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  • Committer: Alexander Belchenko
  • Date: 2008-03-11 08:49:42 UTC
  • mto: This revision was merged to the branch mainline in revision 3268.
  • Revision ID: bialix@ukr.net-20080311084942-w1w0w3v0m20p2pbc
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1
# Copyright (C) 2006, 2007 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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 
16
 
 
17
"""Tests for the Repository facility that are not interface tests.
 
18
 
 
19
For interface tests see tests/repository_implementations/*.py.
 
20
 
 
21
For concrete class tests see this file, and for storage formats tests
 
22
also see this file.
 
23
"""
 
24
 
 
25
import md5
 
26
from stat import S_ISDIR
 
27
from StringIO import StringIO
 
28
 
 
29
import bzrlib
 
30
from bzrlib.errors import (NotBranchError,
 
31
                           NoSuchFile,
 
32
                           UnknownFormatError,
 
33
                           UnsupportedFormatError,
 
34
                           )
 
35
from bzrlib import graph
 
36
from bzrlib.index import GraphIndex, InMemoryGraphIndex
 
37
from bzrlib.repository import RepositoryFormat
 
38
from bzrlib.smart import server
 
39
from bzrlib.tests import (
 
40
    TestCase,
 
41
    TestCaseWithTransport,
 
42
    test_knit,
 
43
    )
 
44
from bzrlib.transport import get_transport
 
45
from bzrlib.transport.memory import MemoryServer
 
46
from bzrlib.util import bencode
 
47
from bzrlib import (
 
48
    bzrdir,
 
49
    errors,
 
50
    inventory,
 
51
    progress,
 
52
    repository,
 
53
    revision as _mod_revision,
 
54
    symbol_versioning,
 
55
    upgrade,
 
56
    workingtree,
 
57
    )
 
58
from bzrlib.repofmt import knitrepo, weaverepo, pack_repo
 
59
 
 
60
 
 
61
class TestDefaultFormat(TestCase):
 
62
 
 
63
    def test_get_set_default_format(self):
 
64
        old_default = bzrdir.format_registry.get('default')
 
65
        private_default = old_default().repository_format.__class__
 
66
        old_format = repository.RepositoryFormat.get_default_format()
 
67
        self.assertTrue(isinstance(old_format, private_default))
 
68
        def make_sample_bzrdir():
 
69
            my_bzrdir = bzrdir.BzrDirMetaFormat1()
 
70
            my_bzrdir.repository_format = SampleRepositoryFormat()
 
71
            return my_bzrdir
 
72
        bzrdir.format_registry.remove('default')
 
73
        bzrdir.format_registry.register('sample', make_sample_bzrdir, '')
 
74
        bzrdir.format_registry.set_default('sample')
 
75
        # creating a repository should now create an instrumented dir.
 
76
        try:
 
77
            # the default branch format is used by the meta dir format
 
78
            # which is not the default bzrdir format at this point
 
79
            dir = bzrdir.BzrDirMetaFormat1().initialize('memory:///')
 
80
            result = dir.create_repository()
 
81
            self.assertEqual(result, 'A bzr repository dir')
 
82
        finally:
 
83
            bzrdir.format_registry.remove('default')
 
84
            bzrdir.format_registry.remove('sample')
 
85
            bzrdir.format_registry.register('default', old_default, '')
 
86
        self.assertIsInstance(repository.RepositoryFormat.get_default_format(),
 
87
                              old_format.__class__)
 
88
 
 
89
 
 
90
class SampleRepositoryFormat(repository.RepositoryFormat):
 
91
    """A sample format
 
92
 
 
93
    this format is initializable, unsupported to aid in testing the 
 
94
    open and open(unsupported=True) routines.
 
95
    """
 
96
 
 
97
    def get_format_string(self):
 
98
        """See RepositoryFormat.get_format_string()."""
 
99
        return "Sample .bzr repository format."
 
100
 
 
101
    def initialize(self, a_bzrdir, shared=False):
 
102
        """Initialize a repository in a BzrDir"""
 
103
        t = a_bzrdir.get_repository_transport(self)
 
104
        t.put_bytes('format', self.get_format_string())
 
105
        return 'A bzr repository dir'
 
106
 
 
107
    def is_supported(self):
 
108
        return False
 
109
 
 
110
    def open(self, a_bzrdir, _found=False):
 
111
        return "opened repository."
 
112
 
 
113
 
 
114
class TestRepositoryFormat(TestCaseWithTransport):
 
115
    """Tests for the Repository format detection used by the bzr meta dir facility.BzrBranchFormat facility."""
 
116
 
 
117
    def test_find_format(self):
 
118
        # is the right format object found for a repository?
 
119
        # create a branch with a few known format objects.
 
120
        # this is not quite the same as 
 
121
        self.build_tree(["foo/", "bar/"])
 
122
        def check_format(format, url):
 
123
            dir = format._matchingbzrdir.initialize(url)
 
124
            format.initialize(dir)
 
125
            t = get_transport(url)
 
126
            found_format = repository.RepositoryFormat.find_format(dir)
 
127
            self.failUnless(isinstance(found_format, format.__class__))
 
128
        check_format(weaverepo.RepositoryFormat7(), "bar")
 
129
        
 
130
    def test_find_format_no_repository(self):
 
131
        dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
 
132
        self.assertRaises(errors.NoRepositoryPresent,
 
133
                          repository.RepositoryFormat.find_format,
 
134
                          dir)
 
135
 
 
136
    def test_find_format_unknown_format(self):
 
137
        dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
 
138
        SampleRepositoryFormat().initialize(dir)
 
139
        self.assertRaises(UnknownFormatError,
 
140
                          repository.RepositoryFormat.find_format,
 
141
                          dir)
 
142
 
 
143
    def test_register_unregister_format(self):
 
144
        format = SampleRepositoryFormat()
 
145
        # make a control dir
 
146
        dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
 
147
        # make a repo
 
148
        format.initialize(dir)
 
149
        # register a format for it.
 
150
        repository.RepositoryFormat.register_format(format)
 
151
        # which repository.Open will refuse (not supported)
 
152
        self.assertRaises(UnsupportedFormatError, repository.Repository.open, self.get_url())
 
153
        # but open(unsupported) will work
 
154
        self.assertEqual(format.open(dir), "opened repository.")
 
155
        # unregister the format
 
156
        repository.RepositoryFormat.unregister_format(format)
 
157
 
 
158
 
 
159
class TestFormat6(TestCaseWithTransport):
 
160
 
 
161
    def test_no_ancestry_weave(self):
 
162
        control = bzrdir.BzrDirFormat6().initialize(self.get_url())
 
163
        repo = weaverepo.RepositoryFormat6().initialize(control)
 
164
        # We no longer need to create the ancestry.weave file
 
165
        # since it is *never* used.
 
166
        self.assertRaises(NoSuchFile,
 
167
                          control.transport.get,
 
168
                          'ancestry.weave')
 
169
 
 
170
    def test_exposed_versioned_files_are_marked_dirty(self):
 
171
        control = bzrdir.BzrDirFormat6().initialize(self.get_url())
 
172
        repo = weaverepo.RepositoryFormat6().initialize(control)
 
173
        repo.lock_write()
 
174
        inv = repo.get_inventory_weave()
 
175
        repo.unlock()
 
176
        self.assertRaises(errors.OutSideTransaction,
 
177
            inv.add_lines, 'foo', [], [])
 
178
 
 
179
    def test_supports_external_lookups(self):
 
180
        control = bzrdir.BzrDirFormat6().initialize(self.get_url())
 
181
        repo = weaverepo.RepositoryFormat6().initialize(control)
 
182
        self.assertFalse(repo._format.supports_external_lookups)
 
183
 
 
184
 
 
185
class TestFormat7(TestCaseWithTransport):
 
186
    
 
187
    def test_disk_layout(self):
 
188
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
 
189
        repo = weaverepo.RepositoryFormat7().initialize(control)
 
190
        # in case of side effects of locking.
 
191
        repo.lock_write()
 
192
        repo.unlock()
 
193
        # we want:
 
194
        # format 'Bazaar-NG Repository format 7'
 
195
        # lock ''
 
196
        # inventory.weave == empty_weave
 
197
        # empty revision-store directory
 
198
        # empty weaves directory
 
199
        t = control.get_repository_transport(None)
 
200
        self.assertEqualDiff('Bazaar-NG Repository format 7',
 
201
                             t.get('format').read())
 
202
        self.assertTrue(S_ISDIR(t.stat('revision-store').st_mode))
 
203
        self.assertTrue(S_ISDIR(t.stat('weaves').st_mode))
 
204
        self.assertEqualDiff('# bzr weave file v5\n'
 
205
                             'w\n'
 
206
                             'W\n',
 
207
                             t.get('inventory.weave').read())
 
208
 
 
209
    def test_shared_disk_layout(self):
 
210
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
 
211
        repo = weaverepo.RepositoryFormat7().initialize(control, shared=True)
 
212
        # we want:
 
213
        # format 'Bazaar-NG Repository format 7'
 
214
        # inventory.weave == empty_weave
 
215
        # empty revision-store directory
 
216
        # empty weaves directory
 
217
        # a 'shared-storage' marker file.
 
