首先,如jest文档所述: 使用工厂参数的限制是,由于对jest.mock()的调用会被提升到文件的顶部,因此不可能先定义一个变量,然后在工厂中使用它。对于以单词'mock'开头的变量,有一个例外。你需要确保它们能够及时初始化! 这意味着您需要移动代码行以使其看起来像这样: // First the mock functions const mockMethod1...
import{playSoundFile}from"./sound-player";constmockPlaySoundFile=jest.fn();jest.mock("./sound-player.js",()=>{// ReferenceError: Cannot access 'mockPlaySoundFile' before initializationreturn{playSoundFile:mockPlaySoundFile};});test("only one test is needed",()=>{}); ...
vitest 的核心工作者给出的意见是在这种情况下使用 vi.doMock() 替换掉 vi.mock() ,因为 vi.mock() 会出现提升到顶层而忽略其他 import 的情况: 同样的有一些其他的奇怪 mock 问题抛错也可以使用该方法来解决,例如抛错 ReferenceError: Cannot access '__vite_ssr_import_1__' before initialization ,参考 ...
From there you have full access to all properties and functions exported by the module and you can mock everything you need. test-init.js jest.mock("my-module-name") //... other stuff my-component.test.js // here you will get the mocked version const myLibOrModule = require('my-...
ReferenceError: Cannot access 'vite_ssr_import_0' before initialization when using mocks mockではなくdoMockで回避できます 修正前 setup.ts import "@testing-library/jest-dom/extend-expect"; import { vi } from "vitest"; import * as moment from "./__mocks__/moment"; import * as momentTi...
[jest-runtime] Guard _isMockFunction access with in (#14188) [jest-snapshot] Fix a potential bug when not using prettier and improve performance (#14036) [@jest/transform] Do not instrument .json modules (#14048) [jest-worker] Restart a shut down worker before sending it a task (#140...
[jest-runtime] Guard _isMockFunction access with in (#14188) [jest-snapshot] Fix a potential bug when not using prettier and improve performance (#14036) [@jest/transform] Do not instrument .json modules (#14048) [jest-worker] Restart a shut down worker before sending it a task (#140...
If you use a custom server for your app in production and want to modify the title before it gets sent to the browser, you can follow advice inthis section. Alternatively, you can pre-build each page as a static HTML file which then loads the JavaScript bundle, which is coveredhere. ...
Runtime Error withemitDecoratorMetadata:ReferenceError: Cannot access 'AService' before initialization. More to read about it:angular/angular#30106andmicrosoft/TypeScript#27519 Angular AOT always handled this, but JIT only since recently (since this PRangular/angular-cli#14473). Basically a test with...
[jest-runtime] Guard _isMockFunction access with in (#14188) [jest-snapshot] Fix a potential bug when not using prettier and improve performance (#14036) [@jest/transform] Do not instrument .json modules (#14048) [jest-worker] Restart a shut down worker before sending it a task (#140...