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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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# 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
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# this is the case. However, we want behaviour under to test to diverge as
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# little as possible, so this should be used rarely if it's added at all.
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# (Suggestion from j-a-meinel, 2005-11-24)
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from cStringIO import StringIO
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import bzrlib.commands
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from bzrlib.errors import BzrError
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import bzrlib.inventory
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import bzrlib.osutils as osutils
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from bzrlib.trace import mutter
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from bzrlib.tests.TestUtil import TestLoader, TestSuite
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from bzrlib.tests.treeshape import build_tree_contents
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from testsweet import TestBase, run_suite, InTempDir
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MODULES_TO_TEST = []
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MODULES_TO_DOCTEST = [
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def packages_to_test():
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import bzrlib.tests.blackbox
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class EarlyStoppingTestResultAdapter(object):
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"""An adapter for TestResult to stop at the first first failure or error"""
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def __init__(self, result):
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def addError(self, test, err):
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self._result.addError(test, err)
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def addFailure(self, test, err):
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self._result.addFailure(test, err)
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def __getattr__(self, name):
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return getattr(self._result, name)
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def __setattr__(self, name, value):
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object.__setattr__(self, name, value)
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return setattr(self._result, name, value)
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class _MyResult(unittest._TextTestResult):
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Shows output in a different format, including displaying runtime for tests.
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def _elapsedTime(self):
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return "%5dms" % (1000 * (time.time() - self._start_time))
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def startTest(self, test):
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unittest.TestResult.startTest(self, test)
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# In a short description, the important words are in
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# the beginning, but in an id, the important words are
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SHOW_DESCRIPTIONS = False
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width = osutils.terminal_width()
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name_width = width - 15
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if SHOW_DESCRIPTIONS:
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what = test.shortDescription()
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if len(what) > name_width:
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what = what[:name_width-3] + '...'
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if what.startswith('bzrlib.tests.'):
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if len(what) > name_width:
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what = '...' + what[3-name_width:]
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what = what.ljust(name_width)
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self.stream.write(what)
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self._start_time = time.time()
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def addError(self, test, err):
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if isinstance(err[1], TestSkipped):
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return self.addSkipped(test, err)
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unittest.TestResult.addError(self, test, err)
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self.stream.writeln("ERROR %s" % self._elapsedTime())
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self.stream.write('E')
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def addFailure(self, test, err):
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unittest.TestResult.addFailure(self, test, err)
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self.stream.writeln(" FAIL %s" % self._elapsedTime())
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self.stream.write('F')
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def addSuccess(self, test):
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self.stream.writeln(' OK %s' % self._elapsedTime())
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self.stream.write('~')
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unittest.TestResult.addSuccess(self, test)
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def addSkipped(self, test, skip_excinfo):
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print >>self.stream, ' SKIP %s' % self._elapsedTime()
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print >>self.stream, ' %s' % skip_excinfo[1]
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self.stream.write('S')
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# seems best to treat this as success from point-of-view of unittest
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# -- it actually does nothing so it barely matters :)
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unittest.TestResult.addSuccess(self, test)
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def printErrorList(self, flavour, errors):
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for test, err in errors:
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self.stream.writeln(self.separator1)
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self.stream.writeln("%s: %s" % (flavour,self.getDescription(test)))
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if hasattr(test, '_get_log'):
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print >>self.stream, \
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('vvvv[log from %s]' % test).ljust(78,'-')
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print >>self.stream, test._get_log()
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print >>self.stream, \
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('^^^^[log from %s]' % test).ljust(78,'-')
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self.stream.writeln(self.separator2)
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self.stream.writeln("%s" % err)
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class TextTestRunner(unittest.TextTestRunner):
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stop_on_failure = False
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def _makeResult(self):
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result = _MyResult(self.stream, self.descriptions, self.verbosity)
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if self.stop_on_failure:
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result = EarlyStoppingTestResultAdapter(result)
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def iter_suite_tests(suite):
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"""Return all tests in a suite, recursing through nested suites"""
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for item in suite._tests:
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if isinstance(item, unittest.TestCase):
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elif isinstance(item, unittest.TestSuite):
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for r in iter_suite_tests(item):
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raise Exception('unknown object %r inside test suite %r'
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class TestSkipped(Exception):
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"""Indicates that a test was intentionally skipped, rather than failing."""
