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Viewing changes to bzrlib/tests/test_bzrdir.py

  • Committer: Jelmer Vernooij
  • Date: 2011-12-18 15:28:38 UTC
  • mto: This revision was merged to the branch mainline in revision 6386.
  • Revision ID: jelmer@samba.org-20111218152838-5wxpfnugk2jd625k
UseĀ absolute_import.

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1
# Copyright (C) 2006-2011 Canonical Ltd
 
2
#
 
3
# This program is free software; you can redistribute it and/or modify
 
4
# it under the terms of the GNU General Public License as published by
 
5
# the Free Software Foundation; either version 2 of the License, or
 
6
# (at your option) any later version.
 
7
#
 
8
# This program is distributed in the hope that it will be useful,
 
9
# but WITHOUT ANY WARRANTY; without even the implied warranty of
 
10
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 
11
# GNU General Public License for more details.
 
12
#
 
13
# You should have received a copy of the GNU General Public License
 
14
# along with this program; if not, write to the Free Software
 
15
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 
16
 
 
17
"""Tests for the BzrDir facility and any format specific tests.
 
18
 
 
19
For interface contract tests, see tests/per_bzr_dir.
 
20
"""
 
21
 
 
22
import os
 
23
import subprocess
 
24
import sys
 
25
 
 
26
from bzrlib import (
 
27
    branch,
 
28
    bzrdir,
 
29
    config,
 
30
    controldir,
 
31
    errors,
 
32
    help_topics,
 
33
    lock,
 
34
    repository,
 
35
    revision as _mod_revision,
 
36
    osutils,
 
37
    remote,
 
38
    symbol_versioning,
 
39
    transport as _mod_transport,
 
40
    urlutils,
 
41
    win32utils,
 
42
    workingtree_3,
 
43
    workingtree_4,
 
44
    )
 
45
import bzrlib.branch
 
46
from bzrlib.errors import (
 
47
    NotBranchError,
 
48
    NoColocatedBranchSupport,
 
49
    UnknownFormatError,
 
50
    UnsupportedFormatError,
 
51
    )
 
52
from bzrlib.tests import (
 
53
    TestCase,
 
54
    TestCaseWithMemoryTransport,
 
55
    TestCaseWithTransport,
 
56
    TestSkipped,
 
57
    )
 
58
from bzrlib.tests import(
 
59
    http_server,
 
60
    http_utils,
 
61
    )
 
62
from bzrlib.tests.test_http import TestWithTransport_pycurl
 
63
from bzrlib.transport import (
 
64
    memory,
 
65
    pathfilter,
 
66
    )
 
67
from bzrlib.transport.http._urllib import HttpTransport_urllib
 
68
from bzrlib.transport.nosmart import NoSmartTransportDecorator
 
69
from bzrlib.transport.readonly import ReadonlyTransportDecorator
 
70
from bzrlib.repofmt import knitrepo, knitpack_repo
 
71
 
 
72
 
 
73
class TestDefaultFormat(TestCase):
 
74
 
 
75
    def test_get_set_default_format(self):
 
76
        old_format = bzrdir.BzrDirFormat.get_default_format()
 
77
        # default is BzrDirMetaFormat1
 
78
        self.assertIsInstance(old_format, bzrdir.BzrDirMetaFormat1)
 
79
        controldir.ControlDirFormat._set_default_format(SampleBzrDirFormat())
 
80
        # creating a bzr dir should now create an instrumented dir.
 
81
        try:
 
82
            result = bzrdir.BzrDir.create('memory:///')
 
83
            self.assertIsInstance(result, SampleBzrDir)
 
84
        finally:
 
85
            controldir.ControlDirFormat._set_default_format(old_format)
 
86
        self.assertEqual(old_format, bzrdir.BzrDirFormat.get_default_format())
 
87
 
 
88
 
 
89
class DeprecatedBzrDirFormat(bzrdir.BzrDirFormat):
 
90
    """A deprecated bzr dir format."""
 
91
 
 
92
 
 
93
class TestFormatRegistry(TestCase):
 
94
 
 
95
    def make_format_registry(self):
 
96
        my_format_registry = controldir.ControlDirFormatRegistry()
 
97
        my_format_registry.register('deprecated', DeprecatedBzrDirFormat,
 
98
            'Some format.  Slower and unawesome and deprecated.',
 
99
            deprecated=True)
 
100
        my_format_registry.register_lazy('lazy', 'bzrlib.tests.test_bzrdir',
 
101
            'DeprecatedBzrDirFormat', 'Format registered lazily',
 
102
            deprecated=True)
 
103
        bzrdir.register_metadir(my_format_registry, 'knit',
 
104
            'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
 
105
            'Format using knits',
 
106
            )
 
107
        my_format_registry.set_default('knit')
 
108
        bzrdir.register_metadir(my_format_registry,
 
109
            'branch6',
 
110
            'bzrlib.repofmt.knitrepo.RepositoryFormatKnit3',
 
111
            'Experimental successor to knit.  Use at your own risk.',
 
112
            branch_format='bzrlib.branch.BzrBranchFormat6',
 
113
            experimental=True)
 
114
        bzrdir.register_metadir(my_format_registry,
 
115
            'hidden format',
 
116
            'bzrlib.repofmt.knitrepo.RepositoryFormatKnit3',
 
117
            'Experimental successor to knit.  Use at your own risk.',
 
118
            branch_format='bzrlib.branch.BzrBranchFormat6', hidden=True)
 
119
        my_format_registry.register('hiddendeprecated', DeprecatedBzrDirFormat,
 
120
            'Old format.  Slower and does not support things. ', hidden=True)
 
121
        my_format_registry.register_lazy('hiddenlazy', 'bzrlib.tests.test_bzrdir',
 
122
            'DeprecatedBzrDirFormat', 'Format registered lazily',
 
123
            deprecated=True, hidden=True)
 
124
        return my_format_registry
 
125
 
 
126
    def test_format_registry(self):
 
127
        my_format_registry = self.make_format_registry()
 
128
        my_bzrdir = my_format_registry.make_bzrdir('lazy')
 
129
        self.assertIsInstance(my_bzrdir, DeprecatedBzrDirFormat)
 
130
        my_bzrdir = my_format_registry.make_bzrdir('deprecated')
 
131
        self.assertIsInstance(my_bzrdir, DeprecatedBzrDirFormat)
 
132
        my_bzrdir = my_format_registry.make_bzrdir('default')
 
133
        self.assertIsInstance(my_bzrdir.repository_format,
 
134
            knitrepo.RepositoryFormatKnit1)
 
135
        my_bzrdir = my_format_registry.make_bzrdir('knit')
 
136
        self.assertIsInstance(my_bzrdir.repository_format,
 
137
            knitrepo.RepositoryFormatKnit1)
 
138
        my_bzrdir = my_format_registry.make_bzrdir('branch6')
 
139
        self.assertIsInstance(my_bzrdir.get_branch_format(),
 
140
                              bzrlib.branch.BzrBranchFormat6)
 
141
 
 
142
    def test_get_help(self):
 
143
        my_format_registry = self.make_format_registry()
 
144
        self.assertEqual('Format registered lazily',
 
145
                         my_format_registry.get_help('lazy'))
 
146
        self.assertEqual('Format using knits',
 
147
                         my_format_registry.get_help('knit'))
 
148
        self.assertEqual('Format using knits',
 
149
                         my_format_registry.get_help('default'))
 
150
        self.assertEqual('Some format.  Slower and unawesome and deprecated.',
 
151
                         my_format_registry.get_help('deprecated'))
 
152
 
 
153
    def test_help_topic(self):
 
154
        topics = help_topics.HelpTopicRegistry()
 
155
        registry = self.make_format_registry()
 
156
        topics.register('current-formats', registry.help_topic,
 
157
                        'Current formats')
 
158
        topics.register('other-formats', registry.help_topic,
 
159
                        'Other formats')
 
160
        new = topics.get_detail('current-formats')
 
161
        rest = topics.get_detail('other-formats')
 
162
        experimental, deprecated = rest.split('Deprecated formats')
 
163
        self.assertContainsRe(new, 'formats-help')
 
164
        self.assertContainsRe(new,
 
165
                ':knit:\n    \(native\) \(default\) Format using knits\n')
 
166
        self.assertContainsRe(experimental,
 
167
                ':branch6:\n    \(native\) Experimental successor to knit')
 
168
        self.assertContainsRe(deprecated,
 
169
                ':lazy:\n    \(native\) Format registered lazily\n')
 
170
        self.assertNotContainsRe(new, 'hidden')
 
171
 
 
172
    def test_set_default_repository(self):
 
173
        default_factory = bzrdir.format_registry.get('default')
 
174
        old_default = [k for k, v in bzrdir.format_registry.iteritems()
 
175
                       if v == default_factory and k != 'default'][0]
 
176
        bzrdir.format_registry.set_default_repository('dirstate-with-subtree')
 
177
        try:
 
178
            self.assertIs(bzrdir.format_registry.get('dirstate-with-subtree'),
 
179
                          bzrdir.format_registry.get('default'))
 
180
            self.assertIs(
 
181
                repository.format_registry.get_default().__class__,
 
182
                knitrepo.RepositoryFormatKnit3)
 
183
        finally:
 
184
            bzrdir.format_registry.set_default_repository(old_default)
 
185
 
 
186
    def test_aliases(self):
 
187
        a_registry = controldir.ControlDirFormatRegistry()
 
188
        a_registry.register('deprecated', DeprecatedBzrDirFormat,
 
189
            'Old format.  Slower and does not support stuff',
 
190
            deprecated=True)
 
191
        a_registry.register('deprecatedalias', DeprecatedBzrDirFormat,
 
192
            'Old format.  Slower and does not support stuff',
 
193
            deprecated=True, alias=True)
 
194
        self.assertEqual(frozenset(['deprecatedalias']), a_registry.aliases())
 
195
 
 
196
 
 
197
class SampleBranch(bzrlib.branch.Branch):
 
198
    """A dummy branch for guess what, dummy use."""
 
