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bzrlib/tests/test_bzrdir.py
 
1
# Copyright (C) 2005, 2006 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
from StringIO import StringIO
 
23
 
 
24
import bzrlib.branch
 
25
import bzrlib.bzrdir as bzrdir
 
26
import bzrlib.errors as errors
 
27
from bzrlib.errors import (NotBranchError,
 
28
                           UnknownFormatError,
 
29
                           UnsupportedFormatError,
 
30
                           )
 
31
import bzrlib.repository as repository
 
32
from bzrlib.tests import TestCase, TestCaseWithTransport
 
33
from bzrlib.transport import get_transport
 
34
from bzrlib.transport.http import HttpServer
 
35
from bzrlib.transport.memory import MemoryServer
 
36
import bzrlib.workingtree as workingtree
 
37
 
 
38
 
 
39
class TestDefaultFormat(TestCase):
 
40
 
 
41
    def test_get_set_default_format(self):
 
42
        old_format = bzrdir.BzrDirFormat.get_default_format()
 
43
        # default is BzrDirFormat6
 
44
        self.failUnless(isinstance(old_format, bzrdir.BzrDirMetaFormat1))
 
45
        bzrdir.BzrDirFormat.set_default_format(SampleBzrDirFormat())
 
46
        # creating a bzr dir should now create an instrumented dir.
 
47
        try:
 
48
            result = bzrdir.BzrDir.create('memory:///')
 
49
            self.failUnless(isinstance(result, SampleBzrDir))
 
50
        finally:
 
51
            bzrdir.BzrDirFormat.set_default_format(old_format)
 
52
        self.assertEqual(old_format, bzrdir.BzrDirFormat.get_default_format())
 
53
 
 
54
 
 
55
class SampleBranch(bzrlib.branch.Branch):
 
56
    """A dummy branch for guess what, dummy use."""
 
57
 
 
58
    def __init__(self, dir):
 
59
        self.bzrdir = dir
 
60
 
 
61
 
 
62
class SampleBzrDir(bzrdir.BzrDir):
 
63
    """A sample BzrDir implementation to allow testing static methods."""
 
64
 
 
65
    def create_repository(self, shared=False):
 
66
        """See BzrDir.create_repository."""
 
67
        return "A repository"
 
68
 
 
69
    def open_repository(self):
 
70
        """See BzrDir.open_repository."""
 
71
        return "A repository"
 
72
 
 
73
    def create_branch(self):
 
74
        """See BzrDir.create_branch."""
 
75
        return SampleBranch(self)
 
76
 
 
77
    def create_workingtree(self):
 
78
        """See BzrDir.create_workingtree."""
 
79
        return "A tree"
 
80
 
 
81
 
 
82
class SampleBzrDirFormat(bzrdir.BzrDirFormat):
 
83
    """A sample format
 
84
 
 
85
    this format is initializable, unsupported to aid in testing the 
 
86
    open and open_downlevel routines.
 
87
    """
 
88
 
 
89
    def get_format_string(self):
 
90
        """See BzrDirFormat.get_format_string()."""
 
91
        return "Sample .bzr dir format."
 
92
 
 
93
    def initialize(self, url):
 
94
        """Create a bzr dir."""
 
95
        t = get_transport(url)
 
96
        t.mkdir('.bzr')
 
97
        t.put('.bzr/branch-format', StringIO(self.get_format_string()))
 
98
        return SampleBzrDir(t, self)
 
99
 
 
100
    def is_supported(self):
 
101
        return False
 
102
 
 
103
    def open(self, transport, _found=None):
 
104
        return "opened branch."
 
105
 
 
106
 
 
107
class TestBzrDirFormat(TestCaseWithTransport):
 
108
    """Tests for the BzrDirFormat facility."""
 
109
 
 
110
    def test_find_format(self):
 
111
        # is the right format object found for a branch?
 
112
        # create a branch with a few known format objects.
 
113
        # this is not quite the same as 
 
114
        t = get_transport(self.get_url())
 
115
        self.build_tree(["foo/", "bar/"], transport=t)
 
116
        def check_format(format, url):
 
117
            format.initialize(url)
 
118
            t = get_transport(url)
 
119
            found_format = bzrdir.BzrDirFormat.find_format(t)
 
120
            self.failUnless(isinstance(found_format, format.__class__))
 
121
        check_format(bzrdir.BzrDirFormat5(), "foo")
 
122
        check_format(bzrdir.BzrDirFormat6(), "bar")
 
123
        
 
124
    def test_find_format_nothing_there(self):
 
125
        self.assertRaises(NotBranchError,
 
126
                          bzrdir.BzrDirFormat.find_format,
 
127
                          get_transport('.'))
 
