如何解决 testing-library-react 中的“更新未包含在 act() 中”警告? 我正在使用一个会产生副作用的简单组件。我的测试通过了,但我收到警告Warning: An update to Hello inside a test was not wrapped in act(...).。 我也不知道waitForElement是否是编写此测试的最佳方式。 我的组件 export default functi...
react-dom/test-utils提供了一个名为act（）的帮助器，它确保在进行任何Assert之前，与这些“单元”相关...
// 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, setShowMessage] = React....
遵循AAA 模式:Arrange , Act , Assert 用以下的代码作为测试: import React from "react"; import { fireEvent, render, screen } from "@testing-library/react"; import Counter from "./counter"; describe("<Counter />", () => { it("properly increments and decrements the counter", () => {...
reactjs 在真正需要使用`act`函数时使用@testing-library/React？act（）docs：在编写UI测试时，渲染、...
This project is inspired byReact Testing Library. Tested to work with Jest, but it should work with other test runners as well. Installation Open a Terminal in your project's folder and run: #Yarn install:yarn add --dev @testing-library/react-native#NPM installnpm install --save-dev @tes...
React-hooks-testing-library 例子 什么是单元测试 单元测试的定义 要理解单元测试,我们先来给测试下个定义。用最简单的话来说测试就是:我们给被测试对象一些输入(input),然后看看这个对象的输出结果(output)是不是符合我们的预期(match with expected result)。而在软件工程里面有很多不同类型的测试,例如单元测试(un...
React-hooks-testing-library 例子 什么是单元测试 单元测试的定义 要理解单元测试,我们先来给测试下个定义。用最简单的话来说测试就是:我们给被测试对象一些输入(input),然后看看这个对象的输出结果(output)是不是符合我们的预期(match with expected result)。而在软件工程里面有很多不同类型的测试,例如单元测试(un...
testing this async code. Also, you must be careful if you are using async callings inside the useEffect hook. I was concerned about this but I was doing it wrong in some parts. I'll share with you what I'm doing with my code now, which thanks to the tests and the library, I ...
import { render, cleanup } from "@testing-library/react"; import { useAsync } from "../../hooks"; afterEach(cleanup); const MockComponent = (props) => { const { status } = useAsync(props.callback, props.immediate); return {status} }; const defaultCallback...