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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

Writing Gherkin-style tests with Cucumber

In the previous section, we learned how to use Cypress to test API responses. In this section, we will learn how to create Gherkin-style tests with Cucumber. Gherkin is a behavior-driven development language used by Cucumber to describe test scenarios' behavior in a plain-English format. Tests written in Gherkin also make it easier for software teams to communicate and provide context for test cases with business leaders.

Gherkin uses the following keywords: Feature, Scenario, Given, When, and Then. Feature is used to describe the thing to build, such as a login page, for example. Scenario describes the user flow for the feature. For example, a user can enter a username, password, and click Login to navigate to their profile page.

The Given, When, and Then keywords describe the scenario at different stages. We could write a complete Gherkin test for a login feature like so:

Feature: Login
  Scenario: A user can enter...
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