from functools import wraps
def inner(self, *args, **kw):
if getattr(self, 'failfast', False):
return method(self, *args, **kw)
STDOUT_LINE = '\nStdout:\n%s'
STDERR_LINE = '\nStderr:\n%s'
class TestResult(object):
"""Holder for test result information.
Test results are automatically managed by the TestCase and TestSuite
classes, and do not need to be explicitly manipulated by writers of tests.
Each instance holds the total number of tests run, and collections of
failures and errors that occurred among those test runs. The collections
contain tuples of (testcase, exceptioninfo), where exceptioninfo is the
formatted traceback of the error that occurred.
_previousTestClass = None
_moduleSetUpFailed = False
def __init__(self, stream=None, descriptions=None, verbosity=None):
self.expectedFailures = []
self.unexpectedSuccesses = []
self._stdout_buffer = None
self._stderr_buffer = None
self._original_stdout = sys.stdout
self._original_stderr = sys.stderr
self._mirrorOutput = False
"Called by TestRunner after test run"
def startTest(self, test):
"Called when the given test is about to be run"
self._mirrorOutput = False
if self._stderr_buffer is None:
self._stderr_buffer = io.StringIO()
self._stdout_buffer = io.StringIO()
sys.stdout = self._stdout_buffer
sys.stderr = self._stderr_buffer
"""Called once before any tests are executed.
See startTest for a method called before each test.
def stopTest(self, test):
"""Called when the given test has been run"""
self._mirrorOutput = False
def _restoreStdout(self):
output = sys.stdout.getvalue()
error = sys.stderr.getvalue()
if not output.endswith('\n'):
self._original_stdout.write(STDOUT_LINE % output)
if not error.endswith('\n'):
self._original_stderr.write(STDERR_LINE % error)
sys.stdout = self._original_stdout
sys.stderr = self._original_stderr
self._stdout_buffer.seek(0)
self._stdout_buffer.truncate()
self._stderr_buffer.seek(0)
self._stderr_buffer.truncate()
"""Called once after all tests are executed.
See stopTest for a method called after each test.
def addError(self, test, err):
"""Called when an error has occurred. 'err' is a tuple of values as
returned by sys.exc_info().
self.errors.append((test, self._exc_info_to_string(err, test)))
self._mirrorOutput = True
def addFailure(self, test, err):
"""Called when an error has occurred. 'err' is a tuple of values as
returned by sys.exc_info()."""
self.failures.append((test, self._exc_info_to_string(err, test)))
self._mirrorOutput = True
def addSubTest(self, test, subtest, err):
"""Called at the end of a subtest.
'err' is None if the subtest ended successfully, otherwise it's a
tuple of values as returned by sys.exc_info().
# By default, we don't do anything with successful subtests, but
# more sophisticated test results might want to record them.
if getattr(self, 'failfast', False):
if issubclass(err[0], test.failureException):
errors.append((subtest, self._exc_info_to_string(err, test)))
self._mirrorOutput = True
def addSuccess(self, test):
"Called when a test has completed successfully"
def addSkip(self, test, reason):
"""Called when a test is skipped."""
self.skipped.append((test, reason))
def addExpectedFailure(self, test, err):
"""Called when an expected failure/error occurred."""
self.expectedFailures.append(
(test, self._exc_info_to_string(err, test)))
def addUnexpectedSuccess(self, test):
"""Called when a test was expected to fail, but succeed."""
self.unexpectedSuccesses.append(test)
"""Tells whether or not this result was a success."""
# The hasattr check is for test_result's OldResult test. That
# way this method works on objects that lack the attribute.
# (where would such result intances come from? old stored pickles?)
return ((len(self.failures) == len(self.errors) == 0) and
(not hasattr(self, 'unexpectedSuccesses') or
len(self.unexpectedSuccesses) == 0))
"""Indicates that the tests should be aborted."""
def _exc_info_to_string(self, err, test):
"""Converts a sys.exc_info()-style tuple of values into a string."""
# Skip test runner traceback levels
while tb and self._is_relevant_tb_level(tb):
if exctype is test.failureException:
# Skip assert*() traceback levels
length = self._count_relevant_tb_levels(tb)
tb_e = traceback.TracebackException(
exctype, value, tb, limit=length, capture_locals=self.tb_locals)
msgLines = list(tb_e.format())
output = sys.stdout.getvalue()
error = sys.stderr.getvalue()
if not output.endswith('\n'):
msgLines.append(STDOUT_LINE % output)
if not error.endswith('\n'):
msgLines.append(STDERR_LINE % error)
def _is_relevant_tb_level(self, tb):
return '__unittest' in tb.tb_frame.f_globals
def _count_relevant_tb_levels(self, tb):
while tb and not self._is_relevant_tb_level(tb):
return ("<%s run=%i errors=%i failures=%i>" %
(util.strclass(self.__class__), self.testsRun, len(self.errors),
It is recommended that you Edit text format, this type of Fix handles quite a lot in one request
