How to parse response of sample1 to create new sample in JMeter

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渐次进展 2021-01-01 21:23

I use JMeter to do performance test of web server. My test case is as following:

step1: send file update request to server.
step2: server will return some fi


      
      
        
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                   孤独总比滥情好
                                             
                
                
                (楼主)
            
              
              
                2021-01-01 21:46
              

            
            
                        
Ok let's start before the first step :

Right click -> Add -> Threads (Users) -> Thread Group


Now the actual first step (If you use REST) :


Add -> Sampler -> Http Request

You have at the bottom part Send Files With the Request. You can add file attachment if that is what you asked.


Extracting response from the server :


Let's assume your response is this :


  StackOverflow.com
  http://stackoverflow.com/questions/11186423/how-to-parse-response-of-sample1-to-create-new-sample-in-jmeter



Here is what you do :

Right click on The http request you previously added (in step 1) -> Post Processors -> Xpath Extractor

Reference Name is the name of the variable in which you want to store the value. Let's name it url. And Xpath query is Response/url or //Response/url if you get more response tags. If you want the first one //Response[1]/url and so on..


Repeat step 1 (copy/paste sampler and remove the Xpath Extractor you don't need it anymore), and change the Server Name or IP to ${url} which is the value previously returned. 


And Voila there you go. Let me know if you got more specific questions. Jmeter is fun.

Per Grace comment :

Wants to extract https://192.168.100.46/updserver/download?action=signature_download&token=

Out of response data :

<html>
<body>
ERROR=0
MSG=N/A
FILELIST=1555;1340778737370;1526545487;
VERSION=1.002
URL=https://192.168.100.46/updserver/download?action=signature_download&token=
INTERVAL=0
</body>
</html>



This should be pretty simple. Add a post processor -> Regular Expression Extractor and put the following :

Reference Name : url 
Regular Expression : (http[\S]+)
Template : $1$
Match No. (0 for Random): 1


So now you have url variable that you can use further in your test as ${url}. Let me know if that works for you. I tested with dummy sampler and it works for me.
    
             
                                                        
            
            
              
                
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