56
55
# nb: check this before importing anything else from within it
57
56
_testtools_version = getattr(testtools, '__version__', ())
58
if _testtools_version < (0, 9, 5):
59
raise ImportError("need at least testtools 0.9.5: %s is %r"
57
if _testtools_version < (0, 9, 2):
58
raise ImportError("need at least testtools 0.9.2: %s is %r"
60
59
% (testtools.__file__, _testtools_version))
61
60
from testtools import content
64
62
from bzrlib import (
68
commands as _mod_commands,
77
plugin as _mod_plugin,
84
transport as _mod_transport,
80
import bzrlib.commands
81
import bzrlib.timestamp
83
import bzrlib.inventory
84
import bzrlib.iterablefile
88
87
import bzrlib.lsprof
89
88
except ImportError:
90
89
# lsprof not available
92
from bzrlib.smart import client, request
91
from bzrlib.merge import merge_inner
94
from bzrlib.smart import client, request, server
96
from bzrlib import symbol_versioning
97
from bzrlib.symbol_versioning import (
93
105
from bzrlib.transport import (
110
import bzrlib.transport
111
from bzrlib.trace import mutter, note
97
112
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
102
122
from bzrlib.ui import NullProgressView
103
123
from bzrlib.ui.text import TextUIFactory
124
import bzrlib.version_info_formats.format_custom
125
from bzrlib.workingtree import WorkingTree, WorkingTreeFormat2
105
127
# Mark this python module as being part of the implementation
106
128
# of unittest: this gives us better tracebacks where the last
118
140
SUBUNIT_SEEK_SET = 0
119
141
SUBUNIT_SEEK_CUR = 1
121
# These are intentionally brought into this namespace. That way plugins, etc
122
# can just "from bzrlib.tests import TestCase, TestLoader, etc"
123
TestSuite = TestUtil.TestSuite
124
TestLoader = TestUtil.TestLoader
126
# Tests should run in a clean and clearly defined environment. The goal is to
127
# keep them isolated from the running environment as mush as possible. The test
128
# framework ensures the variables defined below are set (or deleted if the
129
# value is None) before a test is run and reset to their original value after
130
# the test is run. Generally if some code depends on an environment variable,
131
# the tests should start without this variable in the environment. There are a
132
# few exceptions but you shouldn't violate this rule lightly.
136
# bzr now uses the Win32 API and doesn't rely on APPDATA, but the
137
# tests do check our impls match APPDATA
138
'BZR_EDITOR': None, # test_msgeditor manipulates this variable
142
'BZREMAIL': None, # may still be present in the environment
143
'EMAIL': 'jrandom@example.com', # set EMAIL as bzr does not guess
144
'BZR_PROGRESS_BAR': None,
145
# This should trap leaks to ~/.bzr.log. This occurs when tests use TestCase
146
# as a base class instead of TestCaseInTempDir. Tests inheriting from
147
# TestCase should not use disk resources, BZR_LOG is one.
148
'BZR_LOG': '/you-should-use-TestCaseInTempDir-if-you-need-a-log-file',
149
'BZR_PLUGIN_PATH': None,
150
'BZR_DISABLE_PLUGINS': None,
151
'BZR_PLUGINS_AT': None,
152
'BZR_CONCURRENCY': None,
153
# Make sure that any text ui tests are consistent regardless of
154
# the environment the test case is run in; you may want tests that
155
# test other combinations. 'dumb' is a reasonable guess for tests
156
# going to a pipe or a StringIO.
162
'SSH_AUTH_SOCK': None,
172
# Nobody cares about ftp_proxy, FTP_PROXY AFAIK. So far at
173
# least. If you do (care), please update this comment
177
'BZR_REMOTE_PATH': None,
178
# Generally speaking, we don't want apport reporting on crashes in
179
# the test envirnoment unless we're specifically testing apport,
180
# so that it doesn't leak into the real system environment. We
181
# use an env var so it propagates to subprocesses.
182
'APPORT_DISABLE': '1',
186
def override_os_environ(test, env=None):
187
"""Modify os.environ keeping a copy.
189
:param test: A test instance
191
:param env: A dict containing variable definitions to be installed
194
env = isolated_environ
195
test._original_os_environ = dict([(var, value)
196
for var, value in os.environ.iteritems()])
197
for var, value in env.iteritems():
198
osutils.set_or_unset_env(var, value)
199
if var not in test._original_os_environ:
200
# The var is new, add it with a value of None, so
201
# restore_os_environ will delete it
202
test._original_os_environ[var] = None
205
def restore_os_environ(test):
206
"""Restore os.environ to its original state.
208
:param test: A test instance previously passed to override_os_environ.
210
for var, value in test._original_os_environ.iteritems():
211
# Restore the original value (or delete it if the value has been set to
212
# None in override_os_environ).
213
osutils.set_or_unset_env(var, value)
216
class ExtendedTestResult(testtools.TextTestResult):
144
class ExtendedTestResult(unittest._TextTestResult):
217
145
"""Accepts, reports and accumulates the results of running tests.