128
 
 
129
    def test_find_format_unknown_format(self):
 
130
        t = get_transport(self.get_url())
 
131
        t.mkdir('.bzr')
 
132
        t.put('.bzr/branch-format', StringIO())
 
133
        self.assertRaises(UnknownFormatError,
 
134
                          bzrdir.BzrDirFormat.find_format,
 
135
                          get_transport('.'))
 
136
 
 
137
    def test_register_unregister_format(self):
 
138
        format = SampleBzrDirFormat()
 
139
        url = self.get_url()
 
140
        # make a bzrdir
 
141
        format.initialize(url)
 
142
        # register a format for it.
 
143
        bzrdir.BzrDirFormat.register_format(format)
 
144
        # which bzrdir.Open will refuse (not supported)
 
145
        self.assertRaises(UnsupportedFormatError, bzrdir.BzrDir.open, url)
 
146
        # which bzrdir.open_containing will refuse (not supported)
 
147
        self.assertRaises(UnsupportedFormatError, bzrdir.BzrDir.open_containing, url)
 
148
        # but open_downlevel will work
 
149
        t = get_transport(url)
 
150
        self.assertEqual(format.open(t), bzrdir.BzrDir.open_unsupported(url))
 
151
        # unregister the format
 
152
        bzrdir.BzrDirFormat.unregister_format(format)
 
153
        # now open_downlevel should fail too.
 
154
        self.assertRaises(UnknownFormatError, bzrdir.BzrDir.open_unsupported, url)
 
155
 
 
156
    def test_create_repository(self):
 
157
        format = SampleBzrDirFormat()
 
158
        old_format = bzrdir.BzrDirFormat.get_default_format()
 
159
        bzrdir.BzrDirFormat.set_default_format(format)
 
160
        try:
 
161
            repo = bzrdir.BzrDir.create_repository(self.get_url())
 
162
            self.assertEqual('A repository', repo)
 
163
        finally:
 
164
            bzrdir.BzrDirFormat.set_default_format(old_format)
 
165
 
 
166
    def test_create_repository_shared(self):
 
167
        old_format = bzrdir.BzrDirFormat.get_default_format()
 
168
        repo = bzrdir.BzrDir.create_repository('.', shared=True)
 
169
        self.assertTrue(repo.is_shared())
 
170
 
 
171
    def test_create_repository_nonshared(self):
 
172
        old_format = bzrdir.BzrDirFormat.get_default_format()
 
173
        repo = bzrdir.BzrDir.create_repository('.')
 
174
        self.assertFalse(repo.is_shared())
 
175
 
 
176
    def test_create_repository_under_shared(self):
 
177
        # an explicit create_repository always does so.
 
178
        # we trust the format is right from the 'create_repository test'
 
179
        old_format = bzrdir.BzrDirFormat.get_default_format()
 
180
        bzrdir.BzrDirFormat.set_default_format(bzrdir.BzrDirMetaFormat1())
 
181
        try:
 
182
            self.make_repository('.', shared=True)
 
183
            repo = bzrdir.BzrDir.create_repository(self.get_url('child'))
 
184
            self.assertTrue(isinstance(repo, repository.Repository))
 
185
            self.assertTrue(repo.bzrdir.root_transport.base.endswith('child/'))
 
186
        finally:
 
187
            bzrdir.BzrDirFormat.set_default_format(old_format)
 
188
 
 
189
    def test_create_branch_and_repo_uses_default(self):
 
190
        format = SampleBzrDirFormat()
 
191
        old_format = bzrdir.BzrDirFormat.get_default_format()
 
192
        bzrdir.BzrDirFormat.set_default_format(format)
 
193
        try:
 
194
            branch = bzrdir.BzrDir.create_branch_and_repo(self.get_url())
 
195
            self.assertTrue(isinstance(branch, SampleBranch))
 
196
        finally:
 
197
            bzrdir.BzrDirFormat.set_default_format(old_format)
 
198
 
 
199
    def test_create_branch_and_repo_under_shared(self):
 
200
        # creating a branch and repo in a shared repo uses the
 
201
        # shared repository
 
202
        old_format = bzrdir.BzrDirFormat.get_default_format()
 
