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Viewing changes to bzrlib/tests/test_repository.py

  • Committer: Robert Collins
  • Date: 2005-10-11 07:52:29 UTC
  • mto: This revision was merged to the branch mainline in revision 1444.
  • Revision ID: robertc@lifelesslap.robertcollins.net-20051011075229-e1a1429e0b59f80f
nuke --pattern to selftest, replace with regexp.search calls.

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1
 
# Copyright (C) 2006-2010 Canonical Ltd
2
 
#
3
 
# This program is free software; you can redistribute it and/or modify
4
 
# it under the terms of the GNU General Public License as published by
5
 
# the Free Software Foundation; either version 2 of the License, or
6
 
# (at your option) any later version.
7
 
#
8
 
# This program is distributed in the hope that it will be useful,
9
 
# but WITHOUT ANY WARRANTY; without even the implied warranty of
10
 
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11
 
# GNU General Public License for more details.
12
 
#
13
 
# You should have received a copy of the GNU General Public License
14
 
# along with this program; if not, write to the Free Software
15
 
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
16
 
 
17
 
"""Tests for the Repository facility that are not interface tests.
18
 
 
19
 
For interface tests see tests/per_repository/*.py.
20
 
 
21
 
For concrete class tests see this file, and for storage formats tests
22
 
also see this file.
23
 
"""
24
 
 
25
 
from stat import S_ISDIR
26
 
from StringIO import StringIO
27
 
import sys
28
 
 
29
 
import bzrlib
30
 
from bzrlib.errors import (NotBranchError,
31
 
                           NoSuchFile,
32
 
                           UnknownFormatError,
33
 
                           UnsupportedFormatError,
34
 
                           )
35
 
from bzrlib import (
36
 
    graph,
37
 
    tests,
38
 
    )
39
 
from bzrlib.branchbuilder import BranchBuilder
40
 
from bzrlib.btree_index import BTreeBuilder, BTreeGraphIndex
41
 
from bzrlib.index import GraphIndex, InMemoryGraphIndex
42
 
from bzrlib.repository import RepositoryFormat
43
 
from bzrlib.smart import server
44
 
from bzrlib.tests import (
45
 
    TestCase,
46
 
    TestCaseWithTransport,
47
 
    TestSkipped,
48
 
    test_knit,
49
 
    )
50
 
from bzrlib.transport import (
51
 
    fakenfs,
52
 
    get_transport,
53
 
    )
54
 
from bzrlib import (
55
 
    bencode,
56
 
    bzrdir,
57
 
    errors,
58
 
    inventory,
59
 
    osutils,
60
 
    progress,
61
 
    repository,
62
 
    revision as _mod_revision,
63
 
    symbol_versioning,
64
 
    upgrade,
65
 
    versionedfile,
66
 
    workingtree,
67
 
    )
68
 
from bzrlib.repofmt import (
69
 
    groupcompress_repo,
70
 
    knitrepo,
71
 
    pack_repo,
72
 
    weaverepo,
73
 
    )
74
 
 
75
 
 
76
 
class TestDefaultFormat(TestCase):
77
 
 
78
 
    def test_get_set_default_format(self):
79
 
        old_default = bzrdir.format_registry.get('default')
80
 
        private_default = old_default().repository_format.__class__
81
 
        old_format = repository.RepositoryFormat.get_default_format()
82
 
        self.assertTrue(isinstance(old_format, private_default))
83
 
        def make_sample_bzrdir():
84
 
            my_bzrdir = bzrdir.BzrDirMetaFormat1()
85
 
            my_bzrdir.repository_format = SampleRepositoryFormat()
86
 
            return my_bzrdir
87
 
        bzrdir.format_registry.remove('default')
88
 
        bzrdir.format_registry.register('sample', make_sample_bzrdir, '')
89
 
        bzrdir.format_registry.set_default('sample')
90
 
        # creating a repository should now create an instrumented dir.
91
 
        try:
92
 
            # the default branch format is used by the meta dir format
93
 
            # which is not the default bzrdir format at this point
94
 
            dir = bzrdir.BzrDirMetaFormat1().initialize('memory:///')
95
 
            result = dir.create_repository()
96
 
            self.assertEqual(result, 'A bzr repository dir')
97
 
        finally:
98
 
            bzrdir.format_registry.remove('default')
99
 
            bzrdir.format_registry.remove('sample')
100
 
            bzrdir.format_registry.register('default', old_default, '')
101
 
        self.assertIsInstance(repository.RepositoryFormat.get_default_format(),
102
 
                              old_format.__class__)
103
 
 
104
 
 
105
 
class SampleRepositoryFormat(repository.RepositoryFormat):
106
 
    """A sample format
107
 
 
108
 
    this format is initializable, unsupported to aid in testing the
109
 
    open and open(unsupported=True) routines.
110
 
    """
111
 
 
112
 
    def get_format_string(self):
113
 
        """See RepositoryFormat.get_format_string()."""
114
 
        return "Sample .bzr repository format."
115
 
 
116
 
    def initialize(self, a_bzrdir, shared=False):
117
 
        """Initialize a repository in a BzrDir"""
118
 
        t = a_bzrdir.get_repository_transport(self)
119
 
        t.put_bytes('format', self.get_format_string())
120
 
        return 'A bzr repository dir'
121
 
 
122
 
    def is_supported(self):
123
 
        return False
124
 
 
125
 
    def open(self, a_bzrdir, _found=False):
126
 
        return "opened repository."
127
 
 
128
 
 
129
 
class TestRepositoryFormat(TestCaseWithTransport):
130
 
    """Tests for the Repository format detection used by the bzr meta dir facility.BzrBranchFormat facility."""
131
 
 
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 = get_transport(url)
141
 
            found_format = repository.RepositoryFormat.find_format(dir)
142
 
            self.failUnless(isinstance(found_format, format.__class__))
143
 
        check_format(weaverepo.RepositoryFormat7(), "bar")
144
 
 
145
 
    def test_find_format_no_repository(self):
146
 
        dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
147
 
        self.assertRaises(errors.NoRepositoryPresent,
148
 
                          repository.RepositoryFormat.find_format,
149
 
                          dir)
150
 
 
151
 
    def test_find_format_unknown_format(self):
152
 
        dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
153
 
        SampleRepositoryFormat().initialize(dir)
154
 
        self.assertRaises(UnknownFormatError,
155
 
                          repository.RepositoryFormat.find_format,
156
 
                          dir)
157
 
 
158
 
    def test_register_unregister_format(self):
159
 
        format = SampleRepositoryFormat()
160
 
        # make a control dir
161
 
        dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
162
 
        # make a repo
163
 
        format.initialize(dir)
164
 
        # register a format for it.
165
 
        repository.RepositoryFormat.register_format(format)
166
 
        # which repository.Open will refuse (not supported)
167
 
        self.assertRaises(UnsupportedFormatError, repository.Repository.open, self.get_url())
168
 
