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 <[email protected]>
5#
6# SPDX-License-Identifier:    BSD-3-Clause
7"""\
8Test serial.threaded related functionality.
9"""
10
11import os
12import unittest
13import serial
14import serial.threaded
15import time
16
17
18# on which port should the tests be performed:
19PORT = 'loop://'
20
21class Test_threaded(unittest.TestCase):
22    """Test serial.threaded related functionality"""
23
24    def test_line_reader(self):
25        """simple test of line reader class"""
26
27        class TestLines(serial.threaded.LineReader):
28            def __init__(self):
29                super(TestLines, self).__init__()
30                self.received_lines = []
31
32            def handle_line(self, data):
33                self.received_lines.append(data)
34
35        ser = serial.serial_for_url(PORT, baudrate=115200, timeout=1)
36        with serial.threaded.ReaderThread(ser, TestLines) as protocol:
37            protocol.write_line('hello')
38            protocol.write_line('world')
39            time.sleep(1)
40            self.assertEqual(protocol.received_lines, ['hello', 'world'])
41
42    def test_framed_packet(self):
43        """simple test of line reader class"""
44
45        class TestFramedPacket(serial.threaded.FramedPacket):
46            def __init__(self):
47                super(TestFramedPacket, self).__init__()
48                self.received_packets = []
49
50            def handle_packet(self, packet):
51                self.received_packets.append(packet)
52
53            def send_packet(self, packet):
54                self.transport.write(self.START)
55                self.transport.write(packet)
56                self.transport.write(self.STOP)
57
58        ser = serial.serial_for_url(PORT, baudrate=115200, timeout=1)
59        with serial.threaded.ReaderThread(ser, TestFramedPacket) as protocol:
60            protocol.send_packet(b'1')
61            protocol.send_packet(b'2')
62            protocol.send_packet(b'3')
63            time.sleep(1)
64            self.assertEqual(protocol.received_packets, [b'1', b'2', b'3'])
65
66
67if __name__ == '__main__':
68    import sys
69    sys.stdout.write(__doc__)
70    if len(sys.argv) > 1:
71        PORT = sys.argv[1]
72    sys.stdout.write("Testing port: {!r}\n".format(PORT))
73    sys.argv[1:] = ['-v']
74    # When this module is executed from the command-line, it runs all its tests
75    unittest.main()
76