203
        bzrdir.BzrDirFormat.set_default_format(bzrdir.BzrDirMetaFormat1())
 
204
        try:
 
205
            self.make_repository('.', shared=True)
 
206
            branch = bzrdir.BzrDir.create_branch_and_repo(self.get_url('child'))
 
207
            self.assertRaises(errors.NoRepositoryPresent,
 
208
                              branch.bzrdir.open_repository)
 
209
        finally:
 
210
            bzrdir.BzrDirFormat.set_default_format(old_format)
 
211
 
 
212
    def test_create_branch_and_repo_under_shared_force_new(self):
 
213
        # creating a branch and repo in a shared repo can be forced to 
 
214
        # make a new repo
 
215
        old_format = bzrdir.BzrDirFormat.get_default_format()
 
216
        bzrdir.BzrDirFormat.set_default_format(bzrdir.BzrDirMetaFormat1())
 
217
        try:
 
218
            self.make_repository('.', shared=True)
 
219
            branch = bzrdir.BzrDir.create_branch_and_repo(self.get_url('child'),
 
220
                                                          force_new_repo=True)
 
221
            branch.bzrdir.open_repository()
 
222
        finally:
 
223
            bzrdir.BzrDirFormat.set_default_format(old_format)
 
224
 
 
225
    def test_create_standalone_working_tree(self):
 
226
        format = SampleBzrDirFormat()
 
227
        old_format = bzrdir.BzrDirFormat.get_default_format()
 
228
        bzrdir.BzrDirFormat.set_default_format(format)
 
229
        try:
 
230
            # note this is deliberately readonly, as this failure should 
 
231
            # occur before any writes.
 
232
            self.assertRaises(errors.NotLocalUrl,
 
233
                              bzrdir.BzrDir.create_standalone_workingtree,
 
234
                              self.get_readonly_url())
 
235
            tree = bzrdir.BzrDir.create_standalone_workingtree('.')
 
236
            self.assertEqual('A tree', tree)
 
237
        finally:
 
238
            bzrdir.BzrDirFormat.set_default_format(old_format)
 
239
 
 
240
    def test_create_standalone_working_tree_under_shared_repo(self):
 
241
        # create standalone working tree always makes a repo.
 
242
        old_format = bzrdir.BzrDirFormat.get_default_format()
 
243
        bzrdir.BzrDirFormat.set_default_format(bzrdir.BzrDirMetaFormat1())
 
244
        try:
 
245
            self.make_repository('.', shared=True)
 
246
            # note this is deliberately readonly, as this failure should 
 
247
            # occur before any writes.
 
248
            self.assertRaises(errors.NotLocalUrl,
 
249
                              bzrdir.BzrDir.create_standalone_workingtree,
 
250
                              self.get_readonly_url('child'))
 
251
            tree = bzrdir.BzrDir.create_standalone_workingtree('child')
 
252
            tree.bzrdir.open_repository()
 
253
        finally:
 
254
            bzrdir.BzrDirFormat.set_default_format(old_format)
 
255
 
 
256
    def test_create_branch_convenience(self):
 
257
        # outside a repo the default convenience output is a repo+branch_tree
 
258
        old_format = bzrdir.BzrDirFormat.get_default_format()
 
259
        bzrdir.BzrDirFormat.set_default_format(bzrdir.BzrDirMetaFormat1())
 
260
        try:
 
261
            branch = bzrdir.BzrDir.create_branch_convenience('.')
 
262
            branch.bzrdir.open_workingtree()
 
263
            branch.bzrdir.open_repository()
 
264
        finally:
 
265
            bzrdir.BzrDirFormat.set_default_format(old_format)
 
266
 
 
267
    def test_create_branch_convenience_root(self):
 
268
        """Creating a branch at the root of a fs should work."""
 
