test_skipping.py 文件源码

def test_expected_failure_subtests(self):
        # A failure in any subtest counts as the expected failure of the
        # whole test.
        class Foo(unittest.TestCase):
            @unittest.expectedFailure
            def test_die(self):
                with self.subTest():
                    # This one succeeds
                    pass
                with self.subTest():
                    self.fail("help me!")
                with self.subTest():
                    # This one doesn't get executed
                    self.fail("shouldn't come here")
        events = []
        result = LoggingResult(events)
        test = Foo("test_die")
        test.run(result)
        self.assertEqual(events,
                         ['startTest', 'addSubTestSuccess',
                          'addExpectedFailure', 'stopTest'])
        self.assertEqual(len(result.expectedFailures), 1)
        self.assertIs(result.expectedFailures[0][0], test)
        self.assertTrue(result.wasSuccessful())