)
1408
left.text_index = 'a'
1409
self.assertCurrentlyNotEqual(left, right)
1410
right.text_index = 'a'
1411
self.assertCurrentlyEqual(left, right)
1412
left.signature_index = 'a'
1413
self.assertCurrentlyNotEqual(left, right)
1414
right.signature_index = 'a'
1415
self.assertCurrentlyEqual(left, right)
1417
self.assertCurrentlyNotEqual(left, right)
1419
self.assertCurrentlyEqual(left, right)
1420
left.transport = 'a'
1421
self.assertCurrentlyNotEqual(left, right)
1422
right.transport = 'a'
1423
self.assertCurrentlyEqual(left, right)
1425
def test_file_name(self):
1426
pack = pack_repo.ExistingPack('', 'a_name', '', '', '', '')
1427
self.assertEqual('a_name.pack', pack.file_name())
1430
class TestNewPack(TestCaseWithTransport):
1431
"""Tests for pack_repo.NewPack."""
1433
def test_new_instance_attributes(self):
1434
upload_transport = self.get_transport('upload')
1435
pack_transport = self.get_transport('pack')
1436
index_transport = self.get_transport('index')
1437
upload_transport.mkdir('.')
1438
collection = pack_repo.RepositoryPackCollection(
1440
transport=self.get_transport('.'),
1441
index_transport=index_transport,
1442
upload_transport=upload_transport,
1443
pack_transport=pack_transport,
1444
index_builder_class=BTreeBuilder,
1445
index_class=BTreeGraphIndex,
1446
use_chk_index=False)
1447
pack = pack_repo.NewPack(collection)
1448
self.addCleanup(pack.abort) # Make sure the write stream gets closed
1449
self.assertIsInstance(pack.revision_index, BTreeBuilder)
1450
self.assertIsInstance(pack.inventory_index, BTreeBuilder)
1451
self.assertIsInstance(pack._hash, type(osutils.md5()))
1452
self.assertTrue(pack.upload_transport is upload_transport)
1453
self.assertTrue(pack.index_transport is index_transport)
1454
self.assertTrue(pack.pack_transport is pack_transport)
1455
self.assertEqual(None, pack.index_sizes)
1456
self.assertEqual(20, len(pack.random_name))
1457
self.assertIsInstance(pack.random_name, str)
1458
self.assertIsInstance(pack.start_time, float)
1461
class TestPacker(TestCaseWithTransport):
1462
"""Tests for the packs repository Packer class."""
1464
def test_pack_optimizes_pack_order(self):
1465
builder = self.make_branch_builder('.', format="1.9")
1466
builder.start_series()
1467
builder.build_snapshot('A', None, [
1468
('add', ('', 'root-id', 'directory', None)),
1469
('add', ('f', 'f-id', 'file', 'content\n'))])
1470
builder.build_snapshot('B', ['A'],
1471
[('modify', ('f-id', 'new-content\n'))])
1472
builder.build_snapshot('C', ['B'],
1473
[('modify', ('f-id', 'third-content\n'))])
1474
builder.build_snapshot('D', ['C'],
1475
[('modify', ('f-id', 'fourth-content\n'))])
1476
b = builder.get_branch()
1478
builder.finish_series()
1479
self.addCleanup(b.unlock)
1480
# At this point, we should have 4 pack files available
1481
# Because of how they were built, they correspond to
1482
# ['D', 'C', 'B', 'A']
1483
packs = b.repository._pack_collection.packs
1484
packer = knitpack_repo.KnitPacker(b.repository._pack_collection,
1486
revision_ids=['B', 'C'])
1487
# Now, when we are copying the B & C revisions, their pack files should
1488
# be moved to the front of the stack
1489
# The new ordering moves B & C to the front of the .packs attribute,
1490
# and leaves the others in the original order.
1491
new_packs = [packs[1], packs[2], packs[0], packs[3]]
1492
new_pack = packer.pack()
1493
self.assertEqual(new_packs, packer.packs)
1496
class TestOptimisingPacker(TestCaseWithTransport):
1497
"""Tests for the OptimisingPacker class."""
1499
def get_pack_collection(self):
1500
repo = self.make_repository('.')