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class CommandFailed(Exception):
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class TestCase(unittest.TestCase):
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"""Base class for bzr unit tests.
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Tests that need access to disk resources should subclass
213
TestCaseInTempDir not TestCase.
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Error and debug log messages are redirected from their usual
216
location into a temporary file, the contents of which can be
217
retrieved by _get_log(). We use a real OS file, not an in-memory object,
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so that it can also capture file IO. When the test completes this file
219
is read into memory and removed from disk.
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There are also convenience functions to invoke bzr's command-line
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routine, and to build and check bzr trees.
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In addition to the usual method of overriding tearDown(), this class also
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allows subclasses to register functions into the _cleanups list, which is
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run in order as the object is torn down. It's less likely this will be
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accidentally overlooked.
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_log_file_name = None
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unittest.TestCase.setUp(self)
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self._cleanEnvironment()
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bzrlib.trace.disable_default_logging()
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def _ndiff_strings(self, a, b):
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"""Return ndiff between two strings containing lines.
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A trailing newline is added if missing to make the strings
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if b and b[-1] != '\n':
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if a and a[-1] != '\n':
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difflines = difflib.ndiff(a.splitlines(True),
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linejunk=lambda x: False,
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charjunk=lambda x: False)
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return ''.join(difflines)
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def assertEqualDiff(self, a, b):
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"""Assert two texts are equal, if not raise an exception.
259
This is intended for use with multi-line strings where it can
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be hard to find the differences by eye.
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# TODO: perhaps override assertEquals to call this for strings?
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raise AssertionError("texts not equal:\n" +
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self._ndiff_strings(a, b))
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def assertStartsWith(self, s, prefix):
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if not s.startswith(prefix):
270
raise AssertionError('string %r does not start with %r' % (s, prefix))
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def assertEndsWith(self, s, suffix):
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if not s.endswith(prefix):
274
raise AssertionError('string %r does not end with %r' % (s, suffix))
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def assertContainsRe(self, haystack, needle_re):
277
"""Assert that a contains something matching a regular expression."""
278
if not re.search(needle_re, haystack):
279
raise AssertionError('pattern "%s" not found in "%s"'
280
% (needle_re, haystack))
282
def AssertSubset(self, sublist, superlist):
283
"""Assert that every entry in sublist is present in superlist."""
285
for entry in sublist:
286
if entry not in superlist:
287
missing.append(entry)
289
raise AssertionError("value(s) %r not present in container %r" %
290
(missing, superlist))
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def _startLogFile(self):
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"""Send bzr and test log messages to a temporary file.
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The file is removed as the test is torn down.
297
fileno, name = tempfile.mkstemp(suffix='.log', prefix='testbzr')
298
encoder, decoder, stream_reader, stream_writer = codecs.lookup('UTF-8')
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self._log_file = stream_writer(os.fdopen(fileno, 'w+'))
300
bzrlib.trace.enable_test_log(self._log_file)
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self._log_file_name = name
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self.addCleanup(self._finishLogFile)
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def _finishLogFile(self):
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"""Finished with the log file.
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Read contents into memory, close, and delete.
309
bzrlib.trace.disable_test_log()
310
self._log_file.seek(0)
311
self._log_contents = self._log_file.read()
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self._log_file.close()
313
os.remove(self._log_file_name)
314
self._log_file = self._log_file_name = None
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def addCleanup(self, callable):
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"""Arrange to run a callable when this case is torn down.
319
Callables are run in the reverse of the order they are registered,
320
ie last-in first-out.
