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bzrlib/tests/test_bzrdir.py
1
 
# Copyright (C) 2005, 2006 Canonical Ltd
2
 
# 
 
1
# Copyright (C) 2006-2010 Canonical Ltd
 
2
#
3
3
# This program is free software; you can redistribute it and/or modify
4
4
# it under the terms of the GNU General Public License as published by
5
5
# the Free Software Foundation; either version 2 of the License, or
6
6
# (at your option) any later version.
7
 
# 
 
7
#
8
8
# This program is distributed in the hope that it will be useful,
9
9
# but WITHOUT ANY WARRANTY; without even the implied warranty of
10
10
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
11
11
# GNU General Public License for more details.
12
 
# 
 
12
#
13
13
# You should have received a copy of the GNU General Public License
14
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
 
15
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
16
16
 
17
17
"""Tests for the BzrDir facility and any format specific tests.
18
18
 
19
 
For interface contract tests, see tests/bzr_dir_implementations.
 
19
For interface contract tests, see tests/per_bzr_dir.
20
20
"""
21
21
 
22
 
from StringIO import StringIO
 
22
import os
 
23
import subprocess
 
24
import sys
23
25
 
 
26
from bzrlib import (
 
27
    bzrdir,
 
28
    errors,
 
29
    help_topics,
 
30
    repository,
 
31
    osutils,
 
32
    remote,
 
33
    urlutils,
 
34
    win32utils,
 
35
    workingtree,
 
36
    )
24
37
import bzrlib.branch
25
 
import bzrlib.bzrdir as bzrdir
26
 
import bzrlib.errors as errors
27
38
from bzrlib.errors import (NotBranchError,
 
39
                           NoColocatedBranchSupport,
28
40
                           UnknownFormatError,
29
41
                           UnsupportedFormatError,
30
42
                           )
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
 
43
from bzrlib.tests import (
 
44
    TestCase,
 
45
    TestCaseWithMemoryTransport,
 
46
    TestCaseWithTransport,
 
47
    TestSkipped,
 
48
    )
 
49
from bzrlib.tests import(
 
50
    http_server,
 
51
    http_utils,
 
52
    )
 
53
from bzrlib.tests.test_http import TestWithTransport_pycurl
 
54
from bzrlib.transport import (
 
55
    get_transport,
 
56
    memory,
 
57
    )
 
58
from bzrlib.transport.http._urllib import HttpTransport_urllib
 
59
from bzrlib.transport.nosmart import NoSmartTransportDecorator
 
60
from bzrlib.transport.readonly import ReadonlyTransportDecorator
 
61
from bzrlib.repofmt import knitrepo, weaverepo, pack_repo
37
62
 
38
63
 
39
64
class TestDefaultFormat(TestCase):
42
67
        old_format = bzrdir.BzrDirFormat.get_default_format()
43
68
        # default is BzrDirFormat6
44
69
        self.failUnless(isinstance(old_format, bzrdir.BzrDirMetaFormat1))
45
 
        bzrdir.BzrDirFormat.set_default_format(SampleBzrDirFormat())
 
70
        bzrdir.BzrDirFormat._set_default_format(SampleBzrDirFormat())
46
71
        # creating a bzr dir should now create an instrumented dir.
47
72
        try:
48
 
            result = bzrdir.BzrDir.create('memory:/')
 
73
            result = bzrdir.BzrDir.create('memory:///')
49
74
            self.failUnless(isinstance(result, SampleBzrDir))
50
75
        finally:
51
 
            bzrdir.BzrDirFormat.set_default_format(old_format)
 
76
            bzrdir.BzrDirFormat._set_default_format(old_format)
52
77
        self.assertEqual(old_format, bzrdir.BzrDirFormat.get_default_format())
53
78
 
54
79
 
 
80
class TestFormatRegistry(TestCase):
 
81
 
 
82
    def make_format_registry(self):
 
83
        my_format_registry = bzrdir.BzrDirFormatRegistry()
 
84
        my_format_registry.register('weave', bzrdir.BzrDirFormat6,
 
85
            'Pre-0.8 format.  Slower and does not support checkouts or shared'
 
86
            ' repositories', deprecated=True)
 
87
        my_format_registry.register_lazy('lazy', 'bzrlib.bzrdir',
 
88
            'BzrDirFormat6', 'Format registered lazily', deprecated=True)
 
89
        my_format_registry.register_metadir('knit',
 
90
            'bzrlib.repofmt.knitrepo.RepositoryFormatKnit1',
 
91
            'Format using knits',
 
92
            )
 
93
        my_format_registry.set_default('knit')
 
94
        my_format_registry.register_metadir(
 
95
            'branch6',
 
96
            'bzrlib.repofmt.knitrepo.RepositoryFormatKnit3',
 
97
            'Experimental successor to knit.  Use at your own risk.',
 
98
            branch_format='bzrlib.branch.BzrBranchFormat6',
 
99
            experimental=True)
 
100
        my_format_registry.register_metadir(
 
101
            'hidden format',
 
102
            'bzrlib.repofmt.knitrepo.RepositoryFormatKnit3',
 
103
            'Experimental successor to knit.  Use at your own risk.',
 
104
            branch_format='bzrlib.branch.BzrBranchFormat6', hidden=True)
 
105
        my_format_registry.register('hiddenweave', bzrdir.BzrDirFormat6,
 
106
            'Pre-0.8 format.  Slower and does not support checkouts or shared'
 
107
            ' repositories', hidden=True)
 
108
        my_format_registry.register_lazy('hiddenlazy', 'bzrlib.bzrdir',
 
109
            'BzrDirFormat6', 'Format registered lazily', deprecated=True,
 
110
            hidden=True)
 
111
        return my_format_registry
 
112
 
 
113
    def test_format_registry(self):
 
114
        my_format_registry = self.make_format_registry()
 
115
        my_bzrdir = my_format_registry.make_bzrdir('lazy')
 
116
        self.assertIsInstance(my_bzrdir, bzrdir.BzrDirFormat6)
 
117
        my_bzrdir = my_format_registry.make_bzrdir('weave')
 
118
        self.assertIsInstance(my_bzrdir, bzrdir.BzrDirFormat6)
 
119
        my_bzrdir = my_format_registry.make_bzrdir('default')
 
120
        self.assertIsInstance(my_bzrdir.repository_format,
 
121
            knitrepo.RepositoryFormatKnit1)
 
122
        my_bzrdir = my_format_registry.make_bzrdir('knit')
 
123
        self.assertIsInstance(my_bzrdir.repository_format,
 
124
            knitrepo.RepositoryFormatKnit1)
 
125
        my_bzrdir = my_format_registry.make_bzrdir('branch6')
 
126
        self.assertIsInstance(my_bzrdir.get_branch_format(),
 
127
                              bzrlib.branch.BzrBranchFormat6)
 
128
 
 
129
    def test_get_help(self):
 
130
        my_format_registry = self.make_format_registry()
 
131
        self.assertEqual('Format registered lazily',
 
132
                         my_format_registry.get_help('lazy'))
 
133
        self.assertEqual('Format using knits',
 
134
                         my_format_registry.get_help('knit'))
 
135
        self.assertEqual('Format using knits',
 
136
                         my_format_registry.get_help('default'))
 
137
        self.assertEqual('Pre-0.8 format.  Slower and does not support'
 
138
                         ' checkouts or shared repositories',
 
139
                         my_format_registry.get_help('weave'))
 
140
 
 
141
    def test_help_topic(self):
 
142
        topics = help_topics.HelpTopicRegistry()
 
143
        registry = self.make_format_registry()
 
144
        topics.register('current-formats', registry.help_topic,
 
145
                        'Current formats')
 
146
        topics.register('other-formats', registry.help_topic,
 
147
                        'Other formats')
 
148
        new = topics.get_detail('current-formats')
 
149
        rest = topics.get_detail('other-formats')
 
150
        experimental, deprecated = rest.split('Deprecated formats')
 
151
        self.assertContainsRe(new, 'formats-help')
 
152
        self.assertContainsRe(new,
 
153
                ':knit:\n    \(native\) \(default\) Format using knits\n')
 
154
        self.assertContainsRe(experimental,
 
155
                ':branch6:\n    \(native\) Experimental successor to knit')
 
156
        self.assertContainsRe(deprecated,
 
157
                ':lazy:\n    \(native\) Format registered lazily\n')
 
158
        self.assertNotContainsRe(new, 'hidden')
 
159
 
 
160
    def test_set_default_repository(self):
 
161
        default_factory = bzrdir.format_registry.get('default')
 
162
        old_default = [k for k, v in bzrdir.format_registry.iteritems()
 
163
                       if v == default_factory and k != 'default'][0]
 
164
        bzrdir.format_registry.set_default_repository('dirstate-with-subtree')
 
165
        try:
 
166
            self.assertIs(bzrdir.format_registry.get('dirstate-with-subtree'),
 
167
                          bzrdir.format_registry.get('default'))
 
168
            self.assertIs(
 
169
                repository.RepositoryFormat.get_default_format().__class__,
 
170
                knitrepo.RepositoryFormatKnit3)
 
171
        finally:
 
172
            bzrdir.format_registry.set_default_repository(old_default)
 
173
 
 
174
    def test_aliases(self):
 
175
        a_registry = bzrdir.BzrDirFormatRegistry()
 
176
        a_registry.register('weave', bzrdir.BzrDirFormat6,
 
177
            'Pre-0.8 format.  Slower and does not support checkouts or shared'
 
178
            ' repositories', deprecated=True)
 
179
        a_registry.register('weavealias', bzrdir.BzrDirFormat6,
 
180
            'Pre-0.8 format.  Slower and does not support checkouts or shared'
 
181
            ' repositories', deprecated=True, alias=True)
 
182
        self.assertEqual(frozenset(['weavealias']), a_registry.aliases())
 
183
 
 
184
 
55
185
class SampleBranch(bzrlib.branch.Branch):
56
186
    """A dummy branch for guess what, dummy use."""
57
187
 
59
189
        self.bzrdir = dir
60
190
 
61
191
 
 
192
class SampleRepository(bzrlib.repository.Repository):
 
193
    """A dummy repo."""
 
