1
# Copyright (C) 2006, 2007, 2008 Canonical Ltd
2
# Authors: Robert Collins <robert.collins@canonical.com>
5
# This program is free software; you can redistribute it and/or modify
6
# it under the terms of the GNU General Public License as published by
7
# the Free Software Foundation; either version 2 of the License, or
8
# (at your option) any later version.
10
# This program is distributed in the hope that it will be useful,
11
# but WITHOUT ANY WARRANTY; without even the implied warranty of
12
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13
# GNU General Public License for more details.
15
# You should have received a copy of the GNU General Public License
16
# along with this program; if not, write to the Free Software
17
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19
"""Tests for the formatting and construction of errors."""
29
from bzrlib.tests import TestCase, TestCaseWithTransport
32
class TestErrors(TestCaseWithTransport):
34
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))
60
def test_duplicate_file_id(self):
61
error = errors.DuplicateFileId('a_file_id', 'foo')
62
self.assertEqualDiff('File id {a_file_id} already exists in inventory'
63
' as foo', str(error))
65
def test_duplicate_help_prefix(self):
66
error = errors.DuplicateHelpPrefix('foo')
67
self.assertEqualDiff('The prefix foo is in the help search path twice.',
70
def test_ghost_revisions_have_no_revno(self):
71
error = errors.GhostRevisionsHaveNoRevno('target', 'ghost_rev')
72
self.assertEqualDiff("Could not determine revno for {target} because"
73
" 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
'The API for "module" is not compatible with "(1, 2, 3)". '
80
'It supports versions "(4, 5, 6)" to "(7, 8, 9)".',
83
def test_inconsistent_delta(self):
84
error = errors.InconsistentDelta('path', 'file-id', 'reason for foo')
86
"An inconsistent delta was supplied involving 'path', 'file-id'\n"
87
"reason: reason for foo",
90
def test_in_process_transport(self):
91
error = errors.InProcessTransport('fpp')
93
"The transport 'fpp' is only accessible within this process.",
96
def test_invalid_http_range(self):
97
error = errors.InvalidHttpRange('path',
98
'Content-Range: potatoes 0-00/o0oo0',
100
self.assertEquals("Invalid http range"
101
" 'Content-Range: potatoes 0-00/o0oo0'"
102
" for path: bad range",
105
def test_invalid_range(self):
106
error = errors.InvalidRange('path', 12, 'bad range')
107
self.assertEquals("Invalid range access in path at 12: bad range",
110
def test_inventory_modified(self):
111
error = errors.InventoryModified("a tree to be repred")
112
self.assertEqualDiff("The current inventory for the tree 'a tree to "
113
"be repred' has been modified, so a clean inventory cannot be "
114
"read without data loss.",
117
def test_install_failed(self):
118
error = errors.InstallFailed(['rev-one'])
119
self.assertEqual("Could not install revisions:\nrev-one", str(error))
120
error = errors.InstallFailed(['rev-one', 'rev-two'])
121
self.assertEqual("Could not install revisions:\nrev-one, rev-two",
123
error = errors.InstallFailed([None])
124
self.assertEqual("Could not install revisions:\nNone", str(error))
126
def test_jail_break(self):
127
error = errors.JailBreak("some url")
128
self.assertEqualDiff("An attempt to access a url outside the server"
129
" jail was made: 'some url'.",
132
def test_lock_active(self):
133
error = errors.LockActive("lock description")
134
self.assertEqualDiff("The lock for 'lock description' is in use and "
138
def test_knit_data_stream_incompatible(self):
139
error = errors.KnitDataStreamIncompatible(
140
'stream format', 'target format')
141
self.assertEqual('Cannot insert knit data stream of format '
142
'"stream format" into knit of format '
143
'"target format".', str(error))
145
def test_knit_data_stream_unknown(self):
146
error = errors.KnitDataStreamUnknown(
148
self.assertEqual('Cannot parse knit data stream of format '
149
'"stream format".', str(error))
151
def test_knit_header_error(self):
152
error = errors.KnitHeaderError('line foo\n', 'path/to/file')
153
self.assertEqual("Knit header error: 'line foo\\n' unexpected"
154
" for file \"path/to/file\".", str(error))
156
def test_knit_index_unknown_method(self):
157
error = errors.KnitIndexUnknownMethod('http://host/foo.kndx',
159
self.assertEqual("Knit index http://host/foo.kndx does not have a"
160
" known method in options: ['bad', 'no-eol']",
163
def test_medium_not_connected(self):
164
error = errors.MediumNotConnected("a medium")
165
self.assertEqualDiff(
166
"The medium 'a medium' is not connected.", str(error))
168
def test_no_public_branch(self):
169
b = self.make_branch('.')
