73 lines
2.6 KiB
Python
Executable File
73 lines
2.6 KiB
Python
Executable File
#!/usr/bin/env python
|
|
|
|
# Test whether a retained PUBLISH is cleared when a zero length retained
|
|
# message is published to a topic.
|
|
|
|
import socket
|
|
|
|
import inspect, os, sys
|
|
# From http://stackoverflow.com/questions/279237/python-import-a-module-from-a-folder
|
|
cmd_subfolder = os.path.realpath(os.path.abspath(os.path.join(os.path.split(inspect.getfile( inspect.currentframe() ))[0],"..")))
|
|
if cmd_subfolder not in sys.path:
|
|
sys.path.insert(0, cmd_subfolder)
|
|
|
|
import mosq_test
|
|
|
|
rc = 1
|
|
keepalive = 60
|
|
connect_packet = mosq_test.gen_connect("retain-clear-test", keepalive=keepalive)
|
|
connack_packet = mosq_test.gen_connack(rc=0)
|
|
|
|
publish_packet = mosq_test.gen_publish("retain/clear/test", qos=0, payload="retained message", retain=True)
|
|
retain_clear_packet = mosq_test.gen_publish("retain/clear/test", qos=0, payload=None, retain=True)
|
|
mid_sub = 592
|
|
subscribe_packet = mosq_test.gen_subscribe(mid_sub, "retain/clear/test", 0)
|
|
suback_packet = mosq_test.gen_suback(mid_sub, 0)
|
|
|
|
mid_unsub = 593
|
|
unsubscribe_packet = mosq_test.gen_unsubscribe(mid_unsub, "retain/clear/test")
|
|
unsuback_packet = mosq_test.gen_unsuback(mid_unsub)
|
|
|
|
cmd = ['../../src/mosquitto', '-p', '1888']
|
|
broker = mosq_test.start_broker(filename=os.path.basename(__file__), cmd=cmd)
|
|
|
|
try:
|
|
sock = mosq_test.do_client_connect(connect_packet, connack_packet, timeout=4)
|
|
# Send retained message
|
|
sock.send(publish_packet)
|
|
# Subscribe to topic, we should get the retained message back.
|
|
sock.send(subscribe_packet)
|
|
|
|
if mosq_test.expect_packet(sock, "suback", suback_packet):
|
|
if mosq_test.expect_packet(sock, "publish", publish_packet):
|
|
# Now unsubscribe from the topic before we clear the retained
|
|
# message.
|
|
sock.send(unsubscribe_packet)
|
|
|
|
if mosq_test.expect_packet(sock, "unsuback", unsuback_packet):
|
|
# Now clear the retained message.
|
|
sock.send(retain_clear_packet)
|
|
|
|
# Subscribe to topic, we shouldn't get anything back apart
|
|
# from the SUBACK.
|
|
sock.send(subscribe_packet)
|
|
if mosq_test.expect_packet(sock, "suback", suback_packet):
|
|
try:
|
|
retain_clear = sock.recv(256)
|
|
except socket.timeout:
|
|
# This is the expected event
|
|
rc = 0
|
|
else:
|
|
print("FAIL: Received unexpected message.")
|
|
|
|
sock.close()
|
|
finally:
|
|
broker.terminate()
|
|
broker.wait()
|
|
if rc:
|
|
(stdo, stde) = broker.communicate()
|
|
print(stde)
|
|
|
|
exit(rc)
|
|
|