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Viewing changes to bzrlib/tests/test_repository.py

  • Committer: Martin Pool
  • Date: 2005-07-08 02:21:13 UTC
  • Revision ID: mbp@sourcefrog.net-20050708022113-940d11d7505b0ac8
- refactor hashcache to use just one dictionary

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1
 
# Copyright (C) 2006, 2007, 2008 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/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
 
 
28
 
import bzrlib
29
 
from bzrlib.errors import (NotBranchError,
30
 
                           NoSuchFile,
31
 
                           UnknownFormatError,
32
 
                           UnsupportedFormatError,
33
 
                           )
34
 
from bzrlib import graph
35
 
from bzrlib.btree_index import BTreeBuilder, BTreeGraphIndex
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
 
    TestSkipped,
43
 
    test_knit,
44
 
    )
45
 
from bzrlib.transport import (
46
 
    fakenfs,
47
 
    get_transport,
48
 
    )
49
 
from bzrlib.transport.memory import MemoryServer
50
 
from bzrlib.util import bencode
51
 
from bzrlib import (
52
 
    bzrdir,
53
 
    errors,
54
 
    inventory,
55
 
    osutils,
56
 
    progress,
57
 
    repository,
58
 
    revision as _mod_revision,
59
 
    symbol_versioning,
60
 
    upgrade,
61
 
    workingtree,
62
 
    )
63
 
from bzrlib.repofmt import knitrepo, weaverepo, pack_repo
64
 
 
65
 
 
66
 
class TestDefaultFormat(TestCase):
67
 
 
68
 
    def test_get_set_default_format(self):
69
 
        old_default = bzrdir.format_registry.get('default')
70
 
        private_default = old_default().repository_format.__class__
71
 
        old_format = repository.RepositoryFormat.get_default_format()
72
 
        self.assertTrue(isinstance(old_format, private_default))
73
 
        def make_sample_bzrdir():
74
 
            my_bzrdir = bzrdir.BzrDirMetaFormat1()
75
 
            my_bzrdir.repository_format = SampleRepositoryFormat()
76
 
            return my_bzrdir
77
 
        bzrdir.format_registry.remove('default')
78
 
        bzrdir.format_registry.register('sample', make_sample_bzrdir, '')
79
 
        bzrdir.format_registry.set_default('sample')
80
 
        # creating a repository should now create an instrumented dir.
81
 
        try:
82
 
            # the default branch format is used by the meta dir format
83
 
            # which is not the default bzrdir format at this point
84
 
            dir = bzrdir.BzrDirMetaFormat1().initialize('memory:///')
85
 
            result = dir.create_repository()
86
 
            self.assertEqual(result, 'A bzr repository dir')
87
 
        finally:
88
 
            bzrdir.format_registry.remove('default')
89
 
            bzrdir.format_registry.remove('sample')
90
 
            bzrdir.format_registry.register('default', old_default, '')
91
 
        self.assertIsInstance(repository.RepositoryFormat.get_default_format(),
92
 
                              old_format.__class__)
93
 
 
94
 
 
95
 
class SampleRepositoryFormat(repository.RepositoryFormat):
96
 
    """A sample format
97
 
 
98
 
    this format is initializable, unsupported to aid in testing the 
99
 
    open and open(unsupported=True) routines.
100
 
    """
101
 
 
102
 
    def get_format_string(self):
103
 
        """See RepositoryFormat.get_format_string()."""
104
 
        return "Sample .bzr repository format."
105
 
 
106
 
    def initialize(self, a_bzrdir, shared=False):
107
 
        """Initialize a repository in a BzrDir"""
108
 
        t = a_bzrdir.get_repository_transport(self)
109
 
        t.put_bytes('format', self.get_format_string())
110
 
        return 'A bzr repository dir'
111
 
 
112
 
    def is_supported(self):
113
 
        return False
114
 
 
115
 
    def open(self, a_bzrdir, _found=False):
116
 
        return "opened repository."
117
 
 
118
 
 
119
 
class TestRepositoryFormat(TestCaseWithTransport):
120
 
    """Tests for the Repository format detection used by the bzr meta dir facility.BzrBranchFormat facility."""
121
 
 
122
 
    def test_find_format(self):
123
 
        # is the right format object found for a repository?
124
 
        # create a branch with a few known format objects.
125
 
        # this is not quite the same as 
126
 
        self.build_tree(["foo/", "bar/"])
127
 
        def check_format(format, url):
128
 
            dir = format._matchingbzrdir.initialize(url)
129
 
            format.initialize(dir)
130
 
            t = get_transport(url)
131
 
            found_format = repository.RepositoryFormat.find_format(dir)
132
 
            self.failUnless(isinstance(found_format, format.__class__))
133
 
        check_format(weaverepo.RepositoryFormat7(), "bar")
134
 
        
135
 
    def test_find_format_no_repository(self):
136
 
        dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
137
 
        self.assertRaises(errors.NoRepositoryPresent,
138
 
                          repository.RepositoryFormat.find_format,
139
 
                          dir)
140
 
 
141
 
    def test_find_format_unknown_format(self):
142
 
        dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
143
 
        SampleRepositoryFormat().initialize(dir)
144
 
        self.assertRaises(UnknownFormatError,
145
 
                          repository.RepositoryFormat.find_format,
146
 
                          dir)
147
 
 
148
 
    def test_register_unregister_format(self):
149
 
        format = SampleRepositoryFormat()
150
 
        # make a control dir
151
 
        dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
152
 
        # make a repo
153
 
        format.initialize(dir)
154
 
        # register a format for it.
155
 
        repository.RepositoryFormat.register_format(format)
156
 
        # which repository.Open will refuse (not supported)
157
 
        self.assertRaises(UnsupportedFormatError, repository.Repository.open, self.get_url())
158
 