1501
return repo._pack_collection
1503
def test_open_pack_will_optimise(self):
1504
packer = knitpack_repo.OptimisingKnitPacker(self.get_pack_collection(),
1506
new_pack = packer.open_pack()
1507
self.addCleanup(new_pack.abort) # ensure cleanup
1508
self.assertIsInstance(new_pack, pack_repo.NewPack)
1509
self.assertTrue(new_pack.revision_index._optimize_for_size)
1510
self.assertTrue(new_pack.inventory_index._optimize_for_size)
1511
self.assertTrue(new_pack.text_index._optimize_for_size)
1512
self.assertTrue(new_pack.signature_index._optimize_for_size)
1515
class TestGCCHKPacker(TestCaseWithTransport):
1517
def make_abc_branch(self):
1518
builder = self.make_branch_builder('source')
1519
builder.start_series()
1520
builder.build_snapshot('A', None, [
1521
('add', ('', 'root-id', 'directory', None)),
1522
('add', ('file', 'file-id', 'file', 'content\n')),
1524
builder.build_snapshot('B', ['A'], [
1525
('add', ('dir', 'dir-id', 'directory', None))])
1526
builder.build_snapshot('C', ['B'], [
1527
('modify', ('file-id', 'new content\n'))])
1528
builder.finish_series()
1529
return builder.get_branch()
1531
def make_branch_with_disjoint_inventory_and_revision(self):
1532
"""a repo with separate packs for a revisions Revision and Inventory.
1534
There will be one pack file that holds the Revision content, and one
1535
for the Inventory content.
1537
:return: (repository,
1538
pack_name_with_rev_A_Revision,
1539
pack_name_with_rev_A_Inventory,
1540
pack_name_with_rev_C_content)
1542
b_source = self.make_abc_branch()
1543
b_base = b_source.bzrdir.sprout('base', revision_id='A').open_branch()
1544
b_stacked = b_base.bzrdir.sprout('stacked', stacked=True).open_branch()
1545
b_stacked.lock_write()
1546
self.addCleanup(b_stacked.unlock)
1547
b_stacked.fetch(b_source, 'B')
1548
# Now re-open the stacked repo directly (no fallbacks) so that we can
1549
# fill in the A rev.
1550
repo_not_stacked = b_stacked.bzrdir.open_repository()
1551
repo_not_stacked.lock_write()
1552
self.addCleanup(repo_not_stacked.unlock)
1553
# Now we should have a pack file with A's inventory, but not its
1555
self.assertEqual([('A',), ('B',)],
1556
sorted(repo_not_stacked.inventories.keys()))
1557
self.assertEqual([('B',)],
1558
sorted(repo_not_stacked.revisions.keys()))
1559
stacked_pack_names = repo_not_stacked._pack_collection.names()
1560
# We have a couple names here, figure out which has A's inventory
1561
for name in stacked_pack_names:
1562
pack = repo_not_stacked._pack_collection.get_pack_by_name(name)
1563
keys = [n[1] for n in pack.inventory_index.iter_all_entries()]
1565
inv_a_pack_name = name
1568
self.fail('Could not find pack containing A\'s inventory')
1569
repo_not_stacked.fetch(b_source.repository, 'A')
1570
self.assertEqual([('A',), ('B',)],
1571
sorted(repo_not_stacked.revisions.keys()))
1572
new_pack_names = set(repo_not_stacked._pack_collection.names())
1573
rev_a_pack_names = new_pack_names.difference(stacked_pack_names)
1574
self.assertEqual(1, len(rev_a_pack_names))
1575
rev_a_pack_name = list(rev_a_pack_names)[0]
1576
# Now fetch 'C', so we have a couple pack files to join
1577
repo_not_stacked.fetch(b_source.repository, 'C')
1578
rev_c_pack_names = set(repo_not_stacked._pack_collection.names())
1579
rev_c_pack_names = rev_c_pack_names.difference(new_pack_names)
1580
self.assertEqual(1, len(rev_c_pack_names))
1581
rev_c_pack_name = list(rev_c_pack_names)[0]
1582
return (repo_not_stacked, rev_a_pack_name, inv_a_pack_name,
1585
def test_pack_with_distant_inventories(self):
1586
# See https://bugs.launchpad.net/bzr/+bug/437003
1587
# When repacking, it is possible to have an inventory in a different
1588
# pack file than the associated revision. An autopack can then come
1589
# along, and miss that inventory, and complain.
1590
(repo, rev_a_pack_name, inv_a_pack_name, rev_c_pack_name
1591
) = self.make_branch_with_disjoint_inventory_and_revision()
1592
a_pack = repo._pack_collection.get_pack_by_name(rev_a_pack_name)
1593
c_pack = repo._pack_collection.get_pack_by_name(rev_c_pack_name)
1594
packer = groupcompress_repo.GCCHKPacker(repo._pack_collection,
1595
[a_pack, c_pack], '.test-pack')
1596
# This would raise ValueError in bug #437003, but should not raise an
1600
def test_pack_with_missing_inventory(self):
