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03-publish-qos1-no-subscribers-v5.py
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03-publish-qos1-no-subscribers-v5.py
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#!/usr/bin/env python3
# Test whether a PUBLISH to a topic with QoS 1 results in the correct PUBACK
# packet when there are no subscribers.
from mosq_test_helper import *
rc = 1
keepalive = 60
connect_packet = mosq_test.gen_connect("pub-qos1-test", keepalive=keepalive, proto_ver=5)
connack_packet = mosq_test.gen_connack(rc=0, proto_ver=5)
mid = 1
publish1_packet = mosq_test.gen_publish("pub", qos=1, mid=mid, payload="message", proto_ver=5)
puback1_packet = mosq_test.gen_puback(mid, proto_ver=5, reason_code=mqtt5_rc.MQTT_RC_NO_MATCHING_SUBSCRIBERS)
mid = 2
publish2_packet = mosq_test.gen_publish("pub/qos1", qos=1, mid=mid, payload="message", proto_ver=5)
puback2_packet = mosq_test.gen_puback(mid, proto_ver=5, reason_code=mqtt5_rc.MQTT_RC_NO_MATCHING_SUBSCRIBERS)
mid = 3
publish3_packet = mosq_test.gen_publish("pub/qos1/test", qos=1, mid=mid, payload="message", proto_ver=5)
puback3_packet = mosq_test.gen_puback(mid, proto_ver=5, reason_code=mqtt5_rc.MQTT_RC_NO_MATCHING_SUBSCRIBERS)
mid = 4
publish4_packet = mosq_test.gen_publish("pub/qos1/test", qos=1, mid=mid, payload="message", proto_ver=5, retain=True)
puback4_packet = mosq_test.gen_puback(mid, proto_ver=5, reason_code=mqtt5_rc.MQTT_RC_NO_MATCHING_SUBSCRIBERS)
mid = 5
publish1b_packet = mosq_test.gen_publish("pub", qos=1, mid=mid, payload="message", proto_ver=5)
puback1b_packet = mosq_test.gen_puback(mid, proto_ver=5, reason_code=mqtt5_rc.MQTT_RC_NO_MATCHING_SUBSCRIBERS)
mid = 6
publish2b_packet = mosq_test.gen_publish("pub/qos1", qos=1, mid=mid, payload="message", proto_ver=5)
puback2b_packet = mosq_test.gen_puback(mid, proto_ver=5, reason_code=mqtt5_rc.MQTT_RC_NO_MATCHING_SUBSCRIBERS)
mid = 7
publish3b_packet = mosq_test.gen_publish("pub/qos1/test", qos=1, mid=mid, payload="message", proto_ver=5)
puback3b_packet = mosq_test.gen_puback(mid, proto_ver=5, reason_code=mqtt5_rc.MQTT_RC_NO_MATCHING_SUBSCRIBERS)
port = mosq_test.get_port()
broker = mosq_test.start_broker(filename=os.path.basename(__file__), port=port)
try:
sock = mosq_test.do_client_connect(connect_packet, connack_packet, port=port)
# None of the pub/qos1/test topic tree exists here
mosq_test.do_send_receive(sock, publish1_packet, puback1_packet, "puback1a")
mosq_test.do_send_receive(sock, publish2_packet, puback2_packet, "puback2a")
mosq_test.do_send_receive(sock, publish3_packet, puback3_packet, "puback3a")
# This publish sets a retained message, which means the topic tree exists
mosq_test.do_send_receive(sock, publish4_packet, puback4_packet, "puback4")
# So now test again
mosq_test.do_send_receive(sock, publish1b_packet, puback1b_packet, "puback1b")
mosq_test.do_send_receive(sock, publish2b_packet, puback2b_packet, "puback2b")
mosq_test.do_send_receive(sock, publish3b_packet, puback3b_packet, "puback3b")
rc = 0
sock.close()
finally:
broker.terminate()
broker.wait()
(stdo, stde) = broker.communicate()
if rc:
print(stde.decode('utf-8'))
exit(rc)