218
        # lock is not present when unlocked
 
219
        t = control.get_repository_transport(None)
 
220
        self.assertEqualDiff('Bazaar-NG Repository format 7',
 
221
                             t.get('format').read())
 
222
        self.assertEqualDiff('', t.get('shared-storage').read())
 
223
        self.assertTrue(S_ISDIR(t.stat('revision-store').st_mode))
 
224
        self.assertTrue(S_ISDIR(t.stat('weaves').st_mode))
 
225
        self.assertEqualDiff('# bzr weave file v5\n'
 
226
                             'w\n'
 
227
                             'W\n',
 
228
                             t.get('inventory.weave').read())
 
229
        self.assertFalse(t.has('branch-lock'))
 
230
 
 
231
    def test_creates_lockdir(self):
 
232
        """Make sure it appears to be controlled by a LockDir existence"""
 
233
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
 
234
        repo = weaverepo.RepositoryFormat7().initialize(control, shared=True)
 
235
        t = control.get_repository_transport(None)
 
236
        # TODO: Should check there is a 'lock' toplevel directory, 
 
237
        # regardless of contents
 
238
        self.assertFalse(t.has('lock/held/info'))
 
239
        repo.lock_write()
 
240
        try:
 
241
            self.assertTrue(t.has('lock/held/info'))
 
242
        finally:
 
243
            # unlock so we don't get a warning about failing to do so
 
244
            repo.unlock()
 
245
 
 
246
    def test_uses_lockdir(self):
 
247
        """repo format 7 actually locks on lockdir"""
 
248
        base_url = self.get_url()
 
249
        control = bzrdir.BzrDirMetaFormat1().initialize(base_url)
 
250
        repo = weaverepo.RepositoryFormat7().initialize(control, shared=True)
 
251
        t = control.get_repository_transport(None)
 
252
        repo.lock_write()
 
253
        repo.unlock()
 
254
        del repo
 
255
        # make sure the same lock is created by opening it
 
256
        repo = repository.Repository.open(base_url)
 
257
        repo.lock_write()
 
258
        self.assertTrue(t.has('lock/held/info'))
 
259
        repo.unlock()
 
260
        self.assertFalse(t.has('lock/held/info'))
 
261
 
 
262
    def test_shared_no_tree_disk_layout(self):
 
263
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
 
264
        repo = weaverepo.RepositoryFormat7().initialize(control, shared=True)
 
265
        repo.set_make_working_trees(False)
 
266
        # we want:
 
267
        # format 'Bazaar-NG Repository format 7'
 
268
        # lock ''
 
269
        # inventory.weave == empty_weave
 
270
        # empty revision-store directory
 
271
        # empty weaves directory
 
272
        # a 'shared-storage' marker file.
 
273
        t = control.get_repository_transport(None)
 
274
        self.assertEqualDiff('Bazaar-NG Repository format 7',
 
275
                             t.get('format').read())
 
276
        ## self.assertEqualDiff('', t.get('lock').read())
 
277
        self.assertEqualDiff('', t.get('shared-storage').read())
 
278
        self.assertEqualDiff('', t.get('no-working-trees').read())
 
279
        repo.set_make_working_trees(True)
 
280
        self.assertFalse(t.has('no-working-trees'))
 
281
        self.assertTrue(S_ISDIR(t.stat('revision-store').st_mode))
 
282
        self.assertTrue(S_ISDIR(t.stat('weaves').st_mode))
 
283
        self.assertEqualDiff('# bzr weave file v5\n'
 
284
                             'w\n'
 
285
                             'W\n',
 
286
                             t.get('inventory.weave').read())
 
287
 
 
288
    def test_exposed_versioned_files_are_marked_dirty(self):
 
289
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
 
290
        repo = weaverepo.RepositoryFormat7().initialize(control)
 
291
        repo.lock_write()
 
292
        inv = repo.get_inventory_weave()
 
293
        repo.unlock()
 
294
        self.assertRaises(errors.OutSideTransaction,
 
295
            inv.add_lines, 'foo', [], [])
 
296
 
 
297
    def test_supports_external_lookups(self):
 
298
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
 
299
        repo = weaverepo.RepositoryFormat7().initialize(control)
 
300
        self.assertFalse(repo._format.supports_external_lookups)
 
301
 
 
302
 
 
303
class TestFormatKnit1(TestCaseWithTransport):
 
304
    
 
305
    def test_disk_layout(self):
 
306
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
 
307
        repo = knitrepo.RepositoryFormatKnit1().initialize(control)
 
308
        # in case of side effects of locking.
 
309
        repo.lock_write()
 
310
        repo.unlock()
 
311
        # we want:
 
312
        # format 'Bazaar-NG Knit Repository Format 1'
 
313
        # lock: is a directory
 
314
        # inventory.weave == empty_weave
 
315
        # empty revision-store directory
 
316
        # empty weaves directory
 
317
        t = control.get_repository_transport(None)
 
318
        self.assertEqualDiff('Bazaar-NG Knit Repository Format 1',
 
319
                             t.get('format').read())
 
320
        # XXX: no locks left when unlocked at the moment
 
321
        # self.assertEqualDiff('', t.get('lock').read())
 
322
        self.assertTrue(S_ISDIR(t.stat('knits').st_mode))
 
323
        self.check_knits(t)
 
324
 
 
325
    def assertHasKnit(self, t, knit_name):
 
326
        """Assert that knit_name exists on t."""
 
327
        self.assertEqualDiff('# bzr knit index 8\n',
 
328
                             t.get(knit_name + '.kndx').read())
 
329
        # no default content
 
330
        self.assertTrue(t.has(knit_name + '.knit'))
 
331
 
 
332
    def check_knits(self, t):
 
333
        """check knit content for a repository."""
 
334
        self.assertHasKnit(t, 'inventory')
 
335
        self.assertHasKnit(t, 'revisions')
 
336
        self.assertHasKnit(t, 'signatures')
 
337
 
 
338
    def test_shared_disk_layout(self):
 
339
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
 
340
        repo = knitrepo.RepositoryFormatKnit1().initialize(control, shared=True)
 
341
        # we want:
 
342
        # format 'Bazaar-NG Knit Repository Format 1'
 
343
        # lock: is a directory
 
344
        # inventory.weave == empty_weave
 
345
        # empty revision-store directory
 
346
        # empty weaves directory
 
347
        # a 'shared-storage' marker file.
 
348
        t = control.get_repository_transport(None)
 
349
        self.assertEqualDiff('Bazaar-NG Knit Repository Format 1',
 
350
                             t.get('format').read())
 
351
        # XXX: no locks left when unlocked at the moment
 
352
        # self.assertEqualDiff('', t.get('lock').read())
 
353
        self.assertEqualDiff('', t.get('shared-storage').read())
 
354
        self.assertTrue(S_ISDIR(t.stat('knits').st_mode))
 
355
        self.check_knits(t)
 
356
 
 
357
    def test_shared_no_tree_disk_layout(self):
 
358
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
 
359
        repo = knitrepo.RepositoryFormatKnit1().initialize(control, shared=True)
 
360
        repo.set_make_working_trees(False)
 
361
        # we want:
 
362
        # format 'Bazaar-NG Knit Repository Format 1'
 
363
        # lock ''
 
364
        # inventory.weave == empty_weave
 
365
        # empty revision-store directory
 
366
        # empty weaves directory
 
367
        # a 'shared-storage' marker file.
 
368
        t = control.get_repository_transport(None)
 
369
        self.assertEqualDiff('Bazaar-NG Knit Repository Format 1',
 
370
                             t.get('format').read())
 
371
        # XXX: no locks left when unlocked at the moment
 
372
        # self.assertEqualDiff('', t.get('lock').read())
 
373
        self.assertEqualDiff('', t.get('shared-storage').read())
 
374
        self.assertEqualDiff('', t.get('no-working-trees').read())
 
375
        repo.set_make_working_trees(True)
 
376
        self.assertFalse(t.has('no-working-trees'))
 
377
        self.assertTrue(S_ISDIR(t.stat('knits').st_mode))
 
378
        self.check_knits(t)
 
379
 
 
380
    def test_exposed_versioned_files_are_marked_dirty(self):
 
381
        format = bzrdir.BzrDirMetaFormat1()
 
382
        format.repository_format = knitrepo.RepositoryFormatKnit1()
 
383
        repo = self.make_repository('.', format=format)
 
384
        repo.lock_write()
 
385
        inv = repo.get_inventory_weave()
 
386
        repo.unlock()
 
387
        self.assertRaises(errors.OutSideTransaction,
 
388
            inv.add_lines, 'foo', [], [])
 
389
 
 
390
    def test_deserialise_sets_root_revision(self):
 
391
        """We must have a inventory.root.revision
 
392
 
 
393
        Old versions of the XML5 serializer did not set the revision_id for
 
394
        the whole inventory. So we grab the one from the expected text. Which
 
395
        is valid when the api is not being abused.
 
396
        """
 
397
        repo = self.make_repository('.',
 
398
                format=bzrdir.format_registry.get('knit')())
 
399
        inv_xml = '<inventory format="5">\n</inventory>\n'
 
400
        inv = repo.deserialise_inventory('test-rev-id', inv_xml)
 
401
        self.assertEqual('test-rev-id', inv.root.revision)
 
402
 
 
403
    def test_deserialise_uses_global_revision_id(self):
 
404
        """If it is set, then we re-use the global revision id"""
 
405
        repo = self.make_repository('.',
 
406
                format=bzrdir.format_registry.get('knit')())
 
407
        inv_xml = ('<inventory format="5" revision_id="other-rev-id">\n'
 
408
                   '</inventory>\n')
 
409
        # Arguably, the deserialise_inventory should detect a mismatch, and
 
410
        # raise an error, rather than silently using one revision_id over the
 
411
        # other.
 
