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  • Committer: Martin Pool
  • Date: 2007-02-06 08:16:13 UTC
  • mto: This revision was merged to the branch mainline in revision 2283.
  • Revision ID: mbp@sourcefrog.net-20070206081613-dxop566k13bll6j0
Move KnitFormat2 into repofmt

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bzrlib/tests/test_repository.py
 
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
from stat import S_ISDIR
 
26
from StringIO import StringIO
 
27
 
 
28
from bzrlib import symbol_versioning
 
29
import bzrlib
 
30
import bzrlib.bzrdir as bzrdir
 
31
import bzrlib.errors as errors
 
32
from bzrlib.errors import (NotBranchError,
 
33
                           NoSuchFile,
 
34
                           UnknownFormatError,
 
35
                           UnsupportedFormatError,
 
36
                           )
 
37
from bzrlib.repository import RepositoryFormat
 
38
from bzrlib.tests import TestCase, TestCaseWithTransport
 
39
from bzrlib.transport import get_transport
 
40
from bzrlib.transport.memory import MemoryServer
 
41
from bzrlib import (
 
42
    repository,
 
43
    upgrade,
 
44
    workingtree,
 
45
    )
 
46
from bzrlib.repofmt import knitrepo, weaverepo
 
47
 
 
48
 
 
49
class TestDefaultFormat(TestCase):
 
50
 
 
51
    def test_get_set_default_format(self):
 
52
        old_format = RepositoryFormat.get_default_format()
 
53
        test_format = SampleRepositoryFormat()
 
54
        RepositoryFormat.register_format(test_format)
 
55
        try:
 
56
            self.applyDeprecated(symbol_versioning.zero_fourteen, 
 
57
                RepositoryFormat.set_default_format, 
 
58
                test_format)
 
59
            # creating a repository should now create an instrumented dir.
 
60
            try:
 
61
                # the default branch format is used by the meta dir format
 
62
                # which is not the default bzrdir format at this point
 
63
                dir = bzrdir.BzrDirMetaFormat1().initialize('memory:///')
 
64
                result = dir.create_repository()
 
65
                self.assertEqual(result, 'A bzr repository dir')
 
66
            finally:
 
67
                self.applyDeprecated(symbol_versioning.zero_fourteen,
 
68
                    RepositoryFormat.set_default_format, old_format)
 
69
        finally:
 
70
            RepositoryFormat.unregister_format(test_format)
 
71
        self.assertEqual(old_format, RepositoryFormat.get_default_format())
 
72
 
 
73
 
 
74
class SampleRepositoryFormat(repository.RepositoryFormat):
 
75
    """A sample format
 
76
 
 
77
    this format is initializable, unsupported to aid in testing the 
 
78
    open and open(unsupported=True) routines.
 
79
    """
 
80
 
 
81
    def get_format_string(self):
 
82
        """See RepositoryFormat.get_format_string()."""
 
83
        return "Sample .bzr repository format."
 
84
 
 
85
    def initialize(self, a_bzrdir, shared=False):
 
86
        """Initialize a repository in a BzrDir"""
 
87
        t = a_bzrdir.get_repository_transport(self)
 
88
        t.put_bytes('format', self.get_format_string())
 
89
        return 'A bzr repository dir'
 
90
 
 
91
    def is_supported(self):
 
92
        return False
 
93
 
 
94
    def open(self, a_bzrdir, _found=False):
 
95
        return "opened repository."
 
96
 
 
97
 
 
98
class TestRepositoryFormat(TestCaseWithTransport):
 
99
    """Tests for the Repository format detection used by the bzr meta dir facility.BzrBranchFormat facility."""
 
100
 
 
101
    def test_find_format(self):
 
102
        # is the right format object found for a repository?
 
103
        # create a branch with a few known format objects.
 
