import { setCustomEmojis } from '../actions/customEmojis'; import { ICustomEmojis, initialState } from './customEmojis'; import { mockedStore } from './mockedStore'; describe('test reducer', () => { it('should return initial state', () => { const state = mockedStore.getState().customEmojis; expect(state).toEqual(initialState); }); it('should return modified store after action', () => { const emojis: ICustomEmojis = { dog: { name: 'dog', extension: 'jpg' }, cat: { name: 'cat', extension: 'jpg' } }; mockedStore.dispatch(setCustomEmojis(emojis)); const state = mockedStore.getState().customEmojis; expect(state).toEqual(emojis); }); });