17
17
"""Tests for the formatting and construction of errors."""
29
from bzrlib.tests import TestCase, TestCaseWithTransport
32
class TestErrors(TestCaseWithTransport):
33
class TestErrors(tests.TestCase):
35
def test_no_arg_named_message(self):
36
"""Ensure the __init__ and _fmt in errors do not have "message" arg.
38
This test fails if __init__ or _fmt in errors has an argument
39
named "message" as this can cause errors in some Python versions.
40
Python 2.5 uses a slot for StandardError.message.
43
fmt_pattern = re.compile("%\\(message\\)[sir]")
44
for c in errors.BzrError.__subclasses__():
45
init = getattr(c, '__init__', None)
46
fmt = getattr(c, '_fmt', None)
48
args = inspect.getfullargspec(init)[0]
49
self.assertFalse('message' in args,
50
('Argument name "message" not allowed for '
51
'"errors.%s.__init__"' % c.__name__))
52
if fmt and fmt_pattern.search(fmt):
53
self.assertFalse(True, ('"message" not allowed in '
54
'"errors.%s._fmt"' % c.__name__))
34
56
def test_bad_filename_encoding(self):
35
error = errors.BadFilenameEncoding('bad/filen\xe5me', 'UTF-8')
37
"Filename 'bad/filen\\xe5me' is not valid in your current"
38
" filesystem encoding UTF-8",
41
def test_corrupt_dirstate(self):
42
error = errors.CorruptDirstate('path/to/dirstate', 'the reason why')
44
"Inconsistency in dirstate file path/to/dirstate.\n"
45
"Error: the reason why",
48
def test_dirstate_corrupt(self):
49
error = errors.DirstateCorrupt('.bzr/checkout/dirstate',
50
'trailing garbage: "x"')
51
self.assertEqualDiff("The dirstate file (.bzr/checkout/dirstate)"
52
" appears to be corrupt: trailing garbage: \"x\"",
55
def test_disabled_method(self):
56
error = errors.DisabledMethod("class name")
58
"The smart server method 'class name' is disabled.", str(error))
57
error = errors.BadFilenameEncoding(b'bad/filen\xe5me', 'UTF-8')
58
self.assertContainsRe(
60
"^Filename b?'bad/filen\\\\xe5me' is not valid in your current"
61
" filesystem encoding UTF-8$")
60
63
def test_duplicate_file_id(self):
61
64
error = errors.DuplicateFileId('a_file_id', 'foo')
73
76
" its ancestry shows a ghost at {ghost_rev}",
76
def test_incompatibleAPI(self):
77
error = errors.IncompatibleAPI("module", (1, 2, 3), (4, 5, 6), (7, 8, 9))
79
def test_incompatibleVersion(self):
80
error = errors.IncompatibleVersion("module", [(4, 5, 6), (7, 8, 9)],
78
82
self.assertEqualDiff(
79
'The API for "module" is not compatible with "(1, 2, 3)". '
80
'It supports versions "(4, 5, 6)" to "(7, 8, 9)".',
83
'API module is not compatible; one of versions '
84
'[(4, 5, 6), (7, 8, 9)] is required, but current version is '
83
88
def test_inconsistent_delta(self):
103
108
error = errors.InvalidHttpRange('path',
104
109
'Content-Range: potatoes 0-00/o0oo0',
106
self.assertEquals("Invalid http range"
107
" 'Content-Range: potatoes 0-00/o0oo0'"
108
" for path: bad range",
111
self.assertEqual("Invalid http range"
112
" 'Content-Range: potatoes 0-00/o0oo0'"
113
" for path: bad range",
111
116
def test_invalid_range(self):
112
117
error = errors.InvalidRange('path', 12, 'bad range')
113
self.assertEquals("Invalid range access in path at 12: bad range",
118
self.assertEqual("Invalid range access in path at 12: bad range",
116
121
def test_inventory_modified(self):
117
122
error = errors.InventoryModified("a tree to be repred")
118
123
self.assertEqualDiff("The current inventory for the tree 'a tree to "
119
"be repred' has been modified, so a clean inventory cannot be "
120
"read without data loss.",
124
"be repred' has been modified, so a clean inventory cannot be "
125
"read without data loss.",
123
128
def test_jail_break(self):
124
129
error = errors.JailBreak("some url")
125
130
self.assertEqualDiff("An attempt to access a url outside the server"
126
" jail was made: 'some url'.",
131
" jail was made: 'some url'.",
129
134
def test_lock_active(self):
130
135
error = errors.LockActive("lock description")
131
136
self.assertEqualDiff("The lock for 'lock description' is in use and "
135
def test_knit_data_stream_incompatible(self):
136
error = errors.KnitDataStreamIncompatible(
137
'stream format', 'target format')
138
self.assertEqual('Cannot insert knit data stream of format '
139
'"stream format" into knit of format '
140
'"target format".', str(error))
142
def test_knit_data_stream_unknown(self):
143
error = errors.KnitDataStreamUnknown(
145
self.assertEqual('Cannot parse knit data stream of format '
146
'"stream format".', str(error))
148
