Book Image

Mastering React Test-Driven Development - Second Edition

By : Daniel Irvine
Book Image

Mastering React Test-Driven Development - Second Edition

By: Daniel Irvine

Overview of this book

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.
Table of Contents (26 chapters)
Part 1 – Exploring the TDD Workflow
Part 2 – Building Application Features
Part 3 – Interactivity
Part 4 – Behavior-Driven Development with Cucumber


Becoming a great practitioner of TDD takes great effort. It requires practice, experience, determination, and discipline.

Many people have tried TDD and failed. Some of them will conclude that TDD is broken. But I don’t believe it’s broken. It just takes effort and patience to get right.

But what is getting it right, anyway?

All software development techniques are subjective. Everything in this book is subjective; it is not the right way. It is a collection of techniques that I like to use, and that I have found success with. Other people have found success with other techniques.

The exciting part of TDD is not the black-and-white, strict form of the process; it is the grays in which we can define (and refine) a development process that works for us and our colleagues. The TDD cycle gives us just enough structure that we can find joy in fleshing it out with our rules and our own dogma.

I hope you have found this book valuable and enjoyable. There...