App.test.js

import React from 'react';
import App from './App';
import { mount } from 'enzyme';

test('toggle should be rendered', () => {
  const wrapper = mount(<App/>);
  const toggle = wrapper.find('#dark_mode_toggle');
  console.log(wrapper);
  
  expect(toggle).to.have.lengthOf(1);
  
});


// test('Link changes the class when hovered', () => {
//   const component = renderer.create(
//     <Link page="http://www.facebook.com">Facebook</Link>,
//   );