Hooks can only be called inside of the body of a function component - 这是因为你的 React 渲染环境需要修改,将 Jest 的配置中 "testEnvironment" 设置为 "jsdom" 即可 无法识别 import/export 等模块引入关键字 - Jest 默认为 CommonJS 标准,不支持 ES Modules 标准,需要为指定文件范围设定 "extensionsTo...
我在React 应用程序的 Jest 测试中遇到 SyntaxError: Unexpected token 'export' error,正在寻求解决方案来解决 Jest 中的此配置问题。 SyntaxError: Unexpected token 'export' 3 | import Button from "react-bootstrap/Button"; 4 | import { AiOutlineDownload } from "react-icons/ai"; > 5 | import { ...
ChatGPT 告诉我 React 批量调用,所以你不需要换行:“在 React 17 及更高版本中,您通常不需要在测试中手动将更新包装在 act 调用中。相反,React 会在 Jest 等测试环境中自动批量更新。”当我删除 act时,测试失败。 我应该用什么来替代 act? 这是我的测试:import '@testing-library/jest-dom' import { act...
Parameterized snapshot tests in Jest allow you to dynamically test multiple input-output scenarios while leveraging Jest’s built-in snapshot testing functionality. This is particularly useful when you want to verify that a component or function produces consistent outputs across different sets of input...
问使用react jest测试在requireJS中创建的组件，抛出错误:未定义ReferenceError: defineEN你或许早已经知道...
问异步测试在Jest中响应导航5: NavigationContainer导致控制台错误EN我只能通过将expect和render调用放在同一...
Step 3: Writing Snapshot Tests for React Component In this subsection of this Jest tutorial, we will write snapshot tests for the React component we’ve just created. Follow the given step-by-step process to write and execute a snapshot test. Open your terminal and install `react-test-ren...
Step 1 — Creating a React Component to Test First, in order to have something to test, you will need to create a React App usingCreate React App. For this tutorial, the project will be calledreact-snapshot-tests. Open your terminal and run the following command: ...
Jest：期望组件内部的函数已被调用因为您没有将模拟handleSubmit传递给<MyForm/>组件。您应该将它作为...
You can create test files, import Jest functions, and write test cases to capture and validate snapshots of your component or function outputs. Read More: React Testing: How to test React components? Steps to Set Up Snapshot Testing in Jest Step 1: Create a New Project –Start by creating...