219
147
Compared to the unittest version this class adds support for
268
196
self._overall_start_time = time.time()
269
197
self._strict = strict
270
self._first_thread_leaker_id = None
271
self._tests_leaking_threads_count = 0
272
self._traceback_from_test = None
274
199
def stopTestRun(self):
275
200
run = self.testsRun
276
201
actionTaken = "Ran"
277
202
stopTime = time.time()
278
203
timeTaken = stopTime - self.startTime
279
# GZ 2010-07-19: Seems testtools has no printErrors method, and though
280
# the parent class method is similar have to duplicate
281
self._show_list('ERROR', self.errors)
282
self._show_list('FAIL', self.failures)
283
self.stream.write(self.sep2)
284
self.stream.write("%s %d test%s in %.3fs\n\n" % (actionTaken,
205
self.stream.writeln(self.separator2)
206
self.stream.writeln("%s %d test%s in %.3fs" % (actionTaken,
285
207
run, run != 1 and "s" or "", timeTaken))
208
self.stream.writeln()
286
209
if not self.wasSuccessful():
287
210
self.stream.write("FAILED (")
288
211
failed, errored = map(len, (self.failures, self.errors))
295
218
if failed or errored: self.stream.write(", ")
296
219
self.stream.write("known_failure_count=%d" %
297
220
self.known_failure_count)
298
self.stream.write(")\n")
221
self.stream.writeln(")")
300
223
if self.known_failure_count:
301
self.stream.write("OK (known_failures=%d)\n" %
224
self.stream.writeln("OK (known_failures=%d)" %
302
225
self.known_failure_count)
304
self.stream.write("OK\n")
227
self.stream.writeln("OK")
305
228
if self.skip_count > 0:
306
229
skipped = self.skip_count
307
self.stream.write('%d test%s skipped\n' %
230
self.stream.writeln('%d test%s skipped' %
308
231
(skipped, skipped != 1 and "s" or ""))
309
232
if self.unsupported:
310
233
for feature, count in sorted(self.unsupported.items()):
311
self.stream.write("Missing feature '%s' skipped %d tests.\n" %
234
self.stream.writeln("Missing feature '%s' skipped %d tests." %
312
235
(feature, count))
314
237
ok = self.wasStrictlySuccessful()
316
239
ok = self.wasSuccessful()
317
if self._first_thread_leaker_id:
240
if TestCase._first_thread_leaker_id:
318
241
self.stream.write(
319
242
'%s is leaking threads among %d leaking tests.\n' % (
320
self._first_thread_leaker_id,
321
self._tests_leaking_threads_count))
243
TestCase._first_thread_leaker_id,
244
TestCase._leaking_threads_tests))
322
245
# We don't report the main thread as an active one.
323
246
self.stream.write(
324
247
'%d non-main threads were left active in the end.\n'
325
% (len(self._active_threads) - 1))
248
% (TestCase._active_threads - 1))
327
250
def getDescription(self, test):
354
276
def _shortened_test_description(self, test):
356
what = re.sub(r'^bzrlib\.tests\.', '', what)
278
what = re.sub(r'^bzrlib\.(tests|benchmarks)\.', '', what)
359
# GZ 2010-10-04: Cloned tests may end up harmlessly calling this method
360
# multiple times in a row, because the handler is added for
361
# each test but the container list is shared between cases.
362
# See lp:498869 lp:625574 and lp:637725 for background.
363
def _record_traceback_from_test(self, exc_info):
364
"""Store the traceback from passed exc_info tuple till"""
365
self._traceback_from_test = exc_info[2]
367
281
def startTest(self, test):
368
super(ExtendedTestResult, self).startTest(test)
282
unittest.TestResult.startTest(self, test)
369
283
if self.count == 0:
370
284
self.startTests()
372
285
self.report_test_start(test)
373
286
test.number = self.count
374
287
self._recordTestStartTime()
375
# Make testtools cases give us the real traceback on failure
376
addOnException = getattr(test, "addOnException", None)
377
if addOnException is not None:
378
addOnException(self._record_traceback_from_test)
379
# Only check for thread leaks on bzrlib derived test cases
380
if isinstance(test, TestCase):
381
test.addCleanup(self._check_leaked_threads, test)
383
def stopTest(self, test):
384
super(ExtendedTestResult, self).stopTest(test)
385
# Manually break cycles, means touching various private things but hey
386
getDetails = getattr(test, "getDetails", None)
387
if getDetails is not None:
389
type_equality_funcs = getattr(test, "_type_equality_funcs", None)
390
if type_equality_funcs is not None:
391
type_equality_funcs.clear()
392
self._traceback_from_test = None
394
289
def startTests(self):
395
self.report_tests_starting()
396
self._active_threads = threading.enumerate()
398
def _check_leaked_threads(self, test):
399
"""See if any threads have leaked since last call
401
A sample of live threads is stored in the _active_threads attribute,
402
when this method runs it compares the current live threads and any not
403
in the previous sample are treated as having leaked.
