#!/usr/bin/env python3
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# Test whether a retained PUBLISH to a topic with QoS 0 is actually retained.
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from mosq_test_helper import *
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rc = 1
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keepalive = 60
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mid = 16
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connect_packet = mosq_test.gen_connect("retain-qos0-test", keepalive=keepalive)
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connack_packet = mosq_test.gen_connack(rc=0)
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publish_packet = mosq_test.gen_publish("retain/qos0/test", qos=0, payload="retained message", retain=True)
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subscribe_packet = mosq_test.gen_subscribe(mid, "retain/qos0/test", 0)
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suback_packet = mosq_test.gen_suback(mid, 0)
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port = mosq_test.get_port()
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broker = mosq_test.start_broker(filename=os.path.basename(__file__), port=port)
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try:
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sock = mosq_test.do_client_connect(connect_packet, connack_packet, port=port)
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sock.send(publish_packet)
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mosq_test.do_send_receive(sock, subscribe_packet, suback_packet, "suback")
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if mosq_test.expect_packet(sock, "publish", publish_packet):
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rc = 0
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sock.close()
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finally:
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broker.terminate()
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broker.wait()
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(stdo, stde) = broker.communicate()
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if rc:
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print(stde.decode('utf-8'))
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exit(rc)
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