199
 
 
200
    def __init__(self, dir):
 
201
        self.bzrdir = dir
 
202
 
 
203
 
 
204
class SampleRepository(bzrlib.repository.Repository):
 
205
    """A dummy repo."""
 
206
 
 
207
    def __init__(self, dir):
 
208
        self.bzrdir = dir
 
209
 
 
210
 
 
211
class SampleBzrDir(bzrdir.BzrDir):
 
212
    """A sample BzrDir implementation to allow testing static methods."""
 
213
 
 
214
    def create_repository(self, shared=False):
 
215
        """See BzrDir.create_repository."""
 
216
        return "A repository"
 
217
 
 
218
    def open_repository(self):
 
219
        """See BzrDir.open_repository."""
 
220
        return SampleRepository(self)
 
221
 
 
222
    def create_branch(self, name=None):
 
223
        """See BzrDir.create_branch."""
 
224
        if name is not None:
 
225
            raise NoColocatedBranchSupport(self)
 
226
        return SampleBranch(self)
 
227
 
 
228
    def create_workingtree(self):
 
229
        """See BzrDir.create_workingtree."""
 
230
        return "A tree"
 
231
 
 
232
 
 
233
class SampleBzrDirFormat(bzrdir.BzrDirFormat):
 
234
    """A sample format
 
235
 
 
236
    this format is initializable, unsupported to aid in testing the
 
237
    open and open_downlevel routines.
 
238
    """
 
239
 
 
240
    def get_format_string(self):
 
241
        """See BzrDirFormat.get_format_string()."""
 
242
        return "Sample .bzr dir format."
 
243
 
 
244
    def initialize_on_transport(self, t):
 
245
        """Create a bzr dir."""
 
246
        t.mkdir('.bzr')
 
247
        t.put_bytes('.bzr/branch-format', self.get_format_string())
 
248
        return SampleBzrDir(t, self)
 
249
 
 
250
    def is_supported(self):
 
251
        return False
 
252
 
 
253
    def open(self, transport, _found=None):
 
254
        return "opened branch."
 
255
 
 
256
    @classmethod
 
257
    def from_string(cls, format_string):
 
258
        return cls()
 
259
 
 
260
 
 
261
class BzrDirFormatTest1(bzrdir.BzrDirMetaFormat1):
 
262
 
 
263
    @staticmethod
 
264
    def get_format_string():
 
265
        return "Test format 1"
 
266
 
 
267
 
 
268
class BzrDirFormatTest2(bzrdir.BzrDirMetaFormat1):
 
269
 
 
270
    @staticmethod
 
271
    def get_format_string():
 
272
        return "Test format 2"
 
273
 
 
274
 
 
275
class TestBzrDirFormat(TestCaseWithTransport):
 
276
    """Tests for the BzrDirFormat facility."""
 
277
 
 
278
    def test_find_format(self):
 
279
        # is the right format object found for a branch?
 
280
        # create a branch with a few known format objects.
 
281
        bzrdir.BzrProber.formats.register(BzrDirFormatTest1.get_format_string(),
 
282
            BzrDirFormatTest1())
 
283
        self.addCleanup(bzrdir.BzrProber.formats.remove,
 
284
            BzrDirFormatTest1.get_format_string())
 
285
        bzrdir.BzrProber.formats.register(BzrDirFormatTest2.get_format_string(),
 
286
            BzrDirFormatTest2())
 
287
        self.addCleanup(bzrdir.BzrProber.formats.remove,
 
288
            BzrDirFormatTest2.get_format_string())
 
289
        t = self.get_transport()
 
290
        self.build_tree(["foo/", "bar/"], transport=t)
 
291
        def check_format(format, url):
 
292
            format.initialize(url)
 
293
            t = _mod_transport.get_transport_from_path(url)
 
294
            found_format = bzrdir.BzrDirFormat.find_format(t)
 
295
            self.assertIsInstance(found_format, format.__class__)
 
296
        check_format(BzrDirFormatTest1(), "foo")
 
297
        check_format(BzrDirFormatTest2(), "bar")
 
298
 
 
299
    def test_find_format_nothing_there(self):
 
300
        self.assertRaises(NotBranchError,
 
301
                          bzrdir.BzrDirFormat.find_format,
 
302
                          _mod_transport.get_transport_from_path('.'))
 
303
 
 
304
    def test_find_format_unknown_format(self):
 
305
        t = self.get_transport()
 
306
        t.mkdir('.bzr')
 
307
        t.put_bytes('.bzr/branch-format', '')
 
308
        self.assertRaises(UnknownFormatError,
 
309
                          bzrdir.BzrDirFormat.find_format,
 
310
                          _mod_transport.get_transport_from_path('.'))
 
311
 
 
312
    def test_register_unregister_format(self):
 
313
        format = SampleBzrDirFormat()
 
314
        url = self.get_url()
 
315
        # make a bzrdir
 
316
        format.initialize(url)
 
317
        # register a format for it.
 
318
        bzrdir.BzrProber.formats.register(format.get_format_string(), format)
 
319
        # which bzrdir.Open will refuse (not supported)
 
320
        self.assertRaises(UnsupportedFormatError, bzrdir.BzrDir.open, url)
 
321
        # which bzrdir.open_containing will refuse (not supported)
 
322
        self.assertRaises(UnsupportedFormatError, bzrdir.BzrDir.open_containing, url)
 
323
        # but open_downlevel will work
 
324
        t = _mod_transport.get_transport_from_url(url)
 
325
        self.assertEqual(format.open(t), bzrdir.BzrDir.open_unsupported(url))
 
326
        # unregister the format
 
327
        bzrdir.BzrProber.formats.remove(format.get_format_string())
 
328
        # now open_downlevel should fail too.
 
329
        self.assertRaises(UnknownFormatError, bzrdir.BzrDir.open_unsupported, url)
 
330
 
 
331
    def test_create_branch_and_repo_uses_default(self):
 
332
        format = SampleBzrDirFormat()
 
333
        branch = bzrdir.BzrDir.create_branch_and_repo(self.get_url(),
 
334
                                                      format=format)
 
335
        self.assertTrue(isinstance(branch, SampleBranch))
 
336
 
 
337
    def test_create_branch_and_repo_under_shared(self):
 
338
        # creating a branch and repo in a shared repo uses the
 
339
        # shared repository
 
340
        format = bzrdir.format_registry.make_bzrdir('knit')
 
341
        self.make_repository('.', shared=True, format=format)
 
342
        branch = bzrdir.BzrDir.create_branch_and_repo(
 
343
            self.get_url('child'), format=format)
 
344
        self.assertRaises(errors.NoRepositoryPresent,
 
345
                          branch.bzrdir.open_repository)
 
346
 
 
347
    def test_create_branch_and_repo_under_shared_force_new(self):
 
348
        # creating a branch and repo in a shared repo can be forced to
 
349
        # make a new repo
 
350
        format = bzrdir.format_registry.make_bzrdir('knit')
 
351
        self.make_repository('.', shared=True, format=format)
 
352
        branch = bzrdir.BzrDir.create_branch_and_repo(self.get_url('child'),
 
353
                                                      force_new_repo=True,
 
354
                                                      format=format)
 
355
        branch.bzrdir.open_repository()
 
356
 
 
357
    def test_create_standalone_working_tree(self):
 
358
        format = SampleBzrDirFormat()
 
359
        # note this is deliberately readonly, as this failure should
 
360
        # occur before any writes.
 
361
        self.assertRaises(errors.NotLocalUrl,
 
362
                          bzrdir.BzrDir.create_standalone_workingtree,
 
363
                          self.get_readonly_url(), format=format)
 
364
        tree = bzrdir.BzrDir.create_standalone_workingtree('.',
 
365
                                                           format=format)
 
366
        self.assertEqual('A tree', tree)
 
367
 
 
368
    def test_create_standalone_working_tree_under_shared_repo(self):
 
369
        # create standalone working tree always makes a repo.
 
370
        format = bzrdir.format_registry.make_bzrdir('knit')
 
371
        self.make_repository('.', shared=True, format=format)
 
372
        # note this is deliberately readonly, as this failure should
 
373
        # occur before any writes.
 
374
        self.assertRaises(errors.NotLocalUrl,
 
375
                          bzrdir.BzrDir.create_standalone_workingtree,
 
376
                          self.get_readonly_url('child'), format=format)
 
377
        tree = bzrdir.BzrDir.create_standalone_workingtree('child',
 
378
            format=format)
 
379
        tree.bzrdir.open_repository()
 
380
 
 
381
    def test_create_branch_convenience(self):
 
382
        # outside a repo the default convenience output is a repo+branch_tree
 
383
        format = bzrdir.format_registry.make_bzrdir('knit')
 
384
        branch = bzrdir.BzrDir.create_branch_convenience('.', format=format)
 
385
        branch.bzrdir.open_workingtree()
 
386
        branch.bzrdir.open_repository()
 
387
 
 
388
    def test_create_branch_convenience_possible_transports(self):
 
389
        """Check that the optional 'possible_transports' is recognized"""
 
390
        format = bzrdir.format_registry.make_bzrdir('knit')
 
391
        t = self.get_transport()
 
392
        branch = bzrdir.BzrDir.create_branch_convenience(
 
393
            '.', format=format, possible_transports=[t])
 
394
        branch.bzrdir.open_workingtree()
 
395
        branch.bzrdir.open_repository()
 
396
 
 
397
    def test_create_branch_convenience_root(self):
 
398
        """Creating a branch at the root of a fs should work."""
 