194
 
 
195
    def __init__(self, dir):
 
196
        self.bzrdir = dir
 
197
 
 
198
 
62
199
class SampleBzrDir(bzrdir.BzrDir):
63
200
    """A sample BzrDir implementation to allow testing static methods."""
64
201
 
65
 
    def create_repository(self):
 
202
    def create_repository(self, shared=False):
66
203
        """See BzrDir.create_repository."""
67
204
        return "A repository"
68
205
 
69
206
    def open_repository(self):
70
207
        """See BzrDir.open_repository."""
71
 
        return "A repository"
 
208
        return SampleRepository(self)
72
209
 
73
 
    def create_branch(self):
 
210
    def create_branch(self, name=None):
74
211
        """See BzrDir.create_branch."""
 
212
        if name is not None:
 
213
            raise NoColocatedBranchSupport(self)
75
214
        return SampleBranch(self)
76
215
 
77
216
    def create_workingtree(self):
82
221
class SampleBzrDirFormat(bzrdir.BzrDirFormat):
83
222
    """A sample format
84
223
 
85
 
    this format is initializable, unsupported to aid in testing the 
 
224
    this format is initializable, unsupported to aid in testing the
86
225
    open and open_downlevel routines.
87
226
    """
88
227
 
90
229
        """See BzrDirFormat.get_format_string()."""
91
230
        return "Sample .bzr dir format."
92
231
 
93
 
    def initialize(self, url):
 
232
    def initialize_on_transport(self, t):
94
233
        """Create a bzr dir."""
95
 
        t = get_transport(url)
96
234
        t.mkdir('.bzr')
97
 
        t.put('.bzr/branch-format', StringIO(self.get_format_string()))
 
235
        t.put_bytes('.bzr/branch-format', self.get_format_string())
98
236
        return SampleBzrDir(t, self)
99
237
 
100
238
    def is_supported(self):
110
248
    def test_find_format(self):
111
249
        # is the right format object found for a branch?
112
250
        # create a branch with a few known format objects.
113
 
        # this is not quite the same as 
 
251
        # this is not quite the same as
114
252
        t = get_transport(self.get_url())
115
253
        self.build_tree(["foo/", "bar/"], transport=t)
116
254
        def check_format(format, url):
120
258
            self.failUnless(isinstance(found_format, format.__class__))
121
259
        check_format(bzrdir.BzrDirFormat5(), "foo")
122
260
        check_format(bzrdir.BzrDirFormat6(), "bar")
123
 
        
 
261
 
124
262
    def test_find_format_nothing_there(self):
125
263
        self.assertRaises(NotBranchError,
126
264
                          bzrdir.BzrDirFormat.find_format,
129
267
    def test_find_format_unknown_format(self):
130
268
        t = get_transport(self.get_url())
131
269
        t.mkdir('.bzr')
132
 
        t.put('.bzr/branch-format', StringIO())
 
270
        t.put_bytes('.bzr/branch-format', '')
133
271
        self.assertRaises(UnknownFormatError,
134
272
                          bzrdir.BzrDirFormat.find_format,
135
273
                          get_transport('.'))
153
291
        # now open_downlevel should fail too.
154
292
        self.assertRaises(UnknownFormatError, bzrdir.BzrDir.open_unsupported, url)
155
293
 
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_under_shared(self):
167
 
        # an explicit create_repository always does so.
168
 
        # we trust the format is right from the 'create_repository test'
169
 
        old_format = bzrdir.BzrDirFormat.get_default_format()
170
 
        bzrdir.BzrDirFormat.set_default_format(bzrdir.BzrDirMetaFormat1())
171
 
        try:
172
 
            self.make_repository('.', shared=True)
173
 
            repo = bzrdir.BzrDir.create_repository(self.get_url('child'))
174
 
            self.assertTrue(isinstance(repo, repository.Repository))
175
 
            self.assertTrue(repo.bzrdir.root_transport.base.endswith('child/'))
176
 
        finally:
177
 
            bzrdir.BzrDirFormat.set_default_format(old_format)
178
 
 
179
294
    def test_create_branch_and_repo_uses_default(self):
180
295
        format = SampleBzrDirFormat()
181
 
        old_format = bzrdir.BzrDirFormat.get_default_format()
182
 
        bzrdir.BzrDirFormat.set_default_format(format)
183
 
        try:
184
 
            branch = bzrdir.BzrDir.create_branch_and_repo(self.get_url())
185
 
            self.assertTrue(isinstance(branch, SampleBranch))
186
 
        finally:
187
 
            bzrdir.BzrDirFormat.set_default_format(old_format)
 
296
        branch = bzrdir.BzrDir.create_branch_and_repo(self.get_url(),
 
297
                                                      format=format)
 
298
        self.assertTrue(isinstance(branch, SampleBranch))
188
299
 
189
300
    def test_create_branch_and_repo_under_shared(self):
190
301
        # creating a branch and repo in a shared repo uses the
191
302
        # shared repository
192
 
        old_format = bzrdir.BzrDirFormat.get_default_format()
193
 
        bzrdir.BzrDirFormat.set_default_format(bzrdir.BzrDirMetaFormat1())
194
 
        try:
195
 
            self.make_repository('.', shared=True)
196
 
            branch = bzrdir.BzrDir.create_branch_and_repo(self.get_url('child'))
197
 
            self.assertRaises(errors.NoRepositoryPresent,
198
 
                              branch.bzrdir.open_repository)
199
 
        finally:
200
 
            bzrdir.BzrDirFormat.set_default_format(old_format)
 
303
        format = bzrdir.format_registry.make_bzrdir('knit')
 
304
        self.make_repository('.', shared=True, format=format)
 
305
        branch = bzrdir.BzrDir.create_branch_and_repo(
 
306
            self.get_url('child'), format=format)
 
307
        self.assertRaises(errors.NoRepositoryPresent,
 
308
                          branch.bzrdir.open_repository)
201
309
 
202
310
    def test_create_branch_and_repo_under_shared_force_new(self):
203
 
        # creating a branch and repo in a shared repo can be forced to 
 
311
        # creating a branch and repo in a shared repo can be forced to
204
312
        # make a new repo
205
 
        old_format = bzrdir.BzrDirFormat.get_default_format()
206
 
        bzrdir.BzrDirFormat.set_default_format(bzrdir.BzrDirMetaFormat1())
207
 
        try:
208
 
            self.make_repository('.', shared=True)
209
 
            branch = bzrdir.BzrDir.create_branch_and_repo(self.get_url('child'),
210
 
                                                          force_new_repo=True)
211
 
            branch.bzrdir.open_repository()
212
 
        finally:
213
 
            bzrdir.BzrDirFormat.set_default_format(old_format)
 
313
        format = bzrdir.format_registry.make_bzrdir('knit')
 
314
        self.make_repository('.', shared=True, format=format)
 
315
        branch = bzrdir.BzrDir.create_branch_and_repo(self.get_url('child'),
 
316
                                                      force_new_repo=True,
 
317
                                                      format=format)
 
318
        branch.bzrdir.open_repository()
214
319
 
215
320
    def test_create_standalone_working_tree(self):
216
321
        format = SampleBzrDirFormat()
217
 
        old_format = bzrdir.BzrDirFormat.get_default_format()
218
 
        bzrdir.BzrDirFormat.set_default_format(format)
219
 
        try:
220
 
            # note this is deliberately readonly, as this failure should 
221
 
            # occur before any writes.
222
 
            self.assertRaises(errors.NotLocalUrl,
223
 
                              bzrdir.BzrDir.create_standalone_workingtree,
224
 
                              self.get_readonly_url())
225
 
            tree = bzrdir.BzrDir.create_standalone_workingtree('.')
226
 
            self.assertEqual('A tree', tree)
227
 
        finally:
228
 
            bzrdir.BzrDirFormat.set_default_format(old_format)
 
322
        # note this is deliberately readonly, as this failure should
 
323
        # occur before any writes.
 
324
        self.assertRaises(errors.NotLocalUrl,
 
325
                          bzrdir.BzrDir.create_standalone_workingtree,
 
326
                          self.get_readonly_url(), format=format)
 
327
        tree = bzrdir.BzrDir.create_standalone_workingtree('.',
 
328
                                                           format=format)
 
329
        self.assertEqual('A tree', tree)
229
330
 
230
331
    def test_create_standalone_working_tree_under_shared_repo(self):
231
332
        # create standalone working tree always makes a repo.
232
 
        old_format = bzrdir.BzrDirFormat.get_default_format()
233
 
        bzrdir.BzrDirFormat.set_default_format(bzrdir.BzrDirMetaFormat1())
234
 
        try:
235
 
            self.make_repository('.', shared=True)
236
 
            # note this is deliberately readonly, as this failure should 
237
 
            # occur before any writes.
238
 
            self.assertRaises(errors.NotLocalUrl,
239
 
                              bzrdir.BzrDir.create_standalone_workingtree,
240
 
                              self.get_readonly_url('child'))
241
 
            tree = bzrdir.BzrDir.create_standalone_workingtree('child')
242
 
            tree.bzrdir.open_repository()
243
 
        finally:
244
 
            bzrdir.BzrDirFormat.set_default_format(old_format)
 
333
        format = bzrdir.format_registry.make_bzrdir('knit')
 
334
        self.make_repository('.', shared=True, format=format)
 
335
        # note this is deliberately readonly, as this failure should
 
336
        # occur before any writes.
 
