test_case.py 文件源码

def test_failureException__subclassing__explicit_raise(self):
        events = []
        result = LoggingResult(events)

        class Foo(unittest.TestCase):
            def test(self):
                raise RuntimeError()

            failureException = RuntimeError

        self.assertIs(Foo('test').failureException, RuntimeError)


        Foo('test').run(result)
        expected = ['startTest', 'addFailure', 'stopTest']
        self.assertEqual(events, expected)

    # "This class attribute gives the exception raised by the test() method.
    # If a test framework needs to use a specialized exception, possibly to
    # carry additional information, it must subclass this exception in
    # order to ``play fair'' with the framework."
    #
    # Make sure TestCase.run() respects the designated failureException