        # but open(unsupported) will work
159
 
        self.assertEqual(format.open(dir), "opened repository.")
160
 
        # unregister the format
161
 
        repository.RepositoryFormat.unregister_format(format)
162
 
 
163
 
 
164
 
class TestFormat6(TestCaseWithTransport):
165
 
 
166
 
    def test_attribute__fetch_order(self):
167
 
        """Weaves need topological data insertion."""
168
 
        control = bzrdir.BzrDirFormat6().initialize(self.get_url())
169
 
        repo = weaverepo.RepositoryFormat6().initialize(control)
170
 
        self.assertEqual('topological', repo._fetch_order)
171
 
 
172
 
    def test_attribute__fetch_uses_deltas(self):
173
 
        """Weaves do not reuse deltas."""
174
 
        control = bzrdir.BzrDirFormat6().initialize(self.get_url())
175
 
        repo = weaverepo.RepositoryFormat6().initialize(control)
176
 
        self.assertEqual(False, repo._fetch_uses_deltas)
177
 
 
178
 
    def test_attribute__fetch_reconcile(self):
179
 
        """Weave repositories need a reconcile after fetch."""
180
 
        control = bzrdir.BzrDirFormat6().initialize(self.get_url())
181
 
        repo = weaverepo.RepositoryFormat6().initialize(control)
182
 
        self.assertEqual(True, repo._fetch_reconcile)
183
 
 
184
 
    def test_no_ancestry_weave(self):
185
 
        control = bzrdir.BzrDirFormat6().initialize(self.get_url())
186
 
        repo = weaverepo.RepositoryFormat6().initialize(control)
187
 
        # We no longer need to create the ancestry.weave file
188
 
        # since it is *never* used.
189
 
        self.assertRaises(NoSuchFile,
190
 
                          control.transport.get,
191
 
                          'ancestry.weave')
192
 
 
193
 
    def test_supports_external_lookups(self):
194
 
        control = bzrdir.BzrDirFormat6().initialize(self.get_url())
195
 
        repo = weaverepo.RepositoryFormat6().initialize(control)
196
 
        self.assertFalse(repo._format.supports_external_lookups)
197
 
 
198
 
 
199
 
class TestFormat7(TestCaseWithTransport):
200
 
 
201
 
    def test_attribute__fetch_order(self):
202
 
        """Weaves need topological data insertion."""
203
 
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
204
 
        repo = weaverepo.RepositoryFormat7().initialize(control)
205
 
        self.assertEqual('topological', repo._fetch_order)
206
 
 
207
 
    def test_attribute__fetch_uses_deltas(self):
208
 
        """Weaves do not reuse deltas."""
209
 
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
210
 
        repo = weaverepo.RepositoryFormat7().initialize(control)
211
 
        self.assertEqual(False, repo._fetch_uses_deltas)
212
 
 
213
 
    def test_attribute__fetch_reconcile(self):
214
 
        """Weave repositories need a reconcile after fetch."""
215
 
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
216
 
        repo = weaverepo.RepositoryFormat7().initialize(control)
217
 
        self.assertEqual(True, repo._fetch_reconcile)
218
 
 
219
 
    def test_disk_layout(self):
220
 
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
221
 
        repo = weaverepo.RepositoryFormat7().initialize(control)
222
 
        # in case of side effects of locking.
223
 
        repo.lock_write()
224
 
        repo.unlock()
225
 
        # we want:
226
 
        # format 'Bazaar-NG Repository format 7'
227
 
        # lock ''
228
 
        # inventory.weave == empty_weave
229
 
        # empty revision-store directory
230
 
        # empty weaves directory
231
 
        t = control.get_repository_transport(None)
232
 
        self.assertEqualDiff('Bazaar-NG Repository format 7',
233
 
                             t.get('format').read())
234
 
        self.assertTrue(S_ISDIR(t.stat('revision-store').st_mode))
235
 
        self.assertTrue(S_ISDIR(t.stat('weaves').st_mode))
236
 
        self.assertEqualDiff('# bzr weave file v5\n'
237
 
                             'w\n'
238
 
                             'W\n',
239
 
                             t.get('inventory.weave').read())
240
 
        # Creating a file with id Foo:Bar results in a non-escaped file name on
241
 
        # disk.
242
 
        control.create_branch()
243
 
        tree = control.create_workingtree()
244
 
        tree.add(['foo'], ['Foo:Bar'], ['file'])
245
 
        tree.put_file_bytes_non_atomic('Foo:Bar', 'content\n')
246
 
        tree.commit('first post', rev_id='first')
247
 
        self.assertEqualDiff(
248
 
            '# bzr weave file v5\n'
249
 
            'i\n'
250
 
            '1 7fe70820e08a1aac0ef224d9c66ab66831cc4ab1\n'
251
 
            'n first\n'
252
 
            '\n'
253
 
            'w\n'
254
 
            '{ 0\n'
255
 
            '. content\n'
256
 
            '}\n'
257
 
            'W\n',
258
 
            t.get('weaves/74/Foo%3ABar.weave').read())
259
 
 
260
 
    def test_shared_disk_layout(self):
261
 
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
262
 
        repo = weaverepo.RepositoryFormat7().initialize(control, shared=True)
263
 
        # we want:
264
 
        # format 'Bazaar-NG Repository format 7'
265
 
        # inventory.weave == empty_weave
266
 
        # empty revision-store directory
267
 
        # empty weaves directory
268
 
        # a 'shared-storage' marker file.
269
 
        # lock is not present when unlocked
270
 
        t = control.get_repository_transport(None)
271
 
        self.assertEqualDiff('Bazaar-NG Repository format 7',
272
 
                             t.get('format').read())
273
 
        self.assertEqualDiff('', t.get('shared-storage').read())
274
 
        self.assertTrue(S_ISDIR(t.stat('revision-store').st_mode))
275
 
        self.assertTrue(S_ISDIR(t.stat('weaves').st_mode))
276
 
        self.assertEqualDiff('# bzr weave file v5\n'
277
 
                             'w\n'
278
 
                             'W\n',
279
 
                             t.get('inventory.weave').read())
280
 
        self.assertFalse(t.has('branch-lock'))
281
 
 
282
 
    def test_creates_lockdir(self):
283
 
        """Make sure it appears to be controlled by a LockDir existence"""