170
error = errors.NoPublicBranch(b)
171
url = urlutils.unescape_for_display(b.base, 'ascii')
172
self.assertEqualDiff(
173
'There is no public branch set for "%s".' % url, str(error))
175
def test_no_repo(self):
176
dir = bzrdir.BzrDir.create(self.get_url())
177
error = errors.NoRepositoryPresent(dir)
178
self.assertNotEqual(-1, str(error).find((dir.transport.clone('..').base)))
179
self.assertEqual(-1, str(error).find((dir.transport.base)))
181
def test_no_smart_medium(self):
182
error = errors.NoSmartMedium("a transport")
183
self.assertEqualDiff("The transport 'a transport' cannot tunnel the "
187
def test_no_help_topic(self):
188
error = errors.NoHelpTopic("topic")
189
self.assertEqualDiff("No help could be found for 'topic'. "
190
"Please use 'bzr help topics' to obtain a list of topics.",
193
def test_no_such_id(self):
194
error = errors.NoSuchId("atree", "anid")
195
self.assertEqualDiff("The file id \"anid\" is not present in the tree "
199
def test_no_such_revision_in_tree(self):
200
error = errors.NoSuchRevisionInTree("atree", "anid")
201
self.assertEqualDiff("The revision id {anid} is not present in the"
202
" tree atree.", str(error))
203
self.assertIsInstance(error, errors.NoSuchRevision)
205
def test_not_stacked(self):
206
error = errors.NotStacked('a branch')
207
self.assertEqualDiff("The branch 'a branch' is not stacked.",
210
def test_not_write_locked(self):
211
error = errors.NotWriteLocked('a thing to repr')
212
self.assertEqualDiff("'a thing to repr' is not write locked but needs "
216
def test_lock_failed(self):
217
error = errors.LockFailed('http://canonical.com/', 'readonly transport')
218
self.assertEqualDiff("Cannot lock http://canonical.com/: readonly transport",
220
self.assertFalse(error.internal_error)
222
def test_too_many_concurrent_requests(self):
223
error = errors.TooManyConcurrentRequests("a medium")
224
self.assertEqualDiff("The medium 'a medium' has reached its concurrent "
225
"request limit. Be sure to finish_writing and finish_reading on "
226
"the currently open request.",
229
def test_unavailable_representation(self):
230
error = errors.UnavailableRepresentation(('key',), "mpdiff", "fulltext")
231
self.assertEqualDiff("The encoding 'mpdiff' is not available for key "
232
"('key',) which is encoded as 'fulltext'.",
235
def test_unknown_hook(self):
236
error = errors.UnknownHook("branch", "foo")
237
self.assertEqualDiff("The branch hook 'foo' is unknown in this version"
240
error = errors.UnknownHook("tree", "bar")
241
self.assertEqualDiff("The tree hook 'bar' is unknown in this version"
245
def test_unstackable_branch_format(self):
248
error = errors.UnstackableBranchFormat(format, url)
249
self.assertEqualDiff(
250
"The branch '/foo'(foo) is not a stackable format. "
251
"You will need to upgrade the branch to permit branch stacking.",
254
def test_unstackable_repository_format(self):
257
error = errors.UnstackableRepositoryFormat(format, url)
258
self.assertEqualDiff(
259
"The repository '/foo'(foo) is not a stackable format. "
260
"You will need to upgrade the repository to permit branch stacking.",
263
def test_up_to_date(self):
264
error = errors.UpToDateFormat(bzrdir.BzrDirFormat4())
265
self.assertEqualDiff("The branch format All-in-one "
266
"format 4 is already at the most "
270
def test_corrupt_repository(self):
271
repo = self.make_repository('.')
272
error = errors.CorruptRepository(repo)
273
self.assertEqualDiff("An error has been detected in the repository %s.\n"
274
"Please run bzr reconcile on this repository." %
275
repo.bzrdir.root_transport.base,
278
def test_read_error(self):
279
# a unicode path to check that %r is being used.
281
error = errors.ReadError(path)
282
self.assertEqualDiff("Error reading from u'a path'.", str(error))
284
def test_bad_index_format_signature(self):
285
error = errors.BadIndexFormatSignature("foo", "bar")
286
self.assertEqual("foo is not an index of type bar.",
289
def test_bad_index_data(self):
290
error = errors.BadIndexData("foo")
291
self.assertEqual("Error in data for index foo.",
294
def test_bad_index_duplicate_key(self):
295
error = errors.BadIndexDuplicateKey("foo", "bar")
296
self.assertEqual("The key 'foo' is already in index 'bar'.",
299
def test_bad_index_key(self):
300
error = errors.BadIndexKey("foo")
301
self.assertEqual("The key 'foo' is not a valid key.",
304
def test_bad_index_options(self):
305
error = errors.BadIndexOptions("foo")
306
self.assertEqual("Could not parse options for index foo.",
309
def test_bad_index_value(self):
310
error = errors.BadIndexValue("foo")
311
self.assertEqual("The value 'foo' is not a valid value.",
314
def test_bzrnewerror_is_deprecated(self):
315
class DeprecatedError(errors.BzrNewError):
317
self.callDeprecated(['BzrNewError was deprecated in bzr 0.13; '
318
'please convert DeprecatedError to use BzrError instead'],
321
def test_bzrerror_from_literal_string(self):
322
# Some code constructs BzrError from a literal string, in which case
323
# no further formatting is done. (I'm not sure raising the base class
324
# is a great idea, but if the exception is not intended to be caught
325
# perhaps no more is needed.)
327
raise errors.BzrError('this is my errors; %d is not expanded')
328
except errors.BzrError, e:
329
self.assertEqual('this is my errors; %d is not expanded', str(e))
331
def test_reading_completed(self):
332
error = errors.ReadingCompleted("a request")
333
self.assertEqualDiff("The MediumRequest 'a request' has already had "
334
"finish_reading called upon it - the request has been completed and"
335
" no more data may be read.",
338
def test_writing_completed(self):
339
error = errors.WritingCompleted("a request")
340
self.assertEqualDiff("The MediumRequest 'a request' has already had "
341
"finish_writing called upon it - accept bytes may not be called "
345
def test_writing_not_completed(self):
346
error = errors.WritingNotComplete("a request")
347
self.assertEqualDiff("The MediumRequest 'a request' has not has "
348
"finish_writing called upon it - until the write phase is complete"
349
" no data may be read.",
352
def test_transport_not_possible(self):
353
error = errors.TransportNotPossible('readonly', 'original error')
354
self.assertEqualDiff('Transport operation not possible:'
355
' readonly original error', str(error))
357
def assertSocketConnectionError(self, expected, *args, **kwargs):
358
"""Check the formatting of a SocketConnectionError exception"""
359
e = errors.SocketConnectionError(*args, **kwargs)
360
self.assertEqual(expected, str(e))
362
def test_socket_connection_error(self):
363
"""Test the formatting of SocketConnectionError"""
365
# There should be a default msg about failing to connect
366
# we only require a host name.
367
self.assertSocketConnectionError(
368
'Failed to connect to ahost',
371
# If port is None, we don't put :None
372
self.assertSocketConnectionError(
373
'Failed to connect to ahost',
375
# But if port is supplied we include it
376
self.assertSocketConnectionError(
377
'Failed to connect to ahost:22',
380
# We can also supply extra information about the error
381
# with or without a port
382
self.assertSocketConnectionError(
383
'Failed to connect to ahost:22; bogus error',
384
'ahost', port=22, orig_error='bogus error')
385
self.assertSocketConnectionError(
386
'Failed to connect to ahost; bogus error',
387
'ahost', orig_error='bogus error')
388
# An exception object can be passed rather than a string
389
orig_error = ValueError('bad value')
390
self.assertSocketConnectionError(
391
'Failed to connect to ahost; %s' % (str(orig_error),),
392
host='ahost', orig_error=orig_error)
394
# And we can supply a custom failure message
395
self.assertSocketConnectionError(
396
'Unable to connect to ssh host ahost:444; my_error',
397
host='ahost', port=444, msg='Unable to connect to ssh host',
398
orig_error='my_error')
400
def test_target_not_branch(self):
401
"""Test the formatting of TargetNotBranch."""
402
error = errors.TargetNotBranch('foo')
404
"Your branch does not have all of the revisions required in "
405
"order to merge this merge directive and the target "
406
"location specified in the merge directive is not a branch: "
409
def test_malformed_bug_identifier(self):
410
"""Test the formatting of MalformedBugIdentifier."""
411
error = errors.MalformedBugIdentifier('bogus', 'reason for bogosity')
413
'Did not understand bug identifier bogus: reason for bogosity. '
414
'See "bzr help bugs" for more information on this feature.',
417
def test_unknown_bug_tracker_abbreviation(self):
418
"""Test the formatting of UnknownBugTrackerAbbreviation."""
419
branch = self.make_branch('some_branch')
420
error = errors.UnknownBugTrackerAbbreviation('xxx', branch)
422
"Cannot find registered bug tracker called xxx on %s" % branch,
425
def test_unexpected_smart_server_response(self):
426
e = errors.UnexpectedSmartServerResponse(('not yes',))
428
"Could not understand response from smart server: ('not yes',)",
431
def test_unknown_container_format(self):
432
"""Test the formatting of UnknownContainerFormatError."""
433
e = errors.UnknownContainerFormatError('bad format string')
435
"Unrecognised container format: 'bad format string'",
438
def test_unexpected_end_of_container(self):
439
"""Test the formatting of UnexpectedEndOfContainerError."""
440
e = errors.UnexpectedEndOfContainerError()
442
"Unexpected end of container stream", str(e))
444
def test_unknown_record_type(self):
445
"""Test the formatting of UnknownRecordTypeError."""
446
e = errors.UnknownRecordTypeError("X")
448
"Unknown record type: 'X'",
451
def test_invalid_record(self):
452
"""Test the formatting of InvalidRecordError."""
453
e = errors.InvalidRecordError("xxx")
455
"Invalid record: xxx",
458
def test_container_has_excess_data(self):
459
"""Test the formatting of ContainerHasExcessDataError."""
460
e = errors.ContainerHasExcessDataError("excess bytes")
462
"Container has data after end marker: 'excess bytes'",
465
def test_duplicate_record_name_error(self):
466
"""Test the formatting of DuplicateRecordNameError."""
467
e = errors.DuplicateRecordNameError(u"n\xe5me".encode('utf-8'))
469
"Container has multiple records with the same name: n\xc3\xa5me",
472
def test_check_error(self):
473
# This has a member called 'message', which is problematic in
474
# python2.5 because that is a slot on the base Exception class
475
e = errors.BzrCheckError('example check failure')
477
"Internal check failed: example check failure",
479
self.assertTrue(e.internal_error)
481
def test_repository_data_stream_error(self):
482
"""Test the formatting of RepositoryDataStreamError."""
483
e = errors.RepositoryDataStreamError(u"my reason")
485
"Corrupt or incompatible data stream: my reason", str(e))
487
def test_immortal_pending_deletion_message(self):
488
err = errors.ImmortalPendingDeletion('foo')
490
"Unable to delete transform temporary directory foo. "
491
"Please examine foo to see if it contains any files "
492
"you wish to keep, and delete it when you are done.",
495
def test_unable_create_symlink(self):
496
err = errors.UnableCreateSymlink()
498
"Unable to create symlink on this platform",
500
err = errors.UnableCreateSymlink(path=u'foo')
502
"Unable to create symlink 'foo' on this platform",
504
err = errors.UnableCreateSymlink(path=u'\xb5')
506
"Unable to create symlink u'\\xb5' on this platform",
509
def test_invalid_url_join(self):
510
"""Test the formatting of InvalidURLJoin."""
511
e = errors.InvalidURLJoin('Reason', 'base path', ('args',))
513
"Invalid URL join request: Reason: 'base path' + ('args',)",
516
def test_incorrect_url(self):
517
err = errors.InvalidBugTrackerURL('foo', 'http://bug.com/')
519
("The URL for bug tracker \"foo\" doesn't contain {id}: "
523
def test_unable_encode_path(self):
524
err = errors.UnableEncodePath('foo', 'executable')
525
self.assertEquals("Unable to encode executable path 'foo' in "
526
"user encoding " + osutils.get_user_encoding(),
529
def test_unknown_format(self):
530
err = errors.UnknownFormatError('bar', kind='foo')
531
self.assertEquals("Unknown foo format: 'bar'", str(err))
533
def test_unknown_rules(self):
534
err = errors.UnknownRules(['foo', 'bar'])
535
self.assertEquals("Unknown rules detected: foo, bar.", str(err))
537
def test_hook_failed(self):
538
# Create an exc_info tuple by raising and catching an exception.
541
except ZeroDivisionError:
542
exc_info = sys.exc_info()
543
err = errors.HookFailed('hook stage', 'hook name', exc_info)
544
self.assertStartsWith(
545
str(err), 'Hook \'hook name\' during hook stage failed:\n')
547
str(err), 'integer division or modulo by zero')
549
def test_tip_change_rejected(self):
550
err = errors.TipChangeRejected(u'Unicode message\N{INTERROBANG}')
552
u'Tip change rejected: Unicode message\N{INTERROBANG}',
555
'Tip change rejected: Unicode message\xe2\x80\xbd',
558
def test_error_from_smart_server(self):
559
error_tuple = ('error', 'tuple')
560
err = errors.ErrorFromSmartServer(error_tuple)
562
"Error received from smart server: ('error', 'tuple')", str(err))
564
def test_untranslateable_error_from_smart_server(self):
565
error_tuple = ('error', 'tuple')
566
orig_err = errors.ErrorFromSmartServer(error_tuple)
567
err = errors.UnknownErrorFromSmartServer(orig_err)
569
"Server sent an unexpected error: ('error', 'tuple')", str(err))
571
def test_smart_message_handler_error(self):
572
# Make an exc_info tuple.
574
raise Exception("example error")
576
exc_info = sys.exc_info()
577
err = errors.SmartMessageHandlerError(exc_info)
578
self.assertStartsWith(
579
str(err), "The message handler raised an exception:\n")
580
self.assertEndsWith(str(err), "Exception: example error\n")
582
def test_must_have_working_tree(self):
583
err = errors.MustHaveWorkingTree('foo', 'bar')
584
self.assertEqual(str(err), "Branching 'bar'(foo) must create a"
587
def test_no_such_view(self):
588
err = errors.NoSuchView('foo')
589
self.assertEquals("No such view: foo.", str(err))
591
def test_views_not_supported(self):
592
err = errors.ViewsNotSupported('atree')
594
self.assertStartsWith(err_str, "Views are not supported by ")
595
self.assertEndsWith(err_str, "; use 'bzr upgrade' to change your "
596
"tree to a later format.")
598
def test_file_outside_view(self):
599
err = errors.FileOutsideView('baz', ['foo', 'bar'])
600
self.assertEquals('Specified file "baz" is outside the current view: '
601
'foo, bar', str(err))
603
def test_invalid_shelf_id(self):
605
err = errors.InvalidShelfId(invalid_id)
606
self.assertEqual('"foo" is not a valid shelf id, '
607
'try a number instead.', str(err))
609
def test_unresumable_write_group(self):
611
wg_tokens = ['token']
613
err = errors.UnresumableWriteGroup(repo, wg_tokens, reason)
615
"Repository dummy repo cannot resume write group "
616
"['token']: a reason", str(err))
618
def test_unsuspendable_write_group(self):
620
err = errors.UnsuspendableWriteGroup(repo)
622
'Repository dummy repo cannot suspend a write group.', str(err))
625
class PassThroughError(errors.BzrError):
627
_fmt = """Pass through %(foo)s and %(bar)s"""
629
def __init__(self, foo, bar):
630
errors.BzrError.__init__(self, foo=foo, bar=bar)
633
class ErrorWithBadFormat(errors.BzrError):
635
_fmt = """One format specifier: %(thing)s"""
638
class ErrorWithNoFormat(errors.BzrError):
639
"""This class has a docstring but no format string."""
642
class TestErrorFormatting(TestCase):
644
def test_always_str(self):
645
e = PassThroughError(u'\xb5', 'bar')
646
self.assertIsInstance(e.__str__(), str)
647
# In Python str(foo) *must* return a real byte string
648
# not a Unicode string. The following line would raise a
649
# Unicode error, because it tries to call str() on the string
650
# returned from e.__str__(), and it has non ascii characters
652
self.assertEqual('Pass through \xc2\xb5 and bar', s)
654
def test_missing_format_string(self):
655
e = ErrorWithNoFormat(param='randomvalue')
656
s = self.callDeprecated(
657
['ErrorWithNoFormat uses its docstring as a format, it should use _fmt instead'],
661
"This class has a docstring but no format string.")
663
def test_mismatched_format_args(self):
664
# Even though ErrorWithBadFormat's format string does not match the
665
# arguments we constructing it with, we can still stringify an instance
666
# of this exception. The resulting string will say its unprintable.
667
e = ErrorWithBadFormat(not_thing='x')
668
self.assertStartsWith(
669
str(e), 'Unprintable exception ErrorWithBadFormat')