17
17
"""Tests for the Branch facility that are not interface tests.
19
For interface tests see `tests/per_branch/*.py`.
19
For interface tests see tests/per_branch/*.py.
21
21
For concrete class tests see this file, and for meta-branch tests
22
22
also see this file.
25
from cStringIO import StringIO
27
28
branch as _mod_branch,
36
branch as _mod_bzrbranch,
39
from ..bzr.fullhistory import (
43
from ..sixish import (
48
class TestErrors(tests.TestCase):
50
def test_unstackable_branch_format(self):
53
error = _mod_branch.UnstackableBranchFormat(format, url)
55
"The branch '/foo'(foo) is not a stackable format. "
56
"You will need to upgrade the branch to permit branch stacking.",
60
39
class TestDefaultFormat(tests.TestCase):
62
41
def test_default_format(self):
63
42
# update this if you change the default branch format
64
self.assertIsInstance(_mod_branch.format_registry.get_default(),
65
_mod_bzrbranch.BzrBranchFormat7)
43
self.assertIsInstance(_mod_branch.BranchFormat.get_default_format(),
44
_mod_branch.BzrBranchFormat7)
67
46
def test_default_format_is_same_as_bzrdir_default(self):
68
47
# XXX: it might be nice if there was only one place the default was
69
48
# set, but at the moment that's not true -- mbp 20070814 --
70
49
# https://bugs.launchpad.net/bzr/+bug/132376
72
_mod_branch.format_registry.get_default(),
51
_mod_branch.BranchFormat.get_default_format(),
73
52
bzrdir.BzrDirFormat.get_default_format().get_branch_format())
75
54
def test_get_set_default_format(self):
76
55
# set the format and then set it back again
77
old_format = _mod_branch.format_registry.get_default()
78
_mod_branch.format_registry.set_default(
56
old_format = _mod_branch.BranchFormat.get_default_format()
57
_mod_branch.BranchFormat.set_default_format(SampleBranchFormat())
81
59
# the default branch format is used by the meta dir format
82
60
# which is not the default bzrdir format at this point
108
86
self.assertIsDirectory('.bzr/branch/lock/held', t)
110
88
def test_set_push_location(self):
111
conf = config.LocationConfig.from_string('# comment\n', '.', save=True)
89
from bzrlib.config import (locations_config_filename,
90
ensure_config_dir_exists)
91
ensure_config_dir_exists()
92
fn = locations_config_filename()
93
# write correct newlines to locations.conf
94
# by default ConfigObj uses native line-endings for new files
95
# but uses already existing line-endings if file is not empty
98
f.write('# comment\n')
113
102
branch = self.make_branch('.', format='knit')
114
103
branch.set_push_location('foo')
115
104
local_path = urlutils.local_path_from_url(branch.base[:-1])
116
self.assertFileEqual(b"# comment\n"
118
b"push_location = foo\n"
119
b"push_location:policy = norecurse\n" % local_path.encode(
121
bedding.locations_config_path())
105
self.assertFileEqual("# comment\n"
107
"push_location = foo\n"
108
"push_location:policy = norecurse\n" % local_path,
123
111
# TODO RBC 20051029 test getting a push location from a branch in a
124
112
# recursive section - that is, it appends the branch name.
127
class SampleBranchFormat(_mod_bzrbranch.BranchFormatMetadir):
115
class SampleBranchFormat(_mod_branch.BranchFormat):
128
116
"""A sample format
130
118
this format is initializable, unsupported to aid in testing the
131
119
open and open_downlevel routines.
135
def get_format_string(cls):
122
def get_format_string(self):
136
123
"""See BzrBranchFormat.get_format_string()."""
137
return b"Sample branch format."
124
return "Sample branch format."
139
def initialize(self, a_controldir, name=None, repository=None,
140
append_revisions_only=None):
126
def initialize(self, a_bzrdir, name=None):
141
127
"""Format 4 branches cannot be created."""
142
t = a_controldir.get_branch_transport(self, name=name)
128
t = a_bzrdir.get_branch_transport(self, name=name)
143
129
t.put_bytes('format', self.get_format_string())
144
130
return 'A branch'
146
132
def is_supported(self):
149
def open(self, transport, name=None, _found=False, ignore_fallbacks=False,
150
possible_transports=None):
135
def open(self, transport, name=None, _found=False, ignore_fallbacks=False):
151
136
return "opened branch."
