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  • Committer: Robert Collins
  • Date: 2007-07-25 00:52:21 UTC
  • mfrom: (2650 +trunk)
  • mto: This revision was merged to the branch mainline in revision 2651.
  • Revision ID: robertc@robertcollins.net-20070725005221-0ysm6il5mqnme3wz
Merge bzr.dev.

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1
    # Copyright (C) 2005, 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 BzrDir facility and any format specific tests.
 
18
 
 
19
For interface contract tests, see tests/bzr_dir_implementations.
 
20
"""
 
21
 
 
22
import os.path
 
23
from StringIO import StringIO
 
24
 
 
25
from bzrlib import (
 
26
    bzrdir,
 
27
    errors,
 
28
    help_topics,
 
29
    repository,
 
30
    symbol_versioning,
 
31
    urlutils,
 
32
    workingtree,
 
33
    )
 
34
import bzrlib.branch
 
35
from bzrlib.errors import (NotBranchError,
 
36
                           UnknownFormatError,
 
37
                           UnsupportedFormatError,
 
38
                           )
 
39
from bzrlib.tests import (
 
40
    TestCase,
 
41
    TestCaseWithTransport,
 
42
    test_sftp_transport
 
43
    )
 
44
from bzrlib.tests.HttpServer import HttpServer
 
45
from bzrlib.tests.HTTPTestUtil import (
 
46
    TestCaseWithTwoWebservers,
 
47
    HTTPServerRedirecting,
 
48
    )
 
49
from bzrlib.tests.test_http import TestWithTransport_pycurl
 
50
from bzrlib.transport import get_transport
 
51
from bzrlib.transport.http._urllib import HttpTransport_urllib
 
52
from bzrlib.transport.memory import MemoryServer
 
53
from bzrlib.repofmt import knitrepo, weaverepo
 
54
 
 
55
 
 
56
class TestDefaultFormat(TestCase):
 
57
 
 
58
    def test_get_set_default_format(self):
 
59
        old_format = bzrdir.BzrDirFormat.get_default_format()
 
60
        # default is BzrDirFormat6
 
61
        self.failUnless(isinstance(old_format, bzrdir.BzrDirMetaFormat1))
 
62
        self.applyDeprecated(symbol_versioning.zero_fourteen, 
 
63
                             bzrdir.BzrDirFormat.set_default_format, 
 
64
                             SampleBzrDirFormat())
 
65
        # creating a bzr dir should now create an instrumented dir.
 
66
        try:
 
67
            result = bzrdir.BzrDir.create('memory:///')
 
68
            self.failUnless(isinstance(result, SampleBzrDir))
 
69
        finally:
 
70
            self.applyDeprecated(symbol_versioning.zero_fourteen,
 
71
                bzrdir.BzrDirFormat.set_default_format, old_format)
 
72
        self.assertEqual(old_format, bzrdir.BzrDirFormat.get_default_format())
 
73
 
 
74
 
 
75
class TestFormatRegistry(TestCase):
 
76
 
 
77
    def make_format_registry(self):
 
78
        my_format_registry = bzrdir.BzrDirFormatRegistry()
 
79
        my_format_registry.register('weave', bzrdir.BzrDirFormat6,
 
80
            'Pre-0.8 format.  Slower and does not support checkouts or shared'
 
81
            ' repositories', deprecated=True)
 
82
        my_format_registry.register_lazy('lazy', 'bzrlib.bzrdir', 
 
83
            'BzrDirFormat6', 'Format registered lazily', deprecated=True)
 
84
        my_format_registry.register_metadir('knit',
 
85
            'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
 
86
            'Format using knits',
 
87
            )
 
88
        my_format_registry.set_default('knit')
 
89
        my_format_registry.register_metadir(
 
90
            'branch6',
 
91
            'bzrlib.repofmt.knitrepo.RepositoryFormatKnit3',
 
92
            'Experimental successor to knit.  Use at your own risk.',
 
93
            branch_format='bzrlib.branch.BzrBranchFormat6')
 
94
        my_format_registry.register_metadir(
 
95
            'hidden format',
 
96
            'bzrlib.repofmt.knitrepo.RepositoryFormatKnit3',
 
97
            'Experimental successor to knit.  Use at your own risk.',
 
98
            branch_format='bzrlib.branch.BzrBranchFormat6', hidden=True)
 
99
        my_format_registry.register('hiddenweave', bzrdir.BzrDirFormat6,
 
100
            'Pre-0.8 format.  Slower and does not support checkouts or shared'
 
101
            ' repositories', hidden=True)
 
102
        my_format_registry.register_lazy('hiddenlazy', 'bzrlib.bzrdir',
 
103
            'BzrDirFormat6', 'Format registered lazily', deprecated=True,
 
104
            hidden=True)
 
105
        return my_format_registry
 
106
 
 
107
    def test_format_registry(self):
 
108
        my_format_registry = self.make_format_registry()
 
109
        my_bzrdir = my_format_registry.make_bzrdir('lazy')
 
110
        self.assertIsInstance(my_bzrdir, bzrdir.BzrDirFormat6)
 
111
        my_bzrdir = my_format_registry.make_bzrdir('weave')
 
112
        self.assertIsInstance(my_bzrdir, bzrdir.BzrDirFormat6)
 
113
        my_bzrdir = my_format_registry.make_bzrdir('default')
 
114
        self.assertIsInstance(my_bzrdir.repository_format, 
 
115
            knitrepo.RepositoryFormatKnit1)
 
