Jmeter extract data using BeanShell PreProcessor and add parameters

Question

Having the following request:

enter image description here

From this I extract using the Regular Expression Extractor the following string:

%5B1172%2C63%2C61%2C66%2C69%2C68%5D

I decode this using the urldecode function: ${__urldecode(${Groups_g2})}

Decoded: [1172,63,61,66,69,68]

On the following request I want to extract the values using the BeanShell PreProcessor to obtain a list of parameters like this one:

enter image description here

I know that I have to use sampler.addArgument but i can't figure how to extract data from the list and add the values as parameters.

Dmitri T · Accepted Answer · 2014-11-24 13:46:50Z

3

Try the following:

Put ${__urldecode(${Groups_g2})} into Beanshell PreProcessor's Parameters input field

Enter the following code into Script area

String params = Parameters.substring(1, Parameters.length() - 1); // remove square brackets
int counter = 1;
for (String param : params.split(",")) { 
  sampler.addArgument("parameter" + counter, param);
  counter++;
}

I have no idea what parameter names need to look like, hopefully above information will be helpful.

HTTP Request with no parameters:

Empty HTTP Request

Beanshell PreProcessor

Beanshell PreProcessor

Parameters in View Results Tree Listener

Parameters in View Results Tree Listener

For more information on Beanshell scripting in Apache JMeter check out How to use BeanShell: JMeter's favorite built-in component guide.

answered Nov 24, 2014 at 13:46

Dmitri T

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