mqtt消息发送订阅自动化测试脚本demo

# -*- coding:utf-8 -*-  
from multiprocessing import Process
import paho.mqtt.publish as publish
import paho.mqtt.subscribe as subscribe
import time,json

HOST = "127.0.0.1"
PORT = 11883
NAME = "mqname"
PASSWORD = "mqpwd"
TOPIC = "test/hito"
client_id = time.strftime('mq:test:%Y%m%d%H%M%S',time.localtime(time.time()))

def mqtt_publish():
    print "===============>pub"
    msg = {"msg_id": "101343506507657"}
    msg = json.dumps(msg)
    publish.single(TOPIC, msg, qos = 1,hostname=HOST,port=PORT, client_id=client_id,auth = {'username':NAME, 'password':PASSWORD})
    print "===============> pub over"

def mqtt_subscribe():
    print "===============>sub"
    msg = subscribe.simple(TOPIC, qos = 1,hostname=HOST,port=PORT, client_id=client_id,auth = {'username':NAME, 'password':PASSWORD})
    print msg.topic+" :"+msg.payload.decode("utf-8")

if __name__ == '__main__':
    sub=Process(target=mqtt_subscribe)
    pub=Process(target=mqtt_publish)
    sub.start()
    time.sleep(1)
    pub.start()
    sub.join()
    print("main-------")