Witryna@testing-library/jest-dom @testing-library/jest-dom v5.16.5 Custom jest matchers to test the state of the DOM For more information about how to use this package see README Latest version published 8 months ago License: MIT NPM GitHub Copy Ensure you're using the healthiest npm packages WitrynaReact Testing Library versions 13+ require React v18. If your project uses an older version of React, be sure to install version 12: npm install --save-dev @testing-library/react@12 yarn add --dev @testing-library/react@12 You may also be interested in installing @testing-library/jest-dom so you can use the custom jest matchers. Docs
reactjs - How to config jest jsdom environment? - Stack Overflow
Witryna@testing-library/jest-dom includes a set of convenient custom matchers such as .toBeInTheDocument () making it easier to write tests. You can import the custom matchers for every test by adding the following option to the Jest configuration file: // jest.config.js setupFilesAfterEnv: ['/jest.setup.js'] Witryna3 lut 2024 · the src/setupTests.js Jest config file will need to include: 1 import '@testing-library/jest-dom'; and whatever else you'll be using. You can keep Enzyme installed alongside of RTL. The same npm test command runs Jest and now Jest just has access to the RTL code as well. Technique #1: Snapshot tests with RTL orange county tax administration
React Testing Library - podstawy - Frontlive.pl
WitrynaThis library has peerDependencies listings for react and react-dom. React Testing Library versions 13+ require React v18. If your project uses an older version of React, be sure to install version 12: npm install --save-dev @testing-library/react@12 yarn add --dev @testing-library/react@12 Witryna7 wrz 2024 · I installed jest-dom via npm i --save-dev @testing-library/jest-dom, then added the import to my setup-jest.ts file, which is loaded in during jest startup as … Witryna4 sty 2024 · // __tests__/login.js // again, these first two imports are something you'd normally handle in // your testing framework configuration rather than importing them in every file. import '@testing-library/jest-dom' import * as React from 'react' // import API mocking utilities from Mock Service Worker. import {rest} from 'msw' import … iphone rings