Mock Service Workerを使ってみた - Qiita

import { afterEach, vi, describe, expect, test } from 'vitest' const Api = { fetchPost: async () => { const response = await fetch('https://text.example.com/posts') return await response.json() } } describe('post', () => { const response = { posts: [{ id: '1', name: 'name1' }, { id: '2', name: 'name1' }] } afterEach(() => { vi.resetAllMocks() }) test('get posts', async () => { vi.spyOn(Api, 'fetch