test_connection.py 文件源码

def test_negative_body_length(self, *args):
        c = self.make_connection()
        c._requests = Mock()
        c.defunct = Mock()

        # read in a SupportedMessage response
        header = self.make_header_prefix(SupportedMessage)
        message = header + int32_pack(-13)
        c._iobuf = BytesIO()
        c._iobuf.write(message)
        c.process_io_buffer()

        # make sure it errored correctly
        c.defunct.assert_called_once_with(ANY)
        args, kwargs = c.defunct.call_args
        self.assertIsInstance(args[0], ProtocolError)