1
# Copyright (C) 2005 by Canonical Ltd
1
# Copyright (C) 2005, 2006, 2007, 2008, 2009 Canonical Ltd
3
3
# This program is free software; you can redistribute it and/or modify
4
4
# it under the terms of the GNU General Public License as published by
5
5
# the Free Software Foundation; either version 2 of the License, or
6
6
# (at your option) any later version.
8
8
# This program is distributed in the hope that it will be useful,
9
9
# but WITHOUT ANY WARRANTY; without even the implied warranty of
10
10
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11
11
# GNU General Public License for more details.
13
13
# You should have received a copy of the GNU General Public License
14
14
# along with this program; if not, write to the Free Software
15
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18
from testsweet import TestBase, run_suite, InTempDir
15
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
18
# TODO: Perhaps there should be an API to find out if bzr running under the
19
# test suite -- some plugins might want to avoid making intrusive changes if
20
# this is the case. However, we want behaviour under to test to diverge as
21
# little as possible, so this should be used rarely if it's added at all.
22
# (Suggestion from j-a-meinel, 2005-11-24)
24
# NOTE: Some classes in here use camelCaseNaming() rather than
25
# underscore_naming(). That's for consistency with unittest; it's not the
26
# general style of bzrlib. Please continue that consistency when adding e.g.
27
# new assertFoo() methods.
31
from cStringIO import StringIO
38
from pprint import pformat
43
from subprocess import Popen, PIPE, STDOUT
19
68
import bzrlib.commands
22
MODULES_TO_DOCTEST = []
25
class BzrTestBase(InTempDir):
26
"""bzr-specific test base class"""
27
def run_bzr(self, *args, **kwargs):
28
retcode = kwargs.get('retcode', 0)
29
self.assertEquals(bzrlib.commands.run_bzr(args), retcode)
69
import bzrlib.timestamp
71
import bzrlib.inventory
72
import bzrlib.iterablefile
77
# lsprof not available
79
from bzrlib.merge import merge_inner
82
from bzrlib.smart import client, request, server
84
from bzrlib import symbol_versioning
85
from bzrlib.symbol_versioning import (
92
from bzrlib.transport import get_transport
93
import bzrlib.transport
94
from bzrlib.transport.local import LocalURLServer
95
from bzrlib.transport.memory import MemoryServer
96
from bzrlib.transport.readonly import ReadonlyServer
97
from bzrlib.trace import mutter, note
98
from bzrlib.tests import TestUtil
99
from bzrlib.tests.http_server import HttpServer
100
from bzrlib.tests.TestUtil import (
104
from bzrlib.tests.treeshape import build_tree_contents
105
from bzrlib.ui import NullProgressView
106
from bzrlib.ui.text import TextUIFactory
107
import bzrlib.version_info_formats.format_custom
108
from bzrlib.workingtree import WorkingTree, WorkingTreeFormat2
110
# Mark this python module as being part of the implementation
111
# of unittest: this gives us better tracebacks where the last
112
# shown frame is the test code, not our assertXYZ.
115
default_transport = LocalURLServer
117
# Subunit result codes, defined here to prevent a hard dependency on subunit.
122
class ExtendedTestResult(unittest._TextTestResult):
123
"""Accepts, reports and accumulates the results of running tests.
125
Compared to the unittest version this class adds support for
126
profiling, benchmarking, stopping as soon as a test fails, and
127
skipping tests. There are further-specialized subclasses for
128
different types of display.
130
When a test finishes, in whatever way, it calls one of the addSuccess,
131
addFailure or addError classes. These in turn may redirect to a more
132
specific case for the special test results supported by our extended
135
Note that just one of these objects is fed the results from many tests.
140
def __init__(self, stream, descriptions, verbosity,
144
"""Construct new TestResult.
146
:param bench_history: Optionally, a writable file object to accumulate
149
unittest._TextTestResult.__init__(self, stream, descriptions, verbosity)
150
if bench_history is not None:
151
from bzrlib.version import _get_bzr_source_tree
152
src_tree = _get_bzr_source_tree()
155
revision_id = src_tree.get_parent_ids()[0]
157
# XXX: if this is a brand new tree, do the same as if there
161
# XXX: If there's no branch, what should we do?
163
bench_history.write("--date %s %s\n" % (time.time(), revision_id))
164
self._bench_history = bench_history
165
self.ui = ui.ui_factory
168
self.failure_count = 0
169
self.known_failure_count = 0
171
self.not_applicable_count = 0
172
self.unsupported = {}
174
self._overall_start_time = time.time()
175
self._strict = strict
178
# nb: called stopTestRun in the version of this that Python merged
179
# upstream, according to lifeless 20090803
181
ok = self.wasStrictlySuccessful()
183
ok = self.wasSuccessful()
185
self.stream.write('tests passed\n')
187
self.stream.write('tests failed\n')
188
if TestCase._first_thread_leaker_id:
190
'%s is leaking threads among %d leaking tests.\n' % (
191
TestCase._first_thread_leaker_id,
192
TestCase._leaking_threads_tests))
194
def _extractBenchmarkTime(self, testCase):
195
"""Add a benchmark time for the current test case."""
196
return getattr(testCase, "_benchtime", None)
198
def _elapsedTestTimeString(self):
199
"""Return a time string for the overall time the current test has taken."""
200
return self._formatTime(time.time() - self._start_time)
202
def _testTimeString(self, testCase):
203
benchmark_time = self._extractBenchmarkTime(testCase)
204
if benchmark_time is not None:
205
return self._formatTime(benchmark_time) + "*"
207
return self._elapsedTestTimeString()
209
def _formatTime(self, seconds):
210
"""Format seconds as milliseconds with leading spaces."""
211
# some benchmarks can take thousands of seconds to run, so we need 8
213
return "%8dms" % (1000 * seconds)
215
def _shortened_test_description(self, test):
217
what = re.sub(r'^bzrlib\.(tests|benchmarks)\.', '', what)
220
def startTest(self, test):
221
unittest.TestResult.startTest(self, test)
224
self.report_test_start(test)
225
test.number = self.count
226
self._recordTestStartTime()
228
def startTests(self):
230
if getattr(sys, 'frozen', None) is None:
231
bzr_path = osutils.realpath(sys.argv[0])
233
bzr_path = sys.executable
235
'testing: %s\n' % (bzr_path,))
238
bzrlib.__path__[0],))
240
' bzr-%s python-%s %s\n' % (
241
bzrlib.version_string,
242
bzrlib._format_version_tuple(sys.version_info),
243
platform.platform(aliased=1),
245
self.stream.write('\n')
247
def _recordTestStartTime(self):
248
"""Record that a test has started."""
249
self._start_time = time.time()
251
def _cleanupLogFile(self, test):
252
# We can only do this if we have one of our TestCases, not if
254
setKeepLogfile = getattr(test, 'setKeepLogfile', None)
255
if setKeepLogfile is not None:
258
def addError(self, test, err):
259
"""Tell result that test finished with an error.
261
Called from the TestCase run() method when the test
262
fails with an unexpected error.
264
self._testConcluded(test)
265
if isinstance(err[1], TestNotApplicable):
266
return self._addNotApplicable(test, err)
267
elif isinstance(err[1], UnavailableFeature):
268
return self.addNotSupported(test, err[1].args[0])
270
unittest.TestResult.addError(self, test, err)
271
self.error_count += 1
272
self.report_error(test, err)
275
self._cleanupLogFile(test)
277
def addFailure(self, test, err):
278
"""Tell result that test failed.
280
Called from the TestCase run() method when the test
281
fails because e.g. an assert() method failed.
283
self._testConcluded(test)
284
if isinstance(err[1], KnownFailure):
285
return self._addKnownFailure(test, err)
287
unittest.TestResult.addFailure(self, test, err)
288
self.failure_count += 1
289
self.report_failure(test, err)
292
self._cleanupLogFile(test)
294
def addSuccess(self, test):
295
"""Tell result that test completed successfully.
297
Called from the TestCase run()
299
self._testConcluded(test)
300
if self._bench_history is not None:
301
benchmark_time = self._extractBenchmarkTime(test)
302
if benchmark_time is not None:
303
self._bench_history.write("%s %s\n" % (
304
self._formatTime(benchmark_time),
306
self.report_success(test)
307
self._cleanupLogFile(test)
308
unittest.TestResult.addSuccess(self, test)
309
test._log_contents = ''
311
def _testConcluded(self, test):
312
"""Common code when a test has finished.
314
Called regardless of whether it succeded, failed, etc.
318
def _addKnownFailure(self, test, err):
319
self.known_failure_count += 1
320
self.report_known_failure(test, err)
322
def addNotSupported(self, test, feature):
323
"""The test will not be run because of a missing feature.
325
# this can be called in two different ways: it may be that the
326
# test started running, and then raised (through addError)
327
# UnavailableFeature. Alternatively this method can be called
328
# while probing for features before running the tests; in that
329
# case we will see startTest and stopTest, but the test will never
331
self.unsupported.setdefault(str(feature), 0)
332
self.unsupported[str(feature)] += 1
333
self.report_unsupported(test, feature)
335
def addSkip(self, test, reason):
336
"""A test has not run for 'reason'."""
338
self.report_skip(test, reason)
340
def _addNotApplicable(self, test, skip_excinfo):
341
if isinstance(skip_excinfo[1], TestNotApplicable):
342
self.not_applicable_count += 1
343
self.report_not_applicable(test, skip_excinfo)
346
except KeyboardInterrupt:
349
self.addError(test, test.exc_info())
351
# seems best to treat this as success from point-of-view of unittest
352
# -- it actually does nothing so it barely matters :)
353
unittest.TestResult.addSuccess(self, test)
354
test._log_contents = ''
356
def printErrorList(self, flavour, errors):
357
for test, err in errors:
358
self.stream.writeln(self.separator1)
359
self.stream.write("%s: " % flavour)
360
self.stream.writeln(self.getDescription(test))
361
if getattr(test, '_get_log', None) is not None:
362
log_contents = test._get_log()
364
self.stream.write('\n')
366
('vvvv[log from %s]' % test.id()).ljust(78,'-'))
367
self.stream.write('\n')
368
self.stream.write(log_contents)
369
self.stream.write('\n')
371
('^^^^[log from %s]' % test.id()).ljust(78,'-'))
372
self.stream.write('\n')
373
self.stream.writeln(self.separator2)
374
self.stream.writeln("%s" % err)
376
def progress(self, offset, whence):
377
"""The test is adjusting the count of tests to run."""
378
if whence == SUBUNIT_SEEK_SET:
379
self.num_tests = offset
380
elif whence == SUBUNIT_SEEK_CUR:
381
self.num_tests += offset
383
raise errors.BzrError("Unknown whence %r" % whence)
388
def report_cleaning_up(self):
391
def report_success(self, test):
394
def wasStrictlySuccessful(self):
395
if self.unsupported or self.known_failure_count:
397
return self.wasSuccessful()
400
class TextTestResult(ExtendedTestResult):
401
"""Displays progress and results of tests in text form"""
403
def __init__(self, stream, descriptions, verbosity,
408
ExtendedTestResult.__init__(self, stream, descriptions, verbosity,
409
bench_history, strict)
410
# We no longer pass them around, but just rely on the UIFactory stack
413
warnings.warn("Passing pb to TextTestResult is deprecated")
414
self.pb = self.ui.nested_progress_bar()
415
self.pb.show_pct = False
416
self.pb.show_spinner = False
417
self.pb.show_eta = False,
418
self.pb.show_count = False
419
self.pb.show_bar = False
420
self.pb.update_latency = 0
421
self.pb.show_transport_activity = False
424
# called when the tests that are going to run have run
426
super(TextTestResult, self).done()
431
def report_starting(self):
432
self.pb.update('[test 0/%d] Starting' % (self.num_tests))
434
def printErrors(self):
435
# clear the pb to make room for the error listing
437
super(TextTestResult, self).printErrors()
439
def _progress_prefix_text(self):
440
# the longer this text, the less space we have to show the test
442
a = '[%d' % self.count # total that have been run
443
# tests skipped as known not to be relevant are not important enough
445
## if self.skip_count:
446
## a += ', %d skip' % self.skip_count
447
## if self.known_failure_count:
448
## a += '+%dX' % self.known_failure_count
450
a +='/%d' % self.num_tests
452
runtime = time.time() - self._overall_start_time
454
a += '%dm%ds' % (runtime / 60, runtime % 60)
458
a += ', %d err' % self.error_count
459
if self.failure_count:
460
a += ', %d fail' % self.failure_count
462
a += ', %d missing' % len(self.unsupported)
466
def report_test_start(self, test):
469
self._progress_prefix_text()
471
+ self._shortened_test_description(test))
473
def _test_description(self, test):
474
return self._shortened_test_description(test)
476
def report_error(self, test, err):
477
self.pb.note('ERROR: %s\n %s\n',
478
self._test_description(test),
482
def report_failure(self, test, err):
483
self.pb.note('FAIL: %s\n %s\n',
484
self._test_description(test),
488
def report_known_failure(self, test, err):
489
self.pb.note('XFAIL: %s\n%s\n',
490
self._test_description(test), err[1])
492
def report_skip(self, test, reason):
495
def report_not_applicable(self, test, skip_excinfo):
498
def report_unsupported(self, test, feature):
499
"""test cannot be run because feature is missing."""
501
def report_cleaning_up(self):
502
self.pb.update('Cleaning up')
505
class VerboseTestResult(ExtendedTestResult):
506
"""Produce long output, with one line per test run plus times"""
508
def _ellipsize_to_right(self, a_string, final_width):
509
"""Truncate and pad a string, keeping the right hand side"""
510
if len(a_string) > final_width:
511
result = '...' + a_string[3-final_width:]
514
return result.ljust(final_width)
516
def report_starting(self):
517
self.stream.write('running %d tests...\n' % self.num_tests)
519
def report_test_start(self, test):
521
name = self._shortened_test_description(test)
522
# width needs space for 6 char status, plus 1 for slash, plus an
523
# 11-char time string, plus a trailing blank
524
# when NUMBERED_DIRS: plus 5 chars on test number, plus 1 char on space
525
self.stream.write(self._ellipsize_to_right(name,
526
osutils.terminal_width()-18))
529
def _error_summary(self, err):
531
return '%s%s' % (indent, err[1])
533
def report_error(self, test, err):
534
self.stream.writeln('ERROR %s\n%s'
535
% (self._testTimeString(test),
536
self._error_summary(err)))
538
def report_failure(self, test, err):
539
self.stream.writeln(' FAIL %s\n%s'
540
% (self._testTimeString(test),
541
self._error_summary(err)))
543
def report_known_failure(self, test, err):
544
self.stream.writeln('XFAIL %s\n%s'
545
% (self._testTimeString(test),
546
self._error_summary(err)))
548
def report_success(self, test):
549
self.stream.writeln(' OK %s' % self._testTimeString(test))
550
for bench_called, stats in getattr(test, '_benchcalls', []):
551
self.stream.writeln('LSProf output for %s(%s, %s)' % bench_called)
552
stats.pprint(file=self.stream)
553
# flush the stream so that we get smooth output. This verbose mode is
554
# used to show the output in PQM.
557
def report_skip(self, test, reason):
558
self.stream.writeln(' SKIP %s\n%s'
559
% (self._testTimeString(test), reason))
561
def report_not_applicable(self, test, skip_excinfo):
562
self.stream.writeln(' N/A %s\n%s'
563
% (self._testTimeString(test),
564
self._error_summary(skip_excinfo)))
566
def report_unsupported(self, test, feature):
567
"""test cannot be run because feature is missing."""
568
self.stream.writeln("NODEP %s\n The feature '%s' is not available."
569
%(self._testTimeString(test), feature))
572
class TextTestRunner(object):
573
stop_on_failure = False
582
result_decorators=None,
584
"""Create a TextTestRunner.
586
:param result_decorators: An optional list of decorators to apply
587
to the result object being used by the runner. Decorators are
588
applied left to right - the first element in the list is the
591
self.stream = unittest._WritelnDecorator(stream)
592
self.descriptions = descriptions
593
self.verbosity = verbosity
594
self._bench_history = bench_history
595
self.list_only = list_only
596
self._strict = strict
597
self._result_decorators = result_decorators or []
600
"Run the given test case or test suite."