405
now_active_threads = set(threading.enumerate())
406
threads_leaked = now_active_threads.difference(self._active_threads)
408
self._report_thread_leak(test, threads_leaked, now_active_threads)
409
self._tests_leaking_threads_count += 1
410
if self._first_thread_leaker_id is None:
411
self._first_thread_leaker_id = test.id()
412
self._active_threads = now_active_threads
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')
414
308
def _recordTestStartTime(self):
415
309
"""Record that a test has started."""
416
self._start_datetime = self._now()
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:
418
319
def addError(self, test, err):
419
320
"""Tell result that test finished with an error.
453
356
self._formatTime(benchmark_time),
455
358
self.report_success(test)
456
super(ExtendedTestResult, self).addSuccess(test)
359
self._cleanupLogFile(test)
360
unittest.TestResult.addSuccess(self, test)
457
361
test._log_contents = ''
459
363
def addExpectedFailure(self, test, err):
460
364
self.known_failure_count += 1
461
365
self.report_known_failure(test, err)
463
def addUnexpectedSuccess(self, test, details=None):
464
"""Tell result the test unexpectedly passed, counting as a failure
466
When the minimum version of testtools required becomes 0.9.8 this
467
can be updated to use the new handling there.
469
super(ExtendedTestResult, self).addFailure(test, details=details)
470
self.failure_count += 1
471
self.report_unexpected_success(test,
472
"".join(details["reason"].iter_text()))
476
367
def addNotSupported(self, test, feature):
477
368
"""The test will not be run because of a missing feature.
511
401
raise errors.BzrError("Unknown whence %r" % whence)
513
def report_tests_starting(self):
514
"""Display information before the test run begins"""
515
if getattr(sys, 'frozen', None) is None:
516
bzr_path = osutils.realpath(sys.argv[0])
518
bzr_path = sys.executable
520
'bzr selftest: %s\n' % (bzr_path,))
523
bzrlib.__path__[0],))
525
' bzr-%s python-%s %s\n' % (
526
bzrlib.version_string,
527
bzrlib._format_version_tuple(sys.version_info),
528
platform.platform(aliased=1),
530
self.stream.write('\n')
532
def report_test_start(self, test):
533
"""Display information on the test just about to be run"""
535
def _report_thread_leak(self, test, leaked_threads, active_threads):
536
"""Display information on a test that leaked one or more threads"""
537
# GZ 2010-09-09: A leak summary reported separately from the general
538
# thread debugging would be nice. Tests under subunit
539
# need something not using stream, perhaps adding a
540
# testtools details object would be fitting.
541
if 'threads' in selftest_debug_flags:
542
self.stream.write('%s is leaking, active is now %d\n' %
543
(test.id(), len(active_threads)))
403
def report_cleaning_up(self):
545
406
def startTestRun(self):
546
407
self.startTime = time.time()
687
551
return '%s%s' % (indent, err[1])
689
553
def report_error(self, test, err):
690
self.stream.write('ERROR %s\n%s\n'
554
self.stream.writeln('ERROR %s\n%s'
691
555
% (self._testTimeString(test),
692
556
self._error_summary(err)))
694
558
def report_failure(self, test, err):
695
self.stream.write(' FAIL %s\n%s\n'
559
self.stream.writeln(' FAIL %s\n%s'
696
560
% (self._testTimeString(test),
697
561
self._error_summary(err)))
699
563
def report_known_failure(self, test, err):
700
self.stream.write('XFAIL %s\n%s\n'
564
self.stream.writeln('XFAIL %s\n%s'
701
565
% (self._testTimeString(test),
702
566
self._error_summary(err)))
704
def report_unexpected_success(self, test, reason):
705
self.stream.write(' FAIL %s\n%s: %s\n'
706
% (self._testTimeString(test),
707
"Unexpected success. Should have failed",
710
568
def report_success(self, test):
711
self.stream.write(' OK %s\n' % self._testTimeString(test))
569
self.stream.writeln(' OK %s' % self._testTimeString(test))
712
570
for bench_called, stats in getattr(test, '_benchcalls', []):
713
self.stream.write('LSProf output for %s(%s, %s)\n' % bench_called)
571
self.stream.writeln('LSProf output for %s(%s, %s)' % bench_called)
714
572
stats.pprint(file=self.stream)
715
573
# flush the stream so that we get smooth output. This verbose mode is
716
574
# used to show the output in PQM.
717
575
self.stream.flush()
719
577
def report_skip(self, test, reason):
720
self.stream.write(' SKIP %s\n%s\n'
578
self.stream.writeln(' SKIP %s\n%s'
721
579
% (self._testTimeString(test), reason))
723
581
def report_not_applicable(self, test, reason):
724
self.stream.write(' N/A %s\n %s\n'
582
self.stream.writeln(' N/A %s\n %s'
725
583
% (self._testTimeString(test), reason))
727
585
def report_unsupported(self, test, feature):
728
586
"""test cannot be run because feature is missing."""
729
self.stream.write("NODEP %s\n The feature '%s' is not available.\n"
587
self.stream.writeln("NODEP %s\n The feature '%s' is not available."
730
588
%(self._testTimeString(test), feature))
953
789
routine, and to build and check bzr trees.