284
 
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
285
 
        repo = weaverepo.RepositoryFormat7().initialize(control, shared=True)
286
 
        t = control.get_repository_transport(None)
287
 
        # TODO: Should check there is a 'lock' toplevel directory, 
288
 
        # regardless of contents
289
 
        self.assertFalse(t.has('lock/held/info'))
290
 
        repo.lock_write()
291
 
        try:
292
 
            self.assertTrue(t.has('lock/held/info'))
293
 
        finally:
294
 
            # unlock so we don't get a warning about failing to do so
295
 
            repo.unlock()
296
 
 
297
 
    def test_uses_lockdir(self):
298
 
        """repo format 7 actually locks on lockdir"""
299
 
        base_url = self.get_url()
300
 
        control = bzrdir.BzrDirMetaFormat1().initialize(base_url)
301
 
        repo = weaverepo.RepositoryFormat7().initialize(control, shared=True)
302
 
        t = control.get_repository_transport(None)
303
 
        repo.lock_write()
304
 
        repo.unlock()
305
 
        del repo
306
 
        # make sure the same lock is created by opening it
307
 
        repo = repository.Repository.open(base_url)
308
 
        repo.lock_write()
309
 
        self.assertTrue(t.has('lock/held/info'))
310
 
        repo.unlock()
311
 
        self.assertFalse(t.has('lock/held/info'))
312
 
 
313
 
    def test_shared_no_tree_disk_layout(self):
314
 
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
315
 
        repo = weaverepo.RepositoryFormat7().initialize(control, shared=True)
316
 
        repo.set_make_working_trees(False)
317
 
        # we want:
318
 
        # format 'Bazaar-NG Repository format 7'
319
 
        # lock ''
320
 
        # inventory.weave == empty_weave
321
 
        # empty revision-store directory
322
 
        # empty weaves directory
323
 
        # a 'shared-storage' marker file.
324
 
        t = control.get_repository_transport(None)
325
 
        self.assertEqualDiff('Bazaar-NG Repository format 7',
326
 
                             t.get('format').read())
327
 
        ## self.assertEqualDiff('', t.get('lock').read())
328
 
        self.assertEqualDiff('', t.get('shared-storage').read())
329
 
        self.assertEqualDiff('', t.get('no-working-trees').read())
330
 
        repo.set_make_working_trees(True)
331
 
        self.assertFalse(t.has('no-working-trees'))
332
 
        self.assertTrue(S_ISDIR(t.stat('revision-store').st_mode))
333
 
        self.assertTrue(S_ISDIR(t.stat('weaves').st_mode))
334
 
        self.assertEqualDiff('# bzr weave file v5\n'
335
 
                             'w\n'
336
 
                             'W\n',
337
 
                             t.get('inventory.weave').read())
338
 
 
339
 
    def test_supports_external_lookups(self):
340
 
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
341
 
        repo = weaverepo.RepositoryFormat7().initialize(control)
342
 
        self.assertFalse(repo._format.supports_external_lookups)
343
 
 
344
 
 
345
 
class TestFormatKnit1(TestCaseWithTransport):
346
 
    
347
 
    def test_attribute__fetch_order(self):
348
 
        """Knits need topological data insertion."""
349
 
        repo = self.make_repository('.',
350
 
                format=bzrdir.format_registry.get('knit')())
351
 
        self.assertEqual('topological', repo._fetch_order)
352
 
 
353
 
    def test_attribute__fetch_uses_deltas(self):
354
 
        """Knits reuse deltas."""
355
 
        repo = self.make_repository('.',
356
 
                format=bzrdir.format_registry.get('knit')())
357
 
        self.assertEqual(True, repo._fetch_uses_deltas)
358
 
 
359
 
    def test_disk_layout(self):
360
 
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
361
 
        repo = knitrepo.RepositoryFormatKnit1().initialize(control)
362
 
        # in case of side effects of locking.
363
 
        repo.lock_write()
364
 
        repo.unlock()
365
 
        # we want:
366
 
        # format 'Bazaar-NG Knit Repository Format 1'
367
 
        # lock: is a directory
368
 
        # inventory.weave == empty_weave
369
 
        # empty revision-store directory
370
 
        # empty weaves directory
371
 
        t = control.get_repository_transport(None)
372
 
        self.assertEqualDiff('Bazaar-NG Knit Repository Format 1',
373
 
                             t.get('format').read())
374
 
        # XXX: no locks left when unlocked at the moment
375
 
        # self.assertEqualDiff('', t.get('lock').read())
376
 
        self.assertTrue(S_ISDIR(t.stat('knits').st_mode))
377
 
        self.check_knits(t)
378
 
        # Check per-file knits.
379
 
        branch = control.create_branch()
380
 
        tree = control.create_workingtree()
381
 
        tree.add(['foo'], ['Nasty-IdC:'], ['file'])
382
 
        tree.put_file_bytes_non_atomic('Nasty-IdC:', '')
383
 
        tree.commit('1st post', rev_id='foo')
384
 
        self.assertHasKnit(t, 'knits/e8/%254easty-%2549d%2543%253a',
385
 
            '\nfoo fulltext 0 81  :')
386
 
 
387
 
    def assertHasKnit(self, t, knit_name, extra_content=''):
388
 
        """Assert that knit_name exists on t."""
389
 
        self.assertEqualDiff('# bzr knit index 8\n' + extra_content,
390
 
                             t.get(knit_name + '.kndx').read())
391
 
 
392
 
    def check_knits(self, t):
393
 
        """check knit content for a repository."""
394
 
        self.assertHasKnit(t, 'inventory')
395
 
        self.assertHasKnit(t, 'revisions')
396
 
        self.assertHasKnit(t, 'signatures')
397
 
 
398
 
    def test_shared_disk_layout(self):
399
 
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
400
 
        repo = knitrepo.RepositoryFormatKnit1().initialize(control, shared=True)
401
 
        # we want:
402
 
        # format 'Bazaar-NG Knit Repository Format 1'
403
 
        # lock: is a directory
404
 
        # inventory.weave == empty_weave
405
 
        # empty revision-store directory
406
 
        # empty weaves directory
407
 
        # a 'shared-storage' marker file.
408
 
