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68 lines
2.3 KiB
Python
68 lines
2.3 KiB
Python
#!/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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# and delivered when multiple sub/unsub operations are carried out.
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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 = 16
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connect_packet = mosq_test.gen_connect("retain-qos0-rep-test", proto_ver=proto_ver)
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connack_packet = mosq_test.gen_connack(rc=0, proto_ver=proto_ver)
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publish_packet = mosq_test.gen_publish("retain/qos0/repeated", qos=0, payload="retained message", retain=True, proto_ver=proto_ver)
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subscribe_packet = mosq_test.gen_subscribe(mid, "retain/qos0/repeated", 0, proto_ver=proto_ver)
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suback_packet = mosq_test.gen_suback(mid, 0, proto_ver=proto_ver)
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unsub_mid = 13
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unsubscribe_packet = mosq_test.gen_unsubscribe(unsub_mid, "retain/qos0/repeated", proto_ver=proto_ver)
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unsuback_packet = mosq_test.gen_unsuback(unsub_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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sock = mosq_test.do_client_connect(connect_packet, connack_packet, timeout=20, 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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mosq_test.expect_packet(sock, "publish", publish_packet)
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mosq_test.do_send_receive(sock, unsubscribe_packet, unsuback_packet, "unsuback")
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mosq_test.do_send_receive(sock, subscribe_packet, suback_packet, "suback")
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mosq_test.expect_packet(sock, "publish", publish_packet)
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rc = 0
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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=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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