import { shallow } from 'enzyme'; import renderer from 'react-test-renderer'; import Button from '../button'; describe('', () => { it('renders a button element', () => { const component = renderer.create(); const tree = component.toJSON(); expect(tree).toMatchSnapshot(); }); it('renders the given text', () => { const text = 'foo'; const component = renderer.create(); const tree = component.toJSON(); expect(tree).toMatchSnapshot(); }); it('handles click events using the given handler', () => { const handler = jest.fn(); const button = shallow(); button.find('button').simulate('click'); expect(handler.mock.calls.length).toEqual(1); }); it('does not handle click events if props.disabled given', () => { const handler = jest.fn(); const button = shallow(); button.find('button').simulate('click'); expect(handler.mock.calls.length).toEqual(0); }); it('renders a disabled attribute if props.disabled given', () => { const component = renderer.create(); const tree = component.toJSON(); expect(tree).toMatchSnapshot(); }); it('renders the children', () => { const children =
children
; const component = renderer.create(); const tree = component.toJSON(); expect(tree).toMatchSnapshot(); }); it('renders the props.text instead of children', () => { const text = 'foo'; const children =children
; const component = renderer.create(); const tree = component.toJSON(); expect(tree).toMatchSnapshot(); }); it('renders class="button--block" if props.block given', () => { const component = renderer.create(); const tree = component.toJSON(); expect(tree).toMatchSnapshot(); }); it('adds class "button--secondary" if props.secondary given', () => { const component = renderer.create(); const tree = component.toJSON(); expect(tree).toMatchSnapshot(); }); });