601
startTime = time.time()
602
if self.verbosity == 1:
603
result_class = TextTestResult
604
elif self.verbosity >= 2:
605
result_class = VerboseTestResult
606
result = result_class(self.stream,
609
bench_history=self._bench_history,
613
for decorator in self._result_decorators:
614
run_result = decorator(run_result)
615
result.stop_early = self.stop_on_failure
616
result.report_starting()
618
if self.verbosity >= 2:
619
self.stream.writeln("Listing tests only ...\n")
621
for t in iter_suite_tests(test):
622
self.stream.writeln("%s" % (t.id()))
631
if isinstance(test, testtools.ConcurrentTestSuite):
632
# We need to catch bzr specific behaviors
633
test.run(BZRTransformingResult(run_result))
636
run = result.testsRun
638
stopTime = time.time()
639
timeTaken = stopTime - startTime
641
self.stream.writeln(result.separator2)
642
self.stream.writeln("%s %d test%s in %.3fs" % (actionTaken,
643
run, run != 1 and "s" or "", timeTaken))
644
self.stream.writeln()
645
if not result.wasSuccessful():
646
self.stream.write("FAILED (")
647
failed, errored = map(len, (result.failures, result.errors))
649
self.stream.write("failures=%d" % failed)
651
if failed: self.stream.write(", ")
652
self.stream.write("errors=%d" % errored)
653
if result.known_failure_count:
654
if failed or errored: self.stream.write(", ")
655
self.stream.write("known_failure_count=%d" %
656
result.known_failure_count)
657
self.stream.writeln(")")
659
if result.known_failure_count:
660
self.stream.writeln("OK (known_failures=%d)" %
661
result.known_failure_count)
663
self.stream.writeln("OK")
664
if result.skip_count > 0:
665
skipped = result.skip_count
666
self.stream.writeln('%d test%s skipped' %
667
(skipped, skipped != 1 and "s" or ""))
668
if result.unsupported:
669
for feature, count in sorted(result.unsupported.items()):
670
self.stream.writeln("Missing feature '%s' skipped %d tests." %
676
def iter_suite_tests(suite):
677
"""Return all tests in a suite, recursing through nested suites"""
678
if isinstance(suite, unittest.TestCase):
680
elif isinstance(suite, unittest.TestSuite):
682
for r in iter_suite_tests(item):
685
raise Exception('unknown type %r for object %r'
686
% (type(suite), suite))
689
class TestSkipped(Exception):
690
"""Indicates that a test was intentionally skipped, rather than failing."""
693
class TestNotApplicable(TestSkipped):
694
"""A test is not applicable to the situation where it was run.
696
This is only normally raised by parameterized tests, if they find that
697
the instance they're constructed upon does not support one aspect
702
class KnownFailure(AssertionError):
703
"""Indicates that a test failed in a precisely expected manner.
705
Such failures dont block the whole test suite from passing because they are
706
indicators of partially completed code or of future work. We have an
707
explicit error for them so that we can ensure that they are always visible:
708
KnownFailures are always shown in the output of bzr selftest.
712
class UnavailableFeature(Exception):
713
"""A feature required for this test was not available.
715
The feature should be used to construct the exception.
719
class CommandFailed(Exception):
723
class StringIOWrapper(object):
724
"""A wrapper around cStringIO which just adds an encoding attribute.
726
Internally we can check sys.stdout to see what the output encoding
727
should be. However, cStringIO has no encoding attribute that we can
728
set. So we wrap it instead.
733
def __init__(self, s=None):
735
self.__dict__['_cstring'] = StringIO(s)
737
self.__dict__['_cstring'] = StringIO()
739
def __getattr__(self, name, getattr=getattr):
740
return getattr(self.__dict__['_cstring'], name)
742
def __setattr__(self, name, val):
743
if name == 'encoding':
744
self.__dict__['encoding'] = val
746
return setattr(self._cstring, name, val)
749
class TestUIFactory(TextUIFactory):
750
"""A UI Factory for testing.
752
Hide the progress bar but emit note()s.
754
Allows get_password to be tested without real tty attached.
756
See also CannedInputUIFactory which lets you provide programmatic input in
759
# TODO: Capture progress events at the model level and allow them to be
760
# observed by tests that care.
762
# XXX: Should probably unify more with CannedInputUIFactory or a
763
# particular configuration of TextUIFactory, or otherwise have a clearer
764
# idea of how they're supposed to be different.
765
# See https://bugs.edge.launchpad.net/bzr/+bug/408213
767
def __init__(self, stdout=None, stderr=None, stdin=None):
768
if stdin is not None:
769
# We use a StringIOWrapper to be able to test various
770
# encodings, but the user is still responsible to
771
# encode the string and to set the encoding attribute
772
# of StringIOWrapper.
773
stdin = StringIOWrapper(stdin)
774
super(TestUIFactory, self).__init__(stdin, stdout, stderr)
776
def get_non_echoed_password(self):
777
"""Get password from stdin without trying to handle the echo mode"""
778
password = self.stdin.readline()
781
if password[-1] == '\n':
782
password = password[:-1]
785
def make_progress_view(self):
786
return NullProgressView()
789
class TestCase(unittest.TestCase):
790
"""Base class for bzr unit tests.
792
Tests that need access to disk resources should subclass
793
TestCaseInTempDir not TestCase.
795
Error and debug log messages are redirected from their usual
796
location into a temporary file, the contents of which can be
797
retrieved by _get_log(). We use a real OS file, not an in-memory object,
798
so that it can also capture file IO. When the test completes this file
799
is read into memory and removed from disk.
801
There are also convenience functions to invoke bzr's command-line
802
routine, and to build and check bzr trees.
804
In addition to the usual method of overriding tearDown(), this class also
805
allows subclasses to register functions into the _cleanups list, which is
806
run in order as the object is torn down. It's less likely this will be
807
accidentally overlooked.
810
_active_threads = None
811
_leaking_threads_tests = 0
812
_first_thread_leaker_id = None
813
_log_file_name = None
815
_keep_log_file = False
816
# record lsprof data when performing benchmark calls.
817
_gather_lsprof_in_benchmarks = False
818
attrs_to_keep = ('id', '_testMethodName', '_testMethodDoc',
819
'_log_contents', '_log_file_name', '_benchtime',
820
'_TestCase__testMethodName', '_TestCase__testMethodDoc',)
822
def __init__(self, methodName='testMethod'):
823
super(TestCase, self).__init__(methodName)
825
self._bzr_test_setUp_run = False
826
self._bzr_test_tearDown_run = False
829
unittest.TestCase.setUp(self)
830
self._bzr_test_setUp_run = True
831
self._cleanEnvironment()
834
self._benchcalls = []
835
self._benchtime = None
838
self._clear_debug_flags()
839
TestCase._active_threads = threading.activeCount()
840
self.addCleanup(self._check_leaked_threads)
845
pdb.Pdb().set_trace(sys._getframe().f_back)
847
def _check_leaked_threads(self):
848
active = threading.activeCount()
849
leaked_threads = active - TestCase._active_threads
850
TestCase._active_threads = active
852
TestCase._leaking_threads_tests += 1
853
if TestCase._first_thread_leaker_id is None:
854
TestCase._first_thread_leaker_id = self.id()
856
def _clear_debug_flags(self):
857
"""Prevent externally set debug flags affecting tests.
859
Tests that want to use debug flags can just set them in the
860
debug_flags set during setup/teardown.
862
self._preserved_debug_flags = set(debug.debug_flags)
863
if 'allow_debug' not in selftest_debug_flags:
864
debug.debug_flags.clear()
865
if 'disable_lock_checks' not in selftest_debug_flags:
866
debug.debug_flags.add('strict_locks')
867
self.addCleanup(self._restore_debug_flags)
869
def _clear_hooks(self):
870
# prevent hooks affecting tests
871
self._preserved_hooks = {}
872
for key, factory in hooks.known_hooks.items():
873
parent, name = hooks.known_hooks_key_to_parent_and_attribute(key)
874
current_hooks = hooks.known_hooks_key_to_object(key)
875
self._preserved_hooks[parent] = (name, current_hooks)
876
self.addCleanup(self._restoreHooks)
877
for key, factory in hooks.known_hooks.items():
878
parent, name = hooks.known_hooks_key_to_parent_and_attribute(key)
879
setattr(parent, name, factory())
880
# this hook should always be installed
881
request._install_hook()
883
def _silenceUI(self):
884
"""Turn off UI for duration of test"""
885
# by default the UI is off; tests can turn it on if they want it.
886
saved = ui.ui_factory
888
ui.ui_factory = saved
889
ui.ui_factory = ui.SilentUIFactory()
890
self.addCleanup(_restore)
892
def _check_locks(self):
893
"""Check that all lock take/release actions have been paired."""
894
# We always check for mismatched locks. If a mismatch is found, we
895
# fail unless -Edisable_lock_checks is supplied to selftest, in which
896
# case we just print a warning.
898
acquired_locks = [lock for action, lock in self._lock_actions
899
if action == 'acquired']
900
released_locks = [lock for action, lock in self._lock_actions
901
if action == 'released']
902
broken_locks = [lock for action, lock in self._lock_actions
903
if action == 'broken']
904
# trivially, given the tests for lock acquistion and release, if we
905
# have as many in each list, it should be ok. Some lock tests also
906
# break some locks on purpose and should be taken into account by
907
# considering that breaking a lock is just a dirty way of releasing it.
908
if len(acquired_locks) != (len(released_locks) + len(broken_locks)):
909
message = ('Different number of acquired and '
910
'released or broken locks. (%s, %s + %s)' %
911
(acquired_locks, released_locks, broken_locks))
912
if not self._lock_check_thorough:
913
# Rather than fail, just warn
914
print "Broken test %s: %s" % (self, message)
918
def _track_locks(self):
919
"""Track lock activity during tests."""
920
self._lock_actions = []
921
if 'disable_lock_checks' in selftest_debug_flags:
922
self._lock_check_thorough = False
924
self._lock_check_thorough = True
926
self.addCleanup(self._check_locks)
927
_mod_lock.Lock.hooks.install_named_hook('lock_acquired',
928
self._lock_acquired, None)
929
_mod_lock.Lock.hooks.install_named_hook('lock_released',
930
self._lock_released, None)
931
_mod_lock.Lock.hooks.install_named_hook('lock_broken',
932
self._lock_broken, None)
934
def _lock_acquired(self, result):
935
self._lock_actions.append(('acquired', result))
937
def _lock_released(self, result):
938
self._lock_actions.append(('released', result))
940
def _lock_broken(self, result):
941
self._lock_actions.append(('broken', result))
943
def _ndiff_strings(self, a, b):
944
"""Return ndiff between two strings containing lines.
946
A trailing newline is added if missing to make the strings
948
if b and b[-1] != '\n':
950
if a and a[-1] != '\n':
952
difflines = difflib.ndiff(a.splitlines(True),
954
linejunk=lambda x: False,
955
charjunk=lambda x: False)
956
return ''.join(difflines)
958
def assertEqual(self, a, b, message=''):
962
except UnicodeError, e:
963
# If we can't compare without getting a UnicodeError, then
964
# obviously they are different
965
mutter('UnicodeError: %s', e)
968
raise AssertionError("%snot equal:\na = %s\nb = %s\n"
970
pformat(a), pformat(b)))
972
assertEquals = assertEqual
974
def assertEqualDiff(self, a, b, message=None):
975
"""Assert two texts are equal, if not raise an exception.
977
This is intended for use with multi-line strings where it can
978
be hard to find the differences by eye.
980
# TODO: perhaps override assertEquals to call this for strings?
984
message = "texts not equal:\n"
986
message = 'first string is missing a final newline.\n'
988
message = 'second string is missing a final newline.\n'
989
raise AssertionError(message +
990
self._ndiff_strings(a, b))
992
def assertEqualMode(self, mode, mode_test):
993
self.assertEqual(mode, mode_test,
994
'mode mismatch %o != %o' % (mode, mode_test))
996
def assertEqualStat(self, expected, actual):
997
"""assert that expected and actual are the same stat result.
999
:param expected: A stat result.
1000
:param actual: A stat result.
1001
:raises AssertionError: If the expected and actual stat values differ
1002
other than by atime.
1004
self.assertEqual(expected.st_size, actual.st_size)
1005
self.assertEqual(expected.st_mtime, actual.st_mtime)
1006
self.assertEqual(expected.st_ctime, actual.st_ctime)
1007
self.assertEqual(expected.st_dev, actual.st_dev)
1008
self.assertEqual(expected.st_ino, actual.st_ino)
1009
self.assertEqual(expected.st_mode, actual.st_mode)
1011
def assertLength(self, length, obj_with_len):
1012
"""Assert that obj_with_len is of length length."""
1013
if len(obj_with_len) != length:
1014
self.fail("Incorrect length: wanted %d, got %d for %r" % (
1015
length, len(obj_with_len), obj_with_len))
1017
def assertPositive(self, val):
1018
"""Assert that val is greater than 0."""
1019
self.assertTrue(val > 0, 'expected a positive value, but got %s' % val)
1021
def assertNegative(self, val):
1022
"""Assert that val is less than 0."""
1023
self.assertTrue(val < 0, 'expected a negative value, but got %s' % val)
1025
def assertStartsWith(self, s, prefix):
1026
if not s.startswith(prefix):
1027
raise AssertionError('string %r does not start with %r' % (s, prefix))
1029
def assertEndsWith(self, s, suffix):
1030
"""Asserts that s ends with suffix."""
1031
if not s.endswith(suffix):
1032
raise AssertionError('string %r does not end with %r' % (s, suffix))
1034
def assertContainsRe(self, haystack, needle_re, flags=0):
1035
"""Assert that a contains something matching a regular expression."""
1036
if not re.search(needle_re, haystack, flags):
1037
if '\n' in haystack or len(haystack) > 60:
1038
# a long string, format it in a more readable way
1039
raise AssertionError(
1040
'pattern "%s" not found in\n"""\\\n%s"""\n'
1041
% (needle_re, haystack))
1043
raise AssertionError('pattern "%s" not found in "%s"'
1044
% (needle_re, haystack))
1046
def assertNotContainsRe(self, haystack, needle_re, flags=0):
1047
"""Assert that a does not match a regular expression"""
1048
if re.search(needle_re, haystack, flags):
1049
raise AssertionError('pattern "%s" found in "%s"'
1050
% (needle_re, haystack))
1052
def assertSubset(self, sublist, superlist):
1053
"""Assert that every entry in sublist is present in superlist."""
1054
missing = set(sublist) - set(superlist)
1055
if len(missing) > 0:
1056
raise AssertionError("value(s) %r not present in container %r" %
1057
(missing, superlist))
1059
def assertListRaises(self, excClass, func, *args, **kwargs):
1060
"""Fail unless excClass is raised when the iterator from func is used.
1062
Many functions can return generators this makes sure
1063
to wrap them in a list() call to make sure the whole generator
1064
is run, and that the proper exception is raised.
1067
list(func(*args, **kwargs))
1071
if getattr(excClass,'__name__', None) is not None:
1072
excName = excClass.__name__
1074
excName = str(excClass)
1075
raise self.failureException, "%s not raised" % excName
1077
def assertRaises(self, excClass, callableObj, *args, **kwargs):
1078
"""Assert that a callable raises a particular exception.
1080
:param excClass: As for the except statement, this may be either an
1081
exception class, or a tuple of classes.
1082
:param callableObj: A callable, will be passed ``*args`` and
1085
Returns the exception so that you can examine it.
1088
callableObj(*args, **kwargs)
1092
if getattr(excClass,'__name__', None) is not None:
1093
excName = excClass.__name__
1096
excName = str(excClass)
1097
raise self.failureException, "%s not raised" % excName
1099
def assertIs(self, left, right, message=None):
1100
if not (left is right):
1101
if message is not None:
1102
raise AssertionError(message)
1104
raise AssertionError("%r is not %r." % (left, right))
1106
def assertIsNot(self, left, right, message=None):
1108
if message is not None:
1109
raise AssertionError(message)
1111
raise AssertionError("%r is %r." % (left, right))
1113
def assertTransportMode(self, transport, path, mode):
1114
"""Fail if a path does not have mode "mode".
1116
If modes are not supported on this transport, the assertion is ignored.