412
        self.assertRaises(AssertionError, repo.deserialise_inventory,
 
413
            'test-rev-id', inv_xml)
 
414
        inv = repo.deserialise_inventory('other-rev-id', inv_xml)
 
415
        self.assertEqual('other-rev-id', inv.root.revision)
 
416
 
 
417
    def test_supports_external_lookups(self):
 
418
        repo = self.make_repository('.',
 
419
                format=bzrdir.format_registry.get('knit')())
 
420
        self.assertFalse(repo._format.supports_external_lookups)
 
421
 
 
422
 
 
423
class KnitRepositoryStreamTests(test_knit.KnitTests):
 
424
    """Tests for knitrepo._get_stream_as_bytes."""
 
425
 
 
426
    def test_get_stream_as_bytes(self):
 
427
        # Make a simple knit
 
428
        k1 = self.make_test_knit()
 
429
        k1.add_lines('text-a', [], test_knit.split_lines(test_knit.TEXT_1))
 
430
        
 
431
        # Serialise it, check the output.
 
432
        bytes = knitrepo._get_stream_as_bytes(k1, ['text-a'])
 
433
        data = bencode.bdecode(bytes)
 
434
        format, record = data
 
435
        self.assertEqual('knit-plain', format)
 
436
        self.assertEqual(['text-a', ['fulltext'], []], record[:3])
 
437
        self.assertRecordContentEqual(k1, 'text-a', record[3])
 
438
 
 
439
    def test_get_stream_as_bytes_all(self):
 
440
        """Get a serialised data stream for all the records in a knit.
 
441
 
 
442
        Much like test_get_stream_all, except for get_stream_as_bytes.
 
443
        """
 
444
        k1 = self.make_test_knit()
 
445
        # Insert the same data as BasicKnitTests.test_knit_join, as they seem
 
446
        # to cover a range of cases (no parents, one parent, multiple parents).
 
447
        test_data = [
 
448
            ('text-a', [], test_knit.TEXT_1),
 
449
            ('text-b', ['text-a'], test_knit.TEXT_1),
 
450
            ('text-c', [], test_knit.TEXT_1),
 
451
            ('text-d', ['text-c'], test_knit.TEXT_1),
 
452
            ('text-m', ['text-b', 'text-d'], test_knit.TEXT_1),
 
453
           ]
 
454
        # This test is actually a bit strict as the order in which they're
 
455
        # returned is not defined.  This matches the current (deterministic)
 
456
        # behaviour.
 
457
        expected_data_list = [
 
458
            # version, options, parents
 
459
            ('text-a', ['fulltext'], []),
 
460
            ('text-b', ['line-delta'], ['text-a']),
 
461
            ('text-m', ['line-delta'], ['text-b', 'text-d']),
 
462
            ('text-c', ['fulltext'], []),
 
463
            ('text-d', ['line-delta'], ['text-c']),
 
464
            ]
 
465
        for version_id, parents, lines in test_data:
 
466
            k1.add_lines(version_id, parents, test_knit.split_lines(lines))
 
467
 
 
468
        bytes = knitrepo._get_stream_as_bytes(
 
469
            k1, ['text-a', 'text-b', 'text-m', 'text-c', 'text-d', ])
 
470
 
 
471
        data = bencode.bdecode(bytes)
 
472
        format = data.pop(0)
 
473
        self.assertEqual('knit-plain', format)
 
474
 
 
475
        for expected, actual in zip(expected_data_list, data):
 
476
            expected_version = expected[0]
 
477
            expected_options = expected[1]
 
478
            expected_parents = expected[2]
 
479
            version, options, parents, bytes = actual
 
480
            self.assertEqual(expected_version, version)
 
481
            self.assertEqual(expected_options, options)
 
482
            self.assertEqual(expected_parents, parents)
 
483
            self.assertRecordContentEqual(k1, version, bytes)
 
484
 
 
485
 
 
486
class DummyRepository(object):
 
487
    """A dummy repository for testing."""
 
488
 
 
489
    _serializer = None
 
490
 
 
491
    def supports_rich_root(self):
 
492
        return False
 
493
 
 
494
 
 
495
class InterDummy(repository.InterRepository):
 
496
    """An inter-repository optimised code path for DummyRepository.
 
497
 
 
498
    This is for use during testing where we use DummyRepository as repositories
 
499
    so that none of the default regsitered inter-repository classes will
 
500
    MATCH.
 
501
    """
 
502
 
 
503
    @staticmethod
 
504
    def is_compatible(repo_source, repo_target):
 
505
        """InterDummy is compatible with DummyRepository."""
 
506
        return (isinstance(repo_source, DummyRepository) and 
 
507
            isinstance(repo_target, DummyRepository))
 
508
 
 
509
 
 
510
class TestInterRepository(TestCaseWithTransport):
 
511
 
 
512
    def test_get_default_inter_repository(self):
 
513
        # test that the InterRepository.get(repo_a, repo_b) probes
 
514
        # for a inter_repo class where is_compatible(repo_a, repo_b) returns
 
515
        # true and returns a default inter_repo otherwise.
 
516
        # This also tests that the default registered optimised interrepository
 
517
        # classes do not barf inappropriately when a surprising repository type
 
518
        # is handed to them.
 
519
        dummy_a = DummyRepository()
 
520
        dummy_b = DummyRepository()
 
521
        self.assertGetsDefaultInterRepository(dummy_a, dummy_b)
 
522
 
 
523
    def assertGetsDefaultInterRepository(self, repo_a, repo_b):
 
524
        """Asserts that InterRepository.get(repo_a, repo_b) -> the default.
 
525
        
 
526
        The effective default is now InterSameDataRepository because there is
 
527
        no actual sane default in the presence of incompatible data models.
 
528
        """
 
529
        inter_repo = repository.InterRepository.get(repo_a, repo_b)
 
530
        self.assertEqual(repository.InterSameDataRepository,
 
531
                         inter_repo.__class__)
 
532
        self.assertEqual(repo_a, inter_repo.source)
 
533
        self.assertEqual(repo_b, inter_repo.target)
 
534
 
 
535
    def test_register_inter_repository_class(self):
 
536
        # test that a optimised code path provider - a
 
537
        # InterRepository subclass can be registered and unregistered
 
538
        # and that it is correctly selected when given a repository
 
539
        # pair that it returns true on for the is_compatible static method
 
540
        # check
 
541
        dummy_a = DummyRepository()
 
542
        dummy_b = DummyRepository()
 
543
        repo = self.make_repository('.')
 
544
        # hack dummies to look like repo somewhat.
 
545
        dummy_a._serializer = repo._serializer
 
546
        dummy_b._serializer = repo._serializer
 
547
        repository.InterRepository.register_optimiser(InterDummy)
 
548
        try:
 
549
            # we should get the default for something InterDummy returns False
 
550
            # to
 
551
            self.assertFalse(InterDummy.is_compatible(dummy_a, repo))
 
552
            self.assertGetsDefaultInterRepository(dummy_a, repo)
 
553
            # and we should get an InterDummy for a pair it 'likes'
 
554
            self.assertTrue(InterDummy.is_compatible(dummy_a, dummy_b))
 
555
            inter_repo = repository.InterRepository.get(dummy_a, dummy_b)
 
556
            self.assertEqual(InterDummy, inter_repo.__class__)
 
557
            self.assertEqual(dummy_a, inter_repo.source)
 
558
            self.assertEqual(dummy_b, inter_repo.target)
 
559
        finally:
 
560
            repository.InterRepository.unregister_optimiser(InterDummy)
 
561
        # now we should get the default InterRepository object again.
 
562
        self.assertGetsDefaultInterRepository(dummy_a, dummy_b)
 
563
 
 
564
 
 
565
class TestInterWeaveRepo(TestCaseWithTransport):
 
566
 
 
567
    def test_is_compatible_and_registered(self):
 
568
        # InterWeaveRepo is compatible when either side
 
569
        # is a format 5/6/7 branch
 
570
        from bzrlib.repofmt import knitrepo, weaverepo
 
571
        formats = [weaverepo.RepositoryFormat5(),
 
572
                   weaverepo.RepositoryFormat6(),
 
573
                   weaverepo.RepositoryFormat7()]
 
574
        incompatible_formats = [weaverepo.RepositoryFormat4(),
 
575
                                knitrepo.RepositoryFormatKnit1(),
 
576
                                ]
 
577
        repo_a = self.make_repository('a')
 
578
        repo_b = self.make_repository('b')
 
579
        is_compatible = repository.InterWeaveRepo.is_compatible
 
580
        for source in incompatible_formats:
 
581
            # force incompatible left then right
 
582
            repo_a._format = source
 
583
            repo_b._format = formats[0]
 
584
            self.assertFalse(is_compatible(repo_a, repo_b))
 
585
            self.assertFalse(is_compatible(repo_b, repo_a))
 
586
        for source in formats:
 
587
            repo_a._format = source
 
588
            for target in formats:
 
589
                repo_b._format = target
 
590
                self.assertTrue(is_compatible(repo_a, repo_b))
 
591
        self.assertEqual(repository.InterWeaveRepo,
 
592
                         repository.InterRepository.get(repo_a,
 
593
                                                        repo_b).__class__)
 
594
 
 
595
 
 
596
class TestInterRemoteToOther(TestCaseWithTransport):
 
597
 
 
598
    def make_remote_repository(self, path, backing_format=None):
 
599
        """Make a RemoteRepository object backed by a real repository that will
 
600
        be created at the given path."""
 
