bootstrap-vue/src/components/dropdown/dropdown-item.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 VueRouter from 'vue-router'
import { mount, createLocalVue as CreateLocalVue } from '@vue/test-utils'
import { waitNT, waitRAF } from '../../../tests/utils'
import BDropdownItem from './dropdown-item'

describe('dropdown-item', () => {
  it('renders with tag "a" and href="#" by default', async () => {
    const wrapper = mount(BDropdownItem)
    expect(wrapper.is('li')).toBe(true)

    const item = wrapper.find('a')
    expect(item.is('a')).toBe(true)
    expect(item.attributes('href')).toBe('#')

    wrapper.destroy()
  })

  it('has class "dropdown-item"', async () => {
    const wrapper = mount(BDropdownItem)
    expect(wrapper.is('li')).toBe(true)

    const item = wrapper.find('a')
    expect(item.classes()).toContain('dropdown-item')
    expect(item.attributes('href')).toBe('#')

    wrapper.destroy()
  })

  it('calls dropdown hide(true) method when clicked', async () => {
    let called = false
    let refocus = null
    const wrapper = mount(BDropdownItem, {
      provide: {
        bvDropdown: {
          hide(arg) {
            called = true
            refocus = arg
          }
        }
      }
    })
    expect(wrapper.is('li')).toBe(true)

    const item = wrapper.find('a')
    expect(item).toBeDefined()
    item.trigger('click')
    await waitNT(wrapper.vm)
    await waitRAF()
    expect(called).toBe(true)
    expect(refocus).toBe(true)

    wrapper.destroy()
  })

  it('does not call dropdown hide(true) method when clicked and disabled', async () => {
    let called = false
    let refocus = null
    const wrapper = mount(BDropdownItem, {
      propsData: { disabled: true },
      provide: {
        bvDropdown: {
          hide(arg) {
            called = true
            refocus = arg
          }
        }
      }
    })
    expect(wrapper.is('li')).toBe(true)

    const item = wrapper.find('a')
    expect(item).toBeDefined()
    item.trigger('click')
    await waitNT(wrapper.vm)
    await waitRAF()
    expect(called).toBe(false)
    expect(refocus).toBe(null)

    wrapper.destroy()
  })

  describe('router-link support', () => {
    it('works', async () => {
      const localVue = new CreateLocalVue()
      localVue.use(VueRouter)

      const router = new VueRouter({
        mode: 'abstract',
        routes: [
          { path: '/', component: { name: 'R', template: '<div class="r">ROOT</div>' } },
          { path: '/a', component: { name: 'A', template: '<div class="a">A</div>' } },
          { path: '/b', component: { name: 'B', template: '<div class="a">B</div>' } }
        ]
      })

      const App = localVue.extend({
        router,
        render(h) {
          return h('ul', {}, [
            h(BDropdownItem, { props: { to: '/a' } }, ['to-a']),
            h(BDropdownItem, { props: { href: '/a' } }, ['href-a']),
            h(BDropdownItem, { props: { to: { path: '/b' } } }, ['to-path-b']),
            h(BDropdownItem, { props: { href: '/b' } }, ['href-a']),
            h('router-view')
          ])
        }
      })

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

      expect(wrapper.isVueInstance()).toBe(true)
      expect(wrapper.is('ul')).toBe(true)

      expect(wrapper.findAll('li').length).toBe(4)
      expect(wrapper.findAll('a').length).toBe(4)

      const $links = wrapper.findAll('a')

      expect($links.at(0).isVueInstance()).toBe(true)
      expect($links.at(1).isVueInstance()).toBe(false)
      expect($links.at(2).isVueInstance()).toBe(true)
      expect($links.at(3).isVueInstance()).toBe(false)

      expect($links.at(0).vm.$options.name).toBe('RouterLink')
      expect($links.at(2).vm.$options.name).toBe('RouterLink')

      wrapper.destroy()
    })
  })
})