1
# Copyright (C) 2005 by Canonical Ltd
3
# This program is free software; you can redistribute it and/or modify
4
# it under the terms of the GNU General Public License as published by
5
# the Free Software Foundation; either version 2 of the License, or
6
# (at your option) any later version.
8
# This program is distributed in the hope that it will be useful,
9
# but WITHOUT ANY WARRANTY; without even the implied warranty of
10
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11
# GNU General Public License for more details.
13
# You should have received a copy of the GNU General Public License
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 cStringIO import StringIO
30
import bzrlib.commands
33
import bzrlib.osutils as osutils
34
from bzrlib.selftest import TestUtil
35
from bzrlib.selftest.TestUtil import TestLoader, TestSuite
36
from bzrlib.selftest.treeshape import build_tree_contents
39
MODULES_TO_DOCTEST = []
41
from logging import debug, warning, error
44
class EarlyStoppingTestResultAdapter(object):
45
"""An adapter for TestResult to stop at the first first failure or error"""
47
def __init__(self, result):
50
def addError(self, test, err):
51
self._result.addError(test, err)
54
def addFailure(self, test, err):
55
self._result.addFailure(test, err)
58
def __getattr__(self, name):
59
return getattr(self._result, name)
61
def __setattr__(self, name, value):
63
object.__setattr__(self, name, value)
64
return setattr(self._result, name, value)
67
class _MyResult(unittest._TextTestResult):
71
No special behaviour for now.
74
def _elapsedTime(self):
75
return "(Took %.3fs)" % (time.time() - self._start_time)
77
def startTest(self, test):
78
unittest.TestResult.startTest(self, test)
79
# TODO: Maybe show test.shortDescription somewhere?
80
what = test.shortDescription() or test.id()
82
self.stream.write('%-70.70s' % what)
84
self._start_time = time.time()
86
def addError(self, test, err):
87
unittest.TestResult.addError(self, test, err)
89
self.stream.writeln("ERROR %s" % self._elapsedTime())
91
self.stream.write('E')
94
def addFailure(self, test, err):
95
unittest.TestResult.addFailure(self, test, err)
97
self.stream.writeln("FAIL %s" % self._elapsedTime())
99
self.stream.write('F')
102
def addSuccess(self, test):
104
self.stream.writeln('OK %s' % self._elapsedTime())
106
self.stream.write('~')
108
unittest.TestResult.addSuccess(self, test)
110
def printErrorList(self, flavour, errors):
111
for test, err in errors:
112
self.stream.writeln(self.separator1)
113
self.stream.writeln("%s: %s" % (flavour,self.getDescription(test)))
114
if hasattr(test, '_get_log'):
115
self.stream.writeln()
116
self.stream.writeln('log from this test:')
117
print >>self.stream, test._get_log()
118
self.stream.writeln(self.separator2)
119
self.stream.writeln("%s" % err)
122
class TextTestRunner(unittest.TextTestRunner):
123
stop_on_failure = False
125
def _makeResult(self):
126
result = _MyResult(self.stream, self.descriptions, self.verbosity)
127
if self.stop_on_failure:
128
result = EarlyStoppingTestResultAdapter(result)
132
def iter_suite_tests(suite):
133
"""Return all tests in a suite, recursing through nested suites"""
134
for item in suite._tests:
135
if isinstance(item, unittest.TestCase):
137
elif isinstance(item, unittest.TestSuite):
138
for r in iter_suite_tests(item):
141
raise Exception('unknown object %r inside test suite %r'
145
class TestSkipped(Exception):
146
"""Indicates that a test was intentionally skipped, rather than failing."""
150
class CommandFailed(Exception):
153
class TestCase(unittest.TestCase):
154
"""Base class for bzr unit tests.
156
Tests that need access to disk resources should subclass
157
TestCaseInTempDir not TestCase.
