API Testing and Development with Postman - 2nd Edition (Early Access)

✍ Scribed by Dave Westerveld

• Publisher: PacktPub
• Year: 2024
• Tongue: English
• Leaves: 255
• Category: Library

✦ Synopsis

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

API Testing and Development with Postman, Second Edition: API creation, testing, debugging, and management made easy
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What is an API?
Types of API calls
Installing Postman
The structure of an API request
Considerations for API testing
Different types of APIs
Summary
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Technical requirements
Start with the purpose
Creating usable APIs
Document your API
Designing an API
Summary
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Technical requirements
What are API specifications?
Creating OASes
Creating your own Specification File
Using API specifications in Postman
Summary
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Technical requirements
Exploring and automating
Organizing and structuring tests
Creating maintainable tests
Creating repeatable tests
Summary
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Understanding API security
API security in Postman
Summary
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Technical requirements
Checking API responses
Setting up pre-request scripts
Using environments in Postman
Summary
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Technical requirements
Defining data-driven testing
Creating a data-driven test in Postman
Challenge – data-driven testing with multiple APIs
Summary
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Technical requirements
Building Request Workflows
Using Flows in Postman
Workflow Testing
Summary
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Technical requirements
Getting Newman set up
Understanding Newman run options
Reporting on tests in Newman
Integrating Newman into CI builds
Summary
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Technical requirements
Setting up a monitor in Postman
Viewing monitor results
Summary
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Technical requirements
Finding bugs in an API
Automating API tests
An example of automated API tests
Sharing your work
Summary