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Mastering React Test-Driven Development

You're reading from   Mastering React Test-Driven Development Build rock-solid, well-tested web apps with React, Redux and GraphQL

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Product type Paperback
Published in May 2019
Publisher Packt
ISBN-13 9781789133417
Length 496 pages
Edition 1st Edition
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Author (1):
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Daniel Irvine Daniel Irvine
Author Profile Icon Daniel Irvine
Daniel Irvine
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Table of Contents (21) Chapters Close

Preface 1. Section 1: First Principles of TDD FREE CHAPTER
2. First Steps with Test-Driven Development 3. Test-driving Data Input with React 4. Exploring Test Doubles 5. Creating a User Interface 6. Section 2: Building a Single-Page Application
7. Humanizing Forms 8. Filtering and Searching Data 9. Test-driving React Router 10. Test-driving Redux 11. Test-driving GraphQL 12. Section 3: Interactivity
13. Building a Logo Interpreter 14. Adding Animation 15. Working with WebSockets 16. Section 4: Acceptance Testing with BDD
17. Writing Your First Acceptance Test 18. Adding Features Guided by Acceptance Tests 19. Understanding TDD in the Wider Testing Landscape 20. Other Books You May Enjoy

Adding Animation

Animation lends itself to test-driven development just as much as any other feature. However, it also lends itself to manual testing, since it helps to observe if our code is doing the right thing according to our eyes. This is particularly true because animation is not something that most programmers do every day. When something is new, it's often better to do lots of manual tests to verify behavior in addition to your tests.

In fact, while preparing for this chapter I did a lot of manual testing. The walk-through that you're about to be presented with was not a start-to-finish affair for me. I had to play with a number of different approaches, taking many wrong turns. There were many times that I opened my browser to the forward 100 or right 90 type to verify what was actually happening.

Once my code was working, I then had to refactor it and clean...

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