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Viewing changes to bzrlib/tests/test_bzrdir.py

  • Committer: Aaron Bentley
  • Date: 2006-02-22 14:39:42 UTC
  • mto: (2027.1.2 revert-subpath-56549)
  • mto: This revision was merged to the branch mainline in revision 1570.
  • Revision ID: abentley@panoramicfeedback.com-20060222143942-ae72299f2de66767
Fixed build_tree with symlinks

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bzrlib/tests/test_bzrdir.py
 
1
# (C) 2005 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.BzrDirFormat6))
 
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):
 
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
        # but open_downlevel will work
 
147
        t = get_transport(url)
 
148
        self.assertEqual(format.open(t), bzrdir.BzrDir.open_unsupported(url))
 
149
        # unregister the format
 
150
        bzrdir.BzrDirFormat.unregister_format(format)
 
151
        # now open_downlevel should fail too.
 
152
        self.assertRaises(UnknownFormatError, bzrdir.BzrDir.open_unsupported, url)
 
153
 
 
154
    def test_create_repository(self):
 
155
        format = SampleBzrDirFormat()
 
156
        old_format = bzrdir.BzrDirFormat.get_default_format()
 
157
        bzrdir.BzrDirFormat.set_default_format(format)
 
158
        try:
 
159
            repo = bzrdir.BzrDir.create_repository(self.get_url())
 
160
            self.assertEqual('A repository', repo)
 
161
        finally:
 
162
            bzrdir.BzrDirFormat.set_default_format(old_format)
 
163
 
 
164
    def test_create_repository_under_shared(self):
 
165
        # an explicit create_repository always does so.
 
166
        # we trust the format is right from the 'create_repository test'
 
167
        old_format = bzrdir.BzrDirFormat.get_default_format()
 
168
        bzrdir.BzrDirFormat.set_default_format(bzrdir.BzrDirMetaFormat1())
 
169
        try:
 
170
            self.make_repository('.', shared=True)
 
171
            repo = bzrdir.BzrDir.create_repository(self.get_url('child'))
 
172
            self.assertTrue(isinstance(repo, repository.Repository))
 
173
            self.assertTrue(repo.bzrdir.root_transport.base.endswith('child/'))
 
174
        finally:
 
175
            bzrdir.BzrDirFormat.set_default_format(old_format)
 
176
 
 
177
    def test_create_branch_and_repo_uses_default(self):
 
178
        format = SampleBzrDirFormat()
 
179
        old_format = bzrdir.BzrDirFormat.get_default_format()
 
180
        bzrdir.BzrDirFormat.set_default_format(format)
 
181
        try:
 
182
            branch = bzrdir.BzrDir.create_branch_and_repo(self.get_url())
 
183
            self.assertTrue(isinstance(branch, SampleBranch))
 
184
        finally:
 
185
            bzrdir.BzrDirFormat.set_default_format(old_format)
 
186
 
 
187
    def test_create_branch_and_repo_under_shared(self):
 
188
        # creating a branch and repo in a shared repo uses the
 
189
        # shared repository
 
190
        old_format = bzrdir.BzrDirFormat.get_default_format()
 
191
        bzrdir.BzrDirFormat.set_default_format(bzrdir.BzrDirMetaFormat1())
 
192
        try:
 
193
            self.make_repository('.', shared=True)
 
194
            branch = bzrdir.BzrDir.create_branch_and_repo(self.get_url('child'))
 
195
            self.assertRaises(errors.NoRepositoryPresent,
 
196
                              branch.bzrdir.open_repository)
 
197
        finally:
 
198
            bzrdir.BzrDirFormat.set_default_format(old_format)
 
199
 
 
200
    def test_create_branch_and_repo_under_shared_force_new(self):
 
201
        # creating a branch and repo in a shared repo can be forced to 
 
202
        # make a new repo
 
203
        old_format = bzrdir.BzrDirFormat.get_default_format()
 
204
        bzrdir.BzrDirFormat.set_default_format(bzrdir.BzrDirMetaFormat1())
 
205
        try:
 
206
            self.make_repository('.', shared=True)
 
207
            branch = bzrdir.BzrDir.create_branch_and_repo(self.get_url('child'),
 
208
                                                          force_new_repo=True)
 
209
            branch.bzrdir.open_repository()
 
210
        finally:
 
211
            bzrdir.BzrDirFormat.set_default_format(old_format)
 
212
 
 
213
    def test_create_standalone_working_tree(self):
 
214
        format = SampleBzrDirFormat()
 
215
        old_format = bzrdir.BzrDirFormat.get_default_format()
 
216
        bzrdir.BzrDirFormat.set_default_format(format)
 
217
        try:
 
218
            # note this is deliberately readonly, as this failure should 
 
219
            # occur before any writes.
 