        # but open(unsupported) will work
169
 
        self.assertEqual(format.open(dir), "opened repository.")
170
 
        # unregister the format
171
 
        repository.RepositoryFormat.unregister_format(format)
172
 
 
173
 
 
174
 
class TestFormat6(TestCaseWithTransport):
175
 
 
176
 
    def test_attribute__fetch_order(self):
177
 
        """Weaves need topological data insertion."""
178
 
        control = bzrdir.BzrDirFormat6().initialize(self.get_url())
179
 
        repo = weaverepo.RepositoryFormat6().initialize(control)
180
 
        self.assertEqual('topological', repo._format._fetch_order)
181
 
 
182
 
    def test_attribute__fetch_uses_deltas(self):
183
 
        """Weaves do not reuse deltas."""
184
 
        control = bzrdir.BzrDirFormat6().initialize(self.get_url())
185
 
        repo = weaverepo.RepositoryFormat6().initialize(control)
186
 
        self.assertEqual(False, repo._format._fetch_uses_deltas)
187
 
 
188
 
    def test_attribute__fetch_reconcile(self):
189
 
        """Weave repositories need a reconcile after fetch."""
190
 
        control = bzrdir.BzrDirFormat6().initialize(self.get_url())
191
 
        repo = weaverepo.RepositoryFormat6().initialize(control)
192
 
        self.assertEqual(True, repo._format._fetch_reconcile)
193
 
 
194
 
    def test_no_ancestry_weave(self):
195
 
        control = bzrdir.BzrDirFormat6().initialize(self.get_url())
196
 
        repo = weaverepo.RepositoryFormat6().initialize(control)
197
 
        # We no longer need to create the ancestry.weave file
198
 
        # since it is *never* used.
199
 
        self.assertRaises(NoSuchFile,
200
 
                          control.transport.get,
201
 
                          'ancestry.weave')
202
 
 
203
 
    def test_supports_external_lookups(self):
204
 
        control = bzrdir.BzrDirFormat6().initialize(self.get_url())
205
 
        repo = weaverepo.RepositoryFormat6().initialize(control)
206
 
        self.assertFalse(repo._format.supports_external_lookups)
207
 
 
208
 
 
209
 
class TestFormat7(TestCaseWithTransport):
210
 
 
211
 
    def test_attribute__fetch_order(self):
212
 
        """Weaves need topological data insertion."""
213
 
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
214
 
        repo = weaverepo.RepositoryFormat7().initialize(control)
215
 
        self.assertEqual('topological', repo._format._fetch_order)
216
 
 
217
 
    def test_attribute__fetch_uses_deltas(self):
218
 
        """Weaves do not reuse deltas."""
219
 
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
220
 
        repo = weaverepo.RepositoryFormat7().initialize(control)
221
 
        self.assertEqual(False, repo._format._fetch_uses_deltas)
222
 
 
223
 
    def test_attribute__fetch_reconcile(self):
224
 
        """Weave repositories need a reconcile after fetch."""
225
 
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
226
 
        repo = weaverepo.RepositoryFormat7().initialize(control)
227
 
        self.assertEqual(True, repo._format._fetch_reconcile)
228
 
 
229
 
    def test_disk_layout(self):
230
 
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
231
 
        repo = weaverepo.RepositoryFormat7().initialize(control)
232
 
        # in case of side effects of locking.
233
 
        repo.lock_write()
234
 
        repo.unlock()
235
 
        # we want:
236
 
        # format 'Bazaar-NG Repository format 7'
237
 
        # lock ''
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 Repository format 7',
243
 
                             t.get('format').read())
244
 
        self.assertTrue(S_ISDIR(t.stat('revision-store').st_mode))
245
 
        self.assertTrue(S_ISDIR(t.stat('weaves').st_mode))
246
 
        self.assertEqualDiff('# bzr weave file v5\n'
247
 
                             'w\n'
248
 
                             'W\n',
249
 
                             t.get('inventory.weave').read())
250
 
        # Creating a file with id Foo:Bar results in a non-escaped file name on
251
 
        # disk.
252
 
        control.create_branch()
253
 
        tree = control.create_workingtree()
254
 
        tree.add(['foo'], ['Foo:Bar'], ['file'])
255
 
        tree.put_file_bytes_non_atomic('Foo:Bar', 'content\n')
256
 
        try:
257
 
            tree.commit('first post', rev_id='first')
258
 
        except errors.IllegalPath:
259
 
            if sys.platform != 'win32':
260
 
                raise
261
 
            self.knownFailure('Foo:Bar cannot be used as a file-id on windows'
262
 
                              ' in repo format 7')
263
 
            return
264
 
        self.assertEqualDiff(
265
 
            '# bzr weave file v5\n'
266
 
            'i\n'
267
 
            '1 7fe70820e08a1aac0ef224d9c66ab66831cc4ab1\n'
268
 
            'n first\n'
269
 
            '\n'
270
 
            'w\n'
271
 
            '{ 0\n'
272
 
            '. content\n'
273
 
            '}\n'
274
 
            'W\n',
275
 
            t.get('weaves/74/Foo%3ABar.weave').read())
276
 
 
277
 
    def test_shared_disk_layout(self):
278
 
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
279
 
        repo = weaverepo.RepositoryFormat7().initialize(control, shared=True)
280
 
        # we want:
281
 
        # format 'Bazaar-NG Repository format 7'
282
 
        # inventory.weave == empty_weave
283
 
        # empty revision-store directory
284
 
        # empty weaves directory
285
 
        # a 'shared-storage' marker file.
286
 
        # lock is not present when unlocked
287
 
        t = control.get_repository_transport(None)
288
 
        self.assertEqualDiff('Bazaar-NG Repository format 7',
289
 
                             t.get('format').read())
290
 
        self.assertEqualDiff('', t.get('shared-storage').read())
291
 
        self.assertTrue(S_ISDIR(t.stat('revision-store').st_mode))
292
 
        self.assertTrue(S_ISDIR(t.stat('weaves').st_mode))
293
 
        self.assertEqualDiff('# bzr weave file v5\n'
294
 
                             'w\n'
295
 
                             'W\n',
296
 
                             t.get('inventory.weave').read())
297
 
        self.assertFalse(t.has('branch-lock'))
298
 
 
299
 
    def test_creates_lockdir(self):
300
 
        """Make sure it appears to be controlled by a LockDir existence"""
301
 
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
302
 
        repo = weaverepo.RepositoryFormat7().initialize(control, shared=True)
303
 
        t = control.get_repository_transport(None)
304
 
        # TODO: Should check there is a 'lock' toplevel directory,
305
 
        # regardless of contents
306
 
        self.assertFalse(t.has('lock/held/info'))
307
 
        repo.lock_write()
308
 
        try:
309
 
            self.assertTrue(t.has('lock/held/info'))
310
 
        finally:
311
 
            # unlock so we don't get a warning about failing to do so
312
 
            repo.unlock()
313
 
 
314
 
    def test_uses_lockdir(self):
315
 
        """repo format 7 actually locks on lockdir"""
316
 
        base_url = self.get_url()
317
 
        control = bzrdir.BzrDirMetaFormat1().initialize(base_url)
318
 
        repo = weaverepo.RepositoryFormat7().initialize(control, shared=True)
319
 
        t = control.get_repository_transport(None)
320
 
        repo.lock_write()
321
 
        repo.unlock()
322
 
        del repo
323
 
        # make sure the same lock is created by opening it
324
 
        repo = repository.Repository.open(base_url)
325
 
        repo.lock_write()
326
 
        self.assertTrue(t.has('lock/held/info'))
327
 
        repo.unlock()
328
 
        self.assertFalse(t.has('lock/held/info'))
329
 
 
330
 
    def test_shared_no_tree_disk_layout(self):
331
 
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
332
 
        repo = weaverepo.RepositoryFormat7().initialize(control, shared=True)
333
 
        repo.set_make_working_trees(False)
334
 
        # we want:
335
 
        # format 'Bazaar-NG Repository format 7'
336
 
        # lock ''
337
 
        # inventory.weave == empty_weave
338
 
        # empty revision-store directory
339
 
        # empty weaves directory
340
 
        # a 'shared-storage' marker file.
341
 
        t = control.get_repository_transport(None)
342
 
        self.assertEqualDiff('Bazaar-NG Repository format 7',
343
 
                             t.get('format').read())
344
 
        ## self.assertEqualDiff('', t.get('lock').read())
345
 
        self.assertEqualDiff('', t.get('shared-storage').read())
346
 
        self.assertEqualDiff('', t.get('no-working-trees').read())
347
 
        repo.set_make_working_trees(True)
348
 
        self.assertFalse(t.has('no-working-trees'))
349
 
        self.assertTrue(S_ISDIR(t.stat('revision-store').st_mode))
350
 
        self.assertTrue(S_ISDIR(t.stat('weaves').st_mode))
351
 
        self.assertEqualDiff('# bzr weave file v5\n'
352
 
                             'w\n'
353
 
                             'W\n',
354
 
                             t.get('inventory.weave').read())
355
 
 
356
 
    def test_supports_external_lookups(self):
357
 
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
358
 
        repo = weaverepo.RepositoryFormat7().initialize(control)
359
 
        self.assertFalse(repo._format.supports_external_lookups)
360
 
 
361
 
 
362
 
class TestFormatKnit1(TestCaseWithTransport):
363
 
 
364
 
    def test_attribute__fetch_order(self):
365
 
        """Knits need topological data insertion."""
366
 
        repo = self.make_repository('.',
367
 
                format=bzrdir.format_registry.get('knit')())
368
 
        self.assertEqual('topological', repo._format._fetch_order)
369
 
 
370
 
