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(Matt Nordhoff) Standardize the exceptions when creating a new
        StaticTuple (bug #457979)

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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.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
    versionedfile,
 
67
    workingtree,
 
68
    )
 
69
from bzrlib.repofmt import (
 
70
    groupcompress_repo,
 
71
    knitrepo,
 
72
    pack_repo,
 
73
    weaverepo,
 
74
    )
 
75
 
 
76
 
 
77
class TestDefaultFormat(TestCase):
 
78
 
 
79
    def test_get_set_default_format(self):
 
80
        old_default = bzrdir.format_registry.get('default')
 
81
        private_default = old_default().repository_format.__class__
 
82
        old_format = repository.RepositoryFormat.get_default_format()
 
83
        self.assertTrue(isinstance(old_format, private_default))
 
84
        def make_sample_bzrdir():
 
85
            my_bzrdir = bzrdir.BzrDirMetaFormat1()
 
86
            my_bzrdir.repository_format = SampleRepositoryFormat()
 
87
            return my_bzrdir
 
88
        bzrdir.format_registry.remove('default')
 
89
        bzrdir.format_registry.register('sample', make_sample_bzrdir, '')
 
90
        bzrdir.format_registry.set_default('sample')
 
91
        # creating a repository should now create an instrumented dir.
 
92
        try:
 
93
            # the default branch format is used by the meta dir format
 
94
            # which is not the default bzrdir format at this point
 
95
            dir = bzrdir.BzrDirMetaFormat1().initialize('memory:///')
 
96
            result = dir.create_repository()
 
97
            self.assertEqual(result, 'A bzr repository dir')
 
98
        finally:
 
99
            bzrdir.format_registry.remove('default')
 
100
            bzrdir.format_registry.remove('sample')
 
101
            bzrdir.format_registry.register('default', old_default, '')
 
102
        self.assertIsInstance(repository.RepositoryFormat.get_default_format(),
 
103
                              old_format.__class__)
 
104
 
 
105
 
 
106
class SampleRepositoryFormat(repository.RepositoryFormat):
 
107
    """A sample format
 
108
 
 
109
    this format is initializable, unsupported to aid in testing the
 
110
    open and open(unsupported=True) routines.
 
111
    """
 
112
 
 
113
    def get_format_string(self):
 
114
        """See RepositoryFormat.get_format_string()."""
 
115
        return "Sample .bzr repository format."
 
116
 
 
117
    def initialize(self, a_bzrdir, shared=False):
 
118
        """Initialize a repository in a BzrDir"""
 
119
        t = a_bzrdir.get_repository_transport(self)
 
120
        t.put_bytes('format', self.get_format_string())
 
121
        return 'A bzr repository dir'
 
122
 
 
123
    def is_supported(self):
 
124
        return False
 
125
 
 
126
    def open(self, a_bzrdir, _found=False):
 
127
        return "opened repository."
 
128
 
 
129
 
 
130
class TestRepositoryFormat(TestCaseWithTransport):
 
131
    """Tests for the Repository format detection used by the bzr meta dir facility.BzrBranchFormat facility."""
 
132
 
 
133
    def test_find_format(self):
 
134
        # is the right format object found for a repository?
 
135
        # create a branch with a few known format objects.
 
136
        # this is not quite the same as
 
137
        self.build_tree(["foo/", "bar/"])
 
138
        def check_format(format, url):
 
139
            dir = format._matchingbzrdir.initialize(url)
 
140
            format.initialize(dir)
 
141
            t = get_transport(url)
 
142
            found_format = repository.RepositoryFormat.find_format(dir)
 
143
            self.failUnless(isinstance(found_format, format.__class__))
 
144
        check_format(weaverepo.RepositoryFormat7(), "bar")
 
145
 
 
146
    def test_find_format_no_repository(self):
 
147
        dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
 
148
        self.assertRaises(errors.NoRepositoryPresent,
 
149
                          repository.RepositoryFormat.find_format,
 
150
                          dir)
 
151
 
 
152
    def test_find_format_unknown_format(self):
 
153
        dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
 
154
        SampleRepositoryFormat().initialize(dir)
 
155
        self.assertRaises(UnknownFormatError,
 
156
                          repository.RepositoryFormat.find_format,
 
157
                          dir)
 
158
 
 
159
    def test_register_unregister_format(self):
 
160
        format = SampleRepositoryFormat()
 
161
        # make a control dir
 
162
        dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
 
163
        # make a repo
 
164
        format.initialize(dir)
 
165
        # register a format for it.
 
166
        repository.RepositoryFormat.register_format(format)
 
167
        # which repository.Open will refuse (not supported)
 
168
        self.assertRaises(UnsupportedFormatError, repository.Repository.open, self.get_url())
 
169
        # but open(unsupported) will work
 
170
        self.assertEqual(format.open(dir), "opened repository.")
 
171
        # unregister the format
 
172
        repository.RepositoryFormat.unregister_format(format)
 
173
 
 
174
 
 
175
class TestFormat6(TestCaseWithTransport):
 
176
 
 
177
    def test_attribute__fetch_order(self):
 
178
        """Weaves need topological data insertion."""
 
179
        control = bzrdir.BzrDirFormat6().initialize(self.get_url())
 
180
        repo = weaverepo.RepositoryFormat6().initialize(control)
 
181
        self.assertEqual('topological', repo._format._fetch_order)
 
182
 
 
183
    def test_attribute__fetch_uses_deltas(self):
 
184
        """Weaves do not reuse deltas."""
 
185
        control = bzrdir.BzrDirFormat6().initialize(self.get_url())
 
186
        repo = weaverepo.RepositoryFormat6().initialize(control)
 
187
        self.assertEqual(False, repo._format._fetch_uses_deltas)
 
188
 
 
189
    def test_attribute__fetch_reconcile(self):
 
190
        """Weave repositories need a reconcile after fetch."""
 
191
        control = bzrdir.BzrDirFormat6().initialize(self.get_url())
 
192
        repo = weaverepo.RepositoryFormat6().initialize(control)
 
193
        self.assertEqual(True, repo._format._fetch_reconcile)
 
194
 
 
195
    def test_no_ancestry_weave(self):
 
196
        control = bzrdir.BzrDirFormat6().initialize(self.get_url())
 
197
        repo = weaverepo.RepositoryFormat6().initialize(control)
 
198
        # We no longer need to create the ancestry.weave file
 
199
        # since it is *never* used.
 
200
        self.assertRaises(NoSuchFile,
 
201
                          control.transport.get,
 
202
                          'ancestry.weave')
 
203
 
 
204
    def test_supports_external_lookups(self):
 
205
        control = bzrdir.BzrDirFormat6().initialize(self.get_url())
 
206
        repo = weaverepo.RepositoryFormat6().initialize(control)
 
207
        self.assertFalse(repo._format.supports_external_lookups)
 
208
 
 
209
 
 
210
class TestFormat7(TestCaseWithTransport):
 
211
 
 
212
    def test_attribute__fetch_order(self):
 
213
        """Weaves need topological data insertion."""
 
214
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
 
215
        repo = weaverepo.RepositoryFormat7().initialize(control)
 
216
        self.assertEqual('topological', repo._format._fetch_order)
 
217
 
 
218
    def test_attribute__fetch_uses_deltas(self):
 
219
        """Weaves do not reuse deltas."""
 
220
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
 
221
        repo = weaverepo.RepositoryFormat7().initialize(control)
 
222
        self.assertEqual(False, repo._format._fetch_uses_deltas)
 
223
 
 
224
    def test_attribute__fetch_reconcile(self):
 
225
        """Weave repositories need a reconcile after fetch."""
 
226
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
 
227
        repo = weaverepo.RepositoryFormat7().initialize(control)
 
228
        self.assertEqual(True, repo._format._fetch_reconcile)
 
229
 
 
230
    def test_disk_layout(self):
 
231
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
 
232
        repo = weaverepo.RepositoryFormat7().initialize(control)
 
233
        # in case of side effects of locking.
 
234
        repo.lock_write()
 
235
        repo.unlock()
 
236
        # we want:
 
237
        # format 'Bazaar-NG Repository format 7'
 
238
        # lock ''
 
239
        # inventory.weave == empty_weave
 
240
        # empty revision-store directory
 
241
        # empty weaves directory
 
242
        t = control.get_repository_transport(None)
 
243
        self.assertEqualDiff('Bazaar-NG Repository format 7',
 
244
                             t.get('format').read())
 
245
        self.assertTrue(S_ISDIR(t.stat('revision-store').st_mode))
 
246
        self.assertTrue(S_ISDIR(t.stat('weaves').st_mode))
 
247
        self.assertEqualDiff('# bzr weave file v5\n'
 
248
                             'w\n'
 
249
                             'W\n',
 
250
                             t.get('inventory.weave').read())
 
251
        # Creating a file with id Foo:Bar results in a non-escaped file name on
 
252
        # disk.
 
253
        control.create_branch()
 
254
        tree = control.create_workingtree()
 
255
        tree.add(['foo'], ['Foo:Bar'], ['file'])
 
256
        tree.put_file_bytes_non_atomic('Foo:Bar', 'content\n')
 
257
        try:
 
258
            tree.commit('first post', rev_id='first')
 
259
        except errors.IllegalPath:
 
260
            if sys.platform != 'win32':
 
261
                raise
 
262
            self.knownFailure('Foo:Bar cannot be used as a file-id on windows'
 
263
                              ' in repo format 7')
 
264
            return
 
265
        self.assertEqualDiff(
 
266
            '# bzr weave file v5\n'
 
267
            'i\n'
 
268
            '1 7fe70820e08a1aac0ef224d9c66ab66831cc4ab1\n'
 
269
            'n first\n'
 
270
            '\n'
 
271
            'w\n'
 
272
            '{ 0\n'
 
273
            '. content\n'
 
274
            '}\n'
 
275
            'W\n',
 
276
            t.get('weaves/74/Foo%3ABar.weave').read())
 
277
 
 
278
    def test_shared_disk_layout(self):
 
279
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
 
280
        repo = weaverepo.RepositoryFormat7().initialize(control, shared=True)
 
281
        # we want:
 
282
        # format 'Bazaar-NG Repository format 7'
 
283
        # inventory.weave == empty_weave
 
284
        # empty revision-store directory
 
285
        # empty weaves directory
 
286
        # a 'shared-storage' marker file.
 
