82 lines
2.8 KiB
Python
82 lines
2.8 KiB
Python
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#!/usr/bin/env python3
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# Test whether message size limits apply.
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from mosq_test_helper import *
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def write_config(filename, port):
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with open(filename, 'w') as f:
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f.write("listener %d\n" % (port))
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f.write("allow_anonymous true\n")
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f.write("message_size_limit 1\n")
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def do_test(proto_ver):
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rc = 1
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mid = 53
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keepalive = 60
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connect_packet = mosq_test.gen_connect("subpub-qos1-test", keepalive=keepalive, proto_ver=proto_ver)
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connack_packet = mosq_test.gen_connack(rc=0, proto_ver=proto_ver)
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subscribe_packet = mosq_test.gen_subscribe(mid, "subpub/qos1", 1, proto_ver=proto_ver)
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suback_packet = mosq_test.gen_suback(mid, 1, proto_ver=proto_ver)
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connect2_packet = mosq_test.gen_connect("subpub-qos1-helper", keepalive=keepalive, proto_ver=proto_ver)
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connack2_packet = mosq_test.gen_connack(rc=0, proto_ver=proto_ver)
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mid = 1
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publish_packet_ok = mosq_test.gen_publish("subpub/qos1", mid=mid, qos=1, payload="A", proto_ver=proto_ver)
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puback_packet_ok = mosq_test.gen_puback(mid=mid, proto_ver=proto_ver)
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mid = 2
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publish_packet_bad = mosq_test.gen_publish("subpub/qos1", mid=mid, qos=1, payload="AB", proto_ver=proto_ver)
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if proto_ver == 5:
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puback_packet_bad = mosq_test.gen_puback(reason_code=mqtt5_rc.MQTT_RC_PACKET_TOO_LARGE, mid=mid, proto_ver=proto_ver)
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else:
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puback_packet_bad = mosq_test.gen_puback(mid=mid, proto_ver=proto_ver)
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port = mosq_test.get_port()
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conf_file = os.path.basename(__file__).replace('.py', '.conf')
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write_config(conf_file, port)
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broker = mosq_test.start_broker(filename=os.path.basename(__file__), use_conf=True, port=port)
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try:
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sock = mosq_test.do_client_connect(connect_packet, connack_packet, timeout=20, port=port)
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mosq_test.do_send_receive(sock, subscribe_packet, suback_packet, "suback")
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sock2 = mosq_test.do_client_connect(connect2_packet, connack2_packet, timeout=20, port=port)
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mosq_test.do_send_receive(sock2, publish_packet_ok, puback_packet_ok, "puback 1")
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mosq_test.expect_packet(sock, "publish 1", publish_packet_ok)
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sock.send(puback_packet_ok)
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# Check all is still well on the publishing client
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mosq_test.do_ping(sock2)
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mosq_test.do_send_receive(sock2, publish_packet_bad, puback_packet_bad, "puback 2")
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# The subscribing client shouldn't have received a PUBLISH
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mosq_test.do_ping(sock)
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rc = 0
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sock.close()
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except SyntaxError:
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raise
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except TypeError:
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raise
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except mosq_test.TestError:
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pass
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finally:
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os.remove(conf_file)
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broker.terminate()
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broker.wait()
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(stdo, stde) = broker.communicate()
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if rc:
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print(stde.decode('utf-8'))
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print("proto_ver=%d" % (proto_ver))
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exit(rc)
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do_test(proto_ver=4)
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do_test(proto_ver=5)
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exit(0)
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