104
        # this is not quite the same as 
 
105
        self.build_tree(["foo/", "bar/"])
 
106
        def check_format(format, url):
 
107
            dir = format._matchingbzrdir.initialize(url)
 
108
            format.initialize(dir)
 
109
            t = get_transport(url)
 
110
            found_format = repository.RepositoryFormat.find_format(dir)
 
111
            self.failUnless(isinstance(found_format, format.__class__))
 
112
        check_format(weaverepo.RepositoryFormat7(), "bar")
 
113
        
 
114
    def test_find_format_no_repository(self):
 
115
        dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
 
116
        self.assertRaises(errors.NoRepositoryPresent,
 
117
                          repository.RepositoryFormat.find_format,
 
118
                          dir)
 
119
 
 
120
    def test_find_format_unknown_format(self):
 
121
        dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
 
122
        SampleRepositoryFormat().initialize(dir)
 
123
        self.assertRaises(UnknownFormatError,
 
124
                          repository.RepositoryFormat.find_format,
 
125
                          dir)
 
126
 
 
127
    def test_register_unregister_format(self):
 
128
        format = SampleRepositoryFormat()
 
129
        # make a control dir
 
130
        dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
 
131
        # make a repo
 
132
        format.initialize(dir)
 
133
        # register a format for it.
 
134
        repository.RepositoryFormat.register_format(format)
 
135
        # which repository.Open will refuse (not supported)
 
136
        self.assertRaises(UnsupportedFormatError, repository.Repository.open, self.get_url())
 
137
        # but open(unsupported) will work
 
138
        self.assertEqual(format.open(dir), "opened repository.")
 
139
        # unregister the format
 
140
        repository.RepositoryFormat.unregister_format(format)
 
141
 
 
142
 
 
143
class TestFormat6(TestCaseWithTransport):
 
144
 
 
145
    def test_no_ancestry_weave(self):
 
146
        control = bzrdir.BzrDirFormat6().initialize(self.get_url())
 
147
        repo = weaverepo.RepositoryFormat6().initialize(control)
 
148
        # We no longer need to create the ancestry.weave file
 
149
        # since it is *never* used.
 
150
        self.assertRaises(NoSuchFile,
 
151
                          control.transport.get,
 
152
                          'ancestry.weave')
 
153
 
 
154
 
 
155
class TestFormat7(TestCaseWithTransport):
 
156
    
 
157
    def test_disk_layout(self):
 
158
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
 
159
        repo = weaverepo.RepositoryFormat7().initialize(control)
 
160
        # in case of side effects of locking.
 
161
        repo.lock_write()
 
162
        repo.unlock()
 
163
        # we want:
 
164
        # format 'Bazaar-NG Repository format 7'
 
165
        # lock ''
 
166
        # inventory.weave == empty_weave
 
167
        # empty revision-store directory
 
168
        # empty weaves directory
 
169
        t = control.get_repository_transport(None)
 
170
        self.assertEqualDiff('Bazaar-NG Repository format 7',
 
171
                             t.get('format').read())
 
172
        self.assertTrue(S_ISDIR(t.stat('revision-store').st_mode))
 
173
        self.assertTrue(S_ISDIR(t.stat('weaves').st_mode))
 
174
        self.assertEqualDiff('# bzr weave file v5\n'
 
175
                             'w\n'
 
176
                             'W\n',
 
177
                             t.get('inventory.weave').read())
 
178
 
 
179
    def test_shared_disk_layout(self):
 
180
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
 
181
        repo = weaverepo.RepositoryFormat7().initialize(control, shared=True)
 
182
        # we want:
 
183
        # format 'Bazaar-NG Repository format 7'
 
184
        # inventory.weave == empty_weave
 
185
        # empty revision-store directory
 
186
        # empty weaves directory
 
187
        # a 'shared-storage' marker file.
 
188
        # lock is not present when unlocked
 
189
        t = control.get_repository_transport(None)
 
190
        self.assertEqualDiff('Bazaar-NG Repository format 7',
 
191
                             t.get('format').read())
 
192
        self.assertEqualDiff('', t.get('shared-storage').read())
 
193
        self.assertTrue(S_ISDIR(t.stat('revision-store').st_mode))
 
194
        self.assertTrue(S_ISDIR(t.stat('weaves').st_mode))
 
195
        self.assertEqualDiff('# bzr weave file v5\n'
 
196
                             'w\n'
 
197
                             'W\n',
 
198
                             t.get('inventory.weave').read())
 
