test_url.py 文件源码

def test_custom_url(self):
        """custom protocol handlers"""
        # it's unknown
        self.assertRaises(ValueError, serial.serial_for_url, "test://")
        # add search path
        serial.protocol_handler_packages.append('handlers')
        # now it should work
        serial.serial_for_url("test://")
        # remove our handler again
        serial.protocol_handler_packages.remove('handlers')
        # so it should not work anymore
        self.assertRaises(ValueError, serial.serial_for_url, "test://")