287
        # lock is not present when unlocked
 
288
        t = control.get_repository_transport(None)
 
289
        self.assertEqualDiff('Bazaar-NG Repository format 7',
 
290
                             t.get('format').read())
 
291
        self.assertEqualDiff('', t.get('shared-storage').read())
 
292
        self.assertTrue(S_ISDIR(t.stat('revision-store').st_mode))
 
293
        self.assertTrue(S_ISDIR(t.stat('weaves').st_mode))
 
294
        self.assertEqualDiff('# bzr weave file v5\n'
 
295
                             'w\n'
 
296
                             'W\n',
 
297
                             t.get('inventory.weave').read())
 
298
        self.assertFalse(t.has('branch-lock'))
 
299
 
 
300
    def test_creates_lockdir(self):
 
301
        """Make sure it appears to be controlled by a LockDir existence"""
 
302
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
 
303
        repo = weaverepo.RepositoryFormat7().initialize(control, shared=True)
 
304
        t = control.get_repository_transport(None)
 
305
        # TODO: Should check there is a 'lock' toplevel directory,
 
306
        # regardless of contents
 
307
        self.assertFalse(t.has('lock/held/info'))
 
308
        repo.lock_write()
 
309
        try:
 
310
            self.assertTrue(t.has('lock/held/info'))
 
311
        finally:
 
312
            # unlock so we don't get a warning about failing to do so
 
313
            repo.unlock()
 
314
 
 
315
    def test_uses_lockdir(self):
 
316
        """repo format 7 actually locks on lockdir"""
 
317
        base_url = self.get_url()
 
318
        control = bzrdir.BzrDirMetaFormat1().initialize(base_url)
 
319
        repo = weaverepo.RepositoryFormat7().initialize(control, shared=True)
 
320
        t = control.get_repository_transport(None)
 
321
        repo.lock_write()
 
322
        repo.unlock()
 
323
        del repo
 
324
        # make sure the same lock is created by opening it
 
325
        repo = repository.Repository.open(base_url)
 
326
        repo.lock_write()
 
327
        self.assertTrue(t.has('lock/held/info'))
 
328
        repo.unlock()
 
329
        self.assertFalse(t.has('lock/held/info'))
 
330
 
 
331
    def test_shared_no_tree_disk_layout(self):
 
332
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
 
333
        repo = weaverepo.RepositoryFormat7().initialize(control, shared=True)
 
334
        repo.set_make_working_trees(False)
 
335
        # we want:
 
336
        # format 'Bazaar-NG Repository format 7'
 
337
        # lock ''
 
338
        # inventory.weave == empty_weave
 
339
        # empty revision-store directory
 
340
        # empty weaves directory
 
341
        # a 'shared-storage' marker file.
 
342
        t = control.get_repository_transport(None)
 
343
        self.assertEqualDiff('Bazaar-NG Repository format 7',
 
344
                             t.get('format').read())
 
345
        ## self.assertEqualDiff('', t.get('lock').read())
 
346
        self.assertEqualDiff('', t.get('shared-storage').read())
 
347
        self.assertEqualDiff('', t.get('no-working-trees').read())
 
348
        repo.set_make_working_trees(True)
 
349
        self.assertFalse(t.has('no-working-trees'))
 
350
        self.assertTrue(S_ISDIR(t.stat('revision-store').st_mode))
 
351
        self.assertTrue(S_ISDIR(t.stat('weaves').st_mode))
 
352
        self.assertEqualDiff('# bzr weave file v5\n'
 
353
                             'w\n'
 
354
                             'W\n',
 
355
                             t.get('inventory.weave').read())
 
356
 
 
357
    def test_supports_external_lookups(self):
 
358
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
 
359
        repo = weaverepo.RepositoryFormat7().initialize(control)
 
360
        self.assertFalse(repo._format.supports_external_lookups)
 
361
 
 
362
 
 
363
class TestFormatKnit1(TestCaseWithTransport):
 
364
 
 
365
    def test_attribute__fetch_order(self):
 
366
        """Knits need topological data insertion."""
 
367
        repo = self.make_repository('.',
 
368
                format=bzrdir.format_registry.get('knit')())
 
369
        self.assertEqual('topological', repo._format._fetch_order)
 
370
 
 
371
    def test_attribute__fetch_uses_deltas(self):
 
372
        """Knits reuse deltas."""
 
373
        repo = self.make_repository('.',
 
374
                format=bzrdir.format_registry.get('knit')())
 
375
        self.assertEqual(True, repo._format._fetch_uses_deltas)
 
376
 
 
377
    def test_disk_layout(self):
 
378
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
 
379
        repo = knitrepo.RepositoryFormatKnit1().initialize(control)
 
380
        # in case of side effects of locking.
 
381
        repo.lock_write()
 
382
        repo.unlock()
 
383
        # we want:
 
384
        # format 'Bazaar-NG Knit Repository Format 1'
 
385
        # lock: is a directory
 
386
        # inventory.weave == empty_weave
 
387
        # empty revision-store directory
 
388
        # empty weaves directory
 
389
        t = control.get_repository_transport(None)
 
390
        self.assertEqualDiff('Bazaar-NG Knit Repository Format 1',
 
391
                             t.get('format').read())
 
392
        # XXX: no locks left when unlocked at the moment
 
393
        # self.assertEqualDiff('', t.get('lock').read())
 
394
        self.assertTrue(S_ISDIR(t.stat('knits').st_mode))
 
395
        self.check_knits(t)
 
396
        # Check per-file knits.
 
397
        branch = control.create_branch()
 
398
        tree = control.create_workingtree()
 
399
        tree.add(['foo'], ['Nasty-IdC:'], ['file'])
 
400
        tree.put_file_bytes_non_atomic('Nasty-IdC:', '')
 
401
        tree.commit('1st post', rev_id='foo')
 
402
        self.assertHasKnit(t, 'knits/e8/%254easty-%2549d%2543%253a',
 
403
            '\nfoo fulltext 0 81  :')
 
404
 
 
405
    def assertHasKnit(self, t, knit_name, extra_content=''):
 
406
        """Assert that knit_name exists on t."""
 
407
        self.assertEqualDiff('# bzr knit index 8\n' + extra_content,
 
408
                             t.get(knit_name + '.kndx').read())
 
409
 
 
410
    def check_knits(self, t):
 
411
        """check knit content for a repository."""
 
412
        self.assertHasKnit(t, 'inventory')
 
413
        self.assertHasKnit(t, 'revisions')
 
414
        self.assertHasKnit(t, 'signatures')
 
415
 
 
416
    def test_shared_disk_layout(self):
 
417
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
 
418
        repo = knitrepo.RepositoryFormatKnit1().initialize(control, shared=True)
 
419
        # we want:
 
420
        # format 'Bazaar-NG Knit Repository Format 1'
 
421
        # lock: is a directory
 
422
        # inventory.weave == empty_weave
 
423
        # empty revision-store directory
 
424
        # empty weaves directory
 
425
        # a 'shared-storage' marker file.
 
426
        t = control.get_repository_transport(None)
 
427
        self.assertEqualDiff('Bazaar-NG Knit Repository Format 1',
 
428
                             t.get('format').read())
 
429
        # XXX: no locks left when unlocked at the moment
 
430
        # self.assertEqualDiff('', t.get('lock').read())
 
431
        self.assertEqualDiff('', t.get('shared-storage').read())
 
432
        self.assertTrue(S_ISDIR(t.stat('knits').st_mode))
 
433
        self.check_knits(t)
 
434
 
 
435
    def test_shared_no_tree_disk_layout(self):
 
436
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
 
437
        repo = knitrepo.RepositoryFormatKnit1().initialize(control, shared=True)
 
438
        repo.set_make_working_trees(False)
 
439
        # we want:
 
440
        # format 'Bazaar-NG Knit Repository Format 1'
 
441
        # lock ''
 
442
        # inventory.weave == empty_weave
 
443
        # empty revision-store directory
 
444
        # empty weaves directory
 
445
        # a 'shared-storage' marker file.
 
446
        t = control.get_repository_transport(None)
 
447
        self.assertEqualDiff('Bazaar-NG Knit Repository Format 1',
 
448
                             t.get('format').read())
 
449
        # XXX: no locks left when unlocked at the moment
 
450
        # self.assertEqualDiff('', t.get('lock').read())
 
451
        self.assertEqualDiff('', t.get('shared-storage').read())
 
452
        self.assertEqualDiff('', t.get('no-working-trees').read())
 
453
        repo.set_make_working_trees(True)
 
454
        self.assertFalse(t.has('no-working-trees'))
 
455
        self.assertTrue(S_ISDIR(t.stat('knits').st_mode))
 
456
        self.check_knits(t)
 
457
 
 
458
    def test_deserialise_sets_root_revision(self):
 
459
        """We must have a inventory.root.revision
 
460
 
 
461
        Old versions of the XML5 serializer did not set the revision_id for
 
462
        the whole inventory. So we grab the one from the expected text. Which
 
463
        is valid when the api is not being abused.
 
464
        """
 
465
        repo = self.make_repository('.',
 
466
                format=bzrdir.format_registry.get('knit')())
 
467
        inv_xml = '<inventory format="5">\n</inventory>\n'
 
468
        inv = repo.deserialise_inventory('test-rev-id', inv_xml)
 
469
        self.assertEqual('test-rev-id', inv.root.revision)
 
470
 
 
471
    def test_deserialise_uses_global_revision_id(self):
 
472
        """If it is set, then we re-use the global revision id"""
 
473
        repo = self.make_repository('.',
 
474
                format=bzrdir.format_registry.get('knit')())
 
475
        inv_xml = ('<inventory format="5" revision_id="other-rev-id">\n'
 
476
                   '</inventory>\n')
 
477
        # Arguably, the deserialise_inventory should detect a mismatch, and
 
478
        # raise an error, rather than silently using one revision_id over the
 
479
        # other.
 
480
        self.assertRaises(AssertionError, repo.deserialise_inventory,
 
481
            'test-rev-id', inv_xml)
 
482
        inv = repo.deserialise_inventory('other-rev-id', inv_xml)
 
483
        self.assertEqual('other-rev-id', inv.root.revision)
 
484
 
 
485
    def test_supports_external_lookups(self):
 
486
        repo = self.make_repository('.',
 
487
                format=bzrdir.format_registry.get('knit')())
 
488
        self.assertFalse(repo._format.supports_external_lookups)
 
489
 
 
490
 
 
491
class DummyRepository(object):
 
492
    """A dummy repository for testing."""
 
493
 
 
494
    _format = None
 
495
    _serializer = None
 
496
 
 
497
    def supports_rich_root(self):
 
498
        if self._format is not None:
 
499
            return self._format.rich_root_data
 
500
        return False
 
501
 
 
502
    def get_graph(self):
 
503
        raise NotImplementedError
 
504
 
 
505
    def get_parent_map(self, revision_ids):
 
506
        raise NotImplementedError
 
507
 
 
508
 
 
509
class InterDummy(repository.InterRepository):
 
510
    """An inter-repository optimised code path for DummyRepository.
 
511
 
 
512
    This is for use during testing where we use DummyRepository as repositories
 
513
    so that none of the default regsitered inter-repository classes will
 
514
    MATCH.
 
515
    """
 
516
 
 
517
    @staticmethod
 
518
    def is_compatible(repo_source, repo_target):
 
519
        """InterDummy is compatible with DummyRepository."""
 