116
        my_bzrdir = my_format_registry.make_bzrdir('knit')
 
117
        self.assertIsInstance(my_bzrdir.repository_format, 
 
118
            knitrepo.RepositoryFormatKnit1)
 
119
        my_bzrdir = my_format_registry.make_bzrdir('branch6')
 
120
        self.assertIsInstance(my_bzrdir.get_branch_format(),
 
121
                              bzrlib.branch.BzrBranchFormat6)
 
122
 
 
123
    def test_get_help(self):
 
124
        my_format_registry = self.make_format_registry()
 
125
        self.assertEqual('Format registered lazily',
 
126
                         my_format_registry.get_help('lazy'))
 
127
        self.assertEqual('Format using knits', 
 
128
                         my_format_registry.get_help('knit'))
 
129
        self.assertEqual('Format using knits', 
 
130
                         my_format_registry.get_help('default'))
 
131
        self.assertEqual('Pre-0.8 format.  Slower and does not support'
 
132
                         ' checkouts or shared repositories', 
 
133
                         my_format_registry.get_help('weave'))
 
134
        
 
135
    def test_help_topic(self):
 
136
        topics = help_topics.HelpTopicRegistry()
 
137
        topics.register('formats', self.make_format_registry().help_topic, 
 
138
                        'Directory formats')
 
139
        topic = topics.get_detail('formats')
 
140
        new, deprecated = topic.split('Deprecated formats')
 
141
        self.assertContainsRe(new, 'Bazaar directory formats')
 
142
        self.assertContainsRe(new, 
 
143
            '  knit/default:\n    \(native\) Format using knits\n')
 
144
        self.assertContainsRe(deprecated, 
 
145
            '  lazy:\n    \(native\) Format registered lazily\n')
 
146
        self.assertNotContainsRe(new, 'hidden')
 
147
 
 
148
    def test_set_default_repository(self):
 
149
        default_factory = bzrdir.format_registry.get('default')
 
150
        old_default = [k for k, v in bzrdir.format_registry.iteritems()
 
151
                       if v == default_factory and k != 'default'][0]
 
152
        bzrdir.format_registry.set_default_repository('dirstate-with-subtree')
 
153
        try:
 
154
            self.assertIs(bzrdir.format_registry.get('dirstate-with-subtree'),
 
155
                          bzrdir.format_registry.get('default'))
 
156
            self.assertIs(
 
157
                repository.RepositoryFormat.get_default_format().__class__,
 
158
                knitrepo.RepositoryFormatKnit3)
 
159
        finally:
 
160
            bzrdir.format_registry.set_default_repository(old_default)
 
161
 
 
162
 
 
163
class SampleBranch(bzrlib.branch.Branch):
 
164
    """A dummy branch for guess what, dummy use."""
 
165
 
 
166
    def __init__(self, dir):
 
167
        self.bzrdir = dir
 
168
 
 
169
 
 
170
class SampleBzrDir(bzrdir.BzrDir):
 
171
    """A sample BzrDir implementation to allow testing static methods."""
 
172
 
 
173
    def create_repository(self, shared=False):
 
174
        """See BzrDir.create_repository."""
 
175
        return "A repository"
 
176
 
 
177
    def open_repository(self):
 
178
        """See BzrDir.open_repository."""
 
179
        return "A repository"
 
180
 
 
181
    def create_branch(self):
 
182
        """See BzrDir.create_branch."""
 
183
        return SampleBranch(self)
 
184
 
 
185
    def create_workingtree(self):
 
186
        """See BzrDir.create_workingtree."""
 
187
        return "A tree"
 
188
 
 
189
 
 
190
class SampleBzrDirFormat(bzrdir.BzrDirFormat):
 
191
    """A sample format
 
192
 
 
193
    this format is initializable, unsupported to aid in testing the 
 
194
    open and open_downlevel routines.
 
195
    """
 
196
 
 
197
    def get_format_string(self):
 
198
        """See BzrDirFormat.get_format_string()."""
 
199
        return "Sample .bzr dir format."
 
200
 
 
201
    def initialize(self, url, possible_transports=None):
 
202
        """Create a bzr dir."""
 
203
        t = get_transport(url, possible_transports)
 
204
        t.mkdir('.bzr')
 
205
        t.put_bytes('.bzr/branch-format', self.get_format_string())
 
206
        return SampleBzrDir(t, self)
 
207
 
 
208
    def is_supported(self):
 
209
        return False
 
210
 
 
211
    def open(self, transport, _found=None):
 
212
        return "opened branch."
 
213
 
 
214
 
 
215
class TestBzrDirFormat(TestCaseWithTransport):
 
216
    """Tests for the BzrDirFormat facility."""
 
217
 
 
218
    def test_find_format(self):
 
219
        # is the right format object found for a branch?
 
220
        # create a branch with a few known format objects.
 
221
        # this is not quite the same as 
 
222
        t = get_transport(self.get_url())
 
223
        self.build_tree(["foo/", "bar/"], transport=t)
 
224
        def check_format(format, url):
 
225
            format.initialize(url)
 
226
            t = get_transport(url)
 
227
            found_format = bzrdir.BzrDirFormat.find_format(t)
 
228
            self.failUnless(isinstance(found_format, format.__class__))
 
229
        check_format(bzrdir.BzrDirFormat5(), "foo")
 
230
        check_format(bzrdir.BzrDirFormat6(), "bar")
 
231
        
 
232
    def test_find_format_nothing_there(self):
 
233
        self.assertRaises(NotBranchError,
 
234
                          bzrdir.BzrDirFormat.find_format,
 
235
                          get_transport('.'))
 
