~bzr-pqm/bzr/bzr.dev

« back to all changes in this revision

Viewing changes to bzrlib/tests/test_repository.py

Add a NEWS entry and prepare submission.

Show diffs side-by-side

added added

removed removed

Lines of Context:
 
1
# Copyright (C) 2006, 2007, 2008, 2009 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.transport.memory import MemoryServer
 
55
from bzrlib import (
 
56
    bencode,
 
57
    bzrdir,
 
58
    errors,
 
59
    inventory,
 
60
    osutils,
 
61
    progress,
 
62
    repository,
 
63
    revision as _mod_revision,
 
64
    symbol_versioning,
 
65
    upgrade,
 
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__max_pack_count(self):
 
1147
        """The maximum pack count is a function of the number of revisions."""
 
1148
        # no revisions - one pack, so that we can have a revision free repo
 
1149
        # without it blowing up
 
1150
        packs = self.get_packs()
 
1151
        self.assertEqual(1, packs._max_pack_count(0))
 
1152
        # after that the sum of the digits, - check the first 1-9
 
1153
        self.assertEqual(1, packs._max_pack_count(1))
 
1154
        self.assertEqual(2, packs._max_pack_count(2))
 
1155
        self.assertEqual(3, packs._max_pack_count(3))
 
1156
        self.assertEqual(4, packs._max_pack_count(4))
 
1157
        self.assertEqual(5, packs._max_pack_count(5))
 
1158
        self.assertEqual(6, packs._max_pack_count(6))
 
1159
        self.assertEqual(7, packs._max_pack_count(7))
 
1160
        self.assertEqual(8, packs._max_pack_count(8))
 
1161
        self.assertEqual(9, packs._max_pack_count(9))
 
1162
        # check the boundary cases with two digits for the next decade
 
1163
        self.assertEqual(1, packs._max_pack_count(10))
 
1164
        self.assertEqual(2, packs._max_pack_count(11))
 
1165
        self.assertEqual(10, packs._max_pack_count(19))
 
1166
        self.assertEqual(2, packs._max_pack_count(20))
 
1167
        self.assertEqual(3, packs._max_pack_count(21))
 
1168
        # check some arbitrary big numbers
 
1169
        self.assertEqual(25, packs._max_pack_count(112894))
 
1170
 
 
1171
    def test_pack_distribution_zero(self):
 
1172
        packs = self.get_packs()
 
1173
        self.assertEqual([0], packs.pack_distribution(0))
 
1174
 
 
1175
    def test_ensure_loaded_unlocked(self):
 
1176
        packs = self.get_packs()
 
1177
        self.assertRaises(errors.ObjectNotLocked,
 
1178
                          packs.ensure_loaded)
 
1179
 
 
1180
    def test_pack_distribution_one_to_nine(self):
 
1181
        packs = self.get_packs()
 
1182
        self.assertEqual([1],
 
1183
            packs.pack_distribution(1))
 
1184
        self.assertEqual([1, 1],
 
1185
            packs.pack_distribution(2))
 
1186
        self.assertEqual([1, 1, 1],
 
1187
            packs.pack_distribution(3))
 
1188
        self.assertEqual([1, 1, 1, 1],
 
1189
            packs.pack_distribution(4))
 
1190
        self.assertEqual([1, 1, 1, 1, 1],
 
1191
            packs.pack_distribution(5))
 
1192
        self.assertEqual([1, 1, 1, 1, 1, 1],
 
1193
            packs.pack_distribution(6))
 
1194
        self.assertEqual([1, 1, 1, 1, 1, 1, 1],
 
1195
            packs.pack_distribution(7))
 
1196
        self.assertEqual([1, 1, 1, 1, 1, 1, 1, 1],
 
1197
            packs.pack_distribution(8))
 
1198
        self.assertEqual([1, 1, 1, 1, 1, 1, 1, 1, 1],
 
1199
            packs.pack_distribution(9))
 
1200
 
 
1201
    def test_pack_distribution_stable_at_boundaries(self):
 
1202
        """When there are multi-rev packs the counts are stable."""
 
