Jest fetch mock example

// api.test.js import { fetchWeather, fetchLocation, } from './api'; import WEATHER from '../../fixtures/weather'; import LOCATION from '../../fixtures/location'; describe('api', () => { const mockFetch = (data) => { global.fetch = jest.fn().mockResolvedValue({ async json() { return data; }, }); }; describe('fetchWeather', () => { beforeEach(() => { mockFetch(WEATHER); }); it('returns weather', ..