236
 
 
237
    def test_find_format_unknown_format(self):
 
238
        t = get_transport(self.get_url())
 
239
        t.mkdir('.bzr')
 
240
        t.put_bytes('.bzr/branch-format', '')
 
241
        self.assertRaises(UnknownFormatError,
 
242
                          bzrdir.BzrDirFormat.find_format,
 
243
                          get_transport('.'))
 
244
 
 
245
    def test_register_unregister_format(self):
 
246
        format = SampleBzrDirFormat()
 
247
        url = self.get_url()
 
248
        # make a bzrdir
 
249
        format.initialize(url)
 
250
        # register a format for it.
 
251
        bzrdir.BzrDirFormat.register_format(format)
 
252
        # which bzrdir.Open will refuse (not supported)
 
253
        self.assertRaises(UnsupportedFormatError, bzrdir.BzrDir.open, url)
 
254
        # which bzrdir.open_containing will refuse (not supported)
 
255
        self.assertRaises(UnsupportedFormatError, bzrdir.BzrDir.open_containing, url)
 
256
        # but open_downlevel will work
 
257
        t = get_transport(url)
 
258
        self.assertEqual(format.open(t), bzrdir.BzrDir.open_unsupported(url))
 
259
        # unregister the format
 
260
        bzrdir.BzrDirFormat.unregister_format(format)
 
261
        # now open_downlevel should fail too.
 
262
        self.assertRaises(UnknownFormatError, bzrdir.BzrDir.open_unsupported, url)
 
263
 
 
264
    def test_create_repository(self):
 
265
        format = SampleBzrDirFormat()
 
266
        repo = bzrdir.BzrDir.create_repository(self.get_url(), format=format)
 
267
        self.assertEqual('A repository', repo)
 
268
 
 
269
    def test_create_repository_shared(self):
 
270
        old_format = bzrdir.BzrDirFormat.get_default_format()
 
271
        repo = bzrdir.BzrDir.create_repository('.', shared=True)
 
272
        self.assertTrue(repo.is_shared())
 
273
 
 
274
    def test_create_repository_nonshared(self):
 
275
        old_format = bzrdir.BzrDirFormat.get_default_format()
 
276
        repo = bzrdir.BzrDir.create_repository('.')
 
277
        self.assertFalse(repo.is_shared())
 
278
 
 
279
    def test_create_repository_under_shared(self):
 
280
        # an explicit create_repository always does so.
 
281
        # we trust the format is right from the 'create_repository test'
 
282
        format = bzrdir.format_registry.make_bzrdir('knit')
 
283
        self.make_repository('.', shared=True, format=format)
 
284
        repo = bzrdir.BzrDir.create_repository(self.get_url('child'),
 
285
                                               format=format)
 
286
        self.assertTrue(isinstance(repo, repository.Repository))
 
287
        self.assertTrue(repo.bzrdir.root_transport.base.endswith('child/'))
 
288
 
 
289
    def test_create_branch_and_repo_uses_default(self):
 
290
        format = SampleBzrDirFormat()
 
291
        branch = bzrdir.BzrDir.create_branch_and_repo(self.get_url(),
 
292
                                                      format=format)
 
293
        self.assertTrue(isinstance(branch, SampleBranch))
 
294
 
 
295
    def test_create_branch_and_repo_under_shared(self):
 
296
        # creating a branch and repo in a shared repo uses the
 
297
        # shared repository
 
298
        format = bzrdir.format_registry.make_bzrdir('knit')
 
299
        self.make_repository('.', shared=True, format=format)
 
300
        branch = bzrdir.BzrDir.create_branch_and_repo(
 
301
            self.get_url('child'), format=format)
 
302
        self.assertRaises(errors.NoRepositoryPresent,
 
303
                          branch.bzrdir.open_repository)
 
304
 
 
305
    def test_create_branch_and_repo_under_shared_force_new(self):
 
306
        # creating a branch and repo in a shared repo can be forced to 
 
307
        # make a new repo
 
308
        format = bzrdir.format_registry.make_bzrdir('knit')
 
309
        self.make_repository('.', shared=True, format=format)
 
310
        branch = bzrdir.BzrDir.create_branch_and_repo(self.get_url('child'),
 
311
                                                      force_new_repo=True,
 
312
                                                      format=format)
 
313
        branch.bzrdir.open_repository()
 
314
 
 
315
    def test_create_standalone_working_tree(self):
 
316
        format = SampleBzrDirFormat()
 
317
        # note this is deliberately readonly, as this failure should 
 
318
        # occur before any writes.
 
319
        self.assertRaises(errors.NotLocalUrl,
 
320
                          bzrdir.BzrDir.create_standalone_workingtree,
 
321
                          self.get_readonly_url(), format=format)
 
322
        tree = bzrdir.BzrDir.create_standalone_workingtree('.', 
 
323
                                                           format=format)
 
324
        self.assertEqual('A tree', tree)
 
325
 
 
326
    def test_create_standalone_working_tree_under_shared_repo(self):
 
327
        # create standalone working tree always makes a repo.
 
328
        format = bzrdir.format_registry.make_bzrdir('knit')
 
329
        self.make_repository('.', shared=True, format=format)
 
330
        # note this is deliberately readonly, as this failure should 
 
331
        # occur before any writes.
 
