04-retain-qos1-qos0.py 1.9 KB

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  1. #!/usr/bin/env python3
  2. # Test whether a retained PUBLISH to a topic with QoS 1 is retained.
  3. # Subscription is made with QoS 0 so the retained message should also have QoS
  4. # 0.
  5. from mosq_test_helper import *
  6. def do_test(proto_ver):
  7. rc = 1
  8. keepalive = 60
  9. connect_packet = mosq_test.gen_connect("retain-qos1-test", keepalive=keepalive, proto_ver=proto_ver)
  10. connack_packet = mosq_test.gen_connack(rc=0, proto_ver=proto_ver)
  11. mid = 6
  12. publish_packet = mosq_test.gen_publish("retain/qos1/test", qos=1, mid=mid, payload="retained message", retain=True, proto_ver=proto_ver)
  13. if proto_ver == 5:
  14. puback_packet = mosq_test.gen_puback(mid, proto_ver=proto_ver, reason_code=mqtt5_rc.MQTT_RC_NO_MATCHING_SUBSCRIBERS)
  15. else:
  16. puback_packet = mosq_test.gen_puback(mid, proto_ver=proto_ver)
  17. mid = 18
  18. subscribe_packet = mosq_test.gen_subscribe(mid, "retain/qos1/test", 0, proto_ver=proto_ver)
  19. suback_packet = mosq_test.gen_suback(mid, 0, proto_ver=proto_ver)
  20. publish0_packet = mosq_test.gen_publish("retain/qos1/test", qos=0, payload="retained message", retain=True, proto_ver=proto_ver)
  21. port = mosq_test.get_port()
  22. broker = mosq_test.start_broker(filename=os.path.basename(__file__), port=port)
  23. try:
  24. sock = mosq_test.do_client_connect(connect_packet, connack_packet, port=port)
  25. mosq_test.do_send_receive(sock, publish_packet, puback_packet, "puback")
  26. mosq_test.do_send_receive(sock, subscribe_packet, suback_packet, "suback")
  27. mosq_test.expect_packet(sock, "publish0", publish0_packet)
  28. rc = 0
  29. sock.close()
  30. except mosq_test.TestError:
  31. pass
  32. finally:
  33. broker.terminate()
  34. broker.wait()
  35. (stdo, stde) = broker.communicate()
  36. if rc:
  37. print(stde.decode('utf-8'))
  38. print("proto_ver=%d" % (proto_ver))
  39. exit(rc)
  40. do_test(proto_ver=4)
  41. do_test(proto_ver=5)
  42. exit(0)