1203
        packs = self.get_packs()
 
1204
        # in 10s:
 
1205
        self.assertEqual([10], packs.pack_distribution(10))
 
1206
        self.assertEqual([10, 1], packs.pack_distribution(11))
 
1207
        self.assertEqual([10, 10], packs.pack_distribution(20))
 
1208
        self.assertEqual([10, 10, 1], packs.pack_distribution(21))
 
1209
        # 100s
 
1210
        self.assertEqual([100], packs.pack_distribution(100))
 
1211
        self.assertEqual([100, 1], packs.pack_distribution(101))
 
1212
        self.assertEqual([100, 10, 1], packs.pack_distribution(111))
 
1213
        self.assertEqual([100, 100], packs.pack_distribution(200))
 
1214
        self.assertEqual([100, 100, 1], packs.pack_distribution(201))
 
1215
        self.assertEqual([100, 100, 10, 1], packs.pack_distribution(211))
 
1216
 
 
1217
    def test_plan_pack_operations_2009_revisions_skip_all_packs(self):
 
1218
        packs = self.get_packs()
 
1219
        existing_packs = [(2000, "big"), (9, "medium")]
 
1220
        # rev count - 2009 -> 2x1000 + 9x1
 
1221
        pack_operations = packs.plan_autopack_combinations(
 
1222
            existing_packs, [1000, 1000, 1, 1, 1, 1, 1, 1, 1, 1, 1])
 
1223
        self.assertEqual([], pack_operations)
 
1224
 
 
1225
    def test_plan_pack_operations_2010_revisions_skip_all_packs(self):
 
1226
        packs = self.get_packs()
 
1227
        existing_packs = [(2000, "big"), (9, "medium"), (1, "single")]
 
1228
        # rev count - 2010 -> 2x1000 + 1x10
 
1229
        pack_operations = packs.plan_autopack_combinations(
 
1230
            existing_packs, [1000, 1000, 10])
 
1231
        self.assertEqual([], pack_operations)
 
1232
 
 
1233
    def test_plan_pack_operations_2010_combines_smallest_two(self):
 
1234
        packs = self.get_packs()
 
1235
        existing_packs = [(1999, "big"), (9, "medium"), (1, "single2"),
 
1236
            (1, "single1")]
 
1237
        # rev count - 2010 -> 2x1000 + 1x10 (3)
 
1238
        pack_operations = packs.plan_autopack_combinations(
 
1239
            existing_packs, [1000, 1000, 10])
 
1240
        self.assertEqual([[2, ["single2", "single1"]]], pack_operations)
 
1241
 
 
1242
    def test_plan_pack_operations_creates_a_single_op(self):
 
1243
        packs = self.get_packs()
 
1244
        existing_packs = [(50, 'a'), (40, 'b'), (30, 'c'), (10, 'd'),
 
1245
                          (10, 'e'), (6, 'f'), (4, 'g')]
 
1246
        # rev count 150 -> 1x100 and 5x10
 
1247
        # The two size 10 packs do not need to be touched. The 50, 40, 30 would
 
1248
        # be combined into a single 120 size pack, and the 6 & 4 would
 
1249
        # becombined into a size 10 pack. However, if we have to rewrite them,
 
1250
        # we save a pack file with no increased I/O by putting them into the
 
1251
        # same file.
 
1252
        distribution = packs.pack_distribution(150)
 
1253
        pack_operations = packs.plan_autopack_combinations(existing_packs,
 
1254
                                                           distribution)
 
1255
        self.assertEqual([[130, ['a', 'b', 'c', 'f', 'g']]], pack_operations)
 
1256
 
 
1257
    def test_all_packs_none(self):
 
1258
        format = self.get_format()
 
1259
        tree = self.make_branch_and_tree('.', format=format)
 
1260
        tree.lock_read()
 
1261
        self.addCleanup(tree.unlock)
 
1262
        packs = tree.branch.repository._pack_collection
 
1263
        packs.ensure_loaded()
 
1264
        self.assertEqual([], packs.all_packs())
 
1265
 
 
1266
    def test_all_packs_one(self):
 
1267
        format = self.get_format()
 
1268
        tree = self.make_branch_and_tree('.', format=format)
 