322
if callable in self._cleanups:
323
raise ValueError("cleanup function %r already registered on %s"
325
self._cleanups.append(callable)
327
def _cleanEnvironment(self):
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'APPDATA': os.getcwd(),
335
self.addCleanup(self._restoreEnvironment)
336
for name, value in new_env.iteritems():
337
self._captureVar(name, value)
340
def _captureVar(self, name, newvalue):
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"""Set an environment variable, preparing it to be reset when finished."""
342
self.__old_env[name] = os.environ.get(name, None)
344
if name in os.environ:
347
os.environ[name] = newvalue
350
def _restoreVar(name, value):
352
if name in os.environ:
355
os.environ[name] = value
357
def _restoreEnvironment(self):
358
for name, value in self.__old_env.iteritems():
359
self._restoreVar(name, value)
363
unittest.TestCase.tearDown(self)
365
def _runCleanups(self):
366
"""Run registered cleanup functions.
368
This should only be called from TestCase.tearDown.
370
for cleanup_fn in reversed(self._cleanups):
373
def log(self, *args):
377
"""Return as a string the log for this test"""
378
if self._log_file_name:
379
return open(self._log_file_name).read()
381
return self._log_contents
382
# TODO: Delete the log after it's been read in
384
def capture(self, cmd, retcode=0):
385
"""Shortcut that splits cmd into words, runs, and returns stdout"""
386
return self.run_bzr_captured(cmd.split(), retcode=retcode)[0]
388
def run_bzr_captured(self, argv, retcode=0):
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"""Invoke bzr and return (stdout, stderr).
391
Useful for code that wants to check the contents of the
392
output, the way error messages are presented, etc.
394
This should be the main method for tests that want to exercise the
395
overall behavior of the bzr application (rather than a unit test
396
or a functional test of the library.)
398
Much of the old code runs bzr by forking a new copy of Python, but
399
that is slower, harder to debug, and generally not necessary.
401
This runs bzr through the interface that catches and reports
402
errors, and with logging set to something approximating the
403
default, so that error reporting can be checked.
405
argv -- arguments to invoke bzr
406
retcode -- expected return code, or None for don't-care.
410
self.log('run bzr: %s', ' '.join(argv))
411
# FIXME: don't call into logging here
412
handler = logging.StreamHandler(stderr)
413
handler.setFormatter(bzrlib.trace.QuietFormatter())
414
handler.setLevel(logging.INFO)
415
logger = logging.getLogger('')
416
logger.addHandler(handler)
418
result = self.apply_redirected(None, stdout, stderr,
419
bzrlib.commands.run_bzr_catch_errors,
422
logger.removeHandler(handler)
423
out = stdout.getvalue()
424
err = stderr.getvalue()
426
self.log('output:\n%s', out)
428
self.log('errors:\n%s', err)
429
if retcode is not None:
430
self.assertEquals(result, retcode)
433
def run_bzr(self, *args, **kwargs):
434
"""Invoke bzr, as if it were run from the command line.
436
This should be the main method for tests that want to exercise the
437
overall behavior of the bzr application (rather than a unit test
438
or a functional test of the library.)
440
This sends the stdout/stderr results into the test's log,
441
where it may be useful for debugging. See also run_captured.
443
retcode = kwargs.pop('retcode', 0)
444
return self.run_bzr_captured(args, retcode)
446
def check_inventory_shape(self, inv, shape):
447
"""Compare an inventory to a list of expected names.
449
Fail if they are not precisely equal.
452
shape = list(shape) # copy
453
for path, ie in inv.entries():
454
name = path.replace('\\', '/')
462
self.fail("expected paths not found in inventory: %r" % shape)
464
self.fail("unexpected paths found in inventory: %r" % extras)
466
def apply_redirected(self, stdin=None, stdout=None, stderr=None,
467
a_callable=None, *args, **kwargs):
468
"""Call callable with redirected std io pipes.
470
Returns the return code."""
