55
50
# nb: check this before importing anything else from within it
56
51
_testtools_version = getattr(testtools, '__version__', ())
57
if _testtools_version < (0, 9, 2):
58
raise ImportError("need at least testtools 0.9.2: %s is %r"
52
if _testtools_version < (0, 9, 5):
53
raise ImportError("need at least testtools 0.9.5: %s is %r"
59
54
% (testtools.__file__, _testtools_version))
60
55
from testtools import content
62
58
from bzrlib import (
62
commands as _mod_commands,
71
plugin as _mod_plugin,
78
transport as _mod_transport,
80
import bzrlib.commands
81
import bzrlib.timestamp
83
import bzrlib.inventory
84
import bzrlib.iterablefile
87
82
import bzrlib.lsprof
88
83
except ImportError:
89
84
# lsprof not available
91
from bzrlib.merge import merge_inner
94
from bzrlib.smart import client, request, server
96
from bzrlib import symbol_versioning
86
from bzrlib.smart import client, request
87
from bzrlib.transport import (
97
91
from bzrlib.symbol_versioning import (
99
92
deprecated_function,
105
from bzrlib.transport import (
110
import bzrlib.transport
111
from bzrlib.trace import mutter, note
112
95
from bzrlib.tests import (
116
from bzrlib.tests.http_server import HttpServer
117
from bzrlib.tests.TestUtil import (
121
from bzrlib.tests.treeshape import build_tree_contents
122
100
from bzrlib.ui import NullProgressView
123
101
from bzrlib.ui.text import TextUIFactory
124
import bzrlib.version_info_formats.format_custom
125
from bzrlib.workingtree import WorkingTree, WorkingTreeFormat2
127
103
# Mark this python module as being part of the implementation
128
104
# of unittest: this gives us better tracebacks where the last
140
116
SUBUNIT_SEEK_SET = 0
141
117
SUBUNIT_SEEK_CUR = 1
144
class ExtendedTestResult(unittest._TextTestResult):
119
# These are intentionally brought into this namespace. That way plugins, etc
120
# can just "from bzrlib.tests import TestCase, TestLoader, etc"
121
TestSuite = TestUtil.TestSuite
122
TestLoader = TestUtil.TestLoader
124
# Tests should run in a clean and clearly defined environment. The goal is to
125
# keep them isolated from the running environment as mush as possible. The test
126
# framework ensures the variables defined below are set (or deleted if the
127
# value is None) before a test is run and reset to their original value after
128
# the test is run. Generally if some code depends on an environment variable,
129
# the tests should start without this variable in the environment. There are a
130
# few exceptions but you shouldn't violate this rule lightly.
134
# bzr now uses the Win32 API and doesn't rely on APPDATA, but the
135
# tests do check our impls match APPDATA
136
'BZR_EDITOR': None, # test_msgeditor manipulates this variable
140
'BZREMAIL': None, # may still be present in the environment
141
'EMAIL': 'jrandom@example.com', # set EMAIL as bzr does not guess
142
'BZR_PROGRESS_BAR': None,
143
# This should trap leaks to ~/.bzr.log. This occurs when tests use TestCase
144
# as a base class instead of TestCaseInTempDir. Tests inheriting from
145
# TestCase should not use disk resources, BZR_LOG is one.
146
'BZR_LOG': '/you-should-use-TestCaseInTempDir-if-you-need-a-log-file',
147
'BZR_PLUGIN_PATH': None,
148
'BZR_DISABLE_PLUGINS': None,
149
'BZR_PLUGINS_AT': None,
150
'BZR_CONCURRENCY': None,
151
# Make sure that any text ui tests are consistent regardless of
152
# the environment the test case is run in; you may want tests that
153
# test other combinations. 'dumb' is a reasonable guess for tests
154
# going to a pipe or a StringIO.
160
'SSH_AUTH_SOCK': None,
170
# Nobody cares about ftp_proxy, FTP_PROXY AFAIK. So far at
171
# least. If you do (care), please update this comment
175
'BZR_REMOTE_PATH': None,
176
# Generally speaking, we don't want apport reporting on crashes in
177
# the test envirnoment unless we're specifically testing apport,
178
# so that it doesn't leak into the real system environment. We
179
# use an env var so it propagates to subprocesses.
180
'APPORT_DISABLE': '1',
184
def override_os_environ(test, env=None):
185
"""Modify os.environ keeping a copy.
187
:param test: A test instance
189
:param env: A dict containing variable definitions to be installed
192
env = isolated_environ
193
test._original_os_environ = dict([(var, value)
194
for var, value in os.environ.iteritems()])
195
for var, value in env.iteritems():
196
osutils.set_or_unset_env(var, value)
197
if var not in test._original_os_environ:
198
# The var is new, add it with a value of None, so
199
# restore_os_environ will delete it
200
test._original_os_environ[var] = None
203
def restore_os_environ(test):
204
"""Restore os.environ to its original state.
206
:param test: A test instance previously passed to override_os_environ.
208
for var, value in test._original_os_environ.iteritems():
209
# Restore the original value (or delete it if the value has been set to
210
# None in override_os_environ).
211
osutils.set_or_unset_env(var, value)
214
class ExtendedTestResult(testtools.TextTestResult):
145
215
"""Accepts, reports and accumulates the results of running tests.
147
217
Compared to the unittest version this class adds support for
196
266
self._overall_start_time = time.time()
197
267
self._strict = strict
268
self._first_thread_leaker_id = None
269
self._tests_leaking_threads_count = 0
270
self._traceback_from_test = None
199
272
def stopTestRun(self):
200
273
run = self.testsRun
201
274
actionTaken = "Ran"
202
275
stopTime = time.time()
203
276
timeTaken = stopTime - self.startTime
205
self.stream.writeln(self.separator2)
206
self.stream.writeln("%s %d test%s in %.3fs" % (actionTaken,
277
# GZ 2010-07-19: Seems testtools has no printErrors method, and though
278
# the parent class method is similar have to duplicate
279
self._show_list('ERROR', self.errors)
280
self._show_list('FAIL', self.failures)
281
self.stream.write(self.sep2)
282
self.stream.write("%s %d test%s in %.3fs\n\n" % (actionTaken,
207
283
run, run != 1 and "s" or "", timeTaken))
208
self.stream.writeln()
209
284
if not self.wasSuccessful():
210
285
self.stream.write("FAILED (")
211
286
failed, errored = map(len, (self.failures, self.errors))
218
293
if failed or errored: self.stream.write(", ")
219
294
self.stream.write("known_failure_count=%d" %
220
295
self.known_failure_count)
221
self.stream.writeln(")")
296
self.stream.write(")\n")
223
298
if self.known_failure_count:
224
self.stream.writeln("OK (known_failures=%d)" %
299
self.stream.write("OK (known_failures=%d)\n" %
225
300
self.known_failure_count)
227
self.stream.writeln("OK")
302
self.stream.write("OK\n")
228
303
if self.skip_count > 0:
229
304
skipped = self.skip_count
230
self.stream.writeln('%d test%s skipped' %
305
self.stream.write('%d test%s skipped\n' %
231
306
(skipped, skipped != 1 and "s" or ""))
232
307
if self.unsupported:
233
308
for feature, count in sorted(self.unsupported.items()):
234
self.stream.writeln("Missing feature '%s' skipped %d tests." %
309
self.stream.write("Missing feature '%s' skipped %d tests.\n" %
235
310
(feature, count))
237
312
ok = self.wasStrictlySuccessful()
239
314
ok = self.wasSuccessful()
240
if TestCase._first_thread_leaker_id:
315
if self._first_thread_leaker_id:
241
316
self.stream.write(
242
317
'%s is leaking threads among %d leaking tests.\n' % (
243
TestCase._first_thread_leaker_id,
244
TestCase._leaking_threads_tests))
318
self._first_thread_leaker_id,
319
self._tests_leaking_threads_count))