269
        self.transport_server = MemoryServer
 
270
        # outside a repo the default convenience output is a repo+branch_tree
 
271
        old_format = bzrdir.BzrDirFormat.get_default_format()
 
272
        bzrdir.BzrDirFormat.set_default_format(bzrdir.BzrDirMetaFormat1())
 
273
        try:
 
274
            branch = bzrdir.BzrDir.create_branch_convenience(self.get_url())
 
275
            self.assertRaises(errors.NoWorkingTree,
 
276
                              branch.bzrdir.open_workingtree)
 
277
            branch.bzrdir.open_repository()
 
278
        finally:
 
279
            bzrdir.BzrDirFormat.set_default_format(old_format)
 
280
 
 
281
    def test_create_branch_convenience_under_shared_repo(self):
 
282
        # inside a repo the default convenience output is a branch+ follow the
 
283
        # repo tree policy
 
284
        old_format = bzrdir.BzrDirFormat.get_default_format()
 
285
        bzrdir.BzrDirFormat.set_default_format(bzrdir.BzrDirMetaFormat1())
 
286
        try:
 
287
            self.make_repository('.', shared=True)
 
288
            branch = bzrdir.BzrDir.create_branch_convenience('child')
 
289
            branch.bzrdir.open_workingtree()
 
290
            self.assertRaises(errors.NoRepositoryPresent,
 
291
                              branch.bzrdir.open_repository)
 
292
        finally:
 
293
            bzrdir.BzrDirFormat.set_default_format(old_format)
 
294
            
 
295
    def test_create_branch_convenience_under_shared_repo_force_no_tree(self):
 
296
        # inside a repo the default convenience output is a branch+ follow the
 
297
        # repo tree policy but we can override that
 
298
        old_format = bzrdir.BzrDirFormat.get_default_format()
 
299
        bzrdir.BzrDirFormat.set_default_format(bzrdir.BzrDirMetaFormat1())
 
300
        try:
 
301
            self.make_repository('.', shared=True)
 
302
            branch = bzrdir.BzrDir.create_branch_convenience('child',
 
303
                force_new_tree=False)
 
304
            self.assertRaises(errors.NoWorkingTree,
 
305
                              branch.bzrdir.open_workingtree)
 
306
            self.assertRaises(errors.NoRepositoryPresent,
 
307
                              branch.bzrdir.open_repository)
 
308
        finally:
 
309
            bzrdir.BzrDirFormat.set_default_format(old_format)
 
310
            
 
311
    def test_create_branch_convenience_under_shared_repo_no_tree_policy(self):
 
312
        # inside a repo the default convenience output is a branch+ follow the
 
313
        # repo tree policy
 
314
        old_format = bzrdir.BzrDirFormat.get_default_format()
 
315
        bzrdir.BzrDirFormat.set_default_format(bzrdir.BzrDirMetaFormat1())
 
316
        try:
 
317
            repo = self.make_repository('.', shared=True)
 
318
            repo.set_make_working_trees(False)
 
319
            branch = bzrdir.BzrDir.create_branch_convenience('child')
 
320
            self.assertRaises(errors.NoWorkingTree,
 
321
                              branch.bzrdir.open_workingtree)
 
322
            self.assertRaises(errors.NoRepositoryPresent,
 
323
                              branch.bzrdir.open_repository)
 
324
        finally:
 
325
            bzrdir.BzrDirFormat.set_default_format(old_format)
 
326
 
 
327
    def test_create_branch_convenience_under_shared_repo_no_tree_policy_force_tree(self):
 
328
        # inside a repo the default convenience output is a branch+ follow the
 
329
        # repo tree policy but we can override that
 
330
        old_format = bzrdir.BzrDirFormat.get_default_format()
 
331
        bzrdir.BzrDirFormat.set_default_format(bzrdir.BzrDirMetaFormat1())
 
332
        try:
 
333
            repo = self.make_repository('.', shared=True)
 
334
            repo.set_make_working_trees(False)
 
335
            branch = bzrdir.BzrDir.create_branch_convenience('child',
 
336
                force_new_tree=True)
 
337
            branch.bzrdir.open_workingtree()
 
338
            self.assertRaises(errors.NoRepositoryPresent,
 
339
                              branch.bzrdir.open_repository)
 
340
        finally:
 
341
            bzrdir.BzrDirFormat.set_default_format(old_format)
 
342
 
 
343
    def test_create_branch_convenience_under_shared_repo_force_new_repo(self):
 
344
        # inside a repo the default convenience output is overridable to give
 
345
        # repo+branch+tree
 
346
        old_format = bzrdir.BzrDirFormat.get_default_format()
 
347
        bzrdir.BzrDirFormat.set_default_format(bzrdir.BzrDirMetaFormat1())
 
348
        try:
 
349
            self.make_repository('.', shared=True)
 
350
            branch = bzrdir.BzrDir.create_branch_convenience('child',
 
351
                force_new_repo=True)
 
352
            branch.bzrdir.open_repository()
 
353
            branch.bzrdir.open_workingtree()
 
354
        finally:
 
355
            bzrdir.BzrDirFormat.set_default_format(old_format)
 
356
 
 
357
 
 
358
class ChrootedTests(TestCaseWithTransport):
 
359
    """A support class that provides readonly urls outside the local namespace.
 
