Jest是一个基于JavaScript的测试框架,用于编写和运行前端代码的单元测试和集成测试。它提供了丰富的断言库和测试工具,可以帮助开发人员轻松地编写可靠的测试用例。 在Jest中,当出现"Ref...
I'm stuck with a jest test setup. I want to test some client side code, an electron preload script, to be precise and want to use rewire to test methods that are not exported. The script under test depends on a another script that accesseswindow.navigator. I canrequirethe ...
I'm never calling WebSocket directly; it’s a dependency of Asteroid. Why is Jest failing to load it? Also, this is supposed to be a defaultcreate-react-apptest to check the App "renders without crashing". But the app loads fine even though the Jest test says it should crash. My com...
I am working on Next.js with typescript, jest(ts-jest), and enzyme. whenever I try to test a component which is containing Recoil, the test failed with error like below. ReferenceError: Window is not defined at shouldNotBeFrozen (node_modules/recoil/cjs/recoil.js:5210:40) at deepFreeze...
import Web3 from 'web3'; const web3 = new Web3(window.ethereum); export default web3; 当next.js在服务器端呈现时,无论我在浏览器上导入这个web3,它都会抛出以下错误。 ReferenceError: window is not defined 我已经尝试过查找这个问题,但是所有的解决方案都建议使用一个if门来检查窗口是否在使用窗口...
kaiyoma changed the title [Bug]: [Bug]: "ReferenceError: exports is not defined" while trying to run Jest from ESM package May 4, 2023 kaiyoma mentioned this issue May 4, 2023 [Bug]: "ReferenceError: exports is not defined" while trying to run Jest from ESM package #14125 Closed...
1,安装Babel转换器: npm install babel-jest @babel/core @babel/preset-env -D 2,在项目根目录下新建一个.babelrc的文件,配置如下所示。 { "presets": [ [ "@babel/preset-env", { "targets": { "node":"current" } } ] ] } 3,再重新执行 =》npm run test image.png 就可以执行成功了 收获...
Referenceerror: window is not defined Uncaught referenceerror: jquery is not defined Conclusion In conclusion, the error message “ReferenceError: describe is not defined” typically occurs when you’re using a testing framework like Mocha or Jasmine and trying to use the “describe” function, but ...
If add (window as any).global = window;to polyfills.ts file I get the next error: Uncaught ReferenceError: Buffer is not defined at Object../node_modules/core-util-is/lib/util.js (util.js:103) at __webpack_require__ (bootstrap:84) ...
import auto invoking function binding this to window object Mock "is not assignable to parameter of type '() => [unknown, Dispatch<unknown>]'" How to test jest.fn().mock.calls in asynchronous function how can I spy on a function with jest How to p...