text: #!/usr/bin/env python
  
  # Test whether a SUBSCRIBE to a topic with QoS 1 results in the correct SUBACK packet.
  
  import subprocess
  import socket
  import time
  
  import inspect, os, sys
  # From http://stackoverflow.com/questions/279237/python-import-a-module-from-a-folder
  cmd_subfolder = os.path.realpath(os.path.abspath(os.path.join(os.path.split(inspect.getfile( inspect.currentframe() ))[0],"..")))
  if cmd_subfolder not in sys.path:
      sys.path.insert(0, cmd_subfolder)
  
  import mosq_test
  
  rc = 1
  mid = 79
  keepalive = 60
  connect_packet = mosq_test.gen_connect("subscribe-qos1-test", keepalive=keepalive)
  connack_packet = mosq_test.gen_connack(rc=0)
  
  subscribe_packet = mosq_test.gen_subscribe(mid, "qos1/test", 1)
  suback_packet = mosq_test.gen_suback(mid, 1)
  
  broker = subprocess.Popen(['../../src/mosquitto', '-p', '1888'], stderr=subprocess.PIPE)
  
  try:
      time.sleep(0.5)
  
      sock = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
      sock.connect(("localhost", 1888))
      sock.send(connect_packet)
  
      if mosq_test.expect_packet(sock, "connack", connack_packet):
          sock.send(subscribe_packet)
  
          if mosq_test.expect_packet(sock, "suback", suback_packet):
              rc = 0
  
      sock.close()
  finally:
      broker.terminate()
      broker.wait()
      if rc:
          (stdo, stde) = broker.communicate()
          print(stde)
  
  exit(rc)
  
  