520
        return (isinstance(repo_source, DummyRepository) and
 
521
            isinstance(repo_target, DummyRepository))
 
522
 
 
523
 
 
524
class TestInterRepository(TestCaseWithTransport):
 
525
 
 
526
    def test_get_default_inter_repository(self):
 
527
        # test that the InterRepository.get(repo_a, repo_b) probes
 
528
        # for a inter_repo class where is_compatible(repo_a, repo_b) returns
 
529
        # true and returns a default inter_repo otherwise.
 
530
        # This also tests that the default registered optimised interrepository
 
531
        # classes do not barf inappropriately when a surprising repository type
 
532
        # is handed to them.
 
533
        dummy_a = DummyRepository()
 
534
        dummy_b = DummyRepository()
 
535
        self.assertGetsDefaultInterRepository(dummy_a, dummy_b)
 
536
 
 
537
    def assertGetsDefaultInterRepository(self, repo_a, repo_b):
 
538
        """Asserts that InterRepository.get(repo_a, repo_b) -> the default.
 
539
 
 
540
        The effective default is now InterSameDataRepository because there is
 
541
        no actual sane default in the presence of incompatible data models.
 
542
        """
 
543
        inter_repo = repository.InterRepository.get(repo_a, repo_b)
 
544
        self.assertEqual(repository.InterSameDataRepository,
 
545
                         inter_repo.__class__)
 
546
        self.assertEqual(repo_a, inter_repo.source)
 
547
        self.assertEqual(repo_b, inter_repo.target)
 
548
 
 
549
    def test_register_inter_repository_class(self):
 
550
        # test that a optimised code path provider - a
 
551
        # InterRepository subclass can be registered and unregistered
 
552
        # and that it is correctly selected when given a repository
 
553
        # pair that it returns true on for the is_compatible static method
 
554
        # check
 
555
        dummy_a = DummyRepository()
 
556
        dummy_a._format = RepositoryFormat()
 
557
        dummy_b = DummyRepository()
 
558
        dummy_b._format = RepositoryFormat()
 
559
        repo = self.make_repository('.')
 
560
        # hack dummies to look like repo somewhat.
 
561
        dummy_a._serializer = repo._serializer
 
562
        dummy_a._format.supports_tree_reference = repo._format.supports_tree_reference
 
563
        dummy_a._format.rich_root_data = repo._format.rich_root_data
 
564
        dummy_b._serializer = repo._serializer
 
565
        dummy_b._format.supports_tree_reference = repo._format.supports_tree_reference
 
566
        dummy_b._format.rich_root_data = repo._format.rich_root_data
 
567
        repository.InterRepository.register_optimiser(InterDummy)
 
568
        try:
 
569
            # we should get the default for something InterDummy returns False
 
570
            # to
 
571
            self.assertFalse(InterDummy.is_compatible(dummy_a, repo))
 
572
            self.assertGetsDefaultInterRepository(dummy_a, repo)
 
573
            # and we should get an InterDummy for a pair it 'likes'
 
574
            self.assertTrue(InterDummy.is_compatible(dummy_a, dummy_b))
 
575
            inter_repo = repository.InterRepository.get(dummy_a, dummy_b)
 
576
            self.assertEqual(InterDummy, inter_repo.__class__)
 
577
            self.assertEqual(dummy_a, inter_repo.source)
 
578
            self.assertEqual(dummy_b, inter_repo.target)
 
579
        finally:
 
580
            repository.InterRepository.unregister_optimiser(InterDummy)
 
581
        # now we should get the default InterRepository object again.
 
582
        self.assertGetsDefaultInterRepository(dummy_a, dummy_b)
 
583
 
 
584
 
 
585
class TestInterWeaveRepo(TestCaseWithTransport):
 
586
 
 
587
    def test_is_compatible_and_registered(self):
 
588
        # InterWeaveRepo is compatible when either side
 
589
        # is a format 5/6/7 branch
 
590
        from bzrlib.repofmt import knitrepo, weaverepo
 
591
        formats = [weaverepo.RepositoryFormat5(),
 
592
                   weaverepo.RepositoryFormat6(),
 
593
                   weaverepo.RepositoryFormat7()]
 
594
        incompatible_formats = [weaverepo.RepositoryFormat4(),
 
595
                                knitrepo.RepositoryFormatKnit1(),
 
596
                                ]
 
597
        repo_a = self.make_repository('a')
 
598
        repo_b = self.make_repository('b')
 
599
        is_compatible = repository.InterWeaveRepo.is_compatible
 
600
        for source in incompatible_formats:
 
601
            # force incompatible left then right
 
602
            repo_a._format = source
 
603
            repo_b._format = formats[0]
 
604
            self.assertFalse(is_compatible(repo_a, repo_b))
 
605
            self.assertFalse(is_compatible(repo_b, repo_a))
 
606
        for source in formats:
 
607
            repo_a._format = source
 
608
            for target in formats:
 
609
                repo_b._format = target
 
610
                self.assertTrue(is_compatible(repo_a, repo_b))
 
611
        self.assertEqual(repository.InterWeaveRepo,
 
612
                         repository.InterRepository.get(repo_a,
 
613
                                                        repo_b).__class__)
 
614
 
 
615
 
 
616
class TestRepositoryConverter(TestCaseWithTransport):
 
617
 
 
618
    def test_convert_empty(self):
 
619
        t = get_transport(self.get_url('.'))
 
620
        t.mkdir('repository')
 
621
        repo_dir = bzrdir.BzrDirMetaFormat1().initialize('repository')
 
622
        repo = weaverepo.RepositoryFormat7().initialize(repo_dir)
 
623
        target_format = knitrepo.RepositoryFormatKnit1()
 
624
        converter = repository.CopyConverter(target_format)
 
625
        pb = bzrlib.ui.ui_factory.nested_progress_bar()
 
626
        try:
 
627
            converter.convert(repo, pb)
 
628
        finally:
 
629
            pb.finished()
 
630
        repo = repo_dir.open_repository()
 
631
        self.assertTrue(isinstance(target_format, repo._format.__class__))
 
632
 
 
633
 
 
634
class TestMisc(TestCase):
 
635
 
 
636
    def test_unescape_xml(self):
 
637
        """We get some kind of error when malformed entities are passed"""
 
638
        self.assertRaises(KeyError, repository._unescape_xml, 'foo&bar;')
 
639
 
 
640
 
 
641
class TestRepositoryFormatKnit3(TestCaseWithTransport):
 
642
 
 
643
    def test_attribute__fetch_order(self):
 
644
        """Knits need topological data insertion."""
 
645
        format = bzrdir.BzrDirMetaFormat1()
 
646
        format.repository_format = knitrepo.RepositoryFormatKnit3()
 
647
        repo = self.make_repository('.', format=format)
 
648
        self.assertEqual('topological', repo._format._fetch_order)
 
649
 
 
650
    def test_attribute__fetch_uses_deltas(self):
 
651
        """Knits reuse deltas."""
 
652
        format = bzrdir.BzrDirMetaFormat1()
 
653
        format.repository_format = knitrepo.RepositoryFormatKnit3()
 
654
        repo = self.make_repository('.', format=format)
 
655
        self.assertEqual(True, repo._format._fetch_uses_deltas)
 
656
 
 
657
    def test_convert(self):
 
658
        """Ensure the upgrade adds weaves for roots"""
 
659
        format = bzrdir.BzrDirMetaFormat1()
 
660
        format.repository_format = knitrepo.RepositoryFormatKnit1()
 
661
        tree = self.make_branch_and_tree('.', format)
 
662
        tree.commit("Dull commit", rev_id="dull")
 
663
        revision_tree = tree.branch.repository.revision_tree('dull')
 
664
        revision_tree.lock_read()
 
665
        try:
 
666
            self.assertRaises(errors.NoSuchFile, revision_tree.get_file_lines,
 
667
                revision_tree.inventory.root.file_id)
 
668
        finally:
 
669
            revision_tree.unlock()
 
670
        format = bzrdir.BzrDirMetaFormat1()
 
671
        format.repository_format = knitrepo.RepositoryFormatKnit3()
 
672
        upgrade.Convert('.', format)
 
673
        tree = workingtree.WorkingTree.open('.')
 
674
        revision_tree = tree.branch.repository.revision_tree('dull')
 
675
        revision_tree.lock_read()
 
676
        try:
 
677
            revision_tree.get_file_lines(revision_tree.inventory.root.file_id)
 
678
        finally:
 
679
            revision_tree.unlock()
 
680
        tree.commit("Another dull commit", rev_id='dull2')
 
681
        revision_tree = tree.branch.repository.revision_tree('dull2')
 
682
        revision_tree.lock_read()
 
683
        self.addCleanup(revision_tree.unlock)
 
684
        self.assertEqual('dull', revision_tree.inventory.root.revision)
 
685
 
 
686
    def test_supports_external_lookups(self):
 
687
        format = bzrdir.BzrDirMetaFormat1()
 
688
        format.repository_format = knitrepo.RepositoryFormatKnit3()
 
689
        repo = self.make_repository('.', format=format)
 
690
        self.assertFalse(repo._format.supports_external_lookups)
 
691
 
 
692
 
 
693
class Test2a(tests.TestCaseWithMemoryTransport):
 
694
 
 
695
    def test_fetch_combines_groups(self):
 
696
        builder = self.make_branch_builder('source', format='2a')
 
697
        builder.start_series()
 
698
        builder.build_snapshot('1', None, [
 
699
            ('add', ('', 'root-id', 'directory', '')),
 
700
            ('add', ('file', 'file-id', 'file', 'content\n'))])
 
701
        builder.build_snapshot('2', ['1'], [
 
702
            ('modify', ('file-id', 'content-2\n'))])
 
703
        builder.finish_series()
 
704
        source = builder.get_branch()
 
705
        target = self.make_repository('target', format='2a')
 
706
        target.fetch(source.repository)
 
707
        target.lock_read()
 
708
        self.addCleanup(target.unlock)
 
709
        details = target.texts._index.get_build_details(
 
710
            [('file-id', '1',), ('file-id', '2',)])
 
711
        file_1_details = details[('file-id', '1')]
 
712
        file_2_details = details[('file-id', '2')]
 
713
        # The index, and what to read off disk, should be the same for both
 
714
        # versions of the file.
 
715
        self.assertEqual(file_1_details[0][:3], file_2_details[0][:3])
 
716
 
 
717
    def test_fetch_combines_groups(self):
 
718
        builder = self.make_branch_builder('source', format='2a')
 
719
        builder.start_series()
 
720
        builder.build_snapshot('1', None, [
 
721
            ('add', ('', 'root-id', 'directory', '')),
 
722
            ('add', ('file', 'file-id', 'file', 'content\n'))])
 
723
        builder.build_snapshot('2', ['1'], [
 
724
            ('modify', ('file-id', 'content-2\n'))])
 
725
        builder.finish_series()
 
726
        source = builder.get_branch()
 
727
        target = self.make_repository('target', format='2a')
 
728
        target.fetch(source.repository)
 
729
        target.lock_read()
 
730
        self.addCleanup(target.unlock)
 
731
        details = target.texts._index.get_build_details(
 
732
            [('file-id', '1',), ('file-id', '2',)])
 
733
        file_1_details = details[('file-id', '1')]
 
734
        file_2_details = details[('file-id', '2')]
 
735
        # The index, and what to read off disk, should be the same for both
 
736
        # versions of the file.
 