199
        self.assertFalse(t.has('branch-lock'))
 
200
 
 
201
    def test_creates_lockdir(self):
 
202
        """Make sure it appears to be controlled by a LockDir existence"""
 
203
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
 
204
        repo = weaverepo.RepositoryFormat7().initialize(control, shared=True)
 
205
        t = control.get_repository_transport(None)
 
206
        # TODO: Should check there is a 'lock' toplevel directory, 
 
207
        # regardless of contents
 
208
        self.assertFalse(t.has('lock/held/info'))
 
209
        repo.lock_write()
 
210
        try:
 
211
            self.assertTrue(t.has('lock/held/info'))
 
212
        finally:
 
213
            # unlock so we don't get a warning about failing to do so
 
214
            repo.unlock()
 
215
 
 
216
    def test_uses_lockdir(self):
 
217
        """repo format 7 actually locks on lockdir"""
 
218
        base_url = self.get_url()
 
219
        control = bzrdir.BzrDirMetaFormat1().initialize(base_url)
 
220
        repo = weaverepo.RepositoryFormat7().initialize(control, shared=True)
 
221
        t = control.get_repository_transport(None)
 
222
        repo.lock_write()
 
223
        repo.unlock()
 
224
        del repo
 
225
        # make sure the same lock is created by opening it
 
226
        repo = repository.Repository.open(base_url)
 
227
        repo.lock_write()
 
228
        self.assertTrue(t.has('lock/held/info'))
 
229
        repo.unlock()
 
230
        self.assertFalse(t.has('lock/held/info'))
 
231
 
 
232
    def test_shared_no_tree_disk_layout(self):
 
233
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
 
234
        repo = weaverepo.RepositoryFormat7().initialize(control, shared=True)
 
235
        repo.set_make_working_trees(False)
 
236
        # we want:
 
237
        # format 'Bazaar-NG Repository format 7'
 
238
        # lock ''
 
239
        # inventory.weave == empty_weave
 
240
        # empty revision-store directory
 
241
        # empty weaves directory
 
242
        # a 'shared-storage' marker file.
 
243
        t = control.get_repository_transport(None)
 
244
        self.assertEqualDiff('Bazaar-NG Repository format 7',
 
245
                             t.get('format').read())
 
246
        ## self.assertEqualDiff('', t.get('lock').read())
 
247
        self.assertEqualDiff('', t.get('shared-storage').read())
 
248
        self.assertEqualDiff('', t.get('no-working-trees').read())
 
249
        repo.set_make_working_trees(True)
 
250
        self.assertFalse(t.has('no-working-trees'))
 
251
        self.assertTrue(S_ISDIR(t.stat('revision-store').st_mode))
 
252
        self.assertTrue(S_ISDIR(t.stat('weaves').st_mode))
 
253
        self.assertEqualDiff('# bzr weave file v5\n'
 
254
                             'w\n'
 
255
                             'W\n',
 
256
                             t.get('inventory.weave').read())
 
257
 
 
258
 
 
259
class TestFormatKnit1(TestCaseWithTransport):
 
260
    
 
261
    def test_disk_layout(self):
 
262
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
 
263
        repo = repository.RepositoryFormatKnit1().initialize(control)
 
264
        # in case of side effects of locking.
 
265
        repo.lock_write()
 
266
        repo.unlock()
 
267
        # we want:
 
268
        # format 'Bazaar-NG Knit Repository Format 1'
 
269
        # lock: is a directory
 
270
        # inventory.weave == empty_weave
 
271
        # empty revision-store directory
 
272
        # empty weaves directory
 
273
        t = control.get_repository_transport(None)
 
274
        self.assertEqualDiff('Bazaar-NG Knit Repository Format 1',
 
275
                             t.get('format').read())
 
276
        # XXX: no locks left when unlocked at the moment
 
277
        # self.assertEqualDiff('', t.get('lock').read())
 
278
        self.assertTrue(S_ISDIR(t.stat('knits').st_mode))
 
279
        self.check_knits(t)
 
280
 
 
281
    def assertHasKnit(self, t, knit_name):
 
282
        """Assert that knit_name exists on t."""
 