159
Error and debug log messages are redirected from their usual
160
location into a temporary file, the contents of which can be
161
retrieved by _get_log(). We use a real OS file, not an in-memory object,
162
so that it can also capture file IO. When the test completes this file
163
is read into memory and removed from disk.
165
There are also convenience functions to invoke bzr's command-line
166
routine, and to build and check bzr trees.
168
In addition to the usual method of overriding tearDown(), this class also
169
allows subclasses to register functions into the _cleanups list, which is
170
run in order as the object is torn down. It's less likely this will be
171
accidentally overlooked.
175
_log_file_name = None
179
unittest.TestCase.setUp(self)
181
self._cleanEnvironment()
182
bzrlib.trace.disable_default_logging()
185
def _ndiff_strings(self, a, b):
186
"""Return ndiff between two strings containing lines.
188
A trailing newline is added if missing to make the strings
190
if b and b[-1] != '\n':
192
if a and a[-1] != '\n':
194
difflines = difflib.ndiff(a.splitlines(True),
196
linejunk=lambda x: False,
197
charjunk=lambda x: False)
198
return ''.join(difflines)
200
def assertEqualDiff(self, a, b):
201
"""Assert two texts are equal, if not raise an exception.
203
This is intended for use with multi-line strings where it can
204
be hard to find the differences by eye.
206
# TODO: perhaps override assertEquals to call this for strings?
209
raise AssertionError("texts not equal:\n" +
210
self._ndiff_strings(a, b))
212
def assertContainsRe(self, haystack, needle_re):
213
"""Assert that a contains something matching a regular expression."""
214
if not re.search(needle_re, haystack):
215
raise AssertionError('pattern "%s" not found in "%s"'
216
% (needle_re, haystack))
218
def _startLogFile(self):
219
"""Send bzr and test log messages to a temporary file.
221
The file is removed as the test is torn down.
223
fileno, name = tempfile.mkstemp(suffix='.log', prefix='testbzr')
224
self._log_file = os.fdopen(fileno, 'w+')
225
hdlr = logging.StreamHandler(self._log_file)
226
hdlr.setLevel(logging.DEBUG)
227
hdlr.setFormatter(logging.Formatter('%(levelname)8s %(message)s'))
228
logging.getLogger('').addHandler(hdlr)
229
logging.getLogger('').setLevel(logging.DEBUG)
230
self._log_hdlr = hdlr
231
debug('opened log file %s', name)
232
self._log_file_name = name
233
self.addCleanup(self._finishLogFile)
235
def _finishLogFile(self):
236
"""Finished with the log file.
238
Read contents into memory, close, and delete.
240
self._log_file.seek(0)
241
self._log_contents = self._log_file.read()
242
self._log_file.close()
243
os.remove(self._log_file_name)
244
self._log_file = self._log_file_name = None
246
def addCleanup(self, callable):
247
"""Arrange to run a callable when this case is torn down.
249
Callables are run in the reverse of the order they are registered,
250
ie last-in first-out.
252
if callable in self._cleanups:
253
raise ValueError("cleanup function %r already registered on %s"
255
self._cleanups.append(callable)
257
def _cleanEnvironment(self):
258
self.oldenv = os.environ.get('HOME', None)
259
os.environ['HOME'] = os.getcwd()
260
self.bzr_email = os.environ.get('BZREMAIL')
261
if self.bzr_email is not None:
262
del os.environ['BZREMAIL']
263
self.email = os.environ.get('EMAIL')
264
if self.email is not None:
265
del os.environ['EMAIL']
266
self.addCleanup(self._restoreEnvironment)
268
def _restoreEnvironment(self):
269
os.environ['HOME'] = self.oldenv
270
if os.environ.get('BZREMAIL') is not None:
271
del os.environ['BZREMAIL']
272
if self.bzr_email is not None:
273
os.environ['BZREMAIL'] = self.bzr_email
274
if os.environ.get('EMAIL') is not None:
275
del os.environ['EMAIL']
276
if self.email is not None:
277
os.environ['EMAIL'] = self.email
280
logging.getLogger('').removeHandler(self._log_hdlr)
281
bzrlib.trace.enable_default_logging()
282
logging.debug('%s teardown', self.id())
284
unittest.TestCase.tearDown(self)
286
def _runCleanups(self):
287
"""Run registered cleanup functions.
