test_sax.py 文件源码

def test_system_id(self):
        # If the source is an InputSource that has neither a character
        # stream nor a byte stream, open the system ID.
        src = InputSource(self.file)
        prep = prepare_input_source(src)
        self.assertIsNone(prep.getCharacterStream())
        self.checkContent(prep.getByteStream(),
                          b"This was read from a file.")