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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
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# 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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import bzrlib.trace
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from bzrlib.transport import urlescape
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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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MODULES_TO_TEST = []
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MODULES_TO_DOCTEST = []
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from logging import debug, warning, error
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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.id()).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.id()).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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Error and debug log messages are redirected from their usual
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location into a temporary file, the contents of which can be
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retrieved by _get_log().
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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
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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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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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# this replaces the default testsweet.TestCase; we don't want logging changed
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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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self._enable_file_logging()
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def _enable_file_logging(self):
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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.
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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):
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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):
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raise AssertionError('string %r does not end with %r' % (s, suffix))
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def assertContainsRe(self, haystack, needle_re):
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"""Assert that a contains something matching a regular expression."""
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if not re.search(needle_re, haystack):
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raise AssertionError('pattern "%s" not found in "%s"'
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% (needle_re, haystack))
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def AssertSubset(self, sublist, superlist):
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"""Assert that every entry in sublist is present in superlist."""
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for entry in sublist:
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if entry not in superlist:
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missing.append(entry)
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raise AssertionError("value(s) %r not present in container %r" %
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(missing, superlist))
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def assertTransportMode(self, transport, path, mode):
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"""Fail if a path does not have mode mode.
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If modes are not supported on this platform, the test is skipped.
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if sys.platform == 'win32':
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path_stat = transport.stat(path)
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actual_mode = stat.S_IMODE(path_stat.st_mode)
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self.assertEqual(mode, actual_mode,
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'mode of %r incorrect (%o != %o)' % (path, mode, actual_mode))
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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.
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fileno, name = tempfile.mkstemp(suffix='.log', prefix='testbzr')
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self._log_file = os.fdopen(fileno, 'w+')
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hdlr = logging.StreamHandler(self._log_file)
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hdlr.setLevel(logging.DEBUG)
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hdlr.setFormatter(logging.Formatter('%(levelname)8s %(message)s'))
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logging.getLogger('').addHandler(hdlr)
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logging.getLogger('').setLevel(logging.DEBUG)
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debug('opened log file %s', name)
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encoder, decoder, stream_reader, stream_writer = codecs.lookup('UTF-8')
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self._log_file = stream_writer(os.fdopen(fileno, 'w+'))
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bzrlib.trace.enable_test_log(self._log_file)
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self._log_file_name = name
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logging.getLogger('').removeHandler(self._log_hdlr)
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bzrlib.trace.enable_default_logging()
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logging.debug('%s teardown', self.id())
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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.
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bzrlib.trace.disable_test_log()
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self._log_file.seek(0)
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self._log_contents = self._log_file.read()
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self._log_file.close()
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os.remove(self._log_file_name)
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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.
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Callables are run in the reverse of the order they are registered,
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ie last-in first-out.
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if callable in self._cleanups:
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raise ValueError("cleanup function %r already registered on %s"
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self._cleanups.append(callable)
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def _cleanEnvironment(self):
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'APPDATA': os.getcwd(),
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self.addCleanup(self._restoreEnvironment)
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for name, value in new_env.iteritems():
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self._captureVar(name, value)
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def _captureVar(self, name, newvalue):
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"""Set an environment variable, preparing it to be reset when finished."""
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self.__old_env[name] = os.environ.get(name, None)
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if name in os.environ:
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os.environ[name] = newvalue
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def _restoreVar(name, value):
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if name in os.environ:
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os.environ[name] = value
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def _restoreEnvironment(self):
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for name, value in self.__old_env.iteritems():
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self._restoreVar(name, value)
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unittest.TestCase.tearDown(self)
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def _runCleanups(self):
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"""Run registered cleanup functions.
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This should only be called from TestCase.tearDown.
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# TODO: Perhaps this should keep running cleanups even if
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for cleanup_fn in reversed(self._cleanups):
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def log(self, *args):
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def _get_log(self):
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"""Return as a string the log for this test"""
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return open(self._log_file_name).read()
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if self._log_file_name:
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return open(self._log_file_name).read()
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return self._log_contents
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# TODO: Delete the log after it's been read in
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def capture(self, cmd, retcode=0):
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"""Shortcut that splits cmd into words, runs, and returns stdout"""
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return self.run_bzr_captured(cmd.split(), retcode=retcode)[0]
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def run_bzr_captured(self, argv, retcode=0):
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"""Invoke bzr and return (stdout, stderr).
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Useful for code that wants to check the contents of the
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output, the way error messages are presented, etc.
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This should be the main method for tests that want to exercise the
412
overall behavior of the bzr application (rather than a unit test
413
or a functional test of the library.)
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Much of the old code runs bzr by forking a new copy of Python, but
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that is slower, harder to debug, and generally not necessary.
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This runs bzr through the interface that catches and reports
419
errors, and with logging set to something approximating the
420
default, so that error reporting can be checked.