332
        self.assertRaises(errors.NotLocalUrl,
 
333
                          bzrdir.BzrDir.create_standalone_workingtree,
 
334
                          self.get_readonly_url('child'), format=format)
 
335
        tree = bzrdir.BzrDir.create_standalone_workingtree('child', 
 
336
            format=format)
 
337
        tree.bzrdir.open_repository()
 
338
 
 
339
    def test_create_branch_convenience(self):
 
340
        # outside a repo the default convenience output is a repo+branch_tree
 
341
        format = bzrdir.format_registry.make_bzrdir('knit')
 
342
        branch = bzrdir.BzrDir.create_branch_convenience('.', format=format)
 
343
        branch.bzrdir.open_workingtree()
 
344
        branch.bzrdir.open_repository()
 
345
 
 
346
    def test_create_branch_convenience_possible_transports(self):
 
347
        """Check that the optional 'possible_transports' is recognized"""
 
348
        format = bzrdir.format_registry.make_bzrdir('knit')
 
349
        t = self.get_transport()
 
350
        branch = bzrdir.BzrDir.create_branch_convenience(
 
351
            '.', format=format, possible_transports=[t])
 
352
        branch.bzrdir.open_workingtree()
 
353
        branch.bzrdir.open_repository()
 
354
 
 
355
    def test_create_branch_convenience_root(self):
 
356
        """Creating a branch at the root of a fs should work."""
 
357
        self.vfs_transport_factory = MemoryServer
 
358
        # outside a repo the default convenience output is a repo+branch_tree
 
359
        format = bzrdir.format_registry.make_bzrdir('knit')
 
360
        branch = bzrdir.BzrDir.create_branch_convenience(self.get_url(), 
 
361
                                                         format=format)
 
362
        self.assertRaises(errors.NoWorkingTree,
 
363
                          branch.bzrdir.open_workingtree)
 
364
        branch.bzrdir.open_repository()
 
365
 
 
366
    def test_create_branch_convenience_under_shared_repo(self):
 
367
        # inside a repo the default convenience output is a branch+ follow the
 
368
        # repo tree policy
 
369
        format = bzrdir.format_registry.make_bzrdir('knit')
 
370
        self.make_repository('.', shared=True, format=format)
 
371
        branch = bzrdir.BzrDir.create_branch_convenience('child',
 
372
            format=format)
 
373
        branch.bzrdir.open_workingtree()
 
374
        self.assertRaises(errors.NoRepositoryPresent,
 
375
                          branch.bzrdir.open_repository)
 
376
            
 
377
    def test_create_branch_convenience_under_shared_repo_force_no_tree(self):
 
378
        # inside a repo the default convenience output is a branch+ follow the
 
379
        # repo tree policy but we can override that
 
380
        format = bzrdir.format_registry.make_bzrdir('knit')
 
381
        self.make_repository('.', shared=True, format=format)
 
382
        branch = bzrdir.BzrDir.create_branch_convenience('child',
 
383
            force_new_tree=False, format=format)
 
384
        self.assertRaises(errors.NoWorkingTree,
 
385
                          branch.bzrdir.open_workingtree)
 
386
        self.assertRaises(errors.NoRepositoryPresent,
 
387
                          branch.bzrdir.open_repository)
 
388
            
 
389
    def test_create_branch_convenience_under_shared_repo_no_tree_policy(self):
 
390
        # inside a repo the default convenience output is a branch+ follow the
 
391
        # repo tree policy
 
392
        format = bzrdir.format_registry.make_bzrdir('knit')
 
393
        repo = self.make_repository('.', shared=True, format=format)
 
394
        repo.set_make_working_trees(False)
 
395
        branch = bzrdir.BzrDir.create_branch_convenience('child', 
 
396
                                                         format=format)
 
397
        self.assertRaises(errors.NoWorkingTree,
 
398
                          branch.bzrdir.open_workingtree)
 
399
        self.assertRaises(errors.NoRepositoryPresent,
 
400
                          branch.bzrdir.open_repository)
 
401
 
 
402
    def test_create_branch_convenience_under_shared_repo_no_tree_policy_force_tree(self):
 
403
        # inside a repo the default convenience output is a branch+ follow the
 
404
        # repo tree policy but we can override that
 
405
        format = bzrdir.format_registry.make_bzrdir('knit')
 
406
        repo = self.make_repository('.', shared=True, format=format)
 
407
        repo.set_make_working_trees(False)
 
408
        branch = bzrdir.BzrDir.create_branch_convenience('child',
 
409
            force_new_tree=True, format=format)
 
410
        branch.bzrdir.open_workingtree()
 
411
        self.assertRaises(errors.NoRepositoryPresent,
 
412
                          branch.bzrdir.open_repository)
 
413
 
 
414
    def test_create_branch_convenience_under_shared_repo_force_new_repo(self):
 
415
        # inside a repo the default convenience output is overridable to give
 
416
        # repo+branch+tree
 
417
        format = bzrdir.format_registry.make_bzrdir('knit')
 
418
        self.make_repository('.', shared=True, format=format)
 
419
        branch = bzrdir.BzrDir.create_branch_convenience('child',
 
420
            force_new_repo=True, format=format)
 
421
        branch.bzrdir.open_repository()
 
422
        branch.bzrdir.open_workingtree()
 
423
 
 
424
 
 
425
class ChrootedTests(TestCaseWithTransport):
 
426
    """A support class that provides readonly urls outside the local namespace.
 
427
 
 
428
    This is done by checking if self.transport_server is a MemoryServer. if it
 
429
    is then we are chrooted already, if it is not then an HttpServer is used
 
430
    for readonly urls.
 
