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- #!/usr/bin/env python3
- # Test whether a retained PUBLISH to a topic with QoS 0 is actually retained.
- from mosq_test_helper import *
- def do_test(proto_ver):
- rc = 1
- keepalive = 60
- mid = 16
- connect_packet = mosq_test.gen_connect("retain-qos0-test", keepalive=keepalive, proto_ver=proto_ver)
- connack_packet = mosq_test.gen_connack(rc=0, proto_ver=proto_ver)
- publish_packet = mosq_test.gen_publish("retain/qos0/test", qos=0, payload="retained message", retain=True, proto_ver=proto_ver)
- subscribe_packet = mosq_test.gen_subscribe(mid, "retain/qos0/test", 0, proto_ver=proto_ver)
- suback_packet = mosq_test.gen_suback(mid, 0, proto_ver=proto_ver)
- port = mosq_test.get_port()
- broker = mosq_test.start_broker(filename=os.path.basename(__file__), port=port)
- try:
- sock = mosq_test.do_client_connect(connect_packet, connack_packet, port=port)
- sock.send(publish_packet)
- mosq_test.do_send_receive(sock, subscribe_packet, suback_packet, "suback")
- mosq_test.expect_packet(sock, "publish", publish_packet)
- rc = 0
- sock.close()
- except mosq_test.TestError:
- pass
- finally:
- broker.terminate()
- broker.wait()
- (stdo, stde) = broker.communicate()
- 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)
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