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 You may also be interested in installing @testing-library/jest-dom...
例如fireEvent.change()仅仅会触发change事件,而userEvent.type可以触发的不仅仅是change事件,还有keDown、keyPress、keyUp事件等等。 import React from 'react';import { render, screen } from '@testing-library/react';import userEvent from '@testing-library/user-event';import App from './App'; describe(...
TestingLibraryElementError: Unable to find an accessible element with the role "blah" Here are the accessible roles: button: Name "Hello World": --- Hello World 这里要注意的是,我们并没有为 设置Role 而加上 role=button。因为这是隐式的 Role,下一节会详细说明。 建议:阅读...
importReactfrom'react';import{ render, screen }from'@testing-library/react';importAppfrom'./App';describe('App',() =>{test('renders App component',() =>{render(<App/>);// implicit assertion:隐式断言screen.getByText('Search:');// explicit assertion:显式断言// 更推荐该方法expect(scree...
react-testing-library version: 7.0.1 react version: 16.8.6 node version: 12.2.0 npm (or yarn) version: npm 6.9.0 jest version: 24.8.0 ts-jest version: 24.0.2 Relevant code or config: Here’s the Jest config and test file that’s failing: m...
第一步:安装Jest、React testing library、Jest-dom npm install --save-dev @testing-library/react @testing-library/jest-dom jest 第二步:生成Jest配置 通过全局的Jest命令行,在项目下生成Jest配置。 先全局安装Jest npm install -g jest 接着在对应项目下生成Jest配置 ...
引入React-Testing-Library React-Testing-Library简介 React-Testing-Library 是一个为React应用编写测试的库。它基于Jest测试框架,提供更接近用户操作的测试方法,使测试更加自然和易懂。React-Testing-Library的核心思想是“模拟真实用户的行为”,即编写测试时应尽可能模仿真实用户与应用交互的方式。这样可以确保测试反...
React Testing Library是一个用于测试React组件的工具库。它提供了一组简单而强大的API,用于模拟用户与组件的交互,并对组件的输出进行断言。 React Testing Library的主要特点包括: 简单易用:React Testing Library的API设计简单直观,易于上手和使用。它遵循"测试组件应该像真实用户一样使用它们"的原则,使得测试更加贴近...
简介:【4月更文挑战第25天】本文探讨了使用Jest和React Testing Library进行React测试的方法。Jest是Facebook推出的JavaScript测试框架,适合React测试,提供全面的API和功能。React Testing Library侧重于组件行为,提倡按用户交互方式测试。安装这两个工具后,可通过编写测试用例(如模拟点击事件)来验证组件功能。运行Jest可执...
The Preact Testing Library is a very lightweight solution for testing Preact components. It provides light utility functions on top of preact/test-utils, in a way that encourages better testing practices. Its primary guiding principle is: ...