import {waitFor} from '@testing-library/react'; import {RenderOptions} from '../src/factory'; // jest.useFakeTimers 会修改 global 的 setTimeout 所以需要把原始的记录下来。 const timerFn = (global as any).originSetTimeout || setTimeout; export function wait(duration: number, fnOrUseWaitFor?: Function | boolean) { const useWaitFor = fnOrUseWaitFor !== false; const fn = ( typeof fnOrUseWaitFor === 'function' ? fnOrUseWaitFor : undefined ) as Function; return useWaitFor ? waitFor( () => new Promise(resolve => { timerFn(() => { fn && fn(); resolve(); }, duration); }), { timeout: duration + 100 } ) : new Promise(resolve => { timerFn(() => { fn && fn(); resolve(); }, duration); }); } export function makeEnv(env?: Partial): RenderOptions { return { session: 'test-case', isCancel: () => false, notify: (msg: string) => null, jumpTo: (to: string) => console.info('Now should jump to ' + to), alert: msg => console.info(`Alert: ${msg}`), ...env }; } export const createMockMediaMatcher = (matchesOrMapOfMatches: any) => (qs: any) => ({ matches: typeof matchesOrMapOfMatches === 'object' ? matchesOrMapOfMatches[qs] : matchesOrMapOfMatches, media: '', addListener: () => {}, addEventListener: () => {}, removeEventListener: () => {}, onchange: () => {}, removeListener: () => {}, dispatchEvent: () => { return true; } }); // Mock IntersectionObserver class IntersectionObserver { observe = jest.fn(); disconnect = jest.fn(); unobserve = jest.fn(); } Object.defineProperty(window, 'IntersectionObserver', { writable: true, configurable: true, value: IntersectionObserver }); Object.defineProperty(global, 'IntersectionObserver', { writable: true, configurable: true, value: IntersectionObserver });