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JMeter Cookbook

You're reading from   JMeter Cookbook 70 insightful and practical recipes to help you successfully use Apache JMeter

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Product type Paperback
Published in Oct 2014
Publisher
ISBN-13 9781783988280
Length 228 pages
Edition 1st Edition
Tools
Concepts
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Author (1):
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Bayo Erinle Bayo Erinle
Author Profile Icon Bayo Erinle
Bayo Erinle
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Table of Contents (11) Chapters Close

Preface 1. JMeter Fundamentals FREE CHAPTER 2. Handling Responses 3. Building Robust Test Plans with Controllers 4. Testing Services 5. Diving into Distributed Testing 6. Extending JMeter 7. Building, Debugging, and Analyzing the Results of Test Plans 8. Beyond the Basics A. Installing the Supporting Software Needed for this Book Index

Using Regular Expression Tester

When trying to extract parts of a server response through a regular matching expression, Regular Expression Tester is your best friend. This component allows you to test your regular expression patterns directly on the sampler response data. Without such a component, it will be daunting to nail down the exact regular expression to fulfill your matching needs. This component comes bundled as part of the View Results Tree listener.

How to do it…

In this recipe, we cover the use of Regular Expression Tester:

  1. Launch JMeter.
  2. Open the ch2_regex_tester.jmx test script located in the scripts/ch2 directory.
  3. Run the test plan.
  4. Click on the View Results Tree listener.
  5. In the bottom-left corner of the View Results Tree listener, select the RegEx Tester option.
  6. In the Regular expression textbox, enter a regular expression to extract information from the server response. We can proceed in the following way:
    • Let's say we wanted to extract the xsrf token; we will use...
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