import React from 'react'; import { mount } from 'enzyme'; import Popover from '..'; describe('Popover', () => { it('should show overlay when trigger is clicked', () => { const popover = mount( show me your code , ); expect(popover.instance().getPopupDomNode()).toBe(null); popover.find('span').simulate('click'); const popup = popover.instance().getPopupDomNode(); expect(popup).not.toBe(null); expect(popup.className).toContain('ant-popover-placement-top'); expect(popup.innerHTML).toMatchSnapshot(); expect(popup.innerHTML).toMatchSnapshot(); }); });