bootstrap-vue/src/components/nav/nav-item-dropdown.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 } from '@vue/test-utils'
import { BNavItemDropdown } from './nav-item-dropdown'

describe('nav-item-dropdown', () => {
  it('should have custom toggle class in nav-item-dropdown', async () => {
    const wrapper = mount(BNavItemDropdown, {
      propsData: {
        text: 'toggle',
        toggleClass: 'nav-link-custom'
      }
    })
    expect(wrapper.isVueInstance()).toBe(true)
    expect(wrapper.findAll('.dropdown-toggle').length).toBe(1)
    const $toggle = wrapper.find('.dropdown-toggle')

    expect($toggle.classes()).toContain('nav-link')
    expect($toggle.classes()).toContain('dropdown-toggle')
    expect($toggle.classes()).toContain('nav-link-custom')

    wrapper.destroy()
  })

  it('should flag that we are in a nav', async () => {
    const wrapper = mount(BNavItemDropdown, {
      propsData: {
        text: 'toggle'
      }
    })
    expect(wrapper.isVueInstance()).toBe(true)

    expect(wrapper.vm.isNav).toBe(true)

    wrapper.destroy()
  })

  it('should be disabled when disabled prop set', async () => {
    const wrapper = mount(BNavItemDropdown, {
      propsData: {
        text: 'toggle',
        disabled: true
      }
    })
    expect(wrapper.isVueInstance()).toBe(true)
    expect(wrapper.findAll('.dropdown-toggle').length).toBe(1)
    const $toggle = wrapper.find('.dropdown-toggle')
    expect($toggle.is('a')).toBe(true)

    expect($toggle.attributes('aria-disabled')).toBeDefined()
    expect($toggle.attributes('href')).toEqual('#')
    expect($toggle.classes()).toContain('disabled')
    expect($toggle.classes()).toContain('nav-link')
    expect($toggle.classes()).toContain('dropdown-toggle')

    wrapper.destroy()
  })
})