        t = control.get_repository_transport(None)
409
 
        self.assertEqualDiff('Bazaar-NG Knit Repository Format 1',
410
 
                             t.get('format').read())
411
 
        # XXX: no locks left when unlocked at the moment
412
 
        # self.assertEqualDiff('', t.get('lock').read())
413
 
        self.assertEqualDiff('', t.get('shared-storage').read())
414
 
        self.assertTrue(S_ISDIR(t.stat('knits').st_mode))
415
 
        self.check_knits(t)
416
 
 
417
 
    def test_shared_no_tree_disk_layout(self):
418
 
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
419
 
        repo = knitrepo.RepositoryFormatKnit1().initialize(control, shared=True)
420
 
        repo.set_make_working_trees(False)
421
 
        # we want:
422
 
        # format 'Bazaar-NG Knit Repository Format 1'
423
 
        # lock ''
424
 
        # inventory.weave == empty_weave
425
 
        # empty revision-store directory
426
 
        # empty weaves directory
427
 
        # a 'shared-storage' marker file.
428
 
        t = control.get_repository_transport(None)
429
 
        self.assertEqualDiff('Bazaar-NG Knit Repository Format 1',
430
 
                             t.get('format').read())
431
 
        # XXX: no locks left when unlocked at the moment
432
 
        # self.assertEqualDiff('', t.get('lock').read())
433
 
        self.assertEqualDiff('', t.get('shared-storage').read())
434
 
        self.assertEqualDiff('', t.get('no-working-trees').read())
435
 
        repo.set_make_working_trees(True)
436
 
        self.assertFalse(t.has('no-working-trees'))
437
 
        self.assertTrue(S_ISDIR(t.stat('knits').st_mode))
438
 
        self.check_knits(t)
439
 
 
440
 
    def test_deserialise_sets_root_revision(self):
441
 
        """We must have a inventory.root.revision
442
 
 
443
 
        Old versions of the XML5 serializer did not set the revision_id for
444
 
        the whole inventory. So we grab the one from the expected text. Which
445
 
        is valid when the api is not being abused.
446
 
        """
447
 
        repo = self.make_repository('.',
448
 
                format=bzrdir.format_registry.get('knit')())
449
 
        inv_xml = '<inventory format="5">\n</inventory>\n'
450
 
        inv = repo.deserialise_inventory('test-rev-id', inv_xml)
451
 
        self.assertEqual('test-rev-id', inv.root.revision)
452
 
 
453
 
    def test_deserialise_uses_global_revision_id(self):
454
 
        """If it is set, then we re-use the global revision id"""
455
 
        repo = self.make_repository('.',
456
 
                format=bzrdir.format_registry.get('knit')())
457
 
        inv_xml = ('<inventory format="5" revision_id="other-rev-id">\n'
458
 
                   '</inventory>\n')
459
 
        # Arguably, the deserialise_inventory should detect a mismatch, and
460
 
        # raise an error, rather than silently using one revision_id over the
461
 
        # other.
462
 
        self.assertRaises(AssertionError, repo.deserialise_inventory,
463
 
            'test-rev-id', inv_xml)
464
 
        inv = repo.deserialise_inventory('other-rev-id', inv_xml)
465
 
        self.assertEqual('other-rev-id', inv.root.revision)
466
 
 
467
 
    def test_supports_external_lookups(self):
468
 
        repo = self.make_repository('.',
469
 
                format=bzrdir.format_registry.get('knit')())
470
 
        self.assertFalse(repo._format.supports_external_lookups)
471
 
 
472
 
 
473
 
class DummyRepository(object):
474
 
    """A dummy repository for testing."""
475
 
 
476
 
    _serializer = None
477
 
 
478
 
    def supports_rich_root(self):
479
 
        return False
480
 
 
481
 
 
482
 
class InterDummy(repository.InterRepository):
483
 
    """An inter-repository optimised code path for DummyRepository.
484
 
 
485
 
    This is for use during testing where we use DummyRepository as repositories
486
 
    so that none of the default regsitered inter-repository classes will
487
 
    MATCH.
488
 
    """
489
 
 
490
 
    @staticmethod
491
 
    def is_compatible(repo_source, repo_target):
492
 
        """InterDummy is compatible with DummyRepository."""
493
 
        return (isinstance(repo_source, DummyRepository) and 
494
 
            isinstance(repo_target, DummyRepository))
495
 
 
496
 
 
497
 
class TestInterRepository(TestCaseWithTransport):
498
 
 
499
 
    def test_get_default_inter_repository(self):
500
 
        # test that the InterRepository.get(repo_a, repo_b) probes
501
 
        # for a inter_repo class where is_compatible(repo_a, repo_b) returns
502
 
        # true and returns a default inter_repo otherwise.
503
 
        # This also tests that the default registered optimised interrepository
504
 
        # classes do not barf inappropriately when a surprising repository type
505
 
        # is handed to them.
506
 
        dummy_a = DummyRepository()
507
 
        dummy_b = DummyRepository()
508
 
        self.assertGetsDefaultInterRepository(dummy_a, dummy_b)
509
 
 
510
 
    def assertGetsDefaultInterRepository(self, repo_a, repo_b):
511
 
        """Asserts that InterRepository.get(repo_a, repo_b) -> the default.
512
 
        
513
 
        The effective default is now InterSameDataRepository because there is
514
 
        no actual sane default in the presence of incompatible data models.
515
 
        """
516
 
        inter_repo = repository.InterRepository.get(repo_a, repo_b)
517
 
        self.assertEqual(repository.InterSameDataRepository,
518
 
                         inter_repo.__class__)
519
 
        self.assertEqual(repo_a, inter_repo.source)
520
 
        self.assertEqual(repo_b, inter_repo.target)
521
 
 
522
 
    def test_register_inter_repository_class(self):
523
 
        # test that a optimised code path provider - a
524
 
        # InterRepository subclass can be registered and unregistered
525
 
        # and that it is correctly selected when given a repository
526
 
        # pair that it returns true on for the is_compatible static method
527
 
        # check
528
 
        dummy_a = DummyRepository()
529
 
        dummy_b = DummyRepository()
530
 
