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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

Writing your first Cucumber test

If you're reading an electronic version of this book, be careful copying and pasting sections, as you may lose formatting. Cucumber feature files are sensitive to indenting. The default indent is two spaces at each level.

We'll learn about Cucumber as we walk through an example:

  1. Before we begin, it's important to ensure that your build output is up to date. Your Cucumber specs are going to run against the code built in the dist directory, not your source in the src directory. Invoke npm run build to make sure that happens. You'll need to remember to do this each time you modify your source files.
You could also modify your package.json to invoke a build before Cucumber specs are run, or to run Webpack in watch mode. See the Further learning section for a link.
  1. Open the file features/sharing.feature and enter the following...
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