220
            self.assertRaises(errors.NotLocalUrl,
 
221
                              bzrdir.BzrDir.create_standalone_workingtree,
 
222
                              self.get_readonly_url())
 
223
            tree = bzrdir.BzrDir.create_standalone_workingtree('.')
 
224
            self.assertEqual('A tree', tree)
 
225
        finally:
 
226
            bzrdir.BzrDirFormat.set_default_format(old_format)
 
227
 
 
228
    def test_create_standalone_working_tree_under_shared_repo(self):
 
229
        # create standalone working tree always makes a repo.
 
230
        old_format = bzrdir.BzrDirFormat.get_default_format()
 
231
        bzrdir.BzrDirFormat.set_default_format(bzrdir.BzrDirMetaFormat1())
 
232
        try:
 
233
            self.make_repository('.', shared=True)
 
234
            # note this is deliberately readonly, as this failure should 
 
235
            # occur before any writes.
 
236
            self.assertRaises(errors.NotLocalUrl,
 
237
                              bzrdir.BzrDir.create_standalone_workingtree,
 
238
                              self.get_readonly_url('child'))
 
239
            tree = bzrdir.BzrDir.create_standalone_workingtree('child')
 
240
            tree.bzrdir.open_repository()
 
241
        finally:
 
242
            bzrdir.BzrDirFormat.set_default_format(old_format)
 
243
 
 
244
    def test_create_branch_convenience(self):
 
245
        # outside a repo the default conveniencec output is a repo+branch_tree
 
246
        old_format = bzrdir.BzrDirFormat.get_default_format()
 
247
        bzrdir.BzrDirFormat.set_default_format(bzrdir.BzrDirMetaFormat1())
 
248
        try:
 
249
            branch = bzrdir.BzrDir.create_branch_convenience('.')
 
250
            branch.bzrdir.open_workingtree()
 
251
            branch.bzrdir.open_repository()
 
252
        finally:
 
253
            bzrdir.BzrDirFormat.set_default_format(old_format)
 
254
 
 
255
    def test_create_branch_convenience_under_shared_repo(self):
 
256
        # inside a repo the default convenience output is a branch+ follow the
 
257
        # repo tree policy
 
258
        old_format = bzrdir.BzrDirFormat.get_default_format()
 
259
        bzrdir.BzrDirFormat.set_default_format(bzrdir.BzrDirMetaFormat1())
 
260
        try:
 
261
            self.make_repository('.', shared=True)
 
262
            branch = bzrdir.BzrDir.create_branch_convenience('child')
 
263
            branch.bzrdir.open_workingtree()
 
264
            self.assertRaises(errors.NoRepositoryPresent,
 
265
                              branch.bzrdir.open_repository)
 
266
        finally:
 
267
            bzrdir.BzrDirFormat.set_default_format(old_format)
 
268
            
 
269
    def test_create_branch_convenience_under_shared_repo_force_no_tree(self):
 
270
        # inside a repo the default convenience output is a branch+ follow the
 
271
        # repo tree policy but we can override that
 
272
        old_format = bzrdir.BzrDirFormat.get_default_format()
 
273
        bzrdir.BzrDirFormat.set_default_format(bzrdir.BzrDirMetaFormat1())
 
274
        try:
 
275
            self.make_repository('.', shared=True)
 
276
            branch = bzrdir.BzrDir.create_branch_convenience('child',
 
277
                force_new_tree=False)
 
278
            self.assertRaises(errors.NoWorkingTree,
 
279
                              branch.bzrdir.open_workingtree)
 
280
            self.assertRaises(errors.NoRepositoryPresent,
 
281
                              branch.bzrdir.open_repository)
 
282
        finally:
 
283
            bzrdir.BzrDirFormat.set_default_format(old_format)
 
284
            
 
285
    def test_create_branch_convenience_under_shared_repo_no_tree_policy(self):
 
286
        # inside a repo the default convenience output is a branch+ follow the
 
287
        # repo tree policy
 
288
        old_format = bzrdir.BzrDirFormat.get_default_format()
 
289
        bzrdir.BzrDirFormat.set_default_format(bzrdir.BzrDirMetaFormat1())
 
290
        try:
 
291
            repo = self.make_repository('.', shared=True)
 
292
            repo.set_make_working_trees(False)
 
293
            branch = bzrdir.BzrDir.create_branch_convenience('child')
 
294
            self.assertRaises(errors.NoWorkingTree,
 
295
                              branch.bzrdir.open_workingtree)
 