737
        self.assertEqual(file_1_details[0][:3], file_2_details[0][:3])
 
738
 
 
739
    def test_fetch_combines_groups(self):
 
740
        builder = self.make_branch_builder('source', format='2a')
 
741
        builder.start_series()
 
742
        builder.build_snapshot('1', None, [
 
743
            ('add', ('', 'root-id', 'directory', '')),
 
744
            ('add', ('file', 'file-id', 'file', 'content\n'))])
 
745
        builder.build_snapshot('2', ['1'], [
 
746
            ('modify', ('file-id', 'content-2\n'))])
 
747
        builder.finish_series()
 
748
        source = builder.get_branch()
 
749
        target = self.make_repository('target', format='2a')
 
750
        target.fetch(source.repository)
 
751
        target.lock_read()
 
752
        self.addCleanup(target.unlock)
 
753
        details = target.texts._index.get_build_details(
 
754
            [('file-id', '1',), ('file-id', '2',)])
 
755
        file_1_details = details[('file-id', '1')]
 
756
        file_2_details = details[('file-id', '2')]
 
757
        # The index, and what to read off disk, should be the same for both
 
758
        # versions of the file.
 
759
        self.assertEqual(file_1_details[0][:3], file_2_details[0][:3])
 
760
 
 
761
    def test_format_pack_compresses_True(self):
 
762
        repo = self.make_repository('repo', format='2a')
 
763
        self.assertTrue(repo._format.pack_compresses)
 
764
 
 
765
    def test_inventories_use_chk_map_with_parent_base_dict(self):
 
766
        tree = self.make_branch_and_memory_tree('repo', format="2a")
 
767
        tree.lock_write()
 
768
        tree.add([''], ['TREE_ROOT'])
 
769
        revid = tree.commit("foo")
 
770
        tree.unlock()
 
771
        tree.lock_read()
 
772
        self.addCleanup(tree.unlock)
 
773
        inv = tree.branch.repository.get_inventory(revid)
 
774
        self.assertNotEqual(None, inv.parent_id_basename_to_file_id)
 
775
        inv.parent_id_basename_to_file_id._ensure_root()
 
776
        inv.id_to_entry._ensure_root()
 
777
        self.assertEqual(65536, inv.id_to_entry._root_node.maximum_size)
 
778
        self.assertEqual(65536,
 
779
            inv.parent_id_basename_to_file_id._root_node.maximum_size)
 
780
 
 
781
    def test_autopack_unchanged_chk_nodes(self):
 
782
        # at 20 unchanged commits, chk pages are packed that are split into
 
783
        # two groups such that the new pack being made doesn't have all its
 
784
        # pages in the source packs (though they are in the repository).
 
785
        # Use a memory backed repository, we don't need to hit disk for this
 
786
        tree = self.make_branch_and_memory_tree('tree', format='2a')
 
787
        tree.lock_write()
 
788
        self.addCleanup(tree.unlock)
 
789
        tree.add([''], ['TREE_ROOT'])
 
790
        for pos in range(20):
 
791
            tree.commit(str(pos))
 
792
 
 
793
    def test_pack_with_hint(self):
 
794
        tree = self.make_branch_and_memory_tree('tree', format='2a')
 
795
        tree.lock_write()
 
796
        self.addCleanup(tree.unlock)
 
797
        tree.add([''], ['TREE_ROOT'])
 
798
        # 1 commit to leave untouched
 
799
        tree.commit('1')
 
800
        to_keep = tree.branch.repository._pack_collection.names()
 
801
        # 2 to combine
 
802
        tree.commit('2')
 
803
        tree.commit('3')
 
804
        all = tree.branch.repository._pack_collection.names()
 
805
        combine = list(set(all) - set(to_keep))
 
806
        self.assertLength(3, all)
 
807
        self.assertLength(2, combine)
 
808
        tree.branch.repository.pack(hint=combine)
 
809
        final = tree.branch.repository._pack_collection.names()
 
810
        self.assertLength(2, final)
 
811
        self.assertFalse(combine[0] in final)
 
812
        self.assertFalse(combine[1] in final)
 
813
        self.assertSubset(to_keep, final)
 
814
 
 
815
    def test_stream_source_to_gc(self):
 
816
        source = self.make_repository('source', format='2a')
 
817
        target = self.make_repository('target', format='2a')
 
818
        stream = source._get_source(target._format)
 
819
        self.assertIsInstance(stream, groupcompress_repo.GroupCHKStreamSource)
 
820
 
 
821
    def test_stream_source_to_non_gc(self):
 
822
        source = self.make_repository('source', format='2a')
 
823
        target = self.make_repository('target', format='rich-root-pack')
 
824
        stream = source._get_source(target._format)
 
825
        # We don't want the child GroupCHKStreamSource
 
826
        self.assertIs(type(stream), repository.StreamSource)
 
827
 
 
828
    def test_get_stream_for_missing_keys_includes_all_chk_refs(self):
 
829
        source_builder = self.make_branch_builder('source',
 
830
                            format='2a')
 
831
        # We have to build a fairly large tree, so that we are sure the chk
 
832
        # pages will have split into multiple pages.
 
833
        entries = [('add', ('', 'a-root-id', 'directory', None))]
 
834
        for i in 'abcdefghijklmnopqrstuvwxyz123456789':
 
835
            for j in 'abcdefghijklmnopqrstuvwxyz123456789':
 
836
                fname = i + j
 
837
                fid = fname + '-id'
 
838
                content = 'content for %s\n' % (fname,)
 
839
                entries.append(('add', (fname, fid, 'file', content)))
 
840
        source_builder.start_series()
 
841
        source_builder.build_snapshot('rev-1', None, entries)
 
842
        # Now change a few of them, so we get a few new pages for the second
 
843
        # revision
 
844
        source_builder.build_snapshot('rev-2', ['rev-1'], [
 
845
            ('modify', ('aa-id', 'new content for aa-id\n')),
 
846
            ('modify', ('cc-id', 'new content for cc-id\n')),
 
847
            ('modify', ('zz-id', 'new content for zz-id\n')),
 
848
            ])
 
849
        source_builder.finish_series()
 
850
        source_branch = source_builder.get_branch()
 
851
        source_branch.lock_read()
 
852
        self.addCleanup(source_branch.unlock)
 
853
        target = self.make_repository('target', format='2a')
 
854
        source = source_branch.repository._get_source(target._format)
 
855
        self.assertIsInstance(source, groupcompress_repo.GroupCHKStreamSource)
 
856
 
 
857
        # On a regular pass, getting the inventories and chk pages for rev-2
 
858
        # would only get the newly created chk pages
 
859
        search = graph.SearchResult(set(['rev-2']), set(['rev-1']), 1,
 
860
                                    set(['rev-2']))
 
861
        simple_chk_records = []
 
862
        for vf_name, substream in source.get_stream(search):
 
863
            if vf_name == 'chk_bytes':
 
864
                for record in substream:
 
865
                    simple_chk_records.append(record.key)
 
866
            else:
 
867
                for _ in substream:
 
868
                    continue
 
869
        # 3 pages, the root (InternalNode), + 2 pages which actually changed
 
870
        self.assertEqual([('sha1:91481f539e802c76542ea5e4c83ad416bf219f73',),
 
871
                          ('sha1:4ff91971043668583985aec83f4f0ab10a907d3f',),
 
872
                          ('sha1:81e7324507c5ca132eedaf2d8414ee4bb2226187',),
 
873
                          ('sha1:b101b7da280596c71a4540e9a1eeba8045985ee0',)],
 
874
                         simple_chk_records)
 
875
        # Now, when we do a similar call using 'get_stream_for_missing_keys'
 
876
        # we should get a much larger set of pages.
 
877
        missing = [('inventories', 'rev-2')]
 
878
        full_chk_records = []
 
879
        for vf_name, substream in source.get_stream_for_missing_keys(missing):
 
880
            if vf_name == 'inventories':
 
881
                for record in substream:
 
882
                    self.assertEqual(('rev-2',), record.key)
 
883
            elif vf_name == 'chk_bytes':
 
884
                for record in substream:
 
885
                    full_chk_records.append(record.key)
 
886
            else:
 
887
                self.fail('Should not be getting a stream of %s' % (vf_name,))
 
888
        # We have 257 records now. This is because we have 1 root page, and 256
 
889
        # leaf pages in a complete listing.
 
890
        self.assertEqual(257, len(full_chk_records))
 
891
        self.assertSubset(simple_chk_records, full_chk_records)
 
892
 
 
893
    def test_inconsistency_fatal(self):
 
894
        repo = self.make_repository('repo', format='2a')
 
895
        self.assertTrue(repo.revisions._index._inconsistency_fatal)
 
896
        self.assertFalse(repo.texts._index._inconsistency_fatal)
 
897
        self.assertFalse(repo.inventories._index._inconsistency_fatal)
 
898
        self.assertFalse(repo.signatures._index._inconsistency_fatal)
 
899
        self.assertFalse(repo.chk_bytes._index._inconsistency_fatal)
 
900
 
 
901
 
 
902
class TestKnitPackStreamSource(tests.TestCaseWithMemoryTransport):
 
903
 
 
904
    def test_source_to_exact_pack_092(self):
 
905
        source = self.make_repository('source', format='pack-0.92')
 
906
        target = self.make_repository('target', format='pack-0.92')
 
907
        stream_source = source._get_source(target._format)
 
908
        self.assertIsInstance(stream_source, pack_repo.KnitPackStreamSource)
 
909
 
 
910
    def test_source_to_exact_pack_rich_root_pack(self):
 
911
        source = self.make_repository('source', format='rich-root-pack')
 
912
        target = self.make_repository('target', format='rich-root-pack')
 
913
        stream_source = source._get_source(target._format)
 
914
        self.assertIsInstance(stream_source, pack_repo.KnitPackStreamSource)
 
915
 
 
916
    def test_source_to_exact_pack_19(self):
 
917
        source = self.make_repository('source', format='1.9')
 
918
        target = self.make_repository('target', format='1.9')
 
919
        stream_source = source._get_source(target._format)
 
920
        self.assertIsInstance(stream_source, pack_repo.KnitPackStreamSource)
 
921
 
 
922
    def test_source_to_exact_pack_19_rich_root(self):
 
923
        source = self.make_repository('source', format='1.9-rich-root')
 
924
        target = self.make_repository('target', format='1.9-rich-root')
 
925
        stream_source = source._get_source(target._format)
 
926
        self.assertIsInstance(stream_source, pack_repo.KnitPackStreamSource)
 
927
 
 
928
    def test_source_to_remote_exact_pack_19(self):
 
929
        trans = self.make_smart_server('target')
 
930
        trans.ensure_base()
 
931
        source = self.make_repository('source', format='1.9')
 
932
        target = self.make_repository('target', format='1.9')
 
