content: import React from 'react'
  import renderer from 'react-test-renderer'
  import { Provider } from 'react-redux'
  import ConnectedComponent, { ShowFullContentButton } from '../../../components/ContentView/ShowFullContentButton'
  import { TStore } from '../../ducks/tutils'
  
  
  describe('ShowFullContentButton Component', () => {
      let setShowFullContentFn = jest.fn(),
          showFullContentButton = renderer.create(
              <ShowFullContentButton
                  setShowFullContent={setShowFullContentFn}
                  showFullContent={false}
                  visibleLines={10}
                  contentLines={20}
              />
          ),
          tree = showFullContentButton.toJSON()
  
      it('should render correctly', () => {
          expect(tree).toMatchSnapshot()
      })
  
      it('should handle click', () => {
          tree.children[0].props.onClick()
          expect(setShowFullContentFn).toBeCalled()
      })
  
      it('should connect to state', () => {
          let store = TStore(),
              provider = renderer.create(
                  <Provider store={store}>
                      <ConnectedComponent/>
                  </Provider>
              ),
              tree = provider.toJSON()
          expect(tree).toMatchSnapshot()
      })
  })
  