import { expect } from 'chai'; import { shallow, mount } from 'enzyme'; import sinon from 'sinon'; import DropdownMenu from '../../../app/assets/javascripts/components/components/dropdown_menu'; import Dropdown, { DropdownTrigger, DropdownContent } from 'react-simple-dropdown'; describe('<DropdownMenu />', () => { const icon = 'my-icon'; const size = 123; const action = sinon.spy(); const items = [ { text: 'first item', action: action, href: '/some/url' }, { text: 'second item', action: 'noop' } ]; const wrapper = shallow(<DropdownMenu icon={icon} items={items} size={size} />); it('contains one <Dropdown />', () => { expect(wrapper).to.have.exactly(1).descendants(Dropdown); }); it('contains one <DropdownTrigger />', () => { expect(wrapper.find(Dropdown)).to.have.exactly(1).descendants(DropdownTrigger); }); it('contains one <DropdownContent />', () => { expect(wrapper.find(Dropdown)).to.have.exactly(1).descendants(DropdownContent); }); it('uses props.size for <DropdownTrigger /> style values', () => { ['font-size', 'width', 'line-height'].map((property) => { expect(wrapper.find(DropdownTrigger)).to.have.style(property, `${size}px`); }); }); it('uses props.icon as icon class name', () => { expect(wrapper.find(DropdownTrigger).find('i')).to.have.className(`fa-${icon}`) }); it('renders list elements for each props.items', () => { const lis = wrapper.find(DropdownContent).find('li'); expect(lis.length).to.be.equal(items.length); }); it('uses the href passed in via props.items', () => { wrapper .find(DropdownContent).find('li a') .forEach((a, i) => expect(a).to.have.attr('href', items[i].href)); }); it('uses the text passed in via props.items', () => { wrapper .find(DropdownContent).find('li a') .forEach((a, i) => expect(a).to.have.text(items[i].text)); }); it('uses the action passed in via props.items as click handler', () => { const wrapper = mount(<DropdownMenu icon={icon} items={items} size={size} />); wrapper.find(DropdownContent).find('li a').first().simulate('click'); expect(action.calledOnce).to.equal(true); }); });