955
791
In addition to the usual method of overriding tearDown(), this class also
956
allows subclasses to register cleanup functions via addCleanup, which are
792
allows subclasses to register functions into the _cleanups list, which is
957
793
run in order as the object is torn down. It's less likely this will be
958
794
accidentally overlooked.
797
_active_threads = None
798
_leaking_threads_tests = 0
799
_first_thread_leaker_id = None
800
_log_file_name = None
962
801
# record lsprof data when performing benchmark calls.
963
802
_gather_lsprof_in_benchmarks = False
965
804
def __init__(self, methodName='testMethod'):
966
805
super(TestCase, self).__init__(methodName)
967
807
self._directory_isolation = True
968
808
self.exception_handlers.insert(0,
969
809
(UnavailableFeature, self._do_unsupported_or_skip))
983
827
self._track_transports()
984
828
self._track_locks()
985
829
self._clear_debug_flags()
986
# Isolate global verbosity level, to make sure it's reproducible
987
# between tests. We should get rid of this altogether: bug 656694. --
989
self.overrideAttr(bzrlib.trace, '_verbosity_level', 0)
990
# Isolate config option expansion until its default value for bzrlib is
991
# settled on or a the FIXME associated with _get_expand_default_value
992
# is addressed -- vila 20110219
993
self.overrideAttr(config, '_expand_default_value', None)
994
self._log_files = set()
995
# Each key in the ``_counters`` dict holds a value for a different
996
# counter. When the test ends, addDetail() should be used to output the
997
# counter values. This happens in install_counter_hook().
999
if 'config_stats' in selftest_debug_flags:
1000
self._install_config_stats_hooks()
830
TestCase._active_threads = threading.activeCount()
831
self.addCleanup(self._check_leaked_threads)
1002
833
def debug(self):
1003
834
# debug a frame up.
1005
836
pdb.Pdb().set_trace(sys._getframe().f_back)
1007
def discardDetail(self, name):
1008
"""Extend the addDetail, getDetails api so we can remove a detail.
1010
eg. bzr always adds the 'log' detail at startup, but we don't want to
1011
include it for skipped, xfail, etc tests.
1013
It is safe to call this for a detail that doesn't exist, in case this
1014
gets called multiple times.
1016
# We cheat. details is stored in __details which means we shouldn't
1017
# touch it. but getDetails() returns the dict directly, so we can
1019
details = self.getDetails()
1023
def install_counter_hook(self, hooks, name, counter_name=None):
1024
"""Install a counting hook.
1026
Any hook can be counted as long as it doesn't need to return a value.
1028
:param hooks: Where the hook should be installed.
1030
:param name: The hook name that will be counted.
1032
:param counter_name: The counter identifier in ``_counters``, defaults
1035
_counters = self._counters # Avoid closing over self
1036
if counter_name is None:
1038
if _counters.has_key(counter_name):
1039
raise AssertionError('%s is already used as a counter name'
1041
_counters[counter_name] = 0
1042
self.addDetail(counter_name, content.Content(content.UTF8_TEXT,
1043
lambda: ['%d' % (_counters[counter_name],)]))
1044
def increment_counter(*args, **kwargs):
1045
_counters[counter_name] += 1
1046
label = 'count %s calls' % (counter_name,)
1047
hooks.install_named_hook(name, increment_counter, label)
1048
self.addCleanup(hooks.uninstall_named_hook, name, label)
1050
def _install_config_stats_hooks(self):
1051
"""Install config hooks to count hook calls.
1054
for hook_name in ('get', 'set', 'remove', 'load', 'save'):
1055
self.install_counter_hook(config.ConfigHooks, hook_name,
1056
'config.%s' % (hook_name,))
1058
# The OldConfigHooks are private and need special handling to protect
1059
# against recursive tests (tests that run other tests), so we just do
1060
# manually what registering them into _builtin_known_hooks will provide
1062
self.overrideAttr(config, 'OldConfigHooks', config._OldConfigHooks())
1063
for hook_name in ('get', 'set', 'remove', 'load', 'save'):
1064
self.install_counter_hook(config.OldConfigHooks, hook_name,
1065
'old_config.%s' % (hook_name,))
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()
1067
853
def _clear_debug_flags(self):
1068
854
"""Prevent externally set debug flags affecting tests.
1080
866
def _clear_hooks(self):
1081
867
# prevent hooks affecting tests
1082
known_hooks = hooks.known_hooks
1083
868
self._preserved_hooks = {}
1084
for key, (parent, name) in known_hooks.iter_parent_objects():
1085
current_hooks = getattr(parent, name)
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)
1086
872
self._preserved_hooks[parent] = (name, current_hooks)
1087
self._preserved_lazy_hooks = hooks._lazy_hooks
1088
hooks._lazy_hooks = {}
1089
873
self.addCleanup(self._restoreHooks)
1090
for key, (parent, name) in known_hooks.iter_parent_objects():
1091
factory = known_hooks.get(key)
874
for key, factory in hooks.known_hooks.items():
875
parent, name = hooks.known_hooks_key_to_parent_and_attribute(key)
1092
876
setattr(parent, name, factory())
1093
877
# this hook should always be installed
1094
878
request._install_hook()