    def test_attribute__fetch_uses_deltas(self):
371
 
        """Knits reuse deltas."""
372
 
        repo = self.make_repository('.',
373
 
                format=bzrdir.format_registry.get('knit')())
374
 
        self.assertEqual(True, repo._format._fetch_uses_deltas)
375
 
 
376
 
    def test_disk_layout(self):
377
 
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
378
 
        repo = knitrepo.RepositoryFormatKnit1().initialize(control)
379
 
        # in case of side effects of locking.
380
 
        repo.lock_write()
381
 
        repo.unlock()
382
 
        # we want:
383
 
        # format 'Bazaar-NG Knit Repository Format 1'
384
 
        # lock: is a directory
385
 
        # inventory.weave == empty_weave
386
 
        # empty revision-store directory
387
 
        # empty weaves directory
388
 
        t = control.get_repository_transport(None)
389
 
        self.assertEqualDiff('Bazaar-NG Knit Repository Format 1',
390
 
                             t.get('format').read())
391
 
        # XXX: no locks left when unlocked at the moment
392
 
        # self.assertEqualDiff('', t.get('lock').read())
393
 
        self.assertTrue(S_ISDIR(t.stat('knits').st_mode))
394
 
        self.check_knits(t)
395
 
        # Check per-file knits.
396
 
        branch = control.create_branch()
397
 
        tree = control.create_workingtree()
398
 
        tree.add(['foo'], ['Nasty-IdC:'], ['file'])
399
 
        tree.put_file_bytes_non_atomic('Nasty-IdC:', '')
400
 
        tree.commit('1st post', rev_id='foo')
401
 
        self.assertHasKnit(t, 'knits/e8/%254easty-%2549d%2543%253a',
402
 
            '\nfoo fulltext 0 81  :')
403
 
 
404
 
    def assertHasKnit(self, t, knit_name, extra_content=''):
405
 
        """Assert that knit_name exists on t."""
406
 
        self.assertEqualDiff('# bzr knit index 8\n' + extra_content,
407
 
                             t.get(knit_name + '.kndx').read())
408
 
 
409
 
    def check_knits(self, t):
410
 
        """check knit content for a repository."""
411
 
        self.assertHasKnit(t, 'inventory')
412
 
        self.assertHasKnit(t, 'revisions')
413
 
        self.assertHasKnit(t, 'signatures')
414
 
 
415
 
    def test_shared_disk_layout(self):
416
 
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
417
 
        repo = knitrepo.RepositoryFormatKnit1().initialize(control, shared=True)
418
 
        # we want:
419
 
        # format 'Bazaar-NG Knit Repository Format 1'
420
 
        # lock: is a directory
421
 
        # inventory.weave == empty_weave
422
 
        # empty revision-store directory
423
 
        # empty weaves directory
424
 
        # a 'shared-storage' marker file.
425
 
        t = control.get_repository_transport(None)
426
 
        self.assertEqualDiff('Bazaar-NG Knit Repository Format 1',
427
 
                             t.get('format').read())
428
 
        # XXX: no locks left when unlocked at the moment
429
 
        # self.assertEqualDiff('', t.get('lock').read())
430
 
        self.assertEqualDiff('', t.get('shared-storage').read())
431
 
        self.assertTrue(S_ISDIR(t.stat('knits').st_mode))
432
 
        self.check_knits(t)
433
 
 
434
 
    def test_shared_no_tree_disk_layout(self):
435
 
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
436
 
        repo = knitrepo.RepositoryFormatKnit1().initialize(control, shared=True)
437
 
        repo.set_make_working_trees(False)
438
 
        # we want:
439
 
        # format 'Bazaar-NG Knit Repository Format 1'
440
 
        # lock ''
441
 
        # inventory.weave == empty_weave
442
 
        # empty revision-store directory
443
 
        # empty weaves directory
444
 
        # a 'shared-storage' marker file.
445
 
        t = control.get_repository_transport(None)
446
 
        self.assertEqualDiff('Bazaar-NG Knit Repository Format 1',
447
 
                             t.get('format').read())
448
 
        # XXX: no locks left when unlocked at the moment
449
 
        # self.assertEqualDiff('', t.get('lock').read())
450
 
        self.assertEqualDiff('', t.get('shared-storage').read())
451
 
        self.assertEqualDiff('', t.get('no-working-trees').read())
452
 
        repo.set_make_working_trees(True)
453
 
        self.assertFalse(t.has('no-working-trees'))
454
 
        self.assertTrue(S_ISDIR(t.stat('knits').st_mode))
455
 
        self.check_knits(t)
456
 
 
457
 
    def test_deserialise_sets_root_revision(self):
458
 
        """We must have a inventory.root.revision
459
 
 
460
 
        Old versions of the XML5 serializer did not set the revision_id for
461
 
        the whole inventory. So we grab the one from the expected text. Which
462
 
        is valid when the api is not being abused.
463
 
        """
464
 
        repo = self.make_repository('.',
465
 
                format=bzrdir.format_registry.get('knit')())
466
 
        inv_xml = '<inventory format="5">\n</inventory>\n'
467
 
        inv = repo._deserialise_inventory('test-rev-id', inv_xml)
468
 
        self.assertEqual('test-rev-id', inv.root.revision)
469
 
 
470
 
    def test_deserialise_uses_global_revision_id(self):
471
 
        """If it is set, then we re-use the global revision id"""
472
 
        repo = self.make_repository('.',
473
 
                format=bzrdir.format_registry.get('knit')())
474
 
        inv_xml = ('<inventory format="5" revision_id="other-rev-id">\n'
475
 
                   '</inventory>\n')
476
 
        # Arguably, the deserialise_inventory should detect a mismatch, and
477
 
        # raise an error, rather than silently using one revision_id over the
478
 
        # other.
479
 
        self.assertRaises(AssertionError, repo._deserialise_inventory,
480
 
            'test-rev-id', inv_xml)
481
 
        inv = repo._deserialise_inventory('other-rev-id', inv_xml)
482
 
        self.assertEqual('other-rev-id', inv.root.revision)
483
 
 
484
 
    def test_supports_external_lookups(self):
485
 
        repo = self.make_repository('.',
486
 
                format=bzrdir.format_registry.get('knit')())
487
 
        self.assertFalse(repo._format.supports_external_lookups)
488
 
 
489
 
 
490
 
class DummyRepository(object):
491
 
    """A dummy repository for testing."""
492
 
 
493
 
    _format = None
494
 
    _serializer = None
495
 
 
496
 
    def supports_rich_root(self):
497
 
        if self._format is not None:
498
 
            return self._format.rich_root_data
499
 
        return False
500
 
 
501
 
    def get_graph(self):
502
 
        raise NotImplementedError
503
 
 
504
 
    def get_parent_map(self, revision_ids):
505
 
        raise NotImplementedError
506
 
 
507
 
 
508
 
class InterDummy(repository.InterRepository):
509
 
    """An inter-repository optimised code path for DummyRepository.
510
 
 
511
 
    This is for use during testing where we use DummyRepository as repositories
512
 
    so that none of the default regsitered inter-repository classes will
513
 
    MATCH.
514
 
    """
515
 
 
516
 
    @staticmethod
517
 
    def is_compatible(repo_source, repo_target):
518
 
        """InterDummy is compatible with DummyRepository."""
519
 
        return (isinstance(repo_source, DummyRepository) and
520
 
            isinstance(repo_target, DummyRepository))
521
 
 
522
 
 
523
 
class TestInterRepository(TestCaseWithTransport):
524
 
 
525
 
    def test_get_default_inter_repository(self):
526
 
        # test that the InterRepository.get(repo_a, repo_b) probes
527
 
        # for a inter_repo class where is_compatible(repo_a, repo_b) returns
528
 
        # true and returns a default inter_repo otherwise.
529
 
        # This also tests that the default registered optimised interrepository
530
 
        # classes do not barf inappropriately when a surprising repository type
531
 
        # is handed to them.
532
 
        dummy_a = DummyRepository()
533
 
        dummy_b = DummyRepository()
534
 
        self.assertGetsDefaultInterRepository(dummy_a, dummy_b)
535
 
 
536
 
    def assertGetsDefaultInterRepository(self, repo_a, repo_b):
537
 
        """Asserts that InterRepository.get(repo_a, repo_b) -> the default.
538
 
 
539
 
        The effective default is now InterSameDataRepository because there is
540
 
        no actual sane default in the presence of incompatible data models.
541
 
        """
542
 
        inter_repo = repository.InterRepository.get(repo_a, repo_b)
543
 
        self.assertEqual(repository.InterSameDataRepository,
544
 
                         inter_repo.__class__)
545
 
        self.assertEqual(repo_a, inter_repo.source)
546
 
        self.assertEqual(repo_b, inter_repo.target)
547
 
 
548
 
    def test_register_inter_repository_class(self):
549
 
        # test that a optimised code path provider - a
550
 
        # InterRepository subclass can be registered and unregistered
551
 
        # and that it is correctly selected when given a repository
552
 
        # pair that it returns true on for the is_compatible static method
553
 
        # check
554
 
        dummy_a = DummyRepository()
555
 
        dummy_a._format = RepositoryFormat()
556
 
        dummy_b = DummyRepository()
557
 
        dummy_b._format = RepositoryFormat()
558
 
        repo = self.make_repository('.')
559
 
        # hack dummies to look like repo somewhat.
560
 
        dummy_a._serializer = repo._serializer
561
 
        dummy_a._format.supports_tree_reference = repo._format.supports_tree_reference
562
 
        dummy_a._format.rich_root_data = repo._format.rich_root_data
563
 
        dummy_b._serializer = repo._serializer
564
 
        dummy_b._format.supports_tree_reference = repo._format.supports_tree_reference
565
 