        repo = self.make_repository('.')
531
 
        # hack dummies to look like repo somewhat.
532
 
        dummy_a._serializer = repo._serializer
533
 
        dummy_b._serializer = repo._serializer
534
 
        repository.InterRepository.register_optimiser(InterDummy)
535
 
        try:
536
 
            # we should get the default for something InterDummy returns False
537
 
            # to
538
 
            self.assertFalse(InterDummy.is_compatible(dummy_a, repo))
539
 
            self.assertGetsDefaultInterRepository(dummy_a, repo)
540
 
            # and we should get an InterDummy for a pair it 'likes'
541
 
            self.assertTrue(InterDummy.is_compatible(dummy_a, dummy_b))
542
 
            inter_repo = repository.InterRepository.get(dummy_a, dummy_b)
543
 
            self.assertEqual(InterDummy, inter_repo.__class__)
544
 
            self.assertEqual(dummy_a, inter_repo.source)
545
 
            self.assertEqual(dummy_b, inter_repo.target)
546
 
        finally:
547
 
            repository.InterRepository.unregister_optimiser(InterDummy)
548
 
        # now we should get the default InterRepository object again.
549
 
        self.assertGetsDefaultInterRepository(dummy_a, dummy_b)
550
 
 
551
 
 
552
 
class TestInterWeaveRepo(TestCaseWithTransport):
553
 
 
554
 
    def test_is_compatible_and_registered(self):
555
 
        # InterWeaveRepo is compatible when either side
556
 
        # is a format 5/6/7 branch
557
 
        from bzrlib.repofmt import knitrepo, weaverepo
558
 
        formats = [weaverepo.RepositoryFormat5(),
559
 
                   weaverepo.RepositoryFormat6(),
560
 
                   weaverepo.RepositoryFormat7()]
561
 
        incompatible_formats = [weaverepo.RepositoryFormat4(),
562
 
                                knitrepo.RepositoryFormatKnit1(),
563
 
                                ]
564
 
        repo_a = self.make_repository('a')
565
 
        repo_b = self.make_repository('b')
566
 
        is_compatible = repository.InterWeaveRepo.is_compatible
567
 
        for source in incompatible_formats:
568
 
            # force incompatible left then right
569
 
            repo_a._format = source
570
 
            repo_b._format = formats[0]
571
 
            self.assertFalse(is_compatible(repo_a, repo_b))
572
 
            self.assertFalse(is_compatible(repo_b, repo_a))
573
 
        for source in formats:
574
 
            repo_a._format = source
575
 
            for target in formats:
576
 
                repo_b._format = target
577
 
                self.assertTrue(is_compatible(repo_a, repo_b))
578
 
        self.assertEqual(repository.InterWeaveRepo,
579
 
                         repository.InterRepository.get(repo_a,
580
 
                                                        repo_b).__class__)
581
 
 
582
 
 
583
 
class TestRepositoryConverter(TestCaseWithTransport):
584
 
 
585
 
    def test_convert_empty(self):
586
 
        t = get_transport(self.get_url('.'))
587
 
        t.mkdir('repository')
588
 
        repo_dir = bzrdir.BzrDirMetaFormat1().initialize('repository')
589
 
        repo = weaverepo.RepositoryFormat7().initialize(repo_dir)
590
 
        target_format = knitrepo.RepositoryFormatKnit1()
591
 
        converter = repository.CopyConverter(target_format)
592
 
        pb = bzrlib.ui.ui_factory.nested_progress_bar()
593
 
        try:
594
 
            converter.convert(repo, pb)
595
 
        finally:
596
 
            pb.finished()
597
 
        repo = repo_dir.open_repository()
598
 
        self.assertTrue(isinstance(target_format, repo._format.__class__))
599
 
 
600
 
 
601
 
class TestMisc(TestCase):
602
 
    
603
 
    def test_unescape_xml(self):
604
 
        """We get some kind of error when malformed entities are passed"""
605
 
        self.assertRaises(KeyError, repository._unescape_xml, 'foo&bar;') 
606
 
 
607
 
 
608
 
class TestRepositoryFormatKnit3(TestCaseWithTransport):
609
 
 
610
 
    def test_attribute__fetch_order(self):
611
 
        """Knits need topological data insertion."""
612
 
        format = bzrdir.BzrDirMetaFormat1()
613
 
        format.repository_format = knitrepo.RepositoryFormatKnit3()
614
 
        repo = self.make_repository('.', format=format)
615
 
        self.assertEqual('topological', repo._fetch_order)
616
 
 
617
 
    def test_attribute__fetch_uses_deltas(self):
618
 
        """Knits reuse deltas."""
619
 
        format = bzrdir.BzrDirMetaFormat1()
620
 
        format.repository_format = knitrepo.RepositoryFormatKnit3()
621
 
        repo = self.make_repository('.', format=format)
622
 
        self.assertEqual(True, repo._fetch_uses_deltas)
623
 
 
624
 
    def test_convert(self):
625
 
        """Ensure the upgrade adds weaves for roots"""
626
 
        format = bzrdir.BzrDirMetaFormat1()
627
 
        format.repository_format = knitrepo.RepositoryFormatKnit1()
628
 
        tree = self.make_branch_and_tree('.', format)
629
 
        tree.commit("Dull commit", rev_id="dull")
630
 
        revision_tree = tree.branch.repository.revision_tree('dull')
631
 
        revision_tree.lock_read()
632
 
        try:
633
 
            self.assertRaises(errors.NoSuchFile, revision_tree.get_file_lines,
634
 
                revision_tree.inventory.root.file_id)
635
 
        finally:
636
 
            revision_tree.unlock()
637
 
        format = bzrdir.BzrDirMetaFormat1()
638
 
        format.repository_format = knitrepo.RepositoryFormatKnit3()
639
 
        upgrade.Convert('.', format)
640
 
        tree = workingtree.WorkingTree.open('.')
641
 
        revision_tree = tree.branch.repository.revision_tree('dull')
642
 
        revision_tree.lock_read()
643
 
        try:
644
 
            revision_tree.get_file_lines(revision_tree.inventory.root.file_id)
645
 
        finally:
646
 
            revision_tree.unlock()
647
 
        tree.commit("Another dull commit", rev_id='dull2')
648
 
        revision_tree = tree.branch.repository.revision_tree('dull2')
649
 
        revision_tree.lock_read()
650
 
        self.addCleanup(revision_tree.unlock)
651
 
