Routes.spec.js

import React from 'react';
import { shallow } from 'enzyme';
import PrivateRoute from './Routes.js';

const mockComponent = <h1>Test component</h1>;

describe('Routes Unit Test', () => {
  describe('Happy path', () => {
    test('It should render a component when isUserLogged is true', () => {
      const wrapper = shallow(<PrivateRoute component={mockComponent} isUserLogged={true}/>);
      const { type: { props } } = wrapper.find('Route').props().render();

      expect(wrapper.find('Route')).toHaveLength(1);
      expect(props.children).toEqual('Test component');
    });

    test('It should redirect to "/" when isUserLogged is false', () => {
      const wrapper = shallow(<PrivateRoute component={mockComponent} isUserLogged={false}/>);
      const renderedComponent = wrapper.find('Route').props().render();

      expect(wrapper.find('Route')).toHaveLength(1);
      expect(renderedComponent.props).toHaveProperty('to', '/');
    });
  });

  // describe('Sad Path', () => {});
});