337
        self.assertRaises(errors.NotLocalUrl,
 
338
                          bzrdir.BzrDir.create_standalone_workingtree,
 
339
                          self.get_readonly_url('child'), format=format)
 
340
        tree = bzrdir.BzrDir.create_standalone_workingtree('child',
 
341
            format=format)
 
342
        tree.bzrdir.open_repository()
245
343
 
246
344
    def test_create_branch_convenience(self):
247
345
        # outside a repo the default convenience output is a repo+branch_tree
248
 
        old_format = bzrdir.BzrDirFormat.get_default_format()
249
 
        bzrdir.BzrDirFormat.set_default_format(bzrdir.BzrDirMetaFormat1())
250
 
        try:
251
 
            branch = bzrdir.BzrDir.create_branch_convenience('.')
252
 
            branch.bzrdir.open_workingtree()
253
 
            branch.bzrdir.open_repository()
254
 
        finally:
255
 
            bzrdir.BzrDirFormat.set_default_format(old_format)
 
346
        format = bzrdir.format_registry.make_bzrdir('knit')
 
347
        branch = bzrdir.BzrDir.create_branch_convenience('.', format=format)
 
348
        branch.bzrdir.open_workingtree()
 
349
        branch.bzrdir.open_repository()
 
350
 
 
351
    def test_create_branch_convenience_possible_transports(self):
 
352
        """Check that the optional 'possible_transports' is recognized"""
 
353
        format = bzrdir.format_registry.make_bzrdir('knit')
 
354
        t = self.get_transport()
 
355
        branch = bzrdir.BzrDir.create_branch_convenience(
 
356
            '.', format=format, possible_transports=[t])
 
357
        branch.bzrdir.open_workingtree()
 
358
        branch.bzrdir.open_repository()
 
359
 
 
360
    def test_create_branch_convenience_root(self):
 
361
        """Creating a branch at the root of a fs should work."""
 
362
        self.vfs_transport_factory = memory.MemoryServer
 
363
        # outside a repo the default convenience output is a repo+branch_tree
 
364
        format = bzrdir.format_registry.make_bzrdir('knit')
 
365
        branch = bzrdir.BzrDir.create_branch_convenience(self.get_url(),
 
366
                                                         format=format)
 
367
        self.assertRaises(errors.NoWorkingTree,
 
368
                          branch.bzrdir.open_workingtree)
 
369
        branch.bzrdir.open_repository()
256
370
 
257
371
    def test_create_branch_convenience_under_shared_repo(self):
258
372
        # inside a repo the default convenience output is a branch+ follow the
259
373
        # repo tree policy
260
 
        old_format = bzrdir.BzrDirFormat.get_default_format()
261
 
        bzrdir.BzrDirFormat.set_default_format(bzrdir.BzrDirMetaFormat1())
262
 
        try:
263
 
            self.make_repository('.', shared=True)
264
 
            branch = bzrdir.BzrDir.create_branch_convenience('child')
265
 
            branch.bzrdir.open_workingtree()
266
 
            self.assertRaises(errors.NoRepositoryPresent,
267
 
                              branch.bzrdir.open_repository)
268
 
        finally:
269
 
            bzrdir.BzrDirFormat.set_default_format(old_format)
270
 
            
 
374
        format = bzrdir.format_registry.make_bzrdir('knit')
 
375
        self.make_repository('.', shared=True, format=format)
 
376
        branch = bzrdir.BzrDir.create_branch_convenience('child',
 
377
            format=format)
 
378
        branch.bzrdir.open_workingtree()
 
379
        self.assertRaises(errors.NoRepositoryPresent,
 
380
                          branch.bzrdir.open_repository)
 
381
 
271
382
    def test_create_branch_convenience_under_shared_repo_force_no_tree(self):
272
383
        # inside a repo the default convenience output is a branch+ follow the
273
384
        # repo tree policy but we can override that
274
 
        old_format = bzrdir.BzrDirFormat.get_default_format()
275
 
        bzrdir.BzrDirFormat.set_default_format(bzrdir.BzrDirMetaFormat1())
276
 
        try:
277
 
            self.make_repository('.', shared=True)
278
 
            branch = bzrdir.BzrDir.create_branch_convenience('child',
279
 
                force_new_tree=False)
280
 
            self.assertRaises(errors.NoWorkingTree,
281
 
                              branch.bzrdir.open_workingtree)
282
 
            self.assertRaises(errors.NoRepositoryPresent,
283
 
                              branch.bzrdir.open_repository)
284
 
        finally:
285
 
            bzrdir.BzrDirFormat.set_default_format(old_format)
286
 
            
 
385
        format = bzrdir.format_registry.make_bzrdir('knit')
 
386
        self.make_repository('.', shared=True, format=format)
 
387
        branch = bzrdir.BzrDir.create_branch_convenience('child',
 
388
            force_new_tree=False, format=format)
 
389
        self.assertRaises(errors.NoWorkingTree,
 
390
                          branch.bzrdir.open_workingtree)
 
391
        self.assertRaises(errors.NoRepositoryPresent,
 
392
                          branch.bzrdir.open_repository)
 
393
 
287
394
    def test_create_branch_convenience_under_shared_repo_no_tree_policy(self):
288
395
        # inside a repo the default convenience output is a branch+ follow the
289
396
        # repo tree policy
290
 
        old_format = bzrdir.BzrDirFormat.get_default_format()
291
 
        bzrdir.BzrDirFormat.set_default_format(bzrdir.BzrDirMetaFormat1())
292
 
        try:
293
 
            repo = self.make_repository('.', shared=True)
294
 
            repo.set_make_working_trees(False)
295
 
            branch = bzrdir.BzrDir.create_branch_convenience('child')
296
 
            self.assertRaises(errors.NoWorkingTree,
297
 
                              branch.bzrdir.open_workingtree)
298
 
            self.assertRaises(errors.NoRepositoryPresent,
299
 
                              branch.bzrdir.open_repository)
300
 
        finally:
301
 
            bzrdir.BzrDirFormat.set_default_format(old_format)
 
397
        format = bzrdir.format_registry.make_bzrdir('knit')
 
398
        repo = self.make_repository('.', shared=True, format=format)
 
399
        repo.set_make_working_trees(False)
 
400
        branch = bzrdir.BzrDir.create_branch_convenience('child',
 
401
                                                         format=format)
 
402
        self.assertRaises(errors.NoWorkingTree,
 
403
                          branch.bzrdir.open_workingtree)
 
404
        self.assertRaises(errors.NoRepositoryPresent,
 
405
                          branch.bzrdir.open_repository)
302
406
 
303
407
    def test_create_branch_convenience_under_shared_repo_no_tree_policy_force_tree(self):
304
408
        # inside a repo the default convenience output is a branch+ follow the
305
409
        # repo tree policy but we can override that
306
 
        old_format = bzrdir.BzrDirFormat.get_default_format()
307
 
        bzrdir.BzrDirFormat.set_default_format(bzrdir.BzrDirMetaFormat1())
308
 
        try:
309
 
            repo = self.make_repository('.', shared=True)
310
 
            repo.set_make_working_trees(False)
311
 
            branch = bzrdir.BzrDir.create_branch_convenience('child',
312
 
                force_new_tree=True)
313
 
            branch.bzrdir.open_workingtree()
314
 
            self.assertRaises(errors.NoRepositoryPresent,
315
 
                              branch.bzrdir.open_repository)
316
 
        finally:
317
 
            bzrdir.BzrDirFormat.set_default_format(old_format)
 
410
        format = bzrdir.format_registry.make_bzrdir('knit')
 
411
        repo = self.make_repository('.', shared=True, format=format)
 
412
        repo.set_make_working_trees(False)
 
413
        branch = bzrdir.BzrDir.create_branch_convenience('child',
 
414
            force_new_tree=True, format=format)
 
415
        branch.bzrdir.open_workingtree()
 
416
        self.assertRaises(errors.NoRepositoryPresent,
 
417
                          branch.bzrdir.open_repository)
318
418
 
319
419
    def test_create_branch_convenience_under_shared_repo_force_new_repo(self):
320
420
        # inside a repo the default convenience output is overridable to give
321
421
        # repo+branch+tree
322
 
        old_format = bzrdir.BzrDirFormat.get_default_format()
323
 
        bzrdir.BzrDirFormat.set_default_format(bzrdir.BzrDirMetaFormat1())
324
 
        try:
325
 
            self.make_repository('.', shared=True)
326
 
            branch = bzrdir.BzrDir.create_branch_convenience('child',
327
 
                force_new_repo=True)
328
 
            branch.bzrdir.open_repository()
329
 
            branch.bzrdir.open_workingtree()
330
 
        finally:
331
 
            bzrdir.BzrDirFormat.set_default_format(old_format)
 
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_repo=True, format=format)
 
426
        branch.bzrdir.open_repository()
 
427
        branch.bzrdir.open_workingtree()
 
428
 
 
429
 
 
430
class TestRepositoryAcquisitionPolicy(TestCaseWithTransport):
 
431
 
 
432
    def test_acquire_repository_standalone(self):
 
433
        """The default acquisition policy should create a standalone branch."""
 
434
        my_bzrdir = self.make_bzrdir('.')
 
435
        repo_policy = my_bzrdir.determine_repository_policy()
 
436
        repo, is_new = repo_policy.acquire_repository()
 
437
        self.assertEqual(repo.bzrdir.root_transport.base,
 
438
                         my_bzrdir.root_transport.base)
 
439
        self.assertFalse(repo.is_shared())
 
440
 
 
441
    def test_determine_stacking_policy(self):
 
442
        parent_bzrdir = self.make_bzrdir('.')
 
