How to Use Http Request/JSON extractor(using Jmeter Variable) in Jmeter with Response assertion(using Jmeter Variable)

Question

How to Use Http request/JSON extractor(using Jmeter Variable) in Jmeter with Response assertion(using Jmeter Variable). better to provide with Example?

Answer 1

For example you have the following response:

And you need to extract John from it.

1. Add JSON Extractor Post Processor

2. Configure it as follows:

   • Reference Name: anything meaningful, i.e. name

   • JSON Path Expressions: $.name

     

3. That's it, you now have ${name} JMeter Variable with the value of John

   

If now you want to validate its value you can add a Response Assertion and configure it like:

• Apply to -> JMeter Variable -> name
• Pattern Matching Rules: Equals
• Patterns to Test: John

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• To learn more about JSON Path check out this Getting Started article.
• To see some advanced use cases (conditional select, matching multiple values in a single request, working with JSON Arrays) refer to Advanced Usage of the JSON Path Extractor in JMeter guide.