使用python做简单的接口性能测试详解编程语言

#!/user/bin/env python 
#coding=utf-8 
import requests 
import datetime 
import time 
import threading 
 
class url_request(): 
    times = [] 
    error = [] 
    def req(self,AppID,url): 
        myreq=url_request() 
        headers = {'User-Agent' : 'Mozilla/5.0 (Linux; Android 4.2.1; en-us; Nexus 4 Build/JOP40D) AppleWebKit/535.19 (KHTML, like Gecko) Chrome/18.0.1025.166 Mobile Safari/535.19'} 
        payload = {'AppID':AppID,'CurrentURL':url} 
        r = requests.post("http://xx.xxx.com/WeiXinJSAccessToken/json/WeChatJSTicket",headers=headers,data=payload) 
        ResponseTime=float(r.elapsed.microseconds)/1000 #获取响应时间，单位ms 
        myreq.times.append(ResponseTime) #将响应时间写入数组 
        if r.status_code !=200 : 
            myreq.error.append("0") 
if __name__=='__main__': 
    myreq=url_request() 
    threads = [] 
    starttime = datetime.datetime.now() 
    print "request start time %s" %starttime  
    nub = 50#设置并发线程数 
    ThinkTime = 0.5#设置思考时间 
    for i in range(1, nub+1):  
        t = threading.Thread(target=myreq.req, args=('12','http://m.ctrip.com/webapp/cpage/#mypoints')) 
        threads.append(t) 
    for t in threads: 
        time.sleep(ThinkTime)  
        #print "thread %s" %t #打印线程 
        t.setDaemon(True) 
        t.start() 
    t.join() 
    endtime = datetime.datetime.now() 
    print "request end time %s" %endtime   
    time.sleep(3) 
    AverageTime = "{:.3f}".format(float(sum(myreq.times))/float(len(myreq.times))) #计算数组的平均值，保留3位小数 
    print "Average Response Time %s ms" %AverageTime #打印平均响应时间 
    usetime = str(endtime - starttime) 
    hour = usetime.split(':').pop(0) 
    minute = usetime.split(':').pop(1) 
    second = usetime.split(':').pop(2) 
    totaltime = float(hour)*60*60 + float(minute)*60 + float(second) #计算总的思考时间+请求时间 
    print "Concurrent processing %s" %nub #打印并发数 
    print "use total time %s s" %(totaltime-float(nub*ThinkTime)) #打印总共消耗的时间 
    print "fail request %s" %myreq.error.count("0") #打印错误请求数

request start time 2015-02-10 18:24:14.316000 
request end time 2015-02-10 18:24:39.769000 
Average Response Time 46.700 ms 
Concurrent processing 50 
use total time 25.453 s 
fail request 1