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In React, E2E testing helps to ensure that the code you wrote is functional and your app works as intended, allowing you to catch bugs in your code before your app is live. End-to-end testing (E2E) : Confirms that the entire range of features works from the user’s perspectiveĮnd-to-end tests simulate actual user actions and are designed to test how a real user would likely use the application.Integration testing: Individual units or features of the app are combined and tested as a group.

Unit testing : Checks that individual units of code, mainly functions, work as expected.

In React applications, there are three common approaches to testing: Testing is a crucial factor in ensuring that your application works as expected. React end-to-end testing with Jest and PuppeteerĮditor’s note: This tutorial was last updated and validated for accuracy on 20 September 2022.

Wannabe designer and Chief Procrastinator at and. Yomi Eluwande Follow JavaScript developer.