import {createVideoAdContainer} from '../createVideoAdContainer'
import {VideoAdContainer} from '../VideoAdContainer'

let placeholder: HTMLElement

beforeEach(() => {
  placeholder = document.createElement('DIV')
  document.body.appendChild(placeholder)
})

afterEach(() => {
  document.body.removeChild(placeholder)
})

test('createVideoAdContainer must return a VideoAdContainer', () => {
  expect(createVideoAdContainer(placeholder)).toBeInstanceOf(VideoAdContainer)
})

test('createVideoAdContainer must resolve to a VideoAdContainer', () => {
  const videoAdContainer = createVideoAdContainer(placeholder)

  expect(videoAdContainer).toBeInstanceOf(VideoAdContainer)
})

test("createVideoAdContainer must complain if you don't pass a placeholder", () => {
  expect(createVideoAdContainer).toThrowError(TypeError)
})