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

Summary

Sending API requests allows you to inspect the responses and check that the API call is working the way you want it to. This is a manual process, though, and often you will need to create tests that can be run over and over again to check for product regressions. In order to do this, you need to be able to add checks to a request. This chapter has given you the ability to do that. You have learned how to add assertions that check various aspects of an API response. You have also learned about the various built in assertions that Postman provides to help you with this.Sometimes you need to get some input data into a specific format in order to be able to check the things that you want to check. This chapter has also helped you learn how to set up scripts that can run before a request so that you can have everything in the necessary state. I also showed you how to run a request multiple times so that you can check many things in one request. This chapter also covered how to create...