        dummy_b._format.rich_root_data = repo._format.rich_root_data
566
 
        repository.InterRepository.register_optimiser(InterDummy)
567
 
        try:
568
 
            # we should get the default for something InterDummy returns False
569
 
            # to
570
 
            self.assertFalse(InterDummy.is_compatible(dummy_a, repo))
571
 
            self.assertGetsDefaultInterRepository(dummy_a, repo)
572
 
            # and we should get an InterDummy for a pair it 'likes'
573
 
            self.assertTrue(InterDummy.is_compatible(dummy_a, dummy_b))
574
 
            inter_repo = repository.InterRepository.get(dummy_a, dummy_b)
575
 
            self.assertEqual(InterDummy, inter_repo.__class__)
576
 
            self.assertEqual(dummy_a, inter_repo.source)
577
 
            self.assertEqual(dummy_b, inter_repo.target)
578
 
        finally:
579
 
            repository.InterRepository.unregister_optimiser(InterDummy)
580
 
        # now we should get the default InterRepository object again.
581
 
        self.assertGetsDefaultInterRepository(dummy_a, dummy_b)
582
 
 
583
 
 
584
 
class TestInterWeaveRepo(TestCaseWithTransport):
585
 
 
586
 
    def test_is_compatible_and_registered(self):
587
 
        # InterWeaveRepo is compatible when either side
588
 
        # is a format 5/6/7 branch
589
 
        from bzrlib.repofmt import knitrepo, weaverepo
590
 
        formats = [weaverepo.RepositoryFormat5(),
591
 
                   weaverepo.RepositoryFormat6(),
592
 
                   weaverepo.RepositoryFormat7()]
593
 
        incompatible_formats = [weaverepo.RepositoryFormat4(),
594
 
                                knitrepo.RepositoryFormatKnit1(),
595
 
                                ]
596
 
        repo_a = self.make_repository('a')
597
 
        repo_b = self.make_repository('b')
598
 
        is_compatible = repository.InterWeaveRepo.is_compatible
599
 
        for source in incompatible_formats:
600
 
            # force incompatible left then right
601
 
            repo_a._format = source
602
 
            repo_b._format = formats[0]
603
 
            self.assertFalse(is_compatible(repo_a, repo_b))
604
 
            self.assertFalse(is_compatible(repo_b, repo_a))
605
 
        for source in formats:
606
 
            repo_a._format = source
607
 
            for target in formats:
608
 
                repo_b._format = target
609
 
                self.assertTrue(is_compatible(repo_a, repo_b))
610
 
        self.assertEqual(repository.InterWeaveRepo,
611
 
                         repository.InterRepository.get(repo_a,
612
 
                                                        repo_b).__class__)
613
 
 
614
 
 
615
 
class TestRepositoryConverter(TestCaseWithTransport):
616
 
 
617
 
    def test_convert_empty(self):
618
 
        t = get_transport(self.get_url('.'))
619
 
        t.mkdir('repository')
620
 
        repo_dir = bzrdir.BzrDirMetaFormat1().initialize('repository')
621
 
        repo = weaverepo.RepositoryFormat7().initialize(repo_dir)
622
 
        target_format = knitrepo.RepositoryFormatKnit1()
623
 
        converter = repository.CopyConverter(target_format)
624
 
        pb = bzrlib.ui.ui_factory.nested_progress_bar()
625
 
        try:
626
 
            converter.convert(repo, pb)
627
 
        finally:
628
 
            pb.finished()
629
 
        repo = repo_dir.open_repository()
630
 
        self.assertTrue(isinstance(target_format, repo._format.__class__))
631
 
 
632
 
 
633
 
class TestMisc(TestCase):
634
 
 
635
 
    def test_unescape_xml(self):
636
 
        """We get some kind of error when malformed entities are passed"""
637
 
        self.assertRaises(KeyError, repository._unescape_xml, 'foo&bar;')
638
 
 
639
 
 
640
 
class TestRepositoryFormatKnit3(TestCaseWithTransport):
641
 
 
642
 
    def test_attribute__fetch_order(self):
643
 
        """Knits need topological data insertion."""
644
 
        format = bzrdir.BzrDirMetaFormat1()
645
 
        format.repository_format = knitrepo.RepositoryFormatKnit3()
646
 
        repo = self.make_repository('.', format=format)
647
 
        self.assertEqual('topological', repo._format._fetch_order)
648
 
 
649
 
    def test_attribute__fetch_uses_deltas(self):
650
 
        """Knits reuse deltas."""
651
 
        format = bzrdir.BzrDirMetaFormat1()
652
 
        format.repository_format = knitrepo.RepositoryFormatKnit3()
653
 
        repo = self.make_repository('.', format=format)
654
 
        self.assertEqual(True, repo._format._fetch_uses_deltas)
655
 
 
656
 
    def test_convert(self):
657
 
        """Ensure the upgrade adds weaves for roots"""
658
 
        format = bzrdir.BzrDirMetaFormat1()
659
 
        format.repository_format = knitrepo.RepositoryFormatKnit1()
660
 
        tree = self.make_branch_and_tree('.', format)
661
 
        tree.commit("Dull commit", rev_id="dull")
662
 
        revision_tree = tree.branch.repository.revision_tree('dull')
663
 
        revision_tree.lock_read()
664
 
        try:
665
 
            self.assertRaises(errors.NoSuchFile, revision_tree.get_file_lines,
666
 
                revision_tree.inventory.root.file_id)
667
 
        finally:
668
 
            revision_tree.unlock()
669
 
        format = bzrdir.BzrDirMetaFormat1()
670
 
        format.repository_format = knitrepo.RepositoryFormatKnit3()
671
 
        upgrade.Convert('.', format)
672
 
        tree = workingtree.WorkingTree.open('.')
673
 
        revision_tree = tree.branch.repository.revision_tree('dull')
674
 
        revision_tree.lock_read()
675
 
        try:
676
 
            revision_tree.get_file_lines(revision_tree.inventory.root.file_id)
677
 
        finally:
678
 
            revision_tree.unlock()
679
 
        tree.commit("Another dull commit", rev_id='dull2')
680
 
        revision_tree = tree.branch.repository.revision_tree('dull2')
681
 
        revision_tree.lock_read()
682
 
        self.addCleanup(revision_tree.unlock)
683
 
        self.assertEqual('dull', revision_tree.inventory.root.revision)
684
 
 
685
 
    def test_supports_external_lookups(self):
686
 
        format = bzrdir.BzrDirMetaFormat1()
687
 
        format.repository_format = knitrepo.RepositoryFormatKnit3()
688
 
        repo = self.make_repository('.', format=format)
689
 
        self.assertFalse(repo._format.supports_external_lookups)
690
 
 
691
 
 
692
 
class Test2a(tests.TestCaseWithMemoryTransport):
693
 
 
694
 
    def test_fetch_combines_groups(self):
695
 
        builder = self.make_branch_builder('source', format='2a')
696
 
        builder.start_series()
697
 
        builder.build_snapshot('1', None, [
698
 
            ('add', ('', 'root-id', 'directory', '')),
699
 
            ('add', ('file', 'file-id', 'file', 'content\n'))])
700
 
        builder.build_snapshot('2', ['1'], [
701
 
            ('modify', ('file-id', 'content-2\n'))])
702
 
        builder.finish_series()
703
 
        source = builder.get_branch()
704
 
        target = self.make_repository('target', format='2a')
705
 
        target.fetch(source.repository)
706
 
        target.lock_read()
707
 
        self.addCleanup(target.unlock)
708
 
        details = target.texts._index.get_build_details(
709
 
            [('file-id', '1',), ('file-id', '2',)])
710
 
        file_1_details = details[('file-id', '1')]
711
 
        file_2_details = details[('file-id', '2')]
712
 
        # The index, and what to read off disk, should be the same for both
713
 
        # versions of the file.
714
 
        self.assertEqual(file_1_details[0][:3], file_2_details[0][:3])
715
 
 
716
 
    def test_fetch_combines_groups(self):
717
 
        builder = self.make_branch_builder('source', format='2a')
718
 
        builder.start_series()
719
 
        builder.build_snapshot('1', None, [
720
 
            ('add', ('', 'root-id', 'directory', '')),
721
 
            ('add', ('file', 'file-id', 'file', 'content\n'))])
722
 
        builder.build_snapshot('2', ['1'], [
723
 
            ('modify', ('file-id', 'content-2\n'))])
724
 
        builder.finish_series()
725
 
        source = builder.get_branch()
726
 
        target = self.make_repository('target', format='2a')
727
 
        target.fetch(source.repository)
728
 
        target.lock_read()
729
 
        self.addCleanup(target.unlock)
730
 
        details = target.texts._index.get_build_details(
731
 
            [('file-id', '1',), ('file-id', '2',)])
732
 
        file_1_details = details[('file-id', '1')]
733
 
        file_2_details = details[('file-id', '2')]
734
 
        # The index, and what to read off disk, should be the same for both
735
 
        # versions of the file.
736
 
        self.assertEqual(file_1_details[0][:3], file_2_details[0][:3])
737
 
 
738
 
    def test_fetch_combines_groups(self):
739
 
        builder = self.make_branch_builder('source', format='2a')
740
 
        builder.start_series()
741
 
        builder.build_snapshot('1', None, [
742
 
            ('add', ('', 'root-id', 'directory', '')),
743
 
            ('add', ('file', 'file-id', 'file', 'content\n'))])
744
 
        builder.build_snapshot('2', ['1'], [
745
 
            ('modify', ('file-id', 'content-2\n'))])
746
 
        builder.finish_series()
747
 
        source = builder.get_branch()
748
 
        target = self.make_repository('target', format='2a')
749
 
        target.fetch(source.repository)
750
 
        target.lock_read()
751
 
        self.addCleanup(target.unlock)
752
 
        details = target.texts._index.get_build_details(
753
 
            [('file-id', '1',), ('file-id', '2',)])
754
 
        file_1_details = details[('file-id', '1')]
755
 
        file_2_details = details[('file-id', '2')]
756
 
        # The index, and what to read off disk, should be the same for both
757
 
        # versions of the file.
758
 
        self.assertEqual(file_1_details[0][:3], file_2_details[0][:3])
759
 
 
760
 
    def test_format_pack_compresses_True(self):
761
 
        repo = self.make_repository('repo', format='2a')
762
 
        self.assertTrue(repo._format.pack_compresses)
763
 
 
764
 
    def test_inventories_use_chk_map_with_parent_base_dict(self):
765
 
        tree = self.make_branch_and_memory_tree('repo', format="2a")
766
 
        tree.lock_write()
767
 
        tree.add([''], ['TREE_ROOT'])
768
 
        revid = tree.commit("foo")
769
 
        tree.unlock()
770
 
        tree.lock_read()
771
 
        self.addCleanup(tree.unlock)
772
 
        inv = tree.branch.repository.get_inventory(revid)
773
 
        self.assertNotEqual(None, inv.parent_id_basename_to_file_id)
774
 
        inv.parent_id_basename_to_file_id._ensure_root()
775
 
        inv.id_to_entry._ensure_root()
776
 
        self.assertEqual(65536, inv.id_to_entry._root_node.maximum_size)
777
 
        self.assertEqual(65536,
778
 
            inv.parent_id_basename_to_file_id._root_node.maximum_size)
779
 
 
780
 
    def test_autopack_unchanged_chk_nodes(self):
781
 
        # at 20 unchanged commits, chk pages are packed that are split into
782
 
        # two groups such that the new pack being made doesn't have all its
783
 
        # pages in the source packs (though they are in the repository).
784
 
        # Use a memory backed repository, we don't need to hit disk for this
785
 
        tree = self.make_branch_and_memory_tree('tree', format='2a')
786
 
        tree.lock_write()
787
 
        self.addCleanup(tree.unlock)
788
 
        tree.add([''], ['TREE_ROOT'])
789
 
        for pos in range(20):
790
 
            tree.commit(str(pos))
791
 
 
792
 
    def test_pack_with_hint(self):
793
 
        tree = self.make_branch_and_memory_tree('tree', format='2a')
794
 
        tree.lock_write()
795
 
        self.addCleanup(tree.unlock)
796
 
        tree.add([''], ['TREE_ROOT'])
797
 
        # 1 commit to leave untouched
798
 
        tree.commit('1')
799
 
        to_keep = tree.branch.repository._pack_collection.names()
800
 
        # 2 to combine
801
 
