#!/usr/bin/env python3 # Test whether a retained PUBLISH to a topic with QoS 1 is retained. # Subscription is made with QoS 0 so the retained message should also have QoS # 0. from mosq_test_helper import * def do_test(proto_ver): rc = 1 keepalive = 60 connect_packet = mosq_test.gen_connect("retain-qos1-test", keepalive=keepalive, proto_ver=proto_ver) connack_packet = mosq_test.gen_connack(rc=0, proto_ver=proto_ver) mid = 6 publish_packet = mosq_test.gen_publish("retain/qos1/test", qos=1, mid=mid, payload="retained message", retain=True, proto_ver=proto_ver) if proto_ver == 5: puback_packet = mosq_test.gen_puback(mid, proto_ver=proto_ver, reason_code=mqtt5_rc.MQTT_RC_NO_MATCHING_SUBSCRIBERS) else: puback_packet = mosq_test.gen_puback(mid, proto_ver=proto_ver) mid = 18 subscribe_packet = mosq_test.gen_subscribe(mid, "retain/qos1/test", 0, proto_ver=proto_ver) suback_packet = mosq_test.gen_suback(mid, 0, proto_ver=proto_ver) publish0_packet = mosq_test.gen_publish("retain/qos1/test", qos=0, payload="retained message", retain=True, 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) mosq_test.do_send_receive(sock, publish_packet, puback_packet, "puback") mosq_test.do_send_receive(sock, subscribe_packet, suback_packet, "suback") mosq_test.expect_packet(sock, "publish0", publish0_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)