/* This file is part of GNU Taler (C) 2021 Taler Systems S.A. GNU Taler is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 3, or (at your option) any later version. GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with GNU Taler; see the file COPYING. If not, see */ /** * * @author Sebastian Javier Marchano (sebasjm) */ import { renderHook, act} from '@testing-library/preact-hooks'; import { useNotifications } from '../../src/hooks/notifications'; jest.useFakeTimers() test('notification should disappear after timeout', () => { jest.spyOn(global, 'setTimeout'); const timeout = 1000 const { result, rerender } = renderHook(() => useNotifications(undefined, timeout)); expect(result.current?.notifications.length).toBe(0); act(() => { result.current?.pushNotification({ message: 'some_id', type: 'INFO' }); }); expect(result.current?.notifications.length).toBe(1); jest.advanceTimersByTime(timeout/2); rerender() expect(result.current?.notifications.length).toBe(1); jest.advanceTimersByTime(timeout); rerender() expect(result.current?.notifications.length).toBe(0); });