test_util.py 文件源码

def test_to_bytes(self):
        self.assertEqual(serial.to_bytes([1, 2, 3]), b'\x01\x02\x03')
        self.assertEqual(serial.to_bytes(b'\x01\x02\x03'), b'\x01\x02\x03')
        self.assertEqual(serial.to_bytes(bytearray([1,2,3])), b'\x01\x02\x03')
        # unicode is not supported test. use decode() instead of u'' syntax to be
        # compatible to Python 3.x < 3.4
        self.assertRaises(TypeError, serial.to_bytes, b'hello'.decode('utf-8'))