431
    """
 
432
 
 
433
    def setUp(self):
 
434
        super(ChrootedTests, self).setUp()
 
435
        if not self.vfs_transport_factory == MemoryServer:
 
436
            self.transport_readonly_server = HttpServer
 
437
 
 
438
    def test_open_containing(self):
 
439
        self.assertRaises(NotBranchError, bzrdir.BzrDir.open_containing,
 
440
                          self.get_readonly_url(''))
 
441
        self.assertRaises(NotBranchError, bzrdir.BzrDir.open_containing,
 
442
                          self.get_readonly_url('g/p/q'))
 
443
        control = bzrdir.BzrDir.create(self.get_url())
 
444
        branch, relpath = bzrdir.BzrDir.open_containing(self.get_readonly_url(''))
 
445
        self.assertEqual('', relpath)
 
446
        branch, relpath = bzrdir.BzrDir.open_containing(self.get_readonly_url('g/p/q'))
 
447
        self.assertEqual('g/p/q', relpath)
 
448
 
 
449
    def test_open_containing_from_transport(self):
 
450
        self.assertRaises(NotBranchError, bzrdir.BzrDir.open_containing_from_transport,
 
451
                          get_transport(self.get_readonly_url('')))
 
452
        self.assertRaises(NotBranchError, bzrdir.BzrDir.open_containing_from_transport,
 
453
                          get_transport(self.get_readonly_url('g/p/q')))
 
454
        control = bzrdir.BzrDir.create(self.get_url())
 
455
        branch, relpath = bzrdir.BzrDir.open_containing_from_transport(
 
456
            get_transport(self.get_readonly_url('')))
 
457
        self.assertEqual('', relpath)
 
458
        branch, relpath = bzrdir.BzrDir.open_containing_from_transport(
 
459
            get_transport(self.get_readonly_url('g/p/q')))
 
460
        self.assertEqual('g/p/q', relpath)
 
461
 
 
462
    def test_open_containing_tree_or_branch(self):
 
463
        def local_branch_path(branch):
 
464
             return os.path.realpath(
 
465
                urlutils.local_path_from_url(branch.base))
 
466
 
 
467
        self.make_branch_and_tree('topdir')
 
468
        tree, branch, relpath = bzrdir.BzrDir.open_containing_tree_or_branch(
 
469
            'topdir/foo')
 
470
        self.assertEqual(os.path.realpath('topdir'),
 
471
                         os.path.realpath(tree.basedir))
 
472
        self.assertEqual(os.path.realpath('topdir'),
 
473
                         local_branch_path(branch))
 
474
        self.assertIs(tree.bzrdir, branch.bzrdir)
 
475
        self.assertEqual('foo', relpath)
 
476
        # opening from non-local should not return the tree
 
477
        tree, branch, relpath = bzrdir.BzrDir.open_containing_tree_or_branch(
 
478
            self.get_readonly_url('topdir/foo'))
 
479
        self.assertEqual(None, tree)
 
480
        self.assertEqual('foo', relpath)
 
481
        # without a tree:
 
482
        self.make_branch('topdir/foo')
 
483
        tree, branch, relpath = bzrdir.BzrDir.open_containing_tree_or_branch(
 
484
            'topdir/foo')
 
485
        self.assertIs(tree, None)
 
486
        self.assertEqual(os.path.realpath('topdir/foo'),
 
487
                         local_branch_path(branch))
 
488
        self.assertEqual('', relpath)
 
489
 
 
490
    def test_open_from_transport(self):
 
491
        # transport pointing at bzrdir should give a bzrdir with root transport
 
492
        # set to the given transport
 
493
        control = bzrdir.BzrDir.create(self.get_url())
 
494
        transport = get_transport(self.get_url())
 
495
        opened_bzrdir = bzrdir.BzrDir.open_from_transport(transport)
 
496
        self.assertEqual(transport.base, opened_bzrdir.root_transport.base)
 
497
        self.assertIsInstance(opened_bzrdir, bzrdir.BzrDir)
 
498
        
 
499
    def test_open_from_transport_no_bzrdir(self):
 
500
        transport = get_transport(self.get_url())
 
501
        self.assertRaises(NotBranchError, bzrdir.BzrDir.open_from_transport,
 
502
                          transport)
 
503
 
 
504
    def test_open_from_transport_bzrdir_in_parent(self):
 
505
        control = bzrdir.BzrDir.create(self.get_url())
 
506
        transport = get_transport(self.get_url())
 
507
        transport.mkdir('subdir')
 
508
        transport = transport.clone('subdir')
 
509
        self.assertRaises(NotBranchError, bzrdir.BzrDir.open_from_transport,
 
510
                          transport)
 
511
 
 
512
    def test_sprout_recursive(self):
 
513
        tree = self.make_branch_and_tree('tree1', format='dirstate-with-subtree')
 
514
        sub_tree = self.make_branch_and_tree('tree1/subtree',
 
515
            format='dirstate-with-subtree')
 
516
        tree.add_reference(sub_tree)
 
517
        self.build_tree(['tree1/subtree/file'])
 
518
        sub_tree.add('file')
 
519
        tree.commit('Initial commit')
 
520
        tree.bzrdir.sprout('tree2')
 
521
        self.failUnlessExists('tree2/subtree/file')
 
522
 
 
523
    def test_cloning_metadir(self):
 
524
        """Ensure that cloning metadir is suitable"""
 
525
        bzrdir = self.make_bzrdir('bzrdir')
 
526
        bzrdir.cloning_metadir()
 
527
        branch = self.make_branch('branch', format='knit')
 
