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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
2. First Steps with Test-Driven Development FREE CHAPTER 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

Fetching data on load with useEffect

The Git tag for this section is load-available-time-slots. It contains solutions to the exercises from the previous chapter, so if you haven't completed the Exercises section yourself, then you should move to this tag now so that you're up to date.

For more detailed instructions, see the To get the most out of this book section in the Preface.

When we built our AppointmentForm component, we passed in availableTimeSlots as a prop. We passed sample data to check that our form was displaying those time slots correctly.

Our server offers an endpoint that returns us this week's available time slots:

GET /availableTimeSlots

In this section, we'll make a fetch request to the endpoint when our application first loads. As we saw in the previous chapter, each time we use fetch to pull data, we need at least two tests: one to check...

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