601
        self.make_repository(path, format=backing_format)
 
602
        smart_server = server.SmartTCPServer_for_testing()
 
603
        smart_server.setUp()
 
604
        remote_transport = get_transport(smart_server.get_url()).clone(path)
 
605
        self.addCleanup(smart_server.tearDown)
 
606
        remote_bzrdir = bzrdir.BzrDir.open_from_transport(remote_transport)
 
607
        remote_repo = remote_bzrdir.open_repository()
 
608
        return remote_repo
 
609
 
 
610
    def test_is_compatible_same_format(self):
 
611
        """InterRemoteToOther is compatible with a remote repository and a
 
612
        second repository that have the same format."""
 
613
        local_repo = self.make_repository('local')
 
614
        remote_repo = self.make_remote_repository('remote')
 
615
        is_compatible = repository.InterRemoteToOther.is_compatible
 
616
        self.assertTrue(
 
617
            is_compatible(remote_repo, local_repo),
 
618
            "InterRemoteToOther(%r, %r) is false" % (remote_repo, local_repo))
 
619
          
 
620
    def test_is_incompatible_different_format(self):
 
621
        local_repo = self.make_repository('local', 'dirstate')
 
622
        remote_repo = self.make_remote_repository('a', 'dirstate-with-subtree')
 
623
        is_compatible = repository.InterRemoteToOther.is_compatible
 
624
        self.assertFalse(
 
625
            is_compatible(remote_repo, local_repo),
 
626
            "InterRemoteToOther(%r, %r) is true" % (local_repo, remote_repo))
 
627
 
 
628
    def test_is_incompatible_different_format_both_remote(self):
 
629
        remote_repo_a = self.make_remote_repository(
 
630
            'a', 'dirstate-with-subtree')
 
631
        remote_repo_b = self.make_remote_repository('b', 'dirstate')
 
632
        is_compatible = repository.InterRemoteToOther.is_compatible
 
633
        self.assertFalse(
 
634
            is_compatible(remote_repo_a, remote_repo_b),
 
635
            "InterRemoteToOther(%r, %r) is true"
 
636
            % (remote_repo_a, remote_repo_b))
 
637
 
 
638
 
 
639
class TestRepositoryConverter(TestCaseWithTransport):
 
640
 
 
641
    def test_convert_empty(self):
 
642
        t = get_transport(self.get_url('.'))
 
643
        t.mkdir('repository')
 
644
        repo_dir = bzrdir.BzrDirMetaFormat1().initialize('repository')
 
645
        repo = weaverepo.RepositoryFormat7().initialize(repo_dir)
 
646
        target_format = knitrepo.RepositoryFormatKnit1()
 
647
        converter = repository.CopyConverter(target_format)
 
648
        pb = bzrlib.ui.ui_factory.nested_progress_bar()
 
649
        try:
 
650
            converter.convert(repo, pb)
 
651
        finally:
 
652
            pb.finished()
 
653
        repo = repo_dir.open_repository()
 
654
        self.assertTrue(isinstance(target_format, repo._format.__class__))
 
655
 
 
656
 
 
657
class TestMisc(TestCase):
 
658
    
 
659
    def test_unescape_xml(self):
 
660
        """We get some kind of error when malformed entities are passed"""
 
661
        self.assertRaises(KeyError, repository._unescape_xml, 'foo&bar;') 
 
662
 
 
663
 
 
664
class TestRepositoryFormatKnit3(TestCaseWithTransport):
 
665
 
 
666
    def test_convert(self):
 
667
        """Ensure the upgrade adds weaves for roots"""
 
668
        format = bzrdir.BzrDirMetaFormat1()
 
669
        format.repository_format = knitrepo.RepositoryFormatKnit1()
 
670
        tree = self.make_branch_and_tree('.', format)
 
671
        tree.commit("Dull commit", rev_id="dull")
 
672
        revision_tree = tree.branch.repository.revision_tree('dull')
 
673
        self.assertRaises(errors.NoSuchFile, revision_tree.get_file_lines,
 
674
            revision_tree.inventory.root.file_id)
 
675
        format = bzrdir.BzrDirMetaFormat1()
 
676
        format.repository_format = knitrepo.RepositoryFormatKnit3()
 
677
        upgrade.Convert('.', format)
 
678
        tree = workingtree.WorkingTree.open('.')
 
679
        revision_tree = tree.branch.repository.revision_tree('dull')
 
680
        revision_tree.get_file_lines(revision_tree.inventory.root.file_id)
 
681
        tree.commit("Another dull commit", rev_id='dull2')
 
682
        revision_tree = tree.branch.repository.revision_tree('dull2')
 
683
        self.assertEqual('dull', revision_tree.inventory.root.revision)
 
684
 
 
685
    def test_exposed_versioned_files_are_marked_dirty(self):
 
686
        format = bzrdir.BzrDirMetaFormat1()
 
687
        format.repository_format = knitrepo.RepositoryFormatKnit3()
 
688
        repo = self.make_repository('.', format=format)
 
689
        repo.lock_write()
 
690
        inv = repo.get_inventory_weave()
 
691
        repo.unlock()
 
692
        self.assertRaises(errors.OutSideTransaction,
 
693
            inv.add_lines, 'foo', [], [])
 
694
 
 
695
    def test_supports_external_lookups(self):
 
696
        format = bzrdir.BzrDirMetaFormat1()
 
697
        format.repository_format = knitrepo.RepositoryFormatKnit3()
 
698
        repo = self.make_repository('.', format=format)
 
699
        self.assertFalse(repo._format.supports_external_lookups)
 
700
 
 
701
 
 
702
class TestWithBrokenRepo(TestCaseWithTransport):
 
703
    """These tests seem to be more appropriate as interface tests?"""
 
704
 
 
705
    def make_broken_repository(self):
 
706
        # XXX: This function is borrowed from Aaron's "Reconcile can fix bad
 
707
        # parent references" branch which is due to land in bzr.dev soon.  Once
 
708
        # it does, this duplication should be removed.
 
709
        repo = self.make_repository('broken-repo')
 
710
        cleanups = []
 
711
        try:
 
712
            repo.lock_write()
 
713
            cleanups.append(repo.unlock)
 
714
            repo.start_write_group()
 
715
            cleanups.append(repo.commit_write_group)
 
716
            # make rev1a: A well-formed revision, containing 'file1'
 
717
            inv = inventory.Inventory(revision_id='rev1a')
 
718
            inv.root.revision = 'rev1a'
 
719
            self.add_file(repo, inv, 'file1', 'rev1a', [])
 
720
            repo.add_inventory('rev1a', inv, [])
 
721
            revision = _mod_revision.Revision('rev1a',
 
722
                committer='jrandom@example.com', timestamp=0,
 
723
                inventory_sha1='', timezone=0, message='foo', parent_ids=[])
 
724
            repo.add_revision('rev1a',revision, inv)
 
725
 
 
726
            # make rev1b, which has no Revision, but has an Inventory, and
 
727
            # file1
 
728
            inv = inventory.Inventory(revision_id='rev1b')
 
729
            inv.root.revision = 'rev1b'
 
730
            self.add_file(repo, inv, 'file1', 'rev1b', [])
 
731
            repo.add_inventory('rev1b', inv, [])
 
732
 
 
733
            # make rev2, with file1 and file2
 
734
            # file2 is sane
 
735
            # file1 has 'rev1b' as an ancestor, even though this is not
 
736
            # mentioned by 'rev1a', making it an unreferenced ancestor
 
737
            inv = inventory.Inventory()
 
738
            self.add_file(repo, inv, 'file1', 'rev2', ['rev1a', 'rev1b'])
 
739
            self.add_file(repo, inv, 'file2', 'rev2', [])
 
740
            self.add_revision(repo, 'rev2', inv, ['rev1a'])
 
741
 
 
742
            # make ghost revision rev1c
 
743
            inv = inventory.Inventory()
 
744
            self.add_file(repo, inv, 'file2', 'rev1c', [])
 
745
 
 
746
            # make rev3 with file2
 
747
            # file2 refers to 'rev1c', which is a ghost in this repository, so
 
748
            # file2 cannot have rev1c as its ancestor.
 
749
            inv = inventory.Inventory()
 
750
            self.add_file(repo, inv, 'file2', 'rev3', ['rev1c'])
 
751
            self.add_revision(repo, 'rev3', inv, ['rev1c'])
 
752
            return repo
 
753
        finally:
 
754
            for cleanup in reversed(cleanups):
 
755
                cleanup()
 
756
 
 
757
    def add_revision(self, repo, revision_id, inv, parent_ids):
 
758
        inv.revision_id = revision_id
 
759
        inv.root.revision = revision_id
 
760
        repo.add_inventory(revision_id, inv, parent_ids)
 
761
        revision = _mod_revision.Revision(revision_id,
 
762
            committer='jrandom@example.com', timestamp=0, inventory_sha1='',
 
763
            timezone=0, message='foo', parent_ids=parent_ids)
 
764
        repo.add_revision(revision_id,revision, inv)
 
765
 
 
766
    def add_file(self, repo, inv, filename, revision, parents):
 
767
        file_id = filename + '-id'
 
768
        entry = inventory.InventoryFile(file_id, filename, 'TREE_ROOT')
 
769
        entry.revision = revision
 
770
        entry.text_size = 0
 
771
        inv.add(entry)
 
772
        vf = repo.weave_store.get_weave_or_empty(file_id,
 
773
                                                 repo.get_transaction())
 
774
        vf.add_lines(revision, parents, ['line\n'])
 
775
 
 
776
    def test_insert_from_broken_repo(self):
 
777
        """Inserting a data stream from a broken repository won't silently
 
778
        corrupt the target repository.
 
