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101 lines
3.9 KiB
Python
101 lines
3.9 KiB
Python
#!/usr/bin/env python3
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from mosq_test_helper import *
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def do_test(start_broker, proto_ver):
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rc = 1
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mid = 3265
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connect_packet = mosq_test.gen_connect("03-c2b-qos2-disco-test", clean_session=False, proto_ver=proto_ver, session_expiry=60)
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connack1_packet = mosq_test.gen_connack(flags=0, rc=0, proto_ver=proto_ver)
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connect_packet_clear = mosq_test.gen_connect("03-c2b-qos2-disco-test", proto_ver=proto_ver)
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if proto_ver == 3:
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connack2_packet = mosq_test.gen_connack(flags=0, rc=0, proto_ver=proto_ver)
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else:
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connack2_packet = mosq_test.gen_connack(flags=1, rc=0, proto_ver=proto_ver)
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helper_connect_packet = mosq_test.gen_connect("03-c2b-qos2-disco-helper", clean_session=True, proto_ver=proto_ver)
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helper_connack_packet = mosq_test.gen_connack(flags=0, rc=0, proto_ver=proto_ver)
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subscribe_packet = mosq_test.gen_subscribe(mid, "03/c2b/qos2/disconnect/test", 2, proto_ver=proto_ver)
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suback_packet = mosq_test.gen_suback(mid, 2, proto_ver=proto_ver)
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mid = 1
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publish_packet = mosq_test.gen_publish("03/c2b/qos2/disconnect/test", qos=2, mid=mid, payload="disconnect-message", proto_ver=proto_ver)
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publish_dup_packet = mosq_test.gen_publish("03/c2b/qos2/disconnect/test", qos=2, mid=mid, payload="disconnect-message", dup=True, proto_ver=proto_ver)
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pubrec_packet = mosq_test.gen_pubrec(mid, proto_ver=proto_ver)
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pubrel_packet = mosq_test.gen_pubrel(mid, proto_ver=proto_ver)
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if proto_ver == 3:
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pubrel_dup_packet = mosq_test.gen_pubrel(mid, dup=True, proto_ver=proto_ver)
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else:
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pubrel_dup_packet = mosq_test.gen_pubrel(mid, dup=False, proto_ver=proto_ver)
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pubcomp_packet = mosq_test.gen_pubcomp(mid, proto_ver=proto_ver)
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port = mosq_test.get_port()
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if start_broker:
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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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# Add a subscriber, so we ensure that the QoS 2 flow must be completed
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helper = mosq_test.do_client_connect(helper_connect_packet, helper_connack_packet, port=port)
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mosq_test.do_send_receive(helper, subscribe_packet, suback_packet)
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sock = mosq_test.do_client_connect(connect_packet, connack1_packet, port=port)
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mosq_test.do_send_receive(sock, publish_packet, pubrec_packet, "pubrec")
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# We're now going to disconnect and pretend we didn't receive the pubrec.
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sock.close()
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sock = mosq_test.do_client_connect(connect_packet, connack2_packet, port=port, connack_error="connack 2")
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sock.send(publish_dup_packet)
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mosq_test.expect_packet(sock, "pubrec", pubrec_packet)
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mosq_test.do_send_receive(sock, pubrel_packet, pubcomp_packet, "pubcomp")
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# Again, pretend we didn't receive this pubcomp
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sock.close()
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sock = mosq_test.do_client_connect(connect_packet, connack2_packet, port=port)
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mosq_test.do_send_receive(sock, pubrel_dup_packet, pubcomp_packet, "pubcomp")
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rc = 0
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sock.close()
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helper.close()
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# Clear session
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sock = mosq_test.do_client_connect(connect_packet_clear, connack1_packet, port=port, connack_error="connack clear")
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sock.close()
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except mosq_test.TestError:
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pass
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finally:
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if start_broker:
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broker.terminate()
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if mosq_test.wait_for_subprocess(broker):
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print("broker not terminated")
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if rc == 0: rc=1
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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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print("proto_ver=%d" % (proto_ver))
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exit(rc)
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else:
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return rc
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def all_tests(start_broker=False):
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rc = do_test(start_broker, proto_ver=3)
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if rc:
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return rc;
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rc = do_test(start_broker, proto_ver=4)
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if rc:
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return rc;
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rc = do_test(start_broker, proto_ver=5)
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if rc:
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return rc;
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return 0
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if __name__ == '__main__':
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all_tests(True)
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