289
This should only be called from TestCase.tearDown.
291
for callable in reversed(self._cleanups):
294
def log(self, *args):
298
"""Return as a string the log for this test"""
299
if self._log_file_name:
300
return open(self._log_file_name).read()
302
return self._log_contents
304
def capture(self, cmd, retcode=0):
305
"""Shortcut that splits cmd into words, runs, and returns stdout"""
306
return self.run_bzr_captured(cmd.split(), retcode=retcode)[0]
308
def run_bzr_captured(self, argv, retcode=0):
309
"""Invoke bzr and return (stdout, stderr).
311
Useful for code that wants to check the contents of the
312
output, the way error messages are presented, etc.
314
This should be the main method for tests that want to exercise the
315
overall behavior of the bzr application (rather than a unit test
316
or a functional test of the library.)
318
Much of the old code runs bzr by forking a new copy of Python, but
319
that is slower, harder to debug, and generally not necessary.
321
This runs bzr through the interface that catches and reports
322
errors, and with logging set to something approximating the
323
default, so that error reporting can be checked.
325
argv -- arguments to invoke bzr
326
retcode -- expected return code, or None for don't-care.
330
self.log('run bzr: %s', ' '.join(argv))
331
handler = logging.StreamHandler(stderr)
332
handler.setFormatter(bzrlib.trace.QuietFormatter())
333
handler.setLevel(logging.INFO)
334
logger = logging.getLogger('')
335
logger.addHandler(handler)
337
result = self.apply_redirected(None, stdout, stderr,
338
bzrlib.commands.run_bzr_catch_errors,
341
logger.removeHandler(handler)
342
out = stdout.getvalue()
343
err = stderr.getvalue()
345
self.log('output:\n%s', out)
347
self.log('errors:\n%s', err)
348
if retcode is not None:
349
self.assertEquals(result, retcode)
352
def run_bzr(self, *args, **kwargs):
353
"""Invoke bzr, as if it were run from the command line.
355
This should be the main method for tests that want to exercise the
356
overall behavior of the bzr application (rather than a unit test
357
or a functional test of the library.)
359
This sends the stdout/stderr results into the test's log,
360
where it may be useful for debugging. See also run_captured.
362
retcode = kwargs.pop('retcode', 0)
363
return self.run_bzr_captured(args, retcode)
365
def check_inventory_shape(self, inv, shape):
366
"""Compare an inventory to a list of expected names.
368
Fail if they are not precisely equal.
371
shape = list(shape) # copy
372
for path, ie in inv.entries():
373
name = path.replace('\\', '/')
381
self.fail("expected paths not found in inventory: %r" % shape)
383
self.fail("unexpected paths found in inventory: %r" % extras)
385
def apply_redirected(self, stdin=None, stdout=None, stderr=None,
386
a_callable=None, *args, **kwargs):
387
"""Call callable with redirected std io pipes.
389
Returns the return code."""
390
if not callable(a_callable):
391
raise ValueError("a_callable must be callable.")
395
if hasattr(self, "_log_file"):
396
stdout = self._log_file
400
if hasattr(self, "_log_file"):
401
stderr = self._log_file
404
real_stdin = sys.stdin
405
real_stdout = sys.stdout
406
real_stderr = sys.stderr
411
return a_callable(*args, **kwargs)
413
sys.stdout = real_stdout
414
sys.stderr = real_stderr
415
sys.stdin = real_stdin
418
BzrTestBase = TestCase
421
class TestCaseInTempDir(TestCase):
422
"""Derived class that runs a test within a temporary directory.