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argv -- arguments to invoke bzr
423
retcode -- expected return code, or None for don't-care.
427
self.log('run bzr: %s', ' '.join(argv))
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# FIXME: don't call into logging here
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handler = logging.StreamHandler(stderr)
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handler.setFormatter(bzrlib.trace.QuietFormatter())
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handler.setLevel(logging.INFO)
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logger = logging.getLogger('')
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logger.addHandler(handler)
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result = self.apply_redirected(None, stdout, stderr,
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bzrlib.commands.run_bzr_catch_errors,
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logger.removeHandler(handler)
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out = stdout.getvalue()
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err = stderr.getvalue()
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self.log('output:\n%s', out)
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self.log('errors:\n%s', err)
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if retcode is not None:
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self.assertEquals(result, retcode)
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def run_bzr(self, *args, **kwargs):
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"""Invoke bzr, as if it were run from the command line.
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# successfully created
203
TestCaseInTempDir.TEST_ROOT = os.path.abspath(root)
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TestCaseInTempDir.TEST_ROOT = osutils.abspath(root)
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# make a fake bzr directory there to prevent any tests propagating
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# up onto the source directory's real branch
207
os.mkdir(os.path.join(TestCaseInTempDir.TEST_ROOT, '.bzr'))
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os.mkdir(osutils.pathjoin(TestCaseInTempDir.TEST_ROOT, '.bzr'))
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super(TestCaseInTempDir, self).setUp()
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self._make_test_root()
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self._currentdir = os.getcwdu()
214
short_id = self.id().replace('bzrlib.selftest.', '') \
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_currentdir = os.getcwdu()
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short_id = self.id().replace('bzrlib.tests.', '') \
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.replace('__main__.', '')
216
self.test_dir = os.path.join(self.TEST_ROOT, short_id)
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self.test_dir = osutils.pathjoin(self.TEST_ROOT, short_id)
217
572
os.mkdir(self.test_dir)
218
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os.chdir(self.test_dir)
574
os.environ['HOME'] = self.test_dir
575
os.environ['APPDATA'] = self.test_dir
576
def _leaveDirectory():
577
os.chdir(_currentdir)
578
self.addCleanup(_leaveDirectory)
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os.chdir(self._currentdir)
223
super(TestCaseInTempDir, self).tearDown()
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def _formcmd(self, cmd):
226
if isinstance(cmd, basestring):
229
cmd[0] = self.BZRPATH
230
if self.OVERRIDE_PYTHON:
231
cmd.insert(0, self.OVERRIDE_PYTHON)
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self.log('$ %r' % cmd)
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def runcmd(self, cmd, retcode=0):
236
"""Run one command and check the return code.
238
Returns a tuple of (stdout,stderr) strings.
240
If a single string is based, it is split into words.
241
For commands that are not simple space-separated words, please
242
pass a list instead."""
243
cmd = self._formcmd(cmd)
244
self.log('$ ' + ' '.join(cmd))
245
actual_retcode = subprocess.call(cmd, stdout=self._log_file,
246
stderr=self._log_file)
247
if retcode != actual_retcode:
248
raise CommandFailed("test failed: %r returned %d, expected %d"
249
% (cmd, actual_retcode, retcode))
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def backtick(self, cmd, retcode=0):
252
"""Run a command and return its output"""
253
cmd = self._formcmd(cmd)
254
child = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=self._log_file)
255
outd, errd = child.communicate()
257
actual_retcode = child.wait()
259
outd = outd.replace('\r', '')
261
if retcode != actual_retcode:
262
raise CommandFailed("test failed: %r returned %d, expected %d"
263
% (cmd, actual_retcode, retcode))
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def build_tree(self, shape):
580
def build_tree(self, shape, line_endings='native', transport=None):
270
581
"""Build a test tree according to a pattern.
272
583
shape is a sequence of file specifications. If the final
273
584
character is '/', a directory is created.
275
586
This doesn't add anything to a branch.
587
:param line_endings: Either 'binary' or 'native'
588
in binary mode, exact contents are written
589
in native mode, the line endings match the
590
default platform endings.
592
:param transport: A transport to write to, for building trees on
593
VFS's. If the transport is readonly or None,
594
"." is opened automatically.
277
596
# XXX: It's OK to just create them using forward slashes on windows?
597
if transport is None or transport.is_readonly():
598
transport = bzrlib.transport.get_transport(".")
279
599
for name in shape:
280
assert isinstance(name, basestring)
600
self.assert_(isinstance(name, basestring))
281
601
if name[-1] == '/':
602
transport.mkdir(urlescape(name[:-1]))
285
print >>f, "contents of", name
290
class MetaTestLog(TestCase):
291
def test_logging(self):
292
"""Test logs are captured when a test fails."""