1123
907
# break some locks on purpose and should be taken into account by
1124
908
# considering that breaking a lock is just a dirty way of releasing it.
1125
909
if len(acquired_locks) != (len(released_locks) + len(broken_locks)):
1127
'Different number of acquired and '
1128
'released or broken locks.\n'
1132
(acquired_locks, released_locks, broken_locks))
910
message = ('Different number of acquired and '
911
'released or broken locks. (%s, %s + %s)' %
912
(acquired_locks, released_locks, broken_locks))
1133
913
if not self._lock_check_thorough:
1134
914
# Rather than fail, just warn
1135
915
print "Broken test %s: %s" % (self, message)
1355
1135
'st_mtime did not match')
1356
1136
self.assertEqual(expected.st_ctime, actual.st_ctime,
1357
1137
'st_ctime did not match')
1358
if sys.platform == 'win32':
1138
if sys.platform != 'win32':
1359
1139
# On Win32 both 'dev' and 'ino' cannot be trusted. In python2.4 it
1360
1140
# is 'dev' that varies, in python 2.5 (6?) it is st_ino that is
1361
# odd. We just force it to always be 0 to avoid any problems.
1362
self.assertEqual(0, expected.st_dev)
1363
self.assertEqual(0, actual.st_dev)
1364
self.assertEqual(0, expected.st_ino)
1365
self.assertEqual(0, actual.st_ino)
1141
# odd. Regardless we shouldn't actually try to assert anything
1142
# about their values
1367
1143
self.assertEqual(expected.st_dev, actual.st_dev,
1368
1144
'st_dev did not match')
1369
1145
self.assertEqual(expected.st_ino, actual.st_ino,
1378
1154
length, len(obj_with_len), obj_with_len))
1380
1156
def assertLogsError(self, exception_class, func, *args, **kwargs):
1381
"""Assert that `func(*args, **kwargs)` quietly logs a specific error.
1157
"""Assert that func(*args, **kwargs) quietly logs a specific exception.
1159
from bzrlib import trace
1384
1161
orig_log_exception_quietly = trace.log_exception_quietly
1387
1164
orig_log_exception_quietly()
1388
captured.append(sys.exc_info()[1])
1165
captured.append(sys.exc_info())
1389
1166
trace.log_exception_quietly = capture
1390
1167
func(*args, **kwargs)
1392
1169
trace.log_exception_quietly = orig_log_exception_quietly
1393
1170
self.assertLength(1, captured)
1171
err = captured[0][1]
1395
1172
self.assertIsInstance(err, exception_class)
1549
1322
self.assertEqual(expected_docstring, obj.__doc__)
1551
@symbol_versioning.deprecated_method(symbol_versioning.deprecated_in((2, 4)))
1552
1324
def failUnlessExists(self, path):
1553
return self.assertPathExists(path)
1555
def assertPathExists(self, path):
1556
1325
"""Fail unless path or paths, which may be abs or relative, exist."""
1557
1326
if not isinstance(path, basestring):
1559
self.assertPathExists(p)
1328
self.failUnlessExists(p)
1561
self.assertTrue(osutils.lexists(path),
1562
path + " does not exist")
1330
self.failUnless(osutils.lexists(path),path+" does not exist")
1564
@symbol_versioning.deprecated_method(symbol_versioning.deprecated_in((2, 4)))
1565
1332
def failIfExists(self, path):
1566
return self.assertPathDoesNotExist(path)
1568
def assertPathDoesNotExist(self, path):
1569
1333
"""Fail if path or paths, which may be abs or relative, exist."""
1570
1334
if not isinstance(path, basestring):
1572
self.assertPathDoesNotExist(p)
1336
self.failIfExists(p)
1574
self.assertFalse(osutils.lexists(path),
1338
self.failIf(osutils.lexists(path),path+" exists")
1577
1340
def _capture_deprecation_warnings(self, a_callable, *args, **kwargs):
1578
1341
"""A helper for callDeprecated and applyDeprecated.
1694
1456
The file is removed as the test is torn down.
1696
pseudo_log_file = StringIO()
1697
def _get_log_contents_for_weird_testtools_api():
1698
return [pseudo_log_file.getvalue().decode(
1699
"utf-8", "replace").encode("utf-8")]
1700
self.addDetail("log", content.Content(content.ContentType("text",
1701
"plain", {"charset": "utf8"}),
1702
_get_log_contents_for_weird_testtools_api))
1703
self._log_file = pseudo_log_file
1704
self._log_memento = trace.push_log_file(self._log_file)
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
1462
self.addCleanup(self._finishLogFile)
1707
1464
def _finishLogFile(self):
1708
1465
"""Finished with the log file.
1710
Close the file and delete it.
1467
Close the file and delete it, unless setKeepLogfile was called.
1712
if trace._trace_file:
1469
if bzrlib.trace._trace_file:
1713
1470
# flush the log file, to get all content
1714
trace._trace_file.flush()
1715
trace.pop_log_file(self._log_memento)
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)
1717
1476
def thisFailsStrictLockCheck(self):
1718
1477
"""It is known that this test would fail with -Dstrict_locks.
