bootstrap-vue/src/utils/transporter.spec.js

BootstrapVue, with over 40 plugins and more than 80 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, createLocalVue as CreateLocalVue } from '@vue/test-utils'
import { waitNT } from '../../tests/utils'
import { BTransporterSingle } from './transporter'

describe('utils/transporter component', () => {
  const localVue = new CreateLocalVue()

  it('renders in-pace when disabled=true', async () => {
    const App = localVue.extend({
      render(h) {
        return h(BTransporterSingle, { props: { disabled: true } }, [h('div', {}, 'content')])
      }
    })

    const wrapper = mount(App, {
      attachToDocument: true,
      localVue: localVue
    })

    expect(wrapper.isVueInstance()).toBe(true)
    expect(wrapper.is('div')).toBe(true)
    expect(wrapper.text()).toEqual('content')

    wrapper.destroy()
  })

  it('does not render in-pace when disabled=false', async () => {
    const App = localVue.extend({
      render(h) {
        return h(BTransporterSingle, { props: { disabled: false } }, [
          h('div', { attrs: { id: 'foobar' } }, 'content')
        ])
      }
    })

    const wrapper = mount(App, {
      attachToDocument: true,
      localVue: localVue
    })

    expect(wrapper.isVueInstance()).toBe(true)
    await waitNT(wrapper.vm)
    await waitNT(wrapper.vm)

    expect(wrapper.element.nodeType).toBe(Node.COMMENT_NODE)

    const target = document.getElementById('foobar')
    expect(target).toBeDefined()
    expect(target).not.toBe(null)
    expect(target.__vue__).toBeDefined() // Target
    expect(target.__vue__.$options.name).toBe('BTransporterTargetSingle')
    expect(target.tagName).toEqual('DIV')
    expect(target.parentElement).toBeDefined()
    expect(target.parentElement).toBe(document.body)

    wrapper.destroy()
    await waitNT(wrapper.vm)
    await waitNT(wrapper.vm)

    expect(target.parentElement).toEqual(null)
  })
})