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

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import { mount } from '@vue/test-utils'
import { BMedia } from './media'

describe('media', () => {
  it('has expected default structure', async () => {
    const wrapper = mount(BMedia)

    expect(wrapper.element.tagName).toBe('DIV')
    expect(wrapper.classes()).toContain('media')
    expect(wrapper.classes().length).toBe(1)
    expect(wrapper.findAll('.media-body').length).toBe(1)
    expect(wrapper.findAll('.media-aside').length).toBe(0)
    expect(wrapper.text()).toEqual('')
    expect(wrapper.findAll('.media > *').length).toBe(1)

    wrapper.destroy()
  })

  it('renders custom root element when `tag` prop set', async () => {
    const wrapper = mount(BMedia, {
      propsData: {
        tag: 'section'
      }
    })

    expect(wrapper.element.tagName).toBe('SECTION')
    expect(wrapper.classes()).toContain('media')
    expect(wrapper.classes().length).toBe(1)

    wrapper.destroy()
  })

  it('has expected structure when slot `aside` present', async () => {
    const wrapper = mount(BMedia, {
      slots: {
        aside: 'foobar'
      }
    })

    expect(wrapper.element.tagName).toBe('DIV')
    expect(wrapper.classes()).toContain('media')
    expect(wrapper.classes().length).toBe(1)
    expect(wrapper.findAll('.media-body').length).toBe(1)
    expect(wrapper.findAll('.media-aside').length).toBe(1)
    expect(wrapper.findAll('.media > *').length).toBe(2)
    expect(wrapper.find('.media > .media-aside + .media-body').exists()).toBe(true)
    expect(wrapper.find('.media > .media-body + .media-aside').exists()).toBe(false)

    wrapper.destroy()
  })

  it('has expected structure when prop `right-align` is set and slot `aside` present', async () => {
    const wrapper = mount(BMedia, {
      propsData: {
        rightAlign: true
      },
      slots: {
        aside: 'foobar'
      }
    })

    expect(wrapper.element.tagName).toBe('DIV')
    expect(wrapper.classes()).toContain('media')
    expect(wrapper.classes().length).toBe(1)
    expect(wrapper.findAll('.media-body').length).toBe(1)
    expect(wrapper.findAll('.media-aside').length).toBe(1)
    expect(wrapper.findAll('.media > *').length).toBe(2)
    expect(wrapper.find('.media > .media-body + .media-aside').exists()).toBe(true)
    expect(wrapper.find('.media > .media-aside + .media-body').exists()).toBe(false)

    wrapper.destroy()
  })

  it('places default slot inside `media-body`', async () => {
    const wrapper = mount(BMedia, {
      slots: {
        default: '<b>foobar</b>'
      }
    })

    expect(wrapper.element.tagName).toBe('DIV')
    expect(wrapper.classes()).toContain('media')
    expect(wrapper.classes().length).toBe(1)
    expect(wrapper.findAll('.media-body').length).toBe(1)
    expect(wrapper.text()).toEqual('foobar')
    expect(wrapper.find('.media-body').text()).toEqual('foobar')

    wrapper.destroy()
  })

  it('does not have child `media-body` when prop `no-body` set', async () => {
    const wrapper = mount(BMedia, {
      propsData: {
        noBody: true
      }
    })

    expect(wrapper.element.tagName).toBe('DIV')
    expect(wrapper.classes()).toContain('media')
    expect(wrapper.classes().length).toBe(1)
    expect(wrapper.findAll('.media-body').length).toBe(0)
    expect(wrapper.text()).toEqual('')
    expect(wrapper.findAll('.media > *').length).toBe(0)

    wrapper.destroy()
  })

  it('places default slot inside self when `no-body` set', async () => {
    const wrapper = mount(BMedia, {
      propsData: {
        noBody: true
      },
      slots: {
        default: '<b>foobar</b>'
      }
    })

    expect(wrapper.element.tagName).toBe('DIV')
    expect(wrapper.classes()).toContain('media')
    expect(wrapper.classes().length).toBe(1)
    expect(wrapper.findAll('.media-body').length).toBe(0)
    expect(wrapper.text()).toEqual('foobar')

    wrapper.destroy()
  })

  it('sets `vertical-align` prop on `media-aside` child', async () => {
    const wrapper = mount(BMedia, {
      propsData: {
        verticalAlign: 'bottom'
      },
      slots: {
        aside: 'foobar'
      }
    })

    expect(wrapper.element.tagName).toBe('DIV')
    expect(wrapper.classes()).toContain('media')
    expect(wrapper.classes().length).toBe(1)
    expect(wrapper.findAll('.media-body').length).toBe(1)
    expect(wrapper.findAll('.media-aside').length).toBe(1)
    expect(wrapper.text()).toEqual('foobar')
    expect(wrapper.findAll('.media > *').length).toBe(2)
    expect(wrapper.find('.media-aside').classes()).toContain('align-self-end')
    expect(wrapper.find('.media-aside').text()).toEqual('foobar')

    wrapper.destroy()
  })
})