import React from 'react'; import { render, mount } from 'enzyme'; import { renderToJson } from 'enzyme-to-json'; import { Slider } from '../src'; describe('Slider', function () { it('renders correctly', () => { const wrapper = render(<Slider />); expect(renderToJson(wrapper)).toMatchSnapshot(); }); it('renders with props', () => { const wrapper = render( <Slider label="Hi" min={1} max={10} value={5} step={1} disabled onChange={() => {}} /> ); expect(renderToJson(wrapper)).toMatchSnapshot(); }); it('should handle the change event', () => { const onChange = jest.fn(); const wrapper = mount(<Slider value={1} autoFocus onChange={onChange} />); wrapper.find('input').simulate('change'); expect(onChange).toBeCalled(); expect(onChange).toBeCalledWith(1); }); });