content: import React from 'react'
  import { shallow, mount } from 'enzyme'
  import { Navbar } from 'jmui'
  
  describe('Navbar', () => {
    it('should work with no props', () => {
      expect(shallow(<Navbar />).is('.navbar')).to.be.true
    })
  
    it('should has title', () => {
      expect(shallow(<Navbar />).find('.center')).to.have.length(1)
    })
  
    it('called componentDidMount', () => {
      sinon.spy(Navbar.prototype, 'componentDidMount')
      mount(<Navbar title='test' />)
      expect(Navbar.prototype.componentDidMount.calledOnce).to.be.true
    })
  })
  