content: import React from 'react';
  import { shallow } from 'enzyme';
  import { NavItem } from '../';
  
  describe('NavItem', () => {
    it('should render .nav-item markup', () => {
      const wrapper = shallow(<NavItem />);
  
      expect(wrapper.html()).toBe('<li class="nav-item"></li>');
    });
  
    it('should render custom tag', () => {
      const wrapper = shallow(<NavItem tag="div" />);
  
      expect(wrapper.html()).toBe('<div class="nav-item"></div>');
    });
  
    it('sholid render children', () => {
      const wrapper = shallow(<NavItem>Children</NavItem>);
  
      expect(wrapper.html()).toBe('<li class="nav-item">Children</li>');
    });
  
    it('should pass additional classNames', () => {
      const wrapper = shallow(<NavItem className="extra" />);
  
      expect(wrapper.hasClass('extra')).toBe(true);
      expect(wrapper.hasClass('nav-item')).toBe(true);
    });
  
    it('should render active class', () => {
      const wrapper = shallow(<NavItem active />);
  
      expect(wrapper.hasClass('active')).toBe(true);
    });
  });
  