471
if not callable(a_callable):
472
raise ValueError("a_callable must be callable.")
476
if hasattr(self, "_log_file"):
477
stdout = self._log_file
481
if hasattr(self, "_log_file"):
482
stderr = self._log_file
485
real_stdin = sys.stdin
486
real_stdout = sys.stdout
487
real_stderr = sys.stderr
492
return a_callable(*args, **kwargs)
494
sys.stdout = real_stdout
495
sys.stderr = real_stderr
496
sys.stdin = real_stdin
499
BzrTestBase = TestCase
502
class TestCaseInTempDir(TestCase):
503
"""Derived class that runs a test within a temporary directory.
505
This is useful for tests that need to create a branch, etc.
507
The directory is created in a slightly complex way: for each
508
Python invocation, a new temporary top-level directory is created.
509
All test cases create their own directory within that. If the
510
tests complete successfully, the directory is removed.
512
InTempDir is an old alias for FunctionalTestCase.
517
OVERRIDE_PYTHON = 'python'
519
def check_file_contents(self, filename, expect):
520
self.log("check contents of file %s" % filename)
521
contents = file(filename, 'r').read()
522
if contents != expect:
523
self.log("expected: %r" % expect)
524
self.log("actually: %r" % contents)
525
self.fail("contents of %s not as expected" % filename)
527
def _make_test_root(self):
528
if TestCaseInTempDir.TEST_ROOT is not None:
532
root = u'test%04d.tmp' % i
536
if e.errno == errno.EEXIST:
541
# successfully created
542
TestCaseInTempDir.TEST_ROOT = osutils.abspath(root)
544
# make a fake bzr directory there to prevent any tests propagating
545
# up onto the source directory's real branch
546
os.mkdir(osutils.pathjoin(TestCaseInTempDir.TEST_ROOT, '.bzr'))
549
super(TestCaseInTempDir, self).setUp()
550
self._make_test_root()
551
_currentdir = os.getcwdu()
552
short_id = self.id().replace('bzrlib.tests.', '') \
553
.replace('__main__.', '')
554
self.test_dir = osutils.pathjoin(self.TEST_ROOT, short_id)
555
os.mkdir(self.test_dir)
556
os.chdir(self.test_dir)
557
os.environ['HOME'] = self.test_dir
558
os.environ['APPDATA'] = self.test_dir
559
def _leaveDirectory():
560
os.chdir(_currentdir)
561
self.addCleanup(_leaveDirectory)
563
def build_tree(self, shape, line_endings='native'):
564
"""Build a test tree according to a pattern.
566
shape is a sequence of file specifications. If the final
567
character is '/', a directory is created.
569
This doesn't add anything to a branch.
570
:param line_endings: Either 'binary' or 'native'
571
in binary mode, exact contents are written
572
in native mode, the line endings match the
573
default platform endings.
575
# XXX: It's OK to just create them using forward slashes on windows?
577
self.assert_(isinstance(name, basestring))
581
if line_endings == 'binary':
583
elif line_endings == 'native':
586
raise BzrError('Invalid line ending request %r' % (line_endings,))
587
print >>f, "contents of", name
590
def build_tree_contents(self, shape):
591
build_tree_contents(shape)
593
def failUnlessExists(self, path):
594
"""Fail unless path, which may be abs or relative, exists."""
595
self.failUnless(osutils.lexists(path))
597
def failIfExists(self, path):
598
"""Fail if path, which may be abs or relative, exists."""
599
self.failIf(osutils.lexists(path))
601
def assertFileEqual(self, content, path):
602
"""Fail if path does not contain 'content'."""