154
# Demonstrating how lazy loading is often implemented:
155
# A constant string is created.
156
SampleSupportedBranchFormatString = b"Sample supported branch format."
158
# And the format class can then reference the constant to avoid skew.
161
class SampleSupportedBranchFormat(_mod_bzrbranch.BranchFormatMetadir):
162
"""A sample supported format."""
165
def get_format_string(cls):
166
"""See BzrBranchFormat.get_format_string()."""
167
return SampleSupportedBranchFormatString
169
def initialize(self, a_controldir, name=None, append_revisions_only=None):
170
t = a_controldir.get_branch_transport(self, name=name)
171
t.put_bytes('format', self.get_format_string())
174
def open(self, transport, name=None, _found=False, ignore_fallbacks=False,
175
possible_transports=None):
176
return "opened supported branch."
179
class SampleExtraBranchFormat(_mod_branch.BranchFormat):
180
"""A sample format that is not usable in a metadir."""
182
def get_format_string(self):
183
# This format is not usable in a metadir.
186
def network_name(self):
187
# Network name always has to be provided.
190
def initialize(self, a_controldir, name=None):
191
raise NotImplementedError(self.initialize)
193
def open(self, transport, name=None, _found=False, ignore_fallbacks=False,
194
possible_transports=None):
195
raise NotImplementedError(self.open)
198
139
class TestBzrBranchFormat(tests.TestCaseWithTransport):
199
140
"""Tests for the BzrBranchFormat facility."""
203
144
# create a branch with a few known format objects.
204
145
# this is not quite the same as
205
146
self.build_tree(["foo/", "bar/"])
207
147
def check_format(format, url):
208
dir = format._matchingcontroldir.initialize(url)
148
dir = format._matchingbzrdir.initialize(url)
209
149
dir.create_repository()
210
150
format.initialize(dir)
211
found_format = _mod_bzrbranch.BranchFormatMetadir.find_format(dir)
212
self.assertIsInstance(found_format, format.__class__)
213
check_format(BzrBranchFormat5(), "bar")
215
def test_from_string(self):
216
self.assertIsInstance(
217
SampleBranchFormat.from_string(b"Sample branch format."),
219
self.assertRaises(AssertionError,
220
SampleBranchFormat.from_string, b"Different branch format.")
151
found_format = _mod_branch.BranchFormat.find_format(dir)
152
self.failUnless(isinstance(found_format, format.__class__))
153
check_format(_mod_branch.BzrBranchFormat5(), "bar")
222
155
def test_find_format_not_branch(self):
223
156
dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
224
157
self.assertRaises(errors.NotBranchError,
225
_mod_bzrbranch.BranchFormatMetadir.find_format,
158
_mod_branch.BranchFormat.find_format,
228
161
def test_find_format_unknown_format(self):
229
162
dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
230
163
SampleBranchFormat().initialize(dir)
231
164
self.assertRaises(errors.UnknownFormatError,
232
_mod_bzrbranch.BranchFormatMetadir.find_format,
165
_mod_branch.BranchFormat.find_format,
235
def test_find_format_with_features(self):
236
tree = self.make_branch_and_tree('.', format='2a')
237
tree.branch.update_feature_flags({b"name": b"optional"})
238
found_format = _mod_bzrbranch.BranchFormatMetadir.find_format(
240
self.assertIsInstance(found_format, _mod_bzrbranch.BranchFormatMetadir)
241
self.assertEqual(found_format.features.get(b"name"), b"optional")
242
tree.branch.update_feature_flags({b"name": None})
243
branch = _mod_branch.Branch.open('.')
244
self.assertEqual(branch._format.features, {})
247
class TestBranchFormatRegistry(tests.TestCase):
250
super(TestBranchFormatRegistry, self).setUp()
251
self.registry = _mod_branch.BranchFormatRegistry()
253
def test_default(self):
254
self.assertIs(None, self.registry.get_default())
255
format = SampleBranchFormat()
256
self.registry.set_default(format)
257
self.assertEqual(format, self.registry.get_default())
259
168
def test_register_unregister_format(self):
260
169
format = SampleBranchFormat()
261
self.registry.register(format)
262
self.assertEqual(format,
263
self.registry.get(b"Sample branch format."))