399
        self.vfs_transport_factory = memory.MemoryServer
 
400
        # outside a repo the default convenience output is a repo+branch_tree
 
401
        format = bzrdir.format_registry.make_bzrdir('knit')
 
402
        branch = bzrdir.BzrDir.create_branch_convenience(self.get_url(),
 
403
                                                         format=format)
 
404
        self.assertRaises(errors.NoWorkingTree,
 
405
                          branch.bzrdir.open_workingtree)
 
406
        branch.bzrdir.open_repository()
 
407
 
 
408
    def test_create_branch_convenience_under_shared_repo(self):
 
409
        # inside a repo the default convenience output is a branch+ follow the
 
410
        # repo tree policy
 
411
        format = bzrdir.format_registry.make_bzrdir('knit')
 
412
        self.make_repository('.', shared=True, format=format)
 
413
        branch = bzrdir.BzrDir.create_branch_convenience('child',
 
414
            format=format)
 
415
        branch.bzrdir.open_workingtree()
 
416
        self.assertRaises(errors.NoRepositoryPresent,
 
417
                          branch.bzrdir.open_repository)
 
418
 
 
419
    def test_create_branch_convenience_under_shared_repo_force_no_tree(self):
 
420
        # inside a repo the default convenience output is a branch+ follow the
 
421
        # repo tree policy but we can override that
 
422
        format = bzrdir.format_registry.make_bzrdir('knit')
 
423
        self.make_repository('.', shared=True, format=format)
 
424
        branch = bzrdir.BzrDir.create_branch_convenience('child',
 
425
            force_new_tree=False, format=format)
 
426
        self.assertRaises(errors.NoWorkingTree,
 
427
                          branch.bzrdir.open_workingtree)
 
428
        self.assertRaises(errors.NoRepositoryPresent,
 
429
                          branch.bzrdir.open_repository)
 
430
 
 
431
    def test_create_branch_convenience_under_shared_repo_no_tree_policy(self):
 
432
        # inside a repo the default convenience output is a branch+ follow the
 
433
        # repo tree policy
 
434
        format = bzrdir.format_registry.make_bzrdir('knit')
 
435
        repo = self.make_repository('.', shared=True, format=format)
 
436
        repo.set_make_working_trees(False)
 
437
        branch = bzrdir.BzrDir.create_branch_convenience('child',
 
438
                                                         format=format)
 
439
        self.assertRaises(errors.NoWorkingTree,
 
440
                          branch.bzrdir.open_workingtree)
 
441
        self.assertRaises(errors.NoRepositoryPresent,
 
442
                          branch.bzrdir.open_repository)
 
443
 
 
444
    def test_create_branch_convenience_under_shared_repo_no_tree_policy_force_tree(self):
 
445
        # inside a repo the default convenience output is a branch+ follow the
 
446
        # repo tree policy but we can override that
 
447
        format = bzrdir.format_registry.make_bzrdir('knit')
 
448
        repo = self.make_repository('.', shared=True, format=format)
 
449
        repo.set_make_working_trees(False)
 
450
        branch = bzrdir.BzrDir.create_branch_convenience('child',
 
451
            force_new_tree=True, format=format)
 
452
        branch.bzrdir.open_workingtree()
 
453
        self.assertRaises(errors.NoRepositoryPresent,
 
454
                          branch.bzrdir.open_repository)
 
455
 
 
456
    def test_create_branch_convenience_under_shared_repo_force_new_repo(self):
 
457
        # inside a repo the default convenience output is overridable to give
 
458
        # repo+branch+tree
 
459
        format = bzrdir.format_registry.make_bzrdir('knit')
 
460
        self.make_repository('.', shared=True, format=format)
 
461
        branch = bzrdir.BzrDir.create_branch_convenience('child',
 
462
            force_new_repo=True, format=format)
 
463
        branch.bzrdir.open_repository()
 
464
        branch.bzrdir.open_workingtree()
 
465
 
 
466
 
 
467
class TestRepositoryAcquisitionPolicy(TestCaseWithTransport):
 
468
 
 
469
    def test_acquire_repository_standalone(self):
 
470
        """The default acquisition policy should create a standalone branch."""
 
471
        my_bzrdir = self.make_bzrdir('.')
 
472
        repo_policy = my_bzrdir.determine_repository_policy()
 
473
        repo, is_new = repo_policy.acquire_repository()
 
474
        self.assertEqual(repo.bzrdir.root_transport.base,
 
475
                         my_bzrdir.root_transport.base)
 
476
        self.assertFalse(repo.is_shared())
 
477
 
 
478
    def test_determine_stacking_policy(self):
 
479
        parent_bzrdir = self.make_bzrdir('.')
 
480
        child_bzrdir = self.make_bzrdir('child')
 
481
        parent_bzrdir.get_config().set_default_stack_on('http://example.org')
 
482
        repo_policy = child_bzrdir.determine_repository_policy()
 
483
        self.assertEqual('http://example.org', repo_policy._stack_on)
 
484
 
 
485
    def test_determine_stacking_policy_relative(self):
 
486
        parent_bzrdir = self.make_bzrdir('.')
 
487
        child_bzrdir = self.make_bzrdir('child')
 
488
        parent_bzrdir.get_config().set_default_stack_on('child2')
 
489
        repo_policy = child_bzrdir.determine_repository_policy()
 
490
        self.assertEqual('child2', repo_policy._stack_on)
 
491
        self.assertEqual(parent_bzrdir.root_transport.base,
 
492
                         repo_policy._stack_on_pwd)
 
493
 
 
494
    def prepare_default_stacking(self, child_format='1.6'):
 
495
        parent_bzrdir = self.make_bzrdir('.')
 
496
        child_branch = self.make_branch('child', format=child_format)
 
497
        parent_bzrdir.get_config().set_default_stack_on(child_branch.base)
 
498
        new_child_transport = parent_bzrdir.transport.clone('child2')
 
499
        return child_branch, new_child_transport
 
500
 
 
501
    def test_clone_on_transport_obeys_stacking_policy(self):
 
502
        child_branch, new_child_transport = self.prepare_default_stacking()
 
503
        new_child = child_branch.bzrdir.clone_on_transport(new_child_transport)
 
504
        self.assertEqual(child_branch.base,
 
505
                         new_child.open_branch().get_stacked_on_url())
 
506
 
 
507
    def test_default_stacking_with_stackable_branch_unstackable_repo(self):
 
508
        # Make stackable source branch with an unstackable repo format.
 
509
        source_bzrdir = self.make_bzrdir('source')
 
510
        knitpack_repo.RepositoryFormatKnitPack1().initialize(source_bzrdir)
 
511
        source_branch = bzrlib.branch.BzrBranchFormat7().initialize(
 
512
            source_bzrdir)
 
513
        # Make a directory with a default stacking policy
 
514
        parent_bzrdir = self.make_bzrdir('parent')
 
515
        stacked_on = self.make_branch('parent/stacked-on', format='pack-0.92')
 
516
        parent_bzrdir.get_config().set_default_stack_on(stacked_on.base)
 
517
        # Clone source into directory
 
518
        target = source_bzrdir.clone(self.get_url('parent/target'))
 
519
 
 
520
    def test_format_initialize_on_transport_ex_stacked_on(self):
 
521
        # trunk is a stackable format.  Note that its in the same server area
 
522
        # which is what launchpad does, but not sufficient to exercise the
 
523
        # general case.
 
524
        trunk = self.make_branch('trunk', format='1.9')
 
525
        t = self.get_transport('stacked')
 
526
        old_fmt = bzrdir.format_registry.make_bzrdir('pack-0.92')
 
527
        repo_name = old_fmt.repository_format.network_name()
 
528
        # Should end up with a 1.9 format (stackable)
 
529
        repo, control, require_stacking, repo_policy = \
 
530
            old_fmt.initialize_on_transport_ex(t,
 
531
                    repo_format_name=repo_name, stacked_on='../trunk',
 
532
                    stack_on_pwd=t.base)
 
533
        if repo is not None:
 
534
            # Repositories are open write-locked
 
535
            self.assertTrue(repo.is_write_locked())
 
536
            self.addCleanup(repo.unlock)
 
537
        else:
 
538
            repo = control.open_repository()
 
539
        self.assertIsInstance(control, bzrdir.BzrDir)
 
540
        opened = bzrdir.BzrDir.open(t.base)
 
541
        if not isinstance(old_fmt, remote.RemoteBzrDirFormat):
 
542
            self.assertEqual(control._format.network_name(),
 
543
                old_fmt.network_name())
 
544
            self.assertEqual(control._format.network_name(),
 
545
                opened._format.network_name())
 
546
        self.assertEqual(control.__class__, opened.__class__)
 
547
        self.assertLength(1, repo._fallback_repositories)
 
548
 
 
549
    def test_sprout_obeys_stacking_policy(self):
 
550
        child_branch, new_child_transport = self.prepare_default_stacking()
 
551
        new_child = child_branch.bzrdir.sprout(new_child_transport.base)
 
552
        self.assertEqual(child_branch.base,
 
553
                         new_child.open_branch().get_stacked_on_url())
 