603
self.failUnless(osutils.lexists(path))
604
self.assertEqualDiff(content, open(path, 'r').read())
607
def filter_suite_by_re(suite, pattern):
609
filter_re = re.compile(pattern)
610
for test in iter_suite_tests(suite):
611
if filter_re.search(test.id()):
616
def run_suite(suite, name='test', verbose=False, pattern=".*",
617
stop_on_failure=False, keep_output=False):
618
TestCaseInTempDir._TEST_NAME = name
623
runner = TextTestRunner(stream=sys.stdout,
626
runner.stop_on_failure=stop_on_failure
628
suite = filter_suite_by_re(suite, pattern)
629
result = runner.run(suite)
630
# This is still a little bogus,
631
# but only a little. Folk not using our testrunner will
632
# have to delete their temp directories themselves.
633
if result.wasSuccessful() or not keep_output:
634
if TestCaseInTempDir.TEST_ROOT is not None:
635
shutil.rmtree(TestCaseInTempDir.TEST_ROOT)
637
print "Failed tests working directories are in '%s'\n" % TestCaseInTempDir.TEST_ROOT
638
return result.wasSuccessful()
641
def selftest(verbose=False, pattern=".*", stop_on_failure=True,
643
"""Run the whole test suite under the enhanced runner"""
644
return run_suite(test_suite(), 'testbzr', verbose=verbose, pattern=pattern,
645
stop_on_failure=stop_on_failure, keep_output=keep_output)
649
"""Build and return TestSuite for the whole program."""
21
MODULES_TO_DOCTEST = []
24
from unittest import TestLoader, TestSuite
25
import bzrlib, bzrlib.store, bzrlib.inventory, bzrlib.branch
26
import bzrlib.osutils, bzrlib.commands, bzrlib.merge3
27
global MODULES_TO_TEST, MODULES_TO_DOCTEST
29
import bzrlib.selftest.whitebox
30
import bzrlib.selftest.blackbox
31
import bzrlib.selftest.versioning
32
import bzrlib.selftest.testmerge3
33
import bzrlib.selftest.testhashcache
34
import bzrlib.merge_core
650
35
from doctest import DocTestSuite
652
global MODULES_TO_DOCTEST
655
'bzrlib.tests.test_ancestry',
656
'bzrlib.tests.test_annotate',
657
'bzrlib.tests.test_api',
658
'bzrlib.tests.test_bad_files',
659
'bzrlib.tests.test_basis_inventory',
660
'bzrlib.tests.test_branch',
661
'bzrlib.tests.test_command',
662
'bzrlib.tests.test_commit',
663
'bzrlib.tests.test_commit_merge',
664
'bzrlib.tests.test_config',
665
'bzrlib.tests.test_conflicts',
666
'bzrlib.tests.test_diff',
667
'bzrlib.tests.test_fetch',
668
'bzrlib.tests.test_gpg',
669
'bzrlib.tests.test_graph',
670
'bzrlib.tests.test_hashcache',
671
'bzrlib.tests.test_http',
672
'bzrlib.tests.test_identitymap',
673
'bzrlib.tests.test_inv',
674
'bzrlib.tests.test_log',
675
'bzrlib.tests.test_merge',
676
'bzrlib.tests.test_merge3',
677
'bzrlib.tests.test_merge_core',
678
'bzrlib.tests.test_missing',
679
'bzrlib.tests.test_msgeditor',
680
'bzrlib.tests.test_nonascii',
681
'bzrlib.tests.test_options',
682
'bzrlib.tests.test_osutils',
683
'bzrlib.tests.test_parent',
684
'bzrlib.tests.test_permissions',
685
'bzrlib.tests.test_plugins',
686
'bzrlib.tests.test_remove',
687
'bzrlib.tests.test_revision',
688
'bzrlib.tests.test_revisionnamespaces',
689
'bzrlib.tests.test_revprops',
690
'bzrlib.tests.test_reweave',
691
'bzrlib.tests.test_rio',
692
'bzrlib.tests.test_sampler',
693
'bzrlib.tests.test_selftest',
