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mosquitto/test/broker/03-publish-qos2-reuse-mid.py

63 lines
2.4 KiB
Python

#!/usr/bin/env python3
# Test what happens if a client reuses an in-use mid with a different message.
from mosq_test_helper import *
def do_test(proto_ver):
rc = 1
connect_packet = mosq_test.gen_connect("pub-qos2-test", proto_ver=proto_ver)
connack_packet = mosq_test.gen_connack(rc=0, proto_ver=proto_ver)
mid = 312
publish_packet1 = mosq_test.gen_publish("pub/qos2/test", qos=2, mid=mid, payload="message", proto_ver=proto_ver)
pubrec_packet = mosq_test.gen_pubrec(mid, proto_ver=proto_ver)
pubrel_packet = mosq_test.gen_pubrel(mid, proto_ver=proto_ver)
pubcomp_packet = mosq_test.gen_pubcomp(mid, proto_ver=proto_ver)
mid = 312
publish_packet2 = mosq_test.gen_publish("pub/qos2/reuse", qos=2, mid=mid, payload="message", proto_ver=proto_ver)
sub_connect_packet = mosq_test.gen_connect("sub-qos2-test", proto_ver=proto_ver)
sub_connack_packet = mosq_test.gen_connack(rc=0, proto_ver=proto_ver)
mid = 1
subscribe_packet = mosq_test.gen_subscribe(mid, "#", 2, proto_ver=proto_ver)
suback_packet = mosq_test.gen_suback(mid, 2, proto_ver=proto_ver)
mid = 1
publish_packet_expected = mosq_test.gen_publish("pub/qos2/reuse", qos=2, mid=mid, payload="message", proto_ver=proto_ver)
port = mosq_test.get_port()
broker = mosq_test.start_broker(filename=os.path.basename(__file__), port=port)
try:
ssock = mosq_test.do_client_connect(sub_connect_packet, sub_connack_packet, port=port)
mosq_test.do_send_receive(ssock, subscribe_packet, suback_packet, "suback")
sock = mosq_test.do_client_connect(connect_packet, connack_packet, port=port)
mosq_test.do_send_receive(sock, publish_packet1, pubrec_packet, "pubrec1")
mosq_test.do_send_receive(sock, publish_packet2, pubrec_packet, "pubrec2")
mosq_test.do_send_receive(sock, pubrel_packet, pubcomp_packet, "pubcomp")
mosq_test.expect_packet(ssock, "publish", publish_packet_expected)
rc = 0
sock.close()
except mosq_test.TestError:
pass
finally:
broker.terminate()
if mosq_test.wait_for_subprocess(broker):
print("broker not terminated")
if rc == 0: rc=1
(stdo, stde) = broker.communicate()
if rc:
print(stde.decode('utf-8'))
print("proto_ver=%d" % (proto_ver))
exit(rc)
do_test(proto_ver=4)
do_test(proto_ver=5)
exit(0)