1601
# Similar to test_pack_with_missing_inventory, but this time, we force
1602
# the A inventory to actually be gone from the repository.
1603
(repo, rev_a_pack_name, inv_a_pack_name, rev_c_pack_name
1604
) = self.make_branch_with_disjoint_inventory_and_revision()
1605
inv_a_pack = repo._pack_collection.get_pack_by_name(inv_a_pack_name)
1606
repo._pack_collection._remove_pack_from_memory(inv_a_pack)
1607
packer = groupcompress_repo.GCCHKPacker(repo._pack_collection,
1608
repo._pack_collection.all_packs(), '.test-pack')
1609
e = self.assertRaises(ValueError, packer.pack)
1610
packer.new_pack.abort()
1611
self.assertContainsRe(str(e),
1612
r"We are missing inventories for revisions: .*'A'")
1615
class TestCrossFormatPacks(TestCaseWithTransport):
1617
def log_pack(self, hint=None):
1618
self.calls.append(('pack', hint))
1619
self.orig_pack(hint=hint)
1620
if self.expect_hint:
1621
self.assertTrue(hint)
1623
def run_stream(self, src_fmt, target_fmt, expect_pack_called):
1624
self.expect_hint = expect_pack_called
1626
source_tree = self.make_branch_and_tree('src', format=src_fmt)
1627
source_tree.lock_write()
1628
self.addCleanup(source_tree.unlock)
1629
tip = source_tree.commit('foo')
1630
target = self.make_repository('target', format=target_fmt)
1632
self.addCleanup(target.unlock)
1633
source = source_tree.branch.repository._get_source(target._format)
1634
self.orig_pack = target.pack
1635
self.overrideAttr(target, "pack", self.log_pack)
1636
search = target.search_missing_revision_ids(
1637
source_tree.branch.repository, revision_ids=[tip])
1638
stream = source.get_stream(search)
1639
from_format = source_tree.branch.repository._format
1640
sink = target._get_sink()
1641
sink.insert_stream(stream, from_format, [])
1642
if expect_pack_called:
1643
self.assertLength(1, self.calls)
1645
self.assertLength(0, self.calls)
1647
def run_fetch(self, src_fmt, target_fmt, expect_pack_called):
1648
self.expect_hint = expect_pack_called
1650
source_tree = self.make_branch_and_tree('src', format=src_fmt)
1651
source_tree.lock_write()
1652
self.addCleanup(source_tree.unlock)
1653
tip = source_tree.commit('foo')
1654
target = self.make_repository('target', format=target_fmt)
1656
self.addCleanup(target.unlock)
1657
source = source_tree.branch.repository
1658
self.orig_pack = target.pack
1659
self.overrideAttr(target, "pack", self.log_pack)
1660
target.fetch(source)
1661
if expect_pack_called:
1662
self.assertLength(1, self.calls)
1664
self.assertLength(0, self.calls)
1666
def test_sink_format_hint_no(self):
1667
# When the target format says packing makes no difference, pack is not
1669
self.run_stream('1.9', 'rich-root-pack', False)
1671
def test_sink_format_hint_yes(self):
1672
# When the target format says packing makes a difference, pack is
1674
self.run_stream('1.9', '2a', True)
1676
def test_sink_format_same_no(self):
1677
# When the formats are the same, pack is not called.
1678
self.run_stream('2a', '2a', False)
1680
def test_IDS_format_hint_no(self):
1681
# When the target format says packing makes no difference, pack is not
1683
self.run_fetch('1.9', 'rich-root-pack', False)
1685
def test_IDS_format_hint_yes(self):
1686
# When the target format says packing makes a difference, pack is
1688
self.run_fetch('1.9', '2a', True)
1690
def test_IDS_format_same_no(self):
1691
# When the formats are the same, pack is not called.
1692
self.run_fetch('2a', '2a', False)
1695
class Test_LazyListJoin(tests.TestCase):
1697
def test__repr__(self):
1698
lazy = repository._LazyListJoin(['a'], ['b'])
1699
self.assertEqual("breezy.repository._LazyListJoin((['a'], ['b']))",
1703
class TestFeatures(tests.TestCaseWithTransport):
1705
def test_open_with_present_feature(self):
1707
repository.RepositoryFormatMetaDir.unregister_feature,
1708
"makes-cheese-sandwich")
1709
repository.RepositoryFormatMetaDir.register_feature(
1710
"makes-cheese-sandwich")
1711
repo = self.make_repository('.')
1713
repo._format.features["makes-cheese-sandwich"] = "required"
1714
repo._format.check_support_status(False)
1717
def test_open_with_missing_required_feature(self):
1718
repo = self.make_repository('.')
1720
repo._format.features["makes-cheese-sandwich"] = "required"
1721
self.assertRaises(errors.MissingFeature,
1722
repo._format.check_support_status, False)
added
removed
breezy/tests/test_repository.py