        self.assertEqual('dull', revision_tree.inventory.root.revision)
652
 
 
653
 
    def test_supports_external_lookups(self):
654
 
        format = bzrdir.BzrDirMetaFormat1()
655
 
        format.repository_format = knitrepo.RepositoryFormatKnit3()
656
 
        repo = self.make_repository('.', format=format)
657
 
        self.assertFalse(repo._format.supports_external_lookups)
658
 
 
659
 
 
660
 
class TestWithBrokenRepo(TestCaseWithTransport):
661
 
    """These tests seem to be more appropriate as interface tests?"""
662
 
 
663
 
    def make_broken_repository(self):
664
 
        # XXX: This function is borrowed from Aaron's "Reconcile can fix bad
665
 
        # parent references" branch which is due to land in bzr.dev soon.  Once
666
 
        # it does, this duplication should be removed.
667
 
        repo = self.make_repository('broken-repo')
668
 
        cleanups = []
669
 
        try:
670
 
            repo.lock_write()
671
 
            cleanups.append(repo.unlock)
672
 
            repo.start_write_group()
673
 
            cleanups.append(repo.commit_write_group)
674
 
            # make rev1a: A well-formed revision, containing 'file1'
675
 
            inv = inventory.Inventory(revision_id='rev1a')
676
 
            inv.root.revision = 'rev1a'
677
 
            self.add_file(repo, inv, 'file1', 'rev1a', [])
678
 
            repo.add_inventory('rev1a', inv, [])
679
 
            revision = _mod_revision.Revision('rev1a',
680
 
                committer='jrandom@example.com', timestamp=0,
681
 
                inventory_sha1='', timezone=0, message='foo', parent_ids=[])
682
 
            repo.add_revision('rev1a',revision, inv)
683
 
 
684
 
            # make rev1b, which has no Revision, but has an Inventory, and
685
 
            # file1
686
 
            inv = inventory.Inventory(revision_id='rev1b')
687
 
            inv.root.revision = 'rev1b'
688
 
            self.add_file(repo, inv, 'file1', 'rev1b', [])
689
 
            repo.add_inventory('rev1b', inv, [])
690
 
 
691
 
            # make rev2, with file1 and file2
692
 
            # file2 is sane
693
 
            # file1 has 'rev1b' as an ancestor, even though this is not
694
 
            # mentioned by 'rev1a', making it an unreferenced ancestor
695
 
            inv = inventory.Inventory()
696
 
            self.add_file(repo, inv, 'file1', 'rev2', ['rev1a', 'rev1b'])
697
 
            self.add_file(repo, inv, 'file2', 'rev2', [])
698
 
            self.add_revision(repo, 'rev2', inv, ['rev1a'])
699
 
 
700
 
            # make ghost revision rev1c
701
 
            inv = inventory.Inventory()
702
 
            self.add_file(repo, inv, 'file2', 'rev1c', [])
703
 
 
704
 
            # make rev3 with file2
705
 
            # file2 refers to 'rev1c', which is a ghost in this repository, so
706
 
            # file2 cannot have rev1c as its ancestor.
707
 
            inv = inventory.Inventory()
708
 
            self.add_file(repo, inv, 'file2', 'rev3', ['rev1c'])
709
 
            self.add_revision(repo, 'rev3', inv, ['rev1c'])
710
 
            return repo
711
 
        finally:
712
 
            for cleanup in reversed(cleanups):
713
 
                cleanup()
714
 
 
715
 
    def add_revision(self, repo, revision_id, inv, parent_ids):
716
 
        inv.revision_id = revision_id
717
 
        inv.root.revision = revision_id
718
 
        repo.add_inventory(revision_id, inv, parent_ids)
719
 
        revision = _mod_revision.Revision(revision_id,
720
 
            committer='jrandom@example.com', timestamp=0, inventory_sha1='',
721
 
            timezone=0, message='foo', parent_ids=parent_ids)
722
 
        repo.add_revision(revision_id,revision, inv)
723
 
 
724
 
    def add_file(self, repo, inv, filename, revision, parents):
725
 
        file_id = filename + '-id'
726
 
        entry = inventory.InventoryFile(file_id, filename, 'TREE_ROOT')
727
 
        entry.revision = revision
728
 
        entry.text_size = 0
729
 
        inv.add(entry)
730
 
        text_key = (file_id, revision)
731
 
        parent_keys = [(file_id, parent) for parent in parents]
732
 
        repo.texts.add_lines(text_key, parent_keys, ['line\n'])
733
 
 
734
 
    def test_insert_from_broken_repo(self):
735
 
        """Inserting a data stream from a broken repository won't silently
736
 
        corrupt the target repository.
737
 
        """
738
 
        broken_repo = self.make_broken_repository()
739
 
        empty_repo = self.make_repository('empty-repo')
740
 
        self.assertRaises(errors.RevisionNotPresent, empty_repo.fetch, broken_repo)
741
 
 
742
 
 
743
 
class TestRepositoryPackCollection(TestCaseWithTransport):
744
 
 
745
 
    def get_format(self):
746
 
        return bzrdir.format_registry.make_bzrdir('pack-0.92')
747
 
 
748
 
    def get_packs(self):
749
 
        format = self.get_format()
750
 
        repo = self.make_repository('.', format=format)
751
 
        return repo._pack_collection
752
 
 
753
 
    def test__max_pack_count(self):
754
 
        """The maximum pack count is a function of the number of revisions."""
755
 
        # no revisions - one pack, so that we can have a revision free repo
756
 
        # without it blowing up
757
 
        packs = self.get_packs()
758
 
        self.assertEqual(1, packs._max_pack_count(0))
759
 
        # after that the sum of the digits, - check the first 1-9
760
 
        self.assertEqual(1, packs._max_pack_count(1))
761
 
        self.assertEqual(2, packs._max_pack_count(2))
762
 
        self.assertEqual(3, packs._max_pack_count(3))
763
 
        self.assertEqual(4, packs._max_pack_count(4))
764
 
        self.assertEqual(5, packs._max_pack_count(5))
765
 
        self.assertEqual(6, packs._max_pack_count(6))
766
 
        self.assertEqual(7, packs._max_pack_count(7))
767
 
        self.assertEqual(8, packs._max_pack_count(8))
768
 
        self.assertEqual(9, packs._max_pack_count(9))
769
 
        # check the boundary cases with two digits for the next decade
770
 
        self.assertEqual(1, packs._max_pack_count(10))
771
 
