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Writing API Tests with Karate

Writing API Tests with Karate

By : Benjamin Bischoff
5 (8)
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Writing API Tests with Karate

Writing API Tests with Karate

5 (8)
By: Benjamin Bischoff

Overview of this book

Software in recent years is moving away from centralized systems and monoliths to smaller, scalable components that communicate with each other through APIs. Testing these communication interfaces is becoming increasingly important to ensure the security, performance, and extensibility of the software. A powerful tool to achieve safe and robust applications is Karate, an easy-to-use, and powerful software testing framework. In this book, you’ll work with different modules of karate to get tailored solutions for modern test challenges. You’ll be exploring interface testing, UI testing as well as performance testing. By the end of this book, you’ll be able to use the Karate framework in your software development lifecycle to make your APIs and applications robust and trustworthy.
Table of Contents (15 chapters)
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1
Part 1:Karate Basics
7
Part 2:Advanced Karate Functionalities

Defining and using expressions with def

In earlier chapters, we used the def keyword to define variables (for example, * def myName = "Benjamin"). However, it can be way more flexible and time-saving than that if we use it for custom functionality as well. In this section, we will explore some of these aspects.

Defining inline methods

The def keyword allows us to define helper functions easily so that we don’t have to repeat the same calculations, string manipulations, and so on repeatedly. Here’s an example:

Scenario: Miles and kilometers
  * def kmToMiles = function(km) { return km / 1.6 }
  * def milesToKm = function(miles) { return miles * 1.6 }
  * assert kmToMiles(16) == 10
  * def miles = kmToMiles(90)
  * match miles == 56.25
  * match milesToKm(miles) == 90

In this example, there are two functions: kmToMiles, which takes a km parameter and returns the number of miles, and the milesToKm...

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