Method test

Lib/test/test_argparse.py:2064–2073

(self)

    """

    def test(self):
        parser = argparse.ArgumentParser()
        with self.assertRaises(TypeError) as cm:
            parser.add_argument('-x', type=argparse.FileType)

        self.assertEqual(
            '%r is a FileType class object, instance of it must be passed'
            % (argparse.FileType,),
            str(cm.exception)
        )


class TestTypeCallable(ParserTestCase):