bootstrap-vue/src/components/input-group/input-group.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 BInputGroup from './input-group'

describe('input-group', () => {
  it('should have expected default structure', async () => {
    const wrapper = mount(BInputGroup)

    expect(wrapper.is('div')).toBe(true)
    expect(wrapper.classes()).toContain('input-group')
    expect(wrapper.classes().length).toBe(1)
    expect(wrapper.attributes('role')).toBeDefined()
    expect(wrapper.attributes('role')).toEqual('group')
    expect(wrapper.findAll('.input-group > *').length).toBe(0)
    expect(wrapper.text()).toEqual('')
  })

  it('should render custom root element when prop tag is set', async () => {
    const wrapper = mount(BInputGroup, {
      propsData: {
        tag: 'span'
      }
    })

    expect(wrapper.is('span')).toBe(true)
    expect(wrapper.classes()).toContain('input-group')
    expect(wrapper.classes().length).toBe(1)
    expect(wrapper.attributes('role')).toBeDefined()
    expect(wrapper.attributes('role')).toEqual('group')
    expect(wrapper.findAll('.input-group > *').length).toBe(0)
  })

  it('should apply size class when when prop size is set', async () => {
    const wrapper = mount(BInputGroup, {
      propsData: {
        size: 'lg'
      }
    })

    expect(wrapper.is('div')).toBe(true)
    expect(wrapper.classes()).toContain('input-group')
    expect(wrapper.classes()).toContain('input-group-lg')
    expect(wrapper.classes().length).toBe(2)
  })

  it('should render default slot content', async () => {
    const wrapper = mount(BInputGroup, {
      slots: {
        default: 'foobar'
      }
    })

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

  it('renders input-group-prepend & input-group-append when prepend & append props set', async () => {
    const wrapper = mount(BInputGroup, {
      propsData: {
        prepend: 'foo',
        append: 'bar'
      },
      slots: {
        default: 'foobar'
      }
    })

    expect(wrapper.is('div')).toBe(true)
    expect(wrapper.classes()).toContain('input-group')
    expect(wrapper.classes().length).toBe(1)
    expect(wrapper.text()).toEqual('foofoobarbar')
    expect(wrapper.findAll('.input-group > *').length).toBe(2)
    expect(wrapper.findAll('.input-group-prepend').length).toBe(1)
    expect(wrapper.findAll('.input-group-prepend > .input-group-text').length).toBe(1)
    expect(wrapper.find('.input-group-prepend').text()).toBe('foo')
    expect(wrapper.findAll('.input-group-append').length).toBe(1)
    expect(wrapper.findAll('.input-group-append > .input-group-text').length).toBe(1)
    expect(wrapper.find('.input-group-append').text()).toBe('bar')
    expect(wrapper.find('.input-group > .input-group-prepend ~ .input-group-append').exists()).toBe(
      true
    )
  })

  it('renders input-group-prepend & input-group-append when prepend & append slots present', async () => {
    const wrapper = mount(BInputGroup, {
      slots: {
        default: 'foobar',
        prepend: '<button>foo</button>',
        append: '<button>bar</button><button>baz</button>'
      }
    })

    expect(wrapper.is('div')).toBe(true)
    expect(wrapper.classes()).toContain('input-group')
    expect(wrapper.classes().length).toBe(1)
    expect(wrapper.text()).toEqual('foofoobarbarbaz')
    expect(wrapper.findAll('.input-group > *').length).toBe(2)
    expect(wrapper.findAll('.input-group-prepend').length).toBe(1)
    expect(wrapper.findAll('.input-group-prepend > .input-group-text').length).toBe(0)
    expect(wrapper.findAll('.input-group-prepend > button').length).toBe(1)
    expect(wrapper.find('.input-group-prepend').text()).toBe('foo')
    expect(wrapper.findAll('.input-group-append').length).toBe(1)
    expect(wrapper.findAll('.input-group-append > .input-group-text').length).toBe(0)
    expect(wrapper.findAll('.input-group-append > button').length).toBe(2)
    expect(wrapper.find('.input-group-append').text()).toBe('barbaz')
    expect(wrapper.find('.input-group > .input-group-prepend ~ .input-group-append').exists()).toBe(
      true
    )
  })
})