bootstrap-vue/src/components/nav/nav.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 { mount } from '@vue/test-utils'
import BNav from './nav'

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

    expect(wrapper.is('ul')).toBe(true)
    expect(wrapper.classes()).toContain('nav')
    expect(wrapper.classes().length).toBe(1)
    expect(wrapper.text()).toBe('')
  })

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

    expect(wrapper.is('ol')).toBe(true)
    expect(wrapper.classes()).toContain('nav')
    expect(wrapper.classes().length).toBe(1)
    expect(wrapper.text()).toBe('')
  })

  it('renders default slot content', async () => {
    const wrapper = mount(BNav, {
      slots: {
        default: 'foobar'
      }
    })

    expect(wrapper.is('ul')).toBe(true)
    expect(wrapper.classes()).toContain('nav')
    expect(wrapper.classes().length).toBe(1)
    expect(wrapper.text()).toBe('foobar')
  })

  it('supports "is-navbar-nav" mode', async () => {
    const wrapper = mount(BNav, {
      propsData: {
        isNavBar: true
      }
    })

    expect(wrapper.is('ul')).toBe(true)
    expect(wrapper.classes()).toContain('navbar-nav')
    expect(wrapper.classes().length).toBe(1)
    expect(wrapper.text()).toBe('')
  })

  it('applies pill style', async () => {
    const wrapper = mount(BNav, {
      propsData: {
        pills: true
      }
    })

    expect(wrapper.is('ul')).toBe(true)
    expect(wrapper.classes()).toContain('nav')
    expect(wrapper.classes()).toContain('nav-pills')
    expect(wrapper.classes().length).toBe(2)
    expect(wrapper.text()).toBe('')
  })

  it("doesn't apply pill style when in 'is-navbar-nav' mode", async () => {
    const wrapper = mount(BNav, {
      propsData: {
        pills: true,
        isNavBar: true
      }
    })

    expect(wrapper.is('ul')).toBe(true)
    expect(wrapper.classes()).toContain('navbar-nav')
    expect(wrapper.classes().length).toBe(1)
    expect(wrapper.text()).toBe('')
  })

  it('applies tab style', async () => {
    const wrapper = mount(BNav, {
      propsData: {
        tabs: true
      }
    })

    expect(wrapper.is('ul')).toBe(true)
    expect(wrapper.classes()).toContain('nav')
    expect(wrapper.classes()).toContain('nav-tabs')
    expect(wrapper.classes().length).toBe(2)
    expect(wrapper.text()).toBe('')
  })

  it("doesn't apply tab style when in 'is-navbar-nav' mode", async () => {
    const wrapper = mount(BNav, {
      propsData: {
        tabs: true,
        isNavBar: true
      }
    })

    expect(wrapper.is('ul')).toBe(true)
    expect(wrapper.classes()).toContain('navbar-nav')
    expect(wrapper.classes().length).toBe(1)
    expect(wrapper.text()).toBe('')
  })

  it('applies vertical style', async () => {
    const wrapper = mount(BNav, {
      propsData: {
        vertical: true
      }
    })

    expect(wrapper.is('ul')).toBe(true)
    expect(wrapper.classes()).toContain('nav')
    expect(wrapper.classes()).toContain('flex-column')
    expect(wrapper.classes().length).toBe(2)
    expect(wrapper.text()).toBe('')
  })

  it("doesn't apply vertical style when in 'is-navbar-nav' mode", async () => {
    const wrapper = mount(BNav, {
      propsData: {
        vertical: true,
        isNavBar: true
      }
    })

    expect(wrapper.is('ul')).toBe(true)
    expect(wrapper.classes()).toContain('navbar-nav')
    expect(wrapper.classes().length).toBe(1)
    expect(wrapper.text()).toBe('')
  })

  it('applies justify style when justified', async () => {
    const wrapper = mount(BNav, {
      propsData: {
        justified: true
      }
    })

    expect(wrapper.is('ul')).toBe(true)
    expect(wrapper.classes()).toContain('nav')
    expect(wrapper.classes()).toContain('nav-justified')
    expect(wrapper.classes().length).toBe(2)
    expect(wrapper.text()).toBe('')
  })

  it("doesn't apply justify style when vertical", async () => {
    const wrapper = mount(BNav, {
      propsData: {
        justified: true,
        vertical: true
      }
    })

    expect(wrapper.is('ul')).toBe(true)
    expect(wrapper.classes()).toContain('nav')
    expect(wrapper.classes()).toContain('flex-column')
    expect(wrapper.classes().length).toBe(2)
    expect(wrapper.text()).toBe('')
  })

  it('applies fill style style when fill set', async () => {
    const wrapper = mount(BNav, {
      propsData: {
        fill: true
      }
    })

    expect(wrapper.is('ul')).toBe(true)
    expect(wrapper.classes()).toContain('nav')
    expect(wrapper.classes()).toContain('nav-fill')
    expect(wrapper.classes().length).toBe(2)
    expect(wrapper.text()).toBe('')
  })

  it("doesn't apply fill style when vertical", async () => {
    const wrapper = mount(BNav, {
      propsData: {
        fill: true,
        vertical: true
      }
    })

    expect(wrapper.is('ul')).toBe(true)
    expect(wrapper.classes()).toContain('nav')
    expect(wrapper.classes()).toContain('flex-column')
    expect(wrapper.classes().length).toBe(2)
    expect(wrapper.text()).toBe('')
  })

  it('applies alignment correctly', async () => {
    const wrapper = mount(BNav, {
      propsData: {
        align: 'center'
      }
    })

    expect(wrapper.is('ul')).toBe(true)
    expect(wrapper.classes()).toContain('nav')
    expect(wrapper.classes()).toContain('justify-content-center')
    expect(wrapper.classes().length).toBe(2)
    expect(wrapper.text()).toBe('')
  })

  it("doesn't apply alignment when vertical", async () => {
    const wrapper = mount(BNav, {
      propsData: {
        align: 'center',
        vertical: true
      }
    })

    expect(wrapper.is('ul')).toBe(true)
    expect(wrapper.classes()).toContain('nav')
    expect(wrapper.classes()).toContain('flex-column')
    expect(wrapper.classes().length).toBe(2)
    expect(wrapper.text()).toBe('')
  })

  it('applies small style', async () => {
    const wrapper = mount(BNav, {
      propsData: {
        small: true
      }
    })

    expect(wrapper.is('ul')).toBe(true)
    expect(wrapper.classes()).toContain('nav')
    expect(wrapper.classes()).toContain('small')
    expect(wrapper.classes().length).toBe(2)
    expect(wrapper.text()).toBe('')
  })
})