779
        """
 
780
        broken_repo = self.make_broken_repository()
 
781
        empty_repo = self.make_repository('empty-repo')
 
782
        search = graph.SearchResult(set(['rev1a', 'rev2', 'rev3']),
 
783
            set(), 3, ['rev1a', 'rev2', 'rev3'])
 
784
        stream = broken_repo.get_data_stream_for_search(search)
 
785
        empty_repo.lock_write()
 
786
        self.addCleanup(empty_repo.unlock)
 
787
        empty_repo.start_write_group()
 
788
        try:
 
789
            self.assertRaises(
 
790
                errors.KnitCorrupt, empty_repo.insert_data_stream, stream)
 
791
        finally:
 
792
            empty_repo.abort_write_group()
 
793
 
 
794
 
 
795
class TestKnitPackNoSubtrees(TestCaseWithTransport):
 
796
 
 
797
    def get_format(self):
 
798
        return bzrdir.format_registry.make_bzrdir('pack-0.92')
 
799
 
 
800
    def test_disk_layout(self):
 
801
        format = self.get_format()
 
802
        repo = self.make_repository('.', format=format)
 
803
        # in case of side effects of locking.
 
804
        repo.lock_write()
 
805
        repo.unlock()
 
806
        t = repo.bzrdir.get_repository_transport(None)
 
807
        self.check_format(t)
 
808
        # XXX: no locks left when unlocked at the moment
 
809
        # self.assertEqualDiff('', t.get('lock').read())
 
810
        self.check_databases(t)
 
811
 
 
812
    def check_format(self, t):
 
813
        self.assertEqualDiff(
 
814
            "Bazaar pack repository format 1 (needs bzr 0.92)\n",
 
815
                             t.get('format').read())
 
816
 
 
817
    def assertHasKndx(self, t, knit_name):
 
818
        """Assert that knit_name exists on t."""
 
819
        self.assertEqualDiff('# bzr knit index 8\n',
 
820
                             t.get(knit_name + '.kndx').read())
 
821
 
 
822
    def assertHasNoKndx(self, t, knit_name):
 
823
        """Assert that knit_name has no index on t."""
 
824
        self.assertFalse(t.has(knit_name + '.kndx'))
 
825
 
 
826
    def assertHasNoKnit(self, t, knit_name):
 
827
        """Assert that knit_name exists on t."""
 
828
        # no default content
 
829
        self.assertFalse(t.has(knit_name + '.knit'))
 
830
 
 
831
    def check_databases(self, t):
 
832
        """check knit content for a repository."""
 
833
        # check conversion worked
 
834
        self.assertHasNoKndx(t, 'inventory')
 
835
        self.assertHasNoKnit(t, 'inventory')
 
836
        self.assertHasNoKndx(t, 'revisions')
 
837
        self.assertHasNoKnit(t, 'revisions')
 
838
        self.assertHasNoKndx(t, 'signatures')
 
839
        self.assertHasNoKnit(t, 'signatures')
 
840
        self.assertFalse(t.has('knits'))
 
841
        # revision-indexes file-container directory
 
842
        self.assertEqual([],
 
843
            list(GraphIndex(t, 'pack-names', None).iter_all_entries()))
 
844
        self.assertTrue(S_ISDIR(t.stat('packs').st_mode))
 
845
        self.assertTrue(S_ISDIR(t.stat('upload').st_mode))
 
846
        self.assertTrue(S_ISDIR(t.stat('indices').st_mode))
 
847
        self.assertTrue(S_ISDIR(t.stat('obsolete_packs').st_mode))
 
848
 
 
849
    def test_shared_disk_layout(self):
 
850
        format = self.get_format()
 
851
        repo = self.make_repository('.', shared=True, format=format)
 
852
        # we want:
 
853
        t = repo.bzrdir.get_repository_transport(None)
 
854
        self.check_format(t)
 
855
        # XXX: no locks left when unlocked at the moment
 
856
        # self.assertEqualDiff('', t.get('lock').read())
 
857
        # We should have a 'shared-storage' marker file.
 
858
        self.assertEqualDiff('', t.get('shared-storage').read())
 
859
        self.check_databases(t)
 
860
 
 
861
    def test_shared_no_tree_disk_layout(self):
 
862
        format = self.get_format()
 
863
        repo = self.make_repository('.', shared=True, format=format)
 
864
        repo.set_make_working_trees(False)
 
865
        # we want:
 
866
        t = repo.bzrdir.get_repository_transport(None)
 
867
        self.check_format(t)
 
868
        # XXX: no locks left when unlocked at the moment
 
869
        # self.assertEqualDiff('', t.get('lock').read())
 
870
        # We should have a 'shared-storage' marker file.
 
871
        self.assertEqualDiff('', t.get('shared-storage').read())
 
872
        # We should have a marker for the no-working-trees flag.
 
873
        self.assertEqualDiff('', t.get('no-working-trees').read())
 
874
        # The marker should go when we toggle the setting.
 
875
        repo.set_make_working_trees(True)
 
876
        self.assertFalse(t.has('no-working-trees'))
 
877
        self.check_databases(t)
 
878
 
 
879
    def test_adding_revision_creates_pack_indices(self):
 
880
        format = self.get_format()
 
881
        tree = self.make_branch_and_tree('.', format=format)
 
882
        trans = tree.branch.repository.bzrdir.get_repository_transport(None)
 
883
        self.assertEqual([],
 
884
            list(GraphIndex(trans, 'pack-names', None).iter_all_entries()))
 
885
        tree.commit('foobarbaz')
 
886
        index = GraphIndex(trans, 'pack-names', None)
 
887
        index_nodes = list(index.iter_all_entries())
 
888
        self.assertEqual(1, len(index_nodes))
 
889
        node = index_nodes[0]
 
890
        name = node[1][0]
 
891
        # the pack sizes should be listed in the index
 
892
        pack_value = node[2]
 
893
        sizes = [int(digits) for digits in pack_value.split(' ')]
 
894
        for size, suffix in zip(sizes, ['.rix', '.iix', '.tix', '.six']):
 
895
            stat = trans.stat('indices/%s%s' % (name, suffix))
 
896
            self.assertEqual(size, stat.st_size)
 
897
 
 
898
    def test_pulling_nothing_leads_to_no_new_names(self):
 
899
        format = self.get_format()
 
900
        tree1 = self.make_branch_and_tree('1', format=format)
 
901
        tree2 = self.make_branch_and_tree('2', format=format)
 
902
        tree1.branch.repository.fetch(tree2.branch.repository)
 
903
        trans = tree1.branch.repository.bzrdir.get_repository_transport(None)
 
904
        self.assertEqual([],
 
905
            list(GraphIndex(trans, 'pack-names', None).iter_all_entries()))
 
906
 
 
907
    def test_commit_across_pack_shape_boundary_autopacks(self):
 
908
        format = self.get_format()
 
909
        tree = self.make_branch_and_tree('.', format=format)
 
910
        trans = tree.branch.repository.bzrdir.get_repository_transport(None)
 
911
        # This test could be a little cheaper by replacing the packs
 
912
        # attribute on the repository to allow a different pack distribution
 
913
        # and max packs policy - so we are checking the policy is honoured
 
914
        # in the test. But for now 11 commits is not a big deal in a single
 
915
        # test.
 
916
        for x in range(9):
 
917
            tree.commit('commit %s' % x)
 
918
        # there should be 9 packs:
 
919
        index = GraphIndex(trans, 'pack-names', None)
 
920
        self.assertEqual(9, len(list(index.iter_all_entries())))
 
921
        # insert some files in obsolete_packs which should be removed by pack.
 
922
        trans.put_bytes('obsolete_packs/foo', '123')
 
923
        trans.put_bytes('obsolete_packs/bar', '321')
 
924
        # committing one more should coalesce to 1 of 10.
 
925
        tree.commit('commit triggering pack')
 
926
        index = GraphIndex(trans, 'pack-names', None)
 
927
        self.assertEqual(1, len(list(index.iter_all_entries())))
 
928
        # packing should not damage data
 
929
        tree = tree.bzrdir.open_workingtree()
 
930
        check_result = tree.branch.repository.check(
 
931
            [tree.branch.last_revision()])
 
932
        # We should have 50 (10x5) files in the obsolete_packs directory.
 
933
        obsolete_files = list(trans.list_dir('obsolete_packs'))
 
934
        self.assertFalse('foo' in obsolete_files)
 
935
        self.assertFalse('bar' in obsolete_files)
 
936
        self.assertEqual(50, len(obsolete_files))
 
937
        # XXX: Todo check packs obsoleted correctly - old packs and indices
 
938
        # in the obsolete_packs directory.
 
939
        large_pack_name = list(index.iter_all_entries())[0][1][0]
 
940
        # finally, committing again should not touch the large pack.
 
