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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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from testsweet import TestBase, run_suite, InTempDir
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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.iterablefile
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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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MODULES_TO_TEST = []
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MODULES_TO_DOCTEST = []
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class BzrTestBase(InTempDir):
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"""bzr-specific test base class"""
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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
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TestCaseInTempDir not TestCase.
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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(). 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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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.
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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 assertIs(self, left, right):
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if not (left is right):
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raise AssertionError("%r is not %r." % (left, right))
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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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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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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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for cleanup_fn in reversed(self._cleanups):
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def log(self, *args):
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"""Return as a string the log for this test"""
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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
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overall behavior of the bzr application (rather than a unit test
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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
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errors, and with logging set to something approximating the
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default, so that error reporting can be checked.
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argv -- arguments to invoke bzr
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retcode -- expected return code, or None for don't-care.
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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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retcode = kwargs.get('retcode', 0)
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self.assertEquals(bzrlib.commands.run_bzr(args), retcode)
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def selftest(verbose=False):
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from unittest import TestLoader, TestSuite
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import bzrlib, bzrlib.store, bzrlib.inventory, bzrlib.branch
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import bzrlib.osutils, bzrlib.commands, bzrlib.merge3, bzrlib.plugin
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"""Invoke bzr, as if it were run from the command line.
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This should be the main method for tests that want to exercise the
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overall behavior of the bzr application (rather than a unit test
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or a functional test of the library.)
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This sends the stdout/stderr results into the test's log,
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where it may be useful for debugging. See also run_captured.
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retcode = kwargs.pop('retcode', 0)
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return self.run_bzr_captured(args, retcode)
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def check_inventory_shape(self, inv, shape):
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"""Compare an inventory to a list of expected names.
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Fail if they are not precisely equal.
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shape = list(shape) # copy
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for path, ie in inv.entries():
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name = path.replace('\\', '/')
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self.fail("expected paths not found in inventory: %r" % shape)
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self.fail("unexpected paths found in inventory: %r" % extras)
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def apply_redirected(self, stdin=None, stdout=None, stderr=None,
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a_callable=None, *args, **kwargs):
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"""Call callable with redirected std io pipes.
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Returns the return code."""
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if not callable(a_callable):
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raise ValueError("a_callable must be callable.")
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if hasattr(self, "_log_file"):
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stdout = self._log_file
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if hasattr(self, "_log_file"):
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stderr = self._log_file
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real_stdin = sys.stdin
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real_stdout = sys.stdout
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real_stderr = sys.stderr
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return a_callable(*args, **kwargs)
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sys.stdout = real_stdout
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sys.stderr = real_stderr
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sys.stdin = real_stdin
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BzrTestBase = TestCase
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class TestCaseInTempDir(TestCase):
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"""Derived class that runs a test within a temporary directory.
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This is useful for tests that need to create a branch, etc.
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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.
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OVERRIDE_PYTHON = 'python'
519
def check_file_contents(self, filename, expect):
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self.log("check contents of file %s" % filename)
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contents = file(filename, 'r').read()
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if contents != expect:
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self.log("expected: %r" % expect)
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self.log("actually: %r" % contents)
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self.fail("contents of %s not as expected" % filename)
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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)
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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
546
os.mkdir(osutils.pathjoin(TestCaseInTempDir.TEST_ROOT, '.bzr'))
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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)
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os.mkdir(self.test_dir)
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os.chdir(self.test_dir)
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os.environ['HOME'] = self.test_dir
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os.environ['APPDATA'] = self.test_dir
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def _leaveDirectory():
560
os.chdir(_currentdir)
561
self.addCleanup(_leaveDirectory)
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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'
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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."""
36
650
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',
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'bzrlib.selftest.testlog',
53
'bzrlib.selftest.blackbox',
54
'bzrlib.selftest.testrevisionnamespaces',
55
'bzrlib.selftest.testbranch',
56
'bzrlib.selftest.testrevision',
58
'bzrlib.selftest.testdiff',
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',
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'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_lockable_files',
675
'bzrlib.tests.test_log',
676
'bzrlib.tests.test_merge',
677
'bzrlib.tests.test_merge3',
678
'bzrlib.tests.test_merge_core',
679
'bzrlib.tests.test_missing',
680
'bzrlib.tests.test_msgeditor',
681
'bzrlib.tests.test_nonascii',
682
'bzrlib.tests.test_options',
683
'bzrlib.tests.test_osutils',
684
'bzrlib.tests.test_parent',
685
'bzrlib.tests.test_permissions',
686
'bzrlib.tests.test_plugins',
687
'bzrlib.tests.test_remove',
688
'bzrlib.tests.test_revision',
689
'bzrlib.tests.test_revisionnamespaces',
690
'bzrlib.tests.test_revprops',
691
'bzrlib.tests.test_reweave',
692
'bzrlib.tests.test_rio',
693
'bzrlib.tests.test_sampler',
694
'bzrlib.tests.test_selftest',
695
'bzrlib.tests.test_setup',
696
'bzrlib.tests.test_sftp_transport',
697
'bzrlib.tests.test_smart_add',
698
'bzrlib.tests.test_source',
699
'bzrlib.tests.test_status',
700
'bzrlib.tests.test_store',
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',
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)
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])
75
720
suite = TestSuite()
77
suite.addTest(TestLoader().loadTestsFromNames(testmod_names))
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())
79
731
for m in MODULES_TO_TEST:
80
suite.addTest(TestLoader().loadTestsFromModule(m))
732
suite.addTest(loader.loadTestsFromModule(m))
82
733
for m in (MODULES_TO_DOCTEST):
83
734
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)
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))
added
removed
bzrlib/tests/__init__.py