1118
if not transport._can_roundtrip_unix_modebits():
1120
path_stat = transport.stat(path)
1121
actual_mode = stat.S_IMODE(path_stat.st_mode)
1122
self.assertEqual(mode, actual_mode,
1123
'mode of %r incorrect (%s != %s)'
1124
% (path, oct(mode), oct(actual_mode)))
1126
def assertIsSameRealPath(self, path1, path2):
1127
"""Fail if path1 and path2 points to different files"""
1128
self.assertEqual(osutils.realpath(path1),
1129
osutils.realpath(path2),
1130
"apparent paths:\na = %s\nb = %s\n," % (path1, path2))
1132
def assertIsInstance(self, obj, kls, msg=None):
1133
"""Fail if obj is not an instance of kls
32
def selftest(verbose=False):
33
from unittest import TestLoader, TestSuite
34
import bzrlib, bzrlib.store, bzrlib.inventory, bzrlib.branch
35
import bzrlib.osutils, bzrlib.commands, bzrlib.merge3, bzrlib.plugin
36
from doctest import DocTestSuite
43
global MODULES_TO_TEST, MODULES_TO_DOCTEST
46
['bzrlib.selftest.whitebox',
47
'bzrlib.selftest.versioning',
48
'bzrlib.selftest.testinv',
49
'bzrlib.selftest.testmerge3',
50
'bzrlib.selftest.testhashcache',
51
'bzrlib.selftest.teststatus',
52
'bzrlib.selftest.testlog',
53
'bzrlib.selftest.blackbox',
54
'bzrlib.selftest.testrevisionnamespaces',
55
'bzrlib.selftest.testbranch',
56
'bzrlib.selftest.testrevision',
58
'bzrlib.selftest.testdiff',
1135
:param msg: Supplementary message to show if the assertion fails.
1137
if not isinstance(obj, kls):
1138
m = "%r is an instance of %s rather than %s" % (
1139
obj, obj.__class__, kls)
1144
def expectFailure(self, reason, assertion, *args, **kwargs):
1145
"""Invoke a test, expecting it to fail for the given reason.
1147
This is for assertions that ought to succeed, but currently fail.
1148
(The failure is *expected* but not *wanted*.) Please be very precise
1149
about the failure you're expecting. If a new bug is introduced,
1150
AssertionError should be raised, not KnownFailure.
1152
Frequently, expectFailure should be followed by an opposite assertion.
1155
Intended to be used with a callable that raises AssertionError as the
1156
'assertion' parameter. args and kwargs are passed to the 'assertion'.
1158
Raises KnownFailure if the test fails. Raises AssertionError if the
1163
self.expectFailure('Math is broken', self.assertNotEqual, 54,
1165
self.assertEqual(42, dynamic_val)
1167
This means that a dynamic_val of 54 will cause the test to raise
1168
a KnownFailure. Once math is fixed and the expectFailure is removed,
1169
only a dynamic_val of 42 will allow the test to pass. Anything other
1170
than 54 or 42 will cause an AssertionError.
1173
assertion(*args, **kwargs)
1174
except AssertionError:
1175
raise KnownFailure(reason)
1177
self.fail('Unexpected success. Should have failed: %s' % reason)
1179
def assertFileEqual(self, content, path):
1180
"""Fail if path does not contain 'content'."""
1181
self.failUnlessExists(path)
1182
f = file(path, 'rb')
1187
self.assertEqualDiff(content, s)
1189
def failUnlessExists(self, path):
1190
"""Fail unless path or paths, which may be abs or relative, exist."""
1191
if not isinstance(path, basestring):
1193
self.failUnlessExists(p)
1195
self.failUnless(osutils.lexists(path),path+" does not exist")
1197
def failIfExists(self, path):
1198
"""Fail if path or paths, which may be abs or relative, exist."""
1199
if not isinstance(path, basestring):
1201
self.failIfExists(p)
1203
self.failIf(osutils.lexists(path),path+" exists")
1205
def _capture_deprecation_warnings(self, a_callable, *args, **kwargs):
1206
"""A helper for callDeprecated and applyDeprecated.
1208
:param a_callable: A callable to call.
1209
:param args: The positional arguments for the callable
1210
:param kwargs: The keyword arguments for the callable
1211
:return: A tuple (warnings, result). result is the result of calling
1212
a_callable(``*args``, ``**kwargs``).
1215
def capture_warnings(msg, cls=None, stacklevel=None):
1216
# we've hooked into a deprecation specific callpath,
1217
# only deprecations should getting sent via it.
1218
self.assertEqual(cls, DeprecationWarning)
1219
local_warnings.append(msg)
1220
original_warning_method = symbol_versioning.warn
1221
symbol_versioning.set_warning_method(capture_warnings)
1223
result = a_callable(*args, **kwargs)
1225
symbol_versioning.set_warning_method(original_warning_method)
1226
return (local_warnings, result)
1228
def applyDeprecated(self, deprecation_format, a_callable, *args, **kwargs):
1229
"""Call a deprecated callable without warning the user.
1231
Note that this only captures warnings raised by symbol_versioning.warn,
1232
not other callers that go direct to the warning module.
1234
To test that a deprecated method raises an error, do something like
1237
self.assertRaises(errors.ReservedId,
1238
self.applyDeprecated,
1239
deprecated_in((1, 5, 0)),
1243
:param deprecation_format: The deprecation format that the callable
1244
should have been deprecated with. This is the same type as the
1245
parameter to deprecated_method/deprecated_function. If the
1246
callable is not deprecated with this format, an assertion error
1248
:param a_callable: A callable to call. This may be a bound method or
1249
a regular function. It will be called with ``*args`` and
1251
:param args: The positional arguments for the callable
1252
:param kwargs: The keyword arguments for the callable
1253
:return: The result of a_callable(``*args``, ``**kwargs``)
1255
call_warnings, result = self._capture_deprecation_warnings(a_callable,
1257
expected_first_warning = symbol_versioning.deprecation_string(
1258
a_callable, deprecation_format)
1259
if len(call_warnings) == 0:
1260
self.fail("No deprecation warning generated by call to %s" %
1262
self.assertEqual(expected_first_warning, call_warnings[0])
1265
def callCatchWarnings(self, fn, *args, **kw):
1266
"""Call a callable that raises python warnings.
1268
The caller's responsible for examining the returned warnings.
1270
If the callable raises an exception, the exception is not
1271
caught and propagates up to the caller. In that case, the list
1272
of warnings is not available.
1274
:returns: ([warning_object, ...], fn_result)
1276
# XXX: This is not perfect, because it completely overrides the
1277
# warnings filters, and some code may depend on suppressing particular
1278
# warnings. It's the easiest way to insulate ourselves from -Werror,
1279
# though. -- Andrew, 20071062
1281
def _catcher(message, category, filename, lineno, file=None, line=None):
1282
# despite the name, 'message' is normally(?) a Warning subclass
1284
wlist.append(message)
1285
saved_showwarning = warnings.showwarning
1286
saved_filters = warnings.filters
1288
warnings.showwarning = _catcher
1289
warnings.filters = []
1290
result = fn(*args, **kw)
1292
warnings.showwarning = saved_showwarning
1293
warnings.filters = saved_filters
1294
return wlist, result
1296
def callDeprecated(self, expected, callable, *args, **kwargs):
1297
"""Assert that a callable is deprecated in a particular way.
1299
This is a very precise test for unusual requirements. The
1300
applyDeprecated helper function is probably more suited for most tests
1301
as it allows you to simply specify the deprecation format being used
1302
and will ensure that that is issued for the function being called.
1304
Note that this only captures warnings raised by symbol_versioning.warn,
1305
not other callers that go direct to the warning module. To catch
1306
general warnings, use callCatchWarnings.
1308
:param expected: a list of the deprecation warnings expected, in order
1309
:param callable: The callable to call
1310
:param args: The positional arguments for the callable
1311
:param kwargs: The keyword arguments for the callable
1313
call_warnings, result = self._capture_deprecation_warnings(callable,
1315
self.assertEqual(expected, call_warnings)
1318
def _startLogFile(self):
1319
"""Send bzr and test log messages to a temporary file.
1321
The file is removed as the test is torn down.
1323
fileno, name = tempfile.mkstemp(suffix='.log', prefix='testbzr')
1324
self._log_file = os.fdopen(fileno, 'w+')
1325
self._log_memento = bzrlib.trace.push_log_file(self._log_file)
1326
self._log_file_name = name
1327
self.addCleanup(self._finishLogFile)
1329
def _finishLogFile(self):
1330
"""Finished with the log file.
1332
Close the file and delete it, unless setKeepLogfile was called.
1334
if self._log_file is None:
1336
bzrlib.trace.pop_log_file(self._log_memento)
1337
self._log_file.close()
1338
self._log_file = None
1339
if not self._keep_log_file:
1340
os.remove(self._log_file_name)
1341
self._log_file_name = None
1343
def setKeepLogfile(self):
1344
"""Make the logfile not be deleted when _finishLogFile is called."""
1345
self._keep_log_file = True
1347
def thisFailsStrictLockCheck(self):
1348
"""It is known that this test would fail with -Dstrict_locks.
1350
By default, all tests are run with strict lock checking unless
1351
-Edisable_lock_checks is supplied. However there are some tests which
1352
we know fail strict locks at this point that have not been fixed.
1353
They should call this function to disable the strict checking.
1355
This should be used sparingly, it is much better to fix the locking
1356
issues rather than papering over the problem by calling this function.
1358
debug.debug_flags.discard('strict_locks')
1360
def addCleanup(self, callable, *args, **kwargs):
1361
"""Arrange to run a callable when this case is torn down.
1363
Callables are run in the reverse of the order they are registered,
1364
ie last-in first-out.
1366
self._cleanups.append((callable, args, kwargs))
1368
def _cleanEnvironment(self):
1370
'BZR_HOME': None, # Don't inherit BZR_HOME to all the tests.
1371
'HOME': os.getcwd(),
1372
# bzr now uses the Win32 API and doesn't rely on APPDATA, but the
1373
# tests do check our impls match APPDATA
1374
'BZR_EDITOR': None, # test_msgeditor manipulates this variable
1378
'BZREMAIL': None, # may still be present in the environment
1380
'BZR_PROGRESS_BAR': None,
1382
'BZR_PLUGIN_PATH': None,
1383
# Make sure that any text ui tests are consistent regardless of
1384
# the environment the test case is run in; you may want tests that
1385
# test other combinations. 'dumb' is a reasonable guess for tests
1386
# going to a pipe or a StringIO.
1391
'SSH_AUTH_SOCK': None,
1395
'https_proxy': None,
1396
'HTTPS_PROXY': None,
1401
# Nobody cares about ftp_proxy, FTP_PROXY AFAIK. So far at
1402
# least. If you do (care), please update this comment
1406
'BZR_REMOTE_PATH': None,
1409
self.addCleanup(self._restoreEnvironment)
1410
for name, value in new_env.iteritems():
1411
self._captureVar(name, value)
1413
def _captureVar(self, name, newvalue):
1414
"""Set an environment variable, and reset it when finished."""
1415
self.__old_env[name] = osutils.set_or_unset_env(name, newvalue)
1417
def _restore_debug_flags(self):
1418
debug.debug_flags.clear()
1419
debug.debug_flags.update(self._preserved_debug_flags)
1421
def _restoreEnvironment(self):
1422
for name, value in self.__old_env.iteritems():
1423
osutils.set_or_unset_env(name, value)
1425
def _restoreHooks(self):
1426
for klass, (name, hooks) in self._preserved_hooks.items():
1427
setattr(klass, name, hooks)
1429
def knownFailure(self, reason):
1430
"""This test has failed for some known reason."""
1431
raise KnownFailure(reason)
1433
def _do_skip(self, result, reason):
1434
addSkip = getattr(result, 'addSkip', None)
1435
if not callable(addSkip):
1436
result.addError(self, sys.exc_info())
1438
addSkip(self, reason)
1440
def run(self, result=None):
1441
if result is None: result = self.defaultTestResult()
1442
for feature in getattr(self, '_test_needs_features', []):
1443
if not feature.available():
1444
result.startTest(self)
1445
if getattr(result, 'addNotSupported', None):
1446
result.addNotSupported(self, feature)
1448
result.addSuccess(self)
1449
result.stopTest(self)
1453
result.startTest(self)
1454
absent_attr = object()
1456
method_name = getattr(self, '_testMethodName', absent_attr)
1457
if method_name is absent_attr:
1459
method_name = getattr(self, '_TestCase__testMethodName')
1460
testMethod = getattr(self, method_name)
1464
if not self._bzr_test_setUp_run:
1466
"test setUp did not invoke "
1467
"bzrlib.tests.TestCase's setUp")
1468
except KeyboardInterrupt:
1471
except TestSkipped, e:
1472
self._do_skip(result, e.args[0])
1476
result.addError(self, sys.exc_info())
1484
except self.failureException:
1485
result.addFailure(self, sys.exc_info())
1486
except TestSkipped, e:
1488
reason = "No reason given."
1491
self._do_skip(result, reason)
1492
except KeyboardInterrupt:
1496
result.addError(self, sys.exc_info())
1500
if not self._bzr_test_tearDown_run:
1502
"test tearDown did not invoke "
1503
"bzrlib.tests.TestCase's tearDown")
1504
except KeyboardInterrupt:
1508
result.addError(self, sys.exc_info())
1511
if ok: result.addSuccess(self)
1513
result.stopTest(self)
1515
except TestNotApplicable:
1516
# Not moved from the result [yet].
1519
except KeyboardInterrupt:
1524
for attr_name in self.attrs_to_keep:
1525
if attr_name in self.__dict__:
1526
saved_attrs[attr_name] = self.__dict__[attr_name]
1527
self.__dict__ = saved_attrs
1531
self._log_contents = ''
1532
self._bzr_test_tearDown_run = True
1533
unittest.TestCase.tearDown(self)
1535
def time(self, callable, *args, **kwargs):
1536
"""Run callable and accrue the time it takes to the benchmark time.
1538
If lsprofiling is enabled (i.e. by --lsprof-time to bzr selftest) then
1539
this will cause lsprofile statistics to be gathered and stored in
1542
if self._benchtime is None:
1546
if not self._gather_lsprof_in_benchmarks:
1547
return callable(*args, **kwargs)
1549
# record this benchmark
1550
ret, stats = bzrlib.lsprof.profile(callable, *args, **kwargs)
1552
self._benchcalls.append(((callable, args, kwargs), stats))
1555
self._benchtime += time.time() - start
1557
def _runCleanups(self):
1558
"""Run registered cleanup functions.
1560
This should only be called from TestCase.tearDown.
1562
# TODO: Perhaps this should keep running cleanups even if
1563
# one of them fails?
1565
# Actually pop the cleanups from the list so tearDown running
1566
# twice is safe (this happens for skipped tests).
1567
while self._cleanups:
1568
cleanup, args, kwargs = self._cleanups.pop()
1569
cleanup(*args, **kwargs)
1571
def log(self, *args):
1574
def _get_log(self, keep_log_file=False):
1575
"""Get the log from bzrlib.trace calls from this test.
1577
:param keep_log_file: When True, if the log is still a file on disk
1578
leave it as a file on disk. When False, if the log is still a file
1579
on disk, the log file is deleted and the log preserved as
1581
:return: A string containing the log.
1583
# flush the log file, to get all content
1585
if bzrlib.trace._trace_file:
1586
bzrlib.trace._trace_file.flush()
1587
if self._log_contents:
1588
# XXX: this can hardly contain the content flushed above --vila
1590
return self._log_contents
1591
if self._log_file_name is not None:
1592
logfile = open(self._log_file_name)
1594
log_contents = logfile.read()
1597
if not keep_log_file:
1598
self._log_contents = log_contents
1600
os.remove(self._log_file_name)
1602
if sys.platform == 'win32' and e.errno == errno.EACCES:
1603
sys.stderr.write(('Unable to delete log file '
1604
' %r\n' % self._log_file_name))
1609
return "DELETED log file to reduce memory footprint"
1611
def requireFeature(self, feature):
1612
"""This test requires a specific feature is available.
1614
:raises UnavailableFeature: When feature is not available.
1616
if not feature.available():
1617
raise UnavailableFeature(feature)
1619
def _run_bzr_autosplit(self, args, retcode, encoding, stdin,
1621
"""Run bazaar command line, splitting up a string command line."""
