bootstrap-vue/src/components/modal/helpers/bv-modal-event.class.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 { BvEvent } from '../../../utils/bv-event.class'
import { BvModalEvent } from './bv-modal-event.class'

describe('modal > BvModalEvent', () => {
  it('works', async () => {
    const evt = new BvModalEvent('foobar')
    expect(evt).toBeInstanceOf(BvModalEvent)
    expect(evt).toBeInstanceOf(BvEvent)
    expect(evt.type).toBe('foobar')
  })

  it('throws exception if no type given', async () => {
    let evt = null
    let failed = false
    try {
      evt = new BvModalEvent()
    } catch (e) {
      failed = true
    }
    expect(evt).not.toBeInstanceOf(BvModalEvent)
    expect(evt).not.toBeInstanceOf(BvEvent)
    expect(evt).toBe(null)
    expect(failed).toBe(true)
  })

  it('supports cancelable events via evt.preventDefault()', async () => {
    const evt = new BvModalEvent('foobar', {
      cancelable: true
    })
    expect(evt).toBeInstanceOf(BvModalEvent)
    expect(evt.type).toBe('foobar')
    expect(evt.cancelable).toBe(true)
    expect(evt.defaultPrevented).toBe(false)
    evt.preventDefault()
    expect(evt.defaultPrevented).toBe(true)
  })

  it('supports non cancelable events', async () => {
    const evt = new BvModalEvent('foobar', {
      cancelable: false
    })
    expect(evt).toBeInstanceOf(BvModalEvent)
    expect(evt.type).toBe('foobar')
    expect(evt.cancelable).toBe(false)
    expect(evt.defaultPrevented).toBe(false)
    evt.preventDefault()
    expect(evt.defaultPrevented).toBe(false)
  })

  it('supports built in properties', async () => {
    const evt = new BvModalEvent('foobar', {
      target: 'baz',
      trigger: 'ok',
      componentId: 'foo'
    })
    expect(evt).toBeInstanceOf(BvModalEvent)
    expect(evt.type).toBe('foobar')
    expect(evt.cancelable).toBe(true)
    expect(evt.target).toBe('baz')
    expect(evt.trigger).toBe('ok')
    expect(evt.componentId).toBe('foo')

    let failed = false
    try {
      evt.trigger = 'foobar'
    } catch (e) {
      failed = true
    }
    expect(failed).toBe(true)
    expect(evt.trigger).toBe('ok')
  })

  it('supports custom properties', async () => {
    const evt = new BvEvent('foobar', {
      custom: 123
    })
    expect(evt).toBeInstanceOf(BvEvent)
    expect(evt.type).toBe('foobar')
    expect(evt.cancelable).toBe(true)
    expect(evt.custom).toBe(123)
  })
})