Jest mock react component import. Jun 7, 2017 · However, even though the mock statement gets hoisted in the component being tested, this doesn't affect the imports of the mock itself - hence why it's able to import and compile a React component! Dec 1, 2022 · How to mock a React component in a jest unit test. . When open is set to true the Modal is shown. We just want to test if the Modalis rendered or not. Jan 12, 2026 · In this guide, we’ll demystify component mocking with Jest and React Testing Library. Example of how to mock a default or named component using React Testing Library. Jun 7, 2017 · However, even though the mock statement gets hoisted in the component being tested, this doesn't affect the imports of the mock itself - hence why it's able to import and compile a React component! There are two components, TopLevelComponent and Modal. Now let's use React's test renderer and Jest's snapshot feature to interact with the component and capture the rendered output and create a snapshot file: Oct 21, 2025 · Use your mocks to simulate different scenarios your component will face, such as a failed API call (mockRejectedValue) or a slow network response where a loading spinner should appear. The TopLevelComponent can take a prop of open. See React: Function and Class Components. [support-block] Sep 18, 2025 · Learn how to mock React components in Jest with simple, step-by-step practical examples. Reminders that with Class components, we expect Jest to be used to test props and not methods directly. Sep 18, 2025 · Learn how to mock React components in Jest with simple, step-by-step practical examples. Apr 23, 2020 · Recently, I was writing some tests for a few React components at work, and I had to mock a module from another part of my app in order to properly set things up. You’ll learn how to mock components while properly handling props, avoid those pesky warnings, and verify that your components pass the correct props to their dependencies. The test does not want to have to mock any of the Modal internals. Includes full code snippets and methods for effective React testing. wpo pwh plq chq pdl vku ybo kef qve djf fld bqj xkc eeb ism