554
 
 
555
    def test_clone_ignores_policy_for_unsupported_formats(self):
 
556
        child_branch, new_child_transport = self.prepare_default_stacking(
 
557
            child_format='pack-0.92')
 
558
        new_child = child_branch.bzrdir.clone_on_transport(new_child_transport)
 
559
        self.assertRaises(errors.UnstackableBranchFormat,
 
560
                          new_child.open_branch().get_stacked_on_url)
 
561
 
 
562
    def test_sprout_ignores_policy_for_unsupported_formats(self):
 
563
        child_branch, new_child_transport = self.prepare_default_stacking(
 
564
            child_format='pack-0.92')
 
565
        new_child = child_branch.bzrdir.sprout(new_child_transport.base)
 
566
        self.assertRaises(errors.UnstackableBranchFormat,
 
567
                          new_child.open_branch().get_stacked_on_url)
 
568
 
 
569
    def test_sprout_upgrades_format_if_stacked_specified(self):
 
570
        child_branch, new_child_transport = self.prepare_default_stacking(
 
571
            child_format='pack-0.92')
 
572
        new_child = child_branch.bzrdir.sprout(new_child_transport.base,
 
573
                                               stacked=True)
 
574
        self.assertEqual(child_branch.bzrdir.root_transport.base,
 
575
                         new_child.open_branch().get_stacked_on_url())
 
576
        repo = new_child.open_repository()
 
577
        self.assertTrue(repo._format.supports_external_lookups)
 
578
        self.assertFalse(repo.supports_rich_root())
 
579
 
 
580
    def test_clone_on_transport_upgrades_format_if_stacked_on_specified(self):
 
581
        child_branch, new_child_transport = self.prepare_default_stacking(
 
582
            child_format='pack-0.92')
 
583
        new_child = child_branch.bzrdir.clone_on_transport(new_child_transport,
 
584
            stacked_on=child_branch.bzrdir.root_transport.base)
 
585
        self.assertEqual(child_branch.bzrdir.root_transport.base,
 
586
                         new_child.open_branch().get_stacked_on_url())
 
587
        repo = new_child.open_repository()
 
588
        self.assertTrue(repo._format.supports_external_lookups)
 
589
        self.assertFalse(repo.supports_rich_root())
 
590
 
 
591
    def test_sprout_upgrades_to_rich_root_format_if_needed(self):
 
592
        child_branch, new_child_transport = self.prepare_default_stacking(
 
593
            child_format='rich-root-pack')
 
594
        new_child = child_branch.bzrdir.sprout(new_child_transport.base,
 
595
                                               stacked=True)
 
596
        repo = new_child.open_repository()
 
597
        self.assertTrue(repo._format.supports_external_lookups)
 
598
        self.assertTrue(repo.supports_rich_root())
 
599
 
 
600
    def test_add_fallback_repo_handles_absolute_urls(self):
 
601
        stack_on = self.make_branch('stack_on', format='1.6')
 
602
        repo = self.make_repository('repo', format='1.6')
 
603
        policy = bzrdir.UseExistingRepository(repo, stack_on.base)
 
604
        policy._add_fallback(repo)
 
605
 
 
606
    def test_add_fallback_repo_handles_relative_urls(self):
 
607
        stack_on = self.make_branch('stack_on', format='1.6')
 
608
        repo = self.make_repository('repo', format='1.6')
 
609
        policy = bzrdir.UseExistingRepository(repo, '.', stack_on.base)
 
610
        policy._add_fallback(repo)
 
611
 
 
612
    def test_configure_relative_branch_stacking_url(self):
 
613
        stack_on = self.make_branch('stack_on', format='1.6')
 
614
        stacked = self.make_branch('stack_on/stacked', format='1.6')
 
615
        policy = bzrdir.UseExistingRepository(stacked.repository,
 
616
            '.', stack_on.base)
 
617
        policy.configure_branch(stacked)
 
618
        self.assertEqual('..', stacked.get_stacked_on_url())
 
619
 
 
620
    def test_relative_branch_stacking_to_absolute(self):
 
621
        stack_on = self.make_branch('stack_on', format='1.6')
 
622
        stacked = self.make_branch('stack_on/stacked', format='1.6')
 
623
        policy = bzrdir.UseExistingRepository(stacked.repository,
 
624
            '.', self.get_readonly_url('stack_on'))
 
625
        policy.configure_branch(stacked)
 
626
        self.assertEqual(self.get_readonly_url('stack_on'),
 
627
                         stacked.get_stacked_on_url())
 
628
 
 
629
 
 
630
class ChrootedTests(TestCaseWithTransport):
 
631
    """A support class that provides readonly urls outside the local namespace.
 
632
 
 
633
    This is done by checking if self.transport_server is a MemoryServer. if it
 
634
    is then we are chrooted already, if it is not then an HttpServer is used
 
635
    for readonly urls.
 
636
    """
 
637
 
 
638
    def setUp(self):
 
639
        super(ChrootedTests, self).setUp()
 
640
        if not self.vfs_transport_factory == memory.MemoryServer:
 
641
            self.transport_readonly_server = http_server.HttpServer
 
642
 
 
643
    def local_branch_path(self, branch):
 
644
         return os.path.realpath(urlutils.local_path_from_url(branch.base))
 
645
 
 
646
    def test_open_containing(self):
 
647
        self.assertRaises(NotBranchError, bzrdir.BzrDir.open_containing,
 
648
                          self.get_readonly_url(''))
 
649
        self.assertRaises(NotBranchError, bzrdir.BzrDir.open_containing,
 
650
                          self.get_readonly_url('g/p/q'))
 
651
        control = bzrdir.BzrDir.create(self.get_url())
 
652
        branch, relpath = bzrdir.BzrDir.open_containing(self.get_readonly_url(''))
 
653
        self.assertEqual('', relpath)
 
654
        branch, relpath = bzrdir.BzrDir.open_containing(self.get_readonly_url('g/p/q'))
 
655
        self.assertEqual('g/p/q', relpath)
 
656
 
 
657
    def test_open_containing_tree_branch_or_repository_empty(self):
 
658
        self.assertRaises(errors.NotBranchError,
 
659
            bzrdir.BzrDir.open_containing_tree_branch_or_repository,
 
660
            self.get_readonly_url(''))
 
661
 
 
662
    def test_open_containing_tree_branch_or_repository_all(self):
 
663
        self.make_branch_and_tree('topdir')
 
664
        tree, branch, repo, relpath = \
 
665
            bzrdir.BzrDir.open_containing_tree_branch_or_repository(
 
666
                'topdir/foo')
 
667
        self.assertEqual(os.path.realpath('topdir'),
 
668
                         os.path.realpath(tree.basedir))
 
669
        self.assertEqual(os.path.realpath('topdir'),
 
670
                         self.local_branch_path(branch))
 
671
        self.assertEqual(
 
672
            osutils.realpath(os.path.join('topdir', '.bzr', 'repository')),
 
673
            repo.bzrdir.transport.local_abspath('repository'))
 
674
        self.assertEqual(relpath, 'foo')
 
675
 
 
676
    def test_open_containing_tree_branch_or_repository_no_tree(self):
 
677
        self.make_branch('branch')
 
678
        tree, branch, repo, relpath = \
 
679
            bzrdir.BzrDir.open_containing_tree_branch_or_repository(
 
680
                'branch/foo')
 
681
        self.assertEqual(tree, None)
 
682
        self.assertEqual(os.path.realpath('branch'),
 
683
                         self.local_branch_path(branch))
 
684
        self.assertEqual(
 
685
            osutils.realpath(os.path.join('branch', '.bzr', 'repository')),
 
686
            repo.bzrdir.transport.local_abspath('repository'))
 
687
        self.assertEqual(relpath, 'foo')
 
688
 
 
689
    def test_open_containing_tree_branch_or_repository_repo(self):
 
690
        self.make_repository('repo')
 
691
        tree, branch, repo, relpath = \
 
692
            bzrdir.BzrDir.open_containing_tree_branch_or_repository(
 
693
                'repo')
 
694
        self.assertEqual(tree, None)
 
695
        self.assertEqual(branch, None)
 
696
        self.assertEqual(
 
697
            osutils.realpath(os.path.join('repo', '.bzr', 'repository')),
 
698
            repo.bzrdir.transport.local_abspath('repository'))
 
699
        self.assertEqual(relpath, '')
 
700
 
 
701
    def test_open_containing_tree_branch_or_repository_shared_repo(self):
 
702
        self.make_repository('shared', shared=True)
 
703
        bzrdir.BzrDir.create_branch_convenience('shared/branch',
 
704
                                                force_new_tree=False)
 
705
        tree, branch, repo, relpath = \
 
706
            bzrdir.BzrDir.open_containing_tree_branch_or_repository(
 
707
                'shared/branch')
 
708
        self.assertEqual(tree, None)
 
709
        self.assertEqual(os.path.realpath('shared/branch'),
 
710
                         self.local_branch_path(branch))
 
711
        self.assertEqual(
 
712
            osutils.realpath(os.path.join('shared', '.bzr', 'repository')),
 
713
            repo.bzrdir.transport.local_abspath('repository'))
 
714
        self.assertEqual(relpath, '')
 
715
 
 
716
    def test_open_containing_tree_branch_or_repository_branch_subdir(self):
 
717
        self.make_branch_and_tree('foo')
 
718
        self.build_tree(['foo/bar/'])
 