245
320
# We don't report the main thread as an active one.
246
321
self.stream.write(
247
322
'%d non-main threads were left active in the end.\n'
248
% (TestCase._active_threads - 1))
323
% (len(self._active_threads) - 1))
250
325
def getDescription(self, test):
276
352
def _shortened_test_description(self, test):
278
what = re.sub(r'^bzrlib\.(tests|benchmarks)\.', '', what)
354
what = re.sub(r'^bzrlib\.tests\.', '', what)
357
# GZ 2010-10-04: Cloned tests may end up harmlessly calling this method
358
# multiple times in a row, because the handler is added for
359
# each test but the container list is shared between cases.
360
# See lp:498869 lp:625574 and lp:637725 for background.
361
def _record_traceback_from_test(self, exc_info):
362
"""Store the traceback from passed exc_info tuple till"""
363
self._traceback_from_test = exc_info[2]
281
365
def startTest(self, test):
282
unittest.TestResult.startTest(self, test)
366
super(ExtendedTestResult, self).startTest(test)
283
367
if self.count == 0:
284
368
self.startTests()
285
370
self.report_test_start(test)
286
371
test.number = self.count
287
372
self._recordTestStartTime()
373
# Make testtools cases give us the real traceback on failure
374
addOnException = getattr(test, "addOnException", None)
375
if addOnException is not None:
376
addOnException(self._record_traceback_from_test)
377
# Only check for thread leaks on bzrlib derived test cases
378
if isinstance(test, TestCase):
379
test.addCleanup(self._check_leaked_threads, test)
381
def stopTest(self, test):
382
super(ExtendedTestResult, self).stopTest(test)
383
# Manually break cycles, means touching various private things but hey
384
getDetails = getattr(test, "getDetails", None)
385
if getDetails is not None:
387
# Clear _type_equality_funcs to try to stop TestCase instances
388
# from wasting memory. 'clear' is not available in all Python
389
# versions (bug 809048)
390
type_equality_funcs = getattr(test, "_type_equality_funcs", None)
391
if type_equality_funcs is not None:
392
tef_clear = getattr(type_equality_funcs, "clear", None)
393
if tef_clear is None:
394
tef_instance_dict = getattr(type_equality_funcs, "__dict__", None)
395
if tef_instance_dict is not None:
396
tef_clear = tef_instance_dict.clear
397
if tef_clear is not None:
399
self._traceback_from_test = None
289
401
def startTests(self):
291
if getattr(sys, 'frozen', None) is None:
292
bzr_path = osutils.realpath(sys.argv[0])
294
bzr_path = sys.executable
296
'bzr selftest: %s\n' % (bzr_path,))
299
bzrlib.__path__[0],))
301
' bzr-%s python-%s %s\n' % (
302
bzrlib.version_string,
303
bzrlib._format_version_tuple(sys.version_info),
304
platform.platform(aliased=1),
306
self.stream.write('\n')
402
self.report_tests_starting()
403
self._active_threads = threading.enumerate()
405
def _check_leaked_threads(self, test):
406
"""See if any threads have leaked since last call
408
A sample of live threads is stored in the _active_threads attribute,
409
when this method runs it compares the current live threads and any not
410
in the previous sample are treated as having leaked.
412
now_active_threads = set(threading.enumerate())
413
threads_leaked = now_active_threads.difference(self._active_threads)
415
self._report_thread_leak(test, threads_leaked, now_active_threads)
416
self._tests_leaking_threads_count += 1
417
if self._first_thread_leaker_id is None:
418
self._first_thread_leaker_id = test.id()
419
self._active_threads = now_active_threads
308
421
def _recordTestStartTime(self):
309
422
"""Record that a test has started."""
310
self._start_time = time.time()
312
def _cleanupLogFile(self, test):
313
# We can only do this if we have one of our TestCases, not if
315
setKeepLogfile = getattr(test, 'setKeepLogfile', None)
316
if setKeepLogfile is not None:
423
self._start_datetime = self._now()
319
425
def addError(self, test, err):
320
426
"""Tell result that test finished with an error.
356
460
self._formatTime(benchmark_time),
358
462
self.report_success(test)
359
self._cleanupLogFile(test)
360
unittest.TestResult.addSuccess(self, test)
463
super(ExtendedTestResult, self).addSuccess(test)
361
464
test._log_contents = ''
363
466
def addExpectedFailure(self, test, err):
364
467
self.known_failure_count += 1
365
468
self.report_known_failure(test, err)
470
def addUnexpectedSuccess(self, test, details=None):
471
"""Tell result the test unexpectedly passed, counting as a failure
473
When the minimum version of testtools required becomes 0.9.8 this
474
can be updated to use the new handling there.
476
super(ExtendedTestResult, self).addFailure(test, details=details)
477
self.failure_count += 1
478
self.report_unexpected_success(test,
479
"".join(details["reason"].iter_text()))
367
483
def addNotSupported(self, test, feature):
368
484
"""The test will not be run because of a missing feature.
401
518
raise errors.BzrError("Unknown whence %r" % whence)
403
def report_cleaning_up(self):
520
def report_tests_starting(self):
521
"""Display information before the test run begins"""
522
if getattr(sys, 'frozen', None) is None:
523
bzr_path = osutils.realpath(sys.argv[0])
525
bzr_path = sys.executable
527
'bzr selftest: %s\n' % (bzr_path,))
530
bzrlib.__path__[0],))
532
' bzr-%s python-%s %s\n' % (
533
bzrlib.version_string,
534
bzrlib._format_version_tuple(sys.version_info),
535
platform.platform(aliased=1),
537
self.stream.write('\n')
539
def report_test_start(self, test):
540
"""Display information on the test just about to be run"""
542
def _report_thread_leak(self, test, leaked_threads, active_threads):
543
"""Display information on a test that leaked one or more threads"""
