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Simplify Testing with React Testing Library

You're reading from   Simplify Testing with React Testing Library Create maintainable tests using RTL that do not break with changes

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Product type Paperback
Published in May 2021
Publisher Packt
ISBN-13 9781800564459
Length 246 pages
Edition 1st Edition
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Author (1):
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Scottie Crump Scottie Crump
Author Profile Icon Scottie Crump
Scottie Crump
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Table of Contents (10) Chapters Close

Preface 1. Chapter 1: Exploring React Testing Library 2. Chapter 2: Working with React Testing Library FREE CHAPTER 3. Chapter 3: Testing Complex Components with React Testing Library 4. Chapter 4: Integration Testing and Third-Party Libraries in Your Application 5. Chapter 5: Refactoring Legacy Applications with React Testing Library 6. Chapter 6: Implementing Additional Tools and Plugins for Testing 7. Chapter 7: End-to-End UI Testing with Cypress 8. Answers 9. Other Books You May Enjoy

Refactoring tests to comply with common testing best practices

In the previous section, we learned how to refactor tests created with ReactTestUtils. In this section, we will cover a few scenarios where we can refactor existing test code to be more robust and maintainable. We will use the following feedback form application to illustrate examples:

Figure 5.9 – Feedback form

Figure 5.9 – Feedback form

In the preceding screenshot, we have a form for users to complete the Name and Email fields, as well as select a rating, enter comments, and finally, submit their information. If a user tries to submit the form with blank values for the required fields, an error message is displayed:

Figure 5.10 – Feedback form error validation

In the preceding screenshot, form validation errors are displayed under each input with blank values. Finally, when a user submits the form with valid input data, a Thank you message is displayed:

Figure 5.11 – Submitted feedback form ...
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