443
        child_bzrdir = self.make_bzrdir('child')
 
444
        parent_bzrdir.get_config().set_default_stack_on('http://example.org')
 
445
        repo_policy = child_bzrdir.determine_repository_policy()
 
446
        self.assertEqual('http://example.org', repo_policy._stack_on)
 
447
 
 
448
    def test_determine_stacking_policy_relative(self):
 
449
        parent_bzrdir = self.make_bzrdir('.')
 
450
        child_bzrdir = self.make_bzrdir('child')
 
451
        parent_bzrdir.get_config().set_default_stack_on('child2')
 
452
        repo_policy = child_bzrdir.determine_repository_policy()
 
453
        self.assertEqual('child2', repo_policy._stack_on)
 
454
        self.assertEqual(parent_bzrdir.root_transport.base,
 
455
                         repo_policy._stack_on_pwd)
 
456
 
 
457
    def prepare_default_stacking(self, child_format='1.6'):
 
458
        parent_bzrdir = self.make_bzrdir('.')
 
459
        child_branch = self.make_branch('child', format=child_format)
 
460
        parent_bzrdir.get_config().set_default_stack_on(child_branch.base)
 
461
        new_child_transport = parent_bzrdir.transport.clone('child2')
 
462
        return child_branch, new_child_transport
 
463
 
 
464
    def test_clone_on_transport_obeys_stacking_policy(self):
 
465
        child_branch, new_child_transport = self.prepare_default_stacking()
 
466
        new_child = child_branch.bzrdir.clone_on_transport(new_child_transport)
 
467
        self.assertEqual(child_branch.base,
 
468
                         new_child.open_branch().get_stacked_on_url())
 
469
 
 
470
    def test_default_stacking_with_stackable_branch_unstackable_repo(self):
 
471
        # Make stackable source branch with an unstackable repo format.
 
472
        source_bzrdir = self.make_bzrdir('source')
 
473
        pack_repo.RepositoryFormatKnitPack1().initialize(source_bzrdir)
 
474
        source_branch = bzrlib.branch.BzrBranchFormat7().initialize(
 
475
            source_bzrdir)
 
476
        # Make a directory with a default stacking policy
 
477
        parent_bzrdir = self.make_bzrdir('parent')
 
478
        stacked_on = self.make_branch('parent/stacked-on', format='pack-0.92')
 
479
        parent_bzrdir.get_config().set_default_stack_on(stacked_on.base)
 
480
        # Clone source into directory
 
481
        target = source_bzrdir.clone(self.get_url('parent/target'))
 
482
 
 
483
    def test_sprout_obeys_stacking_policy(self):
 
484
        child_branch, new_child_transport = self.prepare_default_stacking()
 
485
        new_child = child_branch.bzrdir.sprout(new_child_transport.base)
 
486
        self.assertEqual(child_branch.base,
 
487
                         new_child.open_branch().get_stacked_on_url())
 
488
 
 
489
    def test_clone_ignores_policy_for_unsupported_formats(self):
 
490
        child_branch, new_child_transport = self.prepare_default_stacking(
 
491
            child_format='pack-0.92')
 
492
        new_child = child_branch.bzrdir.clone_on_transport(new_child_transport)
 
493
        self.assertRaises(errors.UnstackableBranchFormat,
 
494
                          new_child.open_branch().get_stacked_on_url)
 
495
 
 
496
    def test_sprout_ignores_policy_for_unsupported_formats(self):
 
497
        child_branch, new_child_transport = self.prepare_default_stacking(
 
498
            child_format='pack-0.92')
 
499
        new_child = child_branch.bzrdir.sprout(new_child_transport.base)
 
500
        self.assertRaises(errors.UnstackableBranchFormat,
 
501
                          new_child.open_branch().get_stacked_on_url)
 
502
 
 
503
    def test_sprout_upgrades_format_if_stacked_specified(self):
 
504
        child_branch, new_child_transport = self.prepare_default_stacking(
 
505
            child_format='pack-0.92')
 
506
        new_child = child_branch.bzrdir.sprout(new_child_transport.base,
 
507
                                               stacked=True)
 
508
        self.assertEqual(child_branch.bzrdir.root_transport.base,
 
509
                         new_child.open_branch().get_stacked_on_url())
 
510
        repo = new_child.open_repository()
 
511
        self.assertTrue(repo._format.supports_external_lookups)
 
512
        self.assertFalse(repo.supports_rich_root())
 
513
 
 
514
    def test_clone_on_transport_upgrades_format_if_stacked_on_specified(self):
 
515
        child_branch, new_child_transport = self.prepare_default_stacking(
 
516
            child_format='pack-0.92')
 
517
        new_child = child_branch.bzrdir.clone_on_transport(new_child_transport,
 
518
            stacked_on=child_branch.bzrdir.root_transport.base)
 
519
        self.assertEqual(child_branch.bzrdir.root_transport.base,
 
520
                         new_child.open_branch().get_stacked_on_url())
 
521
        repo = new_child.open_repository()
 
522
        self.assertTrue(repo._format.supports_external_lookups)
 
523
        self.assertFalse(repo.supports_rich_root())
 
524
 
 
525
    def test_sprout_upgrades_to_rich_root_format_if_needed(self):
 
526
        child_branch, new_child_transport = self.prepare_default_stacking(
 
527
            child_format='rich-root-pack')
 
528
        new_child = child_branch.bzrdir.sprout(new_child_transport.base,
 
529
                                               stacked=True)
 
530
        repo = new_child.open_repository()
 
531
        self.assertTrue(repo._format.supports_external_lookups)
 
532
        self.assertTrue(repo.supports_rich_root())
 
533
 
 
534
    def test_add_fallback_repo_handles_absolute_urls(self):
 
535
        stack_on = self.make_branch('stack_on', format='1.6')
 
536
        repo = self.make_repository('repo', format='1.6')
 
537
        policy = bzrdir.UseExistingRepository(repo, stack_on.base)
 
538
        policy._add_fallback(repo)
 
539
 
 
540
    def test_add_fallback_repo_handles_relative_urls(self):
 
541
        stack_on = self.make_branch('stack_on', format='1.6')
 
542
        repo = self.make_repository('repo', format='1.6')
 
543
        policy = bzrdir.UseExistingRepository(repo, '.', stack_on.base)
 
544
        policy._add_fallback(repo)
 
545
 
 
546
    def test_configure_relative_branch_stacking_url(self):
 
547
        stack_on = self.make_branch('stack_on', format='1.6')
 
548
        stacked = self.make_branch('stack_on/stacked', format='1.6')
 
549
        policy = bzrdir.UseExistingRepository(stacked.repository,
 
550
            '.', stack_on.base)
 
551
        policy.configure_branch(stacked)
 
552
        self.assertEqual('..', stacked.get_stacked_on_url())
 
553
 
 
554
    def test_relative_branch_stacking_to_absolute(self):
 
555
        stack_on = self.make_branch('stack_on', format='1.6')
 
556
        stacked = self.make_branch('stack_on/stacked', format='1.6')
 
557
        policy = bzrdir.UseExistingRepository(stacked.repository,
 
558
            '.', self.get_readonly_url('stack_on'))
 
559
        policy.configure_branch(stacked)
 
560
        self.assertEqual(self.get_readonly_url('stack_on'),
 
561
                         stacked.get_stacked_on_url())
332
562
 
333
563
 
334
564
class ChrootedTests(TestCaseWithTransport):
341
571
 
342
572
    def setUp(self):
343
573
        super(ChrootedTests, self).setUp()
344
 
        if not self.transport_server == MemoryServer:
345
 
            self.transport_readonly_server = HttpServer
 
574
        if not self.vfs_transport_factory == memory.MemoryServer:
 
575
            self.transport_readonly_server = http_server.HttpServer
 
576
 
 
577
    def local_branch_path(self, branch):
 
578
         return os.path.realpath(urlutils.local_path_from_url(branch.base))
346
579
 
347
580
    def test_open_containing(self):
348
581
        self.assertRaises(NotBranchError, bzrdir.BzrDir.open_containing,
355
588
        branch, relpath = bzrdir.BzrDir.open_containing(self.get_readonly_url('g/p/q'))
356
589
        self.assertEqual('g/p/q', relpath)
357
590
 
 
591
    def test_open_containing_tree_branch_or_repository_empty(self):
 
592
        self.assertRaises(errors.NotBranchError,
 
593
            bzrdir.BzrDir.open_containing_tree_branch_or_repository,
 
594
            self.get_readonly_url(''))
 
595
 
 
596
    def test_open_containing_tree_branch_or_repository_all(self):
 
597
        self.make_branch_and_tree('topdir')
 
598
        tree, branch, repo, relpath = \
 
599
            bzrdir.BzrDir.open_containing_tree_branch_or_repository(
 
600
                'topdir/foo')
 
601
        self.assertEqual(os.path.realpath('topdir'),
 
602
                         os.path.realpath(tree.basedir))
 
603
        self.assertEqual(os.path.realpath('topdir'),
 
604
                         self.local_branch_path(branch))
 
605
        self.assertEqual(
 
606
            osutils.realpath(os.path.join('topdir', '.bzr', 'repository')),
 
607
            repo.bzrdir.transport.local_abspath('repository'))
 
608
        self.assertEqual(relpath, 'foo')
 
609
 
 
610
    def test_open_containing_tree_branch_or_repository_no_tree(self):
 
611
        self.make_branch('branch')
 
612
        tree, branch, repo, relpath = \
 
613
            bzrdir.BzrDir.open_containing_tree_branch_or_repository(
 
614
                'branch/foo')
 