941
        tree.commit('commit not triggering pack')
 
942
        index = GraphIndex(trans, 'pack-names', None)
 
943
        self.assertEqual(2, len(list(index.iter_all_entries())))
 
944
        pack_names = [node[1][0] for node in index.iter_all_entries()]
 
945
        self.assertTrue(large_pack_name in pack_names)
 
946
 
 
947
    def test_pack_after_two_commits_packs_everything(self):
 
948
        format = self.get_format()
 
949
        tree = self.make_branch_and_tree('.', format=format)
 
950
        trans = tree.branch.repository.bzrdir.get_repository_transport(None)
 
951
        tree.commit('start')
 
952
        tree.commit('more work')
 
953
        tree.branch.repository.pack()
 
954
        # there should be 1 pack:
 
955
        index = GraphIndex(trans, 'pack-names', None)
 
956
        self.assertEqual(1, len(list(index.iter_all_entries())))
 
957
        self.assertEqual(2, len(tree.branch.repository.all_revision_ids()))
 
958
 
 
959
    def test_pack_layout(self):
 
960
        format = self.get_format()
 
961
        tree = self.make_branch_and_tree('.', format=format)
 
962
        trans = tree.branch.repository.bzrdir.get_repository_transport(None)
 
963
        tree.commit('start', rev_id='1')
 
964
        tree.commit('more work', rev_id='2')
 
965
        tree.branch.repository.pack()
 
966
        tree.lock_read()
 
967
        self.addCleanup(tree.unlock)
 
968
        pack = tree.branch.repository._pack_collection.get_pack_by_name(
 
969
            tree.branch.repository._pack_collection.names()[0])
 
970
        # revision access tends to be tip->ancestor, so ordering that way on 
 
971
        # disk is a good idea.
 
972
        for _1, key, val, refs in pack.revision_index.iter_all_entries():
 
973
            if key == ('1',):
 
974
                pos_1 = int(val[1:].split()[0])
 
975
            else:
 
976
                pos_2 = int(val[1:].split()[0])
 
977
        self.assertTrue(pos_2 < pos_1)
 
978
 
 
979
    def test_pack_repositories_support_multiple_write_locks(self):
 
980
        format = self.get_format()
 
981
        self.make_repository('.', shared=True, format=format)
 
982
        r1 = repository.Repository.open('.')
 
983
        r2 = repository.Repository.open('.')
 
984
        r1.lock_write()
 
985
        self.addCleanup(r1.unlock)
 
986
        r2.lock_write()
 
987
        r2.unlock()
 
988
 
 
989
    def _add_text(self, repo, fileid):
 
990
        """Add a text to the repository within a write group."""
 
991
        vf =repo.weave_store.get_weave(fileid, repo.get_transaction())
 
992
        vf.add_lines('samplerev+' + fileid, [], [])
 
993
 
 
994
    def test_concurrent_writers_merge_new_packs(self):
 
995
        format = self.get_format()
 
996
        self.make_repository('.', shared=True, format=format)
 
997
        r1 = repository.Repository.open('.')
 
998
        r2 = repository.Repository.open('.')
 
999
        r1.lock_write()
 
1000
        try:
 
1001
            # access enough data to load the names list
 
1002
            list(r1.all_revision_ids())
 
1003
            r2.lock_write()
 
1004
            try:
 
1005
                # access enough data to load the names list
 
1006
                list(r2.all_revision_ids())
 
1007
                r1.start_write_group()
 
1008
                try:
 
1009
                    r2.start_write_group()
 
1010
                    try:
 
1011
                        self._add_text(r1, 'fileidr1')
 
1012
                        self._add_text(r2, 'fileidr2')
 
1013
                    except:
 
1014
                        r2.abort_write_group()
 
1015
                        raise
 
1016
                except:
 
1017
                    r1.abort_write_group()
 
1018
                    raise
 
1019
                # both r1 and r2 have open write groups with data in them
 
1020
                # created while the other's write group was open.
 
1021
                # Commit both which requires a merge to the pack-names.
 
1022
                try:
 
1023
                    r1.commit_write_group()
 
1024
                except:
 
1025
                    r1.abort_write_group()
 
1026
                    r2.abort_write_group()
 
1027
                    raise
 
1028
                r2.commit_write_group()
 
1029
                # tell r1 to reload from disk
 
1030
                r1._pack_collection.reset()
 
1031
                # Now both repositories should know about both names
 
1032
                r1._pack_collection.ensure_loaded()
 
1033
                r2._pack_collection.ensure_loaded()
 
1034
                self.assertEqual(r1._pack_collection.names(), r2._pack_collection.names())
 
1035
                self.assertEqual(2, len(r1._pack_collection.names()))
 
1036
            finally:
 
1037
                r2.unlock()
 
1038
        finally:
 
1039
            r1.unlock()
 
1040
 
 
1041
    def test_concurrent_writer_second_preserves_dropping_a_pack(self):
 
1042
        format = self.get_format()
 
1043
        self.make_repository('.', shared=True, format=format)
 
1044
        r1 = repository.Repository.open('.')
 
1045
        r2 = repository.Repository.open('.')
 
1046
        # add a pack to drop
 
1047
        r1.lock_write()
 
1048
        try:
 
1049
            r1.start_write_group()
 
1050
            try:
 
1051
                self._add_text(r1, 'fileidr1')
 
1052
            except:
 
1053
                r1.abort_write_group()
 
1054
                raise
 
1055
            else:
 
1056
                r1.commit_write_group()
 
1057
            r1._pack_collection.ensure_loaded()
 
1058
            name_to_drop = r1._pack_collection.all_packs()[0].name
 
1059
        finally:
 
1060
            r1.unlock()
 
1061
        r1.lock_write()
 
1062
        try:
 
1063
            # access enough data to load the names list
 
1064
            list(r1.all_revision_ids())
 
1065
            r2.lock_write()
 
1066
            try:
 
1067
                # access enough data to load the names list
 
1068
                list(r2.all_revision_ids())
 
1069
                r1._pack_collection.ensure_loaded()
 
1070
                try:
 
1071
                    r2.start_write_group()
 
1072
                    try:
 
1073
                        # in r1, drop the pack
 
1074
                        r1._pack_collection._remove_pack_from_memory(
 
1075
                            r1._pack_collection.get_pack_by_name(name_to_drop))
 
1076
                        # in r2, add a pack
 
1077
                        self._add_text(r2, 'fileidr2')
 
1078
                    except:
 
1079
                        r2.abort_write_group()
 
1080
                        raise
 
1081
                except:
 
1082
                    r1._pack_collection.reset()
 
1083
                    raise
 
1084
                # r1 has a changed names list, and r2 an open write groups with
 
1085
                # changes.
 
1086
                # save r1, and then commit the r2 write group, which requires a
 
1087
                # merge to the pack-names, which should not reinstate
 
1088
                # name_to_drop
 
1089
                try:
 
1090
                    r1._pack_collection._save_pack_names()
 
1091
                    r1._pack_collection.reset()
 
1092
                except:
 
1093
                    r2.abort_write_group()
 
1094
                    raise
 
1095
                try:
 
1096
                    r2.commit_write_group()
 
1097
                except:
 
1098
                    r2.abort_write_group()
 
1099
                    raise
 
1100
                # Now both repositories should now about just one name.
 
1101
                r1._pack_collection.ensure_loaded()
 
1102
                r2._pack_collection.ensure_loaded()
 
1103
                self.assertEqual(r1._pack_collection.names(), r2._pack_collection.names())
 
1104
                self.assertEqual(1, len(r1._pack_collection.names()))
 
1105
                self.assertFalse(name_to_drop in r1._pack_collection.names())
 
1106
            finally:
 
1107
                r2.unlock()
 
1108
        finally:
 
1109
            r1.unlock()
 
1110
 
 
1111
    def test_lock_write_does_not_physically_lock(self):
 
1112
        repo = self.make_repository('.', format=self.get_format())
 
1113
        repo.lock_write()
 
1114
        self.addCleanup(repo.unlock)
 
1115
        self.assertFalse(repo.get_physical_lock_status())
 
1116
 
 
1117
    def prepare_for_break_lock(self):
 
1118
        # Setup the global ui factory state so that a break-lock method call
 
1119
        # will find usable input in the input stream.
 
1120
        old_factory = bzrlib.ui.ui_factory
 
1121
        def restoreFactory():
 
1122
            bzrlib.ui.ui_factory = old_factory
 
1123
        self.addCleanup(restoreFactory)
 
1124
        bzrlib.ui.ui_factory = bzrlib.ui.SilentUIFactory()
 
1125
        bzrlib.ui.ui_factory.stdin = StringIO("y\n")
 
1126
 
 
1127
    def test_break_lock_breaks_physical_lock(self):
 
1128
        repo = self.make_repository('.', format=self.get_format())
 
1129
        repo._pack_collection.lock_names()
 
1130
        repo2 = repository.Repository.open('.')
 
1131
        self.assertTrue(repo.get_physical_lock_status())
 
1132
        self.prepare_for_break_lock()
 
1133
        repo2.break_lock()
 
1134
        self.assertFalse(repo.get_physical_lock_status())
 
1135
 
 
1136
    def test_broken_physical_locks_error_on__unlock_names_lock(self):
 
1137
        repo = self.make_repository('.', format=self.get_format())
 
1138
        repo._pack_collection.lock_names()
 
1139
        self.assertTrue(repo.get_physical_lock_status())
 
1140
        repo2 = repository.Repository.open('.')
 
1141
        self.prepare_for_break_lock()
 
1142
        repo2.break_lock()
 
1143
        self.assertRaises(errors.LockBroken, repo._pack_collection._unlock_names)
 
1144
 
 
1145
    def test_fetch_without_find_ghosts_ignores_ghosts(self):
 
1146
        # we want two repositories at this point:
 
1147
        # one with a revision that is a ghost in the other
 
1148
        # repository.
 
1149
        # 'ghost' is present in has_ghost, 'ghost' is absent in 'missing_ghost'.
 
1150
        # 'references' is present in both repositories, and 'tip' is present
 
1151
        # just in has_ghost.
 
