bootstrap-vue/src/components/embed/embed.spec.js

BootstrapVue, with over 40 plugins and more than 75 custom components, provides one of the most comprehensive implementations of Bootstrap v4 components and grid system for Vue.js. With extensive and automated WAI-ARIA accessibility markup.

import { mount } from '@vue/test-utils'
import BEmbed from './embed'

describe('embed', () => {
  it('default should have expected default structure', async () => {
    const wrapper = mount(BEmbed)

    expect(wrapper.is('div')).toBe(true)
    expect(wrapper.classes()).toContain('embed-responsive')
    expect(wrapper.classes()).toContain('embed-responsive-16by9')
    expect(wrapper.classes().length).toBe(2)

    expect(wrapper.findAll('iframe').length).toBe(1)
    expect(wrapper.find('iframe').classes()).toContain('embed-responsive-item')
    expect(wrapper.find('iframe').classes().length).toBe(1)
  })

  it('has custom root element when tag prop set', async () => {
    const wrapper = mount(BEmbed, {
      propsData: {
        tag: 'aside'
      }
    })

    expect(wrapper.is('aside')).toBe(true)
    expect(wrapper.classes()).toContain('embed-responsive')
    expect(wrapper.classes()).toContain('embed-responsive-16by9')
    expect(wrapper.classes().length).toBe(2)
    expect(wrapper.findAll('iframe').length).toBe(1)
  })

  it('it renders specified inner element when type set', async () => {
    const wrapper = mount(BEmbed, {
      propsData: {
        type: 'video'
      }
    })

    expect(wrapper.is('div')).toBe(true)
    expect(wrapper.classes()).toContain('embed-responsive')
    expect(wrapper.classes()).toContain('embed-responsive-16by9')
    expect(wrapper.classes().length).toBe(2)
    expect(wrapper.findAll('video').length).toBe(1)
    expect(wrapper.find('video').classes()).toContain('embed-responsive-item')
    expect(wrapper.find('video').classes().length).toBe(1)
  })

  it('renders specified aspect ratio class', async () => {
    const wrapper = mount(BEmbed, {
      propsData: {
        aspect: '4by3'
      }
    })

    expect(wrapper.is('div')).toBe(true)
    expect(wrapper.classes()).toContain('embed-responsive')
    expect(wrapper.classes()).toContain('embed-responsive-4by3')
    expect(wrapper.classes().length).toBe(2)
  })

  it('non-prop attributes should rendered on on inner element', async () => {
    const wrapper = mount(BEmbed, {
      attrs: {
        src: '/foo/bar',
        baz: 'buz'
      }
    })

    expect(wrapper.is('div')).toBe(true)
    expect(wrapper.classes()).toContain('embed-responsive')
    expect(wrapper.findAll('iframe').length).toBe(1)
    expect(wrapper.find('iframe').classes()).toContain('embed-responsive-item')
    expect(wrapper.find('iframe').attributes('src')).toBeDefined()
    expect(wrapper.find('iframe').attributes('src')).toBe('/foo/bar')
    expect(wrapper.find('iframe').attributes('baz')).toBeDefined()
    expect(wrapper.find('iframe').attributes('baz')).toBe('buz')
  })

  it('default slot should be rendered inside inner element', async () => {
    const wrapper = mount(BEmbed, {
      propsData: {
        type: 'video'
      },
      slots: {
        default: 'foobar'
      }
    })

    expect(wrapper.is('div')).toBe(true)
    expect(wrapper.classes()).toContain('embed-responsive')
    expect(wrapper.classes()).toContain('embed-responsive-16by9')
    expect(wrapper.classes().length).toBe(2)
    expect(wrapper.findAll('video').length).toBe(1)
    expect(wrapper.find('video').classes()).toContain('embed-responsive-item')
    expect(wrapper.find('video').classes().length).toBe(1)
    expect(wrapper.find('video').text()).toBe('foobar')
  })
})