528
        format = branch.bzrdir.cloning_metadir()
 
529
        self.assertIsInstance(format.workingtree_format,
 
530
            workingtree.WorkingTreeFormat3)
 
531
 
 
532
    def test_sprout_recursive_treeless(self):
 
533
        tree = self.make_branch_and_tree('tree1',
 
534
            format='dirstate-with-subtree')
 
535
        sub_tree = self.make_branch_and_tree('tree1/subtree',
 
536
            format='dirstate-with-subtree')
 
537
        tree.add_reference(sub_tree)
 
538
        self.build_tree(['tree1/subtree/file'])
 
539
        sub_tree.add('file')
 
540
        tree.commit('Initial commit')
 
541
        tree.bzrdir.destroy_workingtree()
 
542
        repo = self.make_repository('repo', shared=True,
 
543
            format='dirstate-with-subtree')
 
544
        repo.set_make_working_trees(False)
 
545
        tree.bzrdir.sprout('repo/tree2')
 
546
        self.failUnlessExists('repo/tree2/subtree')
 
547
        self.failIfExists('repo/tree2/subtree/file')
 
548
 
 
549
 
 
550
class TestMeta1DirFormat(TestCaseWithTransport):
 
551
    """Tests specific to the meta1 dir format."""
 
552
 
 
553
    def test_right_base_dirs(self):
 
554
        dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
 
555
        t = dir.transport
 
556
        branch_base = t.clone('branch').base
 
557
        self.assertEqual(branch_base, dir.get_branch_transport(None).base)
 
558
        self.assertEqual(branch_base,
 
559
                         dir.get_branch_transport(bzrlib.branch.BzrBranchFormat5()).base)
 
560
        repository_base = t.clone('repository').base
 
561
        self.assertEqual(repository_base, dir.get_repository_transport(None).base)
 
562
        self.assertEqual(repository_base,
 
563
                         dir.get_repository_transport(weaverepo.RepositoryFormat7()).base)
 
564
        checkout_base = t.clone('checkout').base
 
565
        self.assertEqual(checkout_base, dir.get_workingtree_transport(None).base)
 
566
        self.assertEqual(checkout_base,
 
567
                         dir.get_workingtree_transport(workingtree.WorkingTreeFormat3()).base)
 
568
 
 
569
    def test_meta1dir_uses_lockdir(self):
 
570
        """Meta1 format uses a LockDir to guard the whole directory, not a file."""
 
571
        dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
 
572
        t = dir.transport
 
573
        self.assertIsDirectory('branch-lock', t)
 
574
 
 
575
    def test_comparison(self):
 
576
        """Equality and inequality behave properly.
 
577
 
 
578
        Metadirs should compare equal iff they have the same repo, branch and
 
579
        tree formats.
 
580
        """
 
581
        mydir = bzrdir.format_registry.make_bzrdir('knit')
 
582
        self.assertEqual(mydir, mydir)
 
583
        self.assertFalse(mydir != mydir)
 
584
        otherdir = bzrdir.format_registry.make_bzrdir('knit')
 
585
        self.assertEqual(otherdir, mydir)
 
586
        self.assertFalse(otherdir != mydir)
 
587
        otherdir2 = bzrdir.format_registry.make_bzrdir('dirstate-with-subtree')
 
588
        self.assertNotEqual(otherdir2, mydir)
 
589
        self.assertFalse(otherdir2 == mydir)
 
590
 
 
591
    def test_needs_conversion_different_working_tree(self):
 
592
        # meta1dirs need an conversion if any element is not the default.
 
593
        old_format = bzrdir.BzrDirFormat.get_default_format()
 
594
        # test with 
 
595
        new_default = bzrdir.format_registry.make_bzrdir('dirstate')
 
596
        bzrdir.BzrDirFormat._set_default_format(new_default)
 
597
        try:
 
598
            tree = self.make_branch_and_tree('tree', format='knit')
 
599
            self.assertTrue(tree.bzrdir.needs_format_conversion())
 
600
        finally:
 
601
            bzrdir.BzrDirFormat._set_default_format(old_format)
 
602
 
 
603
 
 
604
class TestFormat5(TestCaseWithTransport):
 
605
    """Tests specific to the version 5 bzrdir format."""
 
606
 
 
607
    def test_same_lockfiles_between_tree_repo_branch(self):
 
608
        # this checks that only a single lockfiles instance is created 
 
609
        # for format 5 objects
 
610
        dir = bzrdir.BzrDirFormat5().initialize(self.get_url())
 
611
        def check_dir_components_use_same_lock(dir):
 
612
            ctrl_1 = dir.open_repository().control_files
 
613
            ctrl_2 = dir.open_branch().control_files
 
614
            ctrl_3 = dir.open_workingtree()._control_files
 
615
            self.assertTrue(ctrl_1 is ctrl_2)
 
616
            self.assertTrue(ctrl_2 is ctrl_3)
 
617
        check_dir_components_use_same_lock(dir)
 
618
        # and if we open it normally.
 
619
        dir = bzrdir.BzrDir.open(self.get_url())
 
620
        check_dir_components_use_same_lock(dir)
 
621
    
 
622
    def test_can_convert(self):
 
623
        # format 5 dirs are convertable
 
624
        dir = bzrdir.BzrDirFormat5().initialize(self.get_url())
 
625
        self.assertTrue(dir.can_convert_format())
 
626
    
 
627
    def test_needs_conversion(self):
 
628
        # format 5 dirs need a conversion if they are not the default.
 