1622
if isinstance(args, basestring):
1623
# shlex don't understand unicode strings,
1624
# so args should be plain string (bialix 20070906)
1625
args = list(shlex.split(str(args)))
1626
return self._run_bzr_core(args, retcode=retcode,
1627
encoding=encoding, stdin=stdin, working_dir=working_dir,
1630
def _run_bzr_core(self, args, retcode, encoding, stdin,
1632
if encoding is None:
1633
encoding = osutils.get_user_encoding()
1634
stdout = StringIOWrapper()
1635
stderr = StringIOWrapper()
1636
stdout.encoding = encoding
1637
stderr.encoding = encoding
1639
self.log('run bzr: %r', args)
1640
# FIXME: don't call into logging here
1641
handler = logging.StreamHandler(stderr)
1642
handler.setLevel(logging.INFO)
1643
logger = logging.getLogger('')
1644
logger.addHandler(handler)
1645
old_ui_factory = ui.ui_factory
1646
ui.ui_factory = TestUIFactory(stdin=stdin, stdout=stdout, stderr=stderr)
1649
if working_dir is not None:
1650
cwd = osutils.getcwd()
1651
os.chdir(working_dir)
1654
result = self.apply_redirected(ui.ui_factory.stdin,
1656
bzrlib.commands.run_bzr_catch_user_errors,
1659
logger.removeHandler(handler)
1660
ui.ui_factory = old_ui_factory
1664
out = stdout.getvalue()
1665
err = stderr.getvalue()
1667
self.log('output:\n%r', out)
1669
self.log('errors:\n%r', err)
1670
if retcode is not None:
1671
self.assertEquals(retcode, result,
1672
message='Unexpected return code')
1675
def run_bzr(self, args, retcode=0, encoding=None, stdin=None,
1676
working_dir=None, error_regexes=[], output_encoding=None):
1677
"""Invoke bzr, as if it were run from the command line.
1679
The argument list should not include the bzr program name - the
1680
first argument is normally the bzr command. Arguments may be
1681
passed in three ways:
1683
1- A list of strings, eg ["commit", "a"]. This is recommended
1684
when the command contains whitespace or metacharacters, or
1685
is built up at run time.
1687
2- A single string, eg "add a". This is the most convenient
1688
for hardcoded commands.
1690
This runs bzr through the interface that catches and reports
1691
errors, and with logging set to something approximating the
1692
default, so that error reporting can be checked.
1694
This should be the main method for tests that want to exercise the
1695
overall behavior of the bzr application (rather than a unit test
1696
or a functional test of the library.)
1698
This sends the stdout/stderr results into the test's log,
1699
where it may be useful for debugging. See also run_captured.
1701
:keyword stdin: A string to be used as stdin for the command.
1702
:keyword retcode: The status code the command should return;
1704
:keyword working_dir: The directory to run the command in
1705
:keyword error_regexes: A list of expected error messages. If
1706
specified they must be seen in the error output of the command.
1708
out, err = self._run_bzr_autosplit(
1713
working_dir=working_dir,
1715
self.assertIsInstance(error_regexes, (list, tuple))
1716
for regex in error_regexes:
1717
self.assertContainsRe(err, regex)
1720
def run_bzr_error(self, error_regexes, *args, **kwargs):
1721
"""Run bzr, and check that stderr contains the supplied regexes
1723
:param error_regexes: Sequence of regular expressions which
1724
must each be found in the error output. The relative ordering
1726
:param args: command-line arguments for bzr
1727
:param kwargs: Keyword arguments which are interpreted by run_bzr
1728
This function changes the default value of retcode to be 3,
1729
since in most cases this is run when you expect bzr to fail.
1731
:return: (out, err) The actual output of running the command (in case
1732
you want to do more inspection)
1736
# Make sure that commit is failing because there is nothing to do
1737
self.run_bzr_error(['no changes to commit'],
1738
['commit', '-m', 'my commit comment'])
1739
# Make sure --strict is handling an unknown file, rather than
1740
# giving us the 'nothing to do' error
1741
self.build_tree(['unknown'])
1742
self.run_bzr_error(['Commit refused because there are unknown files'],
1743
['commit', --strict', '-m', 'my commit comment'])
1745
kwargs.setdefault('retcode', 3)
1746
kwargs['error_regexes'] = error_regexes
1747
out, err = self.run_bzr(*args, **kwargs)
1750
def run_bzr_subprocess(self, *args, **kwargs):
1751
"""Run bzr in a subprocess for testing.
1753
This starts a new Python interpreter and runs bzr in there.
1754
This should only be used for tests that have a justifiable need for
1755
this isolation: e.g. they are testing startup time, or signal
1756
handling, or early startup code, etc. Subprocess code can't be
1757
profiled or debugged so easily.
1759
:keyword retcode: The status code that is expected. Defaults to 0. If
1760
None is supplied, the status code is not checked.
1761
:keyword env_changes: A dictionary which lists changes to environment
1762
variables. A value of None will unset the env variable.
1763
The values must be strings. The change will only occur in the
1764
child, so you don't need to fix the environment after running.
1765
:keyword universal_newlines: Convert CRLF => LF
1766
:keyword allow_plugins: By default the subprocess is run with
1767
--no-plugins to ensure test reproducibility. Also, it is possible
1768
for system-wide plugins to create unexpected output on stderr,
1769
which can cause unnecessary test failures.
1771
env_changes = kwargs.get('env_changes', {})
1772
working_dir = kwargs.get('working_dir', None)
1773
allow_plugins = kwargs.get('allow_plugins', False)
1775
if isinstance(args[0], list):
1777
elif isinstance(args[0], basestring):
1778
args = list(shlex.split(args[0]))
1780
raise ValueError("passing varargs to run_bzr_subprocess")
1781
process = self.start_bzr_subprocess(args, env_changes=env_changes,
1782
working_dir=working_dir,
1783
allow_plugins=allow_plugins)
1784
# We distinguish between retcode=None and retcode not passed.
1785
supplied_retcode = kwargs.get('retcode', 0)
1786
return self.finish_bzr_subprocess(process, retcode=supplied_retcode,
1787
universal_newlines=kwargs.get('universal_newlines', False),
1790
def start_bzr_subprocess(self, process_args, env_changes=None,
1791
skip_if_plan_to_signal=False,
1793
allow_plugins=False):
1794
"""Start bzr in a subprocess for testing.
1796
This starts a new Python interpreter and runs bzr in there.
1797
This should only be used for tests that have a justifiable need for
1798
this isolation: e.g. they are testing startup time, or signal
1799
handling, or early startup code, etc. Subprocess code can't be
1800
profiled or debugged so easily.
1802
:param process_args: a list of arguments to pass to the bzr executable,
1803
for example ``['--version']``.
1804
:param env_changes: A dictionary which lists changes to environment
1805
variables. A value of None will unset the env variable.
1806
The values must be strings. The change will only occur in the
1807
child, so you don't need to fix the environment after running.
1808
:param skip_if_plan_to_signal: raise TestSkipped when true and os.kill
1810
:param allow_plugins: If False (default) pass --no-plugins to bzr.
1812
:returns: Popen object for the started process.
1814
if skip_if_plan_to_signal:
1815
if not getattr(os, 'kill', None):
1816
raise TestSkipped("os.kill not available.")
1818
if env_changes is None:
1822
def cleanup_environment():
1823
for env_var, value in env_changes.iteritems():
1824
old_env[env_var] = osutils.set_or_unset_env(env_var, value)
1826
def restore_environment():
1827
for env_var, value in old_env.iteritems():
1828
osutils.set_or_unset_env(env_var, value)
1830
bzr_path = self.get_bzr_path()
1833
if working_dir is not None:
1834
cwd = osutils.getcwd()
1835
os.chdir(working_dir)
1838
# win32 subprocess doesn't support preexec_fn
1839
# so we will avoid using it on all platforms, just to
1840
# make sure the code path is used, and we don't break on win32
1841
cleanup_environment()
1842
command = [sys.executable]
1843
# frozen executables don't need the path to bzr
1844
if getattr(sys, "frozen", None) is None:
1845
command.append(bzr_path)
1846
if not allow_plugins:
1847
command.append('--no-plugins')
1848
command.extend(process_args)
1849
process = self._popen(command, stdin=PIPE, stdout=PIPE, stderr=PIPE)
1851
restore_environment()
1857
def _popen(self, *args, **kwargs):
1858
"""Place a call to Popen.
1860
Allows tests to override this method to intercept the calls made to
1861
Popen for introspection.
1863
return Popen(*args, **kwargs)
1865
def get_bzr_path(self):
1866
"""Return the path of the 'bzr' executable for this test suite."""
1867
bzr_path = os.path.dirname(os.path.dirname(bzrlib.__file__))+'/bzr'
1868
if not os.path.isfile(bzr_path):
1869
# We are probably installed. Assume sys.argv is the right file
1870
bzr_path = sys.argv[0]
1873
def finish_bzr_subprocess(self, process, retcode=0, send_signal=None,
1874
universal_newlines=False, process_args=None):
1875
"""Finish the execution of process.
1877
:param process: the Popen object returned from start_bzr_subprocess.
1878
:param retcode: The status code that is expected. Defaults to 0. If
1879
None is supplied, the status code is not checked.
1880
:param send_signal: an optional signal to send to the process.
1881
:param universal_newlines: Convert CRLF => LF
1882
:returns: (stdout, stderr)
1884
if send_signal is not None:
1885
os.kill(process.pid, send_signal)
1886
out, err = process.communicate()
1888
if universal_newlines:
1889
out = out.replace('\r\n', '\n')
1890
err = err.replace('\r\n', '\n')
1892
if retcode is not None and retcode != process.returncode:
1893
if process_args is None:
1894
process_args = "(unknown args)"
1895
mutter('Output of bzr %s:\n%s', process_args, out)
1896
mutter('Error for bzr %s:\n%s', process_args, err)
1897
self.fail('Command bzr %s failed with retcode %s != %s'
1898
% (process_args, retcode, process.returncode))
1901
def check_inventory_shape(self, inv, shape):
1902
"""Compare an inventory to a list of expected names.
1904
Fail if they are not precisely equal.
1907
shape = list(shape) # copy
1908
for path, ie in inv.entries():
1909
name = path.replace('\\', '/')
1910
if ie.kind == 'directory':
1917
self.fail("expected paths not found in inventory: %r" % shape)
1919
self.fail("unexpected paths found in inventory: %r" % extras)
1921
def apply_redirected(self, stdin=None, stdout=None, stderr=None,
1922
a_callable=None, *args, **kwargs):
1923
"""Call callable with redirected std io pipes.
1925
Returns the return code."""
1926
if not callable(a_callable):
1927
raise ValueError("a_callable must be callable.")
1929
stdin = StringIO("")
1931
if getattr(self, "_log_file", None) is not None:
1932
stdout = self._log_file
1936
if getattr(self, "_log_file", None is not None):
1937
stderr = self._log_file
1940
real_stdin = sys.stdin
1941
real_stdout = sys.stdout
1942
real_stderr = sys.stderr
1947
return a_callable(*args, **kwargs)
1949
sys.stdout = real_stdout
1950
sys.stderr = real_stderr
1951
sys.stdin = real_stdin
1953
def reduceLockdirTimeout(self):
1954
"""Reduce the default lock timeout for the duration of the test, so that
1955
if LockContention occurs during a test, it does so quickly.
1957
Tests that expect to provoke LockContention errors should call this.
1959
orig_timeout = bzrlib.lockdir._DEFAULT_TIMEOUT_SECONDS
1961
bzrlib.lockdir._DEFAULT_TIMEOUT_SECONDS = orig_timeout
1962
self.addCleanup(resetTimeout)
1963
bzrlib.lockdir._DEFAULT_TIMEOUT_SECONDS = 0
1965
def make_utf8_encoded_stringio(self, encoding_type=None):
1966
"""Return a StringIOWrapper instance, that will encode Unicode
1969
if encoding_type is None:
1970
encoding_type = 'strict'
1972
output_encoding = 'utf-8'
1973
sio = codecs.getwriter(output_encoding)(sio, errors=encoding_type)
1974
sio.encoding = output_encoding
1977
def disable_verb(self, verb):
1978
"""Disable a smart server verb for one test."""
1979
from bzrlib.smart import request
1980
request_handlers = request.request_handlers
1981
orig_method = request_handlers.get(verb)
1982
request_handlers.remove(verb)
1984
request_handlers.register(verb, orig_method)
1985
self.addCleanup(restoreVerb)
1988
class CapturedCall(object):
1989
"""A helper for capturing smart server calls for easy debug analysis."""
1991
def __init__(self, params, prefix_length):
1992
"""Capture the call with params and skip prefix_length stack frames."""
1995
# The last 5 frames are the __init__, the hook frame, and 3 smart
1996
# client frames. Beyond this we could get more clever, but this is good
1998
stack = traceback.extract_stack()[prefix_length:-5]
1999
self.stack = ''.join(traceback.format_list(stack))
2002
return self.call.method
2005
return self.call.method
2011
class TestCaseWithMemoryTransport(TestCase):
2012
"""Common test class for tests that do not need disk resources.
2014
Tests that need disk resources should derive from TestCaseWithTransport.
2016
TestCaseWithMemoryTransport sets the TEST_ROOT variable for all bzr tests.
2018
For TestCaseWithMemoryTransport the test_home_dir is set to the name of
2019
a directory which does not exist. This serves to help ensure test isolation
2020
is preserved. test_dir is set to the TEST_ROOT, as is cwd, because they
2021
must exist. However, TestCaseWithMemoryTransport does not offer local
2022
file defaults for the transport in tests, nor does it obey the command line
2023
override, so tests that accidentally write to the common directory should
2026
:cvar TEST_ROOT: Directory containing all temporary directories, plus
2027
a .bzr directory that stops us ascending higher into the filesystem.
2033
def __init__(self, methodName='runTest'):
2034
# allow test parameterization after test construction and before test
2035
# execution. Variables that the parameterizer sets need to be
2036
# ones that are not set by setUp, or setUp will trash them.
2037
super(TestCaseWithMemoryTransport, self).__init__(methodName)
2038
self.vfs_transport_factory = default_transport
2039
self.transport_server = None
2040
self.transport_readonly_server = None
2041
self.__vfs_server = None
2043
def get_transport(self, relpath=None):
2044
"""Return a writeable transport.
2046
This transport is for the test scratch space relative to
2049
:param relpath: a path relative to the base url.
2051
t = get_transport(self.get_url(relpath))
2052
self.assertFalse(t.is_readonly())
2055
def get_readonly_transport(self, relpath=None):
2056
"""Return a readonly transport for the test scratch space
2058
This can be used to test that operations which should only need
2059
readonly access in fact do not try to write.
2061
:param relpath: a path relative to the base url.
2063
t = get_transport(self.get_readonly_url(relpath))
2064
self.assertTrue(t.is_readonly())
2067
def create_transport_readonly_server(self):
2068
"""Create a transport server from class defined at init.
2070
This is mostly a hook for daughter classes.
2072
return self.transport_readonly_server()
2074
def get_readonly_server(self):
2075
"""Get the server instance for the readonly transport
2077
This is useful for some tests with specific servers to do diagnostics.
2079
if self.__readonly_server is None:
2080
if self.transport_readonly_server is None:
2081
# readonly decorator requested
2082
# bring up the server
2083
self.__readonly_server = ReadonlyServer()
2084
self.__readonly_server.setUp(self.get_vfs_only_server())
2086
self.__readonly_server = self.create_transport_readonly_server()
2087
self.__readonly_server.setUp(self.get_vfs_only_server())
2088
self.addCleanup(self.__readonly_server.tearDown)
2089
return self.__readonly_server
2091
def get_readonly_url(self, relpath=None):
2092
"""Get a URL for the readonly transport.
2094
This will either be backed by '.' or a decorator to the transport
2095
used by self.get_url()
2096
relpath provides for clients to get a path relative to the base url.
2097
These should only be downwards relative, not upwards.
2099
base = self.get_readonly_server().get_url()
2100
return self._adjust_url(base, relpath)
2102
def get_vfs_only_server(self):
2103
"""Get the vfs only read/write server instance.
2105
This is useful for some tests with specific servers that need
2108
For TestCaseWithMemoryTransport this is always a MemoryServer, and there
2109
is no means to override it.
2111
if self.__vfs_server is None:
2112
self.__vfs_server = MemoryServer()
2113
self.__vfs_server.setUp()
2114
self.addCleanup(self.__vfs_server.tearDown)
2115
return self.__vfs_server
2117
def get_server(self):
2118
"""Get the read/write server instance.
