mosquitto/test/broker/04-retain-qos0-fresh.py
Roger A. Light 02f6f52fdc
Test: Start of big refactor
Add new MosquittoBroker class to remove test boilerplate.

This only handles non-config cases so far.
2026-05-13 19:38:00 +01:00

32 lines
1.4 KiB
Python
Executable file

#!/usr/bin/env python3
# Test whether a retained PUBLISH to a topic with QoS 0 is sent with
# retain=false to an already subscribed client.
from mosq_test_helper import *
def do_test(proto_ver):
mid = 16
connect_packet = mqtt_packets.gen_connect("retain-qos0-fresh", proto_ver=proto_ver)
connack_packet = mqtt_packets.gen_connack(rc=0, proto_ver=proto_ver)
publish_packet = mqtt_packets.gen_publish("retain/qos0/fresh", qos=0, payload="retained message", retain=True, proto_ver=proto_ver)
publish_fresh_packet = mqtt_packets.gen_publish("retain/qos0/fresh", qos=0, payload="retained message", proto_ver=proto_ver)
subscribe_packet = mqtt_packets.gen_subscribe(mid, "retain/qos0/fresh", 0, proto_ver=proto_ver)
suback_packet = mqtt_packets.gen_suback(mid, 0, proto_ver=proto_ver)
publish_packet_clear = mqtt_packets.gen_publish("retain/qos0/fresh", qos=0, payload=None, retain=True, proto_ver=proto_ver)
port = mosq_test.get_port()
broker = MosquittoBroker(port=port)
with broker:
sock = mosq_test.do_client_connect(connect_packet, connack_packet, port=port)
mosq_test.do_send_receive(sock, subscribe_packet, suback_packet, "suback")
mosq_test.do_send_receive(sock, publish_packet, publish_fresh_packet, "publish")
sock.send(publish_packet_clear)
sock.close()
if __name__ == '__main__':
do_test(proto_ver=4)
do_test(proto_ver=5)