360
 
 
361
    This is done by checking if self.transport_server is a MemoryServer. if it
 
362
    is then we are chrooted already, if it is not then an HttpServer is used
 
363
    for readonly urls.
 
364
    """
 
365
 
 
366
    def setUp(self):
 
367
        super(ChrootedTests, self).setUp()
 
368
        if not self.transport_server == MemoryServer:
 
369
            self.transport_readonly_server = HttpServer
 
370
 
 
371
    def test_open_containing(self):
 
372
        self.assertRaises(NotBranchError, bzrdir.BzrDir.open_containing,
 
373
                          self.get_readonly_url(''))
 
374
        self.assertRaises(NotBranchError, bzrdir.BzrDir.open_containing,
 
375
                          self.get_readonly_url('g/p/q'))
 
376
        control = bzrdir.BzrDir.create(self.get_url())
 
377
        branch, relpath = bzrdir.BzrDir.open_containing(self.get_readonly_url(''))
 
378
        self.assertEqual('', relpath)
 
379
        branch, relpath = bzrdir.BzrDir.open_containing(self.get_readonly_url('g/p/q'))
 
380
        self.assertEqual('g/p/q', relpath)
 
381
 
 
382
    def test_open_containing_from_transport(self):
 
383
        self.assertRaises(NotBranchError, bzrdir.BzrDir.open_containing_from_transport,
 
384
                          get_transport(self.get_readonly_url('')))
 
385
        self.assertRaises(NotBranchError, bzrdir.BzrDir.open_containing_from_transport,
 
386
                          get_transport(self.get_readonly_url('g/p/q')))
 
387
        control = bzrdir.BzrDir.create(self.get_url())
 
388
        branch, relpath = bzrdir.BzrDir.open_containing_from_transport(
 
389
            get_transport(self.get_readonly_url('')))
 
390
        self.assertEqual('', relpath)
 
391
        branch, relpath = bzrdir.BzrDir.open_containing_from_transport(
 
392
            get_transport(self.get_readonly_url('g/p/q')))
 
393
        self.assertEqual('g/p/q', relpath)
 
394
 
 
395
 
 
396
class TestMeta1DirFormat(TestCaseWithTransport):
 
397
    """Tests specific to the meta1 dir format."""
 
398
 
 
399
    def test_right_base_dirs(self):
 
400
        dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
 
401
        t = dir.transport
 
402
        branch_base = t.clone('branch').base
 
403
        self.assertEqual(branch_base, dir.get_branch_transport(None).base)
 
404
        self.assertEqual(branch_base,
 
405
                         dir.get_branch_transport(bzrlib.branch.BzrBranchFormat5()).base)
 
406
        repository_base = t.clone('repository').base
 
407
        self.assertEqual(repository_base, dir.get_repository_transport(None).base)
 
408
        self.assertEqual(repository_base,
 
409
                         dir.get_repository_transport(repository.RepositoryFormat7()).base)
 
410
        checkout_base = t.clone('checkout').base
 
411
        self.assertEqual(checkout_base, dir.get_workingtree_transport(None).base)
 
412
        self.assertEqual(checkout_base,
 
413
                         dir.get_workingtree_transport(workingtree.WorkingTreeFormat3()).base)
 
414
 
 
415
    def test_meta1dir_uses_lockdir(self):
 
416
        """Meta1 format uses a LockDir to guard the whole directory, not a file."""
 
417
        dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
 
418
        t = dir.transport
 
419
        self.assertIsDirectory('branch-lock', t)
 
420
 
 
421
        
 
422
class TestFormat5(TestCaseWithTransport):
 
423
    """Tests specific to the version 5 bzrdir format."""
 
424
 
 
425
    def test_same_lockfiles_between_tree_repo_branch(self):
 
426
        # this checks that only a single lockfiles instance is created 
 
427
        # for format 5 objects
 
428
        dir = bzrdir.BzrDirFormat5().initialize(self.get_url())
 
429
        def check_dir_components_use_same_lock(dir):
 
430
            ctrl_1 = dir.open_repository().control_files
 
431
            ctrl_2 = dir.open_branch().control_files
 
432
            ctrl_3 = dir.open_workingtree()._control_files
 
433
            self.assertTrue(ctrl_1 is ctrl_2)
 
434
            self.assertTrue(ctrl_2 is ctrl_3)
 
435
        check_dir_components_use_same_lock(dir)
 
436
        # and if we open it normally.
 