719
        tree, branch, repo, relpath = \
 
720
            bzrdir.BzrDir.open_containing_tree_branch_or_repository(
 
721
                'foo/bar')
 
722
        self.assertEqual(os.path.realpath('foo'),
 
723
                         os.path.realpath(tree.basedir))
 
724
        self.assertEqual(os.path.realpath('foo'),
 
725
                         self.local_branch_path(branch))
 
726
        self.assertEqual(
 
727
            osutils.realpath(os.path.join('foo', '.bzr', 'repository')),
 
728
            repo.bzrdir.transport.local_abspath('repository'))
 
729
        self.assertEqual(relpath, 'bar')
 
730
 
 
731
    def test_open_containing_tree_branch_or_repository_repo_subdir(self):
 
732
        self.make_repository('bar')
 
733
        self.build_tree(['bar/baz/'])
 
734
        tree, branch, repo, relpath = \
 
735
            bzrdir.BzrDir.open_containing_tree_branch_or_repository(
 
736
                'bar/baz')
 
737
        self.assertEqual(tree, None)
 
738
        self.assertEqual(branch, None)
 
739
        self.assertEqual(
 
740
            osutils.realpath(os.path.join('bar', '.bzr', 'repository')),
 
741
            repo.bzrdir.transport.local_abspath('repository'))
 
742
        self.assertEqual(relpath, 'baz')
 
743
 
 
744
    def test_open_containing_from_transport(self):
 
745
        self.assertRaises(NotBranchError,
 
746
            bzrdir.BzrDir.open_containing_from_transport,
 
747
            _mod_transport.get_transport_from_url(self.get_readonly_url('')))
 
748
        self.assertRaises(NotBranchError,
 
749
            bzrdir.BzrDir.open_containing_from_transport,
 
750
            _mod_transport.get_transport_from_url(
 
751
                self.get_readonly_url('g/p/q')))
 
752
        control = bzrdir.BzrDir.create(self.get_url())
 
753
        branch, relpath = bzrdir.BzrDir.open_containing_from_transport(
 
754
            _mod_transport.get_transport_from_url(
 
755
                self.get_readonly_url('')))
 
756
        self.assertEqual('', relpath)
 
757
        branch, relpath = bzrdir.BzrDir.open_containing_from_transport(
 
758
            _mod_transport.get_transport_from_url(
 
759
                self.get_readonly_url('g/p/q')))
 
760
        self.assertEqual('g/p/q', relpath)
 
761
 
 
762
    def test_open_containing_tree_or_branch(self):
 
763
        self.make_branch_and_tree('topdir')
 
764
        tree, branch, relpath = bzrdir.BzrDir.open_containing_tree_or_branch(
 
765
            'topdir/foo')
 
766
        self.assertEqual(os.path.realpath('topdir'),
 
767
                         os.path.realpath(tree.basedir))
 
768
        self.assertEqual(os.path.realpath('topdir'),
 
769
                         self.local_branch_path(branch))
 
770
        self.assertIs(tree.bzrdir, branch.bzrdir)
 
771
        self.assertEqual('foo', relpath)
 
772
        # opening from non-local should not return the tree
 
773
        tree, branch, relpath = bzrdir.BzrDir.open_containing_tree_or_branch(
 
774
            self.get_readonly_url('topdir/foo'))
 
775
        self.assertEqual(None, tree)
 
776
        self.assertEqual('foo', relpath)
 
777
        # without a tree:
 
778
        self.make_branch('topdir/foo')
 
779
        tree, branch, relpath = bzrdir.BzrDir.open_containing_tree_or_branch(
 
780
            'topdir/foo')
 
781
        self.assertIs(tree, None)
 
782
        self.assertEqual(os.path.realpath('topdir/foo'),
 
783
                         self.local_branch_path(branch))
 
784
        self.assertEqual('', relpath)
 
785
 
 
786
    def test_open_tree_or_branch(self):
 
787
        self.make_branch_and_tree('topdir')
 
788
        tree, branch = bzrdir.BzrDir.open_tree_or_branch('topdir')
 
789
        self.assertEqual(os.path.realpath('topdir'),
 
790
                         os.path.realpath(tree.basedir))
 
791
        self.assertEqual(os.path.realpath('topdir'),
 
792
                         self.local_branch_path(branch))
 
793
        self.assertIs(tree.bzrdir, branch.bzrdir)
 
794
        # opening from non-local should not return the tree
 
795
        tree, branch = bzrdir.BzrDir.open_tree_or_branch(
 
796
            self.get_readonly_url('topdir'))
 
797
        self.assertEqual(None, tree)
 
798
        # without a tree:
 
799
        self.make_branch('topdir/foo')
 
800
        tree, branch = bzrdir.BzrDir.open_tree_or_branch('topdir/foo')
 
801
        self.assertIs(tree, None)
 
802
        self.assertEqual(os.path.realpath('topdir/foo'),
 
803
                         self.local_branch_path(branch))
 
804
 
 
805
    def test_open_from_transport(self):
 
806
        # transport pointing at bzrdir should give a bzrdir with root transport
 
807
        # set to the given transport
 
808
        control = bzrdir.BzrDir.create(self.get_url())
 
809
        t = self.get_transport()
 
810
        opened_bzrdir = bzrdir.BzrDir.open_from_transport(t)
 
811
        self.assertEqual(t.base, opened_bzrdir.root_transport.base)
 
812
        self.assertIsInstance(opened_bzrdir, bzrdir.BzrDir)
 
813
 
 
814
    def test_open_from_transport_no_bzrdir(self):
 
815
        t = self.get_transport()
 
816
        self.assertRaises(NotBranchError, bzrdir.BzrDir.open_from_transport, t)
 
817
 
 
818
    def test_open_from_transport_bzrdir_in_parent(self):
 
819
        control = bzrdir.BzrDir.create(self.get_url())
 
820
        t = self.get_transport()
 
821
        t.mkdir('subdir')
 
822
        t = t.clone('subdir')
 
823
        self.assertRaises(NotBranchError, bzrdir.BzrDir.open_from_transport, t)
 
824
 
 
825
    def test_sprout_recursive(self):
 
826
        tree = self.make_branch_and_tree('tree1',
 
827
                                         format='dirstate-with-subtree')
 
828
        sub_tree = self.make_branch_and_tree('tree1/subtree',
 
829
            format='dirstate-with-subtree')
 
830
        sub_tree.set_root_id('subtree-root')
 
831
        tree.add_reference(sub_tree)
 
832
        self.build_tree(['tree1/subtree/file'])
 
833
        sub_tree.add('file')
 
834
        tree.commit('Initial commit')
 
835
        tree2 = tree.bzrdir.sprout('tree2').open_workingtree()
 
836
        tree2.lock_read()
 
837
        self.addCleanup(tree2.unlock)
 
838
        self.assertPathExists('tree2/subtree/file')
 
839
        self.assertEqual('tree-reference', tree2.kind('subtree-root'))
 
840
 
 
841
    def test_cloning_metadir(self):
 
842
        """Ensure that cloning metadir is suitable"""
 
843
        bzrdir = self.make_bzrdir('bzrdir')
 
844
        bzrdir.cloning_metadir()
 
845
        branch = self.make_branch('branch', format='knit')
 
846
        format = branch.bzrdir.cloning_metadir()
 
847
        self.assertIsInstance(format.workingtree_format,
 
848
            workingtree_4.WorkingTreeFormat6)
 
849
 
 
850
    def test_sprout_recursive_treeless(self):
 
851
        tree = self.make_branch_and_tree('tree1',
 
852
            format='dirstate-with-subtree')
 
853
        sub_tree = self.make_branch_and_tree('tree1/subtree',
 
854
            format='dirstate-with-subtree')
 
855
        tree.add_reference(sub_tree)
 
856
        self.build_tree(['tree1/subtree/file'])
 
857
        sub_tree.add('file')
 
858
        tree.commit('Initial commit')
 
859
        # The following line force the orhaning to reveal bug #634470
 
860
        tree.branch.get_config().set_user_option(
 
861
            'bzr.transform.orphan_policy', 'move')
 
862
        tree.bzrdir.destroy_workingtree()
 
863
        # FIXME: subtree/.bzr is left here which allows the test to pass (or
 
864
        # fail :-( ) -- vila 20100909
 
865
        repo = self.make_repository('repo', shared=True,
 
866
            format='dirstate-with-subtree')
 
867
        repo.set_make_working_trees(False)
 
868
        # FIXME: we just deleted the workingtree and now we want to use it ????
 
869
        # At a minimum, we should use tree.branch below (but this fails too
 
870
        # currently) or stop calling this test 'treeless'. Specifically, I've
 
871
        # turn the line below into an assertRaises when 'subtree/.bzr' is
 
872
        # orphaned and sprout tries to access the branch there (which is left
 
873
        # by bzrdir.BzrDirMeta1.destroy_workingtree when it ignores the
 
874
        # [DeletingParent('Not deleting', u'subtree', None)] conflict). See bug
 
875
        # #634470.  -- vila 20100909
 
876
        self.assertRaises(errors.NotBranchError,
 
877
                          tree.bzrdir.sprout, 'repo/tree2')
 
878
#        self.assertPathExists('repo/tree2/subtree')
 
879
#        self.assertPathDoesNotExist('repo/tree2/subtree/file')
 
880
 
 
881
    def make_foo_bar_baz(self):
 
882
        foo = bzrdir.BzrDir.create_branch_convenience('foo').bzrdir
 
883
        bar = self.make_branch('foo/bar').bzrdir
 
884
        baz = self.make_branch('baz').bzrdir
 
885
        return foo, bar, baz
 
886
 
 
887
    def test_find_bzrdirs(self):
 
888
        foo, bar, baz = self.make_foo_bar_baz()
 
889
        t = self.get_transport()
 
890
        self.assertEqualBzrdirs([baz, foo, bar], bzrdir.BzrDir.find_bzrdirs(t))
 
891
 
 
892
    def make_fake_permission_denied_transport(self, transport, paths):
 
893
        """Create a transport that raises PermissionDenied for some paths."""
 