1746
1513
setattr(obj, attr_name, new)
1749
def overrideEnv(self, name, new):
1750
"""Set an environment variable, and reset it after the test.
1752
:param name: The environment variable name.
1754
:param new: The value to set the variable to. If None, the
1755
variable is deleted from the environment.
1757
:returns: The actual variable value.
1759
value = osutils.set_or_unset_env(name, new)
1760
self.addCleanup(osutils.set_or_unset_env, name, value)
1763
1516
def _cleanEnvironment(self):
1764
for name, value in isolated_environ.iteritems():
1765
self.overrideEnv(name, value)
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)
1767
1578
def _restoreHooks(self):
1768
1579
for klass, (name, hooks) in self._preserved_hooks.items():
1769
1580
setattr(klass, name, hooks)
1770
self._preserved_hooks.clear()
1771
bzrlib.hooks._lazy_hooks = self._preserved_lazy_hooks
1772
self._preserved_lazy_hooks.clear()
1774
1582
def knownFailure(self, reason):
1775
1583
"""This test has failed for some known reason."""
1776
1584
raise KnownFailure(reason)
1778
def _suppress_log(self):
1779
"""Remove the log info from details."""
1780
self.discardDetail('log')
1782
1586
def _do_skip(self, result, reason):
1783
self._suppress_log()
1784
1587
addSkip = getattr(result, 'addSkip', None)
1785
1588
if not callable(addSkip):
1786
1589
result.addSuccess(result)
1811
1612
self._do_skip(result, reason)
1814
def _report_skip(self, result, err):
1815
"""Override the default _report_skip.
1817
We want to strip the 'log' detail. If we waint until _do_skip, it has
1818
already been formatted into the 'reason' string, and we can't pull it
1821
self._suppress_log()
1822
super(TestCase, self)._report_skip(self, result, err)
1825
def _report_expected_failure(self, result, err):
1828
See _report_skip for motivation.
1830
self._suppress_log()
1831
super(TestCase, self)._report_expected_failure(self, result, err)
1834
1615
def _do_unsupported_or_skip(self, result, e):
1835
1616
reason = e.args[0]
1836
self._suppress_log()
1837
1617
addNotSupported = getattr(result, 'addNotSupported', None)
1838
1618
if addNotSupported is not None:
1839
1619
result.addNotSupported(self, reason)
1865
1645
self._benchtime += time.time() - start
1867
1647
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."
1870
1729
def get_log(self):
1871
1730
"""Get a unicode string containing the log from bzrlib.trace.
2087
1945
variables. A value of None will unset the env variable.
2088
1946
The values must be strings. The change will only occur in the
2089
1947
child, so you don't need to fix the environment after running.
2090
:param skip_if_plan_to_signal: raise TestSkipped when true and system
2091
doesn't support signalling subprocesses.
1948
:param skip_if_plan_to_signal: raise TestSkipped when true and os.kill
2092
1950
:param allow_plugins: If False (default) pass --no-plugins to bzr.
2093
:param stderr: file to use for the subprocess's stderr. Valid values
2094
are those valid for the stderr argument of `subprocess.Popen`.
2095
Default value is ``subprocess.PIPE``.
2097
1952
:returns: Popen object for the started process.
2099
1954
if skip_if_plan_to_signal:
2100
if os.name != "posix":
2101
raise TestSkipped("Sending signals not supported")
1955
if not getattr(os, 'kill', None):
1956
raise TestSkipped("os.kill not available.")
2103
1958
if env_changes is None:
2104
1959
env_changes = {}
2147
def _add_subprocess_log(self, log_file_path):
2148
if len(self._log_files) == 0:
2149
# Register an addCleanup func. We do this on the first call to
2150
# _add_subprocess_log rather than in TestCase.setUp so that this
2151
# addCleanup is registered after any cleanups for tempdirs that
2152
# subclasses might create, which will probably remove the log file
2154
self.addCleanup(self._subprocess_log_cleanup)
2155
# self._log_files is a set, so if a log file is reused we won't grab it
2157
self._log_files.add(log_file_path)
2159
def _subprocess_log_cleanup(self):
2160
for count, log_file_path in enumerate(self._log_files):
2161
# We use buffer_now=True to avoid holding the file open beyond
2162
# the life of this function, which might interfere with e.g.
2163
# cleaning tempdirs on Windows.
2164
# XXX: Testtools 0.9.5 doesn't have the content_from_file helper
2165
#detail_content = content.content_from_file(
2166
# log_file_path, buffer_now=True)
2167
with open(log_file_path, 'rb') as log_file:
2168
log_file_bytes = log_file.read()
2169
detail_content = content.Content(content.ContentType("text",
2170
"plain", {"charset": "utf8"}), lambda: [log_file_bytes])
2171
self.addDetail("start_bzr_subprocess-log-%d" % (count,),
2174
1997
def _popen(self, *args, **kwargs):
2175
1998
"""Place a call to Popen.
2177
2000
Allows tests to override this method to intercept the calls made to
2178
2001
Popen for introspection.