264
self.registry.remove(format)
265
self.assertRaises(KeyError, self.registry.get,
266
b"Sample branch format.")
268
def test_get_all(self):
269
format = SampleBranchFormat()
270
self.assertEqual([], self.registry._get_all())
271
self.registry.register(format)
272
self.assertEqual([format], self.registry._get_all())
274
def test_register_extra(self):
275
format = SampleExtraBranchFormat()
276
self.assertEqual([], self.registry._get_all())
277
self.registry.register_extra(format)
278
self.assertEqual([format], self.registry._get_all())
280
def test_register_extra_lazy(self):
281
self.assertEqual([], self.registry._get_all())
282
self.registry.register_extra_lazy("breezy.tests.test_branch",
283
"SampleExtraBranchFormat")
284
formats = self.registry._get_all()
285
self.assertEqual(1, len(formats))
286
self.assertIsInstance(formats[0], SampleExtraBranchFormat)
171
dir = bzrdir.BzrDirMetaFormat1().initialize(self.get_url())
173
format.initialize(dir)
174
# register a format for it.
175
_mod_branch.BranchFormat.register_format(format)
176
# which branch.Open will refuse (not supported)
177
self.assertRaises(errors.UnsupportedFormatError,
178
_mod_branch.Branch.open, self.get_url())
179
self.make_branch_and_tree('foo')
180
# but open_downlevel will work
183
bzrdir.BzrDir.open(self.get_url()).open_branch(unsupported=True))
184
# unregister the format
185
_mod_branch.BranchFormat.unregister_format(format)
186
self.make_branch_and_tree('bar')
289
189
class TestBranch67(object):
311
211
def test_layout(self):
312
212
branch = self.make_branch('a', format=self.get_format_name())
313
self.assertPathExists('a/.bzr/branch/last-revision')
314
self.assertPathDoesNotExist('a/.bzr/branch/revision-history')
315
self.assertPathDoesNotExist('a/.bzr/branch/references')
213
self.failUnlessExists('a/.bzr/branch/last-revision')
214
self.failIfExists('a/.bzr/branch/revision-history')
215
self.failIfExists('a/.bzr/branch/references')
317
217
def test_config(self):
318
218
"""Ensure that all configuration data is stored in the branch"""
319
219
branch = self.make_branch('a', format=self.get_format_name())
320
branch.set_parent('http://example.com')
321
self.assertPathDoesNotExist('a/.bzr/branch/parent')
322
self.assertEqual('http://example.com', branch.get_parent())
323
branch.set_push_location('sftp://example.com')
324
conf = branch.get_config_stack()
325
self.assertEqual('sftp://example.com', conf.get('push_location'))
326
branch.set_bound_location('ftp://example.com')
327
self.assertPathDoesNotExist('a/.bzr/branch/bound')
328
self.assertEqual('ftp://example.com', branch.get_bound_location())
220
branch.set_parent('http://bazaar-vcs.org')
221
self.failIfExists('a/.bzr/branch/parent')
222
self.assertEqual('http://bazaar-vcs.org', branch.get_parent())
223
branch.set_push_location('sftp://bazaar-vcs.org')
224
config = branch.get_config()._get_branch_data_config()
225
self.assertEqual('sftp://bazaar-vcs.org',
226
config.get_user_option('push_location'))
227
branch.set_bound_location('ftp://bazaar-vcs.org')
228
self.failIfExists('a/.bzr/branch/bound')
229
self.assertEqual('ftp://bazaar-vcs.org', branch.get_bound_location())
231
def test_set_revision_history(self):
232
builder = self.make_branch_builder('.', format=self.get_format_name())
233
builder.build_snapshot('foo', None,
234
[('add', ('', None, 'directory', None))],
236
builder.build_snapshot('bar', None, [], message='bar')
237
branch = builder.get_branch()
239
