Tag: Testing

All the articles with the tag "Testing".

• How to test a className with Jest and React testing library

  Updated:Oct 24, 2026 |  at 08:20 PM

  React Testing Library has no getByClassName. Query by role or text, assert the class with toHaveClass, and use querySelector only when you need a class name.

• Test complex DOM structures with React Testing Library

  Updated:Nov 15, 2024 |  at 06:24 AM

  Optimize DOM Testing using React Testing Library for enhanced accuracy, maintainability, and precise UI targeting with specific queries and options

• How to Test Props in React with Jest

  Updated:Oct 18, 2023 |  at 04:16 PM

  Mock a child React component with Jest, render its props as text, and assert that the parent passed the props you expect.

• Mocking GraphQL response for React components using MockedProvider

  Updated:Feb 26, 2023 |  at 06:06 PM

  In GraphQL-powered React apps, testing component behavior based on GraphQL data is a common scenario. Let's see how to achieve that with MockedProvider.

• How to speed up your integration tests

  Updated:Jun 14, 2023 |  at 10:08 AM

  In this post, I'll show you how we speed up the build process for one of our clients. Now they can run 40% more builds on the same budget.

• How to Write Stronger Unit Tests with Jest

  Updated:Jun 14, 2023 |  at 10:08 AM

  We'll explore why weak tests can leave changes in behavior to land unnoticeably and what we can do to catch these changes early.