        tree.commit('2')
802
 
        tree.commit('3')
803
 
        all = tree.branch.repository._pack_collection.names()
804
 
        combine = list(set(all) - set(to_keep))
805
 
        self.assertLength(3, all)
806
 
        self.assertLength(2, combine)
807
 
        tree.branch.repository.pack(hint=combine)
808
 
        final = tree.branch.repository._pack_collection.names()
809
 
        self.assertLength(2, final)
810
 
        self.assertFalse(combine[0] in final)
811
 
        self.assertFalse(combine[1] in final)
812
 
        self.assertSubset(to_keep, final)
813
 
 
814
 
    def test_stream_source_to_gc(self):
815
 
        source = self.make_repository('source', format='2a')
816
 
        target = self.make_repository('target', format='2a')
817
 
        stream = source._get_source(target._format)
818
 
        self.assertIsInstance(stream, groupcompress_repo.GroupCHKStreamSource)
819
 
 
820
 
    def test_stream_source_to_non_gc(self):
821
 
        source = self.make_repository('source', format='2a')
822
 
        target = self.make_repository('target', format='rich-root-pack')
823
 
        stream = source._get_source(target._format)
824
 
        # We don't want the child GroupCHKStreamSource
825
 
        self.assertIs(type(stream), repository.StreamSource)
826
 
 
827
 
    def test_get_stream_for_missing_keys_includes_all_chk_refs(self):
828
 
        source_builder = self.make_branch_builder('source',
829
 
                            format='2a')
830
 
        # We have to build a fairly large tree, so that we are sure the chk
831
 
        # pages will have split into multiple pages.
832
 
        entries = [('add', ('', 'a-root-id', 'directory', None))]
833
 
        for i in 'abcdefghijklmnopqrstuvwxyz123456789':
834
 
            for j in 'abcdefghijklmnopqrstuvwxyz123456789':
835
 
                fname = i + j
836
 
                fid = fname + '-id'
837
 
                content = 'content for %s\n' % (fname,)
838
 
                entries.append(('add', (fname, fid, 'file', content)))
839
 
        source_builder.start_series()
840
 
        source_builder.build_snapshot('rev-1', None, entries)
841
 
        # Now change a few of them, so we get a few new pages for the second
842
 
        # revision
843
 
        source_builder.build_snapshot('rev-2', ['rev-1'], [
844
 
            ('modify', ('aa-id', 'new content for aa-id\n')),
845
 
            ('modify', ('cc-id', 'new content for cc-id\n')),
846
 
            ('modify', ('zz-id', 'new content for zz-id\n')),
847
 
            ])
848
 
        source_builder.finish_series()
849
 
        source_branch = source_builder.get_branch()
850
 
        source_branch.lock_read()
851
 
        self.addCleanup(source_branch.unlock)
852
 
        target = self.make_repository('target', format='2a')
853
 
        source = source_branch.repository._get_source(target._format)
854
 
        self.assertIsInstance(source, groupcompress_repo.GroupCHKStreamSource)
855
 
 
856
 
        # On a regular pass, getting the inventories and chk pages for rev-2
857
 
        # would only get the newly created chk pages
858
 
        search = graph.SearchResult(set(['rev-2']), set(['rev-1']), 1,
859
 
                                    set(['rev-2']))
860
 
        simple_chk_records = []
861
 
        for vf_name, substream in source.get_stream(search):
862
 
            if vf_name == 'chk_bytes':
863
 
                for record in substream:
864
 
                    simple_chk_records.append(record.key)
865
 
            else:
866
 
                for _ in substream:
867
 
                    continue
868
 
        # 3 pages, the root (InternalNode), + 2 pages which actually changed
869
 
        self.assertEqual([('sha1:91481f539e802c76542ea5e4c83ad416bf219f73',),
870
 
                          ('sha1:4ff91971043668583985aec83f4f0ab10a907d3f',),
871
 
                          ('sha1:81e7324507c5ca132eedaf2d8414ee4bb2226187',),
872
 
                          ('sha1:b101b7da280596c71a4540e9a1eeba8045985ee0',)],
873
 
                         simple_chk_records)
874
 
        # Now, when we do a similar call using 'get_stream_for_missing_keys'
875
 
        # we should get a much larger set of pages.
876
 
        missing = [('inventories', 'rev-2')]
877
 
        full_chk_records = []
878
 
        for vf_name, substream in source.get_stream_for_missing_keys(missing):
879
 
            if vf_name == 'inventories':
880
 
                for record in substream:
881
 
                    self.assertEqual(('rev-2',), record.key)
882
 
            elif vf_name == 'chk_bytes':
883
 
                for record in substream:
884
 
                    full_chk_records.append(record.key)
885
 
            else:
886
 
                self.fail('Should not be getting a stream of %s' % (vf_name,))
887
 
        # We have 257 records now. This is because we have 1 root page, and 256
888
 
        # leaf pages in a complete listing.
889
 
        self.assertEqual(257, len(full_chk_records))
890
 
        self.assertSubset(simple_chk_records, full_chk_records)
891
 
 
892
 
    def test_inconsistency_fatal(self):
893
 
        repo = self.make_repository('repo', format='2a')
894
 
        self.assertTrue(repo.revisions._index._inconsistency_fatal)
895
 
        self.assertFalse(repo.texts._index._inconsistency_fatal)
896
 
        self.assertFalse(repo.inventories._index._inconsistency_fatal)
897
 
        self.assertFalse(repo.signatures._index._inconsistency_fatal)
898
 
        self.assertFalse(repo.chk_bytes._index._inconsistency_fatal)
899
 
 
900
 
 
901
 
class TestKnitPackStreamSource(tests.TestCaseWithMemoryTransport):
902
 
 
903
 
    def test_source_to_exact_pack_092(self):
904
 
        source = self.make_repository('source', format='pack-0.92')
905
 
        target = self.make_repository('target', format='pack-0.92')
906
 
        stream_source = source._get_source(target._format)
907
 
        self.assertIsInstance(stream_source, pack_repo.KnitPackStreamSource)
908
 
 
909
 
    def test_source_to_exact_pack_rich_root_pack(self):
910
 
        source = self.make_repository('source', format='rich-root-pack')
911
 
        target = self.make_repository('target', format='rich-root-pack')
912
 
        stream_source = source._get_source(target._format)
913
 
        self.assertIsInstance(stream_source, pack_repo.KnitPackStreamSource)
914
 
 
915
 
    def test_source_to_exact_pack_19(self):
916
 
        source = self.make_repository('source', format='1.9')
917
 
        target = self.make_repository('target', format='1.9')
918
 
        stream_source = source._get_source(target._format)
919
 
        self.assertIsInstance(stream_source, pack_repo.KnitPackStreamSource)
920
 
 
921
 
    def test_source_to_exact_pack_19_rich_root(self):
922
 
        source = self.make_repository('source', format='1.9-rich-root')
923
 
        target = self.make_repository('target', format='1.9-rich-root')
924
 
        stream_source = source._get_source(target._format)
925
 
        self.assertIsInstance(stream_source, pack_repo.KnitPackStreamSource)
926
 
 
927
 
    def test_source_to_remote_exact_pack_19(self):
928
 
        trans = self.make_smart_server('target')
929
 
        trans.ensure_base()
930
 
        source = self.make_repository('source', format='1.9')
931
 
        target = self.make_repository('target', format='1.9')
932
 
        target = repository.Repository.open(trans.base)
933
 
        stream_source = source._get_source(target._format)
934
 
        self.assertIsInstance(stream_source, pack_repo.KnitPackStreamSource)
935
 
 
936
 
    def test_stream_source_to_non_exact(self):
937
 
        source = self.make_repository('source', format='pack-0.92')
938
 
        target = self.make_repository('target', format='1.9')
939
 
        stream = source._get_source(target._format)
940
 
        self.assertIs(type(stream), repository.StreamSource)
941
 
 
942
 
    def test_stream_source_to_non_exact_rich_root(self):
943
 
        source = self.make_repository('source', format='1.9')
944
 
        target = self.make_repository('target', format='1.9-rich-root')
945
 
        stream = source._get_source(target._format)
946
 
        self.assertIs(type(stream), repository.StreamSource)
947
 
 
948
 
    def test_source_to_remote_non_exact_pack_19(self):
949
 
        trans = self.make_smart_server('target')
950
 
        trans.ensure_base()
951
 
        source = self.make_repository('source', format='1.9')
952
 
        target = self.make_repository('target', format='1.6')
953
 
        target = repository.Repository.open(trans.base)
954
 
        stream_source = source._get_source(target._format)
955
 
        self.assertIs(type(stream_source), repository.StreamSource)
956
 
 
957
 
    def test_stream_source_to_knit(self):
958
 
        source = self.make_repository('source', format='pack-0.92')
959
 
        target = self.make_repository('target', format='dirstate')
960
 
        stream = source._get_source(target._format)
961
 
        self.assertIs(type(stream), repository.StreamSource)
962
 
 
963
 
 
964
 
class TestDevelopment6FindParentIdsOfRevisions(TestCaseWithTransport):
965
 
    """Tests for _find_parent_ids_of_revisions."""
966
 
 
967
 
    def setUp(self):
968
 
        super(TestDevelopment6FindParentIdsOfRevisions, self).setUp()
969
 
        self.builder = self.make_branch_builder('source',
970
 
            format='development6-rich-root')
971
 
        self.builder.start_series()
972
 
        self.builder.build_snapshot('initial', None,
973
 
            [('add', ('', 'tree-root', 'directory', None))])
974
 
        self.repo = self.builder.get_branch().repository
975
 
        self.addCleanup(self.builder.finish_series)
976
 
 
977
 
    def assertParentIds(self, expected_result, rev_set):
978
 
        self.assertEqual(sorted(expected_result),
979
 
            sorted(self.repo._find_parent_ids_of_revisions(rev_set)))
980
 
 
981
 
    def test_simple(self):
982
 
        self.builder.build_snapshot('revid1', None, [])
983
 
        self.builder.build_snapshot('revid2', ['revid1'], [])
984
 
        rev_set = ['revid2']
985
 
        self.assertParentIds(['revid1'], rev_set)
986
 
 
987
 
    def test_not_first_parent(self):
988
 
        self.builder.build_snapshot('revid1', None, [])
989
 
        self.builder.build_snapshot('revid2', ['revid1'], [])
990
 
        self.builder.build_snapshot('revid3', ['revid2'], [])
991
 
        rev_set = ['revid3', 'revid2']
992
 
        self.assertParentIds(['revid1'], rev_set)
993
 
 
994
 
    def test_not_null(self):
995
 
        rev_set = ['initial']
996
 
        self.assertParentIds([], rev_set)
997
 
 
998
 
    def test_not_null_set(self):
999
 
        self.builder.build_snapshot('revid1', None, [])
1000
 
        rev_set = [_mod_revision.NULL_REVISION]
1001
 
        self.assertParentIds([], rev_set)
1002
 
 
1003
 
    def test_ghost(self):
1004
 
        self.builder.build_snapshot('revid1', None, [])
1005
 
        rev_set = ['ghost', 'revid1']
1006
 
        self.assertParentIds(['initial'], rev_set)
1007
 
 
1008
 
    def test_ghost_parent(self):
1009
 
        self.builder.build_snapshot('revid1', None, [])
1010
 
        self.builder.build_snapshot('revid2', ['revid1', 'ghost'], [])
1011
 
        rev_set = ['revid2', 'revid1']
1012
 
        self.assertParentIds(['ghost', 'initial'], rev_set)
1013
 
 
1014
 
    def test_righthand_parent(self):
1015
 
        self.builder.build_snapshot('revid1', None, [])
1016
 
        self.builder.build_snapshot('revid2a', ['revid1'], [])
1017
 
        self.builder.build_snapshot('revid2b', ['revid1'], [])
1018
 
        self.builder.build_snapshot('revid3', ['revid2a', 'revid2b'], [])
1019
 
        rev_set = ['revid3', 'revid2a']
1020
 
        self.assertParentIds(['revid1', 'revid2b'], rev_set)
1021
 
 
1022
 
 
1023
 
class TestWithBrokenRepo(TestCaseWithTransport):
1024
 
