当我们想要为 React 应用编写单元测试的时候,官方推荐是使用 React Testing Library + Jest 的方式。Enzyme 也是十分出色的单元测试库,我们应该选择哪种测试工具呢? 下面让我们看一个简单的计数器的例子,以及两个相应的测试:第一个是使用 Enzyme 编写的,第二个是使用 React Testing Library 编写的。 counter.js /...
下面让我们看一个简单的计数器的例子,以及两个相应的测试:第一个是使用Enzyme编写的,第二个是使用React Testing Library编写的。 counter.js // counter.js import React from "react"; class Counter extends React.Component { state = { count: 0 }; increment = () => this.setState(({ count }) =...
AI代码解释 // counter-rtl.test.jsimportReactfrom"react";import{render,fireEvent}from"@testing-library/react";importCounterfrom"./counter";describe("<Counter />",()=>{it("properly increments and decrements the counter",()=>{const{getByText}=render(<Counter/>);constcounter=getByText("0")...
You can use 'rerender' for a component when its props changed. Then if you wnat to check the alert message has gone when we rerender, you need to use 'queryByRole' instead of 'getByRole', because 'getByRole' will throw when the element is not there test('rerender the component wh...
[React Testing] Assert That Something is NOT Rendered with React Testing Library (with rerender & query) You can use 'rerender' for a component when its props changed. Then if you wnat to check the alert message has gone when we rerender, you need to use 'queryByRole' instead of '...
queryByTestId('HomeScreen')).toBeNull() expect(screen.getByTestId('SignInScreen')).toBeDefined() React: 18.1.0 React Native: 0.70.1 RN Testing Library: 11.2.0 React Test Renderer: 18.1.0 (I don't have this added explicitly in my project, included by RN Testing Library) 👍1 ️1...
appRender是一个函数,它调用 React Testing Library 中的render函数并将AppProvider添加为wrapper 需要这个函数是因为在我们的集成测试中,我们的组件依赖于AppProvider中定义的多个依赖项,如 React Query 上下文、通知 等等 提供AppProvider作为wrapper将在我们进行测试时用于渲染组件 ...
reacttypescripteslintstorybooktailwindcssvitezustandreactqueryreacthookformvitest UpdatedMay 3, 2024 TypeScript Downlist is a love letter to Anime Fans! Built in React/Next.js with Jikan API and inspired from myanimelist reactjavascriptcsstestingapianimereactjsnextjsmangamyanimelistreact-projectjavascript-...
Using React Hooks?Check outuse-query-paramsfor managing URL query parameters via hooks. A library for managing state through query parameters in the URL inReact. It integrates well withReact RouterandReduxand provides additional tools specifically targeted at serializing and deserializing state in URL...
"@testing-library/react": "^11.1.0", "@testing-library/user-event": "^12.1.10", "graphql": "^15.4.0", "graphql-tag": "^2.11.0", "react": "^17.0.1", "react-dom": "^17.0.1", "react-router-dom": "^5.2.0", "react-scripts": "4.0.1", ...