894
        def filter(path):
 
895
            if path in paths:
 
896
                raise errors.PermissionDenied(path)
 
897
            return path
 
898
        path_filter_server = pathfilter.PathFilteringServer(transport, filter)
 
899
        path_filter_server.start_server()
 
900
        self.addCleanup(path_filter_server.stop_server)
 
901
        path_filter_transport = pathfilter.PathFilteringTransport(
 
902
            path_filter_server, '.')
 
903
        return (path_filter_server, path_filter_transport)
 
904
 
 
905
    def assertBranchUrlsEndWith(self, expect_url_suffix, actual_bzrdirs):
 
906
        """Check that each branch url ends with the given suffix."""
 
907
        for actual_bzrdir in actual_bzrdirs:
 
908
            self.assertEndsWith(actual_bzrdir.user_url, expect_url_suffix)
 
909
 
 
910
    def test_find_bzrdirs_permission_denied(self):
 
911
        foo, bar, baz = self.make_foo_bar_baz()
 
912
        t = self.get_transport()
 
913
        path_filter_server, path_filter_transport = \
 
914
            self.make_fake_permission_denied_transport(t, ['foo'])
 
915
        # local transport
 
916
        self.assertBranchUrlsEndWith('/baz/',
 
917
            bzrdir.BzrDir.find_bzrdirs(path_filter_transport))
 
918
        # smart server
 
919
        smart_transport = self.make_smart_server('.',
 
920
            backing_server=path_filter_server)
 
921
        self.assertBranchUrlsEndWith('/baz/',
 
922
            bzrdir.BzrDir.find_bzrdirs(smart_transport))
 
923
 
 
924
    def test_find_bzrdirs_list_current(self):
 
925
        def list_current(transport):
 
926
            return [s for s in transport.list_dir('') if s != 'baz']
 
927
 
 
928
        foo, bar, baz = self.make_foo_bar_baz()
 
929
        t = self.get_transport()
 
930
        self.assertEqualBzrdirs(
 
931
            [foo, bar],
 
932
            bzrdir.BzrDir.find_bzrdirs(t, list_current=list_current))
 
933
 
 
934
    def test_find_bzrdirs_evaluate(self):
 
935
        def evaluate(bzrdir):
 
936
            try:
 
937
                repo = bzrdir.open_repository()
 
938
            except errors.NoRepositoryPresent:
 
939
                return True, bzrdir.root_transport.base
 
940
            else:
 
941
                return False, bzrdir.root_transport.base
 
942
 
 
943
        foo, bar, baz = self.make_foo_bar_baz()
 
944
        t = self.get_transport()
 
945
        self.assertEqual([baz.root_transport.base, foo.root_transport.base],
 
946
                         list(bzrdir.BzrDir.find_bzrdirs(t, evaluate=evaluate)))
 
947
 
 
948
    def assertEqualBzrdirs(self, first, second):
 
949
        first = list(first)
 
950
        second = list(second)
 
951
        self.assertEqual(len(first), len(second))
 
952
        for x, y in zip(first, second):
 
953
            self.assertEqual(x.root_transport.base, y.root_transport.base)
 
954
 
 
955
    def test_find_branches(self):
 
956
        root = self.make_repository('', shared=True)
 
957
        foo, bar, baz = self.make_foo_bar_baz()
 
958
        qux = self.make_bzrdir('foo/qux')
 
959
        t = self.get_transport()
 
960
        branches = bzrdir.BzrDir.find_branches(t)
 
961
        self.assertEqual(baz.root_transport.base, branches[0].base)
 
962
        self.assertEqual(foo.root_transport.base, branches[1].base)
 
963
        self.assertEqual(bar.root_transport.base, branches[2].base)
 
964
 
 
965
        # ensure this works without a top-level repo
 
966
        branches = bzrdir.BzrDir.find_branches(t.clone('foo'))
 
967
        self.assertEqual(foo.root_transport.base, branches[0].base)
 
968
        self.assertEqual(bar.root_transport.base, branches[1].base)
 
969
 
 
970
 
 
971
class TestMissingRepoBranchesSkipped(TestCaseWithMemoryTransport):
 
972
 
 
973
    def test_find_bzrdirs_missing_repo(self):
 
974
        t = self.get_transport()
 
975
        arepo = self.make_repository('arepo', shared=True)
 
976
        abranch_url = arepo.user_url + '/abranch'
 
977
        abranch = bzrdir.BzrDir.create(abranch_url).create_branch()
 
978
        t.delete_tree('arepo/.bzr')
 
979
        self.assertRaises(errors.NoRepositoryPresent,
 
980
            branch.Branch.open, abranch_url)
 
981
        self.make_branch('baz')
 
982
        for actual_bzrdir in bzrdir.BzrDir.find_branches(t):
 
983
            self.assertEndsWith(actual_bzrdir.user_url, '/baz/')
 
984
 
 
985
 
 
986
class TestMeta1DirFormat(TestCaseWithTransport):
 
987
    """Tests specific to the meta1 dir format."""
 
988
 
 
989
    def test_right_base_dirs(self):
 
990
        dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
 
991
        t = dir.transport
 
992
        branch_base = t.clone('branch').base
 
993
        self.assertEqual(branch_base, dir.get_branch_transport(None).base)
 
994
        self.assertEqual(branch_base,
 
995
                         dir.get_branch_transport(bzrlib.branch.BzrBranchFormat5()).base)
 
996
        repository_base = t.clone('repository').base
 
997
        self.assertEqual(repository_base, dir.get_repository_transport(None).base)
 
998
        repository_format = repository.format_registry.get_default()
 
999
        self.assertEqual(repository_base,
 
1000
                         dir.get_repository_transport(repository_format).base)
 
1001
        checkout_base = t.clone('checkout').base
 
1002
        self.assertEqual(checkout_base, dir.get_workingtree_transport(None).base)
 
1003
        self.assertEqual(checkout_base,
 
1004
                         dir.get_workingtree_transport(workingtree_3.WorkingTreeFormat3()).base)
 
1005
 
 
1006
    def test_meta1dir_uses_lockdir(self):
 
1007
        """Meta1 format uses a LockDir to guard the whole directory, not a file."""
 
1008
        dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
 
1009
        t = dir.transport
 
1010
        self.assertIsDirectory('branch-lock', t)
 
1011
 
 
1012
    def test_comparison(self):
 
1013
        """Equality and inequality behave properly.
 
1014
 
 
1015
        Metadirs should compare equal iff they have the same repo, branch and
 
1016
        tree formats.
 
1017
        """
 
1018
        mydir = bzrdir.format_registry.make_bzrdir('knit')
 
1019
        self.assertEqual(mydir, mydir)
 
1020
        self.assertFalse(mydir != mydir)
 
1021
        otherdir = bzrdir.format_registry.make_bzrdir('knit')
 
1022
        self.assertEqual(otherdir, mydir)
 
1023
        self.assertFalse(otherdir != mydir)
 
1024
        otherdir2 = bzrdir.format_registry.make_bzrdir('dirstate-with-subtree')
 
1025
        self.assertNotEqual(otherdir2, mydir)
 
1026
        self.assertFalse(otherdir2 == mydir)
 
1027
 
 
1028
    def test_needs_conversion_different_working_tree(self):
 
1029
        # meta1dirs need an conversion if any element is not the default.
 
1030
        new_format = bzrdir.format_registry.make_bzrdir('dirstate')
 
1031
        tree = self.make_branch_and_tree('tree', format='knit')
 
1032
        self.assertTrue(tree.bzrdir.needs_format_conversion(
 
1033
            new_format))
 
1034
 
 
1035
    def test_initialize_on_format_uses_smart_transport(self):
 
1036
        self.setup_smart_server_with_call_log()
 
1037
        new_format = bzrdir.format_registry.make_bzrdir('dirstate')
 
1038
        transport = self.get_transport('target')
 
1039
        transport.ensure_base()
 
1040
        self.reset_smart_call_log()
 
1041
        instance = new_format.initialize_on_transport(transport)
 
1042
        self.assertIsInstance(instance, remote.RemoteBzrDir)
 
1043
        rpc_count = len(self.hpss_calls)
 
1044
        # This figure represent the amount of work to perform this use case. It
 
1045
        # is entirely ok to reduce this number if a test fails due to rpc_count
 
1046
        # being too low. If rpc_count increases, more network roundtrips have
 
1047
        # become necessary for this use case. Please do not adjust this number
 
1048
        # upwards without agreement from bzr's network support maintainers.
 
1049
        self.assertEqual(2, rpc_count)
 
1050
 
 
1051
 
 
1052
class NonLocalTests(TestCaseWithTransport):
 
1053
    """Tests for bzrdir static behaviour on non local paths."""
 
