1#!/usr/bin/env python 2# 3# This file is part of pySerial - Cross platform serial port support for Python 4# (C) 2016 Chris Liechti <cliechti@gmx.net> 5# 6# SPDX-License-Identifier: BSD-3-Clause 7"""\ 8Tests for utility functions of serualutil. 9""" 10 11import os 12import unittest 13import serial 14 15 16class Test_util(unittest.TestCase): 17 """Test serial utility functions""" 18 19 def test_to_bytes(self): 20 self.assertEqual(serial.to_bytes([1, 2, 3]), b'\x01\x02\x03') 21 self.assertEqual(serial.to_bytes(b'\x01\x02\x03'), b'\x01\x02\x03') 22 self.assertEqual(serial.to_bytes(bytearray([1,2,3])), b'\x01\x02\x03') 23 # unicode is not supported test. use decode() instead of u'' syntax to be 24 # compatible to Python 3.x < 3.4 25 self.assertRaises(TypeError, serial.to_bytes, b'hello'.decode('utf-8')) 26 27 def test_iterbytes(self): 28 self.assertEqual(list(serial.iterbytes(b'\x01\x02\x03')), [b'\x01', b'\x02', b'\x03']) 29 30 31if __name__ == '__main__': 32 import sys 33 sys.stdout.write(__doc__) 34 sys.argv[1:] = ['-v'] 35 # When this module is executed from the command-line, it runs all its tests 36 unittest.main() 37