1152
        # has_ghost       missing_ghost
 
1153
        #------------------------------
 
1154
        # 'ghost'             -
 
1155
        # 'references'    'references'
 
1156
        # 'tip'               -
 
1157
        # In this test we fetch 'tip' which should not fetch 'ghost'
 
1158
        has_ghost = self.make_repository('has_ghost', format=self.get_format())
 
1159
        missing_ghost = self.make_repository('missing_ghost',
 
1160
            format=self.get_format())
 
1161
 
 
1162
        def add_commit(repo, revision_id, parent_ids):
 
1163
            repo.lock_write()
 
1164
            repo.start_write_group()
 
1165
            inv = inventory.Inventory(revision_id=revision_id)
 
1166
            inv.root.revision = revision_id
 
1167
            root_id = inv.root.file_id
 
1168
            sha1 = repo.add_inventory(revision_id, inv, [])
 
1169
            vf = repo.weave_store.get_weave_or_empty(root_id,
 
1170
                repo.get_transaction())
 
1171
            vf.add_lines(revision_id, [], [])
 
1172
            rev = bzrlib.revision.Revision(timestamp=0,
 
1173
                                           timezone=None,
 
1174
                                           committer="Foo Bar <foo@example.com>",
 
1175
                                           message="Message",
 
1176
                                           inventory_sha1=sha1,
 
1177
                                           revision_id=revision_id)
 
1178
            rev.parent_ids = parent_ids
 
1179
            repo.add_revision(revision_id, rev)
 
1180
            repo.commit_write_group()
 
1181
            repo.unlock()
 
1182
        add_commit(has_ghost, 'ghost', [])
 
1183
        add_commit(has_ghost, 'references', ['ghost'])
 
1184
        add_commit(missing_ghost, 'references', ['ghost'])
 
1185
        add_commit(has_ghost, 'tip', ['references'])
 
1186
        missing_ghost.fetch(has_ghost, 'tip')
 
1187
        # missing ghost now has tip and not ghost.
 
1188
        rev = missing_ghost.get_revision('tip')
 
1189
        inv = missing_ghost.get_inventory('tip')
 
1190
        self.assertRaises(errors.NoSuchRevision,
 
1191
            missing_ghost.get_revision, 'ghost')
 
1192
        self.assertRaises(errors.RevisionNotPresent,
 
1193
            missing_ghost.get_inventory, 'ghost')
 
1194
 
 
1195
    def test_supports_external_lookups(self):
 
1196
        repo = self.make_repository('.', format=self.get_format())
 
1197
        self.assertFalse(repo._format.supports_external_lookups)
 
1198
 
 
1199
 
 
1200
class TestKnitPackSubtrees(TestKnitPackNoSubtrees):
 
1201
 
 
1202
    def get_format(self):
 
1203
        return bzrdir.format_registry.make_bzrdir(
 
1204
            'pack-0.92-subtree')
 
1205
 
 
1206
    def check_format(self, t):
 
1207
        self.assertEqualDiff(
 
1208
            "Bazaar pack repository format 1 with subtree support (needs bzr 0.92)\n",
 
1209
            t.get('format').read())
 
1210
 
 
1211
 
 
1212
class TestDevelopment0(TestKnitPackNoSubtrees):
 
1213
 
 
1214
    def get_format(self):
 
1215
        return bzrdir.format_registry.make_bzrdir(
 
1216
            'development')
 
1217
 
 
1218
    def check_format(self, t):
 
1219
        self.assertEqualDiff(
 
1220
            "Bazaar development format 0 (needs bzr.dev from before 1.3)\n",
 
1221
            t.get('format').read())
 
1222
 
 
1223
 
 
1224
class TestDevelopment0Subtree(TestKnitPackNoSubtrees):
 
1225
 
 
1226
    def get_format(self):
 
1227
        return bzrdir.format_registry.make_bzrdir(
 
1228
            'development-subtree')
 
1229
 
 
1230
    def check_format(self, t):
 
1231
        self.assertEqualDiff(
 
1232
            "Bazaar development format 0 with subtree support "
 
1233
            "(needs bzr.dev from before 1.3)\n",
 
1234
            t.get('format').read())
 
1235
 
 
1236
 
 
1237
class TestRepositoryPackCollection(TestCaseWithTransport):
 
1238
 
 
1239
    def get_format(self):
 
1240
        return bzrdir.format_registry.make_bzrdir('pack-0.92')
 
1241
 
 
1242
    def test__max_pack_count(self):
 
1243
        """The maximum pack count is a function of the number of revisions."""
 
1244
        format = self.get_format()
 
1245
        repo = self.make_repository('.', format=format)
 
1246
        packs = repo._pack_collection
 
1247
        # no revisions - one pack, so that we can have a revision free repo
 
1248
        # without it blowing up
 
1249
        self.assertEqual(1, packs._max_pack_count(0))
 
1250
        # after that the sum of the digits, - check the first 1-9
 
1251
        self.assertEqual(1, packs._max_pack_count(1))
 
1252
        self.assertEqual(2, packs._max_pack_count(2))
 
1253
        self.assertEqual(3, packs._max_pack_count(3))
 
1254
        self.assertEqual(4, packs._max_pack_count(4))
 
1255
        self.assertEqual(5, packs._max_pack_count(5))
 
1256
        self.assertEqual(6, packs._max_pack_count(6))
 
1257
        self.assertEqual(7, packs._max_pack_count(7))
 
1258
        self.assertEqual(8, packs._max_pack_count(8))
 
1259
        self.assertEqual(9, packs._max_pack_count(9))
 
1260
        # check the boundary cases with two digits for the next decade
 
1261
        self.assertEqual(1, packs._max_pack_count(10))
 
1262
        self.assertEqual(2, packs._max_pack_count(11))
 
1263
        self.assertEqual(10, packs._max_pack_count(19))
 
1264
        self.assertEqual(2, packs._max_pack_count(20))
 
1265
        self.assertEqual(3, packs._max_pack_count(21))
 
1266
        # check some arbitrary big numbers
 
1267
        self.assertEqual(25, packs._max_pack_count(112894))
 
1268
 
 
1269
    def test_pack_distribution_zero(self):
 
1270
        format = self.get_format()
 
1271
        repo = self.make_repository('.', format=format)
 
1272
        packs = repo._pack_collection
 
1273
        self.assertEqual([0], packs.pack_distribution(0))
 
1274
 
 
1275
    def test_ensure_loaded_unlocked(self):
 
1276
        format = self.get_format()
 
1277
        repo = self.make_repository('.', format=format)
 
1278
        self.assertRaises(errors.ObjectNotLocked,
 
1279
                          repo._pack_collection.ensure_loaded)
 
1280
 
 
1281
    def test_pack_distribution_one_to_nine(self):
 
1282
        format = self.get_format()
 
1283
        repo = self.make_repository('.', format=format)
 
1284
        packs = repo._pack_collection
 
1285
        self.assertEqual([1],
 
1286
            packs.pack_distribution(1))
 
1287
        self.assertEqual([1, 1],
 
1288
            packs.pack_distribution(2))
 
1289
        self.assertEqual([1, 1, 1],
 
1290
            packs.pack_distribution(3))
 
1291
        self.assertEqual([1, 1, 1, 1],
 
1292
            packs.pack_distribution(4))
 
1293
        self.assertEqual([1, 1, 1, 1, 1],
 
1294
            packs.pack_distribution(5))
 
1295
        self.assertEqual([1, 1, 1, 1, 1, 1],
 
1296
            packs.pack_distribution(6))
 
1297
        self.assertEqual([1, 1, 1, 1, 1, 1, 1],
 
1298
            packs.pack_distribution(7))
 
1299
        self.assertEqual([1, 1, 1, 1, 1, 1, 1, 1],
 
1300
            packs.pack_distribution(8))
 
1301
        self.assertEqual([1, 1, 1, 1, 1, 1, 1, 1, 1],
 
1302
            packs.pack_distribution(9))
 
1303
 
 
1304
    def test_pack_distribution_stable_at_boundaries(self):
 
1305
        """When there are multi-rev packs the counts are stable."""
 
1306
        format = self.get_format()
 
1307
        repo = self.make_repository('.', format=format)
 
1308
        packs = repo._pack_collection
 
1309
        # in 10s:
 
1310
        self.assertEqual([10], packs.pack_distribution(10))
 
1311
        self.assertEqual([10, 1], packs.pack_distribution(11))
 
1312
        self.assertEqual([10, 10], packs.pack_distribution(20))
 
1313
        self.assertEqual([10, 10, 1], packs.pack_distribution(21))
 
1314
        # 100s
 
1315
        self.assertEqual([100], packs.pack_distribution(100))
 
1316
        self.assertEqual([100, 1], packs.pack_distribution(101))
 
1317
        self.assertEqual([100, 10, 1], packs.pack_distribution(111))
 
1318
        self.assertEqual([100, 100], packs.pack_distribution(200))
 
1319
        self.assertEqual([100, 100, 1], packs.pack_distribution(201))
 
1320
        self.assertEqual([100, 100, 10, 1], packs.pack_distribution(211))
 
1321
 
 
1322
    def test_plan_pack_operations_2009_revisions_skip_all_packs(self):
 
1323
        format = self.get_format()
 
1324
        repo = self.make_repository('.', format=format)
 
1325
        packs = repo._pack_collection
 
1326
        existing_packs = [(2000, "big"), (9, "medium")]
 
1327
        # rev count - 2009 -> 2x1000 + 9x1
 
1328
        pack_operations = packs.plan_autopack_combinations(
 
1329
            existing_packs, [1000, 1000, 1, 1, 1, 1, 1, 1, 1, 1, 1])
 
1330
        self.assertEqual([], pack_operations)
 
