04-retain-qos0-fresh.py 1.6 KB

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  1. #!/usr/bin/env python3
  2. # Test whether a retained PUBLISH to a topic with QoS 0 is sent with
  3. # retain=false to an already subscribed client.
  4. from mosq_test_helper import *
  5. def do_test(proto_ver):
  6. rc = 1
  7. keepalive = 60
  8. mid = 16
  9. connect_packet = mosq_test.gen_connect("retain-qos0-fresh-test", keepalive=keepalive, proto_ver=proto_ver)
  10. connack_packet = mosq_test.gen_connack(rc=0, proto_ver=proto_ver)
  11. publish_packet = mosq_test.gen_publish("retain/qos0/test", qos=0, payload="retained message", retain=True, proto_ver=proto_ver)
  12. publish_fresh_packet = mosq_test.gen_publish("retain/qos0/test", qos=0, payload="retained message", proto_ver=proto_ver)
  13. subscribe_packet = mosq_test.gen_subscribe(mid, "retain/qos0/test", 0, proto_ver=proto_ver)
  14. suback_packet = mosq_test.gen_suback(mid, 0, proto_ver=proto_ver)
  15. port = mosq_test.get_port()
  16. broker = mosq_test.start_broker(filename=os.path.basename(__file__), port=port)
  17. try:
  18. sock = mosq_test.do_client_connect(connect_packet, connack_packet, port=port)
  19. mosq_test.do_send_receive(sock, subscribe_packet, suback_packet, "suback")
  20. mosq_test.do_send_receive(sock, publish_packet, publish_fresh_packet, "publish")
  21. rc = 0
  22. sock.close()
  23. except mosq_test.TestError:
  24. pass
  25. finally:
  26. broker.terminate()
  27. broker.wait()
  28. (stdo, stde) = broker.communicate()
  29. if rc:
  30. print(stde.decode('utf-8'))
  31. print("proto_ver=%d" % (proto_ver))
  32. exit(rc)
  33. do_test(proto_ver=4)
  34. do_test(proto_ver=5)
  35. exit(0)