615
        self.assertEqual(tree, None)
 
616
        self.assertEqual(os.path.realpath('branch'),
 
617
                         self.local_branch_path(branch))
 
618
        self.assertEqual(
 
619
            osutils.realpath(os.path.join('branch', '.bzr', 'repository')),
 
620
            repo.bzrdir.transport.local_abspath('repository'))
 
621
        self.assertEqual(relpath, 'foo')
 
622
 
 
623
    def test_open_containing_tree_branch_or_repository_repo(self):
 
624
        self.make_repository('repo')
 
625
        tree, branch, repo, relpath = \
 
626
            bzrdir.BzrDir.open_containing_tree_branch_or_repository(
 
627
                'repo')
 
628
        self.assertEqual(tree, None)
 
629
        self.assertEqual(branch, None)
 
630
        self.assertEqual(
 
631
            osutils.realpath(os.path.join('repo', '.bzr', 'repository')),
 
632
            repo.bzrdir.transport.local_abspath('repository'))
 
633
        self.assertEqual(relpath, '')
 
634
 
 
635
    def test_open_containing_tree_branch_or_repository_shared_repo(self):
 
636
        self.make_repository('shared', shared=True)
 
637
        bzrdir.BzrDir.create_branch_convenience('shared/branch',
 
638
                                                force_new_tree=False)
 
639
        tree, branch, repo, relpath = \
 
640
            bzrdir.BzrDir.open_containing_tree_branch_or_repository(
 
641
                'shared/branch')
 
642
        self.assertEqual(tree, None)
 
643
        self.assertEqual(os.path.realpath('shared/branch'),
 
644
                         self.local_branch_path(branch))
 
645
        self.assertEqual(
 
646
            osutils.realpath(os.path.join('shared', '.bzr', 'repository')),
 
647
            repo.bzrdir.transport.local_abspath('repository'))
 
648
        self.assertEqual(relpath, '')
 
649
 
 
650
    def test_open_containing_tree_branch_or_repository_branch_subdir(self):
 
651
        self.make_branch_and_tree('foo')
 
652
        self.build_tree(['foo/bar/'])
 
653
        tree, branch, repo, relpath = \
 
654
            bzrdir.BzrDir.open_containing_tree_branch_or_repository(
 
655
                'foo/bar')
 
656
        self.assertEqual(os.path.realpath('foo'),
 
657
                         os.path.realpath(tree.basedir))
 
658
        self.assertEqual(os.path.realpath('foo'),
 
659
                         self.local_branch_path(branch))
 
660
        self.assertEqual(
 
661
            osutils.realpath(os.path.join('foo', '.bzr', 'repository')),
 
662
            repo.bzrdir.transport.local_abspath('repository'))
 
663
        self.assertEqual(relpath, 'bar')
 
664
 
 
665
    def test_open_containing_tree_branch_or_repository_repo_subdir(self):
 
666
        self.make_repository('bar')
 
667
        self.build_tree(['bar/baz/'])
 
668
        tree, branch, repo, relpath = \
 
669
            bzrdir.BzrDir.open_containing_tree_branch_or_repository(
 
670
                'bar/baz')
 
671
        self.assertEqual(tree, None)
 
672
        self.assertEqual(branch, None)
 
673
        self.assertEqual(
 
674
            osutils.realpath(os.path.join('bar', '.bzr', 'repository')),
 
675
            repo.bzrdir.transport.local_abspath('repository'))
 
676
        self.assertEqual(relpath, 'baz')
 
677
 
358
678
    def test_open_containing_from_transport(self):
359
679
        self.assertRaises(NotBranchError, bzrdir.BzrDir.open_containing_from_transport,
360
680
                          get_transport(self.get_readonly_url('')))
368
688
            get_transport(self.get_readonly_url('g/p/q')))
369
689
        self.assertEqual('g/p/q', relpath)
370
690
 
 
691
    def test_open_containing_tree_or_branch(self):
 
692
        self.make_branch_and_tree('topdir')
 
693
        tree, branch, relpath = bzrdir.BzrDir.open_containing_tree_or_branch(
 
694
            'topdir/foo')
 
695
        self.assertEqual(os.path.realpath('topdir'),
 
696
                         os.path.realpath(tree.basedir))
 
697
        self.assertEqual(os.path.realpath('topdir'),
 
698
                         self.local_branch_path(branch))
 
699
        self.assertIs(tree.bzrdir, branch.bzrdir)
 
700
        self.assertEqual('foo', relpath)
 
701
        # opening from non-local should not return the tree
 
702
        tree, branch, relpath = bzrdir.BzrDir.open_containing_tree_or_branch(
 
703
            self.get_readonly_url('topdir/foo'))
 
704
        self.assertEqual(None, tree)
 
705
        self.assertEqual('foo', relpath)
 
706
        # without a tree:
 
707
        self.make_branch('topdir/foo')
 
708
        tree, branch, relpath = bzrdir.BzrDir.open_containing_tree_or_branch(
 
709
            'topdir/foo')
 
710
        self.assertIs(tree, None)
 
711
        self.assertEqual(os.path.realpath('topdir/foo'),
 
712
                         self.local_branch_path(branch))
 
713
        self.assertEqual('', relpath)
 
714
 
 
715
    def test_open_tree_or_branch(self):
 
716
        self.make_branch_and_tree('topdir')
 
717
        tree, branch = bzrdir.BzrDir.open_tree_or_branch('topdir')
 
718
        self.assertEqual(os.path.realpath('topdir'),
 
719
                         os.path.realpath(tree.basedir))
 
720
        self.assertEqual(os.path.realpath('topdir'),
 
721
                         self.local_branch_path(branch))
 
722
        self.assertIs(tree.bzrdir, branch.bzrdir)
 
723
        # opening from non-local should not return the tree
 
724
        tree, branch = bzrdir.BzrDir.open_tree_or_branch(
 
725
            self.get_readonly_url('topdir'))
 
726
        self.assertEqual(None, tree)
 
727
        # without a tree:
 
728
        self.make_branch('topdir/foo')
 
729
        tree, branch = bzrdir.BzrDir.open_tree_or_branch('topdir/foo')
 
730
        self.assertIs(tree, None)
 
731
        self.assertEqual(os.path.realpath('topdir/foo'),
 
732
                         self.local_branch_path(branch))
 
733
 
 
734
    def test_open_from_transport(self):
 
735
        # transport pointing at bzrdir should give a bzrdir with root transport
 
736
        # set to the given transport
 
737
        control = bzrdir.BzrDir.create(self.get_url())
 
738
        transport = get_transport(self.get_url())
 
739
        opened_bzrdir = bzrdir.BzrDir.open_from_transport(transport)
 
740
        self.assertEqual(transport.base, opened_bzrdir.root_transport.base)
 
741
        self.assertIsInstance(opened_bzrdir, bzrdir.BzrDir)
 
742
 
 
743
    def test_open_from_transport_no_bzrdir(self):
 
744
        transport = get_transport(self.get_url())
 
745
        self.assertRaises(NotBranchError, bzrdir.BzrDir.open_from_transport,
 
746
                          transport)
 
747
 
 
748
    def test_open_from_transport_bzrdir_in_parent(self):
 
749
        control = bzrdir.BzrDir.create(self.get_url())
 
750
        transport = get_transport(self.get_url())
 
751
        transport.mkdir('subdir')
 
752
        transport = transport.clone('subdir')
 
753
        self.assertRaises(NotBranchError, bzrdir.BzrDir.open_from_transport,
 
754
                          transport)
 
755
 
 
756
    def test_sprout_recursive(self):
 
757
        tree = self.make_branch_and_tree('tree1',
 
758
                                         format='dirstate-with-subtree')
 
759
        sub_tree = self.make_branch_and_tree('tree1/subtree',
 
760
            format='dirstate-with-subtree')
 
761
        sub_tree.set_root_id('subtree-root')
 
762
        tree.add_reference(sub_tree)
 
763
        self.build_tree(['tree1/subtree/file'])
 
764
        sub_tree.add('file')
 
765
        tree.commit('Initial commit')
 
766
        tree2 = tree.bzrdir.sprout('tree2').open_workingtree()
 
767
        tree2.lock_read()
 
768
        self.addCleanup(tree2.unlock)
 
769
        self.failUnlessExists('tree2/subtree/file')
 
770
        self.assertEqual('tree-reference', tree2.kind('subtree-root'))
 
771
 
 
772
    def test_cloning_metadir(self):
 
773
        """Ensure that cloning metadir is suitable"""
 
774
        bzrdir = self.make_bzrdir('bzrdir')
 
775
        bzrdir.cloning_metadir()
 
776
        branch = self.make_branch('branch', format='knit')
 
777
        format = branch.bzrdir.cloning_metadir()
 
778
        self.assertIsInstance(format.workingtree_format,
 
779
            workingtree.WorkingTreeFormat3)
 
780
 
 
781
    def test_sprout_recursive_treeless(self):
 
782
        tree = self.make_branch_and_tree('tree1',
 
783
            format='dirstate-with-subtree')
 
784
        sub_tree = self.make_branch_and_tree('tree1/subtree',
 
785
            format='dirstate-with-subtree')
 
786
        tree.add_reference(sub_tree)
 
787
        self.build_tree(['tree1/subtree/file'])
 
788
        sub_tree.add('file')
 
789
        tree.commit('Initial commit')
 
790
        tree.bzrdir.destroy_workingtree()
 
791
        repo = self.make_repository('repo', shared=True,
 
792
            format='dirstate-with-subtree')
 
793
        repo.set_make_working_trees(False)
 
794
        tree.bzrdir.sprout('repo/tree2')
 