1054
 
 
1055
    def setUp(self):
 
1056
        super(NonLocalTests, self).setUp()
 
1057
        self.vfs_transport_factory = memory.MemoryServer
 
1058
 
 
1059
    def test_create_branch_convenience(self):
 
1060
        # outside a repo the default convenience output is a repo+branch_tree
 
1061
        format = bzrdir.format_registry.make_bzrdir('knit')
 
1062
        branch = bzrdir.BzrDir.create_branch_convenience(
 
1063
            self.get_url('foo'), format=format)
 
1064
        self.assertRaises(errors.NoWorkingTree,
 
1065
                          branch.bzrdir.open_workingtree)
 
1066
        branch.bzrdir.open_repository()
 
1067
 
 
1068
    def test_create_branch_convenience_force_tree_not_local_fails(self):
 
1069
        # outside a repo the default convenience output is a repo+branch_tree
 
1070
        format = bzrdir.format_registry.make_bzrdir('knit')
 
1071
        self.assertRaises(errors.NotLocalUrl,
 
1072
            bzrdir.BzrDir.create_branch_convenience,
 
1073
            self.get_url('foo'),
 
1074
            force_new_tree=True,
 
1075
            format=format)
 
1076
        t = self.get_transport()
 
1077
        self.assertFalse(t.has('foo'))
 
1078
 
 
1079
    def test_clone(self):
 
1080
        # clone into a nonlocal path works
 
1081
        format = bzrdir.format_registry.make_bzrdir('knit')
 
1082
        branch = bzrdir.BzrDir.create_branch_convenience('local',
 
1083
                                                         format=format)
 
1084
        branch.bzrdir.open_workingtree()
 
1085
        result = branch.bzrdir.clone(self.get_url('remote'))
 
1086
        self.assertRaises(errors.NoWorkingTree,
 
1087
                          result.open_workingtree)
 
1088
        result.open_branch()
 
1089
        result.open_repository()
 
1090
 
 
1091
    def test_checkout_metadir(self):
 
1092
        # checkout_metadir has reasonable working tree format even when no
 
1093
        # working tree is present
 
1094
        self.make_branch('branch-knit2', format='dirstate-with-subtree')
 
1095
        my_bzrdir = bzrdir.BzrDir.open(self.get_url('branch-knit2'))
 
1096
        checkout_format = my_bzrdir.checkout_metadir()
 
1097
        self.assertIsInstance(checkout_format.workingtree_format,
 
1098
                              workingtree_4.WorkingTreeFormat4)
 
1099
 
 
1100
 
 
1101
class TestHTTPRedirections(object):
 
1102
    """Test redirection between two http servers.
 
1103
 
 
1104
    This MUST be used by daughter classes that also inherit from
 
1105
    TestCaseWithTwoWebservers.
 
1106
 
 
1107
    We can't inherit directly from TestCaseWithTwoWebservers or the
 
1108
    test framework will try to create an instance which cannot
 
1109
    run, its implementation being incomplete.
 
1110
    """
 
1111
 
 
1112
    def create_transport_readonly_server(self):
 
1113
        # We don't set the http protocol version, relying on the default
 
1114
        return http_utils.HTTPServerRedirecting()
 
1115
 
 
1116
    def create_transport_secondary_server(self):
 
1117
        # We don't set the http protocol version, relying on the default
 
1118
        return http_utils.HTTPServerRedirecting()
 
1119
 
 
1120
    def setUp(self):
 
1121
        super(TestHTTPRedirections, self).setUp()
 
1122
        # The redirections will point to the new server
 
1123
        self.new_server = self.get_readonly_server()
 
1124
        # The requests to the old server will be redirected
 
1125
        self.old_server = self.get_secondary_server()
 
1126
        # Configure the redirections
 
1127
        self.old_server.redirect_to(self.new_server.host, self.new_server.port)
 
1128
 
 
1129
    def test_loop(self):
 
1130
        # Both servers redirect to each other creating a loop
 
1131
        self.new_server.redirect_to(self.old_server.host, self.old_server.port)
 
1132
        # Starting from either server should loop
 
1133
        old_url = self._qualified_url(self.old_server.host,
 
1134
                                      self.old_server.port)
 
1135
        oldt = self._transport(old_url)
 
1136
        self.assertRaises(errors.NotBranchError,
 
1137
                          bzrdir.BzrDir.open_from_transport, oldt)
 
1138
        new_url = self._qualified_url(self.new_server.host,
 
1139
                                      self.new_server.port)
 
1140
        newt = self._transport(new_url)
 
1141
        self.assertRaises(errors.NotBranchError,
 
1142
                          bzrdir.BzrDir.open_from_transport, newt)
 
1143
 
 
1144
    def test_qualifier_preserved(self):
 
1145
        wt = self.make_branch_and_tree('branch')
 
1146
        old_url = self._qualified_url(self.old_server.host,
 
1147
                                      self.old_server.port)
 
1148
        start = self._transport(old_url).clone('branch')
 
1149
        bdir = bzrdir.BzrDir.open_from_transport(start)
 
1150
        # Redirection should preserve the qualifier, hence the transport class
 
1151
        # itself.
 
1152
        self.assertIsInstance(bdir.root_transport, type(start))
 
1153
 
 
1154
 
 
1155
class TestHTTPRedirections_urllib(TestHTTPRedirections,
 
1156
                                  http_utils.TestCaseWithTwoWebservers):
 
1157
    """Tests redirections for urllib implementation"""
 
1158
 
 
1159
    _transport = HttpTransport_urllib
 
1160
 
 
1161
    def _qualified_url(self, host, port):
 
1162
        result = 'http+urllib://%s:%s' % (host, port)
 
1163
        self.permit_url(result)
 
1164
        return result
 
1165
 
 
1166
 
 
1167
 
 
1168
class TestHTTPRedirections_pycurl(TestWithTransport_pycurl,
 
1169
                                  TestHTTPRedirections,
 
1170
                                  http_utils.TestCaseWithTwoWebservers):
 
1171
    """Tests redirections for pycurl implementation"""
 
1172
 
 
1173
    def _qualified_url(self, host, port):
 
1174
        result = 'http+pycurl://%s:%s' % (host, port)
 
1175
        self.permit_url(result)
 
1176
        return result
 
1177
 
 
1178
 
 
1179
class TestHTTPRedirections_nosmart(TestHTTPRedirections,
 
1180
                                  http_utils.TestCaseWithTwoWebservers):
 
1181
    """Tests redirections for the nosmart decorator"""
 
1182
 
 
1183
    _transport = NoSmartTransportDecorator
 
1184
 
 
1185
    def _qualified_url(self, host, port):
 
1186
        result = 'nosmart+http://%s:%s' % (host, port)
 
1187
        self.permit_url(result)
 
1188
        return result
 
1189
 
 
1190
 
 
1191
class TestHTTPRedirections_readonly(TestHTTPRedirections,
 
1192
                                    http_utils.TestCaseWithTwoWebservers):
 
1193
    """Tests redirections for readonly decoratror"""
 
1194
 
 
1195
    _transport = ReadonlyTransportDecorator
 
1196
 
 
1197
    def _qualified_url(self, host, port):
 
1198
        result = 'readonly+http://%s:%s' % (host, port)
 
1199
        self.permit_url(result)
 
1200
        return result
 
1201
 
 
1202
 
 
1203
class TestDotBzrHidden(TestCaseWithTransport):
 
1204
 
 
1205
    ls = ['ls']
 
1206
    if sys.platform == 'win32':
 
1207
        ls = [os.environ['COMSPEC'], '/C', 'dir', '/B']
 
1208
 
 
1209
    def get_ls(self):
 
1210
        f = subprocess.Popen(self.ls, stdout=subprocess.PIPE,
 
1211
            stderr=subprocess.PIPE)
 
1212
        out, err = f.communicate()
 
1213
        self.assertEqual(0, f.returncode, 'Calling %s failed: %s'
 
1214
                         % (self.ls, err))
 
1215
        return out.splitlines()
 
1216
 
 
1217
    def test_dot_bzr_hidden(self):
 
1218
        if sys.platform == 'win32' and not win32utils.has_win32file:
 
1219
            raise TestSkipped('unable to make file hidden without pywin32 library')
 
1220
        b = bzrdir.BzrDir.create('.')
 
1221
        self.build_tree(['a'])
 
1222
        self.assertEquals(['a'], self.get_ls())
 
1223
 
 
1224
    def test_dot_bzr_hidden_with_url(self):
 
1225
        if sys.platform == 'win32' and not win32utils.has_win32file:
 
1226
            raise TestSkipped('unable to make file hidden without pywin32 library')
 
1227
        b = bzrdir.BzrDir.create(urlutils.local_path_to_url('.'))
 
1228
        self.build_tree(['a'])
 
1229
        self.assertEquals(['a'], self.get_ls())
 
1230
 
 
1231
 
 
1232
class _TestBzrDirFormat(bzrdir.BzrDirMetaFormat1):
 
1233
    """Test BzrDirFormat implementation for TestBzrDirSprout."""
 
1234
 
 
1235
    def _open(self, transport):
 
1236
        return _TestBzrDir(transport, self)
 
1237
 
 
1238
 
 
1239
class _TestBzrDir(bzrdir.BzrDirMeta1):
 
1240
    """Test BzrDir implementation for TestBzrDirSprout.
 
1241
 
 
1242
    When created a _TestBzrDir already has repository and a branch.  The branch
 
1243
    is a test double as well.
 
1244
    """
 
1245
 
 
1246
    def __init__(self, *args, **kwargs):
 
1247
        super(_TestBzrDir, self).__init__(*args, **kwargs)
 
1248
        self.test_branch = _TestBranch(self.transport)
 
1249
        self.test_branch.repository = self.create_repository()
 
1250
 
 
1251
    def open_branch(self, unsupported=False, possible_transports=None):
 
1252
        return self.test_branch
 
1253
 
 
1254
    def cloning_metadir(self, require_stacking=False):
 
1255
        return _TestBzrDirFormat()
 
1256
 
 
1257
 
 
1258
class _TestBranchFormat(bzrlib.branch.BranchFormat):
 
1259
    """Test Branch format for TestBzrDirSprout."""
 