        self.assertEqual(2, packs._max_pack_count(11))
772
 
        self.assertEqual(10, packs._max_pack_count(19))
773
 
        self.assertEqual(2, packs._max_pack_count(20))
774
 
        self.assertEqual(3, packs._max_pack_count(21))
775
 
        # check some arbitrary big numbers
776
 
        self.assertEqual(25, packs._max_pack_count(112894))
777
 
 
778
 
    def test_pack_distribution_zero(self):
779
 
        packs = self.get_packs()
780
 
        self.assertEqual([0], packs.pack_distribution(0))
781
 
 
782
 
    def test_ensure_loaded_unlocked(self):
783
 
        packs = self.get_packs()
784
 
        self.assertRaises(errors.ObjectNotLocked,
785
 
                          packs.ensure_loaded)
786
 
 
787
 
    def test_pack_distribution_one_to_nine(self):
788
 
        packs = self.get_packs()
789
 
        self.assertEqual([1],
790
 
            packs.pack_distribution(1))
791
 
        self.assertEqual([1, 1],
792
 
            packs.pack_distribution(2))
793
 
        self.assertEqual([1, 1, 1],
794
 
            packs.pack_distribution(3))
795
 
        self.assertEqual([1, 1, 1, 1],
796
 
            packs.pack_distribution(4))
797
 
        self.assertEqual([1, 1, 1, 1, 1],
798
 
            packs.pack_distribution(5))
799
 
        self.assertEqual([1, 1, 1, 1, 1, 1],
800
 
            packs.pack_distribution(6))
801
 
        self.assertEqual([1, 1, 1, 1, 1, 1, 1],
802
 
            packs.pack_distribution(7))
803
 
        self.assertEqual([1, 1, 1, 1, 1, 1, 1, 1],
804
 
            packs.pack_distribution(8))
805
 
        self.assertEqual([1, 1, 1, 1, 1, 1, 1, 1, 1],
806
 
            packs.pack_distribution(9))
807
 
 
808
 
    def test_pack_distribution_stable_at_boundaries(self):
809
 
        """When there are multi-rev packs the counts are stable."""
810
 
        packs = self.get_packs()
811
 
        # in 10s:
812
 
        self.assertEqual([10], packs.pack_distribution(10))
813
 
        self.assertEqual([10, 1], packs.pack_distribution(11))
814
 
        self.assertEqual([10, 10], packs.pack_distribution(20))
815
 
        self.assertEqual([10, 10, 1], packs.pack_distribution(21))
816
 
        # 100s
817
 
        self.assertEqual([100], packs.pack_distribution(100))
818
 
        self.assertEqual([100, 1], packs.pack_distribution(101))
819
 
        self.assertEqual([100, 10, 1], packs.pack_distribution(111))
820
 
        self.assertEqual([100, 100], packs.pack_distribution(200))
821
 
        self.assertEqual([100, 100, 1], packs.pack_distribution(201))
822
 
        self.assertEqual([100, 100, 10, 1], packs.pack_distribution(211))
823
 
 
824
 
    def test_plan_pack_operations_2009_revisions_skip_all_packs(self):
825
 
        packs = self.get_packs()
826
 
        existing_packs = [(2000, "big"), (9, "medium")]
827
 
        # rev count - 2009 -> 2x1000 + 9x1
828
 
        pack_operations = packs.plan_autopack_combinations(
829
 
            existing_packs, [1000, 1000, 1, 1, 1, 1, 1, 1, 1, 1, 1])
830
 
        self.assertEqual([], pack_operations)
831
 
 
832
 
    def test_plan_pack_operations_2010_revisions_skip_all_packs(self):
833
 
        packs = self.get_packs()
834
 
        existing_packs = [(2000, "big"), (9, "medium"), (1, "single")]
835
 
        # rev count - 2010 -> 2x1000 + 1x10
836
 
        pack_operations = packs.plan_autopack_combinations(
837
 
            existing_packs, [1000, 1000, 10])
838
 
        self.assertEqual([], pack_operations)
839
 
 
840
 
    def test_plan_pack_operations_2010_combines_smallest_two(self):
841
 
        packs = self.get_packs()
842
 
        existing_packs = [(1999, "big"), (9, "medium"), (1, "single2"),
843
 
            (1, "single1")]
844
 
        # rev count - 2010 -> 2x1000 + 1x10 (3)
845
 
        pack_operations = packs.plan_autopack_combinations(
846
 
            existing_packs, [1000, 1000, 10])
847
 
        self.assertEqual([[2, ["single2", "single1"]]], pack_operations)
848
 
 
849
 
    def test_plan_pack_operations_creates_a_single_op(self):
850
 
        packs = self.get_packs()
851
 
        existing_packs = [(50, 'a'), (40, 'b'), (30, 'c'), (10, 'd'),
852
 
                          (10, 'e'), (6, 'f'), (4, 'g')]
853
 
        # rev count 150 -> 1x100 and 5x10
854
 
        # The two size 10 packs do not need to be touched. The 50, 40, 30 would
855
 
        # be combined into a single 120 size pack, and the 6 & 4 would
856
 
        # becombined into a size 10 pack. However, if we have to rewrite them,
857
 
        # we save a pack file with no increased I/O by putting them into the
858
 
        # same file.
859
 
        distribution = packs.pack_distribution(150)
860
 
        pack_operations = packs.plan_autopack_combinations(existing_packs,
861
 
                                                           distribution)
862
 
        self.assertEqual([[130, ['a', 'b', 'c', 'f', 'g']]], pack_operations)
863
 
 
864
 
    def test_all_packs_none(self):
865
 
        format = self.get_format()
866
 
        tree = self.make_branch_and_tree('.', format=format)
867
 
        tree.lock_read()
868
 
        self.addCleanup(tree.unlock)
869
 
        packs = tree.branch.repository._pack_collection
870
 
        packs.ensure_loaded()
871
 
        self.assertEqual([], packs.all_packs())
872
 
 
873
 
    def test_all_packs_one(self):
874
 
        format = self.get_format()
875
 
        tree = self.make_branch_and_tree('.', format=format)
876
 
        tree.commit('start')
877
 
        tree.lock_read()
878
 
        self.addCleanup(tree.unlock)
879
 
        packs = tree.branch.repository._pack_collection
880
 
        packs.ensure_loaded()
881
 
        self.assertEqual([
882
 
            packs.get_pack_by_name(packs.names()[0])],
883
 
            packs.all_packs())
884
 
 
885
 
    def test_all_packs_two(self):
886
 
        format = self.get_format()
887
 
        tree = self.make_branch_and_tree('.', format=format)
888
 
        tree.commit('start')
889
 
        tree.commit('continue')
890
 
        tree.lock_read()
891
 
        self.addCleanup(tree.unlock)
892
 
        packs = tree.branch.repository._pack_collection