283
        self.assertEqualDiff('# bzr knit index 8\n',
 
284
                             t.get(knit_name + '.kndx').read())
 
285
        # no default content
 
286
        self.assertTrue(t.has(knit_name + '.knit'))
 
287
 
 
288
    def check_knits(self, t):
 
289
        """check knit content for a repository."""
 
290
        self.assertHasKnit(t, 'inventory')
 
291
        self.assertHasKnit(t, 'revisions')
 
292
        self.assertHasKnit(t, 'signatures')
 
293
 
 
294
    def test_shared_disk_layout(self):
 
295
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
 
296
        repo = repository.RepositoryFormatKnit1().initialize(control, shared=True)
 
297
        # we want:
 
298
        # format 'Bazaar-NG Knit Repository Format 1'
 
299
        # lock: is a directory
 
300
        # inventory.weave == empty_weave
 
301
        # empty revision-store directory
 
302
        # empty weaves directory
 
303
        # a 'shared-storage' marker file.
 
304
        t = control.get_repository_transport(None)
 
305
        self.assertEqualDiff('Bazaar-NG Knit Repository Format 1',
 
306
                             t.get('format').read())
 
307
        # XXX: no locks left when unlocked at the moment
 
308
        # self.assertEqualDiff('', t.get('lock').read())
 
309
        self.assertEqualDiff('', t.get('shared-storage').read())
 
310
        self.assertTrue(S_ISDIR(t.stat('knits').st_mode))
 
311
        self.check_knits(t)
 
312
 
 
313
    def test_shared_no_tree_disk_layout(self):
 
314
        control = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
 
315
        repo = repository.RepositoryFormatKnit1().initialize(control, shared=True)
 
316
        repo.set_make_working_trees(False)
 
317
        # we want:
 
318
        # format 'Bazaar-NG Knit Repository Format 1'
 
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 Knit Repository Format 1',
 
326
                             t.get('format').read())
 
327
        # XXX: no locks left when unlocked at the moment
 
328
        # self.assertEqualDiff('', t.get('lock').read())
 
329
        self.assertEqualDiff('', t.get('shared-storage').read())
 
330
        self.assertEqualDiff('', t.get('no-working-trees').read())
 
331
        repo.set_make_working_trees(True)
 
332
        self.assertFalse(t.has('no-working-trees'))
 
333
        self.assertTrue(S_ISDIR(t.stat('knits').st_mode))
 
334
        self.check_knits(t)
 
335
 
 
336
 
 
337
class InterString(repository.InterRepository):
 
338
    """An inter-repository optimised code path for strings.
 
339
 
 
340
    This is for use during testing where we use strings as repositories
 
341
    so that none of the default regsitered inter-repository classes will
 
342
    match.
 
343
    """
 
344
 
 
345
    @staticmethod
 
346
    def is_compatible(repo_source, repo_target):
 
347
        """InterString is compatible with strings-as-repos."""
 
348
        return isinstance(repo_source, str) and isinstance(repo_target, str)
 
349
 
 
350
 
 
351
class TestInterRepository(TestCaseWithTransport):
 
352
 
 
353
    def test_get_default_inter_repository(self):
 
354
        # test that the InterRepository.get(repo_a, repo_b) probes
 
355
        # for a inter_repo class where is_compatible(repo_a, repo_b) returns
 
356
        # true and returns a default inter_repo otherwise.
 
357
        # This also tests that the default registered optimised interrepository
 
358
        # classes do not barf inappropriately when a surprising repository type
 
359
        # is handed to them.
 
360
        dummy_a = "Repository 1."
 
361
        dummy_b = "Repository 2."
 
362
        self.assertGetsDefaultInterRepository(dummy_a, dummy_b)
 
363
 
 
364
    def assertGetsDefaultInterRepository(self, repo_a, repo_b):
 
365
        """Asserts that InterRepository.get(repo_a, repo_b) -> the default."""
 