544
# GZ 2010-09-09: A leak summary reported separately from the general
545
# thread debugging would be nice. Tests under subunit
546
# need something not using stream, perhaps adding a
547
# testtools details object would be fitting.
548
if 'threads' in selftest_debug_flags:
549
self.stream.write('%s is leaking, active is now %d\n' %
550
(test.id(), len(active_threads)))
406
552
def startTestRun(self):
407
553
self.startTime = time.time()
551
694
return '%s%s' % (indent, err[1])
553
696
def report_error(self, test, err):
554
self.stream.writeln('ERROR %s\n%s'
697
self.stream.write('ERROR %s\n%s\n'
555
698
% (self._testTimeString(test),
556
699
self._error_summary(err)))
558
701
def report_failure(self, test, err):
559
self.stream.writeln(' FAIL %s\n%s'
702
self.stream.write(' FAIL %s\n%s\n'
560
703
% (self._testTimeString(test),
561
704
self._error_summary(err)))
563
706
def report_known_failure(self, test, err):
564
self.stream.writeln('XFAIL %s\n%s'
707
self.stream.write('XFAIL %s\n%s\n'
565
708
% (self._testTimeString(test),
566
709
self._error_summary(err)))
711
def report_unexpected_success(self, test, reason):
712
self.stream.write(' FAIL %s\n%s: %s\n'
713
% (self._testTimeString(test),
714
"Unexpected success. Should have failed",
568
717
def report_success(self, test):
569
self.stream.writeln(' OK %s' % self._testTimeString(test))
718
self.stream.write(' OK %s\n' % self._testTimeString(test))
570
719
for bench_called, stats in getattr(test, '_benchcalls', []):
571
self.stream.writeln('LSProf output for %s(%s, %s)' % bench_called)
720
self.stream.write('LSProf output for %s(%s, %s)\n' % bench_called)
572
721
stats.pprint(file=self.stream)
573
722
# flush the stream so that we get smooth output. This verbose mode is
574
723
# used to show the output in PQM.
575
724
self.stream.flush()
577
726
def report_skip(self, test, reason):
578
self.stream.writeln(' SKIP %s\n%s'
727
self.stream.write(' SKIP %s\n%s\n'
579
728
% (self._testTimeString(test), reason))
581
730
def report_not_applicable(self, test, reason):
582
self.stream.writeln(' N/A %s\n %s'
731
self.stream.write(' N/A %s\n %s\n'
583
732
% (self._testTimeString(test), reason))
585
734
def report_unsupported(self, test, feature):
586
735
"""test cannot be run because feature is missing."""
587
self.stream.writeln("NODEP %s\n The feature '%s' is not available."
736
self.stream.write("NODEP %s\n The feature '%s' is not available.\n"
588
737
%(self._testTimeString(test), feature))
789
960
routine, and to build and check bzr trees.
791
962
In addition to the usual method of overriding tearDown(), this class also
792
allows subclasses to register functions into the _cleanups list, which is
963
allows subclasses to register cleanup functions via addCleanup, which are
793
964
run in order as the object is torn down. It's less likely this will be
794
965
accidentally overlooked.
797
_active_threads = None
798
_leaking_threads_tests = 0
799
_first_thread_leaker_id = None
800
_log_file_name = None
801
969
# record lsprof data when performing benchmark calls.
802
970
_gather_lsprof_in_benchmarks = False
804
972
def __init__(self, methodName='testMethod'):
805
973
super(TestCase, self).__init__(methodName)
807
974
self._directory_isolation = True
808
975
self.exception_handlers.insert(0,
809
976
(UnavailableFeature, self._do_unsupported_or_skip))
827
990
self._track_transports()
828
991
self._track_locks()
829
992
self._clear_debug_flags()
830
TestCase._active_threads = threading.activeCount()
831
self.addCleanup(self._check_leaked_threads)
993
# Isolate global verbosity level, to make sure it's reproducible
994
# between tests. We should get rid of this altogether: bug 656694. --
996
self.overrideAttr(bzrlib.trace, '_verbosity_level', 0)
997
# Isolate config option expansion until its default value for bzrlib is
998
# settled on or a the FIXME associated with _get_expand_default_value
999
# is addressed -- vila 20110219
1000
self.overrideAttr(config, '_expand_default_value', None)
1001
self._log_files = set()
1002
# Each key in the ``_counters`` dict holds a value for a different
1003
# counter. When the test ends, addDetail() should be used to output the
1004
# counter values. This happens in install_counter_hook().
1006
if 'config_stats' in selftest_debug_flags:
1007
self._install_config_stats_hooks()
833
1009
def debug(self):
834
1010
# debug a frame up.
836
pdb.Pdb().set_trace(sys._getframe().f_back)
838
def _check_leaked_threads(self):
839
active = threading.activeCount()
840
leaked_threads = active - TestCase._active_threads
841
TestCase._active_threads = active
842
# If some tests make the number of threads *decrease*, we'll consider
843
# that they are just observing old threads dieing, not agressively kill
844
# random threads. So we don't report these tests as leaking. The risk
845
# is that we have false positives that way (the test see 2 threads
846
# going away but leak one) but it seems less likely than the actual
847
# false positives (the test see threads going away and does not leak).
848
if leaked_threads > 0:
849
TestCase._leaking_threads_tests += 1
850
if TestCase._first_thread_leaker_id is None:
851
TestCase._first_thread_leaker_id = self.id()
1012
# The sys preserved stdin/stdout should allow blackbox tests debugging
1013
pdb.Pdb(stdin=sys.__stdin__, stdout=sys.__stdout__
1014
).set_trace(sys._getframe().f_back)
1016
def discardDetail(self, name):
1017
"""Extend the addDetail, getDetails api so we can remove a detail.
1019
eg. bzr always adds the 'log' detail at startup, but we don't want to
1020
include it for skipped, xfail, etc tests.
1022
It is safe to call this for a detail that doesn't exist, in case this
1023
gets called multiple times.
1025
# We cheat. details is stored in __details which means we shouldn't
1026
# touch it. but getDetails() returns the dict directly, so we can
1028
details = self.getDetails()
1032
def install_counter_hook(self, hooks, name, counter_name=None):
1033
"""Install a counting hook.
1035
Any hook can be counted as long as it doesn't need to return a value.
1037
:param hooks: Where the hook should be installed.
1039
:param name: The hook name that will be counted.
1041
:param counter_name: The counter identifier in ``_counters``, defaults
1044
_counters = self._counters # Avoid closing over self
1045
if counter_name is None:
1047
if _counters.has_key(counter_name):
1048
raise AssertionError('%s is already used as a counter name'
1050
_counters[counter_name] = 0
1051
self.addDetail(counter_name, content.Content(content.UTF8_TEXT,
1052
lambda: ['%d' % (_counters[counter_name],)]))
1053
def increment_counter(*args, **kwargs):
1054
_counters[counter_name] += 1
1055
label = 'count %s calls' % (counter_name,)
1056
hooks.install_named_hook(name, increment_counter, label)
1057
self.addCleanup(hooks.uninstall_named_hook, name, label)
1059
def _install_config_stats_hooks(self):
1060
"""Install config hooks to count hook calls.