296
            self.assertRaises(errors.NoRepositoryPresent,
 
297
                              branch.bzrdir.open_repository)
 
298
        finally:
 
299
            bzrdir.BzrDirFormat.set_default_format(old_format)
 
300
 
 
301
    def test_create_branch_convenience_under_shared_repo_no_tree_policy_force_tree(self):
 
302
        # inside a repo the default convenience output is a branch+ follow the
 
303
        # repo tree policy but we can override that
 
304
        old_format = bzrdir.BzrDirFormat.get_default_format()
 
305
        bzrdir.BzrDirFormat.set_default_format(bzrdir.BzrDirMetaFormat1())
 
306
        try:
 
307
            repo = self.make_repository('.', shared=True)
 
308
            repo.set_make_working_trees(False)
 
309
            branch = bzrdir.BzrDir.create_branch_convenience('child',
 
310
                force_new_tree=True)
 
311
            branch.bzrdir.open_workingtree()
 
312
            self.assertRaises(errors.NoRepositoryPresent,
 
313
                              branch.bzrdir.open_repository)
 
314
        finally:
 
315
            bzrdir.BzrDirFormat.set_default_format(old_format)
 
316
 
 
317
    def test_create_branch_convenience_under_shared_repo_force_new_repo(self):
 
318
        # inside a repo the default convenience output is overridable to give
 
319
        # repo+branch+tree
 
320
        old_format = bzrdir.BzrDirFormat.get_default_format()
 
321
        bzrdir.BzrDirFormat.set_default_format(bzrdir.BzrDirMetaFormat1())
 
322
        try:
 
323
            self.make_repository('.', shared=True)
 
324
            branch = bzrdir.BzrDir.create_branch_convenience('child',
 
325
                force_new_repo=True)
 
326
            branch.bzrdir.open_repository()
 
327
            branch.bzrdir.open_workingtree()
 
328
        finally:
 
329
            bzrdir.BzrDirFormat.set_default_format(old_format)
 
330
 
 
331
 
 
332
class ChrootedTests(TestCaseWithTransport):
 
333
    """A support class that provides readonly urls outside the local namespace.
 
334
 
 
335
    This is done by checking if self.transport_server is a MemoryServer. if it
 
336
    is then we are chrooted already, if it is not then an HttpServer is used
 
337
    for readonly urls.
 
338
    """
 
339
 
 
340
    def setUp(self):
 
341
        super(ChrootedTests, self).setUp()
 
342
        if not self.transport_server == MemoryServer:
 
343
            self.transport_readonly_server = HttpServer
 
344
 
 
345
    def test_open_containing(self):
 
346
        self.assertRaises(NotBranchError, bzrdir.BzrDir.open_containing,
 
347
                          self.get_readonly_url(''))
 
348
        self.assertRaises(NotBranchError, bzrdir.BzrDir.open_containing,
 
349
                          self.get_readonly_url('g/p/q'))
 
350
        control = bzrdir.BzrDir.create(self.get_url())
 
351
        branch, relpath = bzrdir.BzrDir.open_containing(self.get_readonly_url(''))
 
352
        self.assertEqual('', relpath)
 
353
        branch, relpath = bzrdir.BzrDir.open_containing(self.get_readonly_url('g/p/q'))
 
354
        self.assertEqual('g/p/q', relpath)
 
355
 
 
356
    def test_open_containing_from_transport(self):
 
357
        self.assertRaises(NotBranchError, bzrdir.BzrDir.open_containing_from_transport,
 
358
                          get_transport(self.get_readonly_url('')))
 
359
        self.assertRaises(NotBranchError, bzrdir.BzrDir.open_containing_from_transport,
 
360
                          get_transport(self.get_readonly_url('g/p/q')))
 
361
        control = bzrdir.BzrDir.create(self.get_url())
 
362
        branch, relpath = bzrdir.BzrDir.open_containing_from_transport(
 
363
            get_transport(self.get_readonly_url('')))
 
364
        self.assertEqual('', relpath)
 
365
        branch, relpath = bzrdir.BzrDir.open_containing_from_transport(
 
366
            get_transport(self.get_readonly_url('g/p/q')))
 
367
        self.assertEqual('g/p/q', relpath)
 
368
 
 
369
 
 
370
class TestMeta1DirFormat(TestCaseWithTransport):
 
371
    """Tests specific to the meta1 dir format."""
 
