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#!/usr/bin/env python
#
# This file is part of pySerial - Cross platform serial port support for Python
# (C) 2016 Chris Liechti <cliechti@gmx.net>
#
# SPDX-License-Identifier: BSD-3-Clause
"""\
Test serial.threaded related functionality.
"""
import os
import unittest
import serial
import serial.threaded
import time
# on which port should the tests be performed:
PORT = 'loop://'
class Test_threaded(unittest.TestCase):
"""Test serial.threaded related functionality"""
def test_line_reader(self):
"""simple test of line reader class"""
class TestLines(serial.threaded.LineReader):
def __init__(self):
super(TestLines, self).__init__()
self.received_lines = []
def handle_line(self, data):
self.received_lines.append(data)
ser = serial.serial_for_url(PORT, baudrate=115200, timeout=1)
with serial.threaded.ReaderThread(ser, TestLines) as protocol:
protocol.write_line('hello')
protocol.write_line('world')
time.sleep(1)
self.assertEqual(protocol.received_lines, ['hello', 'world'])
def test_framed_packet(self):
"""simple test of line reader class"""
class TestFramedPacket(serial.threaded.FramedPacket):
def __init__(self):
super(TestFramedPacket, self).__init__()
self.received_packets = []
def handle_packet(self, packet):
self.received_packets.append(packet)
def send_packet(self, packet):
self.transport.write(self.START)
self.transport.write(packet)
self.transport.write(self.STOP)
ser = serial.serial_for_url(PORT, baudrate=115200, timeout=1)
with serial.threaded.ReaderThread(ser, TestFramedPacket) as protocol:
protocol.send_packet(b'1')
protocol.send_packet(b'2')
protocol.send_packet(b'3')
time.sleep(1)
self.assertEqual(protocol.received_packets, [b'1', b'2', b'3'])
if __name__ == '__main__':
import sys
sys.stdout.write(__doc__)
if len(sys.argv) > 1:
PORT = sys.argv[1]
sys.stdout.write("Testing port: {!r}\n".format(PORT))
sys.argv[1:] = ['-v']
# When this module is executed from the command-line, it runs all its tests
unittest.main()
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