629
        # and they start of not the default.
 
630
        old_format = bzrdir.BzrDirFormat.get_default_format()
 
631
        bzrdir.BzrDirFormat._set_default_format(bzrdir.BzrDirFormat5())
 
632
        try:
 
633
            dir = bzrdir.BzrDirFormat5().initialize(self.get_url())
 
634
            self.assertFalse(dir.needs_format_conversion())
 
635
        finally:
 
636
            bzrdir.BzrDirFormat._set_default_format(old_format)
 
637
        self.assertTrue(dir.needs_format_conversion())
 
638
 
 
639
 
 
640
class TestFormat6(TestCaseWithTransport):
 
641
    """Tests specific to the version 6 bzrdir format."""
 
642
 
 
643
    def test_same_lockfiles_between_tree_repo_branch(self):
 
644
        # this checks that only a single lockfiles instance is created 
 
645
        # for format 6 objects
 
646
        dir = bzrdir.BzrDirFormat6().initialize(self.get_url())
 
647
        def check_dir_components_use_same_lock(dir):
 
648
            ctrl_1 = dir.open_repository().control_files
 
649
            ctrl_2 = dir.open_branch().control_files
 
650
            ctrl_3 = dir.open_workingtree()._control_files
 
651
            self.assertTrue(ctrl_1 is ctrl_2)
 
652
            self.assertTrue(ctrl_2 is ctrl_3)
 
653
        check_dir_components_use_same_lock(dir)
 
654
        # and if we open it normally.
 
655
        dir = bzrdir.BzrDir.open(self.get_url())
 
656
        check_dir_components_use_same_lock(dir)
 
657
    
 
658
    def test_can_convert(self):
 
659
        # format 6 dirs are convertable
 
660
        dir = bzrdir.BzrDirFormat6().initialize(self.get_url())
 
661
        self.assertTrue(dir.can_convert_format())
 
662
    
 
663
    def test_needs_conversion(self):
 
664
        # format 6 dirs need an conversion if they are not the default.
 
665
        old_format = bzrdir.BzrDirFormat.get_default_format()
 
666
        bzrdir.BzrDirFormat._set_default_format(bzrdir.BzrDirMetaFormat1())
 
667
        try:
 
668
            dir = bzrdir.BzrDirFormat6().initialize(self.get_url())
 
669
            self.assertTrue(dir.needs_format_conversion())
 
670
        finally:
 
671
            bzrdir.BzrDirFormat._set_default_format(old_format)
 
672
 
 
673
 
 
674
class NotBzrDir(bzrlib.bzrdir.BzrDir):
 
675
    """A non .bzr based control directory."""
 
676
 
 
677
    def __init__(self, transport, format):
 
678
        self._format = format
 
679
        self.root_transport = transport
 
680
        self.transport = transport.clone('.not')
 
681
 
 
682
 
 
683
class NotBzrDirFormat(bzrlib.bzrdir.BzrDirFormat):
 
684
    """A test class representing any non-.bzr based disk format."""
 
685
 
 
686
    def initialize_on_transport(self, transport):
 
687
        """Initialize a new .not dir in the base directory of a Transport."""
 
688
        transport.mkdir('.not')
 
689
        return self.open(transport)
 
690
 
 
691
    def open(self, transport):
 
692
        """Open this directory."""
 
693
        return NotBzrDir(transport, self)
 
694
 
 
695
    @classmethod
 
696
    def _known_formats(self):
 
697
        return set([NotBzrDirFormat()])
 
698
 
 
699
    @classmethod
 
700
    def probe_transport(self, transport):
 
701
        """Our format is present if the transport ends in '.not/'."""
 
702
        if transport.has('.not'):
 
703
            return NotBzrDirFormat()
 
704
 
 
705
 
 
706
class TestNotBzrDir(TestCaseWithTransport):
 
707
    """Tests for using the bzrdir api with a non .bzr based disk format.
 
708
    
 
709
    If/when one of these is in the core, we can let the implementation tests
 
710
    verify this works.
 
711
    """
 
712
 
 
713
    def test_create_and_find_format(self):
 
714
        # create a .notbzr dir 
 
715
        format = NotBzrDirFormat()
 
716
        dir = format.initialize(self.get_url())
 
717
        self.assertIsInstance(dir, NotBzrDir)
 
718
        # now probe for it.
 
719
        bzrlib.bzrdir.BzrDirFormat.register_control_format(format)
 
720
        try:
 
721
            found = bzrlib.bzrdir.BzrDirFormat.find_format(
 
722
                get_transport(self.get_url()))
 
723
            self.assertIsInstance(found, NotBzrDirFormat)
 
724
        finally:
 
725
            bzrlib.bzrdir.BzrDirFormat.unregister_control_format(format)
 
726
 
 
727
    def test_included_in_known_formats(self):
 
728
        bzrlib.bzrdir.BzrDirFormat.register_control_format(NotBzrDirFormat)
 
729
        try:
 
730
            formats = bzrlib.bzrdir.BzrDirFormat.known_formats()
 
731
            for format in formats:
 
732
                if isinstance(format, NotBzrDirFormat):
 
733
                    return
 
734
            self.fail("No NotBzrDirFormat in %s" % formats)
 
735
        finally:
 
736
            bzrlib.bzrdir.BzrDirFormat.unregister_control_format(NotBzrDirFormat)
 
737
 
 
738
 
 
739
class NonLocalTests(TestCaseWithTransport):
 
740
    """Tests for bzrdir static behaviour on non local paths."""
 