1331
 
 
1332
    def test_plan_pack_operations_2010_revisions_skip_all_packs(self):
 
1333
        format = self.get_format()
 
1334
        repo = self.make_repository('.', format=format)
 
1335
        packs = repo._pack_collection
 
1336
        existing_packs = [(2000, "big"), (9, "medium"), (1, "single")]
 
1337
        # rev count - 2010 -> 2x1000 + 1x10
 
1338
        pack_operations = packs.plan_autopack_combinations(
 
1339
            existing_packs, [1000, 1000, 10])
 
1340
        self.assertEqual([], pack_operations)
 
1341
 
 
1342
    def test_plan_pack_operations_2010_combines_smallest_two(self):
 
1343
        format = self.get_format()
 
1344
        repo = self.make_repository('.', format=format)
 
1345
        packs = repo._pack_collection
 
1346
        existing_packs = [(1999, "big"), (9, "medium"), (1, "single2"),
 
1347
            (1, "single1")]
 
1348
        # rev count - 2010 -> 2x1000 + 1x10 (3)
 
1349
        pack_operations = packs.plan_autopack_combinations(
 
1350
            existing_packs, [1000, 1000, 10])
 
1351
        self.assertEqual([[2, ["single2", "single1"]], [0, []]], pack_operations)
 
1352
 
 
1353
    def test_all_packs_none(self):
 
1354
        format = self.get_format()
 
1355
        tree = self.make_branch_and_tree('.', format=format)
 
1356
        tree.lock_read()
 
1357
        self.addCleanup(tree.unlock)
 
1358
        packs = tree.branch.repository._pack_collection
 
1359
        packs.ensure_loaded()
 
1360
        self.assertEqual([], packs.all_packs())
 
1361
 
 
1362
    def test_all_packs_one(self):
 
1363
        format = self.get_format()
 
1364
        tree = self.make_branch_and_tree('.', format=format)
 
1365
        tree.commit('start')
 
1366
        tree.lock_read()
 
1367
        self.addCleanup(tree.unlock)
 
1368
        packs = tree.branch.repository._pack_collection
 
1369
        packs.ensure_loaded()
 
1370
        self.assertEqual([
 
1371
            packs.get_pack_by_name(packs.names()[0])],
 
1372
            packs.all_packs())
 
1373
 
 
1374
    def test_all_packs_two(self):
 
1375
        format = self.get_format()
 
1376
        tree = self.make_branch_and_tree('.', format=format)
 
1377
        tree.commit('start')
 
1378
        tree.commit('continue')
 
1379
        tree.lock_read()
 
1380
        self.addCleanup(tree.unlock)
 
1381
        packs = tree.branch.repository._pack_collection
 
1382
        packs.ensure_loaded()
 
1383
        self.assertEqual([
 
1384
            packs.get_pack_by_name(packs.names()[0]),
 
1385
            packs.get_pack_by_name(packs.names()[1]),
 
1386
            ], packs.all_packs())
 
1387
 
 
1388
    def test_get_pack_by_name(self):
 
1389
        format = self.get_format()
 
1390
        tree = self.make_branch_and_tree('.', format=format)
 
1391
        tree.commit('start')
 
1392
        tree.lock_read()
 
1393
        self.addCleanup(tree.unlock)
 
1394
        packs = tree.branch.repository._pack_collection
 
1395
        packs.ensure_loaded()
 
1396
        name = packs.names()[0]
 
1397
        pack_1 = packs.get_pack_by_name(name)
 
1398
        # the pack should be correctly initialised
 
1399
        rev_index = GraphIndex(packs._index_transport, name + '.rix',
 
1400
            packs._names[name][0])
 
1401
        inv_index = GraphIndex(packs._index_transport, name + '.iix',
 
1402
            packs._names[name][1])
 
1403
        txt_index = GraphIndex(packs._index_transport, name + '.tix',
 
1404
            packs._names[name][2])
 
1405
        sig_index = GraphIndex(packs._index_transport, name + '.six',
 
1406
            packs._names[name][3])
 
1407
        self.assertEqual(pack_repo.ExistingPack(packs._pack_transport,
 
1408
            name, rev_index, inv_index, txt_index, sig_index), pack_1)
 
1409
        # and the same instance should be returned on successive calls.
 
1410
        self.assertTrue(pack_1 is packs.get_pack_by_name(name))
 
1411
 
 
1412
 
 
1413
class TestPack(TestCaseWithTransport):
 
1414
    """Tests for the Pack object."""
 
1415
 
 
1416
    def assertCurrentlyEqual(self, left, right):
 
1417
        self.assertTrue(left == right)
 
1418
        self.assertTrue(right == left)
 
1419
        self.assertFalse(left != right)
 
1420
        self.assertFalse(right != left)
 
1421
 
 
1422
    def assertCurrentlyNotEqual(self, left, right):
 
1423
        self.assertFalse(left == right)
 
1424
        self.assertFalse(right == left)
 
1425
        self.assertTrue(left != right)
 
1426
        self.assertTrue(right != left)
 
1427
 
 
1428
    def test___eq____ne__(self):
 
1429
        left = pack_repo.ExistingPack('', '', '', '', '', '')
 
1430
        right = pack_repo.ExistingPack('', '', '', '', '', '')
 
1431
        self.assertCurrentlyEqual(left, right)
 
1432
        # change all attributes and ensure equality changes as we do.
 
1433
        left.revision_index = 'a'
 
1434
        self.assertCurrentlyNotEqual(left, right)
 
1435
        right.revision_index = 'a'
 
1436
        self.assertCurrentlyEqual(left, right)
 
1437
        left.inventory_index = 'a'
 
1438
        self.assertCurrentlyNotEqual(left, right)
 
1439
        right.inventory_index = 'a'
 
1440
        self.assertCurrentlyEqual(left, right)
 
1441
        left.text_index = 'a'
 
1442
        self.assertCurrentlyNotEqual(left, right)
 
1443
        right.text_index = 'a'
 
1444
        self.assertCurrentlyEqual(left, right)
 
1445
        left.signature_index = 'a'
 
1446
        self.assertCurrentlyNotEqual(left, right)
 
1447
        right.signature_index = 'a'
 
1448
        self.assertCurrentlyEqual(left, right)
 
1449
        left.name = 'a'
 
1450
        self.assertCurrentlyNotEqual(left, right)
 
1451
        right.name = 'a'
 
1452
        self.assertCurrentlyEqual(left, right)
 
1453
        left.transport = 'a'
 
1454
        self.assertCurrentlyNotEqual(left, right)
 
1455
        right.transport = 'a'
 
1456
        self.assertCurrentlyEqual(left, right)
 
1457
 
 
1458
    def test_file_name(self):
 
1459
        pack = pack_repo.ExistingPack('', 'a_name', '', '', '', '')
 
1460
        self.assertEqual('a_name.pack', pack.file_name())
 
1461
 
 
1462
 
 
1463
class TestNewPack(TestCaseWithTransport):
 
1464
    """Tests for pack_repo.NewPack."""
 
1465
 
 
1466
    def test_new_instance_attributes(self):
 
1467
        upload_transport = self.get_transport('upload')
 
1468
        pack_transport = self.get_transport('pack')
 
1469
        index_transport = self.get_transport('index')
 
1470
        upload_transport.mkdir('.')
 
1471
        pack = pack_repo.NewPack(upload_transport, index_transport,
 
1472
            pack_transport)
 
1473
        self.assertIsInstance(pack.revision_index, InMemoryGraphIndex)
 
1474
        self.assertIsInstance(pack.inventory_index, InMemoryGraphIndex)
 
1475
        self.assertIsInstance(pack._hash, type(md5.new()))
 
1476
        self.assertTrue(pack.upload_transport is upload_transport)
 
1477
        self.assertTrue(pack.index_transport is index_transport)
 
1478
        self.assertTrue(pack.pack_transport is pack_transport)
 
1479
        self.assertEqual(None, pack.index_sizes)
 
1480
        self.assertEqual(20, len(pack.random_name))
 
1481
        self.assertIsInstance(pack.random_name, str)
 
1482
        self.assertIsInstance(pack.start_time, float)
 
1483
 
 
1484
 
 
1485
class TestPacker(TestCaseWithTransport):
 
1486
    """Tests for the packs repository Packer class."""
 
1487
 
 
1488
    # To date, this class has been factored out and nothing new added to it;
 
1489
    # thus there are not yet any tests.
 
1490
 
 
1491
 
 
1492
class TestInterDifferingSerializer(TestCaseWithTransport):
 
1493
 
 
1494
    def test_progress_bar(self):
 
1495
        tree = self.make_branch_and_tree('tree')
 
1496
        tree.commit('rev1', rev_id='rev-1')
 
1497
        tree.commit('rev2', rev_id='rev-2')
 
1498
        tree.commit('rev3', rev_id='rev-3')
 
1499
        repo = self.make_repository('repo')
 
1500
        inter_repo = repository.InterDifferingSerializer(
 
1501
            tree.branch.repository, repo)
 
1502
        pb = progress.InstrumentedProgress(to_file=StringIO())
 
1503
        pb.never_throttle = True
 
1504
        inter_repo.fetch('rev-1', pb)
 
1505
        self.assertEqual('Transferring revisions', pb.last_msg)
 
1506
        self.assertEqual(1, pb.last_cnt)
 
1507
        self.assertEqual(1, pb.last_total)
 
1508
        inter_repo.fetch('rev-3', pb)
 
1509
        self.assertEqual(2, pb.last_cnt)
 
1510
        self.assertEqual(2, pb.last_total)