test_codeccallbacks.py 文件源码

def test_badandgoodignoreexceptions(self):
        # "ignore" complains about a non-exception passed in
        self.assertRaises(
           TypeError,
           codecs.ignore_errors,
           42
        )
        # "ignore" complains about the wrong exception type
        self.assertRaises(
           TypeError,
           codecs.ignore_errors,
           UnicodeError("ouch")
        )
        # If the correct exception is passed in, "ignore" returns an empty replacement
        self.assertEqual(
            codecs.ignore_errors(
                UnicodeEncodeError("ascii", "a\u3042b", 1, 2, "ouch")),
            ("", 2)
        )
        self.assertEqual(
            codecs.ignore_errors(
                UnicodeDecodeError("ascii", bytearray(b"a\xffb"), 1, 2, "ouch")),
            ("", 2)
        )
        self.assertEqual(
            codecs.ignore_errors(
                UnicodeTranslateError("a\u3042b", 1, 2, "ouch")),
            ("", 2)
        )