372
 
 
373
    def test_right_base_dirs(self):
 
374
        dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
 
375
        t = dir.transport
 
376
        branch_base = t.clone('branch').base
 
377
        self.assertEqual(branch_base, dir.get_branch_transport(None).base)
 
378
        self.assertEqual(branch_base,
 
379
                         dir.get_branch_transport(bzrlib.branch.BzrBranchFormat5()).base)
 
380
        repository_base = t.clone('repository').base
 
381
        self.assertEqual(repository_base, dir.get_repository_transport(None).base)
 
382
        self.assertEqual(repository_base,
 
383
                         dir.get_repository_transport(repository.RepositoryFormat7()).base)
 
384
        checkout_base = t.clone('checkout').base
 
385
        self.assertEqual(checkout_base, dir.get_workingtree_transport(None).base)
 
386
        self.assertEqual(checkout_base,
 
387
                         dir.get_workingtree_transport(workingtree.WorkingTreeFormat3()).base)
 
388
 
 
389
        
 
390
class TestFormat5(TestCaseWithTransport):
 
391
    """Tests specific to the version 5 bzrdir format."""
 
392
 
 
393
    def test_same_lockfiles_between_tree_repo_branch(self):
 
394
        # this checks that only a single lockfiles instance is created 
 
395
        # for format 5 objects
 
396
        dir = bzrdir.BzrDirFormat5().initialize(self.get_url())
 
397
        def check_dir_components_use_same_lock(dir):
 
398
            ctrl_1 = dir.open_repository().control_files
 
399
            ctrl_2 = dir.open_branch().control_files
 
400
            ctrl_3 = dir.open_workingtree()._control_files
 
401
            self.assertTrue(ctrl_1 is ctrl_2)
 
402
            self.assertTrue(ctrl_2 is ctrl_3)
 
403
        check_dir_components_use_same_lock(dir)
 
404
        # and if we open it normally.
 
405
        dir = bzrdir.BzrDir.open(self.get_url())
 
406
        check_dir_components_use_same_lock(dir)
 
407
    
 
408
    def test_can_convert(self):
 
409
        # format 5 dirs are convertable
 
410
        dir = bzrdir.BzrDirFormat5().initialize(self.get_url())
 
411
        self.assertTrue(dir.can_convert_format())
 
412
    
 
413
    def test_needs_conversion(self):
 
414
        # format 5 dirs need a conversion if they are not the default.
 
415
        # and they start of not the default.
 
416
        old_format = bzrdir.BzrDirFormat.get_default_format()
 
417
        bzrdir.BzrDirFormat.set_default_format(bzrdir.BzrDirFormat5())
 
418
        try:
 
419
            dir = bzrdir.BzrDirFormat5().initialize(self.get_url())
 
420
            self.assertFalse(dir.needs_format_conversion())
 
421
        finally:
 
422
            bzrdir.BzrDirFormat.set_default_format(old_format)
 
423
        self.assertTrue(dir.needs_format_conversion())
 
424
 
 
425
 
 
426
class TestFormat6(TestCaseWithTransport):
 
427
    """Tests specific to the version 6 bzrdir format."""
 
428
 
 
429
    def test_same_lockfiles_between_tree_repo_branch(self):
 
430
        # this checks that only a single lockfiles instance is created 
 
431
        # for format 6 objects
 
432
        dir = bzrdir.BzrDirFormat6().initialize(self.get_url())
 
433
        def check_dir_components_use_same_lock(dir):
 
434
            ctrl_1 = dir.open_repository().control_files
 
435
            ctrl_2 = dir.open_branch().control_files
 
436
            ctrl_3 = dir.open_workingtree()._control_files
 
437
            self.assertTrue(ctrl_1 is ctrl_2)
 
438
            self.assertTrue(ctrl_2 is ctrl_3)
 
439
        check_dir_components_use_same_lock(dir)
 
440
        # and if we open it normally.
 
441
        dir = bzrdir.BzrDir.open(self.get_url())
 
442
        check_dir_components_use_same_lock(dir)
 
443
    
 
444
    def test_can_convert(self):
 
445
        # format 6 dirs are convertable
 
446
        dir = bzrdir.BzrDirFormat6().initialize(self.get_url())
 
447
        self.assertTrue(dir.can_convert_format())
 
448
    
 
449
    def test_needs_conversion(self):
 
450
        # format 6 dirs need an conversion if they are not the default.
 
451
        old_format = bzrdir.BzrDirFormat.get_default_format()
 
452
        bzrdir.BzrDirFormat.set_default_format(bzrdir.BzrDirMetaFormat1())
 
453
        try:
 
454
            dir = bzrdir.BzrDirFormat6().initialize(self.get_url())
 
455
            self.assertTrue(dir.needs_format_conversion())
 
456
        finally:
 
457
            bzrdir.BzrDirFormat.set_default_format(old_format)
 
458
        self.assertFalse(dir.needs_format_conversion())