694
'bzrlib.tests.test_setup',
695
'bzrlib.tests.test_sftp_transport',
696
'bzrlib.tests.test_smart_add',
697
'bzrlib.tests.test_source',
698
'bzrlib.tests.test_status',
699
'bzrlib.tests.test_store',
700
'bzrlib.tests.test_symbol_versioning',
701
'bzrlib.tests.test_testament',
702
'bzrlib.tests.test_trace',
703
'bzrlib.tests.test_transactions',
704
'bzrlib.tests.test_transport',
705
'bzrlib.tests.test_tsort',
706
'bzrlib.tests.test_ui',
707
'bzrlib.tests.test_uncommit',
708
'bzrlib.tests.test_upgrade',
709
'bzrlib.tests.test_weave',
710
'bzrlib.tests.test_whitebox',
711
'bzrlib.tests.test_workingtree',
712
'bzrlib.tests.test_xml',
715
TestCase.BZRPATH = osutils.pathjoin(
716
osutils.realpath(osutils.dirname(bzrlib.__path__[0])), 'bzr')
717
print '%10s: %s' % ('bzr', osutils.realpath(sys.argv[0]))
718
print '%10s: %s' % ('bzrlib', bzrlib.__path__[0])
42
for m in (bzrlib.store, bzrlib.inventory, bzrlib.branch,
43
bzrlib.osutils, bzrlib.commands, bzrlib.merge3):
44
if m not in MODULES_TO_DOCTEST:
45
MODULES_TO_DOCTEST.append(m)
47
for m in (bzrlib.selftest.whitebox,
48
bzrlib.selftest.versioning,
49
bzrlib.selftest.testmerge3,
50
bzrlib.selftest.testhashcache,
51
bzrlib.selftest.blackbox):
52
if m not in MODULES_TO_TEST:
53
MODULES_TO_TEST.append(m)
56
TestBase.BZRPATH = os.path.join(os.path.realpath(os.path.dirname(bzrlib.__path__[0])), 'bzr')
57
print '%-30s %s' % ('bzr binary', TestBase.BZRPATH)
720
61
suite = TestSuite()
721
# python2.4's TestLoader.loadTestsFromNames gives very poor
722
# errors if it fails to load a named module - no indication of what's
723
# actually wrong, just "no such module". We should probably override that
724
# class, but for the moment just load them ourselves. (mbp 20051202)
725
loader = TestLoader()
726
for mod_name in testmod_names:
727
mod = _load_module_by_name(mod_name)
728
suite.addTest(loader.loadTestsFromModule(mod))
729
for package in packages_to_test():
730
suite.addTest(package.test_suite())
63
# should also test bzrlib.merge_core, but they seem to be out of date with
67
# XXX: python2.3's TestLoader() doesn't seem to find all the
68
# tests; don't know why
731
69
for m in MODULES_TO_TEST:
732
suite.addTest(loader.loadTestsFromModule(m))
70
suite.addTest(TestLoader().loadTestsFromModule(m))
733
72
for m in (MODULES_TO_DOCTEST):
734
73
suite.addTest(DocTestSuite(m))
735
for name, plugin in bzrlib.plugin.all_plugins().items():
736
if hasattr(plugin, 'test_suite'):
737
suite.addTest(plugin.test_suite())
741
def _load_module_by_name(mod_name):
742
parts = mod_name.split('.')
743
module = __import__(mod_name)
745
# for historical reasons python returns the top-level module even though
746
# it loads the submodule; we need to walk down to get the one we want.
748
module = getattr(module, parts.pop(0))
75
# for cl in (bzrlib.selftest.whitebox.TEST_CLASSES
76
# + bzrlib.selftest.versioning.TEST_CLASSES
77
# + bzrlib.selftest.testmerge3.TEST_CLASSES
78
# + bzrlib.selftest.testhashcache.TEST_CLASSES
79
# + bzrlib.selftest.blackbox.TEST_CLASSES):
82
suite.addTest(unittest.makeSuite(bzrlib.merge_core.MergeTest, 'test_'))
84
return run_suite(suite, 'testbzr')