2120
This is useful for some tests with specific servers that need
2123
This is built from the self.transport_server factory. If that is None,
2124
then the self.get_vfs_server is returned.
2126
if self.__server is None:
2127
if self.transport_server is None or self.transport_server is self.vfs_transport_factory:
2128
return self.get_vfs_only_server()
2130
# bring up a decorated means of access to the vfs only server.
2131
self.__server = self.transport_server()
2133
self.__server.setUp(self.get_vfs_only_server())
2134
except TypeError, e:
2135
# This should never happen; the try:Except here is to assist
2136
# developers having to update code rather than seeing an
2137
# uninformative TypeError.
2138
raise Exception, "Old server API in use: %s, %s" % (self.__server, e)
2139
self.addCleanup(self.__server.tearDown)
2140
return self.__server
2142
def _adjust_url(self, base, relpath):
2143
"""Get a URL (or maybe a path) for the readwrite transport.
2145
This will either be backed by '.' or to an equivalent non-file based
2147
relpath provides for clients to get a path relative to the base url.
2148
These should only be downwards relative, not upwards.
2150
if relpath is not None and relpath != '.':
2151
if not base.endswith('/'):
2153
# XXX: Really base should be a url; we did after all call
2154
# get_url()! But sometimes it's just a path (from
2155
# LocalAbspathServer), and it'd be wrong to append urlescaped data
2156
# to a non-escaped local path.
2157
if base.startswith('./') or base.startswith('/'):
2160
base += urlutils.escape(relpath)
2163
def get_url(self, relpath=None):
2164
"""Get a URL (or maybe a path) for the readwrite transport.
2166
This will either be backed by '.' or to an equivalent non-file based
2168
relpath provides for clients to get a path relative to the base url.
2169
These should only be downwards relative, not upwards.
2171
base = self.get_server().get_url()
2172
return self._adjust_url(base, relpath)
2174
def get_vfs_only_url(self, relpath=None):
2175
"""Get a URL (or maybe a path for the plain old vfs transport.
2177
This will never be a smart protocol. It always has all the
2178
capabilities of the local filesystem, but it might actually be a
2179
MemoryTransport or some other similar virtual filesystem.
2181
This is the backing transport (if any) of the server returned by
2182
get_url and get_readonly_url.
2184
:param relpath: provides for clients to get a path relative to the base
2185
url. These should only be downwards relative, not upwards.
2188
base = self.get_vfs_only_server().get_url()
2189
return self._adjust_url(base, relpath)
2191
def _create_safety_net(self):
2192
"""Make a fake bzr directory.
2194
This prevents any tests propagating up onto the TEST_ROOT directory's
2197
root = TestCaseWithMemoryTransport.TEST_ROOT
2198
bzrdir.BzrDir.create_standalone_workingtree(root)
2200
def _check_safety_net(self):
2201
"""Check that the safety .bzr directory have not been touched.
2203
_make_test_root have created a .bzr directory to prevent tests from
2204
propagating. This method ensures than a test did not leaked.
2206
root = TestCaseWithMemoryTransport.TEST_ROOT
2207
wt = workingtree.WorkingTree.open(root)
2208
last_rev = wt.last_revision()
2209
if last_rev != 'null:':
2210
# The current test have modified the /bzr directory, we need to
2211
# recreate a new one or all the followng tests will fail.
2212
# If you need to inspect its content uncomment the following line
2213
# import pdb; pdb.set_trace()
2214
_rmtree_temp_dir(root + '/.bzr')
2215
self._create_safety_net()
2216
raise AssertionError('%s/.bzr should not be modified' % root)
2218
def _make_test_root(self):
2219
if TestCaseWithMemoryTransport.TEST_ROOT is None:
2220
root = osutils.mkdtemp(prefix='testbzr-', suffix='.tmp')
2221
TestCaseWithMemoryTransport.TEST_ROOT = root
2223
self._create_safety_net()
2225
# The same directory is used by all tests, and we're not
2226
# specifically told when all tests are finished. This will do.
2227
atexit.register(_rmtree_temp_dir, root)
2229
self.addCleanup(self._check_safety_net)
2231
def makeAndChdirToTestDir(self):
2232
"""Create a temporary directories for this one test.
2234
This must set self.test_home_dir and self.test_dir and chdir to
2237
For TestCaseWithMemoryTransport we chdir to the TEST_ROOT for this test.
2239
os.chdir(TestCaseWithMemoryTransport.TEST_ROOT)
2240
self.test_dir = TestCaseWithMemoryTransport.TEST_ROOT
2241
self.test_home_dir = self.test_dir + "/MemoryTransportMissingHomeDir"
2243
def make_branch(self, relpath, format=None):
2244
"""Create a branch on the transport at relpath."""
2245
repo = self.make_repository(relpath, format=format)
2246
return repo.bzrdir.create_branch()
2248
def make_bzrdir(self, relpath, format=None):
2250
# might be a relative or absolute path
2251
maybe_a_url = self.get_url(relpath)
2252
segments = maybe_a_url.rsplit('/', 1)
2253
t = get_transport(maybe_a_url)
2254
if len(segments) > 1 and segments[-1] not in ('', '.'):
2258
if isinstance(format, basestring):
2259
format = bzrdir.format_registry.make_bzrdir(format)
2260
return format.initialize_on_transport(t)
2261
except errors.UninitializableFormat:
2262
raise TestSkipped("Format %s is not initializable." % format)
2264
def make_repository(self, relpath, shared=False, format=None):
2265
"""Create a repository on our default transport at relpath.
2267
Note that relpath must be a relative path, not a full url.
2269
# FIXME: If you create a remoterepository this returns the underlying
2270
# real format, which is incorrect. Actually we should make sure that
2271
# RemoteBzrDir returns a RemoteRepository.
2272
# maybe mbp 20070410
2273
made_control = self.make_bzrdir(relpath, format=format)
2274
return made_control.create_repository(shared=shared)
2276
def make_smart_server(self, path):
2277
smart_server = server.SmartTCPServer_for_testing()
2278
smart_server.setUp(self.get_server())
2279
remote_transport = get_transport(smart_server.get_url()).clone(path)
2280
self.addCleanup(smart_server.tearDown)
2281
return remote_transport
2283
def make_branch_and_memory_tree(self, relpath, format=None):
2284
"""Create a branch on the default transport and a MemoryTree for it."""
2285
b = self.make_branch(relpath, format=format)
2286
return memorytree.MemoryTree.create_on_branch(b)
2288
def make_branch_builder(self, relpath, format=None):
2289
branch = self.make_branch(relpath, format=format)
2290
return branchbuilder.BranchBuilder(branch=branch)
2292
def overrideEnvironmentForTesting(self):
2293
os.environ['HOME'] = self.test_home_dir
2294
os.environ['BZR_HOME'] = self.test_home_dir
2297
super(TestCaseWithMemoryTransport, self).setUp()
2298
self._make_test_root()
2299
_currentdir = os.getcwdu()
2300
def _leaveDirectory():
2301
os.chdir(_currentdir)
2302
self.addCleanup(_leaveDirectory)
2303
self.makeAndChdirToTestDir()
2304
self.overrideEnvironmentForTesting()
2305
self.__readonly_server = None
2306
self.__server = None
2307
self.reduceLockdirTimeout()
2309
def setup_smart_server_with_call_log(self):
2310
"""Sets up a smart server as the transport server with a call log."""
2311
self.transport_server = server.SmartTCPServer_for_testing
2312
self.hpss_calls = []
2314
# Skip the current stack down to the caller of
2315
# setup_smart_server_with_call_log
2316
prefix_length = len(traceback.extract_stack()) - 2
2317
def capture_hpss_call(params):
2318
self.hpss_calls.append(
2319
CapturedCall(params, prefix_length))
2320
client._SmartClient.hooks.install_named_hook(
2321
'call', capture_hpss_call, None)
2323
def reset_smart_call_log(self):
2324
self.hpss_calls = []
2327
class TestCaseInTempDir(TestCaseWithMemoryTransport):
2328
"""Derived class that runs a test within a temporary directory.
2330
This is useful for tests that need to create a branch, etc.
2332
The directory is created in a slightly complex way: for each
2333
Python invocation, a new temporary top-level directory is created.
2334
All test cases create their own directory within that. If the
2335
tests complete successfully, the directory is removed.
2337
:ivar test_base_dir: The path of the top-level directory for this
2338
test, which contains a home directory and a work directory.
2340
:ivar test_home_dir: An initially empty directory under test_base_dir
2341
which is used as $HOME for this test.
2343
:ivar test_dir: A directory under test_base_dir used as the current
2344
directory when the test proper is run.
2347
OVERRIDE_PYTHON = 'python'
2349
def check_file_contents(self, filename, expect):
2350
self.log("check contents of file %s" % filename)
2351
contents = file(filename, 'r').read()
2352
if contents != expect:
2353
self.log("expected: %r" % expect)
2354
self.log("actually: %r" % contents)
2355
self.fail("contents of %s not as expected" % filename)
2357
def _getTestDirPrefix(self):
2358
# create a directory within the top level test directory
2359
if sys.platform in ('win32', 'cygwin'):
2360
name_prefix = re.sub('[<>*=+",:;_/\\-]', '_', self.id())
2361
# windows is likely to have path-length limits so use a short name
2362
name_prefix = name_prefix[-30:]
2364
name_prefix = re.sub('[/]', '_', self.id())
2367
def makeAndChdirToTestDir(self):
2368
"""See TestCaseWithMemoryTransport.makeAndChdirToTestDir().
2370
For TestCaseInTempDir we create a temporary directory based on the test
2371
name and then create two subdirs - test and home under it.
2373
name_prefix = osutils.pathjoin(TestCaseWithMemoryTransport.TEST_ROOT,
2374
self._getTestDirPrefix())
2376
for i in range(100):
2377
if os.path.exists(name):
2378
name = name_prefix + '_' + str(i)
2382
# now create test and home directories within this dir
2383
self.test_base_dir = name
2384
self.test_home_dir = self.test_base_dir + '/home'
2385
os.mkdir(self.test_home_dir)
2386
self.test_dir = self.test_base_dir + '/work'
2387
os.mkdir(self.test_dir)
2388
os.chdir(self.test_dir)
2389
# put name of test inside
2390
f = file(self.test_base_dir + '/name', 'w')
2395
self.addCleanup(self.deleteTestDir)
2397
def deleteTestDir(self):
2398
os.chdir(TestCaseWithMemoryTransport.TEST_ROOT)
2399
_rmtree_temp_dir(self.test_base_dir)
2401
def build_tree(self, shape, line_endings='binary', transport=None):
2402
"""Build a test tree according to a pattern.
2404
shape is a sequence of file specifications. If the final
2405
character is '/', a directory is created.
2407
This assumes that all the elements in the tree being built are new.
2409
This doesn't add anything to a branch.
2411
:type shape: list or tuple.
2412
:param line_endings: Either 'binary' or 'native'
2413
in binary mode, exact contents are written in native mode, the
2414
line endings match the default platform endings.
2415
:param transport: A transport to write to, for building trees on VFS's.
2416
If the transport is readonly or None, "." is opened automatically.
2419
if type(shape) not in (list, tuple):
2420
raise AssertionError("Parameter 'shape' should be "
2421
"a list or a tuple. Got %r instead" % (shape,))
2422
# It's OK to just create them using forward slashes on windows.
2423
if transport is None or transport.is_readonly():
2424
transport = get_transport(".")
2426
self.assertIsInstance(name, basestring)
2428
transport.mkdir(urlutils.escape(name[:-1]))
2430
if line_endings == 'binary':
2432
elif line_endings == 'native':
2435
raise errors.BzrError(
2436
'Invalid line ending request %r' % line_endings)
2437
content = "contents of %s%s" % (name.encode('utf-8'), end)
2438
transport.put_bytes_non_atomic(urlutils.escape(name), content)
2440
def build_tree_contents(self, shape):
2441
build_tree_contents(shape)
2443
def assertInWorkingTree(self, path, root_path='.', tree=None):
2444
"""Assert whether path or paths are in the WorkingTree"""
2446
tree = workingtree.WorkingTree.open(root_path)
2447
if not isinstance(path, basestring):
2449
self.assertInWorkingTree(p, tree=tree)
2451
self.assertIsNot(tree.path2id(path), None,
2452
path+' not in working tree.')
2454
def assertNotInWorkingTree(self, path, root_path='.', tree=None):
2455
"""Assert whether path or paths are not in the WorkingTree"""
2457
tree = workingtree.WorkingTree.open(root_path)
2458
if not isinstance(path, basestring):
2460
self.assertNotInWorkingTree(p,tree=tree)
2462
self.assertIs(tree.path2id(path), None, path+' in working tree.')
2465
class TestCaseWithTransport(TestCaseInTempDir):
2466
"""A test case that provides get_url and get_readonly_url facilities.
2468
These back onto two transport servers, one for readonly access and one for
2471
If no explicit class is provided for readonly access, a
2472
ReadonlyTransportDecorator is used instead which allows the use of non disk
2473
based read write transports.
2475
If an explicit class is provided for readonly access, that server and the
2476
readwrite one must both define get_url() as resolving to os.getcwd().
2479
def get_vfs_only_server(self):
2480
"""See TestCaseWithMemoryTransport.
2482
This is useful for some tests with specific servers that need
2485
if self.__vfs_server is None:
2486
self.__vfs_server = self.vfs_transport_factory()
2487
self.__vfs_server.setUp()
2488
self.addCleanup(self.__vfs_server.tearDown)
2489
return self.__vfs_server
2491
def make_branch_and_tree(self, relpath, format=None):
2492
"""Create a branch on the transport and a tree locally.
2494
If the transport is not a LocalTransport, the Tree can't be created on
2495
the transport. In that case if the vfs_transport_factory is
2496
LocalURLServer the working tree is created in the local
2497
directory backing the transport, and the returned tree's branch and
2498
repository will also be accessed locally. Otherwise a lightweight
2499
checkout is created and returned.
2501
:param format: The BzrDirFormat.
2502
:returns: the WorkingTree.
2504
# TODO: always use the local disk path for the working tree,
2505
# this obviously requires a format that supports branch references
2506
# so check for that by checking bzrdir.BzrDirFormat.get_default_format()
2508
b = self.make_branch(relpath, format=format)
2510
return b.bzrdir.create_workingtree()
2511
except errors.NotLocalUrl:
2512
# We can only make working trees locally at the moment. If the
2513
# transport can't support them, then we keep the non-disk-backed
2514
# branch and create a local checkout.
2515
if self.vfs_transport_factory is LocalURLServer:
2516
# the branch is colocated on disk, we cannot create a checkout.
2517
# hopefully callers will expect this.
2518
local_controldir= bzrdir.BzrDir.open(self.get_vfs_only_url(relpath))
2519
wt = local_controldir.create_workingtree()
2520
if wt.branch._format != b._format:
2522
# Make sure that assigning to wt._branch fixes wt.branch,
2523
# in case the implementation details of workingtree objects
2525
self.assertIs(b, wt.branch)
2528
return b.create_checkout(relpath, lightweight=True)
2530
def assertIsDirectory(self, relpath, transport):
2531
"""Assert that relpath within transport is a directory.
2533
This may not be possible on all transports; in that case it propagates
2534
a TransportNotPossible.
2537
mode = transport.stat(relpath).st_mode
2538
except errors.NoSuchFile:
2539
self.fail("path %s is not a directory; no such file"
2541
if not stat.S_ISDIR(mode):
2542
self.fail("path %s is not a directory; has mode %#o"
2545
def assertTreesEqual(self, left, right):
2546
"""Check that left and right have the same content and properties."""
2547
# we use a tree delta to check for equality of the content, and we
2548
# manually check for equality of other things such as the parents list.
2549
self.assertEqual(left.get_parent_ids(), right.get_parent_ids())
2550
differences = left.changes_from(right)
2551
self.assertFalse(differences.has_changed(),
2552
"Trees %r and %r are different: %r" % (left, right, differences))
2555
super(TestCaseWithTransport, self).setUp()
2556
self.__vfs_server = None
2559
class ChrootedTestCase(TestCaseWithTransport):
2560
"""A support class that provides readonly urls outside the local namespace.
