old_contents: #!/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_asyncio(unittest.TestCase):
      """Test asyncio 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')
              time.sleep(1)
              self.assertEqual(protocol.received_lines, ['hello'])
  
  
  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()
  
new_contents: #!/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_asyncio(unittest.TestCase):
      """Test asyncio 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()
  
subject: extend tests for serial.threaded