437
        dir = bzrdir.BzrDir.open(self.get_url())
 
438
        check_dir_components_use_same_lock(dir)
 
439
    
 
440
    def test_can_convert(self):
 
441
        # format 5 dirs are convertable
 
442
        dir = bzrdir.BzrDirFormat5().initialize(self.get_url())
 
443
        self.assertTrue(dir.can_convert_format())
 
444
    
 
445
    def test_needs_conversion(self):
 
446
        # format 5 dirs need a conversion if they are not the default.
 
447
        # and they start of not the default.
 
448
        old_format = bzrdir.BzrDirFormat.get_default_format()
 
449
        bzrdir.BzrDirFormat.set_default_format(bzrdir.BzrDirFormat5())
 
450
        try:
 
451
            dir = bzrdir.BzrDirFormat5().initialize(self.get_url())
 
452
            self.assertFalse(dir.needs_format_conversion())
 
453
        finally:
 
454
            bzrdir.BzrDirFormat.set_default_format(old_format)
 
455
        self.assertTrue(dir.needs_format_conversion())
 
456
 
 
457
 
 
458
class TestFormat6(TestCaseWithTransport):
 
459
    """Tests specific to the version 6 bzrdir format."""
 
460
 
 
461
    def test_same_lockfiles_between_tree_repo_branch(self):
 
462
        # this checks that only a single lockfiles instance is created 
 
463
        # for format 6 objects
 
464
        dir = bzrdir.BzrDirFormat6().initialize(self.get_url())
 
465
        def check_dir_components_use_same_lock(dir):
 
466
            ctrl_1 = dir.open_repository().control_files
 
467
            ctrl_2 = dir.open_branch().control_files
 
468
            ctrl_3 = dir.open_workingtree()._control_files
 
469
            self.assertTrue(ctrl_1 is ctrl_2)
 
470
            self.assertTrue(ctrl_2 is ctrl_3)
 
471
        check_dir_components_use_same_lock(dir)
 
472
        # and if we open it normally.
 
473
        dir = bzrdir.BzrDir.open(self.get_url())
 
474
        check_dir_components_use_same_lock(dir)
 
475
    
 
476
    def test_can_convert(self):
 
477
        # format 6 dirs are convertable
 
478
        dir = bzrdir.BzrDirFormat6().initialize(self.get_url())
 
479
        self.assertTrue(dir.can_convert_format())
 
480
    
 
481
    def test_needs_conversion(self):
 
482
        # format 6 dirs need an conversion if they are not the default.
 
483
        old_format = bzrdir.BzrDirFormat.get_default_format()
 
484
        bzrdir.BzrDirFormat.set_default_format(bzrdir.BzrDirMetaFormat1())
 
485
        try:
 
486
            dir = bzrdir.BzrDirFormat6().initialize(self.get_url())
 
487
            self.assertTrue(dir.needs_format_conversion())
 
488
        finally:
 
489
            bzrdir.BzrDirFormat.set_default_format(old_format)
 
490
 
 
491
 
 
492
class NotBzrDir(bzrlib.bzrdir.BzrDir):
 
493
    """A non .bzr based control directory."""
 
494
 
 
495
    def __init__(self, transport, format):
 
496
        self._format = format
 
497
        self.root_transport = transport
 
498
        self.transport = transport.clone('.not')
 
499
 
 
500
 
 
501
class NotBzrDirFormat(bzrlib.bzrdir.BzrDirFormat):
 
502
    """A test class representing any non-.bzr based disk format."""
 
503
 
 
504
    def initialize_on_transport(self, transport):
 
505
        """Initialize a new .not dir in the base directory of a Transport."""
 
506
        transport.mkdir('.not')
 
507
        return self.open(transport)
 
508
 
 
509
    def open(self, transport):
 
510
        """Open this directory."""
 
511
        return NotBzrDir(transport, self)
 
512
 
 
513
    @classmethod
 
514
    def _known_formats(self):
 
515
        return set([NotBzrDirFormat()])
 
516
 
 
517
    @classmethod
 
518
    def probe_transport(self, transport):
 
519
        """Our format is present if the transport ends in '.not/'."""
 
