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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

Using the location query string to store component state

In the current implementation of CustomerSearch, we save the search configuration—the search term, the row limit, and the last row IDs—in a component state. But if we move the search configuration to the browser's query string, the user will be able to bookmark search pages, or share them with colleagues.

A search URL might look as follows:

/searchCustomers?searchTerm=An&limit=20&previousRowIds=20

What will need to change in our implementation to support this design change?

We'll replace onClick handlers with Link components. That skips the need to use the useState hook. Our search parameters will be passed back into our component when React Router re-renders the component with new props values.

One unfortunate thing about URLs as states, is that they tend to have a longer life than component...
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