1260
 
 
1261
 
 
1262
class _TestBranch(bzrlib.branch.Branch):
 
1263
    """Test Branch implementation for TestBzrDirSprout."""
 
1264
 
 
1265
    def __init__(self, transport, *args, **kwargs):
 
1266
        self._format = _TestBranchFormat()
 
1267
        self._transport = transport
 
1268
        self.base = transport.base
 
1269
        super(_TestBranch, self).__init__(*args, **kwargs)
 
1270
        self.calls = []
 
1271
        self._parent = None
 
1272
 
 
1273
    def sprout(self, *args, **kwargs):
 
1274
        self.calls.append('sprout')
 
1275
        return _TestBranch(self._transport)
 
1276
 
 
1277
    def copy_content_into(self, destination, revision_id=None):
 
1278
        self.calls.append('copy_content_into')
 
1279
 
 
1280
    def last_revision(self):
 
1281
        return _mod_revision.NULL_REVISION
 
1282
 
 
1283
    def get_parent(self):
 
1284
        return self._parent
 
1285
 
 
1286
    def _get_config(self):
 
1287
        return config.TransportConfig(self._transport, 'branch.conf')
 
1288
 
 
1289
    def set_parent(self, parent):
 
1290
        self._parent = parent
 
1291
 
 
1292
    def lock_read(self):
 
1293
        return lock.LogicalLockResult(self.unlock)
 
1294
 
 
1295
    def unlock(self):
 
1296
        return
 
1297
 
 
1298
 
 
1299
class TestBzrDirSprout(TestCaseWithMemoryTransport):
 
1300
 
 
1301
    def test_sprout_uses_branch_sprout(self):
 
1302
        """BzrDir.sprout calls Branch.sprout.
 
1303
 
 
1304
        Usually, BzrDir.sprout should delegate to the branch's sprout method
 
1305
        for part of the work.  This allows the source branch to control the
 
1306
        choice of format for the new branch.
 
1307
 
 
1308
        There are exceptions, but this tests avoids them:
 
1309
          - if there's no branch in the source bzrdir,
 
1310
          - or if the stacking has been requested and the format needs to be
 
1311
            overridden to satisfy that.
 
1312
        """
 
1313
        # Make an instrumented bzrdir.
 
1314
        t = self.get_transport('source')
 
1315
        t.ensure_base()
 
1316
        source_bzrdir = _TestBzrDirFormat().initialize_on_transport(t)
 
1317
        # The instrumented bzrdir has a test_branch attribute that logs calls
 
1318
        # made to the branch contained in that bzrdir.  Initially the test
 
1319
        # branch exists but no calls have been made to it.
 
1320
        self.assertEqual([], source_bzrdir.test_branch.calls)
 
1321
 
 
1322
        # Sprout the bzrdir
 
1323
        target_url = self.get_url('target')
 
1324
        result = source_bzrdir.sprout(target_url, recurse='no')
 
1325
 
 
1326
        # The bzrdir called the branch's sprout method.
 
1327
        self.assertSubset(['sprout'], source_bzrdir.test_branch.calls)
 
1328
 
 
1329
    def test_sprout_parent(self):
 
1330
        grandparent_tree = self.make_branch('grandparent')
 
1331
        parent = grandparent_tree.bzrdir.sprout('parent').open_branch()
 
1332
        branch_tree = parent.bzrdir.sprout('branch').open_branch()
 
1333
        self.assertContainsRe(branch_tree.get_parent(), '/parent/$')
 
1334
 
 
1335
 
 
1336
class TestBzrDirHooks(TestCaseWithMemoryTransport):
 
1337
 
 
1338
    def test_pre_open_called(self):
 
1339
        calls = []
 
1340
        bzrdir.BzrDir.hooks.install_named_hook('pre_open', calls.append, None)
 
1341
        transport = self.get_transport('foo')
 
1342
        url = transport.base
 
1343
        self.assertRaises(errors.NotBranchError, bzrdir.BzrDir.open, url)
 
1344
        self.assertEqual([transport.base], [t.base for t in calls])
 
1345
 
 
1346
    def test_pre_open_actual_exceptions_raised(self):
 
1347
        count = [0]
 
1348
        def fail_once(transport):
 
1349
            count[0] += 1
 
1350
            if count[0] == 1:
 
1351
                raise errors.BzrError("fail")
 
1352
        bzrdir.BzrDir.hooks.install_named_hook('pre_open', fail_once, None)
 
1353
        transport = self.get_transport('foo')
 
1354
        url = transport.base
 
1355
        err = self.assertRaises(errors.BzrError, bzrdir.BzrDir.open, url)
 
1356
        self.assertEqual('fail', err._preformatted_string)
 
1357
 
 
1358
    def test_post_repo_init(self):
 
1359
        from bzrlib.controldir import RepoInitHookParams
 
1360
        calls = []
 
1361
        bzrdir.BzrDir.hooks.install_named_hook('post_repo_init',
 
1362
            calls.append, None)
 
1363
        self.make_repository('foo')
 
1364
        self.assertLength(1, calls)
 
1365
        params = calls[0]
 
1366
        self.assertIsInstance(params, RepoInitHookParams)
 
1367
        self.assertTrue(hasattr(params, 'bzrdir'))
 
1368
        self.assertTrue(hasattr(params, 'repository'))
 
1369
 
 
1370
    def test_post_repo_init_hook_repr(self):
 
1371
        param_reprs = []
 
1372
        bzrdir.BzrDir.hooks.install_named_hook('post_repo_init',
 
1373
            lambda params: param_reprs.append(repr(params)), None)
 
1374
        self.make_repository('foo')
 
1375
        self.assertLength(1, param_reprs)
 
1376
        param_repr = param_reprs[0]
 
1377
        self.assertStartsWith(param_repr, '<RepoInitHookParams for ')
 
1378
 
 
1379
 
 
1380
class TestGenerateBackupName(TestCaseWithMemoryTransport):
 
1381
    # FIXME: This may need to be unified with test_osutils.TestBackupNames or
 
1382
    # moved to per_bzrdir or per_transport for better coverage ?
 
1383
    # -- vila 20100909
 
1384
 
 
1385
    def setUp(self):
 
1386
        super(TestGenerateBackupName, self).setUp()
 
1387
        self._transport = self.get_transport()
 
1388
        bzrdir.BzrDir.create(self.get_url(),
 
1389
            possible_transports=[self._transport])
 
1390
        self._bzrdir = bzrdir.BzrDir.open_from_transport(self._transport)
 
1391
 
 
1392
    def test_deprecated_generate_backup_name(self):
 
1393
        res = self.applyDeprecated(
 
1394
                symbol_versioning.deprecated_in((2, 3, 0)),
 
1395
                self._bzrdir.generate_backup_name, 'whatever')
 
1396
 
 
1397
    def test_new(self):
 
1398
        self.assertEqual("a.~1~", self._bzrdir._available_backup_name("a"))
 
1399
 
 
1400
    def test_exiting(self):
 
1401
        self._transport.put_bytes("a.~1~", "some content")
 
1402
        self.assertEqual("a.~2~", self._bzrdir._available_backup_name("a"))
 
1403
 
 
1404
 
 
1405
class TestMeta1DirColoFormat(TestCaseWithTransport):
 
1406
    """Tests specific to the meta1 dir with colocated branches format."""
 
1407
 
 
1408
    def test_supports_colo(self):
 
1409
        format = bzrdir.BzrDirMetaFormat1Colo()
 
1410
        self.assertTrue(format.colocated_branches)
 
1411
 
 
1412
    def test_upgrade_from_2a(self):
 
1413
        tree = self.make_branch_and_tree('.', format='2a')
 
1414
        format = bzrdir.BzrDirMetaFormat1Colo()
 
1415
        self.assertTrue(tree.bzrdir.needs_format_conversion(format))
 
1416
        converter = tree.bzrdir._format.get_converter(format)
 
1417
        result = converter.convert(tree.bzrdir, None)
 
1418
        self.assertIsInstance(result._format, bzrdir.BzrDirMetaFormat1Colo)
 
1419
        self.assertFalse(result.needs_format_conversion(format))
 
1420
 
 
1421
    def test_downgrade_to_2a(self):
 
1422
        tree = self.make_branch_and_tree('.', format='development-colo')
 
1423
        format = bzrdir.BzrDirMetaFormat1()
 
1424
        self.assertTrue(tree.bzrdir.needs_format_conversion(format))
 
1425
        converter = tree.bzrdir._format.get_converter(format)
 
1426
        result = converter.convert(tree.bzrdir, None)
 
1427
        self.assertIsInstance(result._format, bzrdir.BzrDirMetaFormat1)
 
1428
        self.assertFalse(result.needs_format_conversion(format))
 
1429
 
 
1430
    def test_downgrade_to_2a_too_many_branches(self):
 
1431
        tree = self.make_branch_and_tree('.', format='development-colo')
 
1432
        tree.bzrdir.create_branch(name="another-colocated-branch")
 
1433
        converter = tree.bzrdir._format.get_converter(
 
1434
            bzrdir.BzrDirMetaFormat1())
 
1435
        self.assertRaises(errors.BzrError, converter.convert, tree.bzrdir,
 
1436
            None)
 
1437