content: jest.mock('react-codemirror')
  import React from 'react'
  import renderer from 'react-test-renderer'
  import CodeEditor from '../../../components/ContentView/CodeEditor'
  
  describe('CodeEditor Component', () => {
      let content = "foo content",
          changeFn = jest.fn(),
          codeEditor = renderer.create(
              <CodeEditor content={content} onChange={changeFn}/>
          ),
          tree = codeEditor.toJSON()
      
      it('should render correctly', () => {
          // This actually does not render properly, but getting a full CodeMirror rendering
          // is cumbersome. This is hopefully good enough.
          // see: https://github.com/mitmproxy/mitmproxy/pull/2365#discussion_r119766850
          expect(tree).toMatchSnapshot()
      })
  
      it('should handle key down', () => {
          let mockEvent = { stopPropagation: jest.fn() }
          tree.props.onKeyDown(mockEvent)
          expect(mockEvent.stopPropagation).toBeCalled()
      })
  })
  