795
        self.failUnlessExists('repo/tree2/subtree')
 
796
        self.failIfExists('repo/tree2/subtree/file')
 
797
 
 
798
    def make_foo_bar_baz(self):
 
799
        foo = bzrdir.BzrDir.create_branch_convenience('foo').bzrdir
 
800
        bar = self.make_branch('foo/bar').bzrdir
 
801
        baz = self.make_branch('baz').bzrdir
 
802
        return foo, bar, baz
 
803
 
 
804
    def test_find_bzrdirs(self):
 
805
        foo, bar, baz = self.make_foo_bar_baz()
 
806
        transport = get_transport(self.get_url())
 
807
        self.assertEqualBzrdirs([baz, foo, bar],
 
808
                                bzrdir.BzrDir.find_bzrdirs(transport))
 
809
 
 
810
    def test_find_bzrdirs_list_current(self):
 
811
        def list_current(transport):
 
812
            return [s for s in transport.list_dir('') if s != 'baz']
 
813
 
 
814
        foo, bar, baz = self.make_foo_bar_baz()
 
815
        transport = get_transport(self.get_url())
 
816
        self.assertEqualBzrdirs([foo, bar],
 
817
                                bzrdir.BzrDir.find_bzrdirs(transport,
 
818
                                    list_current=list_current))
 
819
 
 
820
 
 
821
    def test_find_bzrdirs_evaluate(self):
 
822
        def evaluate(bzrdir):
 
823
            try:
 
824
                repo = bzrdir.open_repository()
 
825
            except NoRepositoryPresent:
 
826
                return True, bzrdir.root_transport.base
 
827
            else:
 
828
                return False, bzrdir.root_transport.base
 
829
 
 
830
        foo, bar, baz = self.make_foo_bar_baz()
 
831
        transport = get_transport(self.get_url())
 
832
        self.assertEqual([baz.root_transport.base, foo.root_transport.base],
 
833
                         list(bzrdir.BzrDir.find_bzrdirs(transport,
 
834
                                                         evaluate=evaluate)))
 
835
 
 
836
    def assertEqualBzrdirs(self, first, second):
 
837
        first = list(first)
 
838
        second = list(second)
 
839
        self.assertEqual(len(first), len(second))
 
840
        for x, y in zip(first, second):
 
841
            self.assertEqual(x.root_transport.base, y.root_transport.base)
 
842
 
 
843
    def test_find_branches(self):
 
844
        root = self.make_repository('', shared=True)
 
845
        foo, bar, baz = self.make_foo_bar_baz()
 
846
        qux = self.make_bzrdir('foo/qux')
 
847
        transport = get_transport(self.get_url())
 
848
        branches = bzrdir.BzrDir.find_branches(transport)
 
849
        self.assertEqual(baz.root_transport.base, branches[0].base)
 
850
        self.assertEqual(foo.root_transport.base, branches[1].base)
 
851
        self.assertEqual(bar.root_transport.base, branches[2].base)
 
852
 
 
853
        # ensure this works without a top-level repo
 
854
        branches = bzrdir.BzrDir.find_branches(transport.clone('foo'))
 
855
        self.assertEqual(foo.root_transport.base, branches[0].base)
 
856
        self.assertEqual(bar.root_transport.base, branches[1].base)
 
857
 
371
858
 
372
859
class TestMeta1DirFormat(TestCaseWithTransport):
373
860
    """Tests specific to the meta1 dir format."""
382
869
        repository_base = t.clone('repository').base
383
870
        self.assertEqual(repository_base, dir.get_repository_transport(None).base)
384
871
        self.assertEqual(repository_base,
385
 
                         dir.get_repository_transport(repository.RepositoryFormat7()).base)
 
872
                         dir.get_repository_transport(weaverepo.RepositoryFormat7()).base)
386
873
        checkout_base = t.clone('checkout').base
387
874
        self.assertEqual(checkout_base, dir.get_workingtree_transport(None).base)
388
875
        self.assertEqual(checkout_base,
394
881
        t = dir.transport
395
882
        self.assertIsDirectory('branch-lock', t)
396
883
 
397
 
        
 
884
    def test_comparison(self):
 
885
        """Equality and inequality behave properly.
 
886
 
 
887
        Metadirs should compare equal iff they have the same repo, branch and
 
888
        tree formats.
 
889
        """
 
890
        mydir = bzrdir.format_registry.make_bzrdir('knit')
 
891
        self.assertEqual(mydir, mydir)
 
892
        self.assertFalse(mydir != mydir)
 
893
        otherdir = bzrdir.format_registry.make_bzrdir('knit')
 
894
        self.assertEqual(otherdir, mydir)
 
895
        self.assertFalse(otherdir != mydir)
 
896
        otherdir2 = bzrdir.format_registry.make_bzrdir('dirstate-with-subtree')
 
897
        self.assertNotEqual(otherdir2, mydir)
 
898
        self.assertFalse(otherdir2 == mydir)
 
899
 
 
900
    def test_needs_conversion_different_working_tree(self):
 
901
        # meta1dirs need an conversion if any element is not the default.
 
902
        new_format = bzrdir.format_registry.make_bzrdir('dirstate')
 
903
        tree = self.make_branch_and_tree('tree', format='knit')
 
904
        self.assertTrue(tree.bzrdir.needs_format_conversion(
 
905
            new_format))
 
906
 
 
907
    def test_initialize_on_format_uses_smart_transport(self):
 
908
        self.setup_smart_server_with_call_log()
 
909
        new_format = bzrdir.format_registry.make_bzrdir('dirstate')
 
910
        transport = self.get_transport('target')
 
911
        transport.ensure_base()
 
912
        self.reset_smart_call_log()
 
913
        instance = new_format.initialize_on_transport(transport)
 
914
        self.assertIsInstance(instance, remote.RemoteBzrDir)
 
915
        rpc_count = len(self.hpss_calls)
 
916
        # This figure represent the amount of work to perform this use case. It
 
917
        # is entirely ok to reduce this number if a test fails due to rpc_count
 
918
        # being too low. If rpc_count increases, more network roundtrips have
 
919
        # become necessary for this use case. Please do not adjust this number
 
920
        # upwards without agreement from bzr's network support maintainers.
 
921
        self.assertEqual(2, rpc_count)
 
922
 
 
923
 
398
924
class TestFormat5(TestCaseWithTransport):
399
925
    """Tests specific to the version 5 bzrdir format."""
400
926
 
401
927
    def test_same_lockfiles_between_tree_repo_branch(self):
402
 
        # this checks that only a single lockfiles instance is created 
 
928
        # this checks that only a single lockfiles instance is created
403
929
        # for format 5 objects
404
930
        dir = bzrdir.BzrDirFormat5().initialize(self.get_url())
405
931
        def check_dir_components_use_same_lock(dir):
412
938
        # and if we open it normally.
413
939
        dir = bzrdir.BzrDir.open(self.get_url())
414
940
        check_dir_components_use_same_lock(dir)
415
 
    
 
941
 
416
942
    def test_can_convert(self):
417
943
        # format 5 dirs are convertable
418
944
        dir = bzrdir.BzrDirFormat5().initialize(self.get_url())
419
945
        self.assertTrue(dir.can_convert_format())
420
 
    
 
946
 
421
947
    def test_needs_conversion(self):
422
 
        # format 5 dirs need a conversion if they are not the default.
423
 
        # and they start of not the default.
424
 
        old_format = bzrdir.BzrDirFormat.get_default_format()
425
 
        bzrdir.BzrDirFormat.set_default_format(bzrdir.BzrDirFormat5())
426
 
        try:
427
 
            dir = bzrdir.BzrDirFormat5().initialize(self.get_url())
428
 
            self.assertFalse(dir.needs_format_conversion())
429
 
        finally:
430
 
            bzrdir.BzrDirFormat.set_default_format(old_format)
431
 
        self.assertTrue(dir.needs_format_conversion())
 
948
        # format 5 dirs need a conversion if they are not the default,
 
949
        # and they aren't
 
950
        dir = bzrdir.BzrDirFormat5().initialize(self.get_url())
 
951
        # don't need to convert it to itself
 
952
        self.assertFalse(dir.needs_format_conversion(bzrdir.BzrDirFormat5()))
 
953
        # do need to convert it to the current default
 
954
        self.assertTrue(dir.needs_format_conversion(
 
955
            bzrdir.BzrDirFormat.get_default_format()))
432
956
 
433
957
 
434
958
class TestFormat6(TestCaseWithTransport):
435
959
    """Tests specific to the version 6 bzrdir format."""
436
960
 
437
961
    def test_same_lockfiles_between_tree_repo_branch(self):
438
 
        # this checks that only a single lockfiles instance is created 
 
962
        # this checks that only a single lockfiles instance is created
439
963
        # for format 6 objects
440
964
        dir = bzrdir.BzrDirFormat6().initialize(self.get_url())
441
965
        def check_dir_components_use_same_lock(dir):
448
972
        # and if we open it normally.
449
973
        dir = bzrdir.BzrDir.open(self.get_url())
450
974
        check_dir_components_use_same_lock(dir)
451
 
    
 
975
 
452
976
    def test_can_convert(self):
453
977
        # format 6 dirs are convertable
454
978
        dir = bzrdir.BzrDirFormat6().initialize(self.get_url())
455
979
        self.assertTrue(dir.can_convert_format())
456
 
    
 
980
 
457
981
    def test_needs_conversion(self):
458
982
        # format 6 dirs need an conversion if they are not the default.
459
 
        old_format = bzrdir.BzrDirFormat.get_default_format()
460
 
        bzrdir.BzrDirFormat.set_default_format(bzrdir.BzrDirMetaFormat1())
461
 
        try:
462
 
            dir = bzrdir.BzrDirFormat6().initialize(self.get_url())
463
 
            self.assertTrue(dir.needs_format_conversion())
464
 
        finally:
465
 
            bzrdir.BzrDirFormat.set_default_format(old_format)
 
983
        dir = bzrdir.BzrDirFormat6().initialize(self.get_url())
 
984
        self.assertTrue(dir.needs_format_conversion(
 
985
            bzrdir.BzrDirFormat.get_default_format()))
 
986
 
 
987
 
 
988
class NotBzrDir(bzrlib.bzrdir.BzrDir):
 
989
    """A non .bzr based control directory."""
 