def test_knit_header_error(self):
149
error = errors.KnitHeaderError('line foo\n', 'path/to/file')
150
self.assertEqual("Knit header error: 'line foo\\n' unexpected"
151
" for file \"path/to/file\".", str(error))
153
def test_knit_index_unknown_method(self):
154
error = errors.KnitIndexUnknownMethod('http://host/foo.kndx',
156
self.assertEqual("Knit index http://host/foo.kndx does not have a"
157
" known method in options: ['bad', 'no-eol']",
140
def test_lock_corrupt(self):
141
error = errors.LockCorrupt("corruption info")
142
self.assertEqualDiff("Lock is apparently held, but corrupted: "
144
"Use 'brz break-lock' to clear it",
160
147
def test_medium_not_connected(self):
161
148
error = errors.MediumNotConnected("a medium")
162
149
self.assertEqualDiff(
163
150
"The medium 'a medium' is not connected.", str(error))
165
def test_no_public_branch(self):
166
b = self.make_branch('.')
167
error = errors.NoPublicBranch(b)
168
url = urlutils.unescape_for_display(b.base, 'ascii')
169
self.assertEqualDiff(
170
'There is no public branch set for "%s".' % url, str(error))
172
def test_no_repo(self):
173
dir = bzrdir.BzrDir.create(self.get_url())
174
error = errors.NoRepositoryPresent(dir)
175
self.assertNotEqual(-1, str(error).find((dir.transport.clone('..').base)))
176
self.assertEqual(-1, str(error).find((dir.transport.base)))
178
152
def test_no_smart_medium(self):
179
153
error = errors.NoSmartMedium("a transport")
180
154
self.assertEqualDiff("The transport 'a transport' cannot tunnel the "
184
def test_no_help_topic(self):
185
error = errors.NoHelpTopic("topic")
186
self.assertEqualDiff("No help could be found for 'topic'. "
187
"Please use 'bzr help topics' to obtain a list of topics.",
190
158
def test_no_such_id(self):
191
159
error = errors.NoSuchId("atree", "anid")
192
160
self.assertEqualDiff("The file id \"anid\" is not present in the tree "
196
164
def test_no_such_revision_in_tree(self):
197
165
error = errors.NoSuchRevisionInTree("atree", "anid")
202
170
def test_not_stacked(self):
203
171
error = errors.NotStacked('a branch')
204
172
self.assertEqualDiff("The branch 'a branch' is not stacked.",
207
175
def test_not_write_locked(self):
208
176
error = errors.NotWriteLocked('a thing to repr')
209
177
self.assertEqualDiff("'a thing to repr' is not write locked but needs "
213
181
def test_lock_failed(self):
214
error = errors.LockFailed('http://canonical.com/', 'readonly transport')
182
error = errors.LockFailed(
183
'http://canonical.com/', 'readonly transport')
215
184
self.assertEqualDiff("Cannot lock http://canonical.com/: readonly transport",
217
186
self.assertFalse(error.internal_error)
219
188
def test_too_many_concurrent_requests(self):
220
189
error = errors.TooManyConcurrentRequests("a medium")
221
190
self.assertEqualDiff("The medium 'a medium' has reached its concurrent "
222
"request limit. Be sure to finish_writing and finish_reading on "
223
"the currently open request.",
191
"request limit. Be sure to finish_writing and finish_reading on "
192
"the currently open request.",
226
195
def test_unavailable_representation(self):
227
error = errors.UnavailableRepresentation(('key',), "mpdiff", "fulltext")
196
error = errors.UnavailableRepresentation(
197
('key',), "mpdiff", "fulltext")
228
198
self.assertEqualDiff("The encoding 'mpdiff' is not available for key "
229
"('key',) which is encoded as 'fulltext'.",
232
def test_unknown_hook(self):
233
error = errors.UnknownHook("branch", "foo")
234
self.assertEqualDiff("The branch hook 'foo' is unknown in this version"
237
error = errors.UnknownHook("tree", "bar")
238
self.assertEqualDiff("The tree hook 'bar' is unknown in this version"
242
def test_unstackable_branch_format(self):
245
error = errors.UnstackableBranchFormat(format, url)
246
self.assertEqualDiff(
247
"The branch '/foo'(foo) is not a stackable format. "
248
"You will need to upgrade the branch to permit branch stacking.",
199
"('key',) which is encoded as 'fulltext'.",
251
202
def test_unstackable_location(self):
252
203
error = errors.UnstackableLocationError('foo', 'bar')
253
204
self.assertEqualDiff("The branch 'foo' cannot be stacked on 'bar'.",
256
207
def test_unstackable_repository_format(self):
265
216
def test_up_to_date(self):
266
error = errors.UpToDateFormat(bzrdir.BzrDirFormat4())
267
self.assertEqualDiff("The branch format All-in-one "
268
"format 4 is already at the most "
272
def test_corrupt_repository(self):
273
repo = self.make_repository('.')