2180
return subprocess.Popen(*args, **kwargs)
2003
return Popen(*args, **kwargs)
2182
2005
def get_source_path(self):
2183
2006
"""Return the path of the directory containing bzrlib."""
2213
2036
if retcode is not None and retcode != process.returncode:
2214
2037
if process_args is None:
2215
2038
process_args = "(unknown args)"
2216
trace.mutter('Output of bzr %s:\n%s', process_args, out)
2217
trace.mutter('Error for bzr %s:\n%s', process_args, err)
2039
mutter('Output of bzr %s:\n%s', process_args, out)
2040
mutter('Error for bzr %s:\n%s', process_args, err)
2218
2041
self.fail('Command bzr %s failed with retcode %s != %s'
2219
2042
% (process_args, retcode, process.returncode))
2220
2043
return [out, err]
2222
def check_tree_shape(self, tree, shape):
2223
"""Compare a tree to a list of expected names.
2045
def check_inventory_shape(self, inv, shape):
2046
"""Compare an inventory to a list of expected names.
2225
2048
Fail if they are not precisely equal.
2228
2051
shape = list(shape) # copy
2229
for path, ie in tree.iter_entries_by_dir():
2052
for path, ie in inv.entries():
2230
2053
name = path.replace('\\', '/')
2231
2054
if ie.kind == 'directory':
2232
2055
name = name + '/'
2234
pass # ignore root entry
2236
2057
shape.remove(name)
2238
2059
extras.append(name)
2328
2149
class TestCaseWithMemoryTransport(TestCase):
2329
2150
"""Common test class for tests that do not need disk resources.
2331
Tests that need disk resources should derive from TestCaseInTempDir
2332
orTestCaseWithTransport.
2152
Tests that need disk resources should derive from TestCaseWithTransport.
2334
2154
TestCaseWithMemoryTransport sets the TEST_ROOT variable for all bzr tests.
2336
For TestCaseWithMemoryTransport the ``test_home_dir`` is set to the name of
2156
For TestCaseWithMemoryTransport the test_home_dir is set to the name of
2337
2157
a directory which does not exist. This serves to help ensure test isolation
2338
is preserved. ``test_dir`` is set to the TEST_ROOT, as is cwd, because they
2339
must exist. However, TestCaseWithMemoryTransport does not offer local file
2340
defaults for the transport in tests, nor does it obey the command line
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
2341
2161
override, so tests that accidentally write to the common directory should
2344
:cvar TEST_ROOT: Directory containing all temporary directories, plus a
2345
``.bzr`` directory that stops us ascending higher into the filesystem.
2164
:cvar TEST_ROOT: Directory containing all temporary directories, plus
2165
a .bzr directory that stops us ascending higher into the filesystem.
2348
2168
TEST_ROOT = None
2588
2408
made_control = self.make_bzrdir(relpath, format=format)
2589
2409
return made_control.create_repository(shared=shared)
2591
def make_smart_server(self, path, backing_server=None):
2592
if backing_server is None:
2593
backing_server = self.get_server()
2411
def make_smart_server(self, path):
2594
2412
smart_server = test_server.SmartTCPServer_for_testing()
2595
self.start_server(smart_server, backing_server)
2596
remote_transport = _mod_transport.get_transport(smart_server.get_url()
2413
self.start_server(smart_server, self.get_server())
2414
remote_transport = get_transport(smart_server.get_url()).clone(path)
2598
2415
return remote_transport
2600
2417
def make_branch_and_memory_tree(self, relpath, format=None):
2610
2427
test_home_dir = self.test_home_dir
2611
2428
if isinstance(test_home_dir, unicode):
2612
2429
test_home_dir = test_home_dir.encode(sys.getfilesystemencoding())
2613
self.overrideEnv('HOME', test_home_dir)
2614
self.overrideEnv('BZR_HOME', test_home_dir)
2430
os.environ['HOME'] = test_home_dir
2431
os.environ['BZR_HOME'] = test_home_dir
2616
2433
def setUp(self):
2617
2434
super(TestCaseWithMemoryTransport, self).setUp()
2618
# Ensure that ConnectedTransport doesn't leak sockets
2619
def get_transport_with_cleanup(*args, **kwargs):
2620
t = orig_get_transport(*args, **kwargs)
2621
if isinstance(t, _mod_transport.ConnectedTransport):
2622
self.addCleanup(t.disconnect)
2625
orig_get_transport = self.overrideAttr(_mod_transport, 'get_transport',
2626
get_transport_with_cleanup)
2627
2435
self._make_test_root()
2628
2436
self.addCleanup(os.chdir, os.getcwdu())
2629
2437
self.makeAndChdirToTestDir()
3395
3191
def partition_tests(suite, count):
3396
3192
"""Partition suite into count lists of tests."""
