awesome-react/src/App.test.jsx

A basic web app from React, called awesome-react

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

describe('<App />', () => {
  it('should render a header', () => {
    const wrapper = shallow(<App />);
    expect(wrapper.find('header')).toHaveLength(1);
  });
});