mirror of
https://github.com/eclipse-mosquitto/mosquitto.git
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71 lines
3.6 KiB
Python
Executable file
71 lines
3.6 KiB
Python
Executable file
#!/usr/bin/env python3
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# Test whether a PUBLISH to a topic with QoS 1 results in the correct packet flow for a subscriber.
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# With max_inflight_messages set to 1
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from mosq_test_helper import *
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from broker_config import BrokerConfig
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def do_test(proto_ver):
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properties = mqtt5_props.gen_uint32_prop(mqtt5_props.SESSION_EXPIRY_INTERVAL, 1000)
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sub_connect_packet = mqtt_packets.gen_connect("sub", properties=properties, proto_ver=proto_ver, clean_session=False)
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properties = mqtt5_props.gen_uint16_prop(mqtt5_props.TOPIC_ALIAS_MAXIMUM, 10) \
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+ mqtt5_props.gen_uint32_prop(mqtt5_props.MAXIMUM_PACKET_SIZE, 2000000) \
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+ mqtt5_props.gen_uint16_prop(mqtt5_props.RECEIVE_MAXIMUM, 1)
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sub_connack_packet = mqtt_packets.gen_connack(rc=0, proto_ver=proto_ver, properties=properties, property_helper=False)
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sub_connack_packet2 = mqtt_packets.gen_connack(rc=0, flags=1, proto_ver=proto_ver, properties=properties, property_helper=False)
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mid = 1
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subscribe_packet = mqtt_packets.gen_subscribe(mid, "pub/qos1/test", 1, proto_ver=proto_ver)
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suback_packet = mqtt_packets.gen_suback(mid, 1, proto_ver=proto_ver)
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connect_packet = mqtt_packets.gen_connect("pub-qos1-test", proto_ver=proto_ver)
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properties = mqtt5_props.gen_uint16_prop(mqtt5_props.TOPIC_ALIAS_MAXIMUM, 10) \
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+ mqtt5_props.gen_uint32_prop(mqtt5_props.MAXIMUM_PACKET_SIZE, 2000000) \
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+ mqtt5_props.gen_uint16_prop(mqtt5_props.RECEIVE_MAXIMUM, 1)
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connack_packet = mqtt_packets.gen_connack(rc=0, proto_ver=proto_ver, properties=properties, property_helper=False)
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mid = 311
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properties = mqtt5_props.gen_uint32_prop(mqtt5_props.MESSAGE_EXPIRY_INTERVAL, 1)
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publish_packet = mqtt_packets.gen_publish("pub/qos1/test", qos=1, mid=mid, payload="message", proto_ver=proto_ver, properties=properties)
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puback_packet = mqtt_packets.gen_puback(mid, proto_ver=proto_ver)
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mid = 1
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r_publish_packet = mqtt_packets.gen_publish("pub/qos1/test", qos=1, mid=mid, payload="message", proto_ver=proto_ver)
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r_puback_packet = mqtt_packets.gen_puback(mid, proto_ver=proto_ver)
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port = mosq_test.get_port()
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broker_config = BrokerConfig(max_inflight_messages=1)
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broker = MosquittoBroker(port=port, config=broker_config)
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with broker:
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sub_sock = mosq_test.do_client_connect(sub_connect_packet, sub_connack_packet, port=port, timeout=10)
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mosq_test.do_send_receive(sub_sock, subscribe_packet, suback_packet, "suback")
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sub_sock.close()
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sock = mosq_test.do_client_connect(connect_packet, connack_packet, port=port, timeout=10)
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mosq_test.do_send_receive(sock, publish_packet, puback_packet, "puback")
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time.sleep(2)
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sub_sock = mosq_test.do_client_connect(sub_connect_packet, sub_connack_packet2, port=port, timeout=10)
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# This message has expired, so we don't expect it
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#mosq_test.expect_packet(sub_sock, "publish 2", r_publish_packet)
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#sub_sock.send(r_puback_packet)
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#
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mid = 1
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s_publish_packet = mqtt_packets.gen_publish("pub/qos1/test", qos=1, mid=mid, payload="message2", proto_ver=proto_ver)
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s_puback_packet = mqtt_packets.gen_puback(mid, proto_ver=proto_ver)
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mosq_test.do_send_receive(sock, s_publish_packet, s_puback_packet, "puback")
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mid = 2
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r_publish_packet = mqtt_packets.gen_publish("pub/qos1/test", qos=1, mid=mid, payload="message2", proto_ver=proto_ver)
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r_puback_packet = mqtt_packets.gen_puback(mid, proto_ver=proto_ver)
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mosq_test.expect_packet(sub_sock, "publish 3", r_publish_packet)
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sub_sock.send(r_puback_packet)
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do_test(proto_ver=5)
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