893
 
        packs.ensure_loaded()
894
 
        self.assertEqual([
895
 
            packs.get_pack_by_name(packs.names()[0]),
896
 
            packs.get_pack_by_name(packs.names()[1]),
897
 
            ], packs.all_packs())
898
 
 
899
 
    def test_get_pack_by_name(self):
900
 
        format = self.get_format()
901
 
        tree = self.make_branch_and_tree('.', format=format)
902
 
        tree.commit('start')
903
 
        tree.lock_read()
904
 
        self.addCleanup(tree.unlock)
905
 
        packs = tree.branch.repository._pack_collection
906
 
        packs.ensure_loaded()
907
 
        name = packs.names()[0]
908
 
        pack_1 = packs.get_pack_by_name(name)
909
 
        # the pack should be correctly initialised
910
 
        sizes = packs._names[name]
911
 
        rev_index = GraphIndex(packs._index_transport, name + '.rix', sizes[0])
912
 
        inv_index = GraphIndex(packs._index_transport, name + '.iix', sizes[1])
913
 
        txt_index = GraphIndex(packs._index_transport, name + '.tix', sizes[2])
914
 
        sig_index = GraphIndex(packs._index_transport, name + '.six', sizes[3])
915
 
        self.assertEqual(pack_repo.ExistingPack(packs._pack_transport,
916
 
            name, rev_index, inv_index, txt_index, sig_index), pack_1)
917
 
        # and the same instance should be returned on successive calls.
918
 
        self.assertTrue(pack_1 is packs.get_pack_by_name(name))
919
 
 
920
 
 
921
 
class TestPack(TestCaseWithTransport):
922
 
    """Tests for the Pack object."""
923
 
 
924
 
    def assertCurrentlyEqual(self, left, right):
925
 
        self.assertTrue(left == right)
926
 
        self.assertTrue(right == left)
927
 
        self.assertFalse(left != right)
928
 
        self.assertFalse(right != left)
929
 
 
930
 
    def assertCurrentlyNotEqual(self, left, right):
931
 
        self.assertFalse(left == right)
932
 
        self.assertFalse(right == left)
933
 
        self.assertTrue(left != right)
934
 
        self.assertTrue(right != left)
935
 
 
936
 
    def test___eq____ne__(self):
937
 
        left = pack_repo.ExistingPack('', '', '', '', '', '')
938
 
        right = pack_repo.ExistingPack('', '', '', '', '', '')
939
 
        self.assertCurrentlyEqual(left, right)
940
 
        # change all attributes and ensure equality changes as we do.
941
 
        left.revision_index = 'a'
942
 
        self.assertCurrentlyNotEqual(left, right)
943
 
        right.revision_index = 'a'
944
 
        self.assertCurrentlyEqual(left, right)
945
 
        left.inventory_index = 'a'
946
 
        self.assertCurrentlyNotEqual(left, right)
947
 
        right.inventory_index = 'a'
948
 
        self.assertCurrentlyEqual(left, right)
949
 
        left.text_index = 'a'
950
 
        self.assertCurrentlyNotEqual(left, right)
951
 
        right.text_index = 'a'
952
 
        self.assertCurrentlyEqual(left, right)
953
 
        left.signature_index = 'a'
954
 
        self.assertCurrentlyNotEqual(left, right)
955
 
        right.signature_index = 'a'
956
 
        self.assertCurrentlyEqual(left, right)
957
 
        left.name = 'a'
958
 
        self.assertCurrentlyNotEqual(left, right)
959
 
        right.name = 'a'
960
 
        self.assertCurrentlyEqual(left, right)
961
 
        left.transport = 'a'
962
 
        self.assertCurrentlyNotEqual(left, right)
963
 
        right.transport = 'a'
964
 
        self.assertCurrentlyEqual(left, right)
965
 
 
966
 
    def test_file_name(self):
967
 
        pack = pack_repo.ExistingPack('', 'a_name', '', '', '', '')
968
 
        self.assertEqual('a_name.pack', pack.file_name())
969
 
 
970
 
 
971
 
class TestNewPack(TestCaseWithTransport):
972
 
    """Tests for pack_repo.NewPack."""
973
 
 
974
 
    def test_new_instance_attributes(self):
975
 
        upload_transport = self.get_transport('upload')
976
 
        pack_transport = self.get_transport('pack')
977
 
        index_transport = self.get_transport('index')
978
 
        upload_transport.mkdir('.')
979
 
        pack = pack_repo.NewPack(upload_transport, index_transport,
980
 
            pack_transport, index_builder_class=BTreeBuilder,
981
 
            index_class=BTreeGraphIndex)
982
 
        self.assertIsInstance(pack.revision_index, BTreeBuilder)
983
 
        self.assertIsInstance(pack.inventory_index, BTreeBuilder)
984
 
        self.assertIsInstance(pack._hash, type(osutils.md5()))
985
 
        self.assertTrue(pack.upload_transport is upload_transport)
986
 
        self.assertTrue(pack.index_transport is index_transport)
987
 
        self.assertTrue(pack.pack_transport is pack_transport)
988
 
        self.assertEqual(None, pack.index_sizes)
989
 
        self.assertEqual(20, len(pack.random_name))
990
 
        self.assertIsInstance(pack.random_name, str)
991
 
        self.assertIsInstance(pack.start_time, float)
992
 
 
993
 
 
994
 
class TestPacker(TestCaseWithTransport):
995
 
    """Tests for the packs repository Packer class."""
996
 
 
997
 
    # To date, this class has been factored out and nothing new added to it;
998
 
    # thus there are not yet any tests.
999
 
 
1000
 
 
1001
 
class TestInterDifferingSerializer(TestCaseWithTransport):
1002
 
 
1003
 
    def test_progress_bar(self):
1004
 
        tree = self.make_branch_and_tree('tree')
1005
 
        tree.commit('rev1', rev_id='rev-1')
1006
 
        tree.commit('rev2', rev_id='rev-2')
1007
 
        tree.commit('rev3', rev_id='rev-3')
1008
 
        repo = self.make_repository('repo')
1009
 
        inter_repo = repository.InterDifferingSerializer(
1010
 
            tree.branch.repository, repo)
1011
 
        pb = progress.InstrumentedProgress(to_file=StringIO())
1012
 
        pb.never_throttle = True
1013
 
        inter_repo.fetch('rev-1', pb)
1014
 
        self.assertEqual('Transferring revisions', pb.last_msg)
1015
 
        self.assertEqual(1, pb.last_cnt)
1016
 
        self.assertEqual(1, pb.last_total)
1017
 
        inter_repo.fetch('rev-3', pb)
1018
 
        self.assertEqual(2, pb.last_cnt)
1019
 
        self.assertEqual(2, pb.last_total)