1063
for hook_name in ('get', 'set', 'remove', 'load', 'save'):
1064
self.install_counter_hook(config.ConfigHooks, hook_name,
1065
'config.%s' % (hook_name,))
1067
# The OldConfigHooks are private and need special handling to protect
1068
# against recursive tests (tests that run other tests), so we just do
1069
# manually what registering them into _builtin_known_hooks will provide
1071
self.overrideAttr(config, 'OldConfigHooks', config._OldConfigHooks())
1072
for hook_name in ('get', 'set', 'remove', 'load', 'save'):
1073
self.install_counter_hook(config.OldConfigHooks, hook_name,
1074
'old_config.%s' % (hook_name,))
853
1076
def _clear_debug_flags(self):
854
1077
"""Prevent externally set debug flags affecting tests.
866
1089
def _clear_hooks(self):
867
1090
# prevent hooks affecting tests
1091
known_hooks = hooks.known_hooks
868
1092
self._preserved_hooks = {}
869
for key, factory in hooks.known_hooks.items():
870
parent, name = hooks.known_hooks_key_to_parent_and_attribute(key)
871
current_hooks = hooks.known_hooks_key_to_object(key)
1093
for key, (parent, name) in known_hooks.iter_parent_objects():
1094
current_hooks = getattr(parent, name)
872
1095
self._preserved_hooks[parent] = (name, current_hooks)
1096
self._preserved_lazy_hooks = hooks._lazy_hooks
1097
hooks._lazy_hooks = {}
873
1098
self.addCleanup(self._restoreHooks)
874
for key, factory in hooks.known_hooks.items():
875
parent, name = hooks.known_hooks_key_to_parent_and_attribute(key)
1099
for key, (parent, name) in known_hooks.iter_parent_objects():
1100
factory = known_hooks.get(key)
876
1101
setattr(parent, name, factory())
877
1102
# this hook should always be installed
878
1103
request._install_hook()
1135
1364
'st_mtime did not match')
1136
1365
self.assertEqual(expected.st_ctime, actual.st_ctime,
1137
1366
'st_ctime did not match')
1138
if sys.platform != 'win32':
1367
if sys.platform == 'win32':
1139
1368
# On Win32 both 'dev' and 'ino' cannot be trusted. In python2.4 it
1140
1369
# is 'dev' that varies, in python 2.5 (6?) it is st_ino that is
1141
# odd. Regardless we shouldn't actually try to assert anything
1142
# about their values
1370
# odd. We just force it to always be 0 to avoid any problems.
1371
self.assertEqual(0, expected.st_dev)
1372
self.assertEqual(0, actual.st_dev)
1373
self.assertEqual(0, expected.st_ino)
1374
self.assertEqual(0, actual.st_ino)
1143
1376
self.assertEqual(expected.st_dev, actual.st_dev,
1144
1377
'st_dev did not match')
1145
1378
self.assertEqual(expected.st_ino, actual.st_ino,
1322
1558
self.assertEqual(expected_docstring, obj.__doc__)
1560
@symbol_versioning.deprecated_method(symbol_versioning.deprecated_in((2, 4)))
1324
1561
def failUnlessExists(self, path):
1562
return self.assertPathExists(path)
1564
def assertPathExists(self, path):
1325
1565
"""Fail unless path or paths, which may be abs or relative, exist."""
1326
1566
if not isinstance(path, basestring):
1328
self.failUnlessExists(p)
1568
self.assertPathExists(p)
1330
self.failUnless(osutils.lexists(path),path+" does not exist")
1570
self.assertTrue(osutils.lexists(path),
1571
path + " does not exist")
1573
@symbol_versioning.deprecated_method(symbol_versioning.deprecated_in((2, 4)))
1332
1574
def failIfExists(self, path):
1575
return self.assertPathDoesNotExist(path)
1577
def assertPathDoesNotExist(self, path):
1333
1578
"""Fail if path or paths, which may be abs or relative, exist."""
1334
1579
if not isinstance(path, basestring):
1336
self.failIfExists(p)
1581
self.assertPathDoesNotExist(p)
1338
self.failIf(osutils.lexists(path),path+" exists")
1583
self.assertFalse(osutils.lexists(path),
1340
1586
def _capture_deprecation_warnings(self, a_callable, *args, **kwargs):
1341
1587
"""A helper for callDeprecated and applyDeprecated.
1456
1703
The file is removed as the test is torn down.
1458
fileno, name = tempfile.mkstemp(suffix='.log', prefix='testbzr')
1459
self._log_file = os.fdopen(fileno, 'w+')
1460
self._log_memento = bzrlib.trace.push_log_file(self._log_file)
1461
self._log_file_name = name
1705
pseudo_log_file = StringIO()
1706
def _get_log_contents_for_weird_testtools_api():
1707
return [pseudo_log_file.getvalue().decode(
1708
"utf-8", "replace").encode("utf-8")]
1709
self.addDetail("log", content.Content(content.ContentType("text",
1710
"plain", {"charset": "utf8"}),
1711
_get_log_contents_for_weird_testtools_api))
1712
self._log_file = pseudo_log_file
1713
self._log_memento = trace.push_log_file(self._log_file)
1462
1714
self.addCleanup(self._finishLogFile)
1464
1716
def _finishLogFile(self):
1465
1717
"""Finished with the log file.
1467
Close the file and delete it, unless setKeepLogfile was called.
1719
Close the file and delete it.
1469
if bzrlib.trace._trace_file:
1721
if trace._trace_file:
1470
1722
# flush the log file, to get all content
1471
bzrlib.trace._trace_file.flush()
1472
bzrlib.trace.pop_log_file(self._log_memento)
1473
# Cache the log result and delete the file on disk
1474
self._get_log(False)
1723
trace._trace_file.flush()
1724
trace.pop_log_file(self._log_memento)
1476
1726
def thisFailsStrictLockCheck(self):
1477
1727
"""It is known that this test would fail with -Dstrict_locks.
1513
1758
setattr(obj, attr_name, new)
1761
def overrideEnv(self, name, new):
1762
"""Set an environment variable, and reset it after the test.
1764
:param name: The environment variable name.
1766
:param new: The value to set the variable to. If None, the
1767
variable is deleted from the environment.
1769
:returns: The actual variable value.
1771
value = osutils.set_or_unset_env(name, new)
1772
self.addCleanup(osutils.set_or_unset_env, name, value)
1775
def recordCalls(self, obj, attr_name):
1776
"""Monkeypatch in a wrapper that will record calls.
1778
The monkeypatch is automatically removed when the test concludes.
1780
:param obj: The namespace holding the reference to be replaced;
1781
typically a module, class, or object.
1782
:param attr_name: A string for the name of the attribute to
1784
:returns: A list that will be extended with one item every time the
1785
function is called, with a tuple of (args, kwargs).
1789
def decorator(*args, **kwargs):
1790
calls.append((args, kwargs))
1791
return orig(*args, **kwargs)
1792
orig = self.overrideAttr(obj, attr_name, decorator)
1516
1795
def _cleanEnvironment(self):
1518
'BZR_HOME': None, # Don't inherit BZR_HOME to all the tests.