    """These tests seem to be more appropriate as interface tests?"""
1025
 
 
1026
 
    def make_broken_repository(self):
1027
 
        # XXX: This function is borrowed from Aaron's "Reconcile can fix bad
1028
 
        # parent references" branch which is due to land in bzr.dev soon.  Once
1029
 
        # it does, this duplication should be removed.
1030
 
        repo = self.make_repository('broken-repo')
1031
 
        cleanups = []
1032
 
        try:
1033
 
            repo.lock_write()
1034
 
            cleanups.append(repo.unlock)
1035
 
            repo.start_write_group()
1036
 
            cleanups.append(repo.commit_write_group)
1037
 
            # make rev1a: A well-formed revision, containing 'file1'
1038
 
            inv = inventory.Inventory(revision_id='rev1a')
1039
 
            inv.root.revision = 'rev1a'
1040
 
            self.add_file(repo, inv, 'file1', 'rev1a', [])
1041
 
            repo.texts.add_lines((inv.root.file_id, 'rev1a'), [], [])
1042
 
            repo.add_inventory('rev1a', inv, [])
1043
 
            revision = _mod_revision.Revision('rev1a',
1044
 
                committer='jrandom@example.com', timestamp=0,
1045
 
                inventory_sha1='', timezone=0, message='foo', parent_ids=[])
1046
 
            repo.add_revision('rev1a',revision, inv)
1047
 
 
1048
 
            # make rev1b, which has no Revision, but has an Inventory, and
1049
 
            # file1
1050
 
            inv = inventory.Inventory(revision_id='rev1b')
1051
 
            inv.root.revision = 'rev1b'
1052
 
            self.add_file(repo, inv, 'file1', 'rev1b', [])
1053
 
            repo.add_inventory('rev1b', inv, [])
1054
 
 
1055
 
            # make rev2, with file1 and file2
1056
 
            # file2 is sane
1057
 
            # file1 has 'rev1b' as an ancestor, even though this is not
1058
 
            # mentioned by 'rev1a', making it an unreferenced ancestor
1059
 
            inv = inventory.Inventory()
1060
 
            self.add_file(repo, inv, 'file1', 'rev2', ['rev1a', 'rev1b'])
1061
 
            self.add_file(repo, inv, 'file2', 'rev2', [])
1062
 
            self.add_revision(repo, 'rev2', inv, ['rev1a'])
1063
 
 
1064
 
            # make ghost revision rev1c
1065
 
            inv = inventory.Inventory()
1066
 
            self.add_file(repo, inv, 'file2', 'rev1c', [])
1067
 
 
1068
 
            # make rev3 with file2
1069
 
            # file2 refers to 'rev1c', which is a ghost in this repository, so
1070
 
            # file2 cannot have rev1c as its ancestor.
1071
 
            inv = inventory.Inventory()
1072
 
            self.add_file(repo, inv, 'file2', 'rev3', ['rev1c'])
1073
 
            self.add_revision(repo, 'rev3', inv, ['rev1c'])
1074
 
            return repo
1075
 
        finally:
1076
 
            for cleanup in reversed(cleanups):
1077
 
                cleanup()
1078
 
 
1079
 
    def add_revision(self, repo, revision_id, inv, parent_ids):
1080
 
        inv.revision_id = revision_id
1081
 
        inv.root.revision = revision_id
1082
 
        repo.texts.add_lines((inv.root.file_id, revision_id), [], [])
1083
 
        repo.add_inventory(revision_id, inv, parent_ids)
1084
 
        revision = _mod_revision.Revision(revision_id,
1085
 
            committer='jrandom@example.com', timestamp=0, inventory_sha1='',
1086
 
            timezone=0, message='foo', parent_ids=parent_ids)
1087
 
        repo.add_revision(revision_id,revision, inv)
1088
 
 
1089
 
    def add_file(self, repo, inv, filename, revision, parents):
1090
 
        file_id = filename + '-id'
1091
 
        entry = inventory.InventoryFile(file_id, filename, 'TREE_ROOT')
1092
 
        entry.revision = revision
1093
 
        entry.text_size = 0
1094
 
        inv.add(entry)
1095
 
        text_key = (file_id, revision)
1096
 
        parent_keys = [(file_id, parent) for parent in parents]
1097
 
        repo.texts.add_lines(text_key, parent_keys, ['line\n'])
1098
 
 
1099
 
    def test_insert_from_broken_repo(self):
1100
 
        """Inserting a data stream from a broken repository won't silently
1101
 
        corrupt the target repository.
1102
 
        """
1103
 
        broken_repo = self.make_broken_repository()
1104
 
        empty_repo = self.make_repository('empty-repo')
1105
 
        try:
1106
 
            empty_repo.fetch(broken_repo)
1107
 
        except (errors.RevisionNotPresent, errors.BzrCheckError):
1108
 
            # Test successful: compression parent not being copied leads to
1109
 
            # error.
1110
 
            return
1111
 
        empty_repo.lock_read()
1112
 
        self.addCleanup(empty_repo.unlock)
1113
 
        text = empty_repo.texts.get_record_stream(
1114
 
            [('file2-id', 'rev3')], 'topological', True).next()
1115
 
        self.assertEqual('line\n', text.get_bytes_as('fulltext'))
1116
 
 
1117
 
 
1118
 
class TestRepositoryPackCollection(TestCaseWithTransport):
1119
 
 
1120
 
    def get_format(self):
1121
 
        return bzrdir.format_registry.make_bzrdir('pack-0.92')
1122
 
 
1123
 
    def get_packs(self):
1124
 
        format = self.get_format()
1125
 
        repo = self.make_repository('.', format=format)
1126
 
        return repo._pack_collection
1127
 
 
1128
 
    def make_packs_and_alt_repo(self, write_lock=False):
1129
 
        """Create a pack repo with 3 packs, and access it via a second repo."""
1130
 
        tree = self.make_branch_and_tree('.', format=self.get_format())
1131
 
        tree.lock_write()
1132
 
        self.addCleanup(tree.unlock)
1133
 
        rev1 = tree.commit('one')
1134
 
        rev2 = tree.commit('two')
1135
 
        rev3 = tree.commit('three')
1136
 
        r = repository.Repository.open('.')
1137
 
        if write_lock:
1138
 
            r.lock_write()
1139
 
        else:
1140
 
            r.lock_read()
1141
 
        self.addCleanup(r.unlock)
1142
 
        packs = r._pack_collection
1143
 
        packs.ensure_loaded()
1144
 
        return tree, r, packs, [rev1, rev2, rev3]
1145
 
 
1146
 
    def test__clear_obsolete_packs(self):
1147
 
        packs = self.get_packs()
1148
 
        obsolete_pack_trans = packs.transport.clone('obsolete_packs')
1149
 
        obsolete_pack_trans.put_bytes('a-pack.pack', 'content\n')
1150
 
        obsolete_pack_trans.put_bytes('a-pack.rix', 'content\n')
1151
 
        obsolete_pack_trans.put_bytes('a-pack.iix', 'content\n')
1152
 
        obsolete_pack_trans.put_bytes('another-pack.pack', 'foo\n')
1153
 
        obsolete_pack_trans.put_bytes('not-a-pack.rix', 'foo\n')
1154
 
        res = packs._clear_obsolete_packs()
1155
 
        self.assertEqual(['a-pack', 'another-pack'], sorted(res))
1156
 
        self.assertEqual([], obsolete_pack_trans.list_dir('.'))
1157
 
 
1158
 
    def test__clear_obsolete_packs_preserve(self):
1159
 
        packs = self.get_packs()
1160
 
        obsolete_pack_trans = packs.transport.clone('obsolete_packs')
1161
 
        obsolete_pack_trans.put_bytes('a-pack.pack', 'content\n')
1162
 
        obsolete_pack_trans.put_bytes('a-pack.rix', 'content\n')
1163
 
        obsolete_pack_trans.put_bytes('a-pack.iix', 'content\n')
1164
 
        obsolete_pack_trans.put_bytes('another-pack.pack', 'foo\n')
1165
 
        obsolete_pack_trans.put_bytes('not-a-pack.rix', 'foo\n')
1166
 
        res = packs._clear_obsolete_packs(preserve=set(['a-pack']))
1167
 
        self.assertEqual(['a-pack', 'another-pack'], sorted(res))
1168
 
        self.assertEqual(['a-pack.iix', 'a-pack.pack', 'a-pack.rix'],
1169
 
                         sorted(obsolete_pack_trans.list_dir('.')))
1170
 
 
1171
 
    def test__max_pack_count(self):
1172
 
        """The maximum pack count is a function of the number of revisions."""
1173
 
        # no revisions - one pack, so that we can have a revision free repo
1174
 
        # without it blowing up
1175
 
        packs = self.get_packs()
1176
 
        self.assertEqual(1, packs._max_pack_count(0))
1177
 
        # after that the sum of the digits, - check the first 1-9
1178
 
        self.assertEqual(1, packs._max_pack_count(1))
1179
 
        self.assertEqual(2, packs._max_pack_count(2))
1180
 
        self.assertEqual(3, packs._max_pack_count(3))
1181
 
        self.assertEqual(4, packs._max_pack_count(4))
1182
 
        self.assertEqual(5, packs._max_pack_count(5))
1183
 
        self.assertEqual(6, packs._max_pack_count(6))
1184
 
        self.assertEqual(7, packs._max_pack_count(7))
1185
 
        self.assertEqual(8, packs._max_pack_count(8))
1186
 
        self.assertEqual(9, packs._max_pack_count(9))
1187
 
        # check the boundary cases with two digits for the next decade
1188
 
        self.assertEqual(1, packs._max_pack_count(10))
1189
 
        self.assertEqual(2, packs._max_pack_count(11))
1190
 
        self.assertEqual(10, packs._max_pack_count(19))
1191
 
        self.assertEqual(2, packs._max_pack_count(20))
1192
 
        self.assertEqual(3, packs._max_pack_count(21))
1193
 
        # check some arbitrary big numbers
1194
 
        self.assertEqual(25, packs._max_pack_count(112894))
1195
 
 
1196
 
    def test_repr(self):
1197
 
        packs = self.get_packs()
1198
 
        self.assertContainsRe(repr(packs),
1199
 
            'RepositoryPackCollection(.*Repository(.*))')
1200
 
 
1201
 
    def test__obsolete_packs(self):
1202
 
        tree, r, packs, revs = self.make_packs_and_alt_repo(write_lock=True)
1203
 
        names = packs.names()
1204
 
        pack = packs.get_pack_by_name(names[0])
1205
 
        # Schedule this one for removal
1206
 
        packs._remove_pack_from_memory(pack)
1207
 
        # Simulate a concurrent update by renaming the .pack file and one of
1208
 
        # the indices
1209
 
        packs.transport.rename('packs/%s.pack' % (names[0],),
1210
 
                               'obsolete_packs/%s.pack' % (names[0],))
1211
 
        packs.transport.rename('indices/%s.iix' % (names[0],),
1212
 
                               'obsolete_packs/%s.iix' % (names[0],))
1213
 
        # Now trigger the obsoletion, and ensure that all the remaining files
1214
 
        # are still renamed
1215
 
        packs._obsolete_packs([pack])
1216
 
        self.assertEqual([n + '.pack' for n in names[1:]],
1217
 
                         sorted(packs._pack_transport.list_dir('.')))
1218
 
        # names[0] should not be present in the index anymore
1219
 
        self.assertEqual(names[1:],
1220
 
            sorted(set([osutils.splitext(n)[0] for n in
1221
 
                        packs._index_transport.list_dir('.')])))
1222
 
 
1223
 
    def test_pack_distribution_zero(self):
1224
 
        packs = self.get_packs()
1225
 
        self.assertEqual([0], packs.pack_distribution(0))
1226
 
 
1227
 
    def test_ensure_loaded_unlocked(self):
1228
 
        packs = self.get_packs()
1229
 
        self.assertRaises(errors.ObjectNotLocked,
1230
 
                          packs.ensure_loaded)
1231
 
 
1232
 
    def test_pack_distribution_one_to_nine(self):
1233
 
        packs = self.get_packs()
1234
 
        self.assertEqual([1],
1235
 
            packs.pack_distribution(1))
1236
 
        self.assertEqual([1, 1],
1237
 
            packs.pack_distribution(2))
1238
 
        self.assertEqual([1, 1, 1],
1239
 
            packs.pack_distribution(3))
1240
 
        self.assertEqual([1, 1, 1, 1],
1241
 
            packs.pack_distribution(4))
1242
 
        self.assertEqual([1, 1, 1, 1, 1],
1243
 
            packs.pack_distribution(5))
1244
 
        self.assertEqual([1, 1, 1, 1, 1, 1],
1245
 
            packs.pack_distribution(6))
1246
 
        self.assertEqual([1, 1, 1, 1, 1, 1, 1],
1247
 
            packs.pack_distribution(7))
1248
 
        self.assertEqual([1, 1, 1, 1, 1, 1, 1, 1],
1249
 
            packs.pack_distribution(8))
1250
 
        self.assertEqual([1, 1, 1, 1, 1, 1, 1, 1, 1],
1251
 
            packs.pack_distribution(9))
1252
 
 
1253
 
    def test_pack_distribution_stable_at_boundaries(self):