424
This is useful for tests that need to create a branch, etc.
426
The directory is created in a slightly complex way: for each
427
Python invocation, a new temporary top-level directory is created.
428
All test cases create their own directory within that. If the
429
tests complete successfully, the directory is removed.
431
InTempDir is an old alias for FunctionalTestCase.
436
OVERRIDE_PYTHON = 'python'
438
def check_file_contents(self, filename, expect):
439
self.log("check contents of file %s" % filename)
440
contents = file(filename, 'r').read()
441
if contents != expect:
442
self.log("expected: %r" % expect)
443
self.log("actually: %r" % contents)
444
self.fail("contents of %s not as expected" % filename)
446
def _make_test_root(self):
447
if TestCaseInTempDir.TEST_ROOT is not None:
451
root = 'test%04d.tmp' % i
455
if e.errno == errno.EEXIST:
460
# successfully created
461
TestCaseInTempDir.TEST_ROOT = os.path.abspath(root)
463
# make a fake bzr directory there to prevent any tests propagating
464
# up onto the source directory's real branch
465
os.mkdir(os.path.join(TestCaseInTempDir.TEST_ROOT, '.bzr'))
468
super(TestCaseInTempDir, self).setUp()
469
self._make_test_root()
470
_currentdir = os.getcwdu()
471
short_id = self.id().replace('bzrlib.selftest.', '') \
472
.replace('__main__.', '')
473
self.test_dir = os.path.join(self.TEST_ROOT, short_id)
474
os.mkdir(self.test_dir)
475
os.chdir(self.test_dir)
476
os.environ['HOME'] = self.test_dir
477
def _leaveDirectory():
478
os.chdir(_currentdir)
479
self.addCleanup(_leaveDirectory)
481
def build_tree(self, shape):
482
"""Build a test tree according to a pattern.
484
shape is a sequence of file specifications. If the final
485
character is '/', a directory is created.
487
This doesn't add anything to a branch.
489
# XXX: It's OK to just create them using forward slashes on windows?
491
assert isinstance(name, basestring)
496
print >>f, "contents of", name
499
def build_tree_contents(self, shape):
500
bzrlib.selftest.build_tree_contents(shape)
502
def failUnlessExists(self, path):
503
"""Fail unless path, which may be abs or relative, exists."""
504
self.failUnless(osutils.lexists(path))
506
def assertFileEqual(self, content, path):
507
"""Fail if path does not contain 'content'."""
508
self.failUnless(osutils.lexists(path))
509
self.assertEqualDiff(content, open(path, 'r').read())
512
class MetaTestLog(TestCase):
513
def test_logging(self):
514
"""Test logs are captured when a test fails."""
515
logging.info('an info message')
516
warning('something looks dodgy...')
517
logging.debug('hello, test is running')
521
def filter_suite_by_re(suite, pattern):
522
result = TestUtil.TestSuite()
523
filter_re = re.compile(pattern)
524
for test in iter_suite_tests(suite):
525
if filter_re.search(test.id()):
530
def run_suite(suite, name='test', verbose=False, pattern=".*",
531
stop_on_failure=False):
532
TestCaseInTempDir._TEST_NAME = name
537
runner = TextTestRunner(stream=sys.stdout,
540
runner.stop_on_failure=stop_on_failure
542
suite = filter_suite_by_re(suite, pattern)
543
result = runner.run(suite)
544
# This is still a little bogus,
545
# but only a little. Folk not using our testrunner will
546
# have to delete their temp directories themselves.
547
if result.wasSuccessful():
548
if TestCaseInTempDir.TEST_ROOT is not None:
549
shutil.rmtree(TestCaseInTempDir.TEST_ROOT)
551
print "Failed tests working directories are in '%s'\n" % TestCaseInTempDir.TEST_ROOT
552
return result.wasSuccessful()
555
def selftest(verbose=False, pattern=".*", stop_on_failure=True):
556
"""Run the whole test suite under the enhanced runner"""
557
return run_suite(test_suite(), 'testbzr', verbose=verbose, pattern=pattern,
558
stop_on_failure=stop_on_failure)
562
"""Build and return TestSuite for the whole program."""