3397
# This just assigns tests in a round-robin fashion. On one hand this
3398
# splits up blocks of related tests that might run faster if they shared
3399
# resources, but on the other it avoids assigning blocks of slow tests to
3400
# just one partition. So the slowest partition shouldn't be much slower
3402
partitions = [list() for i in range(count)]
3403
tests = iter_suite_tests(suite)
3404
for partition, test in itertools.izip(itertools.cycle(partitions), tests):
3405
partition.append(test)
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)
3409
3204
def workaround_zealous_crypto_random():
3532
class ProfileResult(testtools.ExtendedToOriginalDecorator):
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):
3533
3358
"""Generate profiling data for all activity between start and success.
3535
3360
The profile data is appended to the test's _benchcalls attribute and can
3833
3648
'bzrlib.tests.per_repository',
3834
3649
'bzrlib.tests.per_repository_chk',
3835
3650
'bzrlib.tests.per_repository_reference',
3836
'bzrlib.tests.per_repository_vf',
3837
3651
'bzrlib.tests.per_uifactory',
3838
3652
'bzrlib.tests.per_versionedfile',
3839
3653
'bzrlib.tests.per_workingtree',
3840
3654
'bzrlib.tests.test__annotator',
3841
3655
'bzrlib.tests.test__bencode',
3842
'bzrlib.tests.test__btree_serializer',
3843
3656
'bzrlib.tests.test__chk_map',
3844
3657
'bzrlib.tests.test__dirstate_helpers',
3845
3658
'bzrlib.tests.test__groupcompress',
3873
3686
'bzrlib.tests.test_commit_merge',
3874
3687
'bzrlib.tests.test_config',
3875
3688
'bzrlib.tests.test_conflicts',
3876
'bzrlib.tests.test_controldir',
3877
3689
'bzrlib.tests.test_counted_lock',
3878
3690
'bzrlib.tests.test_crash',
3879
3691
'bzrlib.tests.test_decorators',
3880
3692
'bzrlib.tests.test_delta',
3881
3693
'bzrlib.tests.test_debug',
3694
'bzrlib.tests.test_deprecated_graph',
3882
3695
'bzrlib.tests.test_diff',
3883
3696
'bzrlib.tests.test_directory_service',
3884
3697
'bzrlib.tests.test_dirstate',
3925
3734
'bzrlib.tests.test_lru_cache',
3926
3735
'bzrlib.tests.test_lsprof',
3927
3736
'bzrlib.tests.test_mail_client',
3928
'bzrlib.tests.test_matchers',
3929
3737
'bzrlib.tests.test_memorytree',
3930
3738
'bzrlib.tests.test_merge',
3931
3739
'bzrlib.tests.test_merge3',
3932
3740
'bzrlib.tests.test_merge_core',
3933
3741
'bzrlib.tests.test_merge_directive',
3934
'bzrlib.tests.test_mergetools',
3935
3742
'bzrlib.tests.test_missing',
3936
3743
'bzrlib.tests.test_msgeditor',
3937
3744
'bzrlib.tests.test_multiparent',
4139
3937
# Some tests mentioned in the list are not in the test suite. The
4140
3938
# list may be out of date, report to the tester.
4141
3939
for id in not_found:
4142
trace.warning('"%s" not found in the test suite', id)
3940
bzrlib.trace.warning('"%s" not found in the test suite', id)
4143
3941
for id in duplicates:
4144
trace.warning('"%s" is used as an id by several tests', id)
3942
bzrlib.trace.warning('"%s" is used as an id by several tests', id)
4149
def multiply_scenarios(*scenarios):
4150
"""Multiply two or more iterables of scenarios.
4152
It is safe to pass scenario generators or iterators.
4154
:returns: A list of compound scenarios: the cross-product of all
4155
scenarios, with the names concatenated and the parameters
4158
return reduce(_multiply_two_scenarios, map(list, scenarios))
4161
def _multiply_two_scenarios(scenarios_left, scenarios_right):
3947
def multiply_scenarios(scenarios_left, scenarios_right):
4162
3948
"""Multiply two sets of scenarios.
4164
3950
:returns: the cartesian product of the two sets of scenarios, that is
4677
4445
case_sensitive_filesystem_feature = _CaseSensitiveFilesystemFeature()
4448
# Kept for compatibility, use bzrlib.tests.features.subunit instead
4449
SubUnitFeature = _CompatabilityThunkFeature(
4450
deprecated_in((2,1,0)),
4451
'bzrlib.tests.features', 'SubUnitFeature', 'subunit')
4680
4452
# Only define SubUnitBzrRunner if subunit is available.
4682
4454
from subunit import TestProtocolClient
4683
4455
from subunit.test_results import AutoTimingTestResultDecorator
4684
class SubUnitBzrProtocolClient(TestProtocolClient):
4686
def addSuccess(self, test, details=None):
4687
# The subunit client always includes the details in the subunit
4688
# stream, but we don't want to include it in ours.
4689
if details is not None and 'log' in details:
4691
return super(SubUnitBzrProtocolClient, self).addSuccess(
4694
4456
class SubUnitBzrRunner(TextTestRunner):
4695
4457
def run(self, test):
4696
4458
result = AutoTimingTestResultDecorator(
4697
SubUnitBzrProtocolClient(self.stream))
4459
TestProtocolClient(self.stream))
4698
4460
test.run(result)
4700
4462
except ImportError: