Outside-In React Development
Outside-In React Development
A TDD Primer
About the Book
How should we decide what kinds of tests to write for our React applications, and how many of each kind? How can we write a test suite that gives us confidence rather than just giving us busywork? Instead of tests slowing down our development, could they actually help us go faster?
Outside-In React Development tackles these questions by applying the practice of outside-in test-driven development (TDD) to React applications. It explains the problems that agile software development solves, the key role that test-driven development plays, and the way outside-in test-driven development helps end-to-end tests and unit tests to work together.
The main part of the book is an extended exercise building a React front-end application from scratch using outside-in TDD. You'll learn:
- How and why to get your app tested on CI and automatically deploying before the first feature is written
- How to use the two-level TDD loop to stay laser-focused on building out one user-deliverable feature to completion
- How to write tests that provide maximum safety with minimum ongoing cost by testing the interface instead of the implementation
- How to get thorough coverage of edge cases while keeping your test suite fast
About the Author
Bundles that include this book
Table of Contents
-
- Go Beyond the Book
- Introduction
-
Part One: Concepts
- 1. Why Agile?
- 2. Testing Concepts
- 3. Why Test-Driven Development?
- 4. Overview of Outside-In TDD
-
Part Two: Exercise
- 5. About This Exercise
- 6. Project Setup
- 7. Vertical Slice
- 8. Refactoring Styles
- 9. Edge Cases
- 10. Writing Data
- 11. Exercise Wrap-Up
-
Part Three: Going Further
- 12. Integration Testing the API Client
- 13. Asynchrony in React Testing Library
- 14. Next Steps
The Leanpub 60 Day 100% Happiness Guarantee
Within 60 days of purchase you can get a 100% refund on any Leanpub purchase, in two clicks.
Now, this is technically risky for us, since you'll have the book or course files either way. But we're so confident in our products and services, and in our authors and readers, that we're happy to offer a full money back guarantee for everything we sell.
You can only find out how good something is by trying it, and because of our 100% money back guarantee there's literally no risk to do so!
So, there's no reason not to click the Add to Cart button, is there?
See full terms...
Earn $8 on a $10 Purchase, and $16 on a $20 Purchase
We pay 80% royalties on purchases of $7.99 or more, and 80% royalties minus a 50 cent flat fee on purchases between $0.99 and $7.98. You earn $8 on a $10 sale, and $16 on a $20 sale. So, if we sell 5000 non-refunded copies of your book for $20, you'll earn $80,000.
(Yes, some authors have already earned much more than that on Leanpub.)
In fact, authors have earnedover $13 millionwriting, publishing and selling on Leanpub.
Learn more about writing on Leanpub
Free Updates. DRM Free.
If you buy a Leanpub book, you get free updates for as long as the author updates the book! Many authors use Leanpub to publish their books in-progress, while they are writing them. All readers get free updates, regardless of when they bought the book or how much they paid (including free).
Most Leanpub books are available in PDF (for computers) and EPUB (for phones, tablets and Kindle). The formats that a book includes are shown at the top right corner of this page.
Finally, Leanpub books don't have any DRM copy-protection nonsense, so you can easily read them on any supported device.
Learn more about Leanpub's ebook formats and where to read them
