What this library is not: A test runner or framework Specific to a testing framework (though we recommend Jest as our preference, the library works with any framework. SeeUsing Without Jest) NOTE: This library is built on top ofDOM Testing Librarywhich is where most of the logic behind the...
{render, fireEvent, screen} from '@testing-library/react' import HiddenMessage from '../hidden-message' test('shows the children when the checkbox is checked', () => { const testMessage = 'Test Message' render(<HiddenMessage>{testMessage}</HiddenMessage>) // query* functions will return...
React Testing Library builds on top of DOM Testing Library by adding APIs for working with React components. Installation To get started with React Testing Library, you'll need to install it together with its peerDependency @testing-library/dom: ...
Learn more about the utilities provided by react-testing-library to facilitate testing asynchronous interactions as well as selecting form elements from the react-testing-library documentation and examples.Using Third Party Assertion LibrariesWe recommend that you use expect() for assertions and jest.fn...
To test useCounter we need to render it using the renderHook function provided by react-hooks-testing-library: import { renderHook } from '@testing-library/react-hooks' import useCounter from './useCounter'test('should use counter', () => { ...
"@testing-library/jest-dom": "^4.2.4", "@testing-library/react": "^9.3.2", "@testing-library/user-event": "^7.1.2", ... }, We have the following packages installed specifically for testing purpose: @testing-library/jest-dom: provides custom DOM element matchers for Jest. ...
Learn more about the utilities provided by react-testing-library to facilitate testing asynchronous interactions as well as selecting form elements from the react-testing-library documentation and examples.Using Third Party Assertion LibrariesWe recommend that you use expect() for assertions and jest.fn...
import React from 'react'; import { render } from '@testing-library/react'; import HelloWorld from './HelloWorld'; test('renders a message', () => { const { getByText } = render(<MyComponent message="Hello, World!" />); const messageElement = getByText(/Hello, World!/i); expect...
In @ionic/react, testing is done using a combination of tools and libraries, including Jest or Vitest, React Testing Library, Playwright or Cypress.Types of TestsThere are two types of tests that can be written:Unit Tests: Unit tests are used to test individual functions and components ...
More information can be found in the@testing-library/react documentation. Let's write a couple integration tests for this withJest(orMocha) and@testing-library/react: import{render,fireEvent,cleanup}from'@testing-library/react';describe('feedback app',()=>{afterEach(cleanup);it('should show th...