2562
This is done by checking if self.transport_server is a MemoryServer. if it
2563
is then we are chrooted already, if it is not then an HttpServer is used
2566
TODO RBC 20060127: make this an option to TestCaseWithTransport so it can
2567
be used without needed to redo it when a different
2568
subclass is in use ?
2572
super(ChrootedTestCase, self).setUp()
2573
if not self.vfs_transport_factory == MemoryServer:
2574
self.transport_readonly_server = HttpServer
2577
def condition_id_re(pattern):
2578
"""Create a condition filter which performs a re check on a test's id.
2580
:param pattern: A regular expression string.
2581
:return: A callable that returns True if the re matches.
2583
filter_re = osutils.re_compile_checked(pattern, 0,
2585
def condition(test):
2587
return filter_re.search(test_id)
2591
def condition_isinstance(klass_or_klass_list):
2592
"""Create a condition filter which returns isinstance(param, klass).
2594
:return: A callable which when called with one parameter obj return the
2595
result of isinstance(obj, klass_or_klass_list).
2598
return isinstance(obj, klass_or_klass_list)
2602
def condition_id_in_list(id_list):
2603
"""Create a condition filter which verify that test's id in a list.
2605
:param id_list: A TestIdList object.
2606
:return: A callable that returns True if the test's id appears in the list.
2608
def condition(test):
2609
return id_list.includes(test.id())
2613
def condition_id_startswith(starts):
2614
"""Create a condition filter verifying that test's id starts with a string.
2616
:param starts: A list of string.
2617
:return: A callable that returns True if the test's id starts with one of
2620
def condition(test):
2621
for start in starts:
2622
if test.id().startswith(start):
2628
def exclude_tests_by_condition(suite, condition):
2629
"""Create a test suite which excludes some tests from suite.
2631
:param suite: The suite to get tests from.
2632
:param condition: A callable whose result evaluates True when called with a
2633
test case which should be excluded from the result.
2634
:return: A suite which contains the tests found in suite that fail
2638
for test in iter_suite_tests(suite):
2639
if not condition(test):
2641
return TestUtil.TestSuite(result)
2644
def filter_suite_by_condition(suite, condition):
2645
"""Create a test suite by filtering another one.
2647
:param suite: The source suite.
2648
:param condition: A callable whose result evaluates True when called with a
2649
test case which should be included in the result.
2650
:return: A suite which contains the tests found in suite that pass
2654
for test in iter_suite_tests(suite):
2657
return TestUtil.TestSuite(result)
2660
def filter_suite_by_re(suite, pattern):
2661
"""Create a test suite by filtering another one.
2663
:param suite: the source suite
2664
:param pattern: pattern that names must match
2665
:returns: the newly created suite
2667
condition = condition_id_re(pattern)
2668
result_suite = filter_suite_by_condition(suite, condition)
2672
def filter_suite_by_id_list(suite, test_id_list):
2673
"""Create a test suite by filtering another one.
2675
:param suite: The source suite.
2676
:param test_id_list: A list of the test ids to keep as strings.
2677
:returns: the newly created suite
2679
condition = condition_id_in_list(test_id_list)
2680
result_suite = filter_suite_by_condition(suite, condition)
2684
def filter_suite_by_id_startswith(suite, start):
2685
"""Create a test suite by filtering another one.
2687
:param suite: The source suite.
2688
:param start: A list of string the test id must start with one of.
2689
:returns: the newly created suite
2691
condition = condition_id_startswith(start)
2692
result_suite = filter_suite_by_condition(suite, condition)
2696
def exclude_tests_by_re(suite, pattern):
2697
"""Create a test suite which excludes some tests from suite.
2699
:param suite: The suite to get tests from.
2700
:param pattern: A regular expression string. Test ids that match this
2701
pattern will be excluded from the result.
2702
:return: A TestSuite that contains all the tests from suite without the
2703
tests that matched pattern. The order of tests is the same as it was in
2706
return exclude_tests_by_condition(suite, condition_id_re(pattern))
2709
def preserve_input(something):
2710
"""A helper for performing test suite transformation chains.
2712
:param something: Anything you want to preserve.
2718
def randomize_suite(suite):
2719
"""Return a new TestSuite with suite's tests in random order.
2721
The tests in the input suite are flattened into a single suite in order to
2722
accomplish this. Any nested TestSuites are removed to provide global
2725
tests = list(iter_suite_tests(suite))
2726
random.shuffle(tests)
2727
return TestUtil.TestSuite(tests)
2730
def split_suite_by_condition(suite, condition):
2731
"""Split a test suite into two by a condition.
2733
:param suite: The suite to split.
2734
:param condition: The condition to match on. Tests that match this
2735
condition are returned in the first test suite, ones that do not match
2736
are in the second suite.
2737
:return: A tuple of two test suites, where the first contains tests from
2738
suite matching the condition, and the second contains the remainder
2739
from suite. The order within each output suite is the same as it was in
2744
for test in iter_suite_tests(suite):
2746
matched.append(test)
2748
did_not_match.append(test)
2749
return TestUtil.TestSuite(matched), TestUtil.TestSuite(did_not_match)
2752
def split_suite_by_re(suite, pattern):
2753
"""Split a test suite into two by a regular expression.
2755
:param suite: The suite to split.
2756
:param pattern: A regular expression string. Test ids that match this
2757
pattern will be in the first test suite returned, and the others in the
2758
second test suite returned.
2759
:return: A tuple of two test suites, where the first contains tests from
2760
suite matching pattern, and the second contains the remainder from
2761
suite. The order within each output suite is the same as it was in
2764
return split_suite_by_condition(suite, condition_id_re(pattern))
2767
def run_suite(suite, name='test', verbose=False, pattern=".*",
2768
stop_on_failure=False,
2769
transport=None, lsprof_timed=None, bench_history=None,
2770
matching_tests_first=None,
2773
exclude_pattern=None,
2776
suite_decorators=None,
2778
result_decorators=None,
2780
"""Run a test suite for bzr selftest.
2782
:param runner_class: The class of runner to use. Must support the
2783
constructor arguments passed by run_suite which are more than standard
2785
:return: A boolean indicating success.
2787
TestCase._gather_lsprof_in_benchmarks = lsprof_timed
2792
if runner_class is None:
2793
runner_class = TextTestRunner
2796
runner = runner_class(stream=stream,
2798
verbosity=verbosity,
2799
bench_history=bench_history,
2800
list_only=list_only,
2802
result_decorators=result_decorators,
2804
runner.stop_on_failure=stop_on_failure
2805
# built in decorator factories:
2807
random_order(random_seed, runner),
2808
exclude_tests(exclude_pattern),
2810
if matching_tests_first:
2811
decorators.append(tests_first(pattern))
2813
decorators.append(filter_tests(pattern))
2814
if suite_decorators:
2815
decorators.extend(suite_decorators)
2816
# tell the result object how many tests will be running: (except if
2817
# --parallel=fork is being used. Robert said he will provide a better
2818
# progress design later -- vila 20090817)
2819
if fork_decorator not in decorators:
2820
decorators.append(CountingDecorator)
2821
for decorator in decorators:
2822
suite = decorator(suite)
2823
result = runner.run(suite)
2828
return result.wasStrictlySuccessful()
2830
return result.wasSuccessful()
2833
# A registry where get() returns a suite decorator.
2834
parallel_registry = registry.Registry()
2837
def fork_decorator(suite):
2838
concurrency = osutils.local_concurrency()
2839
if concurrency == 1:
2841
from testtools import ConcurrentTestSuite
2842
return ConcurrentTestSuite(suite, fork_for_tests)
2843
parallel_registry.register('fork', fork_decorator)
2846
def subprocess_decorator(suite):
2847
concurrency = osutils.local_concurrency()
2848
if concurrency == 1:
2850
from testtools import ConcurrentTestSuite
2851
return ConcurrentTestSuite(suite, reinvoke_for_tests)
2852
parallel_registry.register('subprocess', subprocess_decorator)
2855
def exclude_tests(exclude_pattern):
2856
"""Return a test suite decorator that excludes tests."""
2857
if exclude_pattern is None:
2858
return identity_decorator
2859
def decorator(suite):
2860
return ExcludeDecorator(suite, exclude_pattern)
2864
def filter_tests(pattern):
2866
return identity_decorator
2867
def decorator(suite):
2868
return FilterTestsDecorator(suite, pattern)
2872
def random_order(random_seed, runner):
2873
"""Return a test suite decorator factory for randomising tests order.
2875
:param random_seed: now, a string which casts to a long, or a long.
2876
:param runner: A test runner with a stream attribute to report on.
2878
if random_seed is None:
2879
return identity_decorator
2880
def decorator(suite):
2881
return RandomDecorator(suite, random_seed, runner.stream)
2885
def tests_first(pattern):
2887
return identity_decorator
2888
def decorator(suite):
2889
return TestFirstDecorator(suite, pattern)
2893
def identity_decorator(suite):
2898
class TestDecorator(TestSuite):
2899
"""A decorator for TestCase/TestSuite objects.
2901
Usually, subclasses should override __iter__(used when flattening test
2902
suites), which we do to filter, reorder, parallelise and so on, run() and
2906
def __init__(self, suite):
2907
TestSuite.__init__(self)
2910
def countTestCases(self):
2913
cases += test.countTestCases()
2920
def run(self, result):
2921
# Use iteration on self, not self._tests, to allow subclasses to hook
2924
if result.shouldStop:
2930
class CountingDecorator(TestDecorator):
2931
"""A decorator which calls result.progress(self.countTestCases)."""
2933
def run(self, result):
2934
progress_method = getattr(result, 'progress', None)
2935
if callable(progress_method):
2936
progress_method(self.countTestCases(), SUBUNIT_SEEK_SET)
2937
return super(CountingDecorator, self).run(result)
2940
class ExcludeDecorator(TestDecorator):
2941
"""A decorator which excludes test matching an exclude pattern."""
2943
def __init__(self, suite, exclude_pattern):
2944
TestDecorator.__init__(self, suite)
2945
self.exclude_pattern = exclude_pattern
2946
self.excluded = False
2950
return iter(self._tests)
2951
self.excluded = True
2952
suite = exclude_tests_by_re(self, self.exclude_pattern)
2954
self.addTests(suite)
2955
return iter(self._tests)
2958
class FilterTestsDecorator(TestDecorator):
2959
"""A decorator which filters tests to those matching a pattern."""
2961
def __init__(self, suite, pattern):
2962
TestDecorator.__init__(self, suite)
2963
self.pattern = pattern
2964
self.filtered = False
2968
return iter(self._tests)
2969
self.filtered = True
2970
suite = filter_suite_by_re(self, self.pattern)
2972
self.addTests(suite)
2973
return iter(self._tests)
2976
class RandomDecorator(TestDecorator):
2977
"""A decorator which randomises the order of its tests."""
2979
def __init__(self, suite, random_seed, stream):
2980
TestDecorator.__init__(self, suite)
2981
self.random_seed = random_seed
2982
self.randomised = False
2983
self.stream = stream
2987
return iter(self._tests)
2988
self.randomised = True
2989
self.stream.writeln("Randomizing test order using seed %s\n" %
2990
(self.actual_seed()))
2991
# Initialise the random number generator.
2992
random.seed(self.actual_seed())
2993
suite = randomize_suite(self)
2995
self.addTests(suite)
2996
return iter(self._tests)
2998
def actual_seed(self):
2999
if self.random_seed == "now":
3000
# We convert the seed to a long to make it reuseable across
3001
# invocations (because the user can reenter it).
3002
self.random_seed = long(time.time())
3004
# Convert the seed to a long if we can
3006
self.random_seed = long(self.random_seed)
3009
return self.random_seed
3012
class TestFirstDecorator(TestDecorator):
3013
"""A decorator which moves named tests to the front."""
3015
def __init__(self, suite, pattern):
3016
TestDecorator.__init__(self, suite)
3017
self.pattern = pattern
3018
self.filtered = False
3022
return iter(self._tests)
3023
self.filtered = True
3024
suites = split_suite_by_re(self, self.pattern)
3026
self.addTests(suites)
3027
return iter(self._tests)
3030
def partition_tests(suite, count):
3031
"""Partition suite into count lists of tests."""
3033
tests = list(iter_suite_tests(suite))
3034
tests_per_process = int(math.ceil(float(len(tests)) / count))
3035
for block in range(count):
3036
low_test = block * tests_per_process
3037
high_test = low_test + tests_per_process
3038
process_tests = tests[low_test:high_test]
3039
result.append(process_tests)
3043
def fork_for_tests(suite):
3044
"""Take suite and start up one runner per CPU by forking()
3046
:return: An iterable of TestCase-like objects which can each have
3047
run(result) called on them to feed tests to result.
3049
concurrency = osutils.local_concurrency()
3051
from subunit import TestProtocolClient, ProtocolTestCase
3053
from subunit.test_results import AutoTimingTestResultDecorator
3055
AutoTimingTestResultDecorator = lambda x:x
3056
class TestInOtherProcess(ProtocolTestCase):
3057
# Should be in subunit, I think. RBC.
3058
def __init__(self, stream, pid):
3059
ProtocolTestCase.__init__(self, stream)
3062
def run(self, result):
3064
ProtocolTestCase.run(self, result)
3066
os.waitpid(self.pid, os.WNOHANG)
3068
test_blocks = partition_tests(suite, concurrency)
3069
for process_tests in test_blocks:
3070
process_suite = TestSuite()
3071
process_suite.addTests(process_tests)
3072
c2pread, c2pwrite = os.pipe()
3077
# Leave stderr and stdout open so we can see test noise
3078
# Close stdin so that the child goes away if it decides to
3079
# read from stdin (otherwise its a roulette to see what
3080
# child actually gets keystrokes for pdb etc).
3083
stream = os.fdopen(c2pwrite, 'wb', 1)
3084
subunit_result = AutoTimingTestResultDecorator(
3085
TestProtocolClient(stream))
3086
process_suite.run(subunit_result)
3091
stream = os.fdopen(c2pread, 'rb', 1)
3092
test = TestInOtherProcess(stream, pid)
3097
def reinvoke_for_tests(suite):
3098
"""Take suite and start up one runner per CPU using subprocess().
3100
:return: An iterable of TestCase-like objects which can each have
3101
run(result) called on them to feed tests to result.
3103
concurrency = osutils.local_concurrency()
3105
from subunit import ProtocolTestCase
3106
class TestInSubprocess(ProtocolTestCase):
3107
def __init__(self, process, name):
3108
ProtocolTestCase.__init__(self, process.stdout)
3109
self.process = process
3110
self.process.stdin.close()
3113
def run(self, result):
3115
ProtocolTestCase.run(self, result)
3118
os.unlink(self.name)
3119
# print "pid %d finished" % finished_process
3120
test_blocks = partition_tests(suite, concurrency)
3121
for process_tests in test_blocks:
3122
# ugly; currently reimplement rather than reuses TestCase methods.
3123
bzr_path = os.path.dirname(os.path.dirname(bzrlib.__file__))+'/bzr'
3124
if not os.path.isfile(bzr_path):
3125
# We are probably installed. Assume sys.argv is the right file
3126
bzr_path = sys.argv[0]
3127
fd, test_list_file_name = tempfile.mkstemp()
3128
test_list_file = os.fdopen(fd, 'wb', 1)
3129
for test in process_tests:
3130
test_list_file.write(test.id() + '\n')
3131
test_list_file.close()
3133
argv = [bzr_path, 'selftest', '--load-list', test_list_file_name,
3135
if '--no-plugins' in sys.argv:
3136
argv.append('--no-plugins')
3137
# stderr=STDOUT would be ideal, but until we prevent noise on
3138
# stderr it can interrupt the subunit protocol.
3139
process = Popen(argv, stdin=PIPE, stdout=PIPE, stderr=PIPE,
3141
test = TestInSubprocess(process, test_list_file_name)
3144
os.unlink(test_list_file_name)
3149
class ForwardingResult(unittest.TestResult):
3151
def __init__(self, target):
3152
unittest.TestResult.__init__(self)
3153
self.result = target
3155
def startTest(self, test):
3156
self.result.startTest(test)
3158
def stopTest(self, test):
3159
self.result.stopTest(test)
3161
def addSkip(self, test, reason):
3162
self.result.addSkip(test, reason)
3164
def addSuccess(self, test):
3165
self.result.addSuccess(test)
3167
def addError(self, test, err):
3168
self.result.addError(test, err)
3170
def addFailure(self, test, err):
3171
self.result.addFailure(test, err)
3174
class BZRTransformingResult(ForwardingResult):
3176
def addError(self, test, err):
3177
feature = self._error_looks_like('UnavailableFeature: ', err)
3178
if feature is not None:
3179
self.result.addNotSupported(test, feature)
3181
self.result.addError(test, err)
3183
def addFailure(self, test, err):
3184
known = self._error_looks_like('KnownFailure: ', err)
3185
if known is not None:
3186
self.result._addKnownFailure(test, [KnownFailure,
3187
KnownFailure(known), None])
3189
self.result.addFailure(test, err)
3191
def _error_looks_like(self, prefix, err):
3192
"""Deserialize exception and returns the stringify value."""