self.addCleanup(branch.unlock)
240
branch.set_revision_history(['foo', 'bar'])
241
branch.set_revision_history(['foo'])
242
self.assertRaises(errors.NotLefthandHistory,
243
branch.set_revision_history, ['bar'])
330
245
def do_checkout_test(self, lightweight=False):
331
246
tree = self.make_branch_and_tree('source',
332
format=self.get_format_name_subtree())
247
format=self.get_format_name_subtree())
333
248
subtree = self.make_branch_and_tree('source/subtree',
334
format=self.get_format_name_subtree())
249
format=self.get_format_name_subtree())
335
250
subsubtree = self.make_branch_and_tree('source/subtree/subsubtree',
336
format=self.get_format_name_subtree())
251
format=self.get_format_name_subtree())
337
252
self.build_tree(['source/subtree/file',
338
253
'source/subtree/subsubtree/file'])
339
254
subsubtree.add('file')
375
306
def test_set_stacked_on_url_errors(self):
376
307
branch = self.make_branch('a', format=self.get_format_name())
377
self.assertRaises(_mod_branch.UnstackableBranchFormat,
378
branch.set_stacked_on_url, None)
308
self.assertRaises(errors.UnstackableBranchFormat,
309
branch.set_stacked_on_url, None)
380
311
def test_default_stacked_location(self):
381
312
branch = self.make_branch('a', format=self.get_format_name())
382
self.assertRaises(_mod_branch.UnstackableBranchFormat,
383
branch.get_stacked_on_url)
313
self.assertRaises(errors.UnstackableBranchFormat, branch.get_stacked_on_url)
386
316
class TestBranch7(TestBranch67, tests.TestCaseWithTransport):
388
318
def get_class(self):
389
return _mod_bzrbranch.BzrBranch7
319
return _mod_branch.BzrBranch7
391
321
def get_format_name(self):
397
327
def test_set_stacked_on_url_unstackable_repo(self):
398
328
repo = self.make_repository('a', format='dirstate-tags')
399
control = repo.controldir
400
branch = _mod_bzrbranch.BzrBranchFormat7().initialize(control)
329
control = repo.bzrdir
330
branch = _mod_branch.BzrBranchFormat7().initialize(control)
401
331
target = self.make_branch('b')
402
332
self.assertRaises(errors.UnstackableRepositoryFormat,
403
branch.set_stacked_on_url, target.base)
333
branch.set_stacked_on_url, target.base)
405
335
def test_clone_stacked_on_unstackable_repo(self):
406
336
repo = self.make_repository('a', format='dirstate-tags')
407
control = repo.controldir
408
branch = _mod_bzrbranch.BzrBranchFormat7().initialize(control)
337
control = repo.bzrdir
338
branch = _mod_branch.BzrBranchFormat7().initialize(control)
409
339
# Calling clone should not raise UnstackableRepositoryFormat.
410
340
cloned_bzrdir = control.clone('cloned')
438
368
def make_branch(self, location, format=None):
439
369
if format is None:
440
format = controldir.format_registry.make_controldir('1.9')
441
format.set_branch_format(_mod_bzrbranch.BzrBranchFormat8())
370
format = bzrdir.format_registry.make_bzrdir('1.9')
371
format.set_branch_format(_mod_branch.BzrBranchFormat8())
442
372
return tests.TestCaseWithTransport.make_branch(
443
373
self, location, format=format)
445
375
def create_branch_with_reference(self):
446
376
branch = self.make_branch('branch')
447
branch._set_all_reference_info({'path': ('location', b'file-id')})
377
branch._set_all_reference_info({'file-id': ('path', 'location')})
451
381
def instrument_branch(branch, gets):
452
382
old_get = branch._transport.get
454
383
def get(*args, **kwargs):
455
384
gets.append((args, kwargs))
456
385
return old_get(*args, **kwargs)
462
391
branch.lock_read()
463
392
self.addCleanup(branch.unlock)
464
393
self.instrument_branch(branch, gets)
465
branch.get_reference_info('path')
466
branch.get_reference_info('path')
394
branch.get_reference_info('file-id')
395
branch.get_reference_info('file-id')
467
396
self.assertEqual(1, len(gets))
469
398
def test_reference_info_caching_read_unlocked(self):
471
400
branch = self.create_branch_with_reference()
472
401
self.instrument_branch(branch, gets)
473
branch.get_reference_info('path')
474
branch.get_reference_info('path')
402
branch.get_reference_info('file-id')
403
branch.get_reference_info('file-id')
475
404
self.assertEqual(2, len(gets))
477
406
def test_reference_info_caching_write_locked(self):
480
409
branch.lock_write()
481
410
self.instrument_branch(branch, gets)
482
411
self.addCleanup(branch.unlock)
483
branch._set_all_reference_info({'path2': ('location2', b'file-id')})
484
location, file_id = branch.get_reference_info('path2')
412
branch._set_all_reference_info({'file-id': ('path2', 'location2')})
413
path, location = branch.get_reference_info('file-id')
485
414
self.assertEqual(0, len(gets))
486
self.assertEqual(b'file-id', file_id)
415
self.assertEqual('path2', path)
487
416
self.assertEqual('location2', location)
489
418
def test_reference_info_caches_cleared(self):
490
419
branch = self.make_branch('branch')
491
with branch.lock_write():
492
branch.set_reference_info('path2', 'location2', b'file-id')
421
branch.set_reference_info('file-id', 'path2', 'location2')
493
423
doppelganger = _mod_branch.Branch.open('branch')
494
doppelganger.set_reference_info('path3', 'location3', b'file-id')
495
self.assertEqual(('location3', b'file-id'),
496
branch.get_reference_info('path3'))
498
def _recordParentMapCalls(self, repo):
499
self._parent_map_calls = []
500
orig_get_parent_map = repo.revisions.get_parent_map
502
def get_parent_map(q):
504
self._parent_map_calls.extend([e[0] for e in q])
505
return orig_get_parent_map(q)
506
repo.revisions.get_parent_map = get_parent_map
424
doppelganger.set_reference_info('file-id', 'path3', 'location3')
425
self.assertEqual(('path3', 'location3'),
426
branch.get_reference_info('file-id'))
509
428
class TestBranchReference(tests.TestCaseWithTransport):
510
429
"""Tests for the branch reference facility."""
512
431
def test_create_open_reference(self):
513
432
bzrdirformat = bzrdir.BzrDirMetaFormat1()
514
t = self.get_transport()
433
t = transport.get_transport(self.get_url('.'))
516
435
dir = bzrdirformat.initialize(self.get_url('repo'))
517
436
dir.create_repository()
518
437
target_branch = dir.create_branch()
519
438
t.mkdir('branch')
520
439
branch_dir = bzrdirformat.initialize(self.get_url('branch'))
521
made_branch = _mod_bzrbranch.BranchReferenceFormat().initialize(
440
made_branch = _mod_branch.BranchReferenceFormat().initialize(
522
441
branch_dir, target_branch=target_branch)
523
442
self.assertEqual(made_branch.base, target_branch.base)
524
443
opened_branch = branch_dir.open_branch()
525
444
self.assertEqual(opened_branch.base, target_branch.base)
527
446
def test_get_reference(self):
528
"""For a BranchReference, get_reference should return the location."""
447
"""For a BranchReference, get_reference should reutrn the location."""
529
448
branch = self.make_branch('target')
530
449
checkout = branch.create_checkout('checkout', lightweight=True)
531
reference_url = branch.controldir.root_transport.abspath('') + '/'
450
reference_url = branch.bzrdir.root_transport.abspath('') + '/'
532
451
# if the api for create_checkout changes to return different checkout types
533
452
# then this file read will fail.
534
self.assertFileEqual(reference_url.encode('utf-8'),
535
'checkout/.bzr/branch/location')
453
self.assertFileEqual(reference_url, 'checkout/.bzr/branch/location')
536
454
self.assertEqual(reference_url,
537
_mod_bzrbranch.BranchReferenceFormat().get_reference(checkout.controldir))
455
_mod_branch.BranchReferenceFormat().get_reference(checkout.bzrdir))
540
458
class TestHooks(tests.TestCaseWithTransport):
565
483
def test_post_branch_init_hook(self):
567
485
_mod_branch.Branch.hooks.install_named_hook('post_branch_init',
569
487
self.assertLength(0, calls)
570
488
branch = self.make_branch('a')
571
489
self.assertLength(1, calls)
572
490
params = calls[0]
573
491
self.assertIsInstance(params, _mod_branch.BranchInitHookParams)
574
self.assertTrue(hasattr(params, 'controldir'))
492
self.assertTrue(hasattr(params, 'bzrdir'))
575
493
self.assertTrue(hasattr(params, 'branch'))
577
def test_post_branch_init_hook_repr(self):
579
_mod_branch.Branch.hooks.install_named_hook('post_branch_init',
580
lambda params: param_reprs.append(repr(params)), None)
581
branch = self.make_branch('a')
582
self.assertLength(1, param_reprs)
583
param_repr = param_reprs[0]
584
self.assertStartsWith(param_repr, '<BranchInitHookParams of ')
586
495
def test_post_switch_hook(self):
587
from .. import switch
496
from bzrlib import switch
589
498
_mod_branch.Branch.hooks.install_named_hook('post_switch',
591
500
tree = self.make_branch_and_tree('branch-1')
592
501
self.build_tree(['branch-1/file-1'])
593
502
tree.add('file-1')
594
503
tree.commit('rev1')
595
to_branch = tree.controldir.sprout('branch-2').open_branch()
504
to_branch = tree.bzrdir.sprout('branch-2').open_branch()
596
505
self.build_tree(['branch-1/file-2'])
597
506
tree.add('file-2')
598
507
tree.remove('file-1')
599
508
tree.commit('rev2')
600
509
checkout = tree.branch.create_checkout('checkout')
601
510
self.assertLength(0, calls)
602
switch.switch(checkout.controldir, to_branch)
511
switch.switch(checkout.bzrdir, to_branch)
603
512
self.assertLength(1, calls)
604
513
params = calls[0]
605
514
self.assertIsInstance(params, _mod_branch.SwitchHookParams)
613
522
super(TestBranchOptions, self).setUp()
614
523
self.branch = self.make_branch('.')
615
self.config_stack = self.branch.get_config_stack()
524
self.config = self.branch.get_config()
617
526
def check_append_revisions_only(self, expected_value, value=None):
618
527
"""Set append_revisions_only in config and check its interpretation."""
619
528
if value is not None:
620
self.config_stack.set('append_revisions_only', value)
529
self.config.set_user_option('append_revisions_only', value)
621
530
self.assertEqual(expected_value,
622
self.branch.get_append_revisions_only())
531
self.branch._get_append_revisions_only())
624
533
def test_valid_append_revisions_only(self):
625
self.assertEqual(None,
626
self.config_stack.get('append_revisions_only'))
534
self.assertEquals(None,
535
self.config.get_user_option('append_revisions_only'))
627
536
self.check_append_revisions_only(None)
628
537
self.check_append_revisions_only(False, 'False')
629
538
self.check_append_revisions_only(True, 'True')
635
544
def test_invalid_append_revisions_only(self):
636
545
"""Ensure warning is noted on invalid settings"""
637
546
self.warnings = []
639
547
def warning(*args):
640
548
self.warnings.append(args[0] % args[1:])
641
549
self.overrideAttr(trace, 'warning', warning)
642
550
self.check_append_revisions_only(None, 'not-a-bool')
643
551
self.assertLength(1, self.warnings)
644
552
self.assertEqual(
645
'Value "not-a-bool" is not valid for "append_revisions_only"',
553
'Value "not-a-bool" is not a boolean for "append_revisions_only"',
646
554
self.warnings[0])
648
def test_use_fresh_values(self):
649
copy = _mod_branch.Branch.open(self.branch.base)
652
copy.get_config_stack().set('foo', 'bar')
655
self.assertFalse(self.branch.is_locked())
656
# Since the branch is locked, the option value won't be saved on disk
657
# so trying to access the config of locked branch via another older
658
# non-locked branch object pointing to the same branch is not supported
659
self.assertEqual(None, self.branch.get_config_stack().get('foo'))
660
# Using a newly created branch object works as expected
661
fresh = _mod_branch.Branch.open(self.branch.base)
662
self.assertEqual('bar', fresh.get_config_stack().get('foo'))
664
def test_set_from_config_get_from_config_stack(self):
665
self.branch.lock_write()
666
self.addCleanup(self.branch.unlock)
667
self.branch.get_config().set_user_option('foo', 'bar')
668
result = self.branch.get_config_stack().get('foo')
669
# https://bugs.launchpad.net/bzr/+bug/948344
670
self.expectFailure('BranchStack uses cache after set_user_option',
671
self.assertEqual, 'bar', result)
673
def test_set_from_config_stack_get_from_config(self):
674
self.branch.lock_write()
675
self.addCleanup(self.branch.unlock)
676
self.branch.get_config_stack().set('foo', 'bar')
