CODEWITHSUNDEEP
csvgroovyjmeter
J. Doe
J. Doe

Reputation: 187

JMeter read / write to CSV Data Set Config

So I am loading data from CSV Data Set Config, what I like to do is write a value of a variable back into the next column of that same file in the same row but on the next column.

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I check "url" for some specific response json, extract and create a variable "status" and "action" and add it to the row

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Is it even possible to write back to the source csv file? Maybe some post processor script? Searching here is like a needle in a haystack sometimes.

Upvotes: 0

Views: 707

Answers (1)

Dmitri T
Dmitri T

Reputation: 168072

It is possible but I wouldn't recommend it as if you implement this post-processor logic and run your test with > 1 user most probably you will get into a race condition when several threads are concurrently writing into the same file.

Alternatives are:

  1. Adding your status and action variables values to JMeter's .jtl result file, just declare the following Sample Variables:

    sample_variables=url,status,action

    in the user.properties file and next time you run JMeter in command-line non-GUI mode you will see 3 extra columns in the .jtl results file holding the values of these 3 JMeter Variables

  2. If you want a separate file - first of all execute step 1 and then add a Flexible File Writer to your Test Plan and configure it to write the variables into a file, the relevant configuration would be something like:

    variable#0|,|variable#1|,|variable#2|\r\n

Upvotes: 2

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