741
 
 
742
    def setUp(self):
 
743
        super(NonLocalTests, self).setUp()
 
744
        self.vfs_transport_factory = MemoryServer
 
745
    
 
746
    def test_create_branch_convenience(self):
 
747
        # outside a repo the default convenience output is a repo+branch_tree
 
748
        format = bzrdir.format_registry.make_bzrdir('knit')
 
749
        branch = bzrdir.BzrDir.create_branch_convenience(
 
750
            self.get_url('foo'), format=format)
 
751
        self.assertRaises(errors.NoWorkingTree,
 
752
                          branch.bzrdir.open_workingtree)
 
753
        branch.bzrdir.open_repository()
 
754
 
 
755
    def test_create_branch_convenience_force_tree_not_local_fails(self):
 
756
        # outside a repo the default convenience output is a repo+branch_tree
 
757
        format = bzrdir.format_registry.make_bzrdir('knit')
 
758
        self.assertRaises(errors.NotLocalUrl,
 
759
            bzrdir.BzrDir.create_branch_convenience,
 
760
            self.get_url('foo'),
 
761
            force_new_tree=True,
 
762
            format=format)
 
763
        t = get_transport(self.get_url('.'))
 
764
        self.assertFalse(t.has('foo'))
 
765
 
 
766
    def test_clone(self):
 
767
        # clone into a nonlocal path works
 
768
        format = bzrdir.format_registry.make_bzrdir('knit')
 
769
        branch = bzrdir.BzrDir.create_branch_convenience('local',
 
770
                                                         format=format)
 
771
        branch.bzrdir.open_workingtree()
 
772
        result = branch.bzrdir.clone(self.get_url('remote'))
 
773
        self.assertRaises(errors.NoWorkingTree,
 
774
                          result.open_workingtree)
 
775
        result.open_branch()
 
776
        result.open_repository()
 
777
 
 
778
    def test_checkout_metadir(self):
 
779
        # checkout_metadir has reasonable working tree format even when no
 
780
        # working tree is present
 
781
        self.make_branch('branch-knit2', format='dirstate-with-subtree')
 
782
        my_bzrdir = bzrdir.BzrDir.open(self.get_url('branch-knit2'))
 
783
        checkout_format = my_bzrdir.checkout_metadir()
 
784
        self.assertIsInstance(checkout_format.workingtree_format,
 
785
                              workingtree.WorkingTreeFormat3)
 
786
 
 
787
 
 
788
class TestHTTPRedirectionLoop(object):
 
789
    """Test redirection loop between two http servers.
 
790
 
 
791
    This MUST be used by daughter classes that also inherit from
 
792
    TestCaseWithTwoWebservers.
 
793
 
 
794
    We can't inherit directly from TestCaseWithTwoWebservers or the
 
795
    test framework will try to create an instance which cannot
 
796
    run, its implementation being incomplete. 
 
797
    """
 
798
 
 
799
    # Should be defined by daughter classes to ensure redirection
 
800
    # still use the same transport implementation (not currently
 
801
    # enforced as it's a bit tricky to get right (see the FIXME
 
802
    # in BzrDir.open_from_transport for the unique use case so
 
803
    # far)
 
804
    _qualifier = None
 
805
 
 
806
    def create_transport_readonly_server(self):
 
807
        return HTTPServerRedirecting()
 
808
 
 
809
    def create_transport_secondary_server(self):
 
810
        return HTTPServerRedirecting()
 
811
 
 
812
    def setUp(self):
 
813
        # Both servers redirect to each server creating a loop
 
814
        super(TestHTTPRedirectionLoop, self).setUp()
 
815
        # The redirections will point to the new server
 
816
        self.new_server = self.get_readonly_server()
 
817
        # The requests to the old server will be redirected
 
818
        self.old_server = self.get_secondary_server()
 
819
        # Configure the redirections
 
820
        self.old_server.redirect_to(self.new_server.host, self.new_server.port)
 
821
        self.new_server.redirect_to(self.old_server.host, self.old_server.port)
 
822
 
 
823
    def _qualified_url(self, host, port):
 
824
        return 'http+%s://%s:%s' % (self._qualifier, host, port)
 
825
 
 
826
    def test_loop(self):
 
827
        # Starting from either server should loop
 
828
        old_url = self._qualified_url(self.old_server.host, 
 
829
                                      self.old_server.port)
 
830
        oldt = self._transport(old_url)
 
831
        self.assertRaises(errors.NotBranchError,
 
832
                          bzrdir.BzrDir.open_from_transport, oldt)
 
833
        new_url = self._qualified_url(self.new_server.host, 
 
834
                                      self.new_server.port)
 
835
        newt = self._transport(new_url)
 
836
        self.assertRaises(errors.NotBranchError,
 
837
                          bzrdir.BzrDir.open_from_transport, newt)
 
838
 
 
839
 
 
840
class TestHTTPRedirections_urllib(TestHTTPRedirectionLoop,
 
841
                                  TestCaseWithTwoWebservers):
 
842
    """Tests redirections for urllib implementation"""
 
843
 
 
844
    _qualifier = 'urllib'
 
845
    _transport = HttpTransport_urllib
 
846
 
 
847
 
 
848
 
 
849
class TestHTTPRedirections_pycurl(TestWithTransport_pycurl,
 
850
                                  TestHTTPRedirectionLoop,
 
851
                                  TestCaseWithTwoWebservers):
 
852
    """Tests redirections for pycurl implementation"""
 
853
 
 
854
    _qualifier = 'pycurl'