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Writing API Tests with Karate

You're reading from   Writing API Tests with Karate Enhance your API testing for improved security and performance

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Product type Paperback
Published in May 2023
Publisher Packt
ISBN-13 9781837638260
Length 326 pages
Edition 1st Edition
Tools
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Author (1):
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Benjamin Bischoff Benjamin Bischoff
Author Profile Icon Benjamin Bischoff
Benjamin Bischoff
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Table of Contents (15) Chapters Close

Preface 1. Part 1:Karate Basics
2. Chapter 1: Introducing Karate’s Core Concepts FREE CHAPTER 3. Chapter 2: Setting up Your Karate Project 4. Chapter 3: Writing Basic Karate Tests 5. Chapter 4: Running Karate Tests 6. Chapter 5: Reporting and Logging 7. Part 2:Advanced Karate Functionalities
8. Chapter 6: More Advanced Karate Features 9. Chapter 7: Customizing and Optimizing Karate Tests 10. Chapter 8: Karate in Docker and CI/CD pipelines 11. Chapter 9: Karate UI for Browser Testing 12. Chapter 10: Performance Testing with Karate Gatling 13. Index 14. Other Books You May Enjoy

Understanding JSONPath and XPath

Up until now, we have always used the basic syntax to traverse JSON data and access certain elements and values within it. In this section, we will look at JSONPath and XPath, which offer more flexibility when dealing with JSON and XML respectively.

This is not meant as a reference but rather a demonstration of how these two approaches work. You are encouraged to learn more about these as they offer a lot of functionality in themselves!

Working with XPath

Let’s look at XPath first as JSONPath is loosely based on it.

XPath details

XPath is a language to parse XML structures. It considers an XML document as a node tree of elements, attributes, and text and can find XML parts in children and parent nodes. More information about XPath can be found here:

https://www.w3.org/TR/1999/REC-xpath-19991116/

We will use this XML structure within a Karate test scenario:

Scenario: Xpath
  * def data =
  "&quot...
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