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48 lines
2.2 KiB
Python
48 lines
2.2 KiB
Python
#!/usr/bin/env python3
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# Test whether a client sends a correct PUBLISH to a topic with QoS 2.
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# The client should connect to port 1888 with keepalive=60, clean session set,
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# and client id publish-qos2-test
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# The test will send a CONNACK message to the client with rc=0. Upon receiving
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# the CONNACK the client should verify that rc==0. If not, it should exit with
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# return code=1.
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# On a successful CONNACK, the client should send a PUBLISH message with topic
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# "pub/qos2/test", payload "message" and QoS=2.
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# The test will not respond to the first PUBLISH message, so the client must
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# resend the PUBLISH message with dup=1. Note that to keep test durations low, a
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# message retry timeout of less than 10 seconds is required for this test.
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# On receiving the second PUBLISH message, the test will send the correct
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# PUBREC response. On receiving the correct PUBREC response, the client should
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# send a PUBREL message.
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# The test will not respond to the first PUBREL message, so the client must
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# resend the PUBREL message with dup=1. On receiving the second PUBREL message,
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# the test will send the correct PUBCOMP response. On receiving the correct
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# PUBCOMP response, the client should send a DISCONNECT message.
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from mosq_test_helper import *
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def do_test(conn, data):
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connect_packet = mosq_test.gen_connect("publish-qos2-test")
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connack_packet = mosq_test.gen_connack(rc=0)
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disconnect_packet = mosq_test.gen_disconnect()
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mid = 1
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publish_packet = mosq_test.gen_publish("pub/qos2/test", qos=2, mid=mid, payload="message")
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publish_dup_packet = mosq_test.gen_publish("pub/qos2/test", qos=2, mid=mid, payload="message", dup=True)
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pubrec_packet = mosq_test.gen_pubrec(mid)
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pubrel_packet = mosq_test.gen_pubrel(mid)
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pubcomp_packet = mosq_test.gen_pubcomp(mid)
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mosq_test.do_receive_send(conn, connect_packet, connack_packet, "connect")
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mosq_test.do_receive_send(conn, publish_packet, pubrec_packet, "publish")
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mosq_test.do_receive_send(conn, pubrel_packet, pubcomp_packet, "pubrel")
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mosq_test.expect_packet(conn, "disconnect", disconnect_packet)
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conn.close()
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mosq_test.client_test("c/03-publish-c2b-qos2.test", [], do_test, None)
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mosq_test.client_test("cpp/03-publish-c2b-qos2.test", [], do_test, None)
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