WebMock 函数允许你测试代码之间的连接——实现方式包括：擦除函数的实际实现、捕获对函数的调用 ( 以及在这些调用中传递的参数) 、在使用 new 实例化时捕获构造函数的实例、允许测试时配置返回值。 有两种方法可以模拟函数：要么在测试代码中创建一个 mock 函数，要么编写一个 手动 mock 来覆盖模块依赖。 使用 mock 函数 假设我们要测试函数 forEach … WebCreates a pinia instance designed for unit tests that requires mocking the stores. By default, all actions are mocked and therefore not executed. This allows you to unit test your store and components separately. You can change this with the stubActions option.

Mocking a getter in Vuex + Jest - Toucan Toco

Web27 gen 2024 · If you are using mock functions, Vitest uses TinySpy and for fake timers, it uses @sinonjs/fake-timers. Check for compatibility. Also, remember to import {vi} from vitest if you will be using it. Another thing that you may need to configure is a setup file. For example, to use jest-dom matchers, we can create a setup file. WebWhen a manual mock exists for a given module, Jest's module system will use that module when explicitly calling jest.mock('moduleName').However, when automock is set to true, the manual mock implementation will be used instead of the automatically created mock, even if jest.mock('moduleName') is not called. To opt out of this behavior you will need to … how do you treat hbv

Testing Vue.js

This can be achieved with createTestingPinia (), which returns a pinia instance designed to help unit tests components. Start by installing @pinia/testing: shell. npm i -D @pinia/testing. And make sure to create a testing pinia in your tests when mounting a component: js. Web31 dic 2024 · Using jest.fn directly have a few use cases, for instance when passing a mocked callback to a function. jest.mock is powerful, but I mostly use it to prevent … WebCreates a pinia instance designed for unit tests that requires mocking the stores. By default, all actions are mocked and therefore not executed. This allows you to unit test your store and components separately. You can change this with the stubActions option. phonic am55