#!/usr/bin/env python3
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# Test whether a v5 UNSUBSCRIBE to multiple topics with QoS 2 results in the
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# correct UNSUBACK packet, when one subscription exists and the other does not.
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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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connect_packet = mosq_test.gen_connect("unsubscribe-qos2-test", keepalive=keepalive, proto_ver=5)
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connack_packet = mosq_test.gen_connack(rc=0, proto_ver=5)
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mid = 1
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subscribe_packet = mosq_test.gen_subscribe(mid, "qos2/two", 2, proto_ver=5)
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suback_packet = mosq_test.gen_suback(mid, 2, proto_ver=5)
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mid = 3
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unsubscribe_packet = mosq_test.gen_unsubscribe_multiple(mid, ["qos2/one", "qos2/two"], proto_ver=5)
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unsuback_packet = mosq_test.gen_unsuback(mid, proto_ver=5, reason_code=[17, 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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mosq_test.do_send_receive(sock, subscribe_packet, suback_packet, "suback")
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mosq_test.do_send_receive(sock, unsubscribe_packet, unsuback_packet, "unsuback")
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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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