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

BootstrapVue, with more than 85 custom components, over 45 plugins, several custom directives, and over 300 icons, provides one of the most comprehensive implementations of Bootstrap v4 components and grid system for Vue.js. With extensive and automated W

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)

    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)

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