1519
'HOME': os.getcwd(),
1520
# bzr now uses the Win32 API and doesn't rely on APPDATA, but the
1521
# tests do check our impls match APPDATA
1522
'BZR_EDITOR': None, # test_msgeditor manipulates this variable
1526
'BZREMAIL': None, # may still be present in the environment
1528
'BZR_PROGRESS_BAR': None,
1530
'BZR_PLUGIN_PATH': None,
1531
'BZR_DISABLE_PLUGINS': None,
1532
'BZR_PLUGINS_AT': None,
1533
'BZR_CONCURRENCY': None,
1534
# Make sure that any text ui tests are consistent regardless of
1535
# the environment the test case is run in; you may want tests that
1536
# test other combinations. 'dumb' is a reasonable guess for tests
1537
# going to a pipe or a StringIO.
1541
'BZR_COLUMNS': '80',
1543
'SSH_AUTH_SOCK': None,
1547
'https_proxy': None,
1548
'HTTPS_PROXY': None,
1553
# Nobody cares about ftp_proxy, FTP_PROXY AFAIK. So far at
1554
# least. If you do (care), please update this comment
1558
'BZR_REMOTE_PATH': None,
1559
# Generally speaking, we don't want apport reporting on crashes in
1560
# the test envirnoment unless we're specifically testing apport,
1561
# so that it doesn't leak into the real system environment. We
1562
# use an env var so it propagates to subprocesses.
1563
'APPORT_DISABLE': '1',
1566
self.addCleanup(self._restoreEnvironment)
1567
for name, value in new_env.iteritems():
1568
self._captureVar(name, value)
1570
def _captureVar(self, name, newvalue):
1571
"""Set an environment variable, and reset it when finished."""
1572
self._old_env[name] = osutils.set_or_unset_env(name, newvalue)
1574
def _restoreEnvironment(self):
1575
for name, value in self._old_env.iteritems():
1576
osutils.set_or_unset_env(name, value)
1796
for name, value in isolated_environ.iteritems():
1797
self.overrideEnv(name, value)
1578
1799
def _restoreHooks(self):
1579
1800
for klass, (name, hooks) in self._preserved_hooks.items():
1580
1801
setattr(klass, name, hooks)
1802
self._preserved_hooks.clear()
1803
bzrlib.hooks._lazy_hooks = self._preserved_lazy_hooks
1804
self._preserved_lazy_hooks.clear()
1582
1806
def knownFailure(self, reason):
1583
"""This test has failed for some known reason."""
1584
raise KnownFailure(reason)
1807
"""Declare that this test fails for a known reason
1809
Tests that are known to fail should generally be using expectedFailure
1810
with an appropriate reverse assertion if a change could cause the test
1811
to start passing. Conversely if the test has no immediate prospect of
1812
succeeding then using skip is more suitable.
1814
When this method is called while an exception is being handled, that
1815
traceback will be used, otherwise a new exception will be thrown to
1816
provide one but won't be reported.
1818
self._add_reason(reason)
1820
exc_info = sys.exc_info()
1821
if exc_info != (None, None, None):
1822
self._report_traceback(exc_info)
1825
raise self.failureException(reason)
1826
except self.failureException:
1827
exc_info = sys.exc_info()
1828
# GZ 02-08-2011: Maybe cleanup this err.exc_info attribute too?
1829
raise testtools.testcase._ExpectedFailure(exc_info)
1833
def _suppress_log(self):
1834
"""Remove the log info from details."""
1835
self.discardDetail('log')
1586
1837
def _do_skip(self, result, reason):
1838
self._suppress_log()
1587
1839
addSkip = getattr(result, 'addSkip', None)
1588
1840
if not callable(addSkip):
1589
1841
result.addSuccess(result)
1612
1866
self._do_skip(result, reason)
1869
def _report_skip(self, result, err):
1870
"""Override the default _report_skip.
1872
We want to strip the 'log' detail. If we waint until _do_skip, it has
1873
already been formatted into the 'reason' string, and we can't pull it
1876
self._suppress_log()
1877
super(TestCase, self)._report_skip(self, result, err)
1880
def _report_expected_failure(self, result, err):
1883
See _report_skip for motivation.
1885
self._suppress_log()
1886
super(TestCase, self)._report_expected_failure(self, result, err)
1615
1889
def _do_unsupported_or_skip(self, result, e):
1616
1890
reason = e.args[0]
1891
self._suppress_log()
1617
1892
addNotSupported = getattr(result, 'addNotSupported', None)
1618
1893
if addNotSupported is not None:
1619
1894
result.addNotSupported(self, reason)
1645
1920
self._benchtime += time.time() - start
1647
1922
def log(self, *args):
1650
def _get_log(self, keep_log_file=False):
1651
"""Internal helper to get the log from bzrlib.trace for this test.
1653
Please use self.getDetails, or self.get_log to access this in test case
1656
:param keep_log_file: When True, if the log is still a file on disk
1657
leave it as a file on disk. When False, if the log is still a file
1658
on disk, the log file is deleted and the log preserved as
1660
:return: A string containing the log.
1662
if self._log_contents is not None:
1664
self._log_contents.decode('utf8')
1665
except UnicodeDecodeError:
1666
unicodestr = self._log_contents.decode('utf8', 'replace')
1667
self._log_contents = unicodestr.encode('utf8')
1668
return self._log_contents
1670
if bzrlib.trace._trace_file:
1671
# flush the log file, to get all content
1672
bzrlib.trace._trace_file.flush()
1673
if self._log_file_name is not None:
1674
logfile = open(self._log_file_name)
1676
log_contents = logfile.read()
1680
log_contents.decode('utf8')
1681
except UnicodeDecodeError:
1682
unicodestr = log_contents.decode('utf8', 'replace')
1683
log_contents = unicodestr.encode('utf8')
1684
if not keep_log_file:
1686
max_close_attempts = 100
1687
first_close_error = None
1688
while close_attempts < max_close_attempts:
1691
self._log_file.close()
1692
except IOError, ioe:
1693
if ioe.errno is None:
1694
# No errno implies 'close() called during
1695
# concurrent operation on the same file object', so
1696
# retry. Probably a thread is trying to write to
1698
if first_close_error is None:
1699
first_close_error = ioe
1704
if close_attempts > 1:
1706
'Unable to close log file on first attempt, '
1707
'will retry: %s\n' % (first_close_error,))
1708
if close_attempts == max_close_attempts:
1710
'Unable to close log file after %d attempts.\n'
1711
% (max_close_attempts,))
1712
self._log_file = None
1713
# Permit multiple calls to get_log until we clean it up in
1715
self._log_contents = log_contents
1717
os.remove(self._log_file_name)
1719
if sys.platform == 'win32' and e.errno == errno.EACCES:
1720
sys.stderr.write(('Unable to delete log file '
1721
' %r\n' % self._log_file_name))
1724
self._log_file_name = None
1727
return "No log file content and no log file name."
1729
1925
def get_log(self):
1730
1926
"""Get a unicode string containing the log from bzrlib.trace.