1269
        tree.commit('start')
 
1270
        tree.lock_read()
 
1271
        self.addCleanup(tree.unlock)
 
1272
        packs = tree.branch.repository._pack_collection
 
1273
        packs.ensure_loaded()
 
1274
        self.assertEqual([
 
1275
            packs.get_pack_by_name(packs.names()[0])],
 
1276
            packs.all_packs())
 
1277
 
 
1278
    def test_all_packs_two(self):
 
1279
        format = self.get_format()
 
1280
        tree = self.make_branch_and_tree('.', format=format)
 
1281
        tree.commit('start')
 
1282
        tree.commit('continue')
 
1283
        tree.lock_read()
 
1284
        self.addCleanup(tree.unlock)
 
1285
        packs = tree.branch.repository._pack_collection
 
1286
        packs.ensure_loaded()
 
1287
        self.assertEqual([
 
1288
            packs.get_pack_by_name(packs.names()[0]),
 
1289
            packs.get_pack_by_name(packs.names()[1]),
 
1290
            ], packs.all_packs())
 
1291
 
 
1292
    def test_get_pack_by_name(self):
 
1293
        format = self.get_format()
 
1294
        tree = self.make_branch_and_tree('.', format=format)
 
1295
        tree.commit('start')
 
1296
        tree.lock_read()
 
1297
        self.addCleanup(tree.unlock)
 
1298
        packs = tree.branch.repository._pack_collection
 
1299
        packs.reset()
 
1300
        packs.ensure_loaded()
 
1301
        name = packs.names()[0]
 
1302
        pack_1 = packs.get_pack_by_name(name)
 
1303
        # the pack should be correctly initialised
 
1304
        sizes = packs._names[name]
 
1305
        rev_index = GraphIndex(packs._index_transport, name + '.rix', sizes[0])
 
1306
        inv_index = GraphIndex(packs._index_transport, name + '.iix', sizes[1])
 
1307
        txt_index = GraphIndex(packs._index_transport, name + '.tix', sizes[2])
 
1308
        sig_index = GraphIndex(packs._index_transport, name + '.six', sizes[3])
 
1309
        self.assertEqual(pack_repo.ExistingPack(packs._pack_transport,
 
1310
            name, rev_index, inv_index, txt_index, sig_index), pack_1)
 
1311
        # and the same instance should be returned on successive calls.
 
1312
        self.assertTrue(pack_1 is packs.get_pack_by_name(name))
 
1313
 
 
1314
    def test_reload_pack_names_new_entry(self):
 
1315
        tree, r, packs, revs = self.make_packs_and_alt_repo()
 
1316
        names = packs.names()
 
1317
        # Add a new pack file into the repository
 
1318
        rev4 = tree.commit('four')
 
1319
        new_names = tree.branch.repository._pack_collection.names()
 
1320
        new_name = set(new_names).difference(names)
 
1321
        self.assertEqual(1, len(new_name))
 
1322
        new_name = new_name.pop()
 
1323
        # The old collection hasn't noticed yet
 
1324
        self.assertEqual(names, packs.names())
 
1325
        self.assertTrue(packs.reload_pack_names())
 
1326
        self.assertEqual(new_names, packs.names())
 
1327
        # And the repository can access the new revision
 
1328
        self.assertEqual({rev4:(revs[-1],)}, r.get_parent_map([rev4]))
 
1329
        self.assertFalse(packs.reload_pack_names())
 
1330
 
 
1331
    def test_reload_pack_names_added_and_removed(self):
 
1332
        tree, r, packs, revs = self.make_packs_and_alt_repo()
 
1333
        names = packs.names()
 
1334
        # Now repack the whole thing
 
1335
        tree.branch.repository.pack()
 
1336
        new_names = tree.branch.repository._pack_collection.names()
 
1337
        # The other collection hasn't noticed yet
 
1338
        self.assertEqual(names, packs.names())
 
1339
        self.assertTrue(packs.reload_pack_names())
 
1340
        self.assertEqual(new_names, packs.names())
 
1341
        self.assertEqual({revs[-1]:(revs[-2],)}, r.get_parent_map([revs[-1]]))
 