520
        if transport.has('.not'):
 
521
            return NotBzrDirFormat()
 
522
 
 
523
 
 
524
class TestNotBzrDir(TestCaseWithTransport):
 
525
    """Tests for using the bzrdir api with a non .bzr based disk format.
 
526
    
 
527
    If/when one of these is in the core, we can let the implementation tests
 
528
    verify this works.
 
529
    """
 
530
 
 
531
    def test_create_and_find_format(self):
 
532
        # create a .notbzr dir 
 
533
        format = NotBzrDirFormat()
 
534
        dir = format.initialize(self.get_url())
 
535
        self.assertIsInstance(dir, NotBzrDir)
 
536
        # now probe for it.
 
537
        bzrlib.bzrdir.BzrDirFormat.register_control_format(format)
 
538
        try:
 
539
            found = bzrlib.bzrdir.BzrDirFormat.find_format(
 
540
                get_transport(self.get_url()))
 
541
            self.assertIsInstance(found, NotBzrDirFormat)
 
542
        finally:
 
543
            bzrlib.bzrdir.BzrDirFormat.unregister_control_format(format)
 
544
 
 
545
    def test_included_in_known_formats(self):
 
546
        bzrlib.bzrdir.BzrDirFormat.register_control_format(NotBzrDirFormat)
 
547
        try:
 
548
            formats = bzrlib.bzrdir.BzrDirFormat.known_formats()
 
549
            for format in formats:
 
550
                if isinstance(format, NotBzrDirFormat):
 
551
                    return
 
552
            self.fail("No NotBzrDirFormat in %s" % formats)
 
553
        finally:
 
554
            bzrlib.bzrdir.BzrDirFormat.unregister_control_format(NotBzrDirFormat)
 
555
 
 
556
 
 
557
class NonLocalTests(TestCaseWithTransport):
 
558
    """Tests for bzrdir static behaviour on non local paths."""
 
559
 
 
560
    def setUp(self):
 
561
        super(NonLocalTests, self).setUp()
 
562
        self.transport_server = MemoryServer
 
563
    
 
564
    def test_create_branch_convenience(self):
 
565
        # outside a repo the default convenience output is a repo+branch_tree
 
566
        old_format = bzrdir.BzrDirFormat.get_default_format()
 
567
        bzrdir.BzrDirFormat.set_default_format(bzrdir.BzrDirMetaFormat1())
 
568
        try:
 
569
            branch = bzrdir.BzrDir.create_branch_convenience(self.get_url('foo'))
 
570
            self.assertRaises(errors.NoWorkingTree,
 
571
                              branch.bzrdir.open_workingtree)
 
572
            branch.bzrdir.open_repository()
 
573
        finally:
 
574
            bzrdir.BzrDirFormat.set_default_format(old_format)
 
575
 
 
576
    def test_create_branch_convenience_force_tree_not_local_fails(self):
 
577
        # outside a repo the default convenience output is a repo+branch_tree
 
578
        old_format = bzrdir.BzrDirFormat.get_default_format()
 
579
        bzrdir.BzrDirFormat.set_default_format(bzrdir.BzrDirMetaFormat1())
 
580
        try:
 
581
            self.assertRaises(errors.NotLocalUrl,
 
582
                bzrdir.BzrDir.create_branch_convenience,
 
583
                self.get_url('foo'),
 
584
                force_new_tree=True)
 
585
            t = get_transport(self.get_url('.'))
 
586
            self.assertFalse(t.has('foo'))
 
587
        finally:
 
588
            bzrdir.BzrDirFormat.set_default_format(old_format)
 
589
 
 
590
    def test_clone(self):
 
591
        # clone into a nonlocal path works
 
592
        old_format = bzrdir.BzrDirFormat.get_default_format()
 
593
        bzrdir.BzrDirFormat.set_default_format(bzrdir.BzrDirMetaFormat1())
 
594
        try:
 
595
            branch = bzrdir.BzrDir.create_branch_convenience('local')
 
596
        finally:
 
597
            bzrdir.BzrDirFormat.set_default_format(old_format)
 
598
        branch.bzrdir.open_workingtree()
 
599
        result = branch.bzrdir.clone(self.get_url('remote'))
 
600
        self.assertRaises(errors.NoWorkingTree,
 
601
                          result.open_workingtree)
 
602
        result.open_branch()
 
603
        result.open_repository()
 
604