933
        target = repository.Repository.open(trans.base)
 
934
        stream_source = source._get_source(target._format)
 
935
        self.assertIsInstance(stream_source, pack_repo.KnitPackStreamSource)
 
936
 
 
937
    def test_stream_source_to_non_exact(self):
 
938
        source = self.make_repository('source', format='pack-0.92')
 
939
        target = self.make_repository('target', format='1.9')
 
940
        stream = source._get_source(target._format)
 
941
        self.assertIs(type(stream), repository.StreamSource)
 
942
 
 
943
    def test_stream_source_to_non_exact_rich_root(self):
 
944
        source = self.make_repository('source', format='1.9')
 
945
        target = self.make_repository('target', format='1.9-rich-root')
 
946
        stream = source._get_source(target._format)
 
947
        self.assertIs(type(stream), repository.StreamSource)
 
948
 
 
949
    def test_source_to_remote_non_exact_pack_19(self):
 
950
        trans = self.make_smart_server('target')
 
951
        trans.ensure_base()
 
952
        source = self.make_repository('source', format='1.9')
 
953
        target = self.make_repository('target', format='1.6')
 
954
        target = repository.Repository.open(trans.base)
 
955
        stream_source = source._get_source(target._format)
 
956
        self.assertIs(type(stream_source), repository.StreamSource)
 
957
 
 
958
    def test_stream_source_to_knit(self):
 
959
        source = self.make_repository('source', format='pack-0.92')
 
960
        target = self.make_repository('target', format='dirstate')
 
961
        stream = source._get_source(target._format)
 
962
        self.assertIs(type(stream), repository.StreamSource)
 
963
 
 
964
 
 
965
class TestDevelopment6FindParentIdsOfRevisions(TestCaseWithTransport):
 
966
    """Tests for _find_parent_ids_of_revisions."""
 
967
 
 
968
    def setUp(self):
 
969
        super(TestDevelopment6FindParentIdsOfRevisions, self).setUp()
 
970
        self.builder = self.make_branch_builder('source',
 
971
            format='development6-rich-root')
 
972
        self.builder.start_series()
 
973
        self.builder.build_snapshot('initial', None,
 
974
            [('add', ('', 'tree-root', 'directory', None))])
 
975
        self.repo = self.builder.get_branch().repository
 
976
        self.addCleanup(self.builder.finish_series)
 
977
 
 
978
    def assertParentIds(self, expected_result, rev_set):
 
979
        self.assertEqual(sorted(expected_result),
 
980
            sorted(self.repo._find_parent_ids_of_revisions(rev_set)))
 
981
 
 
982
    def test_simple(self):
 
983
        self.builder.build_snapshot('revid1', None, [])
 
984
        self.builder.build_snapshot('revid2', ['revid1'], [])
 
985
        rev_set = ['revid2']
 
986
        self.assertParentIds(['revid1'], rev_set)
 
987
 
 
988
    def test_not_first_parent(self):
 
989
        self.builder.build_snapshot('revid1', None, [])
 
990
        self.builder.build_snapshot('revid2', ['revid1'], [])
 
991
        self.builder.build_snapshot('revid3', ['revid2'], [])
 
992
        rev_set = ['revid3', 'revid2']
 
993
        self.assertParentIds(['revid1'], rev_set)
 
994
 
 
995
    def test_not_null(self):
 
996
        rev_set = ['initial']
 
997
        self.assertParentIds([], rev_set)
 
998
 
 
999
    def test_not_null_set(self):
 
1000
        self.builder.build_snapshot('revid1', None, [])
 
1001
        rev_set = [_mod_revision.NULL_REVISION]
 
1002
        self.assertParentIds([], rev_set)
 
1003
 
 
1004
    def test_ghost(self):
 
1005
        self.builder.build_snapshot('revid1', None, [])
 
1006
        rev_set = ['ghost', 'revid1']
 
1007
        self.assertParentIds(['initial'], rev_set)
 
1008
 
 
1009
    def test_ghost_parent(self):
 
1010
        self.builder.build_snapshot('revid1', None, [])
 
1011
        self.builder.build_snapshot('revid2', ['revid1', 'ghost'], [])
 
1012
        rev_set = ['revid2', 'revid1']
 
1013
        self.assertParentIds(['ghost', 'initial'], rev_set)
 
1014
 
 
1015
    def test_righthand_parent(self):
 
1016
        self.builder.build_snapshot('revid1', None, [])
 
1017
        self.builder.build_snapshot('revid2a', ['revid1'], [])
 
1018
        self.builder.build_snapshot('revid2b', ['revid1'], [])
 
1019
        self.builder.build_snapshot('revid3', ['revid2a', 'revid2b'], [])
 
1020
        rev_set = ['revid3', 'revid2a']
 
1021
        self.assertParentIds(['revid1', 'revid2b'], rev_set)
 
1022
 
 
1023
 
 
1024
class TestWithBrokenRepo(TestCaseWithTransport):
 
1025
    """These tests seem to be more appropriate as interface tests?"""
 
1026
 
 
1027
    def make_broken_repository(self):
 
1028
        # XXX: This function is borrowed from Aaron's "Reconcile can fix bad
 
1029
        # parent references" branch which is due to land in bzr.dev soon.  Once
 
1030
        # it does, this duplication should be removed.
 
1031
        repo = self.make_repository('broken-repo')
 
1032
        cleanups = []
 
1033
        try:
 
1034
            repo.lock_write()
 
1035
            cleanups.append(repo.unlock)
 
1036
            repo.start_write_group()
 
1037
            cleanups.append(repo.commit_write_group)
 
1038
            # make rev1a: A well-formed revision, containing 'file1'
 
1039
            inv = inventory.Inventory(revision_id='rev1a')
 
1040
            inv.root.revision = 'rev1a'
 
1041
            self.add_file(repo, inv, 'file1', 'rev1a', [])
 
1042
            repo.texts.add_lines((inv.root.file_id, 'rev1a'), [], [])
 
1043
            repo.add_inventory('rev1a', inv, [])
 
1044
            revision = _mod_revision.Revision('rev1a',
 
1045
                committer='jrandom@example.com', timestamp=0,
 
1046
                inventory_sha1='', timezone=0, message='foo', parent_ids=[])
 
1047
            repo.add_revision('rev1a',revision, inv)
 
1048
 
 
1049
            # make rev1b, which has no Revision, but has an Inventory, and
 
1050
            # file1
 
1051
            inv = inventory.Inventory(revision_id='rev1b')
 
1052
            inv.root.revision = 'rev1b'
 
1053
            self.add_file(repo, inv, 'file1', 'rev1b', [])
 
1054
            repo.add_inventory('rev1b', inv, [])
 
1055
 
 
1056
            # make rev2, with file1 and file2
 
1057
            # file2 is sane
 
1058
            # file1 has 'rev1b' as an ancestor, even though this is not
 
1059
            # mentioned by 'rev1a', making it an unreferenced ancestor
 
1060
            inv = inventory.Inventory()
 
1061
            self.add_file(repo, inv, 'file1', 'rev2', ['rev1a', 'rev1b'])
 
1062
            self.add_file(repo, inv, 'file2', 'rev2', [])
 
1063
            self.add_revision(repo, 'rev2', inv, ['rev1a'])
 
1064
 
 
1065
            # make ghost revision rev1c
 
1066
            inv = inventory.Inventory()
 
1067
            self.add_file(repo, inv, 'file2', 'rev1c', [])
 
1068
 
 
1069
            # make rev3 with file2
 
1070
            # file2 refers to 'rev1c', which is a ghost in this repository, so
 
1071
            # file2 cannot have rev1c as its ancestor.
 
1072
            inv = inventory.Inventory()
 
1073
            self.add_file(repo, inv, 'file2', 'rev3', ['rev1c'])
 
1074
            self.add_revision(repo, 'rev3', inv, ['rev1c'])
 
1075
            return repo
 
1076
        finally:
 
1077
            for cleanup in reversed(cleanups):
 
1078
                cleanup()
 
1079
 
 
1080
    def add_revision(self, repo, revision_id, inv, parent_ids):
 
1081
        inv.revision_id = revision_id
 
1082
        inv.root.revision = revision_id
 
1083
        repo.texts.add_lines((inv.root.file_id, revision_id), [], [])
 
1084
        repo.add_inventory(revision_id, inv, parent_ids)
 
1085
        revision = _mod_revision.Revision(revision_id,
 
1086
            committer='jrandom@example.com', timestamp=0, inventory_sha1='',
 
1087
            timezone=0, message='foo', parent_ids=parent_ids)
 
1088
        repo.add_revision(revision_id,revision, inv)
 
1089
 
 
1090
    def add_file(self, repo, inv, filename, revision, parents):
 
1091
        file_id = filename + '-id'
 
1092
        entry = inventory.InventoryFile(file_id, filename, 'TREE_ROOT')
 
1093
        entry.revision = revision
 
1094
        entry.text_size = 0
 
1095
        inv.add(entry)
 
1096
        text_key = (file_id, revision)
 
1097
        parent_keys = [(file_id, parent) for parent in parents]
 
1098
        repo.texts.add_lines(text_key, parent_keys, ['line\n'])
 
1099
 
 
1100
    def test_insert_from_broken_repo(self):
 
1101
        """Inserting a data stream from a broken repository won't silently
 
1102
        corrupt the target repository.
 
1103
        """
 
1104
        broken_repo = self.make_broken_repository()
 
1105
        empty_repo = self.make_repository('empty-repo')
 
1106
        try:
 
1107
            empty_repo.fetch(broken_repo)
 
1108
        except (errors.RevisionNotPresent, errors.BzrCheckError):
 
1109
            # Test successful: compression parent not being copied leads to
 
1110
            # error.
 
1111
            return
 
1112
        empty_repo.lock_read()
 
1113
        self.addCleanup(empty_repo.unlock)
 
1114
        text = empty_repo.texts.get_record_stream(
 
1115
            [('file2-id', 'rev3')], 'topological', True).next()
 
1116
        self.assertEqual('line\n', text.get_bytes_as('fulltext'))
 
1117
 
 
1118
 
 
1119
class TestRepositoryPackCollection(TestCaseWithTransport):
 
1120
 
 
1121
    def get_format(self):
 
1122
        return bzrdir.format_registry.make_bzrdir('pack-0.92')
 
1123
 
 
1124
    def get_packs(self):
 
1125
        format = self.get_format()
 
1126
        repo = self.make_repository('.', format=format)
 
1127
        return repo._pack_collection
 
1128
 
 
1129
    def make_packs_and_alt_repo(self, write_lock=False):
 
1130
        """Create a pack repo with 3 packs, and access it via a second repo."""
 
1131
        tree = self.make_branch_and_tree('.', format=self.get_format())
 
1132
        tree.lock_write()
 
1133
        self.addCleanup(tree.unlock)
 
1134
        rev1 = tree.commit('one')
 
1135
        rev2 = tree.commit('two')
 
1136
        rev3 = tree.commit('three')
 
1137
        r = repository.Repository.open('.')
 