3196
if isinstance(exc, subunit.RemoteException):
3197
# stringify the exception gives access to the remote traceback
3198
# We search the last line for 'prefix'
3199
lines = str(exc).split('\n')
3200
while lines and not lines[-1]:
3203
if lines[-1].startswith(prefix):
3204
value = lines[-1][len(prefix):]
3208
class ProfileResult(ForwardingResult):
3209
"""Generate profiling data for all activity between start and success.
3211
The profile data is appended to the test's _benchcalls attribute and can
3212
be accessed by the forwarded-to TestResult.
3214
While it might be cleaner do accumulate this in stopTest, addSuccess is
3215
where our existing output support for lsprof is, and this class aims to
3216
fit in with that: while it could be moved it's not necessary to accomplish
3217
test profiling, nor would it be dramatically cleaner.
3220
def startTest(self, test):
3221
self.profiler = bzrlib.lsprof.BzrProfiler()
3222
self.profiler.start()
3223
ForwardingResult.startTest(self, test)
3225
def addSuccess(self, test):
3226
stats = self.profiler.stop()
3228
calls = test._benchcalls
3229
except AttributeError:
3230
test._benchcalls = []
3231
calls = test._benchcalls
3232
calls.append(((test.id(), "", ""), stats))
3233
ForwardingResult.addSuccess(self, test)
3235
def stopTest(self, test):
3236
ForwardingResult.stopTest(self, test)
3237
self.profiler = None
3240
# Controlled by "bzr selftest -E=..." option
3241
# Currently supported:
3242
# -Eallow_debug Will no longer clear debug.debug_flags() so it
3243
# preserves any flags supplied at the command line.
3244
# -Edisable_lock_checks Turns errors in mismatched locks into simple prints
3245
# rather than failing tests. And no longer raise
3246
# LockContention when fctnl locks are not being used
3247
# with proper exclusion rules.
3248
selftest_debug_flags = set()
3251
def selftest(verbose=False, pattern=".*", stop_on_failure=True,
3253
test_suite_factory=None,
3256
matching_tests_first=None,
3259
exclude_pattern=None,
3265
suite_decorators=None,
3269
"""Run the whole test suite under the enhanced runner"""
3270
# XXX: Very ugly way to do this...
3271
# Disable warning about old formats because we don't want it to disturb
3272
# any blackbox tests.
3273
from bzrlib import repository
3274
repository._deprecation_warning_done = True
3276
global default_transport
3277
if transport is None:
3278
transport = default_transport
3279
old_transport = default_transport
3280
default_transport = transport
3281
global selftest_debug_flags
3282
old_debug_flags = selftest_debug_flags
3283
if debug_flags is not None:
3284
selftest_debug_flags = set(debug_flags)
3286
if load_list is None:
3289
keep_only = load_test_id_list(load_list)
3291
starting_with = [test_prefix_alias_registry.resolve_alias(start)
3292
for start in starting_with]
3293
if test_suite_factory is None:
3294
# Reduce loading time by loading modules based on the starting_with
3296
suite = test_suite(keep_only, starting_with)
3298
suite = test_suite_factory()
3300
# But always filter as requested.
3301
suite = filter_suite_by_id_startswith(suite, starting_with)
3302
result_decorators = []
3304
result_decorators.append(ProfileResult)
3305
return run_suite(suite, 'testbzr', verbose=verbose, pattern=pattern,
3306
stop_on_failure=stop_on_failure,
3307
transport=transport,
3308
lsprof_timed=lsprof_timed,
3309
bench_history=bench_history,
3310
matching_tests_first=matching_tests_first,
3311
list_only=list_only,
3312
random_seed=random_seed,
3313
exclude_pattern=exclude_pattern,
3315
runner_class=runner_class,
3316
suite_decorators=suite_decorators,
3318
result_decorators=result_decorators,
3321
default_transport = old_transport
3322
selftest_debug_flags = old_debug_flags
3325
def load_test_id_list(file_name):
3326
"""Load a test id list from a text file.
3328
The format is one test id by line. No special care is taken to impose
3329
strict rules, these test ids are used to filter the test suite so a test id
3330
that do not match an existing test will do no harm. This allows user to add
3331
comments, leave blank lines, etc.
3335
ftest = open(file_name, 'rt')
3337
if e.errno != errno.ENOENT:
3340
raise errors.NoSuchFile(file_name)
3342
for test_name in ftest.readlines():
3343
test_list.append(test_name.strip())
3348
def suite_matches_id_list(test_suite, id_list):
3349
"""Warns about tests not appearing or appearing more than once.
3351
:param test_suite: A TestSuite object.
3352
:param test_id_list: The list of test ids that should be found in
3355
:return: (absents, duplicates) absents is a list containing the test found
3356
in id_list but not in test_suite, duplicates is a list containing the
3357
test found multiple times in test_suite.
3359
When using a prefined test id list, it may occurs that some tests do not
3360
exist anymore or that some tests use the same id. This function warns the
3361
tester about potential problems in his workflow (test lists are volatile)
3362
or in the test suite itself (using the same id for several tests does not
3363
help to localize defects).
3365
# Build a dict counting id occurrences
3367
for test in iter_suite_tests(test_suite):
3369
tests[id] = tests.get(id, 0) + 1
3374
occurs = tests.get(id, 0)
3376
not_found.append(id)
3378
duplicates.append(id)
3380
return not_found, duplicates
3383
class TestIdList(object):
3384
"""Test id list to filter a test suite.
3386
Relying on the assumption that test ids are built as:
3387
<module>[.<class>.<method>][(<param>+)], <module> being in python dotted
3388
notation, this class offers methods to :
3389
- avoid building a test suite for modules not refered to in the test list,
3390
- keep only the tests listed from the module test suite.
3393
def __init__(self, test_id_list):
3394
# When a test suite needs to be filtered against us we compare test ids
3395
# for equality, so a simple dict offers a quick and simple solution.
3396
self.tests = dict().fromkeys(test_id_list, True)
3398
# While unittest.TestCase have ids like:
3399
# <module>.<class>.<method>[(<param+)],
3400
# doctest.DocTestCase can have ids like:
3403
# <module>.<function>
3404
# <module>.<class>.<method>
3406
# Since we can't predict a test class from its name only, we settle on
3407
# a simple constraint: a test id always begins with its module name.
3410
for test_id in test_id_list:
3411
parts = test_id.split('.')
3412
mod_name = parts.pop(0)
3413
modules[mod_name] = True
3415
mod_name += '.' + part
3416
modules[mod_name] = True
3417
self.modules = modules
3419
def refers_to(self, module_name):
3420
"""Is there tests for the module or one of its sub modules."""
3421
return self.modules.has_key(module_name)
3423
def includes(self, test_id):
3424
return self.tests.has_key(test_id)
3427
class TestPrefixAliasRegistry(registry.Registry):
3428
"""A registry for test prefix aliases.
3430
This helps implement shorcuts for the --starting-with selftest
3431
option. Overriding existing prefixes is not allowed but not fatal (a
3432
warning will be emitted).
3435
def register(self, key, obj, help=None, info=None,
3436
override_existing=False):
3437
"""See Registry.register.
3439
Trying to override an existing alias causes a warning to be emitted,
3440
not a fatal execption.
3443
super(TestPrefixAliasRegistry, self).register(
3444
key, obj, help=help, info=info, override_existing=False)
3446
actual = self.get(key)
3447
note('Test prefix alias %s is already used for %s, ignoring %s'
3448
% (key, actual, obj))
3450
def resolve_alias(self, id_start):
3451
"""Replace the alias by the prefix in the given string.
3453
Using an unknown prefix is an error to help catching typos.
3455
parts = id_start.split('.')
3457
parts[0] = self.get(parts[0])
3459
raise errors.BzrCommandError(
3460
'%s is not a known test prefix alias' % parts[0])
3461
return '.'.join(parts)
3464
test_prefix_alias_registry = TestPrefixAliasRegistry()
3465
"""Registry of test prefix aliases."""
3468
# This alias allows to detect typos ('bzrlin.') by making all valid test ids
3469
# appear prefixed ('bzrlib.' is "replaced" by 'bzrlib.').
3470
test_prefix_alias_registry.register('bzrlib', 'bzrlib')
3472
# Obvious higest levels prefixes, feel free to add your own via a plugin
3473
test_prefix_alias_registry.register('bd', 'bzrlib.doc')
3474
test_prefix_alias_registry.register('bu', 'bzrlib.utils')
3475
test_prefix_alias_registry.register('bt', 'bzrlib.tests')
3476
test_prefix_alias_registry.register('bb', 'bzrlib.tests.blackbox')
3477
test_prefix_alias_registry.register('bp', 'bzrlib.plugins')
3480
def test_suite(keep_only=None, starting_with=None):
3481
"""Build and return TestSuite for the whole of bzrlib.
3483
:param keep_only: A list of test ids limiting the suite returned.
3485
:param starting_with: An id limiting the suite returned to the tests
3488
This function can be replaced if you need to change the default test
3489
suite on a global basis, but it is not encouraged.
