72 lines
2.7 KiB
Python
72 lines
2.7 KiB
Python
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#!/usr/bin/env python3
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# Test whether a client will that is too large is handled
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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, clean_session):
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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("will-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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connect_packet_ok = mosq_test.gen_connect("test-helper", keepalive=keepalive, will_topic="will/qos0/test", will_payload=b"A", clean_session=clean_session, proto_ver=proto_ver, session_expiry=60)
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connack_packet_ok = mosq_test.gen_connack(rc=0, proto_ver=proto_ver)
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connect_packet_bad = mosq_test.gen_connect("test-helper", keepalive=keepalive, will_topic="will/qos0/test", will_payload=b"AB", clean_session=clean_session, proto_ver=proto_ver, session_expiry=60)
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if proto_ver == 5:
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connack_packet_bad = mosq_test.gen_connack(rc=mqtt5_rc.MQTT_RC_PACKET_TOO_LARGE, proto_ver=proto_ver, property_helper=False)
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else:
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connack_packet_bad = mosq_test.gen_connack(rc=5, proto_ver=proto_ver)
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subscribe_packet = mosq_test.gen_subscribe(mid, "will/qos0/test", 0, proto_ver=proto_ver)
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suback_packet = mosq_test.gen_suback(mid, 0, proto_ver=proto_ver)
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publish_packet = mosq_test.gen_publish("will/qos0/test", qos=0, payload="A", 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=5, 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(connect_packet_bad, connack_packet_bad, port=port, timeout=5)
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sock2.close()
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sock2 = mosq_test.do_client_connect(connect_packet_ok, connack_packet_ok, port=port, timeout=5)
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sock2.close()
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mosq_test.expect_packet(sock, "publish", publish_packet)
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# Check there are no more messages
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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 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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exit(rc)
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do_test(4, True)
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do_test(4, False)
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do_test(5, True)
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do_test(5, False)
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exit(0)
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