1138
        if write_lock:
 
1139
            r.lock_write()
 
1140
        else:
 
1141
            r.lock_read()
 
1142
        self.addCleanup(r.unlock)
 
1143
        packs = r._pack_collection
 
1144
        packs.ensure_loaded()
 
1145
        return tree, r, packs, [rev1, rev2, rev3]
 
1146
 
 
1147
    def test__clear_obsolete_packs(self):
 
1148
        packs = self.get_packs()
 
1149
        obsolete_pack_trans = packs.transport.clone('obsolete_packs')
 
1150
        obsolete_pack_trans.put_bytes('a-pack.pack', 'content\n')
 
1151
        obsolete_pack_trans.put_bytes('a-pack.rix', 'content\n')
 
1152
        obsolete_pack_trans.put_bytes('a-pack.iix', 'content\n')
 
1153
        obsolete_pack_trans.put_bytes('another-pack.pack', 'foo\n')
 
1154
        obsolete_pack_trans.put_bytes('not-a-pack.rix', 'foo\n')
 
1155
        res = packs._clear_obsolete_packs()
 
1156
        self.assertEqual(['a-pack', 'another-pack'], sorted(res))
 
1157
        self.assertEqual([], obsolete_pack_trans.list_dir('.'))
 
1158
 
 
1159
    def test__clear_obsolete_packs_preserve(self):
 
1160
        packs = self.get_packs()
 
1161
        obsolete_pack_trans = packs.transport.clone('obsolete_packs')
 
1162
        obsolete_pack_trans.put_bytes('a-pack.pack', 'content\n')
 
1163
        obsolete_pack_trans.put_bytes('a-pack.rix', 'content\n')
 
1164
        obsolete_pack_trans.put_bytes('a-pack.iix', 'content\n')
 
1165
        obsolete_pack_trans.put_bytes('another-pack.pack', 'foo\n')
 
1166
        obsolete_pack_trans.put_bytes('not-a-pack.rix', 'foo\n')
 
1167
        res = packs._clear_obsolete_packs(preserve=set(['a-pack']))
 
1168
        self.assertEqual(['a-pack', 'another-pack'], sorted(res))
 
1169
        self.assertEqual(['a-pack.iix', 'a-pack.pack', 'a-pack.rix'],
 
1170
                         sorted(obsolete_pack_trans.list_dir('.')))
 
1171
 
 
1172
    def test__max_pack_count(self):
 
1173
        """The maximum pack count is a function of the number of revisions."""
 
1174
        # no revisions - one pack, so that we can have a revision free repo
 
1175
        # without it blowing up
 
1176
        packs = self.get_packs()
 
1177
        self.assertEqual(1, packs._max_pack_count(0))
 
1178
        # after that the sum of the digits, - check the first 1-9
 
1179
        self.assertEqual(1, packs._max_pack_count(1))
 
1180
        self.assertEqual(2, packs._max_pack_count(2))
 
1181
        self.assertEqual(3, packs._max_pack_count(3))
 
1182
        self.assertEqual(4, packs._max_pack_count(4))
 
1183
        self.assertEqual(5, packs._max_pack_count(5))
 
1184
        self.assertEqual(6, packs._max_pack_count(6))
 
1185
        self.assertEqual(7, packs._max_pack_count(7))
 
1186
        self.assertEqual(8, packs._max_pack_count(8))
 
1187
        self.assertEqual(9, packs._max_pack_count(9))
 
1188
        # check the boundary cases with two digits for the next decade
 
1189
        self.assertEqual(1, packs._max_pack_count(10))
 
1190
        self.assertEqual(2, packs._max_pack_count(11))
 
1191
        self.assertEqual(10, packs._max_pack_count(19))
 
1192
        self.assertEqual(2, packs._max_pack_count(20))
 
1193
        self.assertEqual(3, packs._max_pack_count(21))
 
1194
        # check some arbitrary big numbers
 
1195
        self.assertEqual(25, packs._max_pack_count(112894))
 
1196
 
 
1197
    def test_repr(self):
 
1198
        packs = self.get_packs()
 
1199
        self.assertContainsRe(repr(packs),
 
1200
            'RepositoryPackCollection(.*Repository(.*))')
 
1201
 
 
1202
    def test__obsolete_packs(self):
 
1203
        tree, r, packs, revs = self.make_packs_and_alt_repo(write_lock=True)
 
1204
        names = packs.names()
 
1205
        pack = packs.get_pack_by_name(names[0])
 
1206
        # Schedule this one for removal
 
1207
        packs._remove_pack_from_memory(pack)
 
1208
        # Simulate a concurrent update by renaming the .pack file and one of
 
1209
        # the indices
 
1210
        packs.transport.rename('packs/%s.pack' % (names[0],),
 
1211
                               'obsolete_packs/%s.pack' % (names[0],))
 
1212
        packs.transport.rename('indices/%s.iix' % (names[0],),
 
1213
                               'obsolete_packs/%s.iix' % (names[0],))
 
1214
        # Now trigger the obsoletion, and ensure that all the remaining files
 
1215
        # are still renamed
 
1216
        packs._obsolete_packs([pack])
 
1217
        self.assertEqual([n + '.pack' for n in names[1:]],
 
1218
                         sorted(packs._pack_transport.list_dir('.')))
 
1219
        # names[0] should not be present in the index anymore
 
1220
        self.assertEqual(names[1:],
 
1221
            sorted(set([osutils.splitext(n)[0] for n in
 
1222
                        packs._index_transport.list_dir('.')])))
 
1223
 
 
1224
    def test_pack_distribution_zero(self):
 
1225
        packs = self.get_packs()
 
1226
        self.assertEqual([0], packs.pack_distribution(0))
 
1227
 
 
1228
    def test_ensure_loaded_unlocked(self):
 
1229
        packs = self.get_packs()
 
1230
        self.assertRaises(errors.ObjectNotLocked,
 
1231
                          packs.ensure_loaded)
 
1232
 
 
1233
    def test_pack_distribution_one_to_nine(self):
 
1234
        packs = self.get_packs()
 
1235
        self.assertEqual([1],
 
1236
            packs.pack_distribution(1))
 
1237
        self.assertEqual([1, 1],
 
1238
            packs.pack_distribution(2))
 
1239
        self.assertEqual([1, 1, 1],
 
1240
            packs.pack_distribution(3))
 
1241
        self.assertEqual([1, 1, 1, 1],
 
1242
            packs.pack_distribution(4))
 
1243
        self.assertEqual([1, 1, 1, 1, 1],
 
1244
            packs.pack_distribution(5))
 
1245
        self.assertEqual([1, 1, 1, 1, 1, 1],
 
1246
            packs.pack_distribution(6))
 
1247
        self.assertEqual([1, 1, 1, 1, 1, 1, 1],
 
1248
            packs.pack_distribution(7))
 
1249
        self.assertEqual([1, 1, 1, 1, 1, 1, 1, 1],
 
1250
            packs.pack_distribution(8))
 
1251
        self.assertEqual([1, 1, 1, 1, 1, 1, 1, 1, 1],
 
1252
            packs.pack_distribution(9))
 
1253
 
 
1254
    def test_pack_distribution_stable_at_boundaries(self):
 
1255
        """When there are multi-rev packs the counts are stable."""
 
1256
        packs = self.get_packs()
 
1257
        # in 10s:
 
1258
        self.assertEqual([10], packs.pack_distribution(10))
 
1259
        self.assertEqual([10, 1], packs.pack_distribution(11))
 
1260
        self.assertEqual([10, 10], packs.pack_distribution(20))
 
1261
        self.assertEqual([10, 10, 1], packs.pack_distribution(21))
 
1262
        # 100s
 
1263
        self.assertEqual([100], packs.pack_distribution(100))
 
1264
        self.assertEqual([100, 1], packs.pack_distribution(101))
 
1265
        self.assertEqual([100, 10, 1], packs.pack_distribution(111))
 
1266
        self.assertEqual([100, 100], packs.pack_distribution(200))
 
1267
        self.assertEqual([100, 100, 1], packs.pack_distribution(201))
 
1268
        self.assertEqual([100, 100, 10, 1], packs.pack_distribution(211))
 
1269
 
 
1270
    def test_plan_pack_operations_2009_revisions_skip_all_packs(self):
 
1271
        packs = self.get_packs()
 
1272
        existing_packs = [(2000, "big"), (9, "medium")]
 
1273
        # rev count - 2009 -> 2x1000 + 9x1
 
1274
        pack_operations = packs.plan_autopack_combinations(
 
1275
            existing_packs, [1000, 1000, 1, 1, 1, 1, 1, 1, 1, 1, 1])
 
1276
        self.assertEqual([], pack_operations)
 
1277
 
 
1278
    def test_plan_pack_operations_2010_revisions_skip_all_packs(self):
 
1279
        packs = self.get_packs()
 
1280
        existing_packs = [(2000, "big"), (9, "medium"), (1, "single")]
 
1281
        # rev count - 2010 -> 2x1000 + 1x10
 
1282
        pack_operations = packs.plan_autopack_combinations(
 
1283
            existing_packs, [1000, 1000, 10])
 
1284
        self.assertEqual([], pack_operations)
 
1285
 
 
1286
    def test_plan_pack_operations_2010_combines_smallest_two(self):
 
1287
        packs = self.get_packs()
 
1288
        existing_packs = [(1999, "big"), (9, "medium"), (1, "single2"),
 
1289
            (1, "single1")]
 
1290
        # rev count - 2010 -> 2x1000 + 1x10 (3)
 
1291
        pack_operations = packs.plan_autopack_combinations(
 
1292
            existing_packs, [1000, 1000, 10])
 
1293
        self.assertEqual([[2, ["single2", "single1"]]], pack_operations)
 
1294
 
 
1295
    def test_plan_pack_operations_creates_a_single_op(self):
 
1296
        packs = self.get_packs()
 
1297
        existing_packs = [(50, 'a'), (40, 'b'), (30, 'c'), (10, 'd'),
 
1298
                          (10, 'e'), (6, 'f'), (4, 'g')]
 
1299
        # rev count 150 -> 1x100 and 5x10
 
1300
        # The two size 10 packs do not need to be touched. The 50, 40, 30 would
 
1301
        # be combined into a single 120 size pack, and the 6 & 4 would
 
1302
        # becombined into a size 10 pack. However, if we have to rewrite them,
 
1303
        # we save a pack file with no increased I/O by putting them into the
 
1304
        # same file.
 