563
import bzrlib.store, bzrlib.inventory, bzrlib.branch
564
import bzrlib.osutils, bzrlib.merge3, bzrlib.plugin
565
from doctest import DocTestSuite
567
global MODULES_TO_TEST, MODULES_TO_DOCTEST
570
['bzrlib.selftest.MetaTestLog',
571
'bzrlib.selftest.testapi',
572
'bzrlib.selftest.testgpg',
573
'bzrlib.selftest.testidentitymap',
574
'bzrlib.selftest.testinv',
575
'bzrlib.selftest.test_ancestry',
576
'bzrlib.selftest.test_commit',
577
'bzrlib.selftest.test_command',
578
'bzrlib.selftest.test_commit_merge',
579
'bzrlib.selftest.testconfig',
580
'bzrlib.selftest.versioning',
581
'bzrlib.selftest.testmerge3',
582
'bzrlib.selftest.testmerge',
583
'bzrlib.selftest.testhashcache',
584
'bzrlib.selftest.teststatus',
585
'bzrlib.selftest.testlog',
586
'bzrlib.selftest.testrevisionnamespaces',
587
'bzrlib.selftest.testbranch',
588
'bzrlib.selftest.testrevision',
589
'bzrlib.selftest.test_revision_info',
590
'bzrlib.selftest.test_merge_core',
591
'bzrlib.selftest.test_smart_add',
592
'bzrlib.selftest.test_bad_files',
593
'bzrlib.selftest.testdiff',
594
'bzrlib.selftest.test_parent',
595
'bzrlib.selftest.test_xml',
596
'bzrlib.selftest.test_weave',
597
'bzrlib.selftest.testfetch',
598
'bzrlib.selftest.whitebox',
599
'bzrlib.selftest.teststore',
600
'bzrlib.selftest.blackbox',
601
'bzrlib.selftest.testsampler',
602
'bzrlib.selftest.testtransactions',
603
'bzrlib.selftest.testtransport',
604
'bzrlib.selftest.testsftp',
605
'bzrlib.selftest.testgraph',
606
'bzrlib.selftest.testworkingtree',
607
'bzrlib.selftest.test_upgrade',
608
'bzrlib.selftest.test_conflicts',
609
'bzrlib.selftest.testtestament',
610
'bzrlib.selftest.testannotate',
611
'bzrlib.selftest.testrevprops',
612
'bzrlib.selftest.testoptions',
613
'bzrlib.selftest.testhttp',
614
'bzrlib.selftest.testnonascii',
615
'bzrlib.selftest.testreweave',
616
'bzrlib.selftest.testtsort',
619
for m in (bzrlib.store, bzrlib.inventory, bzrlib.branch,
620
bzrlib.osutils, bzrlib.commands, bzrlib.merge3,
623
if m not in MODULES_TO_DOCTEST:
624
MODULES_TO_DOCTEST.append(m)
626
TestCase.BZRPATH = os.path.join(os.path.realpath(os.path.dirname(bzrlib.__path__[0])), 'bzr')
627
print '%-30s %s' % ('bzr binary', TestCase.BZRPATH)
630
suite.addTest(TestLoader().loadTestsFromNames(testmod_names))
631
for m in MODULES_TO_TEST:
632
suite.addTest(TestLoader().loadTestsFromModule(m))
633
for m in (MODULES_TO_DOCTEST):
634
suite.addTest(DocTestSuite(m))
635
for p in bzrlib.plugin.all_plugins:
636
if hasattr(p, 'test_suite'):
637
suite.addTest(p.test_suite())
added
removed
bzrlib/selftest/__init__.py