274
error = errors.CorruptRepository(repo)
275
self.assertEqualDiff("An error has been detected in the repository %s.\n"
276
"Please run bzr reconcile on this repository." %
277
repo.bzrdir.root_transport.base,
217
error = errors.UpToDateFormat("someformat")
218
self.assertEqualDiff(
219
"The branch format someformat is already at the most "
220
"recent format.", str(error))
280
222
def test_read_error(self):
281
223
# a unicode path to check that %r is being used.
283
225
error = errors.ReadError(path)
284
self.assertEqualDiff("Error reading from u'a path'.", str(error))
286
def test_bad_index_format_signature(self):
287
error = errors.BadIndexFormatSignature("foo", "bar")
288
self.assertEqual("foo is not an index of type bar.",
291
def test_bad_index_data(self):
292
error = errors.BadIndexData("foo")
293
self.assertEqual("Error in data for index foo.",
296
def test_bad_index_duplicate_key(self):
297
error = errors.BadIndexDuplicateKey("foo", "bar")
298
self.assertEqual("The key 'foo' is already in index 'bar'.",
301
def test_bad_index_key(self):
302
error = errors.BadIndexKey("foo")
303
self.assertEqual("The key 'foo' is not a valid key.",
306
def test_bad_index_options(self):
307
error = errors.BadIndexOptions("foo")
308
self.assertEqual("Could not parse options for index foo.",
311
def test_bad_index_value(self):
312
error = errors.BadIndexValue("foo")
313
self.assertEqual("The value 'foo' is not a valid value.",
316
def test_bzrnewerror_is_deprecated(self):
317
class DeprecatedError(errors.BzrNewError):
319
self.callDeprecated(['BzrNewError was deprecated in bzr 0.13; '
320
'please convert DeprecatedError to use BzrError instead'],
226
self.assertContainsRe(str(error), "^Error reading from u?'a path'.$")
323
228
def test_bzrerror_from_literal_string(self):
324
229
# Some code constructs BzrError from a literal string, in which case
327
232
# perhaps no more is needed.)
329
234
raise errors.BzrError('this is my errors; %d is not expanded')
330
except errors.BzrError, e:
235
except errors.BzrError as e:
331
236
self.assertEqual('this is my errors; %d is not expanded', str(e))
333
238
def test_reading_completed(self):
334
239
error = errors.ReadingCompleted("a request")
335
240
self.assertEqualDiff("The MediumRequest 'a request' has already had "
336
"finish_reading called upon it - the request has been completed and"
337
" no more data may be read.",
241
"finish_reading called upon it - the request has been completed and"
242
" no more data may be read.",
340
245
def test_writing_completed(self):
341
246
error = errors.WritingCompleted("a request")
342
247
self.assertEqualDiff("The MediumRequest 'a request' has already had "
343
"finish_writing called upon it - accept bytes may not be called "
248
"finish_writing called upon it - accept bytes may not be called "
347
252
def test_writing_not_completed(self):
348
253
error = errors.WritingNotComplete("a request")
349
254
self.assertEqualDiff("The MediumRequest 'a request' has not has "
350
"finish_writing called upon it - until the write phase is complete"
351
" no data may be read.",
255
"finish_writing called upon it - until the write phase is complete"
256
" no data may be read.",
354
259
def test_transport_not_possible(self):
355
260
error = errors.TransportNotPossible('readonly', 'original error')
356
261
self.assertEqualDiff('Transport operation not possible:'
357
' readonly original error', str(error))
262
' readonly original error', str(error))
359
264
def assertSocketConnectionError(self, expected, *args, **kwargs):
360
265
"""Check the formatting of a SocketConnectionError exception"""
408
313
"location specified in the merge directive is not a branch: "
409
314
"foo.", str(error))
411
def test_malformed_bug_identifier(self):
412
"""Test the formatting of MalformedBugIdentifier."""
413
error = errors.MalformedBugIdentifier('bogus', 'reason for bogosity')
415
'Did not understand bug identifier bogus: reason for bogosity. '
416
'See "bzr help bugs" for more information on this feature.',
419
def test_unknown_bug_tracker_abbreviation(self):
420
"""Test the formatting of UnknownBugTrackerAbbreviation."""
421
branch = self.make_branch('some_branch')
422
error = errors.UnknownBugTrackerAbbreviation('xxx', branch)
424
"Cannot find registered bug tracker called xxx on %s" % branch,
427
316
def test_unexpected_smart_server_response(self):
428
317
e = errors.UnexpectedSmartServerResponse(('not yes',))
429
318
self.assertEqual(
489
376
def test_immortal_pending_deletion_message(self):
490
377
err = errors.ImmortalPendingDeletion('foo')
492
379
"Unable to delete transform temporary directory foo. "
493
380
"Please examine foo to see if it contains any files "
494
381
"you wish to keep, and delete it when you are done.",
497
def test_unable_create_symlink(self):
498
err = errors.UnableCreateSymlink()
500
"Unable to create symlink on this platform",
502
err = errors.UnableCreateSymlink(path=u'foo')
504
"Unable to create symlink 'foo' on this platform",
506
err = errors.UnableCreateSymlink(path=u'\xb5')
508
"Unable to create symlink u'\\xb5' on this platform",
511
384
def test_invalid_url_join(self):
512
385
"""Test the formatting of InvalidURLJoin."""
513
e = errors.InvalidURLJoin('Reason', 'base path', ('args',))
386
e = urlutils.InvalidURLJoin('Reason', 'base path', ('args',))
514
387
self.assertEqual(
515
388
"Invalid URL join request: Reason: 'base path' + ('args',)",
518
def test_incorrect_url(self):
519
err = errors.InvalidBugTrackerURL('foo', 'http://bug.com/')
521
("The URL for bug tracker \"foo\" doesn't contain {id}: "
525
391
def test_unable_encode_path(self):
526
392
err = errors.UnableEncodePath('foo', 'executable')
527
self.assertEquals("Unable to encode executable path 'foo' in "
528
"user encoding " + osutils.get_user_encoding(),
393
self.assertEqual("Unable to encode executable path 'foo' in "
394
"user encoding " + osutils.get_user_encoding(),
531
397
def test_unknown_format(self):
532
398
err = errors.UnknownFormatError('bar', kind='foo')
533
self.assertEquals("Unknown foo format: 'bar'", str(err))
535
def test_unknown_rules(self):
536
err = errors.UnknownRules(['foo', 'bar'])
537
self.assertEquals("Unknown rules detected: foo, bar.", str(err))
539
def test_hook_failed(self):
540
# Create an exc_info tuple by raising and catching an exception.
543
except ZeroDivisionError:
544
exc_info = sys.exc_info()
545
err = errors.HookFailed('hook stage', 'hook name', exc_info, warn=False)
546
self.assertStartsWith(
547
str(err), 'Hook \'hook name\' during hook stage failed:\n')
549
str(err), 'integer division or modulo by zero')
399
self.assertEqual("Unknown foo format: 'bar'", str(err))
551
401
def test_tip_change_rejected(self):
552
402
err = errors.TipChangeRejected(u'Unicode message\N{INTERROBANG}')
554
404
u'Tip change rejected: Unicode message\N{INTERROBANG}',
557
'Tip change rejected: Unicode message\xe2\x80\xbd',
560
407
def test_error_from_smart_server(self):
561
408
error_tuple = ('error', 'tuple')
562
409
err = errors.ErrorFromSmartServer(error_tuple)
564
411
"Error received from smart server: ('error', 'tuple')", str(err))
566
413
def test_untranslateable_error_from_smart_server(self):
567
414
error_tuple = ('error', 'tuple')
568
415
orig_err = errors.ErrorFromSmartServer(error_tuple)
569
416
err = errors.UnknownErrorFromSmartServer(orig_err)
571
418
"Server sent an unexpected error: ('error', 'tuple')", str(err))
573
420
def test_smart_message_handler_error(self):
576
423
raise Exception("example error")
577
424
except Exception:
578
exc_info = sys.exc_info()
579
err = errors.SmartMessageHandlerError(exc_info)
580
self.assertStartsWith(
581
str(err), "The message handler raised an exception:\n")
582
self.assertEndsWith(str(err), "Exception: example error\n")
584
def test_must_have_working_tree(self):
585
err = errors.MustHaveWorkingTree('foo', 'bar')
586
self.assertEqual(str(err), "Branching 'bar'(foo) must create a"
589
def test_no_such_view(self):
590
err = errors.NoSuchView('foo')
591
self.assertEquals("No such view: foo.", str(err))
593
def test_views_not_supported(self):
594
err = errors.ViewsNotSupported('atree')
596
self.assertStartsWith(err_str, "Views are not supported by ")
597
self.assertEndsWith(err_str, "; use 'bzr upgrade' to change your "
598
"tree to a later format.")
600
def test_file_outside_view(self):
601
err = errors.FileOutsideView('baz', ['foo', 'bar'])
602
self.assertEquals('Specified file "baz" is outside the current view: '
603
'foo, bar', str(err))
605
def test_invalid_shelf_id(self):
607
err = errors.InvalidShelfId(invalid_id)
608
self.assertEqual('"foo" is not a valid shelf id, '
609
'try a number instead.', str(err))
425
err = errors.SmartMessageHandlerError(sys.exc_info())
426
# GZ 2010-11-08: Should not store exc_info in exception instances.
428
self.assertStartsWith(
429
str(err), "The message handler raised an exception:\n")
430
self.assertEndsWith(str(err), "Exception: example error\n")
611
434
def test_unresumable_write_group(self):
612
435
repo = "dummy repo"
627
450
err = errors.NotBranchError('path')
628
451
self.assertEqual('Not a branch: "path".', str(err))
630
def test_not_branch_bzrdir_with_repo(self):
631
bzrdir = self.make_repository('repo').bzrdir
632
err = errors.NotBranchError('path', bzrdir=bzrdir)
634
'Not a branch: "path": location is a repository.', str(err))
636
def test_not_branch_bzrdir_without_repo(self):
637
bzrdir = self.make_bzrdir('bzrdir')
638
err = errors.NotBranchError('path', bzrdir=bzrdir)
639
self.assertEqual('Not a branch: "path".', str(err))
641
def test_not_branch_laziness(self):
642
real_bzrdir = self.make_bzrdir('path')
453
def test_not_branch_bzrdir_with_recursive_not_branch_error(self):
643
454
class FakeBzrDir(object):
646
455
def open_repository(self):
647
self.calls.append('open_repository')
648
raise errors.NoRepositoryPresent(real_bzrdir)
649
fake_bzrdir = FakeBzrDir()
650
err = errors.NotBranchError('path', bzrdir=fake_bzrdir)
651
self.assertEqual([], fake_bzrdir.calls)
653
self.assertEqual(['open_repository'], fake_bzrdir.calls)
654
# Stringifying twice doesn't try to open a repository twice.
656
self.assertEqual(['open_repository'], fake_bzrdir.calls)
456
# str() on the NotBranchError will trigger a call to this,
457
# which in turn will another, identical NotBranchError.
458
raise errors.NotBranchError('path', controldir=FakeBzrDir())
459
err = errors.NotBranchError('path', controldir=FakeBzrDir())
460
self.assertEqual('Not a branch: "path": NotBranchError.', str(err))
462
def test_recursive_bind(self):
463
error = errors.RecursiveBind('foo_bar_branch')
464
msg = ('Branch "foo_bar_branch" appears to be bound to itself. '
465
'Please use `brz unbind` to fix.')
466
self.assertEqualDiff(msg, str(error))
468
def test_retry_with_new_packs(self):
469
fake_exc_info = ('{exc type}', '{exc value}', '{exc traceback}')
470
error = errors.RetryWithNewPacks(
471
'{context}', reload_occurred=False, exc_info=fake_exc_info)
473
'Pack files have changed, reload and retry. context: '
474
'{context} {exc value}', str(error))
659
477
class PassThroughError(errors.BzrError):
673
491
__doc__ = """This class has a docstring but no format string."""
676
class TestErrorFormatting(TestCase):
494
class TestErrorFormatting(tests.TestCase):
678
496
def test_always_str(self):
679
497
e = PassThroughError(u'\xb5', 'bar')
680
498
self.assertIsInstance(e.__str__(), str)
681
# In Python str(foo) *must* return a real byte string
499
# In Python 2 str(foo) *must* return a real byte string
682
500
# not a Unicode string. The following line would raise a
683
501
# Unicode error, because it tries to call str() on the string
684
502
# returned from e.__str__(), and it has non ascii characters
686
self.assertEqual('Pass through \xc2\xb5 and bar', s)
504
self.assertEqual('Pass through \xb5 and bar', s)
688
506
def test_missing_format_string(self):
689
507
e = ErrorWithNoFormat(param='randomvalue')
690
s = self.callDeprecated(
691
['ErrorWithNoFormat uses its docstring as a format, it should use _fmt instead'],
695
"This class has a docstring but no format string.")
508
self.assertStartsWith(str(e),
509
"Unprintable exception ErrorWithNoFormat")
697
511
def test_mismatched_format_args(self):
698
512
# Even though ErrorWithBadFormat's format string does not match the
703
517
str(e), 'Unprintable exception ErrorWithBadFormat')
705
519
def test_cannot_bind_address(self):
706
# see <https://bugs.edge.launchpad.net/bzr/+bug/286871>
520
# see <https://bugs.launchpad.net/bzr/+bug/286871>
707
521
e = errors.CannotBindAddress('example.com', 22,
708
socket.error(13, 'Permission denied'))
709
self.assertContainsRe(str(e),
522
socket.error(13, 'Permission denied'))
523
self.assertContainsRe(
710
525
r'Cannot bind address "example\.com:22":.*Permission denied')
712
def test_file_timestamp_unavailable(self):
713
e = errors.FileTimestampUnavailable("/path/foo")
714
self.assertEquals("The filestamp for /path/foo is not available.",
527
def test_transform_rename_failed(self):
528
e = errors.TransformRenameFailed(u"from", u"to", "readonly file", 2)
530
u"Failed to rename from to to: readonly file",
534
class TestErrorsUsingTransport(tests.TestCaseWithMemoryTransport):
535
"""Tests for errors that need to use a branch or repo."""
537
def test_no_public_branch(self):
538
b = self.make_branch('.')
539
error = errors.NoPublicBranch(b)
540
url = urlutils.unescape_for_display(b.base, 'ascii')
541
self.assertEqualDiff(
542
'There is no public branch set for "%s".' % url, str(error))
544
def test_no_repo(self):
545
dir = controldir.ControlDir.create(self.get_url())
546
error = errors.NoRepositoryPresent(dir)
547
self.assertNotEqual(-1,
548
str(error).find((dir.transport.clone('..').base)))
549
self.assertEqual(-1, str(error).find((dir.transport.base)))
551
def test_corrupt_repository(self):
552
repo = self.make_repository('.')
553
error = errors.CorruptRepository(repo)
554
self.assertEqualDiff("An error has been detected in the repository %s.\n"
555
"Please run brz reconcile on this repository." %
556
repo.controldir.root_transport.base,
559
def test_not_branch_bzrdir_with_repo(self):
560
controldir = self.make_repository('repo').controldir
561
err = errors.NotBranchError('path', controldir=controldir)
563
'Not a branch: "path": location is a repository.', str(err))
565
def test_not_branch_bzrdir_without_repo(self):
566
controldir = self.make_controldir('bzrdir')
567
err = errors.NotBranchError('path', controldir=controldir)
568
self.assertEqual('Not a branch: "path".', str(err))
570
def test_not_branch_laziness(self):
571
real_bzrdir = self.make_controldir('path')
573
class FakeBzrDir(object):
577
def open_repository(self):
578
self.calls.append('open_repository')
579
raise errors.NoRepositoryPresent(real_bzrdir)
580
fake_bzrdir = FakeBzrDir()
581
err = errors.NotBranchError('path', controldir=fake_bzrdir)
582
self.assertEqual([], fake_bzrdir.calls)
584
self.assertEqual(['open_repository'], fake_bzrdir.calls)
585
# Stringifying twice doesn't try to open a repository twice.
587
self.assertEqual(['open_repository'], fake_bzrdir.calls)