bootstrap-vue/src/components/jumbotron/jumbotron.spec.js

BootstrapVue, with over 40 plugins and more than 80 custom components, 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 WAI-AR

import { mount } from '@vue/test-utils'
import { BJumbotron } from './jumbotron'

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

    expect(wrapper.is('div')).toBe(true)
    expect(wrapper.classes()).toContain('jumbotron')
    expect(wrapper.classes().length).toBe(1)
    expect(wrapper.text()).toEqual('')
  })

  it('renders with custom root element when props tag is set', async () => {
    const wrapper = mount(BJumbotron, {
      propsData: {
        tag: 'article'
      }
    })

    expect(wrapper.is('article')).toBe(true)
    expect(wrapper.classes()).toContain('jumbotron')
    expect(wrapper.classes().length).toBe(1)
    expect(wrapper.text()).toEqual('')
  })

  it('has border when prop border-variant is set', async () => {
    const wrapper = mount(BJumbotron, {
      propsData: {
        borderVariant: 'danger'
      }
    })

    expect(wrapper.is('div')).toBe(true)
    expect(wrapper.classes()).toContain('jumbotron')
    expect(wrapper.classes()).toContain('border')
    expect(wrapper.classes()).toContain('border-danger')
    expect(wrapper.classes().length).toBe(3)
  })

  it('has background variant when prop bg-variant is set', async () => {
    const wrapper = mount(BJumbotron, {
      propsData: {
        bgVariant: 'info'
      }
    })

    expect(wrapper.is('div')).toBe(true)
    expect(wrapper.classes()).toContain('jumbotron')
    expect(wrapper.classes()).toContain('bg-info')
    expect(wrapper.classes().length).toBe(2)
  })

  it('has text variant when prop text-variant is set', async () => {
    const wrapper = mount(BJumbotron, {
      propsData: {
        textVariant: 'primary'
      }
    })

    expect(wrapper.is('div')).toBe(true)
    expect(wrapper.classes()).toContain('jumbotron')
    expect(wrapper.classes()).toContain('text-primary')
    expect(wrapper.classes().length).toBe(2)
  })

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

    expect(wrapper.is('div')).toBe(true)
    expect(wrapper.classes()).toContain('jumbotron')
    expect(wrapper.classes().length).toBe(1)
    expect(wrapper.text()).toEqual('foobar')
    expect(wrapper.findAll('.jumbotron > *').length).toBe(0)
  })

  it('renders default slot content inside container when fluid prop set', async () => {
    const wrapper = mount(BJumbotron, {
      propsData: {
        fluid: true
      },
      slots: {
        default: 'foobar'
      }
    })

    expect(wrapper.is('div')).toBe(true)
    expect(wrapper.classes()).toContain('jumbotron')
    expect(wrapper.classes()).toContain('jumbotron-fluid')
    expect(wrapper.classes().length).toBe(2)
    expect(wrapper.findAll('.jumbotron > *').length).toBe(1)
    expect(wrapper.findAll('.container').length).toBe(1)
    expect(wrapper.find('.container').is('div')).toBe(true)
    expect(wrapper.find('.container').text()).toEqual('foobar')
    expect(wrapper.text()).toEqual('foobar')
  })

  it('renders default slot content inside container-fluid when fluid prop and container-fluid set', async () => {
    const wrapper = mount(BJumbotron, {
      propsData: {
        fluid: true,
        containerFluid: true
      },
      slots: {
        default: 'foobar'
      }
    })

    expect(wrapper.is('div')).toBe(true)
    expect(wrapper.classes()).toContain('jumbotron')
    expect(wrapper.classes()).toContain('jumbotron-fluid')
    expect(wrapper.classes().length).toBe(2)
    expect(wrapper.findAll('.jumbotron > *').length).toBe(1)
    expect(wrapper.findAll('.container').length).toBe(0)
    expect(wrapper.findAll('.container-fluid').length).toBe(1)
    expect(wrapper.find('.container-fluid').is('div')).toBe(true)
    expect(wrapper.find('.container-fluid').text()).toEqual('foobar')
    expect(wrapper.text()).toEqual('foobar')
  })

  it('renders header lead and content when using props', async () => {
    const wrapper = mount(BJumbotron, {
      propsData: {
        header: 'foo',
        lead: 'bar'
      },
      slots: {
        default: '<span>baz</span>'
      }
    })

    expect(wrapper.is('div')).toBe(true)
    expect(wrapper.classes()).toContain('jumbotron')
    expect(wrapper.classes().length).toBe(1)
    expect(wrapper.findAll('h1').length).toBe(1)
    expect(wrapper.find('h1').classes()).toContain('display-3')
    expect(wrapper.find('h1').classes().length).toBe(1)
    expect(wrapper.find('h1').text()).toEqual('foo')
    expect(wrapper.findAll('p').length).toBe(1)
    expect(wrapper.find('p').classes()).toContain('lead')
    expect(wrapper.find('p').classes().length).toBe(1)
    expect(wrapper.find('p').text()).toEqual('bar')
    expect(wrapper.findAll('span').length).toBe(1)
    expect(wrapper.find('span').text()).toEqual('baz')
    expect(wrapper.find('.jumbotron > h1 + p + span').exists()).toBe(true)
  })

  it('renders header lead and content when using slots', async () => {
    const wrapper = mount(BJumbotron, {
      slots: {
        header: 'foo',
        lead: 'bar',
        default: '<span>baz</span>'
      }
    })

    expect(wrapper.is('div')).toBe(true)
    expect(wrapper.classes()).toContain('jumbotron')
    expect(wrapper.classes().length).toBe(1)
    expect(wrapper.findAll('h1').length).toBe(1)
    expect(wrapper.find('h1').classes()).toContain('display-3')
    expect(wrapper.find('h1').classes().length).toBe(1)
    expect(wrapper.find('h1').text()).toEqual('foo')
    expect(wrapper.findAll('p').length).toBe(1)
    expect(wrapper.find('p').classes()).toContain('lead')
    expect(wrapper.find('p').classes().length).toBe(1)
    expect(wrapper.find('p').text()).toEqual('bar')
    expect(wrapper.findAll('span').length).toBe(1)
    expect(wrapper.find('span').text()).toEqual('baz')
    expect(wrapper.find('.jumbotron > h1 + p + span').exists()).toBe(true)
  })
})