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...
安装与引入React-Testing-Library 要开始使用React-Testing-Library,首先需要安装它。可以通过npm或yarn来安装: npm install --save-dev @testing-library/react # 或者 yarn add --dev @testing-library/react 安装完成后,可以在测试文件中引入: import '@testing-library/jest-dom/extend-expect'; import { rende...
怎样用React Testing Library测试自定义Hook? 原文:https://css-tricks.com/testing-react-hooks-with-enzyme-and-react-testing-library/ 当你开始在应用中使用React Hooks时,你需要确保编写的代码是可靠的。确保代码没有bug的一种方法就是编写测试用例。测试React hooks与测试一般程序的方式没有太大区别。 在本教程...
Jest 和React Testing Library (RTL) 是前端开发中用于测试 React 应用的首选工具。Jest 是一个功能丰富的JavaScript测试框架,而React Testing Library 是一种提倡以用户角度编写测试的库,它鼓励测试组件的行为而不是内部实现细节。 安装和配置 首先,确保你已经安装了react, react-dom, jest, @testing-library/react...
npm install --save-dev jest @testing-library/react @testing-library/jest-dom 安装完所需的库之后,在项目的根目录下创建一个jest.config.js文件,并配置Jest设置: module.exports = { moduleFileExtensions: ['js', 'jsx', 'json', 'node'], ...
How to use React Testing Library Let’s jump into how to use React Testing Library (RTL) with some specific examples. Writing a Basic Test: Let’s say you have a component in your app that displays a simple text message, like Hello, World!. You want to make sure this message is actu...
在现代的React中,Jest是最热门的JavaScript程序的测试框架,我们不可避免要去接触。如果是通过 create-react-app 来创建项目,则 Jest 及 React Testing Library 已经默认安装了,在package.json可以看到test script,我们可以通过npm test来运行测试。在此之前,我们先看下面的测试代码: ...
TypeScript Examples The following examples show how to use @testing-library/react-hooks#act. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related...
使用React Testing Library 和 Jest 完成单元测试 引言 在2020的今天,构建一个 web 应用对于我们来说,并非什么难事。因为有很多足够多优秀的的前端框架(比如 react,vue 和 Angular);以及一些易用且强大的UI库(比如 Ant Design)为我们保驾护航,极大地缩短了应用构建的周期。
ExamplesBasic Example// hidden-message.js import * as React from 'react' // NOTE: React Testing Library works well with React Hooks and classes. // Your tests will be the same regardless of how you write your components. function HiddenMessage({children}) { const [showMessage, set...