990
 
 
991
    def __init__(self, transport, format):
 
992
        self._format = format
 
993
        self.root_transport = transport
 
994
        self.transport = transport.clone('.not')
 
995
 
 
996
 
 
997
class NotBzrDirFormat(bzrlib.bzrdir.BzrDirFormat):
 
998
    """A test class representing any non-.bzr based disk format."""
 
999
 
 
1000
    def initialize_on_transport(self, transport):
 
1001
        """Initialize a new .not dir in the base directory of a Transport."""
 
1002
        transport.mkdir('.not')
 
1003
        return self.open(transport)
 
1004
 
 
1005
    def open(self, transport):
 
1006
        """Open this directory."""
 
1007
        return NotBzrDir(transport, self)
 
1008
 
 
1009
    @classmethod
 
1010
    def _known_formats(self):
 
1011
        return set([NotBzrDirFormat()])
 
1012
 
 
1013
    @classmethod
 
1014
    def probe_transport(self, transport):
 
1015
        """Our format is present if the transport ends in '.not/'."""
 
1016
        if transport.has('.not'):
 
1017
            return NotBzrDirFormat()
 
1018
 
 
1019
 
 
1020
class TestNotBzrDir(TestCaseWithTransport):
 
1021
    """Tests for using the bzrdir api with a non .bzr based disk format.
 
1022
 
 
1023
    If/when one of these is in the core, we can let the implementation tests
 
1024
    verify this works.
 
1025
    """
 
1026
 
 
1027
    def test_create_and_find_format(self):
 
1028
        # create a .notbzr dir
 
1029
        format = NotBzrDirFormat()
 
1030
        dir = format.initialize(self.get_url())
 
1031
        self.assertIsInstance(dir, NotBzrDir)
 
1032
        # now probe for it.
 
1033
        bzrlib.bzrdir.BzrDirFormat.register_control_format(format)
 
1034
        try:
 
1035
            found = bzrlib.bzrdir.BzrDirFormat.find_format(
 
1036
                get_transport(self.get_url()))
 
1037
            self.assertIsInstance(found, NotBzrDirFormat)
 
1038
        finally:
 
1039
            bzrlib.bzrdir.BzrDirFormat.unregister_control_format(format)
 
1040
 
 
1041
    def test_included_in_known_formats(self):
 
1042
        bzrlib.bzrdir.BzrDirFormat.register_control_format(NotBzrDirFormat)
 
1043
        try:
 
1044
            formats = bzrlib.bzrdir.BzrDirFormat.known_formats()
 
1045
            for format in formats:
 
1046
                if isinstance(format, NotBzrDirFormat):
 
1047
                    return
 
1048
            self.fail("No NotBzrDirFormat in %s" % formats)
 
1049
        finally:
 
1050
            bzrlib.bzrdir.BzrDirFormat.unregister_control_format(NotBzrDirFormat)
466
1051
 
467
1052
 
468
1053
class NonLocalTests(TestCaseWithTransport):
470
1055
 
471
1056
    def setUp(self):
472
1057
        super(NonLocalTests, self).setUp()
473
 
        self.transport_server = MemoryServer
474
 
    
 
1058
        self.vfs_transport_factory = memory.MemoryServer
 
1059
 
475
1060
    def test_create_branch_convenience(self):
476
1061
        # outside a repo the default convenience output is a repo+branch_tree
477
 
        old_format = bzrdir.BzrDirFormat.get_default_format()
478
 
        bzrdir.BzrDirFormat.set_default_format(bzrdir.BzrDirMetaFormat1())
479
 
        try:
480
 
            branch = bzrdir.BzrDir.create_branch_convenience(self.get_url('foo'))
481
 
            self.assertRaises(errors.NoWorkingTree,
482
 
                              branch.bzrdir.open_workingtree)
483
 
            branch.bzrdir.open_repository()
484
 
        finally:
485
 
            bzrdir.BzrDirFormat.set_default_format(old_format)
 
1062
        format = bzrdir.format_registry.make_bzrdir('knit')
 
1063
        branch = bzrdir.BzrDir.create_branch_convenience(
 
1064
            self.get_url('foo'), format=format)
 
1065
        self.assertRaises(errors.NoWorkingTree,
 
1066
                          branch.bzrdir.open_workingtree)
 
1067
        branch.bzrdir.open_repository()
486
1068
 
487
1069
    def test_create_branch_convenience_force_tree_not_local_fails(self):
488
1070
        # outside a repo the default convenience output is a repo+branch_tree
489
 
        old_format = bzrdir.BzrDirFormat.get_default_format()
490
 
        bzrdir.BzrDirFormat.set_default_format(bzrdir.BzrDirMetaFormat1())
491
 
        try:
492
 
            self.assertRaises(errors.NotLocalUrl,
493
 
                bzrdir.BzrDir.create_branch_convenience,
494
 
                self.get_url('foo'),
495
 
                force_new_tree=True)
496
 
            t = get_transport(self.get_url('.'))
497
 
            self.assertFalse(t.has('foo'))
498
 
        finally:
499
 
            bzrdir.BzrDirFormat.set_default_format(old_format)
 
1071
        format = bzrdir.format_registry.make_bzrdir('knit')
 
1072
        self.assertRaises(errors.NotLocalUrl,
 
1073
            bzrdir.BzrDir.create_branch_convenience,
 
1074
            self.get_url('foo'),
 
1075
            force_new_tree=True,
 
1076
            format=format)
 
1077
        t = get_transport(self.get_url('.'))
 
1078
        self.assertFalse(t.has('foo'))
500
1079
 
501
1080
    def test_clone(self):
502
1081
        # clone into a nonlocal path works
503
 
        old_format = bzrdir.BzrDirFormat.get_default_format()
504
 
        bzrdir.BzrDirFormat.set_default_format(bzrdir.BzrDirMetaFormat1())
505
 
        try:
506
 
            branch = bzrdir.BzrDir.create_branch_convenience('local')
507
 
        finally:
508
 
            bzrdir.BzrDirFormat.set_default_format(old_format)
 
1082
        format = bzrdir.format_registry.make_bzrdir('knit')
 
1083
        branch = bzrdir.BzrDir.create_branch_convenience('local',
 
1084
                                                         format=format)
509
1085
        branch.bzrdir.open_workingtree()
510
1086
        result = branch.bzrdir.clone(self.get_url('remote'))
511
1087
        self.assertRaises(errors.NoWorkingTree,
513
1089
        result.open_branch()
514
1090
        result.open_repository()
515
1091
 
 
1092
    def test_checkout_metadir(self):
 
1093
        # checkout_metadir has reasonable working tree format even when no
 
1094
        # working tree is present
 
1095
        self.make_branch('branch-knit2', format='dirstate-with-subtree')
 
1096
        my_bzrdir = bzrdir.BzrDir.open(self.get_url('branch-knit2'))
 
1097
        checkout_format = my_bzrdir.checkout_metadir()
 
1098
        self.assertIsInstance(checkout_format.workingtree_format,
 
1099
                              workingtree.WorkingTreeFormat3)
 
1100
 
 
1101
 
 
1102
class TestHTTPRedirections(object):
 
1103
    """Test redirection between two http servers.
 
1104
 
 
1105
    This MUST be used by daughter classes that also inherit from
 
1106
    TestCaseWithTwoWebservers.
 
1107
 
 
1108
    We can't inherit directly from TestCaseWithTwoWebservers or the
 
1109
    test framework will try to create an instance which cannot
 
1110
    run, its implementation being incomplete.
 
1111
    """
 
1112
 
 
1113
    def create_transport_readonly_server(self):
 
1114
        return http_utils.HTTPServerRedirecting()
 
1115
 
 
1116
    def create_transport_secondary_server(self):
 
1117
        return http_utils.HTTPServerRedirecting()
 
1118
 
 
1119
    def setUp(self):
 
1120
        super(TestHTTPRedirections, self).setUp()
 
1121
        # The redirections will point to the new server
 
1122
        self.new_server = self.get_readonly_server()
 
1123
        # The requests to the old server will be redirected
 
1124
        self.old_server = self.get_secondary_server()
 
1125
        # Configure the redirections
 
1126
        self.old_server.redirect_to(self.new_server.host, self.new_server.port)
 
1127
 
 
1128
    def test_loop(self):
 
1129
        # Both servers redirect to each other creating a loop
 
1130
        self.new_server.redirect_to(self.old_server.host, self.old_server.port)
 
1131
        # Starting from either server should loop
 
1132
        old_url = self._qualified_url(self.old_server.host,
 
1133
                                      self.old_server.port)
 
1134
        oldt = self._transport(old_url)
 
1135
        self.assertRaises(errors.NotBranchError,
 
1136
                          bzrdir.BzrDir.open_from_transport, oldt)
 
1137
        new_url = self._qualified_url(self.new_server.host,
 
1138
                                      self.new_server.port)
 
1139
        newt = self._transport(new_url)
 
1140
        self.assertRaises(errors.NotBranchError,
 
1141
                          bzrdir.BzrDir.open_from_transport, newt)
 
1142
 
 
1143
    def test_qualifier_preserved(self):
 
1144
        wt = self.make_branch_and_tree('branch')
 
1145
        old_url = self._qualified_url(self.old_server.host,
 
1146
                                      self.old_server.port)
 
1147
        start = self._transport(old_url).clone('branch')
 
1148
        bdir = bzrdir.BzrDir.open_from_transport(start)
 
1149
        # Redirection should preserve the qualifier, hence the transport class
 
1150
        # itself.
 