1254
 
        """When there are multi-rev packs the counts are stable."""
1255
 
        packs = self.get_packs()
1256
 
        # in 10s:
1257
 
        self.assertEqual([10], packs.pack_distribution(10))
1258
 
        self.assertEqual([10, 1], packs.pack_distribution(11))
1259
 
        self.assertEqual([10, 10], packs.pack_distribution(20))
1260
 
        self.assertEqual([10, 10, 1], packs.pack_distribution(21))
1261
 
        # 100s
1262
 
        self.assertEqual([100], packs.pack_distribution(100))
1263
 
        self.assertEqual([100, 1], packs.pack_distribution(101))
1264
 
        self.assertEqual([100, 10, 1], packs.pack_distribution(111))
1265
 
        self.assertEqual([100, 100], packs.pack_distribution(200))
1266
 
        self.assertEqual([100, 100, 1], packs.pack_distribution(201))
1267
 
        self.assertEqual([100, 100, 10, 1], packs.pack_distribution(211))
1268
 
 
1269
 
    def test_plan_pack_operations_2009_revisions_skip_all_packs(self):
1270
 
        packs = self.get_packs()
1271
 
        existing_packs = [(2000, "big"), (9, "medium")]
1272
 
        # rev count - 2009 -> 2x1000 + 9x1
1273
 
        pack_operations = packs.plan_autopack_combinations(
1274
 
            existing_packs, [1000, 1000, 1, 1, 1, 1, 1, 1, 1, 1, 1])
1275
 
        self.assertEqual([], pack_operations)
1276
 
 
1277
 
    def test_plan_pack_operations_2010_revisions_skip_all_packs(self):
1278
 
        packs = self.get_packs()
1279
 
        existing_packs = [(2000, "big"), (9, "medium"), (1, "single")]
1280
 
        # rev count - 2010 -> 2x1000 + 1x10
1281
 
        pack_operations = packs.plan_autopack_combinations(
1282
 
            existing_packs, [1000, 1000, 10])
1283
 
        self.assertEqual([], pack_operations)
1284
 
 
1285
 
    def test_plan_pack_operations_2010_combines_smallest_two(self):
1286
 
        packs = self.get_packs()
1287
 
        existing_packs = [(1999, "big"), (9, "medium"), (1, "single2"),
1288
 
            (1, "single1")]
1289
 
        # rev count - 2010 -> 2x1000 + 1x10 (3)
1290
 
        pack_operations = packs.plan_autopack_combinations(
1291
 
            existing_packs, [1000, 1000, 10])
1292
 
        self.assertEqual([[2, ["single2", "single1"]]], pack_operations)
1293
 
 
1294
 
    def test_plan_pack_operations_creates_a_single_op(self):
1295
 
        packs = self.get_packs()
1296
 
        existing_packs = [(50, 'a'), (40, 'b'), (30, 'c'), (10, 'd'),
1297
 
                          (10, 'e'), (6, 'f'), (4, 'g')]
1298
 
        # rev count 150 -> 1x100 and 5x10
1299
 
        # The two size 10 packs do not need to be touched. The 50, 40, 30 would
1300
 
        # be combined into a single 120 size pack, and the 6 & 4 would
1301
 
        # becombined into a size 10 pack. However, if we have to rewrite them,
1302
 
        # we save a pack file with no increased I/O by putting them into the
1303
 
        # same file.
1304
 
        distribution = packs.pack_distribution(150)
1305
 
        pack_operations = packs.plan_autopack_combinations(existing_packs,
1306
 
                                                           distribution)
1307
 
        self.assertEqual([[130, ['a', 'b', 'c', 'f', 'g']]], pack_operations)
1308
 
 
1309
 
    def test_all_packs_none(self):
1310
 
        format = self.get_format()
1311
 
        tree = self.make_branch_and_tree('.', format=format)
1312
 
        tree.lock_read()
1313
 
        self.addCleanup(tree.unlock)
1314
 
        packs = tree.branch.repository._pack_collection
1315
 
        packs.ensure_loaded()
1316
 
        self.assertEqual([], packs.all_packs())
1317
 
 
1318
 
    def test_all_packs_one(self):
1319
 
        format = self.get_format()
1320
 
        tree = self.make_branch_and_tree('.', format=format)
1321
 
        tree.commit('start')
1322
 
        tree.lock_read()
1323
 
        self.addCleanup(tree.unlock)
1324
 
        packs = tree.branch.repository._pack_collection
1325
 
        packs.ensure_loaded()
1326
 
        self.assertEqual([
1327
 
            packs.get_pack_by_name(packs.names()[0])],
1328
 
            packs.all_packs())
1329
 
 
1330
 
    def test_all_packs_two(self):
1331
 
        format = self.get_format()
1332
 
        tree = self.make_branch_and_tree('.', format=format)
1333
 
        tree.commit('start')
1334
 
        tree.commit('continue')
1335
 
        tree.lock_read()
1336
 
        self.addCleanup(tree.unlock)
1337
 
        packs = tree.branch.repository._pack_collection
1338
 
        packs.ensure_loaded()
1339
 
        self.assertEqual([
1340
 
            packs.get_pack_by_name(packs.names()[0]),
1341
 
            packs.get_pack_by_name(packs.names()[1]),
1342
 
            ], packs.all_packs())
1343
 
 
1344
 
    def test_get_pack_by_name(self):
1345
 
        format = self.get_format()
1346
 
        tree = self.make_branch_and_tree('.', format=format)
1347
 
        tree.commit('start')
1348
 
        tree.lock_read()
1349
 
        self.addCleanup(tree.unlock)
1350
 
        packs = tree.branch.repository._pack_collection
1351
 
        packs.reset()
1352
 
        packs.ensure_loaded()
1353
 
        name = packs.names()[0]
1354
 
        pack_1 = packs.get_pack_by_name(name)
1355
 
        # the pack should be correctly initialised
1356
 
        sizes = packs._names[name]
1357
 
        rev_index = GraphIndex(packs._index_transport, name + '.rix', sizes[0])
1358
 
        inv_index = GraphIndex(packs._index_transport, name + '.iix', sizes[1])
1359
 
        txt_index = GraphIndex(packs._index_transport, name + '.tix', sizes[2])
1360
 
        sig_index = GraphIndex(packs._index_transport, name + '.six', sizes[3])
1361
 
        self.assertEqual(pack_repo.ExistingPack(packs._pack_transport,
1362
 
            name, rev_index, inv_index, txt_index, sig_index), pack_1)
1363
 
        # and the same instance should be returned on successive calls.
1364
 
        self.assertTrue(pack_1 is packs.get_pack_by_name(name))
1365
 
 
1366
 
    def test_reload_pack_names_new_entry(self):
1367
 
        tree, r, packs, revs = self.make_packs_and_alt_repo()
1368
 
        names = packs.names()
1369
 
        # Add a new pack file into the repository
1370
 
        rev4 = tree.commit('four')
1371
 
        new_names = tree.branch.repository._pack_collection.names()
1372
 
        new_name = set(new_names).difference(names)
1373
 
        self.assertEqual(1, len(new_name))
1374
 
        new_name = new_name.pop()
1375
 
        # The old collection hasn't noticed yet
1376
 
        self.assertEqual(names, packs.names())
1377
 
        self.assertTrue(packs.reload_pack_names())
1378
 
        self.assertEqual(new_names, packs.names())
1379
 
        # And the repository can access the new revision
1380
 
        self.assertEqual({rev4:(revs[-1],)}, r.get_parent_map([rev4]))
1381
 
        self.assertFalse(packs.reload_pack_names())
1382
 
 
1383
 
    def test_reload_pack_names_added_and_removed(self):
1384
 
        tree, r, packs, revs = self.make_packs_and_alt_repo()
1385
 
        names = packs.names()
1386
 
        # Now repack the whole thing
1387
 
        tree.branch.repository.pack()
1388
 
        new_names = tree.branch.repository._pack_collection.names()
1389
 
        # The other collection hasn't noticed yet
1390
 
        self.assertEqual(names, packs.names())
1391
 
        self.assertTrue(packs.reload_pack_names())
1392
 
        self.assertEqual(new_names, packs.names())
1393
 
        self.assertEqual({revs[-1]:(revs[-2],)}, r.get_parent_map([revs[-1]]))
1394
 
        self.assertFalse(packs.reload_pack_names())
1395
 
 
1396
 
    def test_reload_pack_names_preserves_pending(self):
1397
 
        # TODO: Update this to also test for pending-deleted names
1398
 
        tree, r, packs, revs = self.make_packs_and_alt_repo(write_lock=True)
1399
 
        # We will add one pack (via start_write_group + insert_record_stream),
1400
 
        # and remove another pack (via _remove_pack_from_memory)
1401
 
        orig_names = packs.names()
1402
 
        orig_at_load = packs._packs_at_load
1403
 
        to_remove_name = iter(orig_names).next()
1404
 
        r.start_write_group()
1405
 
        self.addCleanup(r.abort_write_group)
1406
 
        r.texts.insert_record_stream([versionedfile.FulltextContentFactory(
1407
 
            ('text', 'rev'), (), None, 'content\n')])
1408
 
        new_pack = packs._new_pack
1409
 
        self.assertTrue(new_pack.data_inserted())
1410
 
        new_pack.finish()
1411
 
        packs.allocate(new_pack)
1412
 
        packs._new_pack = None
1413
 
        removed_pack = packs.get_pack_by_name(to_remove_name)
1414
 
        packs._remove_pack_from_memory(removed_pack)
1415
 
        names = packs.names()
1416
 
        all_nodes, deleted_nodes, new_nodes, _ = packs._diff_pack_names()
1417
 
        new_names = set([x[0][0] for x in new_nodes])
1418
 
        self.assertEqual(names, sorted([x[0][0] for x in all_nodes]))
1419
 
        self.assertEqual(set(names) - set(orig_names), new_names)
1420
 
        self.assertEqual(set([new_pack.name]), new_names)
1421
 
        self.assertEqual([to_remove_name],
1422
 
                         sorted([x[0][0] for x in deleted_nodes]))
1423
 
        packs.reload_pack_names()
1424
 
        reloaded_names = packs.names()
1425
 
        self.assertEqual(orig_at_load, packs._packs_at_load)
1426
 
        self.assertEqual(names, reloaded_names)
1427
 
        all_nodes, deleted_nodes, new_nodes, _ = packs._diff_pack_names()
1428
 
        new_names = set([x[0][0] for x in new_nodes])
1429
 
        self.assertEqual(names, sorted([x[0][0] for x in all_nodes]))
1430
 
        self.assertEqual(set(names) - set(orig_names), new_names)
1431
 
        self.assertEqual(set([new_pack.name]), new_names)
1432
 
        self.assertEqual([to_remove_name],
1433
 
                         sorted([x[0][0] for x in deleted_nodes]))
1434
 
 
1435
 
    def test_autopack_obsoletes_new_pack(self):
1436
 
        tree, r, packs, revs = self.make_packs_and_alt_repo(write_lock=True)
1437
 
        packs._max_pack_count = lambda x: 1
1438
 
        packs.pack_distribution = lambda x: [10]
1439
 
        r.start_write_group()
1440
 
        r.revisions.insert_record_stream([versionedfile.FulltextContentFactory(
1441
 
            ('bogus-rev',), (), None, 'bogus-content\n')])
1442
 
        # This should trigger an autopack, which will combine everything into a
1443
 
        # single pack file.
1444
 
        new_names = r.commit_write_group()
1445
 
        names = packs.names()
1446
 
        self.assertEqual(1, len(names))
1447
 
        self.assertEqual([names[0] + '.pack'],
1448
 
                         packs._pack_transport.list_dir('.'))
1449
 
 
1450
 
    def test_autopack_reloads_and_stops(self):
1451
 
        tree, r, packs, revs = self.make_packs_and_alt_repo(write_lock=True)
1452
 
        # After we have determined what needs to be autopacked, trigger a
1453
 
        # full-pack via the other repo which will cause us to re-evaluate and
1454
 
        # decide we don't need to do anything
1455
 
        orig_execute = packs._execute_pack_operations
1456
 
        def _munged_execute_pack_ops(*args, **kwargs):
1457
 
            tree.branch.repository.pack()
1458
 
            return orig_execute(*args, **kwargs)
1459
 
        packs._execute_pack_operations = _munged_execute_pack_ops
1460
 
        packs._max_pack_count = lambda x: 1
1461
 
        packs.pack_distribution = lambda x: [10]
1462
 
        self.assertFalse(packs.autopack())
1463
 
        self.assertEqual(1, len(packs.names()))
1464
 
        self.assertEqual(tree.branch.repository._pack_collection.names(),
1465
 
                         packs.names())
1466
 
 
1467
 
    def test__save_pack_names(self):
1468
 
        tree, r, packs, revs = self.make_packs_and_alt_repo(write_lock=True)
1469
 
        names = packs.names()
1470
 
        pack = packs.get_pack_by_name(names[0])