2202
def _add_subprocess_log(self, log_file_path):
2203
if len(self._log_files) == 0:
2204
# Register an addCleanup func. We do this on the first call to
2205
# _add_subprocess_log rather than in TestCase.setUp so that this
2206
# addCleanup is registered after any cleanups for tempdirs that
2207
# subclasses might create, which will probably remove the log file
2209
self.addCleanup(self._subprocess_log_cleanup)
2210
# self._log_files is a set, so if a log file is reused we won't grab it
2212
self._log_files.add(log_file_path)
2214
def _subprocess_log_cleanup(self):
2215
for count, log_file_path in enumerate(self._log_files):
2216
# We use buffer_now=True to avoid holding the file open beyond
2217
# the life of this function, which might interfere with e.g.
2218
# cleaning tempdirs on Windows.
2219
# XXX: Testtools 0.9.5 doesn't have the content_from_file helper
2220
#detail_content = content.content_from_file(
2221
# log_file_path, buffer_now=True)
2222
with open(log_file_path, 'rb') as log_file:
2223
log_file_bytes = log_file.read()
2224
detail_content = content.Content(content.ContentType("text",
2225
"plain", {"charset": "utf8"}), lambda: [log_file_bytes])
2226
self.addDetail("start_bzr_subprocess-log-%d" % (count,),
1997
2229
def _popen(self, *args, **kwargs):
1998
2230
"""Place a call to Popen.
2000
2232
Allows tests to override this method to intercept the calls made to
2001
2233
Popen for introspection.
2003
return Popen(*args, **kwargs)
2235
return subprocess.Popen(*args, **kwargs)
2005
2237
def get_source_path(self):
2006
2238
"""Return the path of the directory containing bzrlib."""
2036
2268
if retcode is not None and retcode != process.returncode:
2037
2269
if process_args is None:
2038
2270
process_args = "(unknown args)"
2039
mutter('Output of bzr %s:\n%s', process_args, out)
2040
mutter('Error for bzr %s:\n%s', process_args, err)
2271
trace.mutter('Output of bzr %s:\n%s', process_args, out)
2272
trace.mutter('Error for bzr %s:\n%s', process_args, err)
2041
2273
self.fail('Command bzr %s failed with retcode %s != %s'
2042
2274
% (process_args, retcode, process.returncode))
2043
2275
return [out, err]
2045
def check_inventory_shape(self, inv, shape):
2046
"""Compare an inventory to a list of expected names.
2277
def check_tree_shape(self, tree, shape):
2278
"""Compare a tree to a list of expected names.
2048
2280
Fail if they are not precisely equal.
2051
2283
shape = list(shape) # copy
2052
for path, ie in inv.entries():
2284
for path, ie in tree.iter_entries_by_dir():
2053
2285
name = path.replace('\\', '/')
2054
2286
if ie.kind == 'directory':
2055
2287
name = name + '/'
2289
pass # ignore root entry
2057
2291
shape.remove(name)
2059
2293
extras.append(name)
2149
2383
class TestCaseWithMemoryTransport(TestCase):
2150
2384
"""Common test class for tests that do not need disk resources.
2152
Tests that need disk resources should derive from TestCaseWithTransport.
2386
Tests that need disk resources should derive from TestCaseInTempDir
2387
orTestCaseWithTransport.
2154
2389
TestCaseWithMemoryTransport sets the TEST_ROOT variable for all bzr tests.
2156
For TestCaseWithMemoryTransport the test_home_dir is set to the name of
2391
For TestCaseWithMemoryTransport the ``test_home_dir`` is set to the name of
2157
2392
a directory which does not exist. This serves to help ensure test isolation
2158
is preserved. test_dir is set to the TEST_ROOT, as is cwd, because they
2159
must exist. However, TestCaseWithMemoryTransport does not offer local
2160
file defaults for the transport in tests, nor does it obey the command line
2393
is preserved. ``test_dir`` is set to the TEST_ROOT, as is cwd, because they
2394
must exist. However, TestCaseWithMemoryTransport does not offer local file
2395
defaults for the transport in tests, nor does it obey the command line
2161
2396
override, so tests that accidentally write to the common directory should
2164
:cvar TEST_ROOT: Directory containing all temporary directories, plus
2165
a .bzr directory that stops us ascending higher into the filesystem.
2399
:cvar TEST_ROOT: Directory containing all temporary directories, plus a
2400
``.bzr`` directory that stops us ascending higher into the filesystem.
2168
2403
TEST_ROOT = None
2427
2670
test_home_dir = self.test_home_dir
2428
2671
if isinstance(test_home_dir, unicode):
2429
2672
test_home_dir = test_home_dir.encode(sys.getfilesystemencoding())
2430
os.environ['HOME'] = test_home_dir
2431
os.environ['BZR_HOME'] = test_home_dir
2673
self.overrideEnv('HOME', test_home_dir)
2674
self.overrideEnv('BZR_HOME', test_home_dir)
2433
2676
def setUp(self):
2434
2677
super(TestCaseWithMemoryTransport, self).setUp()
2678
# Ensure that ConnectedTransport doesn't leak sockets
2679
def get_transport_from_url_with_cleanup(*args, **kwargs):
2680
t = orig_get_transport_from_url(*args, **kwargs)
2681
if isinstance(t, _mod_transport.ConnectedTransport):
2682
self.addCleanup(t.disconnect)
2685
orig_get_transport_from_url = self.overrideAttr(
2686
_mod_transport, 'get_transport_from_url',
2687
get_transport_from_url_with_cleanup)
2435
2688
self._make_test_root()
2436
2689
self.addCleanup(os.chdir, os.getcwdu())
2437
2690
self.makeAndChdirToTestDir()
3191
3456
def partition_tests(suite, count):
3192
3457
"""Partition suite into count lists of tests."""
3194
tests = list(iter_suite_tests(suite))
3195
tests_per_process = int(math.ceil(float(len(tests)) / count))
3196
for block in range(count):
3197
low_test = block * tests_per_process
3198
high_test = low_test + tests_per_process
3199
process_tests = tests[low_test:high_test]
3200
result.append(process_tests)
3458
# This just assigns tests in a round-robin fashion. On one hand this
3459
# splits up blocks of related tests that might run faster if they shared
3460
# resources, but on the other it avoids assigning blocks of slow tests to
3461
# just one partition. So the slowest partition shouldn't be much slower
3463
partitions = [list() for i in range(count)]
3464
tests = iter_suite_tests(suite)
3465
for partition, test in itertools.izip(itertools.cycle(partitions), tests):
3466
partition.append(test)
3204
3470
def workaround_zealous_crypto_random():
3325
class ForwardingResult(unittest.TestResult):
3327
def __init__(self, target):
3328
unittest.TestResult.__init__(self)
3329
self.result = target
3331
def startTest(self, test):
3332
self.result.startTest(test)
3334
def stopTest(self, test):
3335
self.result.stopTest(test)
3337
def startTestRun(self):
3338
self.result.startTestRun()
3340
def stopTestRun(self):
3341
self.result.stopTestRun()
3343
def addSkip(self, test, reason):
3344
self.result.addSkip(test, reason)
3346
def addSuccess(self, test):
3347
self.result.addSuccess(test)
3349
def addError(self, test, err):
3350
self.result.addError(test, err)
3352
def addFailure(self, test, err):
3353
self.result.addFailure(test, err)
3354
ForwardingResult = testtools.ExtendedToOriginalDecorator
3357
class ProfileResult(ForwardingResult):
3593
class ProfileResult(testtools.ExtendedToOriginalDecorator):
3358
3594
"""Generate profiling data for all activity between start and success.
