Book Image

API Testing and Development with Postman - Second Edition

By : Dave Westerveld
5 (1)
Book Image

API Testing and Development with Postman - Second Edition

5 (1)
By: Dave Westerveld

Overview of this book

Postman is an invaluable tool for exploration and testing of web APIs and helping testers and developers figure out how an API works. With Postman, you can create effective test automation for any APIs, and this guide will help you unleash its full potential. API Testing and Development with Postman is an invaluable resource for anyone who wants to create a good quality API, but isn't sure how to go about it. This guide will help you unleash the full potential of Postman’s test automation capabilities. A combination of theory coupled with real-world examples will help you learn how to use Postman to create well-designed, documented, and tested APIs. After you’ve familiarized yourself with the theory, you’ll move on to hands-on projects that will teach you how to add test automation to an existing API. You’ll also learn some of the new and powerful features that Postman has that can help you avoid introducing bugs. This second, fully updated edition features new chapters on workflow testing, creating and using mock servers, API security testing, and performance testing. The new and expanded information in this edition will help you future-proof your APIs. By the end of this book, you'll be able to use Postman to set up and run API tests for any API that you are working with.
Table of Contents (12 chapters)
1
API Testing and Development with Postman, Second Edition: API creation, testing, debugging, and management made easy

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The history of computing has been a long path toward higher and higher levels of abstraction. In the early days of the computer era, computers were programmed with punch cards and assembly languages. The invention of FORTRAN in the 1950s created a programming language that allowed programmers to write code in ways a little more similar to the ways humans work. Over the years, object-oriented languages such as C++ came along and added additional levels of abstraction. In a sense, APIs are another level of abstraction. They allow people to write "code" at a very high level that will tell computers what to do. However, we didn't stop there. As APIs became more popular, we started to develop interfaces that would allow us to specify how an API works, so that users who know nothing about the source code can easily interact with the remote service.We call these interfaces API specification languages. These languages...