3493
'bzrlib.tests.blackbox',
3494
'bzrlib.tests.commands',
3495
'bzrlib.tests.per_branch',
3496
'bzrlib.tests.per_bzrdir',
3497
'bzrlib.tests.per_interrepository',
3498
'bzrlib.tests.per_intertree',
3499
'bzrlib.tests.per_inventory',
3500
'bzrlib.tests.per_interbranch',
3501
'bzrlib.tests.per_lock',
3502
'bzrlib.tests.per_transport',
3503
'bzrlib.tests.per_tree',
3504
'bzrlib.tests.per_pack_repository',
3505
'bzrlib.tests.per_repository',
3506
'bzrlib.tests.per_repository_chk',
3507
'bzrlib.tests.per_repository_reference',
3508
'bzrlib.tests.per_versionedfile',
3509
'bzrlib.tests.per_workingtree',
3510
'bzrlib.tests.test__annotator',
3511
'bzrlib.tests.test__chk_map',
3512
'bzrlib.tests.test__dirstate_helpers',
3513
'bzrlib.tests.test__groupcompress',
3514
'bzrlib.tests.test__known_graph',
3515
'bzrlib.tests.test__rio',
3516
'bzrlib.tests.test__walkdirs_win32',
3517
'bzrlib.tests.test_ancestry',
3518
'bzrlib.tests.test_annotate',
3519
'bzrlib.tests.test_api',
3520
'bzrlib.tests.test_atomicfile',
3521
'bzrlib.tests.test_bad_files',
3522
'bzrlib.tests.test_bencode',
3523
'bzrlib.tests.test_bisect_multi',
3524
'bzrlib.tests.test_branch',
3525
'bzrlib.tests.test_branchbuilder',
3526
'bzrlib.tests.test_btree_index',
3527
'bzrlib.tests.test_bugtracker',
3528
'bzrlib.tests.test_bundle',
3529
'bzrlib.tests.test_bzrdir',
3530
'bzrlib.tests.test__chunks_to_lines',
3531
'bzrlib.tests.test_cache_utf8',
3532
'bzrlib.tests.test_chk_map',
3533
'bzrlib.tests.test_chk_serializer',
3534
'bzrlib.tests.test_chunk_writer',
3535
'bzrlib.tests.test_clean_tree',
3536
'bzrlib.tests.test_commands',
3537
'bzrlib.tests.test_commit',
3538
'bzrlib.tests.test_commit_merge',
3539
'bzrlib.tests.test_config',
3540
'bzrlib.tests.test_conflicts',
3541
'bzrlib.tests.test_counted_lock',
3542
'bzrlib.tests.test_crash',
3543
'bzrlib.tests.test_decorators',
3544
'bzrlib.tests.test_delta',
3545
'bzrlib.tests.test_debug',
3546
'bzrlib.tests.test_deprecated_graph',
3547
'bzrlib.tests.test_diff',
3548
'bzrlib.tests.test_directory_service',
3549
'bzrlib.tests.test_dirstate',
3550
'bzrlib.tests.test_email_message',
3551
'bzrlib.tests.test_eol_filters',
3552
'bzrlib.tests.test_errors',
3553
'bzrlib.tests.test_export',
3554
'bzrlib.tests.test_extract',
3555
'bzrlib.tests.test_fetch',
3556
'bzrlib.tests.test_fifo_cache',
3557
'bzrlib.tests.test_filters',
3558
'bzrlib.tests.test_ftp_transport',
3559
'bzrlib.tests.test_foreign',
3560
'bzrlib.tests.test_generate_docs',
3561
'bzrlib.tests.test_generate_ids',
3562
'bzrlib.tests.test_globbing',
3563
'bzrlib.tests.test_gpg',
3564
'bzrlib.tests.test_graph',
3565
'bzrlib.tests.test_groupcompress',
3566
'bzrlib.tests.test_hashcache',
3567
'bzrlib.tests.test_help',
3568
'bzrlib.tests.test_hooks',
3569
'bzrlib.tests.test_http',
3570
'bzrlib.tests.test_http_response',
3571
'bzrlib.tests.test_https_ca_bundle',
3572
'bzrlib.tests.test_identitymap',
3573
'bzrlib.tests.test_ignores',
3574
'bzrlib.tests.test_index',
3575
'bzrlib.tests.test_info',
3576
'bzrlib.tests.test_inv',
3577
'bzrlib.tests.test_inventory_delta',
3578
'bzrlib.tests.test_knit',
3579
'bzrlib.tests.test_lazy_import',
3580
'bzrlib.tests.test_lazy_regex',
3581
'bzrlib.tests.test_lock',
3582
'bzrlib.tests.test_lockable_files',
3583
'bzrlib.tests.test_lockdir',
3584
'bzrlib.tests.test_log',
3585
'bzrlib.tests.test_lru_cache',
3586
'bzrlib.tests.test_lsprof',
3587
'bzrlib.tests.test_mail_client',
3588
'bzrlib.tests.test_memorytree',
3589
'bzrlib.tests.test_merge',
3590
'bzrlib.tests.test_merge3',
3591
'bzrlib.tests.test_merge_core',
3592
'bzrlib.tests.test_merge_directive',
3593
'bzrlib.tests.test_missing',
3594
'bzrlib.tests.test_msgeditor',
3595
'bzrlib.tests.test_multiparent',
3596
'bzrlib.tests.test_mutabletree',
3597
'bzrlib.tests.test_nonascii',
3598
'bzrlib.tests.test_options',
3599
'bzrlib.tests.test_osutils',
3600
'bzrlib.tests.test_osutils_encodings',
3601
'bzrlib.tests.test_pack',
3602
'bzrlib.tests.test_patch',
3603
'bzrlib.tests.test_patches',
3604
'bzrlib.tests.test_permissions',
3605
'bzrlib.tests.test_plugins',
3606
'bzrlib.tests.test_progress',
3607
'bzrlib.tests.test_read_bundle',
3608
'bzrlib.tests.test_reconcile',
3609
'bzrlib.tests.test_reconfigure',
3610
'bzrlib.tests.test_registry',
3611
'bzrlib.tests.test_remote',
3612
'bzrlib.tests.test_rename_map',
3613
'bzrlib.tests.test_repository',
3614
'bzrlib.tests.test_revert',
3615
'bzrlib.tests.test_revision',
3616
'bzrlib.tests.test_revisionspec',
3617
'bzrlib.tests.test_revisiontree',
3618
'bzrlib.tests.test_rio',
3619
'bzrlib.tests.test_rules',
3620
'bzrlib.tests.test_sampler',
3621
'bzrlib.tests.test_selftest',
3622
'bzrlib.tests.test_serializer',
3623
'bzrlib.tests.test_setup',
3624
'bzrlib.tests.test_sftp_transport',
3625
'bzrlib.tests.test_shelf',
3626
'bzrlib.tests.test_shelf_ui',
3627
'bzrlib.tests.test_smart',
3628
'bzrlib.tests.test_smart_add',
3629
'bzrlib.tests.test_smart_request',
3630
'bzrlib.tests.test_smart_transport',
3631
'bzrlib.tests.test_smtp_connection',
3632
'bzrlib.tests.test_source',
3633
'bzrlib.tests.test_ssh_transport',
3634
'bzrlib.tests.test_status',
3635
'bzrlib.tests.test_store',
3636
'bzrlib.tests.test_strace',
3637
'bzrlib.tests.test_subsume',
3638
'bzrlib.tests.test_switch',
3639
'bzrlib.tests.test_symbol_versioning',
3640
'bzrlib.tests.test_tag',
3641
'bzrlib.tests.test_testament',
3642
'bzrlib.tests.test_textfile',
3643
'bzrlib.tests.test_textmerge',
3644
'bzrlib.tests.test_timestamp',
3645
'bzrlib.tests.test_trace',
3646
'bzrlib.tests.test_transactions',
3647
'bzrlib.tests.test_transform',
3648
'bzrlib.tests.test_transport',
3649
'bzrlib.tests.test_transport_log',
3650
'bzrlib.tests.test_tree',
3651
'bzrlib.tests.test_treebuilder',
3652
'bzrlib.tests.test_tsort',
3653
'bzrlib.tests.test_tuned_gzip',
3654
'bzrlib.tests.test_ui',
3655
'bzrlib.tests.test_uncommit',
3656
'bzrlib.tests.test_upgrade',
3657
'bzrlib.tests.test_upgrade_stacked',
3658
'bzrlib.tests.test_urlutils',
3659
'bzrlib.tests.test_version',
3660
'bzrlib.tests.test_version_info',
3661
'bzrlib.tests.test_weave',
3662
'bzrlib.tests.test_whitebox',
3663
'bzrlib.tests.test_win32utils',
3664
'bzrlib.tests.test_workingtree',
3665
'bzrlib.tests.test_workingtree_4',
3666
'bzrlib.tests.test_wsgi',
3667
'bzrlib.tests.test_xml',
61
# XXX: should also test bzrlib.merge_core, but they seem to be out
62
# of date with the code.
64
for m in (bzrlib.store, bzrlib.inventory, bzrlib.branch,
65
bzrlib.osutils, bzrlib.commands, bzrlib.merge3):
66
if m not in MODULES_TO_DOCTEST:
67
MODULES_TO_DOCTEST.append(m)
70
TestBase.BZRPATH = os.path.join(os.path.realpath(os.path.dirname(bzrlib.__path__[0])), 'bzr')
71
print '%-30s %s' % ('bzr binary', TestBase.BZRPATH)
77
suite.addTest(TestLoader().loadTestsFromNames(testmod_names))
79
for m in MODULES_TO_TEST:
80
suite.addTest(TestLoader().loadTestsFromModule(m))
82
for m in (MODULES_TO_DOCTEST):
83
suite.addTest(DocTestSuite(m))
85
for p in bzrlib.plugin.all_plugins:
86
if hasattr(p, 'test_suite'):
87
suite.addTest(p.test_suite())
89
import bzrlib.merge_core
90
suite.addTest(unittest.makeSuite(bzrlib.merge_core.MergeTest, 'test_'))
92
return run_suite(suite, 'testbzr', verbose=verbose)
3670
loader = TestUtil.TestLoader()
3672
if keep_only is not None:
3673
id_filter = TestIdList(keep_only)
3675
# We take precedence over keep_only because *at loading time* using
3676
# both options means we will load less tests for the same final result.
3677
def interesting_module(name):
3678
for start in starting_with:
3680
# Either the module name starts with the specified string
3681
name.startswith(start)
3682
# or it may contain tests starting with the specified string
3683
or start.startswith(name)
3687
loader = TestUtil.FilteredByModuleTestLoader(interesting_module)
3689
elif keep_only is not None:
3690
loader = TestUtil.FilteredByModuleTestLoader(id_filter.refers_to)
3691
def interesting_module(name):
3692
return id_filter.refers_to(name)
3695
loader = TestUtil.TestLoader()
3696
def interesting_module(name):
3697
# No filtering, all modules are interesting
3700
suite = loader.suiteClass()
3702
# modules building their suite with loadTestsFromModuleNames
3703
suite.addTest(loader.loadTestsFromModuleNames(testmod_names))
3705
modules_to_doctest = [
3707
'bzrlib.branchbuilder',
3710
'bzrlib.iterablefile',
3714
'bzrlib.symbol_versioning',
3717
'bzrlib.version_info_formats.format_custom',
3720
for mod in modules_to_doctest:
3721
if not interesting_module(mod):
3722
# No tests to keep here, move along
3725
# note that this really does mean "report only" -- doctest
3726
# still runs the rest of the examples
3727
doc_suite = doctest.DocTestSuite(mod,
3728
optionflags=doctest.REPORT_ONLY_FIRST_FAILURE)
3729
except ValueError, e:
3730
print '**failed to get doctest for: %s\n%s' % (mod, e)
3732
if len(doc_suite._tests) == 0:
3733
raise errors.BzrError("no doctests found in %s" % (mod,))
3734
suite.addTest(doc_suite)
3736
default_encoding = sys.getdefaultencoding()
3737
for name, plugin in bzrlib.plugin.plugins().items():
3738
if not interesting_module(plugin.module.__name__):
3740
plugin_suite = plugin.test_suite()
3741
# We used to catch ImportError here and turn it into just a warning,
3742
# but really if you don't have --no-plugins this should be a failure.
3743
# mbp 20080213 - see http://bugs.launchpad.net/bugs/189771
3744
if plugin_suite is None:
3745
plugin_suite = plugin.load_plugin_tests(loader)
3746
if plugin_suite is not None:
3747
suite.addTest(plugin_suite)
3748
if default_encoding != sys.getdefaultencoding():
3749
bzrlib.trace.warning(
3750
'Plugin "%s" tried to reset default encoding to: %s', name,
3751
sys.getdefaultencoding())
3753
sys.setdefaultencoding(default_encoding)
3755
if keep_only is not None:
3756
# Now that the referred modules have loaded their tests, keep only the
3758
suite = filter_suite_by_id_list(suite, id_filter)
3759
# Do some sanity checks on the id_list filtering
3760
not_found, duplicates = suite_matches_id_list(suite, keep_only)
3762
# The tester has used both keep_only and starting_with, so he is
3763
# already aware that some tests are excluded from the list, there
3764
# is no need to tell him which.
3767
# Some tests mentioned in the list are not in the test suite. The
3768
# list may be out of date, report to the tester.
3769
for id in not_found:
3770
bzrlib.trace.warning('"%s" not found in the test suite', id)
3771
for id in duplicates:
3772
bzrlib.trace.warning('"%s" is used as an id by several tests', id)
3777
def multiply_scenarios(scenarios_left, scenarios_right):
3778
"""Multiply two sets of scenarios.
3780
:returns: the cartesian product of the two sets of scenarios, that is
3781
a scenario for every possible combination of a left scenario and a
3785
('%s,%s' % (left_name, right_name),
3786
dict(left_dict.items() + right_dict.items()))
3787
for left_name, left_dict in scenarios_left
3788
for right_name, right_dict in scenarios_right]
3791
def multiply_tests(tests, scenarios, result):
3792
"""Multiply tests_list by scenarios into result.
3794
This is the core workhorse for test parameterisation.
3796
Typically the load_tests() method for a per-implementation test suite will
3797
call multiply_tests and return the result.
3799
:param tests: The tests to parameterise.
3800
:param scenarios: The scenarios to apply: pairs of (scenario_name,
3801
scenario_param_dict).
3802
:param result: A TestSuite to add created tests to.
3804
This returns the passed in result TestSuite with the cross product of all
3805
the tests repeated once for each scenario. Each test is adapted by adding
3806
the scenario name at the end of its id(), and updating the test object's
3807
__dict__ with the scenario_param_dict.
3809
>>> import bzrlib.tests.test_sampler
3810
>>> r = multiply_tests(
3811
... bzrlib.tests.test_sampler.DemoTest('test_nothing'),
3812
... [('one', dict(param=1)),
3813
... ('two', dict(param=2))],
3815
>>> tests = list(iter_suite_tests(r))
3819
'bzrlib.tests.test_sampler.DemoTest.test_nothing(one)'
3825
for test in iter_suite_tests(tests):
3826
apply_scenarios(test, scenarios, result)
3830
def apply_scenarios(test, scenarios, result):
3831
"""Apply the scenarios in scenarios to test and add to result.
3833
:param test: The test to apply scenarios to.
3834
:param scenarios: An iterable of scenarios to apply to test.
3836
:seealso: apply_scenario
3838
for scenario in scenarios:
3839
result.addTest(apply_scenario(test, scenario))
3843
def apply_scenario(test, scenario):
3844
"""Copy test and apply scenario to it.
3846
:param test: A test to adapt.
3847
:param scenario: A tuple describing the scenarion.
3848
The first element of the tuple is the new test id.
3849
The second element is a dict containing attributes to set on the
3851
:return: The adapted test.
3853
new_id = "%s(%s)" % (test.id(), scenario[0])
3854
new_test = clone_test(test, new_id)
3855
for name, value in scenario[1].items():
3856
setattr(new_test, name, value)
3860
def clone_test(test, new_id):
3861
"""Clone a test giving it a new id.
3863
:param test: The test to clone.
3864
:param new_id: The id to assign to it.
3865
:return: The new test.
3867
from copy import deepcopy
3868
new_test = deepcopy(test)
3869
new_test.id = lambda: new_id
3873
def _rmtree_temp_dir(dirname):
3874
# If LANG=C we probably have created some bogus paths
3875
# which rmtree(unicode) will fail to delete
3876
# so make sure we are using rmtree(str) to delete everything
3877
# except on win32, where rmtree(str) will fail
3878
# since it doesn't have the property of byte-stream paths
3879
# (they are either ascii or mbcs)
3880
if sys.platform == 'win32':
3881
# make sure we are using the unicode win32 api
3882
dirname = unicode(dirname)
3884
dirname = dirname.encode(sys.getfilesystemencoding())
3886
osutils.rmtree(dirname)
3888
# We don't want to fail here because some useful display will be lost
3889
# otherwise. Polluting the tmp dir is bad, but not giving all the
3890
# possible info to the test runner is even worse.
3891
sys.stderr.write('Unable to remove testing dir %s\n%s'
3892
% (os.path.basename(dirname), e))
3895
class Feature(object):
3896
"""An operating system Feature."""
3899
self._available = None
3901
def available(self):
3902
"""Is the feature available?
3904
:return: True if the feature is available.
3906
if self._available is None:
3907
self._available = self._probe()
3908
return self._available
3911
"""Implement this method in concrete features.
3913
:return: True if the feature is available.
3915
raise NotImplementedError
3918
if getattr(self, 'feature_name', None):
3919
return self.feature_name()
3920
return self.__class__.__name__
3923
class _SymlinkFeature(Feature):
3926
return osutils.has_symlinks()
3928
def feature_name(self):
3931
SymlinkFeature = _SymlinkFeature()
3934
class _HardlinkFeature(Feature):
3937
return osutils.has_hardlinks()
3939
def feature_name(self):
3942
HardlinkFeature = _HardlinkFeature()
3945
class _OsFifoFeature(Feature):
3948
return getattr(os, 'mkfifo', None)
3950
def feature_name(self):
3951
return 'filesystem fifos'
3953
OsFifoFeature = _OsFifoFeature()
3956
class _UnicodeFilenameFeature(Feature):
3957
"""Does the filesystem support Unicode filenames?"""
3961
# Check for character combinations unlikely to be covered by any
3962
# single non-unicode encoding. We use the characters
3963
# - greek small letter alpha (U+03B1) and
3964
# - braille pattern dots-123456 (U+283F).
3965
os.stat(u'\u03b1\u283f')
3966
except UnicodeEncodeError:
3968
except (IOError, OSError):
3969
# The filesystem allows the Unicode filename but the file doesn't
3973
# The filesystem allows the Unicode filename and the file exists,
3977
UnicodeFilenameFeature = _UnicodeFilenameFeature()
3980
def probe_unicode_in_user_encoding():
3981
"""Try to encode several unicode strings to use in unicode-aware tests.
3982
Return first successfull match.
3984
:return: (unicode value, encoded plain string value) or (None, None)
3986
possible_vals = [u'm\xb5', u'\xe1', u'\u0410']
3987
for uni_val in possible_vals:
3989
str_val = uni_val.encode(osutils.get_user_encoding())
3990
except UnicodeEncodeError:
3991
# Try a different character
3994
return uni_val, str_val
3998
def probe_bad_non_ascii(encoding):
3999
"""Try to find [bad] character with code [128..255]
4000
that cannot be decoded to unicode in some encoding.
4001
Return None if all non-ascii characters is valid
4004
for i in xrange(128, 256):
4007
char.decode(encoding)
4008
except UnicodeDecodeError:
4013
class _HTTPSServerFeature(Feature):
4014
"""Some tests want an https Server, check if one is available.
4016
Right now, the only way this is available is under python2.6 which provides
4027
def feature_name(self):
4028
return 'HTTPSServer'
4031
HTTPSServerFeature = _HTTPSServerFeature()
4034
class _UnicodeFilename(Feature):
4035
"""Does the filesystem support Unicode filenames?"""
4040
except UnicodeEncodeError:
4042
except (IOError, OSError):
4043
# The filesystem allows the Unicode filename but the file doesn't
4047
# The filesystem allows the Unicode filename and the file exists,
4051
UnicodeFilename = _UnicodeFilename()
4054
class _UTF8Filesystem(Feature):
4055
"""Is the filesystem UTF-8?"""
4058
if osutils._fs_enc.upper() in ('UTF-8', 'UTF8'):
4062
UTF8Filesystem = _UTF8Filesystem()
4065
class _CaseInsCasePresFilenameFeature(Feature):
4066
"""Is the file-system case insensitive, but case-preserving?"""
4069
fileno, name = tempfile.mkstemp(prefix='MixedCase')
4071
# first check truly case-preserving for created files, then check
4072
# case insensitive when opening existing files.
4073
name = osutils.normpath(name)
4074
base, rel = osutils.split(name)
4075
found_rel = osutils.canonical_relpath(base, name)
4076
return (found_rel == rel
4077
and os.path.isfile(name.upper())
4078
and os.path.isfile(name.lower()))
4083
def feature_name(self):
4084
return "case-insensitive case-preserving filesystem"
4086
CaseInsCasePresFilenameFeature = _CaseInsCasePresFilenameFeature()
4089
class _CaseInsensitiveFilesystemFeature(Feature):
4090
"""Check if underlying filesystem is case-insensitive but *not* case
4093
# Note that on Windows, Cygwin, MacOS etc, the file-systems are far
4094
# more likely to be case preserving, so this case is rare.
4097
if CaseInsCasePresFilenameFeature.available():
4100
if TestCaseWithMemoryTransport.TEST_ROOT is None:
4101
root = osutils.mkdtemp(prefix='testbzr-', suffix='.tmp')
4102
TestCaseWithMemoryTransport.TEST_ROOT = root
4104
root = TestCaseWithMemoryTransport.TEST_ROOT
4105
tdir = osutils.mkdtemp(prefix='case-sensitive-probe-', suffix='',
4107
name_a = osutils.pathjoin(tdir, 'a')
4108
name_A = osutils.pathjoin(tdir, 'A')
4110
result = osutils.isdir(name_A)
4111
_rmtree_temp_dir(tdir)
4114
def feature_name(self):
4115
return 'case-insensitive filesystem'
4117
CaseInsensitiveFilesystemFeature = _CaseInsensitiveFilesystemFeature()
4120
class _SubUnitFeature(Feature):
4121
"""Check if subunit is available."""
4130
def feature_name(self):
4133
SubUnitFeature = _SubUnitFeature()
4134
# Only define SubUnitBzrRunner if subunit is available.
4136
from subunit import TestProtocolClient
4138
from subunit.test_results import AutoTimingTestResultDecorator
4140
AutoTimingTestResultDecorator = lambda x:x
4141
class SubUnitBzrRunner(TextTestRunner):
4142
def run(self, test):
4143
result = AutoTimingTestResultDecorator(
4144
TestProtocolClient(self.stream))