3360
3596
The profile data is appended to the test's _benchcalls attribute and can
3648
3894
'bzrlib.tests.per_repository',
3649
3895
'bzrlib.tests.per_repository_chk',
3650
3896
'bzrlib.tests.per_repository_reference',
3897
'bzrlib.tests.per_repository_vf',
3651
3898
'bzrlib.tests.per_uifactory',
3652
3899
'bzrlib.tests.per_versionedfile',
3653
3900
'bzrlib.tests.per_workingtree',
3654
3901
'bzrlib.tests.test__annotator',
3655
3902
'bzrlib.tests.test__bencode',
3903
'bzrlib.tests.test__btree_serializer',
3656
3904
'bzrlib.tests.test__chk_map',
3657
3905
'bzrlib.tests.test__dirstate_helpers',
3658
3906
'bzrlib.tests.test__groupcompress',
3686
3934
'bzrlib.tests.test_commit_merge',
3687
3935
'bzrlib.tests.test_config',
3688
3936
'bzrlib.tests.test_conflicts',
3937
'bzrlib.tests.test_controldir',
3689
3938
'bzrlib.tests.test_counted_lock',
3690
3939
'bzrlib.tests.test_crash',
3691
3940
'bzrlib.tests.test_decorators',
3692
3941
'bzrlib.tests.test_delta',
3693
3942
'bzrlib.tests.test_debug',
3694
'bzrlib.tests.test_deprecated_graph',
3695
3943
'bzrlib.tests.test_diff',
3696
3944
'bzrlib.tests.test_directory_service',
3697
3945
'bzrlib.tests.test_dirstate',
3699
3947
'bzrlib.tests.test_eol_filters',
3700
3948
'bzrlib.tests.test_errors',
3701
3949
'bzrlib.tests.test_export',
3950
'bzrlib.tests.test_export_pot',
3702
3951
'bzrlib.tests.test_extract',
3952
'bzrlib.tests.test_features',
3703
3953
'bzrlib.tests.test_fetch',
3954
'bzrlib.tests.test_fixtures',
3704
3955
'bzrlib.tests.test_fifo_cache',
3705
3956
'bzrlib.tests.test_filters',
3957
'bzrlib.tests.test_filter_tree',
3706
3958
'bzrlib.tests.test_ftp_transport',
3707
3959
'bzrlib.tests.test_foreign',
3708
3960
'bzrlib.tests.test_generate_docs',
3938
4202
# Some tests mentioned in the list are not in the test suite. The
3939
4203
# list may be out of date, report to the tester.
3940
4204
for id in not_found:
3941
bzrlib.trace.warning('"%s" not found in the test suite', id)
4205
trace.warning('"%s" not found in the test suite', id)
3942
4206
for id in duplicates:
3943
bzrlib.trace.warning('"%s" is used as an id by several tests', id)
4207
trace.warning('"%s" is used as an id by several tests', id)
3948
def multiply_scenarios(scenarios_left, scenarios_right):
4212
def multiply_scenarios(*scenarios):
4213
"""Multiply two or more iterables of scenarios.
4215
It is safe to pass scenario generators or iterators.
4217
:returns: A list of compound scenarios: the cross-product of all
4218
scenarios, with the names concatenated and the parameters
4221
return reduce(_multiply_two_scenarios, map(list, scenarios))
4224
def _multiply_two_scenarios(scenarios_left, scenarios_right):
3949
4225
"""Multiply two sets of scenarios.
3951
4227
:returns: the cartesian product of the two sets of scenarios, that is
4102
4391
if test_id != None:
4103
4392
ui.ui_factory.clear_term()
4104
4393
sys.stderr.write('\nWhile running: %s\n' % (test_id,))
4394
# Ugly, but the last thing we want here is fail, so bear with it.
4395
printable_e = str(e).decode(osutils.get_user_encoding(), 'replace'
4396
).encode('ascii', 'replace')
4105
4397
sys.stderr.write('Unable to remove testing dir %s\n%s'
4106
% (os.path.basename(dirname), e))
4109
class Feature(object):
4110
"""An operating system Feature."""
4113
self._available = None
4115
def available(self):
4116
"""Is the feature available?
4118
:return: True if the feature is available.
4120
if self._available is None:
4121
self._available = self._probe()
4122
return self._available
4125
"""Implement this method in concrete features.
4127
:return: True if the feature is available.
4129
raise NotImplementedError
4132
if getattr(self, 'feature_name', None):
4133
return self.feature_name()
4134
return self.__class__.__name__
4137
class _SymlinkFeature(Feature):
4140
return osutils.has_symlinks()
4142
def feature_name(self):
4145
SymlinkFeature = _SymlinkFeature()
4148
class _HardlinkFeature(Feature):
4151
return osutils.has_hardlinks()
4153
def feature_name(self):
4156
HardlinkFeature = _HardlinkFeature()
4159
class _OsFifoFeature(Feature):
4162
return getattr(os, 'mkfifo', None)
4164
def feature_name(self):
4165
return 'filesystem fifos'
4167
OsFifoFeature = _OsFifoFeature()
4170
class _UnicodeFilenameFeature(Feature):
4171
"""Does the filesystem support Unicode filenames?"""
4175
# Check for character combinations unlikely to be covered by any
4176
# single non-unicode encoding. We use the characters
4177
# - greek small letter alpha (U+03B1) and
4178
# - braille pattern dots-123456 (U+283F).
4179
os.stat(u'\u03b1\u283f')
4180
except UnicodeEncodeError:
4182
except (IOError, OSError):
4183
# The filesystem allows the Unicode filename but the file doesn't
4187
# The filesystem allows the Unicode filename and the file exists,
4191
UnicodeFilenameFeature = _UnicodeFilenameFeature()
4194
class _CompatabilityThunkFeature(Feature):
4195
"""This feature is just a thunk to another feature.
4197
It issues a deprecation warning if it is accessed, to let you know that you
4198
should really use a different feature.
4201
def __init__(self, dep_version, module, name,
4202
replacement_name, replacement_module=None):
4203
super(_CompatabilityThunkFeature, self).__init__()
4204
self._module = module
4205
if replacement_module is None:
4206
replacement_module = module
4207
self._replacement_module = replacement_module
4209
self._replacement_name = replacement_name
4210
self._dep_version = dep_version
4211
self._feature = None
4214
if self._feature is None:
4215
depr_msg = self._dep_version % ('%s.%s'
4216
% (self._module, self._name))
4217
use_msg = ' Use %s.%s instead.' % (self._replacement_module,
4218
self._replacement_name)
4219
symbol_versioning.warn(depr_msg + use_msg, DeprecationWarning)
4220
# Import the new feature and use it as a replacement for the
4222
mod = __import__(self._replacement_module, {}, {},
4223
[self._replacement_name])
4224
self._feature = getattr(mod, self._replacement_name)
4228
return self._feature._probe()
4231
class ModuleAvailableFeature(Feature):
4232
"""This is a feature than describes a module we want to be available.