1342
        self.assertFalse(packs.reload_pack_names())
 
1343
 
 
1344
    def test_autopack_reloads_and_stops(self):
 
1345
        tree, r, packs, revs = self.make_packs_and_alt_repo(write_lock=True)
 
1346
        # After we have determined what needs to be autopacked, trigger a
 
1347
        # full-pack via the other repo which will cause us to re-evaluate and
 
1348
        # decide we don't need to do anything
 
1349
        orig_execute = packs._execute_pack_operations
 
1350
        def _munged_execute_pack_ops(*args, **kwargs):
 
1351
            tree.branch.repository.pack()
 
1352
            return orig_execute(*args, **kwargs)
 
1353
        packs._execute_pack_operations = _munged_execute_pack_ops
 
1354
        packs._max_pack_count = lambda x: 1
 
1355
        packs.pack_distribution = lambda x: [10]
 
1356
        self.assertFalse(packs.autopack())
 
1357
        self.assertEqual(1, len(packs.names()))
 
1358
        self.assertEqual(tree.branch.repository._pack_collection.names(),
 
1359
                         packs.names())
 
1360
 
 
1361
 
 
1362
class TestPack(TestCaseWithTransport):
 
1363
    """Tests for the Pack object."""
 
1364
 
 
1365
    def assertCurrentlyEqual(self, left, right):
 
1366
        self.assertTrue(left == right)
 
1367
        self.assertTrue(right == left)
 
1368
        self.assertFalse(left != right)
 
1369
        self.assertFalse(right != left)
 
1370
 
 
1371
    def assertCurrentlyNotEqual(self, left, right):
 
1372
        self.assertFalse(left == right)
 
1373
        self.assertFalse(right == left)
 
1374
        self.assertTrue(left != right)
 
1375
        self.assertTrue(right != left)
 
1376
 
 
1377
    def test___eq____ne__(self):
 
1378
        left = pack_repo.ExistingPack('', '', '', '', '', '')
 
1379
        right = pack_repo.ExistingPack('', '', '', '', '', '')
 
1380
        self.assertCurrentlyEqual(left, right)
 
1381
        # change all attributes and ensure equality changes as we do.
 
1382
        left.revision_index = 'a'
 
1383
        self.assertCurrentlyNotEqual(left, right)
 
1384
        right.revision_index = 'a'
 
1385
        self.assertCurrentlyEqual(left, right)
 
1386
        left.inventory_index = 'a'
 
1387
        self.assertCurrentlyNotEqual(left, right)
 
1388
        right.inventory_index = 'a'
 
1389
        self.assertCurrentlyEqual(left, right)
 
1390
        left.text_index = 'a'
 
1391
        self.assertCurrentlyNotEqual(left, right)
 
1392
        right.text_index = 'a'
 
1393
        self.assertCurrentlyEqual(left, right)
 
1394
        left.signature_index = 'a'
 
1395
        self.assertCurrentlyNotEqual(left, right)
 
1396
        right.signature_index = 'a'
 
1397
        self.assertCurrentlyEqual(left, right)
 
1398
        left.name = 'a'
 
1399
        self.assertCurrentlyNotEqual(left, right)
 
1400
        right.name = 'a'
 
1401
        self.assertCurrentlyEqual(left, right)
 
1402
        left.transport = 'a'
 
1403
        self.assertCurrentlyNotEqual(left, right)
 
1404
        right.transport = 'a'
 
1405
        self.assertCurrentlyEqual(left, right)
 
1406
 
 
1407
    def test_file_name(self):
 
1408
        pack = pack_repo.ExistingPack('', 'a_name', '', '', '', '')
 
1409
        self.assertEqual('a_name.pack', pack.file_name())
 
1410
 
 
1411
 
 
1412
class TestNewPack(TestCaseWithTransport):
 
1413
    """Tests for pack_repo.NewPack."""
 
1414
 
 
1415
    def test_new_instance_attributes(self):
 
1416
        upload_transport = self.get_transport('upload')
 
1417
        pack_transport = self.get_transport('pack')
 
1418
        index_transport = self.get_transport('index')
 
1419
        upload_transport.mkdir('.')
 
1420
        collection = pack_repo.RepositoryPackCollection(
 
1421
            repo=None,
 
1422
            transport=self.get_transport('.'),
 
1423
            index_transport=index_transport,
 
1424
            upload_transport=upload_transport,
 
1425
            pack_transport=pack_transport,
 
1426
            index_builder_class=BTreeBuilder,
 
1427
            index_class=BTreeGraphIndex,
 
1428
            use_chk_index=False)
 
1429
        pack = pack_repo.NewPack(collection)
 
1430
        self.addCleanup(pack.abort) # Make sure the write stream gets closed
 
1431
        self.assertIsInstance(pack.revision_index, BTreeBuilder)
 
1432
        self.assertIsInstance(pack.inventory_index, BTreeBuilder)
 
1433
        self.assertIsInstance(pack._hash, type(osutils.md5()))
 
1434
        self.assertTrue(pack.upload_transport is upload_transport)
 
1435
        self.assertTrue(pack.index_transport is index_transport)
 
1436
        self.assertTrue(pack.pack_transport is pack_transport)
 
1437
        self.assertEqual(None, pack.index_sizes)
 
1438
        self.assertEqual(20, len(pack.random_name))
 
1439
        self.assertIsInstance(pack.random_name, str)
 
1440
        self.assertIsInstance(pack.start_time, float)
 
1441
 
 
1442
 
 
1443
class TestPacker(TestCaseWithTransport):
 
1444
    """Tests for the packs repository Packer class."""
 
1445
 
 
1446
    def test_pack_optimizes_pack_order(self):
 
1447
        builder = self.make_branch_builder('.', format="1.9")
 
1448
        builder.start_series()
 
1449
        builder.build_snapshot('A', None, [
 
1450
            ('add', ('', 'root-id', 'directory', None)),
 
1451
            ('add', ('f', 'f-id', 'file', 'content\n'))])
 
1452
        builder.build_snapshot('B', ['A'],
 
1453
            [('modify', ('f-id', 'new-content\n'))])
 
1454
        builder.build_snapshot('C', ['B'],
 
1455
            [('modify', ('f-id', 'third-content\n'))])
 
1456
        builder.build_snapshot('D', ['C'],
 
1457
            [('modify', ('f-id', 'fourth-content\n'))])
 
1458
        b = builder.get_branch()
 
1459
        b.lock_read()
 
1460
        builder.finish_series()
 
1461
        self.addCleanup(b.unlock)
 
1462
        # At this point, we should have 4 pack files available
 
1463
        # Because of how they were built, they correspond to
 
1464
        # ['D', 'C', 'B', 'A']
 
1465
        packs = b.repository._pack_collection.packs
 
1466
        packer = pack_repo.Packer(b.repository._pack_collection,
 
1467
                                  packs, 'testing',
 
1468
                                  revision_ids=['B', 'C'])
 
1469
        # Now, when we are copying the B & C revisions, their pack files should
 
1470
        # be moved to the front of the stack
 
1471
        # The new ordering moves B & C to the front of the .packs attribute,
 
1472
        # and leaves the others in the original order.
 
1473
        new_packs = [packs[1], packs[2], packs[0], packs[3]]
 
1474
        new_pack = packer.pack()
 
1475
        self.assertEqual(new_packs, packer.packs)
 
1476
 
 
1477
 
 
1478
class TestOptimisingPacker(TestCaseWithTransport):
 
1479
    """Tests for the OptimisingPacker class."""
 
1480
 
 
1481
    def get_pack_collection(self):
 
1482
        repo = self.make_repository('.')
 
1483
        return repo._pack_collection
 
1484
 
 
1485
    def test_open_pack_will_optimise(self):
 
1486
        packer = pack_repo.OptimisingPacker(self.get_pack_collection(),
 
1487
                                            [], '.test')
 
1488
        new_pack = packer.open_pack()
 
1489
        self.addCleanup(new_pack.abort) # ensure cleanup
 
1490
        self.assertIsInstance(new_pack, pack_repo.NewPack)
 
1491
        self.assertTrue(new_pack.revision_index._optimize_for_size)
 
1492
        self.assertTrue(new_pack.inventory_index._optimize_for_size)
 
1493
        self.assertTrue(new_pack.text_index._optimize_for_size)
 
1494
        self.assertTrue(new_pack.signature_index._optimize_for_size)
 
1495
 
 
1496
 
 
1497
class TestCrossFormatPacks(TestCaseWithTransport):
 
1498
 
 
1499
    def log_pack(self, hint=None):
 
1500
        self.calls.append(('pack', hint))
 
1501
        self.orig_pack(hint=hint)
 
1502
        if self.expect_hint:
 
1503
            self.assertTrue(hint)
 
1504
 
 
1505
    def run_stream(self, src_fmt, target_fmt, expect_pack_called):
 
1506
        self.expect_hint = expect_pack_called
 
1507
        self.calls = []
 
1508
        source_tree = self.make_branch_and_tree('src', format=src_fmt)
 
1509
        source_tree.lock_write()
 
1510
        self.addCleanup(source_tree.unlock)
 
1511
        tip = source_tree.commit('foo')
 
1512
        target = self.make_repository('target', format=target_fmt)
 
1513
        target.lock_write()
 
1514
        self.addCleanup(target.unlock)
 
1515
        source = source_tree.branch.repository._get_source(target._format)
 
1516
        self.orig_pack = target.pack
 
1517
        target.pack = self.log_pack
 
1518
        search = target.search_missing_revision_ids(
 
1519
            source_tree.branch.repository, tip)
 
1520
        stream = source.get_stream(search)
 
1521
        from_format = source_tree.branch.repository._format
 
1522
        sink = target._get_sink()
 
1523
        sink.insert_stream(stream, from_format, [])
 
1524
        if expect_pack_called:
 
1525
            self.assertLength(1, self.calls)
 
1526
        else:
 
1527
            self.assertLength(0, self.calls)
 
1528
 
 
1529
    def run_fetch(self, src_fmt, target_fmt, expect_pack_called):
 
1530
        self.expect_hint = expect_pack_called
 
1531
        self.calls = []
 
1532
        source_tree = self.make_branch_and_tree('src', format=src_fmt)
 
1533
        source_tree.lock_write()
 
1534
        self.addCleanup(source_tree.unlock)
 
1535
        tip = source_tree.commit('foo')
 
1536
        target = self.make_repository('target', format=target_fmt)
 
1537
        target.lock_write()
 
1538
        self.addCleanup(target.unlock)
 
1539
        source = source_tree.branch.repository
 
1540
        self.orig_pack = target.pack
 
1541
        target.pack = self.log_pack
 
1542
        target.fetch(source)
 
1543
        if expect_pack_called:
 
1544
            self.assertLength(1, self.calls)
 
1545
        else:
 
1546
            self.assertLength(0, self.calls)
 
1547
 
 
1548
    def test_sink_format_hint_no(self):
 
1549
        # When the target format says packing makes no difference, pack is not
 
1550
        # called.
 
1551
        self.run_stream('1.9', 'rich-root-pack', False)
 
1552
 
 
1553
    def test_sink_format_hint_yes(self):
 
1554
        # When the target format says packing makes a difference, pack is
 
1555
        # called.
 
1556
        self.run_stream('1.9', '2a', True)
 
1557
 
 
1558
    def test_sink_format_same_no(self):
 
1559
        # When the formats are the same, pack is not called.
 
1560
        self.run_stream('2a', '2a', False)
 
1561
 
 
1562
    def test_IDS_format_hint_no(self):
 
1563
        # When the target format says packing makes no difference, pack is not
 
1564
        # called.
 
1565
        self.run_fetch('1.9', 'rich-root-pack', False)
 
1566
 
 
1567
    def test_IDS_format_hint_yes(self):
 
1568
        # When the target format says packing makes a difference, pack is
 
1569
        # called.
 
1570
        self.run_fetch('1.9', '2a', True)
 
1571
 
 
1572
    def test_IDS_format_same_no(self):
 
1573
        # When the formats are the same, pack is not called.
 
1574
        self.run_fetch('2a', '2a', False)