293
logging.info('an info message')
294
warning('something looks dodgy...')
295
logging.debug('hello, test is running')
299
def selftest(verbose=False, pattern=".*"):
604
if line_endings == 'binary':
606
elif line_endings == 'native':
609
raise BzrError('Invalid line ending request %r' % (line_endings,))
610
content = "contents of %s%s" % (name, end)
611
transport.put(urlescape(name), StringIO(content))
613
def build_tree_contents(self, shape):
614
build_tree_contents(shape)
616
def failUnlessExists(self, path):
617
"""Fail unless path, which may be abs or relative, exists."""
618
self.failUnless(osutils.lexists(path))
620
def failIfExists(self, path):
621
"""Fail if path, which may be abs or relative, exists."""
622
self.failIf(osutils.lexists(path))
624
def assertFileEqual(self, content, path):
625
"""Fail if path does not contain 'content'."""
626
self.failUnless(osutils.lexists(path))
627
self.assertEqualDiff(content, open(path, 'r').read())
630
def filter_suite_by_re(suite, pattern):
632
filter_re = re.compile(pattern)
633
for test in iter_suite_tests(suite):
634
if filter_re.search(test.id()):
639
def run_suite(suite, name='test', verbose=False, pattern=".*",
640
stop_on_failure=False, keep_output=False):
641
TestCaseInTempDir._TEST_NAME = name
646
runner = TextTestRunner(stream=sys.stdout,
649
runner.stop_on_failure=stop_on_failure
651
suite = filter_suite_by_re(suite, pattern)
652
result = runner.run(suite)
653
# This is still a little bogus,
654
# but only a little. Folk not using our testrunner will
655
# have to delete their temp directories themselves.
656
if result.wasSuccessful() or not keep_output:
657
if TestCaseInTempDir.TEST_ROOT is not None:
658
shutil.rmtree(TestCaseInTempDir.TEST_ROOT)
660
print "Failed tests working directories are in '%s'\n" % TestCaseInTempDir.TEST_ROOT
661
return result.wasSuccessful()
664
def selftest(verbose=False, pattern=".*", stop_on_failure=True,
300
666
"""Run the whole test suite under the enhanced runner"""
301
return testsweet.run_suite(test_suite(), 'testbzr', verbose=verbose, pattern=pattern)
667
return run_suite(test_suite(), 'testbzr', verbose=verbose, pattern=pattern,
668
stop_on_failure=stop_on_failure, keep_output=keep_output)
304
671
def test_suite():
305
672
"""Build and return TestSuite for the whole program."""
306
from bzrlib.selftest.TestUtil import TestLoader, TestSuite
307
import bzrlib, bzrlib.store, bzrlib.inventory, bzrlib.branch
308
import bzrlib.osutils, bzrlib.commands, bzrlib.merge3, bzrlib.plugin
309
673
from doctest import DocTestSuite
315
global MODULES_TO_TEST, MODULES_TO_DOCTEST
318
['bzrlib.selftest.MetaTestLog',
319
'bzrlib.selftest.testinv',
320
'bzrlib.selftest.versioning',
321
'bzrlib.selftest.testmerge3',
322
'bzrlib.selftest.testhashcache',
323
'bzrlib.selftest.teststatus',
324
'bzrlib.selftest.testlog',
325
'bzrlib.selftest.testrevisionnamespaces',
326
'bzrlib.selftest.testbranch',
327
# 'bzrlib.selftest.testrevision',
328
# 'bzrlib.selftest.test_merge_core',
329
'bzrlib.selftest.test_smart_add',
330
'bzrlib.selftest.testdiff',
331
# 'bzrlib.selftest.test_parent',
332
'bzrlib.selftest.test_xml',
333
'bzrlib.selftest.test_weave',
334
# 'bzrlib.selftest.testfetch',
335
# 'bzrlib.selftest.whitebox',
336
'bzrlib.selftest.teststore',
337
# 'bzrlib.selftest.blackbox',
675
global MODULES_TO_DOCTEST
678
'bzrlib.tests.test_ancestry',
679
'bzrlib.tests.test_annotate',
680
'bzrlib.tests.test_api',
681
'bzrlib.tests.test_bad_files',
682
'bzrlib.tests.test_basis_inventory',
683
'bzrlib.tests.test_branch',
684
'bzrlib.tests.test_command',
685
'bzrlib.tests.test_commit',
686
'bzrlib.tests.test_commit_merge',
687
'bzrlib.tests.test_config',
688
'bzrlib.tests.test_conflicts',
689
'bzrlib.tests.test_diff',
690
'bzrlib.tests.test_fetch',
691
'bzrlib.tests.test_fileid_involved',
692
'bzrlib.tests.test_gpg',