4234
Declare the name of the module in __init__(), and then after probing, the
4235
module will be available as 'self.module'.
4237
:ivar module: The module if it is available, else None.
4240
def __init__(self, module_name):
4241
super(ModuleAvailableFeature, self).__init__()
4242
self.module_name = module_name
4246
self._module = __import__(self.module_name, {}, {}, [''])
4253
if self.available(): # Make sure the probe has been done
4257
def feature_name(self):
4258
return self.module_name
4261
# This is kept here for compatibility, it is recommended to use
4262
# 'bzrlib.tests.feature.paramiko' instead
4263
ParamikoFeature = _CompatabilityThunkFeature(
4264
deprecated_in((2,1,0)),
4265
'bzrlib.tests.features', 'ParamikoFeature', 'paramiko')
4398
% (os.path.basename(dirname), printable_e))
4268
4401
def probe_unicode_in_user_encoding():
4301
class _HTTPSServerFeature(Feature):
4302
"""Some tests want an https Server, check if one is available.
4304
Right now, the only way this is available is under python2.6 which provides
4315
def feature_name(self):
4316
return 'HTTPSServer'
4319
HTTPSServerFeature = _HTTPSServerFeature()
4322
class _UnicodeFilename(Feature):
4323
"""Does the filesystem support Unicode filenames?"""
4328
except UnicodeEncodeError:
4330
except (IOError, OSError):
4331
# The filesystem allows the Unicode filename but the file doesn't
4335
# The filesystem allows the Unicode filename and the file exists,
4339
UnicodeFilename = _UnicodeFilename()
4342
class _UTF8Filesystem(Feature):
4343
"""Is the filesystem UTF-8?"""
4346
if osutils._fs_enc.upper() in ('UTF-8', 'UTF8'):
4350
UTF8Filesystem = _UTF8Filesystem()
4353
class _BreakinFeature(Feature):
4354
"""Does this platform support the breakin feature?"""
4357
from bzrlib import breakin
4358
if breakin.determine_signal() is None:
4360
if sys.platform == 'win32':
4361
# Windows doesn't have os.kill, and we catch the SIGBREAK signal.
4362
# We trigger SIGBREAK via a Console api so we need ctypes to
4363
# access the function
4370
def feature_name(self):
4371
return "SIGQUIT or SIGBREAK w/ctypes on win32"
4374
BreakinFeature = _BreakinFeature()
4377
class _CaseInsCasePresFilenameFeature(Feature):
4378
"""Is the file-system case insensitive, but case-preserving?"""
4381
fileno, name = tempfile.mkstemp(prefix='MixedCase')
4383
# first check truly case-preserving for created files, then check
4384
# case insensitive when opening existing files.
4385
name = osutils.normpath(name)
4386
base, rel = osutils.split(name)
4387
found_rel = osutils.canonical_relpath(base, name)
4388
return (found_rel == rel
4389
and os.path.isfile(name.upper())
4390
and os.path.isfile(name.lower()))
4395
def feature_name(self):
4396
return "case-insensitive case-preserving filesystem"
4398
CaseInsCasePresFilenameFeature = _CaseInsCasePresFilenameFeature()
4401
class _CaseInsensitiveFilesystemFeature(Feature):
4402
"""Check if underlying filesystem is case-insensitive but *not* case
4405
# Note that on Windows, Cygwin, MacOS etc, the file-systems are far
4406
# more likely to be case preserving, so this case is rare.
4409
if CaseInsCasePresFilenameFeature.available():
4412
if TestCaseWithMemoryTransport.TEST_ROOT is None:
4413
root = osutils.mkdtemp(prefix='testbzr-', suffix='.tmp')
4414
TestCaseWithMemoryTransport.TEST_ROOT = root
4416
root = TestCaseWithMemoryTransport.TEST_ROOT
4417
tdir = osutils.mkdtemp(prefix='case-sensitive-probe-', suffix='',
4419
name_a = osutils.pathjoin(tdir, 'a')
4420
name_A = osutils.pathjoin(tdir, 'A')
4422
result = osutils.isdir(name_A)
4423
_rmtree_temp_dir(tdir)
4426
def feature_name(self):
4427
return 'case-insensitive filesystem'
4429
CaseInsensitiveFilesystemFeature = _CaseInsensitiveFilesystemFeature()
4432
class _CaseSensitiveFilesystemFeature(Feature):
4435
if CaseInsCasePresFilenameFeature.available():
4437
elif CaseInsensitiveFilesystemFeature.available():
4442
def feature_name(self):
4443
return 'case-sensitive filesystem'
4445
# new coding style is for feature instances to be lowercase
4446
case_sensitive_filesystem_feature = _CaseSensitiveFilesystemFeature()
4449
# Kept for compatibility, use bzrlib.tests.features.subunit instead
4450
SubUnitFeature = _CompatabilityThunkFeature(
4451
deprecated_in((2,1,0)),
4452
'bzrlib.tests.features', 'SubUnitFeature', 'subunit')
4453
4434
# Only define SubUnitBzrRunner if subunit is available.
4455
4436
from subunit import TestProtocolClient
4456
4437
from subunit.test_results import AutoTimingTestResultDecorator
4438
class SubUnitBzrProtocolClient(TestProtocolClient):
4440
def addSuccess(self, test, details=None):
4441
# The subunit client always includes the details in the subunit
4442
# stream, but we don't want to include it in ours.
4443
if details is not None and 'log' in details:
4445
return super(SubUnitBzrProtocolClient, self).addSuccess(
4457
4448
class SubUnitBzrRunner(TextTestRunner):
4458
4449
def run(self, test):
4459
4450
result = AutoTimingTestResultDecorator(
4460
TestProtocolClient(self.stream))
4451
SubUnitBzrProtocolClient(self.stream))
4461
4452
test.run(result)
4463
4454
except ImportError:
4466
class _PosixPermissionsFeature(Feature):
4470
# create temporary file and check if specified perms are maintained.
4473
write_perms = stat.S_IRUSR | stat.S_IWUSR | stat.S_IXUSR
4474
f = tempfile.mkstemp(prefix='bzr_perms_chk_')
4477
os.chmod(name, write_perms)
4479
read_perms = os.stat(name).st_mode & 0777
4481
return (write_perms == read_perms)
4483
return (os.name == 'posix') and has_perms()
4485
def feature_name(self):
4486
return 'POSIX permissions support'
4488
posix_permissions_feature = _PosixPermissionsFeature()
4458
@deprecated_function(deprecated_in((2, 5, 0)))
4459
def ModuleAvailableFeature(name):
4460
from bzrlib.tests import features
4461
return features.ModuleAvailableFeature(name)