1305
        distribution = packs.pack_distribution(150)
 
1306
        pack_operations = packs.plan_autopack_combinations(existing_packs,
 
1307
                                                           distribution)
 
1308
        self.assertEqual([[130, ['a', 'b', 'c', 'f', 'g']]], pack_operations)
 
1309
 
 
1310
    def test_all_packs_none(self):
 
1311
        format = self.get_format()
 
1312
        tree = self.make_branch_and_tree('.', format=format)
 
1313
        tree.lock_read()
 
1314
        self.addCleanup(tree.unlock)
 
1315
        packs = tree.branch.repository._pack_collection
 
1316
        packs.ensure_loaded()
 
1317
        self.assertEqual([], packs.all_packs())
 
1318
 
 
1319
    def test_all_packs_one(self):
 
1320
        format = self.get_format()
 
1321
        tree = self.make_branch_and_tree('.', format=format)
 
1322
        tree.commit('start')
 
1323
        tree.lock_read()
 
1324
        self.addCleanup(tree.unlock)
 
1325
        packs = tree.branch.repository._pack_collection
 
1326
        packs.ensure_loaded()
 
1327
        self.assertEqual([
 
1328
            packs.get_pack_by_name(packs.names()[0])],
 
1329
            packs.all_packs())
 
1330
 
 
1331
    def test_all_packs_two(self):
 
1332
        format = self.get_format()
 
1333
        tree = self.make_branch_and_tree('.', format=format)
 
1334
        tree.commit('start')
 
1335
        tree.commit('continue')
 
1336
        tree.lock_read()
 
1337
        self.addCleanup(tree.unlock)
 
1338
        packs = tree.branch.repository._pack_collection
 
1339
        packs.ensure_loaded()
 
1340
        self.assertEqual([
 
1341
            packs.get_pack_by_name(packs.names()[0]),
 
1342
            packs.get_pack_by_name(packs.names()[1]),
 
1343
            ], packs.all_packs())
 
1344
 
 
1345
    def test_get_pack_by_name(self):
 
1346
        format = self.get_format()
 
1347
        tree = self.make_branch_and_tree('.', format=format)
 
1348
        tree.commit('start')
 
1349
        tree.lock_read()
 
1350
        self.addCleanup(tree.unlock)
 
1351
        packs = tree.branch.repository._pack_collection
 
1352
        packs.reset()
 
1353
        packs.ensure_loaded()
 
1354
        name = packs.names()[0]
 
1355
        pack_1 = packs.get_pack_by_name(name)
 
1356
        # the pack should be correctly initialised
 
1357
        sizes = packs._names[name]
 
1358
        rev_index = GraphIndex(packs._index_transport, name + '.rix', sizes[0])
 
1359
        inv_index = GraphIndex(packs._index_transport, name + '.iix', sizes[1])
 
1360
        txt_index = GraphIndex(packs._index_transport, name + '.tix', sizes[2])
 
1361
        sig_index = GraphIndex(packs._index_transport, name + '.six', sizes[3])
 
1362
        self.assertEqual(pack_repo.ExistingPack(packs._pack_transport,
 
1363
            name, rev_index, inv_index, txt_index, sig_index), pack_1)
 
1364
        # and the same instance should be returned on successive calls.
 
1365
        self.assertTrue(pack_1 is packs.get_pack_by_name(name))
 
1366
 
 
1367
    def test_reload_pack_names_new_entry(self):
 
1368
        tree, r, packs, revs = self.make_packs_and_alt_repo()
 
1369
        names = packs.names()
 
1370
        # Add a new pack file into the repository
 
1371
        rev4 = tree.commit('four')
 
1372
        new_names = tree.branch.repository._pack_collection.names()
 
1373
        new_name = set(new_names).difference(names)
 
1374
        self.assertEqual(1, len(new_name))
 
1375
        new_name = new_name.pop()
 
1376
        # The old collection hasn't noticed yet
 
1377
        self.assertEqual(names, packs.names())
 
1378
        self.assertTrue(packs.reload_pack_names())
 
1379
        self.assertEqual(new_names, packs.names())
 
1380
        # And the repository can access the new revision
 
1381
        self.assertEqual({rev4:(revs[-1],)}, r.get_parent_map([rev4]))
 
1382
        self.assertFalse(packs.reload_pack_names())
 
1383
 
 
1384
    def test_reload_pack_names_added_and_removed(self):
 
1385
        tree, r, packs, revs = self.make_packs_and_alt_repo()
 
1386
        names = packs.names()
 
1387
        # Now repack the whole thing
 
1388
        tree.branch.repository.pack()
 
1389
        new_names = tree.branch.repository._pack_collection.names()
 
1390
        # The other collection hasn't noticed yet
 
1391
        self.assertEqual(names, packs.names())
 
1392
        self.assertTrue(packs.reload_pack_names())
 
1393
        self.assertEqual(new_names, packs.names())
 
1394
        self.assertEqual({revs[-1]:(revs[-2],)}, r.get_parent_map([revs[-1]]))
 
1395
        self.assertFalse(packs.reload_pack_names())
 
1396
 
 
1397
    def test_reload_pack_names_preserves_pending(self):
 
1398
        # TODO: Update this to also test for pending-deleted names
 
1399
        tree, r, packs, revs = self.make_packs_and_alt_repo(write_lock=True)
 
1400
        # We will add one pack (via start_write_group + insert_record_stream),
 
1401
        # and remove another pack (via _remove_pack_from_memory)
 
1402
        orig_names = packs.names()
 
1403
        orig_at_load = packs._packs_at_load
 
1404
        to_remove_name = iter(orig_names).next()
 
1405
        r.start_write_group()
 
1406
        self.addCleanup(r.abort_write_group)
 
1407
        r.texts.insert_record_stream([versionedfile.FulltextContentFactory(
 
1408
            ('text', 'rev'), (), None, 'content\n')])
 
1409
        new_pack = packs._new_pack
 
1410
        self.assertTrue(new_pack.data_inserted())
 
1411
        new_pack.finish()
 
1412
        packs.allocate(new_pack)
 
1413
        packs._new_pack = None
 
1414
        removed_pack = packs.get_pack_by_name(to_remove_name)
 
1415
        packs._remove_pack_from_memory(removed_pack)
 
1416
        names = packs.names()
 
1417
        all_nodes, deleted_nodes, new_nodes, _ = packs._diff_pack_names()
 
1418
        new_names = set([x[0][0] for x in new_nodes])
 
1419
        self.assertEqual(names, sorted([x[0][0] for x in all_nodes]))
 
1420
        self.assertEqual(set(names) - set(orig_names), new_names)
 
1421
        self.assertEqual(set([new_pack.name]), new_names)
 
1422
        self.assertEqual([to_remove_name],
 
1423
                         sorted([x[0][0] for x in deleted_nodes]))
 
1424
        packs.reload_pack_names()
 
1425
        reloaded_names = packs.names()
 
1426
        self.assertEqual(orig_at_load, packs._packs_at_load)
 
1427
        self.assertEqual(names, reloaded_names)
 
1428
        all_nodes, deleted_nodes, new_nodes, _ = packs._diff_pack_names()
 
1429
        new_names = set([x[0][0] for x in new_nodes])
 
1430
        self.assertEqual(names, sorted([x[0][0] for x in all_nodes]))
 
1431
        self.assertEqual(set(names) - set(orig_names), new_names)
 
1432
        self.assertEqual(set([new_pack.name]), new_names)
 
1433
        self.assertEqual([to_remove_name],
 
1434
                         sorted([x[0][0] for x in deleted_nodes]))
 
1435
 
 
1436
    def test_autopack_obsoletes_new_pack(self):
 
1437
        tree, r, packs, revs = self.make_packs_and_alt_repo(write_lock=True)
 
1438
        packs._max_pack_count = lambda x: 1
 
1439
        packs.pack_distribution = lambda x: [10]
 
1440
        r.start_write_group()
 
1441
        r.revisions.insert_record_stream([versionedfile.FulltextContentFactory(
 
1442
            ('bogus-rev',), (), None, 'bogus-content\n')])
 
1443
        # This should trigger an autopack, which will combine everything into a
 
1444
        # single pack file.
 
1445
        new_names = r.commit_write_group()
 
1446
        names = packs.names()
 
1447
        self.assertEqual(1, len(names))
 
1448
        self.assertEqual([names[0] + '.pack'],
 
1449
                         packs._pack_transport.list_dir('.'))
 
1450
 
 
1451
    def test_autopack_reloads_and_stops(self):
 
1452
        tree, r, packs, revs = self.make_packs_and_alt_repo(write_lock=True)
 
1453
        # After we have determined what needs to be autopacked, trigger a
 
1454
        # full-pack via the other repo which will cause us to re-evaluate and
 
1455
        # decide we don't need to do anything
 
1456
        orig_execute = packs._execute_pack_operations
 
1457
        def _munged_execute_pack_ops(*args, **kwargs):
 
1458
            tree.branch.repository.pack()
 
1459
            return orig_execute(*args, **kwargs)
 
1460
        packs._execute_pack_operations = _munged_execute_pack_ops
 
1461
        packs._max_pack_count = lambda x: 1
 
1462
        packs.pack_distribution = lambda x: [10]
 
1463
        self.assertFalse(packs.autopack())
 
1464
        self.assertEqual(1, len(packs.names()))
 
1465
        self.assertEqual(tree.branch.repository._pack_collection.names(),
 
1466
                         packs.names())
 
1467
 
 
1468
    def test__save_pack_names(self):
 
1469
        tree, r, packs, revs = self.make_packs_and_alt_repo(write_lock=True)
 
1470
        names = packs.names()
 
1471
        pack = packs.get_pack_by_name(names[0])
 
1472
        packs._remove_pack_from_memory(pack)
 
1473
        packs._save_pack_names(obsolete_packs=[pack])
 
1474
        cur_packs = packs._pack_transport.list_dir('.')
 
1475
        self.assertEqual([n + '.pack' for n in names[1:]], sorted(cur_packs))
 
1476
        # obsolete_packs will also have stuff like .rix and .iix present.
 
1477
        obsolete_packs = packs.transport.list_dir('obsolete_packs')
 
1478
        obsolete_names = set([osutils.splitext(n)[0] for n in obsolete_packs])
 
1479
        self.assertEqual([pack.name], sorted(obsolete_names))
 
1480
 
 
1481
    def test__save_pack_names_already_obsoleted(self):
 
1482
        tree, r, packs, revs = self.make_packs_and_alt_repo(write_lock=True)
 
1483
        names = packs.names()
 
1484
        pack = packs.get_pack_by_name(names[0])
 
1485
        packs._remove_pack_from_memory(pack)
 
1486
        # We are going to simulate a concurrent autopack by manually obsoleting
 
1487
        # the pack directly.
 
1488
        packs._obsolete_packs([pack])
 
1489
        packs._save_pack_names(clear_obsolete_packs=True,
 
1490
                               obsolete_packs=[pack])
 
1491
        cur_packs = packs._pack_transport.list_dir('.')
 
1492
        self.assertEqual([n + '.pack' for n in names[1:]], sorted(cur_packs))
 
1493
        # Note that while we set clear_obsolete_packs=True, it should not
 
1494
        # delete a pack file that we have also scheduled for obsoletion.
 
1495
        obsolete_packs = packs.transport.list_dir('obsolete_packs')
 
1496
        obsolete_names = set([osutils.splitext(n)[0] for n in obsolete_packs])
 
1497
        self.assertEqual([pack.name], sorted(obsolete_names))
 
1498
 
 
1499
 
 
1500
 
 
1501
class TestPack(TestCaseWithTransport):
 
1502
    """Tests for the Pack object."""
 