366
        inter_repo = repository.InterRepository.get(repo_a, repo_b)
 
367
        self.assertEqual(repository.InterRepository,
 
368
                         inter_repo.__class__)
 
369
        self.assertEqual(repo_a, inter_repo.source)
 
370
        self.assertEqual(repo_b, inter_repo.target)
 
371
 
 
372
    def test_register_inter_repository_class(self):
 
373
        # test that a optimised code path provider - a
 
374
        # InterRepository subclass can be registered and unregistered
 
375
        # and that it is correctly selected when given a repository
 
376
        # pair that it returns true on for the is_compatible static method
 
377
        # check
 
378
        dummy_a = "Repository 1."
 
379
        dummy_b = "Repository 2."
 
380
        repository.InterRepository.register_optimiser(InterString)
 
381
        try:
 
382
            # we should get the default for something InterString returns False
 
383
            # to
 
384
            self.assertFalse(InterString.is_compatible(dummy_a, None))
 
385
            self.assertGetsDefaultInterRepository(dummy_a, None)
 
386
            # and we should get an InterString for a pair it 'likes'
 
387
            self.assertTrue(InterString.is_compatible(dummy_a, dummy_b))
 
388
            inter_repo = repository.InterRepository.get(dummy_a, dummy_b)
 
389
            self.assertEqual(InterString, inter_repo.__class__)
 
390
            self.assertEqual(dummy_a, inter_repo.source)
 
391
            self.assertEqual(dummy_b, inter_repo.target)
 
392
        finally:
 
393
            repository.InterRepository.unregister_optimiser(InterString)
 
394
        # now we should get the default InterRepository object again.
 
395
        self.assertGetsDefaultInterRepository(dummy_a, dummy_b)
 
396
 
 
397
 
 
398
class TestRepositoryConverter(TestCaseWithTransport):
 
399
 
 
400
    def test_convert_empty(self):
 
401
        t = get_transport(self.get_url('.'))
 
402
        t.mkdir('repository')
 
403
        repo_dir = bzrdir.BzrDirMetaFormat1().initialize('repository')
 
404
        repo = weaverepo.RepositoryFormat7().initialize(repo_dir)
 
405
        target_format = repository.RepositoryFormatKnit1()
 
406
        converter = repository.CopyConverter(target_format)
 
407
        pb = bzrlib.ui.ui_factory.nested_progress_bar()
 
408
        try:
 
409
            converter.convert(repo, pb)
 
410
        finally:
 
411
            pb.finished()
 
412
        repo = repo_dir.open_repository()
 
413
        self.assertTrue(isinstance(target_format, repo._format.__class__))
 
414
 
 
415
 
 
416
class TestMisc(TestCase):
 
417
    
 
418
    def test_unescape_xml(self):
 
419
        """We get some kind of error when malformed entities are passed"""
 
420
        self.assertRaises(KeyError, repository._unescape_xml, 'foo&bar;') 
 
421
 
 
422
 
 
423
class TestRepositoryFormatKnit2(TestCaseWithTransport):
 
424
 
 
425
    def test_convert(self):
 
426
        """Ensure the upgrade adds weaves for roots"""
 
427
        format = bzrdir.BzrDirMetaFormat1()
 
428
        format.repository_format = repository.RepositoryFormatKnit1()
 
429
        tree = self.make_branch_and_tree('.', format)
 
430
        tree.commit("Dull commit", rev_id="dull")
 
431
        revision_tree = tree.branch.repository.revision_tree('dull')
 
432
        self.assertRaises(errors.NoSuchFile, revision_tree.get_file_lines,
 
433
            revision_tree.inventory.root.file_id)
 
434
        format = bzrdir.BzrDirMetaFormat1()
 
435
        format.repository_format = knitrepo.RepositoryFormatKnit2()
 
436
        upgrade.Convert('.', format)
 
437
        tree = workingtree.WorkingTree.open('.')
 
438
        revision_tree = tree.branch.repository.revision_tree('dull')
 
439
        revision_tree.get_file_lines(revision_tree.inventory.root.file_id)
 
440
        tree.commit("Another dull commit", rev_id='dull2')
 
441
        revision_tree = tree.branch.repository.revision_tree('dull2')
 
442
        self.assertEqual('dull', revision_tree.inventory.root.revision)