import React from 'react'; import { shallow } from 'enzyme'; import Checkbox from '../../components/checkbox'; describe('Checkbox', () => { it('responses hover events', () => { const onMouseEnter = jest.fn(); const onMouseLeave = jest.fn(); const wrapper = shallow( ); wrapper.simulate('mouseenter'); expect(onMouseEnter).toHaveBeenCalled(); wrapper.simulate('mouseleave'); expect(onMouseLeave).toHaveBeenCalled(); }); });