Mastering React Test-Driven Development: Build simple and maintainable web apps with React, Redux, and GraphQL

Mastering React Test-Driven Development: Build simple and maintainable web apps with React, Redux, and GraphQL
ISBN-10
180323055X
ISBN-13
9781803230559
Category
Computers
Pages
565
Language
English
Published
2022-09-30
Publisher
Packt Publishing Ltd
Authors
Daniel Irvine, Justin Searls

Description

Learn test-driven and behavior-driven development techniques that will give you greater confidence when building React applications Key Features Explore the TDD process, how it works, and why it will help you write maintainable React apps Develop a component testing framework from scratch, which will help you understand the mechanics of good unit testing Reduce complexity by using unit tests and end-to-end acceptance tests to drive the design of your apps Book Description Test-driven development (TDD) is a programming workflow that helps you build your apps by specifying behavior as automated tests. The TDD workflow future-proofs apps so that they can be modified without fear of breaking existing functionality. Another benefit of TDD is that it helps software development teams communicate their intentions more clearly, by way of test specifications. This book teaches you how to apply TDD when building React apps. You'll create a sample app using the same React libraries and tools that professional React developers use, such as Jest, React Router, Redux, Relay (GraphQL), Cucumber, and Puppeteer. The TDD workflow is supported by various testing techniques and patterns, which are useful even if you're not following the TDD process. This book covers these techniques by walking you through the creation of a component test framework. You'll learn automated testing theory which will help you work with any of the test libraries that are in standard usage today, such as React Testing Library. This second edition has been revised with a stronger focus on concise code examples and has been fully updated for React 18. By the end of this TDD book, you'll be able to use React, Redux, and GraphQL to develop robust web apps. What you will learn Build test-driven applications using React 18 and Jest Understand techniques and patterns for writing great automated tests Use test doubles and mocks effectively Test-drive browser APIs, including the Fetch API and the WebSocket API Integrate with libraries such as React Router, Redux, and Relay (GraphQL) Use Cucumber.js and Puppeteer to build Behaviour- Driven Development (BDD) style tests for your applications Build and test async Redux code using redux-saga and expect-redux Who this book is for This book is for frontend developers who are looking to improve their testing practices and increase the quality and maintainability of their applications. To make the most of this book, you'll need knowledge of the JavaScript programming language.

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