text: #!/usr/bin/env python3
  
  # Test whether a client subscribed to a topic receives its own message sent to that topic.
  
  from mosq_test_helper import *
  
  def write_config(filename, port):
      with open(filename, 'w') as f:
          f.write("port %d\n" % (port))
          f.write("allow_anonymous true\n")
          f.write("persistence true\n")
          f.write("persistence_file mosquitto-%d.db\n" % (port))
  
  def do_test(proto_ver):
      port = mosq_test.get_port()
      conf_file = os.path.basename(__file__).replace('.py', '.conf')
      write_config(conf_file, port)
  
      rc = 1
      mid = 530
      keepalive = 60
      connect_packet = mosq_test.gen_connect(
          "persistent-subscription-test", keepalive=keepalive, clean_session=False, proto_ver=proto_ver, session_expiry=60
      )
      connack_packet = mosq_test.gen_connack(rc=0, proto_ver=proto_ver)
      connack_packet2 = mosq_test.gen_connack(rc=0, flags=1, proto_ver=proto_ver)  # session present
  
      subscribe_packet = mosq_test.gen_subscribe(mid, "subpub/qos1", 1, proto_ver=proto_ver)
      suback_packet = mosq_test.gen_suback(mid, 1, proto_ver=proto_ver)
  
      mid = 300
      publish_packet = mosq_test.gen_publish("subpub/qos1", qos=1, mid=mid, payload="message", proto_ver=proto_ver)
      puback_packet = mosq_test.gen_puback(mid, proto_ver=proto_ver)
  
      mid = 1
      publish_packet2 = mosq_test.gen_publish("subpub/qos1", qos=1, mid=mid, payload="message", proto_ver=proto_ver)
  
      if os.path.exists('mosquitto-%d.db' % (port)):
          os.unlink('mosquitto-%d.db' % (port))
  
      broker = mosq_test.start_broker(filename=os.path.basename(__file__), use_conf=True, port=port)
  
      (stdo1, stde1) = ("", "")
      try:
          sock = mosq_test.do_client_connect(connect_packet, connack_packet, timeout=20, port=port)
          mosq_test.do_send_receive(sock, subscribe_packet, suback_packet, "suback")
  
          broker.terminate()
          broker.wait()
          (stdo1, stde1) = broker.communicate()
          sock.close()
          broker = mosq_test.start_broker(filename=os.path.basename(__file__), use_conf=True, port=port)
  
          sock = mosq_test.do_client_connect(connect_packet, connack_packet2, timeout=20, port=port)
  
          sock.send(publish_packet)
          mosq_test.receive_unordered(sock, puback_packet, publish_packet2, "puback/publish2")
          rc = 0
  
          sock.close()
      except mosq_test.TestError:
          pass
      finally:
          os.remove(conf_file)
          broker.terminate()
          broker.wait()
          (stdo, stde) = broker.communicate()
          if os.path.exists('mosquitto-%d.db' % (port)):
              os.unlink('mosquitto-%d.db' % (port))
          if rc:
              print(stde.decode('utf-8'))
              print("proto_ver=%d" % (proto_ver))
              exit(rc)
  
  
  do_test(proto_ver=4)
  do_test(proto_ver=5)
  exit(0)
  
  