1503
 
 
1504
    def assertCurrentlyEqual(self, left, right):
 
1505
        self.assertTrue(left == right)
 
1506
        self.assertTrue(right == left)
 
1507
        self.assertFalse(left != right)
 
1508
        self.assertFalse(right != left)
 
1509
 
 
1510
    def assertCurrentlyNotEqual(self, left, right):
 
1511
        self.assertFalse(left == right)
 
1512
        self.assertFalse(right == left)
 
1513
        self.assertTrue(left != right)
 
1514
        self.assertTrue(right != left)
 
1515
 
 
1516
    def test___eq____ne__(self):
 
1517
        left = pack_repo.ExistingPack('', '', '', '', '', '')
 
1518
        right = pack_repo.ExistingPack('', '', '', '', '', '')
 
1519
        self.assertCurrentlyEqual(left, right)
 
1520
        # change all attributes and ensure equality changes as we do.
 
1521
        left.revision_index = 'a'
 
1522
        self.assertCurrentlyNotEqual(left, right)
 
1523
        right.revision_index = 'a'
 
1524
        self.assertCurrentlyEqual(left, right)
 
1525
        left.inventory_index = 'a'
 
1526
        self.assertCurrentlyNotEqual(left, right)
 
1527
        right.inventory_index = 'a'
 
1528
        self.assertCurrentlyEqual(left, right)
 
1529
        left.text_index = 'a'
 
1530
        self.assertCurrentlyNotEqual(left, right)
 
1531
        right.text_index = 'a'
 
1532
        self.assertCurrentlyEqual(left, right)
 
1533
        left.signature_index = 'a'
 
1534
        self.assertCurrentlyNotEqual(left, right)
 
1535
        right.signature_index = 'a'
 
1536
        self.assertCurrentlyEqual(left, right)
 
1537
        left.name = 'a'
 
1538
        self.assertCurrentlyNotEqual(left, right)
 
1539
        right.name = 'a'
 
1540
        self.assertCurrentlyEqual(left, right)
 
1541
        left.transport = 'a'
 
1542
        self.assertCurrentlyNotEqual(left, right)
 
1543
        right.transport = 'a'
 
1544
        self.assertCurrentlyEqual(left, right)
 
1545
 
 
1546
    def test_file_name(self):
 
1547
        pack = pack_repo.ExistingPack('', 'a_name', '', '', '', '')
 
1548
        self.assertEqual('a_name.pack', pack.file_name())
 
1549
 
 
1550
 
 
1551
class TestNewPack(TestCaseWithTransport):
 
1552
    """Tests for pack_repo.NewPack."""
 
1553
 
 
1554
    def test_new_instance_attributes(self):
 
1555
        upload_transport = self.get_transport('upload')
 
1556
        pack_transport = self.get_transport('pack')
 
1557
        index_transport = self.get_transport('index')
 
1558
        upload_transport.mkdir('.')
 
1559
        collection = pack_repo.RepositoryPackCollection(
 
1560
            repo=None,
 
1561
            transport=self.get_transport('.'),
 
1562
            index_transport=index_transport,
 
1563
            upload_transport=upload_transport,
 
1564
            pack_transport=pack_transport,
 
1565
            index_builder_class=BTreeBuilder,
 
1566
            index_class=BTreeGraphIndex,
 
1567
            use_chk_index=False)
 
1568
        pack = pack_repo.NewPack(collection)
 
1569
        self.addCleanup(pack.abort) # Make sure the write stream gets closed
 
1570
        self.assertIsInstance(pack.revision_index, BTreeBuilder)
 
1571
        self.assertIsInstance(pack.inventory_index, BTreeBuilder)
 
1572
        self.assertIsInstance(pack._hash, type(osutils.md5()))
 
1573
        self.assertTrue(pack.upload_transport is upload_transport)
 
1574
        self.assertTrue(pack.index_transport is index_transport)
 
1575
        self.assertTrue(pack.pack_transport is pack_transport)
 
1576
        self.assertEqual(None, pack.index_sizes)
 
1577
        self.assertEqual(20, len(pack.random_name))
 
1578
        self.assertIsInstance(pack.random_name, str)
 
1579
        self.assertIsInstance(pack.start_time, float)
 
1580
 
 
1581
 
 
1582
class TestPacker(TestCaseWithTransport):
 
1583
    """Tests for the packs repository Packer class."""
 
1584
 
 
1585
    def test_pack_optimizes_pack_order(self):
 
1586
        builder = self.make_branch_builder('.', format="1.9")
 
1587
        builder.start_series()
 
1588
        builder.build_snapshot('A', None, [
 
1589
            ('add', ('', 'root-id', 'directory', None)),
 
1590
            ('add', ('f', 'f-id', 'file', 'content\n'))])
 
1591
        builder.build_snapshot('B', ['A'],
 
1592
            [('modify', ('f-id', 'new-content\n'))])
 
1593
        builder.build_snapshot('C', ['B'],
 
1594
            [('modify', ('f-id', 'third-content\n'))])
 
1595
        builder.build_snapshot('D', ['C'],
 
1596
            [('modify', ('f-id', 'fourth-content\n'))])
 
1597
        b = builder.get_branch()
 
1598
        b.lock_read()
 
1599
        builder.finish_series()
 
1600
        self.addCleanup(b.unlock)
 
1601
        # At this point, we should have 4 pack files available
 
1602
        # Because of how they were built, they correspond to
 
1603
        # ['D', 'C', 'B', 'A']
 
1604
        packs = b.repository._pack_collection.packs
 
1605
        packer = pack_repo.Packer(b.repository._pack_collection,
 
1606
                                  packs, 'testing',
 
1607
                                  revision_ids=['B', 'C'])
 
1608
        # Now, when we are copying the B & C revisions, their pack files should
 
1609
        # be moved to the front of the stack
 
1610
        # The new ordering moves B & C to the front of the .packs attribute,
 
1611
        # and leaves the others in the original order.
 
1612
        new_packs = [packs[1], packs[2], packs[0], packs[3]]
 
1613
        new_pack = packer.pack()
 
1614
        self.assertEqual(new_packs, packer.packs)
 
1615
 
 
1616
 
 
1617
class TestOptimisingPacker(TestCaseWithTransport):
 
1618
    """Tests for the OptimisingPacker class."""
 
1619
 
 
1620
    def get_pack_collection(self):
 
1621
        repo = self.make_repository('.')
 
1622
        return repo._pack_collection
 
1623
 
 
1624
    def test_open_pack_will_optimise(self):
 
1625
        packer = pack_repo.OptimisingPacker(self.get_pack_collection(),
 
1626
                                            [], '.test')
 
1627
        new_pack = packer.open_pack()
 
1628
        self.addCleanup(new_pack.abort) # ensure cleanup
 
1629
        self.assertIsInstance(new_pack, pack_repo.NewPack)
 
1630
        self.assertTrue(new_pack.revision_index._optimize_for_size)
 
1631
        self.assertTrue(new_pack.inventory_index._optimize_for_size)
 
1632
        self.assertTrue(new_pack.text_index._optimize_for_size)
 
1633
        self.assertTrue(new_pack.signature_index._optimize_for_size)
 
1634
 
 
1635
 
 
1636
class TestCrossFormatPacks(TestCaseWithTransport):
 
1637
 
 
1638
    def log_pack(self, hint=None):
 
1639
        self.calls.append(('pack', hint))
 
1640
        self.orig_pack(hint=hint)
 
1641
        if self.expect_hint:
 
1642
            self.assertTrue(hint)
 
1643
 
 
1644
    def run_stream(self, src_fmt, target_fmt, expect_pack_called):
 
1645
        self.expect_hint = expect_pack_called
 
1646
        self.calls = []
 
1647
        source_tree = self.make_branch_and_tree('src', format=src_fmt)
 
1648
        source_tree.lock_write()
 
1649
        self.addCleanup(source_tree.unlock)
 
1650
        tip = source_tree.commit('foo')
 
1651
        target = self.make_repository('target', format=target_fmt)
 
1652
        target.lock_write()
 
1653
        self.addCleanup(target.unlock)
 
1654
        source = source_tree.branch.repository._get_source(target._format)
 
1655
        self.orig_pack = target.pack
 
1656
        target.pack = self.log_pack
 
1657
        search = target.search_missing_revision_ids(
 
1658
            source_tree.branch.repository, tip)
 
1659
        stream = source.get_stream(search)
 
1660
        from_format = source_tree.branch.repository._format
 
1661
        sink = target._get_sink()
 
1662
        sink.insert_stream(stream, from_format, [])
 
1663
        if expect_pack_called:
 
1664
            self.assertLength(1, self.calls)
 
1665
        else:
 
1666
            self.assertLength(0, self.calls)
 
1667
 
 
1668
    def run_fetch(self, src_fmt, target_fmt, expect_pack_called):
 
1669
        self.expect_hint = expect_pack_called
 
1670
        self.calls = []
 
1671
        source_tree = self.make_branch_and_tree('src', format=src_fmt)
 
1672
        source_tree.lock_write()
 
1673
        self.addCleanup(source_tree.unlock)
 
1674
        tip = source_tree.commit('foo')
 
1675
        target = self.make_repository('target', format=target_fmt)
 
1676
        target.lock_write()
 
1677
        self.addCleanup(target.unlock)
 
1678
        source = source_tree.branch.repository
 
1679
        self.orig_pack = target.pack
 
1680
        target.pack = self.log_pack
 
1681
        target.fetch(source)
 
1682
        if expect_pack_called:
 
1683
            self.assertLength(1, self.calls)
 
1684
        else:
 
1685
            self.assertLength(0, self.calls)
 
1686
 
 
1687
    def test_sink_format_hint_no(self):
 
1688
        # When the target format says packing makes no difference, pack is not
 
1689
        # called.
 
1690
        self.run_stream('1.9', 'rich-root-pack', False)
 
1691
 
 
1692
    def test_sink_format_hint_yes(self):
 
1693
        # When the target format says packing makes a difference, pack is
 
1694
        # called.
 
1695
        self.run_stream('1.9', '2a', True)
 
1696
 
 
1697
    def test_sink_format_same_no(self):
 
1698
        # When the formats are the same, pack is not called.
 
1699
        self.run_stream('2a', '2a', False)
 
1700
 
 
1701
    def test_IDS_format_hint_no(self):
 
1702
        # When the target format says packing makes no difference, pack is not
 
1703
        # called.
 
1704
        self.run_fetch('1.9', 'rich-root-pack', False)
 
1705
 
 
1706
    def test_IDS_format_hint_yes(self):
 
1707
        # When the target format says packing makes a difference, pack is
 
1708
        # called.
 
1709
        self.run_fetch('1.9', '2a', True)
 
1710
 
 
1711
    def test_IDS_format_same_no(self):
 
1712
        # When the formats are the same, pack is not called.
 
1713
        self.run_fetch('2a', '2a', False)