1151
        self.assertIsInstance(bdir.root_transport, type(start))
 
1152
 
 
1153
 
 
1154
class TestHTTPRedirections_urllib(TestHTTPRedirections,
 
1155
                                  http_utils.TestCaseWithTwoWebservers):
 
1156
    """Tests redirections for urllib implementation"""
 
1157
 
 
1158
    _transport = HttpTransport_urllib
 
1159
 
 
1160
    def _qualified_url(self, host, port):
 
1161
        result = 'http+urllib://%s:%s' % (host, port)
 
1162
        self.permit_url(result)
 
1163
        return result
 
1164
 
 
1165
 
 
1166
 
 
1167
class TestHTTPRedirections_pycurl(TestWithTransport_pycurl,
 
1168
                                  TestHTTPRedirections,
 
1169
                                  http_utils.TestCaseWithTwoWebservers):
 
1170
    """Tests redirections for pycurl implementation"""
 
1171
 
 
1172
    def _qualified_url(self, host, port):
 
1173
        result = 'http+pycurl://%s:%s' % (host, port)
 
1174
        self.permit_url(result)
 
1175
        return result
 
1176
 
 
1177
 
 
1178
class TestHTTPRedirections_nosmart(TestHTTPRedirections,
 
1179
                                  http_utils.TestCaseWithTwoWebservers):
 
1180
    """Tests redirections for the nosmart decorator"""
 
1181
 
 
1182
    _transport = NoSmartTransportDecorator
 
1183
 
 
1184
    def _qualified_url(self, host, port):
 
1185
        result = 'nosmart+http://%s:%s' % (host, port)
 
1186
        self.permit_url(result)
 
1187
        return result
 
1188
 
 
1189
 
 
1190
class TestHTTPRedirections_readonly(TestHTTPRedirections,
 
1191
                                    http_utils.TestCaseWithTwoWebservers):
 
1192
    """Tests redirections for readonly decoratror"""
 
1193
 
 
1194
    _transport = ReadonlyTransportDecorator
 
1195
 
 
1196
    def _qualified_url(self, host, port):
 
1197
        result = 'readonly+http://%s:%s' % (host, port)
 
1198
        self.permit_url(result)
 
1199
        return result
 
1200
 
 
1201
 
 
1202
class TestDotBzrHidden(TestCaseWithTransport):
 
1203
 
 
1204
    ls = ['ls']
 
1205
    if sys.platform == 'win32':
 
1206
        ls = [os.environ['COMSPEC'], '/C', 'dir', '/B']
 
1207
 
 
1208
    def get_ls(self):
 
1209
        f = subprocess.Popen(self.ls, stdout=subprocess.PIPE,
 
1210
            stderr=subprocess.PIPE)
 
1211
        out, err = f.communicate()
 
1212
        self.assertEqual(0, f.returncode, 'Calling %s failed: %s'
 
1213
                         % (self.ls, err))
 
1214
        return out.splitlines()
 
1215
 
 
1216
    def test_dot_bzr_hidden(self):
 
1217
        if sys.platform == 'win32' and not win32utils.has_win32file:
 
1218
            raise TestSkipped('unable to make file hidden without pywin32 library')
 
1219
        b = bzrdir.BzrDir.create('.')
 
1220
        self.build_tree(['a'])
 
1221
        self.assertEquals(['a'], self.get_ls())
 
1222
 
 
1223
    def test_dot_bzr_hidden_with_url(self):
 
1224
        if sys.platform == 'win32' and not win32utils.has_win32file:
 
1225
            raise TestSkipped('unable to make file hidden without pywin32 library')
 
1226
        b = bzrdir.BzrDir.create(urlutils.local_path_to_url('.'))
 
1227
        self.build_tree(['a'])
 
1228
        self.assertEquals(['a'], self.get_ls())
 
1229
 
 
1230
 
 
1231
class _TestBzrDirFormat(bzrdir.BzrDirMetaFormat1):
 
1232
    """Test BzrDirFormat implementation for TestBzrDirSprout."""
 
1233
 
 
1234
    def _open(self, transport):
 
1235
        return _TestBzrDir(transport, self)
 
1236
 
 
1237
 
 
1238
class _TestBzrDir(bzrdir.BzrDirMeta1):
 
1239
    """Test BzrDir implementation for TestBzrDirSprout.
 
1240
 
 
1241
    When created a _TestBzrDir already has repository and a branch.  The branch
 
1242
    is a test double as well.
 
1243
    """
 
1244
 
 
1245
    def __init__(self, *args, **kwargs):
 
1246
        super(_TestBzrDir, self).__init__(*args, **kwargs)
 
1247
        self.test_branch = _TestBranch()
 
1248
        self.test_branch.repository = self.create_repository()
 
1249
 
 
1250
    def open_branch(self, unsupported=False):
 
1251
        return self.test_branch
 
1252
 
 
1253
    def cloning_metadir(self, require_stacking=False):
 
1254
        return _TestBzrDirFormat()
 
1255
 
 
1256
 
 
1257
class _TestBranchFormat(bzrlib.branch.BranchFormat):
 
1258
    """Test Branch format for TestBzrDirSprout."""
 
1259
 
 
1260
 
 
1261
class _TestBranch(bzrlib.branch.Branch):
 
1262
    """Test Branch implementation for TestBzrDirSprout."""
 
1263
 
 
1264
    def __init__(self, *args, **kwargs):
 
1265
        self._format = _TestBranchFormat()
 
1266
        super(_TestBranch, self).__init__(*args, **kwargs)
 
1267
        self.calls = []
 
1268
        self._parent = None
 
1269
 
 
1270
    def sprout(self, *args, **kwargs):
 
1271
        self.calls.append('sprout')
 
1272
        return _TestBranch()
 
1273
 
 
1274
    def copy_content_into(self, destination, revision_id=None):
 
1275
        self.calls.append('copy_content_into')
 
1276
 
 
1277
    def get_parent(self):
 
1278
        return self._parent
 
1279
 
 
1280
    def set_parent(self, parent):
 
1281
        self._parent = parent
 
1282
 
 
1283
 
 
1284
class TestBzrDirSprout(TestCaseWithMemoryTransport):
 
1285
 
 
1286
    def test_sprout_uses_branch_sprout(self):
 
1287
        """BzrDir.sprout calls Branch.sprout.
 
1288
 
 
1289
        Usually, BzrDir.sprout should delegate to the branch's sprout method
 
1290
        for part of the work.  This allows the source branch to control the
 
1291
        choice of format for the new branch.
 
1292
 
 
1293
        There are exceptions, but this tests avoids them:
 
1294
          - if there's no branch in the source bzrdir,
 
1295
          - or if the stacking has been requested and the format needs to be
 
1296
            overridden to satisfy that.
 
1297
        """
 
1298
        # Make an instrumented bzrdir.
 
1299
        t = self.get_transport('source')
 
1300
        t.ensure_base()
 
1301
        source_bzrdir = _TestBzrDirFormat().initialize_on_transport(t)
 
1302
        # The instrumented bzrdir has a test_branch attribute that logs calls
 
1303
        # made to the branch contained in that bzrdir.  Initially the test
 
1304
        # branch exists but no calls have been made to it.
 
1305
        self.assertEqual([], source_bzrdir.test_branch.calls)
 
1306
 
 
1307
        # Sprout the bzrdir
 
1308
        target_url = self.get_url('target')
 
1309
        result = source_bzrdir.sprout(target_url, recurse='no')
 
1310
 
 
1311
        # The bzrdir called the branch's sprout method.
 
1312
        self.assertSubset(['sprout'], source_bzrdir.test_branch.calls)
 
1313
 
 
1314
    def test_sprout_parent(self):
 
1315
        grandparent_tree = self.make_branch('grandparent')
 
1316
        parent = grandparent_tree.bzrdir.sprout('parent').open_branch()
 
1317
        branch_tree = parent.bzrdir.sprout('branch').open_branch()
 
1318
        self.assertContainsRe(branch_tree.get_parent(), '/parent/$')
 
1319
 
 
1320
 
 
1321
class TestBzrDirHooks(TestCaseWithMemoryTransport):
 
1322
 
 
1323
    def test_pre_open_called(self):
 
1324
        calls = []
 
1325
        bzrdir.BzrDir.hooks.install_named_hook('pre_open', calls.append, None)
 
1326
        transport = self.get_transport('foo')
 
1327
        url = transport.base
 
1328
        self.assertRaises(errors.NotBranchError, bzrdir.BzrDir.open, url)
 
1329
        self.assertEqual([transport.base], [t.base for t in calls])
 
1330
 
 
1331
    def test_pre_open_actual_exceptions_raised(self):
 
1332
        count = [0]
 
1333
        def fail_once(transport):
 
1334
            count[0] += 1
 
1335
            if count[0] == 1:
 
1336
                raise errors.BzrError("fail")
 
1337
        bzrdir.BzrDir.hooks.install_named_hook('pre_open', fail_once, None)
 
1338
        transport = self.get_transport('foo')
 
1339
        url = transport.base
 
1340
        err = self.assertRaises(errors.BzrError, bzrdir.BzrDir.open, url)
 
1341
        self.assertEqual('fail', err._preformatted_string)