import Alert from '../../src/alert.js'
import { getTransitionDurationFromElement } from '../../src/util/index.js'
import { clearFixture, getFixture, jQueryMock } from '../helpers/fixture.js'
describe('Alert', () => {
let fixtureEl
beforeAll(() => {
fixtureEl = getFixture()
})
afterEach(() => {
clearFixture()
})
it('should take care of element either passed as a CSS selector or DOM element', () => {
fixtureEl.innerHTML = ''
const alertEl = fixtureEl.querySelector('.alert')
const alertBySelector = new Alert('.alert')
const alertByElement = new Alert(alertEl)
expect(alertBySelector._element).toEqual(alertEl)
expect(alertByElement._element).toEqual(alertEl)
})
it('should return version', () => {
expect(Alert.VERSION).toEqual(jasmine.any(String))
})
describe('DATA_KEY', () => {
it('should return plugin data key', () => {
expect(Alert.DATA_KEY).toEqual('bs.alert')
})
})
describe('data-api', () => {
it('should close an alert without instantiating it manually', () => {
fixtureEl.innerHTML = [
'
',
' ',
'
'
].join('')
const button = document.querySelector('button')
button.click()
expect(document.querySelectorAll('.alert')).toHaveSize(0)
})
it('should close an alert without instantiating it manually with the parent selector', () => {
fixtureEl.innerHTML = [
'
',
' ',
'
'
].join('')
const button = document.querySelector('button')
button.click()
expect(document.querySelectorAll('.alert')).toHaveSize(0)
})
})
describe('close', () => {
it('should close an alert', () => {
return new Promise(resolve => {
const spy = jasmine.createSpy('spy', getTransitionDurationFromElement)
fixtureEl.innerHTML = ''
const alertEl = document.querySelector('.alert')
const alert = new Alert(alertEl)
alertEl.addEventListener('closed.bs.alert', () => {
expect(document.querySelectorAll('.alert')).toHaveSize(0)
expect(spy).not.toHaveBeenCalled()
resolve()
})
alert.close()
})
})
it('should close alert with fade class', () => {
return new Promise(resolve => {
fixtureEl.innerHTML = ''
const alertEl = document.querySelector('.alert')
const alert = new Alert(alertEl)
alertEl.addEventListener('transitionend', () => {
expect().nothing()
})
alertEl.addEventListener('closed.bs.alert', () => {
expect(document.querySelectorAll('.alert')).toHaveSize(0)
resolve()
})
alert.close()
})
})
it('should not remove alert if close event is prevented', () => {
return new Promise((resolve, reject) => {
fixtureEl.innerHTML = ''
const getAlert = () => document.querySelector('.alert')
const alertEl = getAlert()
const alert = new Alert(alertEl)
alertEl.addEventListener('close.bs.alert', event => {
event.preventDefault()
setTimeout(() => {
expect(getAlert()).not.toBeNull()
resolve()
}, 10)
})
alertEl.addEventListener('closed.bs.alert', () => {
reject(new Error('should not fire closed event'))
})
alert.close()
})
})
})
describe('dispose', () => {
it('should dispose an alert', () => {
fixtureEl.innerHTML = ''
const alertEl = document.querySelector('.alert')
const alert = new Alert(alertEl)
expect(Alert.getInstance(alertEl)).not.toBeNull()
alert.dispose()
expect(Alert.getInstance(alertEl)).toBeNull()
})
})
describe('jQueryInterface', () => {
it('should handle config passed and toggle existing alert', () => {
fixtureEl.innerHTML = ''
const alertEl = fixtureEl.querySelector('.alert')
const alert = new Alert(alertEl)
const spy = spyOn(alert, 'close')
jQueryMock.fn.alert = Alert.jQueryInterface
jQueryMock.elements = [alertEl]
jQueryMock.fn.alert.call(jQueryMock, 'close')
expect(spy).toHaveBeenCalled()
})
it('should create new alert instance and call close', () => {
fixtureEl.innerHTML = ''
const alertEl = fixtureEl.querySelector('.alert')
jQueryMock.fn.alert = Alert.jQueryInterface
jQueryMock.elements = [alertEl]
expect(Alert.getInstance(alertEl)).toBeNull()
jQueryMock.fn.alert.call(jQueryMock, 'close')
expect(fixtureEl.querySelector('.alert')).toBeNull()
})
it('should just create an alert instance without calling close', () => {
fixtureEl.innerHTML = ''
const alertEl = fixtureEl.querySelector('.alert')
jQueryMock.fn.alert = Alert.jQueryInterface
jQueryMock.elements = [alertEl]
jQueryMock.fn.alert.call(jQueryMock)
expect(Alert.getInstance(alertEl)).not.toBeNull()
expect(fixtureEl.querySelector('.alert')).not.toBeNull()
})
it('should throw an error on undefined method', () => {
fixtureEl.innerHTML = ''
const div = fixtureEl.querySelector('div')
const action = 'undefinedMethod'
jQueryMock.fn.alert = Alert.jQueryInterface
jQueryMock.elements = [div]
expect(() => {
jQueryMock.fn.alert.call(jQueryMock, action)
}).toThrowError(TypeError, `No method named "${action}"`)
})
it('should throw an error on protected method', () => {
fixtureEl.innerHTML = ''
const div = fixtureEl.querySelector('div')
const action = '_getConfig'
jQueryMock.fn.alert = Alert.jQueryInterface
jQueryMock.elements = [div]
expect(() => {
jQueryMock.fn.alert.call(jQueryMock, action)
}).toThrowError(TypeError, `No method named "${action}"`)
})
})
describe('getInstance', () => {
it('should return alert instance', () => {
fixtureEl.innerHTML = ''
const div = fixtureEl.querySelector('div')
const alert = new Alert(div)
expect(Alert.getInstance(div)).toEqual(alert)
expect(Alert.getInstance(div)).toBeInstanceOf(Alert)
})
it('should return null when there is no alert instance', () => {
fixtureEl.innerHTML = ''
const div = fixtureEl.querySelector('div')
expect(Alert.getInstance(div)).toBeNull()
})
})
describe('getOrCreateInstance', () => {
it('should return alert instance', () => {
fixtureEl.innerHTML = ''
const div = fixtureEl.querySelector('div')
const alert = new Alert(div)
expect(Alert.getOrCreateInstance(div)).toEqual(alert)
expect(Alert.getInstance(div)).toEqual(Alert.getOrCreateInstance(div, {}))
expect(Alert.getOrCreateInstance(div)).toBeInstanceOf(Alert)
})
it('should return new instance when there is no alert instance', () => {
fixtureEl.innerHTML = ''
const div = fixtureEl.querySelector('div')
expect(Alert.getInstance(div)).toBeNull()
expect(Alert.getOrCreateInstance(div)).toBeInstanceOf(Alert)
})
})
})