1471
 
        packs._remove_pack_from_memory(pack)
1472
 
        packs._save_pack_names(obsolete_packs=[pack])
1473
 
        cur_packs = packs._pack_transport.list_dir('.')
1474
 
        self.assertEqual([n + '.pack' for n in names[1:]], sorted(cur_packs))
1475
 
        # obsolete_packs will also have stuff like .rix and .iix present.
1476
 
        obsolete_packs = packs.transport.list_dir('obsolete_packs')
1477
 
        obsolete_names = set([osutils.splitext(n)[0] for n in obsolete_packs])
1478
 
        self.assertEqual([pack.name], sorted(obsolete_names))
1479
 
 
1480
 
    def test__save_pack_names_already_obsoleted(self):
1481
 
        tree, r, packs, revs = self.make_packs_and_alt_repo(write_lock=True)
1482
 
        names = packs.names()
1483
 
        pack = packs.get_pack_by_name(names[0])
1484
 
        packs._remove_pack_from_memory(pack)
1485
 
        # We are going to simulate a concurrent autopack by manually obsoleting
1486
 
        # the pack directly.
1487
 
        packs._obsolete_packs([pack])
1488
 
        packs._save_pack_names(clear_obsolete_packs=True,
1489
 
                               obsolete_packs=[pack])
1490
 
        cur_packs = packs._pack_transport.list_dir('.')
1491
 
        self.assertEqual([n + '.pack' for n in names[1:]], sorted(cur_packs))
1492
 
        # Note that while we set clear_obsolete_packs=True, it should not
1493
 
        # delete a pack file that we have also scheduled for obsoletion.
1494
 
        obsolete_packs = packs.transport.list_dir('obsolete_packs')
1495
 
        obsolete_names = set([osutils.splitext(n)[0] for n in obsolete_packs])
1496
 
        self.assertEqual([pack.name], sorted(obsolete_names))
1497
 
 
1498
 
 
1499
 
 
1500
 
class TestPack(TestCaseWithTransport):
1501
 
    """Tests for the Pack object."""
1502
 
 
1503
 
    def assertCurrentlyEqual(self, left, right):
1504
 
        self.assertTrue(left == right)
1505
 
        self.assertTrue(right == left)
1506
 
        self.assertFalse(left != right)
1507
 
        self.assertFalse(right != left)
1508
 
 
1509
 
    def assertCurrentlyNotEqual(self, left, right):
1510
 
        self.assertFalse(left == right)
1511
 
        self.assertFalse(right == left)
1512
 
        self.assertTrue(left != right)
1513
 
        self.assertTrue(right != left)
1514
 
 
1515
 
    def test___eq____ne__(self):
1516
 
        left = pack_repo.ExistingPack('', '', '', '', '', '')
1517
 
        right = pack_repo.ExistingPack('', '', '', '', '', '')
1518
 
        self.assertCurrentlyEqual(left, right)
1519
 
        # change all attributes and ensure equality changes as we do.
1520
 
        left.revision_index = 'a'
1521
 
        self.assertCurrentlyNotEqual(left, right)
1522
 
        right.revision_index = 'a'
1523
 
        self.assertCurrentlyEqual(left, right)
1524
 
        left.inventory_index = 'a'
1525
 
        self.assertCurrentlyNotEqual(left, right)
1526
 
        right.inventory_index = 'a'
1527
 
        self.assertCurrentlyEqual(left, right)
1528
 
        left.text_index = 'a'
1529
 
        self.assertCurrentlyNotEqual(left, right)
1530
 
        right.text_index = 'a'
1531
 
        self.assertCurrentlyEqual(left, right)
1532
 
        left.signature_index = 'a'
1533
 
        self.assertCurrentlyNotEqual(left, right)
1534
 
        right.signature_index = 'a'
1535
 
        self.assertCurrentlyEqual(left, right)
1536
 
        left.name = 'a'
1537
 
        self.assertCurrentlyNotEqual(left, right)
1538
 
        right.name = 'a'
1539
 
        self.assertCurrentlyEqual(left, right)
1540
 
        left.transport = 'a'
1541
 
        self.assertCurrentlyNotEqual(left, right)
1542
 
        right.transport = 'a'
1543
 
        self.assertCurrentlyEqual(left, right)
1544
 
 
1545
 
    def test_file_name(self):
1546
 
        pack = pack_repo.ExistingPack('', 'a_name', '', '', '', '')
1547
 
        self.assertEqual('a_name.pack', pack.file_name())
1548
 
 
1549
 
 
1550
 
class TestNewPack(TestCaseWithTransport):
1551
 
    """Tests for pack_repo.NewPack."""
1552
 
 
1553
 
    def test_new_instance_attributes(self):
1554
 
        upload_transport = self.get_transport('upload')
1555
 
        pack_transport = self.get_transport('pack')
1556
 
        index_transport = self.get_transport('index')
1557
 
        upload_transport.mkdir('.')
1558
 
        collection = pack_repo.RepositoryPackCollection(
1559
 
            repo=None,
1560
 
            transport=self.get_transport('.'),
1561
 
            index_transport=index_transport,
1562
 
            upload_transport=upload_transport,
1563
 
            pack_transport=pack_transport,
1564
 
            index_builder_class=BTreeBuilder,
1565
 
            index_class=BTreeGraphIndex,
1566
 
            use_chk_index=False)
1567
 
        pack = pack_repo.NewPack(collection)
1568
 
        self.addCleanup(pack.abort) # Make sure the write stream gets closed
1569
 
        self.assertIsInstance(pack.revision_index, BTreeBuilder)
1570
 
        self.assertIsInstance(pack.inventory_index, BTreeBuilder)
1571
 
        self.assertIsInstance(pack._hash, type(osutils.md5()))
1572
 
        self.assertTrue(pack.upload_transport is upload_transport)
1573
 
        self.assertTrue(pack.index_transport is index_transport)
1574
 
        self.assertTrue(pack.pack_transport is pack_transport)
1575
 
        self.assertEqual(None, pack.index_sizes)
1576
 
        self.assertEqual(20, len(pack.random_name))
1577
 
        self.assertIsInstance(pack.random_name, str)
1578
 
        self.assertIsInstance(pack.start_time, float)
1579
 
 
1580
 
 
1581
 
class TestPacker(TestCaseWithTransport):
1582
 
    """Tests for the packs repository Packer class."""
1583
 
 
1584
 
    def test_pack_optimizes_pack_order(self):
1585
 
        builder = self.make_branch_builder('.', format="1.9")
1586
 
        builder.start_series()
1587
 
        builder.build_snapshot('A', None, [
1588
 
            ('add', ('', 'root-id', 'directory', None)),
1589
 
            ('add', ('f', 'f-id', 'file', 'content\n'))])
1590
 
        builder.build_snapshot('B', ['A'],
1591
 
            [('modify', ('f-id', 'new-content\n'))])
1592
 
        builder.build_snapshot('C', ['B'],
1593
 
            [('modify', ('f-id', 'third-content\n'))])
1594
 
        builder.build_snapshot('D', ['C'],
1595
 
            [('modify', ('f-id', 'fourth-content\n'))])
1596
 
        b = builder.get_branch()
1597
 
        b.lock_read()
1598
 
        builder.finish_series()
1599
 
        self.addCleanup(b.unlock)
1600
 
        # At this point, we should have 4 pack files available
1601
 
        # Because of how they were built, they correspond to
1602
 
        # ['D', 'C', 'B', 'A']
1603
 
        packs = b.repository._pack_collection.packs
1604
 
        packer = pack_repo.Packer(b.repository._pack_collection,
1605
 
                                  packs, 'testing',
1606
 
                                  revision_ids=['B', 'C'])
1607
 
        # Now, when we are copying the B & C revisions, their pack files should
1608
 
        # be moved to the front of the stack
1609
 
        # The new ordering moves B & C to the front of the .packs attribute,
1610
 
        # and leaves the others in the original order.
1611
 
        new_packs = [packs[1], packs[2], packs[0], packs[3]]
1612
 
        new_pack = packer.pack()
1613
 
        self.assertEqual(new_packs, packer.packs)
1614
 
 
1615
 
 
1616
 
class TestOptimisingPacker(TestCaseWithTransport):
1617
 
    """Tests for the OptimisingPacker class."""
1618
 
 
1619
 
    def get_pack_collection(self):
1620
 
        repo = self.make_repository('.')
1621
 
        return repo._pack_collection
1622
 
 
1623
 
    def test_open_pack_will_optimise(self):
1624
 
        packer = pack_repo.OptimisingPacker(self.get_pack_collection(),
1625
 
                                            [], '.test')
1626
 
        new_pack = packer.open_pack()
1627
 
        self.addCleanup(new_pack.abort) # ensure cleanup
1628
 
        self.assertIsInstance(new_pack, pack_repo.NewPack)
1629
 
        self.assertTrue(new_pack.revision_index._optimize_for_size)
1630
 
        self.assertTrue(new_pack.inventory_index._optimize_for_size)
1631
 
        self.assertTrue(new_pack.text_index._optimize_for_size)
1632
 
        self.assertTrue(new_pack.signature_index._optimize_for_size)
1633
 
 
1634
 
 
1635
 
class TestCrossFormatPacks(TestCaseWithTransport):
1636
 
 
1637
 
    def log_pack(self, hint=None):
1638
 
        self.calls.append(('pack', hint))
1639
 
        self.orig_pack(hint=hint)
1640
 
        if self.expect_hint:
1641
 
            self.assertTrue(hint)
1642
 
 
1643
 
    def run_stream(self, src_fmt, target_fmt, expect_pack_called):
1644
 
        self.expect_hint = expect_pack_called
1645
 
        self.calls = []
1646
 
        source_tree = self.make_branch_and_tree('src', format=src_fmt)
1647
 
        source_tree.lock_write()
1648
 
        self.addCleanup(source_tree.unlock)
1649
 
        tip = source_tree.commit('foo')
1650
 
        target = self.make_repository('target', format=target_fmt)
1651
 
        target.lock_write()
1652
 
        self.addCleanup(target.unlock)
1653
 
        source = source_tree.branch.repository._get_source(target._format)
1654
 
        self.orig_pack = target.pack
1655
 
        target.pack = self.log_pack
1656
 
        search = target.search_missing_revision_ids(
1657
 
            source_tree.branch.repository, tip)
1658
 
        stream = source.get_stream(search)
1659
 
        from_format = source_tree.branch.repository._format
1660
 
        sink = target._get_sink()
1661
 
        sink.insert_stream(stream, from_format, [])
1662
 
        if expect_pack_called:
1663
 
            self.assertLength(1, self.calls)
1664
 
        else:
1665
 
            self.assertLength(0, self.calls)
1666
 
 
1667
 
    def run_fetch(self, src_fmt, target_fmt, expect_pack_called):
1668
 
        self.expect_hint = expect_pack_called
1669
 
        self.calls = []
1670
 
        source_tree = self.make_branch_and_tree('src', format=src_fmt)
1671
 
        source_tree.lock_write()
1672
 
        self.addCleanup(source_tree.unlock)
1673
 
        tip = source_tree.commit('foo')
1674
 
        target = self.make_repository('target', format=target_fmt)
1675
 
        target.lock_write()
1676
 
        self.addCleanup(target.unlock)
1677
 
        source = source_tree.branch.repository
1678
 
        self.orig_pack = target.pack
1679
 
        target.pack = self.log_pack
1680
 
        target.fetch(source)
1681
 
        if expect_pack_called:
1682
 
            self.assertLength(1, self.calls)
1683
 
        else:
1684
 
            self.assertLength(0, self.calls)
1685
 
 
1686
 
    def test_sink_format_hint_no(self):
1687
 
        # When the target format says packing makes no difference, pack is not
1688
 
        # called.
1689
 
        self.run_stream('1.9', 'rich-root-pack', False)
1690
 
 
1691
 
    def test_sink_format_hint_yes(self):
1692
 
        # When the target format says packing makes a difference, pack is
1693
 
        # called.
1694
 
        self.run_stream('1.9', '2a', True)
1695
 
 
1696
 
    def test_sink_format_same_no(self):
1697
 
        # When the formats are the same, pack is not called.
1698
 
        self.run_stream('2a', '2a', False)
1699
 
 
1700
 
    def test_IDS_format_hint_no(self):
1701
 
        # When the target format says packing makes no difference, pack is not
1702
 
        # called.
1703
 
        self.run_fetch('1.9', 'rich-root-pack', False)
1704
 
 
1705
 
    def test_IDS_format_hint_yes(self):
1706
 
        # When the target format says packing makes a difference, pack is
1707
 
        # called.
1708
 
        self.run_fetch('1.9', '2a', True)
1709
 
 
1710
 
    def test_IDS_format_same_no(self):
1711
 
        # When the formats are the same, pack is not called.
1712
 
        self.run_fetch('2a', '2a', False)