693
'bzrlib.tests.test_graph',
694
'bzrlib.tests.test_hashcache',
695
'bzrlib.tests.test_http',
696
'bzrlib.tests.test_identitymap',
697
'bzrlib.tests.test_inv',
698
'bzrlib.tests.test_log',
699
'bzrlib.tests.test_merge',
700
'bzrlib.tests.test_merge3',
701
'bzrlib.tests.test_merge_core',
702
'bzrlib.tests.test_missing',
703
'bzrlib.tests.test_msgeditor',
704
'bzrlib.tests.test_nonascii',
705
'bzrlib.tests.test_options',
706
'bzrlib.tests.test_osutils',
707
'bzrlib.tests.test_parent',
708
'bzrlib.tests.test_permissions',
709
'bzrlib.tests.test_plugins',
710
'bzrlib.tests.test_remove',
711
'bzrlib.tests.test_revision',
712
'bzrlib.tests.test_revisionnamespaces',
713
'bzrlib.tests.test_revprops',
714
'bzrlib.tests.test_reweave',
715
'bzrlib.tests.test_rio',
716
'bzrlib.tests.test_sampler',
717
'bzrlib.tests.test_selftest',
718
'bzrlib.tests.test_setup',
719
'bzrlib.tests.test_sftp_transport',
720
'bzrlib.tests.test_smart_add',
721
'bzrlib.tests.test_source',
722
'bzrlib.tests.test_status',
723
'bzrlib.tests.test_store',
724
'bzrlib.tests.test_symbol_versioning',
725
'bzrlib.tests.test_testament',
726
'bzrlib.tests.test_trace',
727
'bzrlib.tests.test_transactions',
728
'bzrlib.tests.test_transport',
729
'bzrlib.tests.test_tsort',
730
'bzrlib.tests.test_ui',
731
'bzrlib.tests.test_uncommit',
732
'bzrlib.tests.test_upgrade',
733
'bzrlib.tests.test_weave',
734
'bzrlib.tests.test_whitebox',
735
'bzrlib.tests.test_workingtree',
736
'bzrlib.tests.test_xml',
340
for m in (bzrlib.store, bzrlib.inventory, bzrlib.branch,
341
bzrlib.osutils, bzrlib.commands, bzrlib.merge3):
342
if m not in MODULES_TO_DOCTEST:
343
MODULES_TO_DOCTEST.append(m)
345
TestCase.BZRPATH = os.path.join(os.path.realpath(os.path.dirname(bzrlib.__path__[0])), 'bzr')
346
print '%-30s %s' % ('bzr binary', TestCase.BZRPATH)
738
test_transport_implementations = [
739
'bzrlib.tests.test_transport_implementations']
741
TestCase.BZRPATH = osutils.pathjoin(
742
osutils.realpath(osutils.dirname(bzrlib.__path__[0])), 'bzr')
743
print '%10s: %s' % ('bzr', osutils.realpath(sys.argv[0]))
744
print '%10s: %s' % ('bzrlib', bzrlib.__path__[0])
348
746
suite = TestSuite()
349
suite.addTest(TestLoader().loadTestsFromNames(testmod_names))
747
# python2.4's TestLoader.loadTestsFromNames gives very poor
748
# errors if it fails to load a named module - no indication of what's
749
# actually wrong, just "no such module". We should probably override that
750
# class, but for the moment just load them ourselves. (mbp 20051202)
751
loader = TestLoader()
752
from bzrlib.transport import TransportTestProviderAdapter
753
adapter = TransportTestProviderAdapter()
754
for mod_name in test_transport_implementations:
755
mod = _load_module_by_name(mod_name)
756
for test in iter_suite_tests(loader.loadTestsFromModule(mod)):
757
suite.addTests(adapter.adapt(test))
758
for mod_name in testmod_names:
759
mod = _load_module_by_name(mod_name)
760
suite.addTest(loader.loadTestsFromModule(mod))
761
for package in packages_to_test():
762
suite.addTest(package.test_suite())
350
763
for m in MODULES_TO_TEST:
351
suite.addTest(TestLoader().loadTestsFromModule(m))
764
suite.addTest(loader.loadTestsFromModule(m))
352
765
for m in (MODULES_TO_DOCTEST):
353
766
suite.addTest(DocTestSuite(m))
354
for p in bzrlib.plugin.all_plugins:
355
if hasattr(p, 'test_suite'):
356
suite.addTest(p.test_suite())
767
for name, plugin in bzrlib.plugin.all_plugins().items():
768
if hasattr(plugin, 'test_suite'):
769
suite.addTest(plugin.test_suite())
773
def _load_module_by_name(mod_name):
774
parts = mod_name.split('.')
775
module = __import__(mod_name)
777
# for historical reasons python returns the top-level module even though
778
# it loads the submodule; we need to walk down to get the one we want.
780
module = getattr(module, parts.pop(0))
added
removed
bzrlib/tests/__init__.py