677
# Since the branch is locked, the option value won't be saved on disk
678
# so mixing get() and get_user_option() is broken by design.
679
self.assertEqual(None,
680
self.branch.get_config().get_user_option('foo'))
682
def test_set_delays_write_when_branch_is_locked(self):
683
self.branch.lock_write()
684
self.addCleanup(self.branch.unlock)
685
self.branch.get_config_stack().set('foo', 'bar')
686
copy = _mod_branch.Branch.open(self.branch.base)
687
result = copy.get_config_stack().get('foo')
688
# Accessing from a different branch object is like accessing from a
689
# different process: the option has not been saved yet and the new
690
# value cannot be seen.
691
self.assertIs(None, result)
694
557
class TestPullResult(tests.TestCase):
559
def test_pull_result_to_int(self):
560
# to support old code, the pull result can be used as an int
561
r = _mod_branch.PullResult()
564
# this usage of results is not recommended for new code (because it
565
# doesn't describe very well what happened), but for api stability
566
# it's still supported
567
a = "%d revisions pulled" % r
568
self.assertEqual(a, "10 revisions pulled")
696
570
def test_report_changed(self):
697
571
r = _mod_branch.PullResult()
698
r.old_revid = b"old-revid"
572
r.old_revid = "old-revid"
700
r.new_revid = b"new-revid"
574
r.new_revid = "new-revid"
706
580
def test_report_unchanged(self):
707
581
r = _mod_branch.PullResult()
708
r.old_revid = b"same-revid"
709
r.new_revid = b"same-revid"
582
r.old_revid = "same-revid"
583
r.new_revid = "same-revid"
712
self.assertEqual("No revisions or tags to pull.\n", f.getvalue())
586
self.assertEqual("No revisions to pull.\n", f.getvalue())
589
class _StubLockable(object):
590
"""Helper for TestRunWithWriteLockedTarget."""
592
def __init__(self, calls, unlock_exc=None):
594
self.unlock_exc = unlock_exc
596
def lock_write(self):
597
self.calls.append('lock_write')
600
self.calls.append('unlock')
601
if self.unlock_exc is not None:
602
raise self.unlock_exc
605
class _ErrorFromCallable(Exception):
606
"""Helper for TestRunWithWriteLockedTarget."""
609
class _ErrorFromUnlock(Exception):
610
"""Helper for TestRunWithWriteLockedTarget."""
613
class TestRunWithWriteLockedTarget(tests.TestCase):
614
"""Tests for _run_with_write_locked_target."""
617
tests.TestCase.setUp(self)
620
def func_that_returns_ok(self):
621
self._calls.append('func called')
624
def func_that_raises(self):
625
self._calls.append('func called')
626
raise _ErrorFromCallable()
628
def test_success_unlocks(self):
629
lockable = _StubLockable(self._calls)
630
result = _mod_branch._run_with_write_locked_target(
631
lockable, self.func_that_returns_ok)
632
self.assertEqual('ok', result)
633
self.assertEqual(['lock_write', 'func called', 'unlock'], self._calls)
635
def test_exception_unlocks_and_propagates(self):
636
lockable = _StubLockable(self._calls)
637
self.assertRaises(_ErrorFromCallable,
638
_mod_branch._run_with_write_locked_target,
639
lockable, self.func_that_raises)
640
self.assertEqual(['lock_write', 'func called', 'unlock'], self._calls)
642
def test_callable_succeeds_but_error_during_unlock(self):
643
lockable = _StubLockable(self._calls, unlock_exc=_ErrorFromUnlock())
644
self.assertRaises(_ErrorFromUnlock,
645
_mod_branch._run_with_write_locked_target,
646
lockable, self.func_that_returns_ok)
647
self.assertEqual(['lock_write', 'func called', 'unlock'], self._calls)
649
def test_error_during_unlock_does_not_mask_original_error(self):
650
lockable = _StubLockable(self._calls, unlock_exc=_ErrorFromUnlock())
651
self.assertRaises(_ErrorFromCallable,
652
_mod_branch._run_with_write_locked_target,
653
lockable, self.func_that_raises)
654
self.assertEqual(['lock_write', 'func called', 'unlock'], self._calls)
added
removed
bzrlib/tests/test_branch.py
