CODEWITHSUNDEEP
jsonjmeterdownload
joCha
joCha

Reputation: 380

How to download a file in Jmeter with just the original file content?

I'm working on functional testing of a REST API using Jmeter and JSON. I've got file uploading working but I cant seem to get the file downloading to work in jmeter. I'm saving the response as noted in this post: JMeter - File upload and file download scenario

When I do this, I am getting close but not quite exactly what I need. This is and example of what I am getting:

--0rVAdzesdQq7VrwJaRoYGm_UHdMD5nhi9_5w4u
Content-Disposition: form-data; name="api-test"; filename="LIBFILE1.txt"
Content-Type: text/plain
Content-Transfer-Encoding: binary

Library File for Automated Smoke Test

This file is used to test file library upload for automated smoke tests.
--0rVAdzesdQq7VrwJaRoYGm_UHdMD5nhi9_5w4u--

How can I get the download to only save the file contents? In this example, it should only be:

Library File for Automated Smoke Test

This file is used to test file library upload for automated smoke tests.

This is a simple textfile. I would also like to download the other formats that I'm uploading including jpg, png, docx, pdf but it wont be right if it has this extra data coming with it. I figure once I get a simple text file working, it will help me get the more difficult file types.

Upvotes: 1

Views: 5107

Answers (1)

Dmitri T
Dmitri T

Reputation: 168082

Well, Save Responses to a file listener will store the data you can observe in the "Response Data" tab of the View Results Tree listener. If you see these Content-Type, Content-Disposition, etc. headers as response data - most probably your upload wasn't successful as you should not be getting the headers this way.

I would recommend double checking that the same request being executed via browser or i.e. Postman tool returns the same response and fix your JMeter script in case of differences.

See Performance Testing: Upload and Download Scenarios with Apache JMeter article for details on how to properly mimic file operations with JMeter.

Alternative way of saving response data into a file is using JSR223 Listener, given you select "groovy" in the language dropdown you should be able to save the response using the following simple script:

new File("/path/to/your/file.txt").setBytes(prev.getResponseData())

Upvotes: 1

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