import Backdrop from '../../../src/util/backdrop' import { getTransitionDurationFromElement } from '../../../src/util/index' import { clearFixture, getFixture } from '../../helpers/fixture' const CLASS_BACKDROP = '.modal-backdrop' const CLASS_NAME_FADE = 'fade' const CLASS_NAME_SHOW = 'show' describe('Backdrop', () => { let fixtureEl beforeAll(() => { fixtureEl = getFixture() }) afterEach(() => { clearFixture() const list = document.querySelectorAll(CLASS_BACKDROP) list.forEach(el => { el.remove() }) }) describe('show', () => { it('if it is "shown", should append the backdrop html once, on show, and contain "show" class', done => { const instance = new Backdrop({ isVisible: true, isAnimated: false }) const getElements = () => document.querySelectorAll(CLASS_BACKDROP) expect(getElements().length).toEqual(0) instance.show() instance.show(() => { expect(getElements().length).toEqual(1) getElements().forEach(el => { expect(el.classList.contains(CLASS_NAME_SHOW)).toEqual(true) }) done() }) }) it('if it is not "shown", should not append the backdrop html', done => { const instance = new Backdrop({ isVisible: false, isAnimated: true }) const getElements = () => document.querySelectorAll(CLASS_BACKDROP) expect(getElements().length).toEqual(0) instance.show(() => { expect(getElements().length).toEqual(0) done() }) }) it('if it is "shown" and "animated", should append the backdrop html once, and contain "fade" class', done => { const instance = new Backdrop({ isVisible: true, isAnimated: true }) const getElements = () => document.querySelectorAll(CLASS_BACKDROP) expect(getElements().length).toEqual(0) instance.show(() => { expect(getElements().length).toEqual(1) getElements().forEach(el => { expect(el.classList.contains(CLASS_NAME_FADE)).toEqual(true) }) done() }) }) }) describe('hide', () => { it('should remove the backdrop html', done => { const instance = new Backdrop({ isVisible: true, isAnimated: true }) const getElements = () => document.body.querySelectorAll(CLASS_BACKDROP) expect(getElements().length).toEqual(0) instance.show(() => { expect(getElements().length).toEqual(1) instance.hide(() => { expect(getElements().length).toEqual(0) done() }) }) }) it('should remove "show" class', done => { const instance = new Backdrop({ isVisible: true, isAnimated: true }) const elem = instance._getElement() instance.show() instance.hide(() => { expect(elem.classList.contains(CLASS_NAME_SHOW)).toEqual(false) done() }) }) it('if it is not "shown", should not try to remove Node on remove method', done => { const instance = new Backdrop({ isVisible: false, isAnimated: true }) const getElements = () => document.querySelectorAll(CLASS_BACKDROP) const spy = spyOn(instance, 'dispose').and.callThrough() expect(getElements().length).toEqual(0) expect(instance._isAppended).toEqual(false) instance.show(() => { instance.hide(() => { expect(getElements().length).toEqual(0) expect(spy).not.toHaveBeenCalled() expect(instance._isAppended).toEqual(false) done() }) }) }) it('should not error if the backdrop no longer has a parent', done => { fixtureEl.innerHTML = '
' const wrapper = fixtureEl.querySelector('#wrapper') const instance = new Backdrop({ isVisible: true, isAnimated: true, rootElement: wrapper }) const getElements = () => document.querySelectorAll(CLASS_BACKDROP) instance.show(() => { wrapper.remove() instance.hide(() => { expect(getElements().length).toEqual(0) done() }) }) }) }) describe('click callback', () => { it('it should execute callback on click', done => { const spy = jasmine.createSpy('spy') const instance = new Backdrop({ isVisible: true, isAnimated: false, clickCallback: () => spy() }) const endTest = () => { setTimeout(() => { expect(spy).toHaveBeenCalled() done() }, 10) } instance.show(() => { const clickEvent = document.createEvent('MouseEvents') clickEvent.initEvent('mousedown', true, true) document.querySelector(CLASS_BACKDROP).dispatchEvent(clickEvent) endTest() }) }) }) describe('animation callbacks', () => { it('if it is animated, should show and hide backdrop after counting transition duration', done => { const instance = new Backdrop({ isVisible: true, isAnimated: true }) const spy2 = jasmine.createSpy('spy2') const execDone = () => { setTimeout(() => { expect(spy2).toHaveBeenCalledTimes(2) done() }, 10) } instance.show(spy2) instance.hide(() => { spy2() execDone() }) expect(spy2).not.toHaveBeenCalled() }) it('if it is not animated, should show and hide backdrop without delay', done => { const spy = jasmine.createSpy('spy', getTransitionDurationFromElement) const instance = new Backdrop({ isVisible: true, isAnimated: false }) const spy2 = jasmine.createSpy('spy2') instance.show(spy2) instance.hide(spy2) setTimeout(() => { expect(spy2).toHaveBeenCalled() expect(spy).not.toHaveBeenCalled() done() }, 10) }) it('if it is not "shown", should not call delay callbacks', done => { const instance = new Backdrop({ isVisible: false, isAnimated: true }) const spy = jasmine.createSpy('spy', getTransitionDurationFromElement) instance.show() instance.hide(() => { expect(spy).not.toHaveBeenCalled() done() }) }) }) describe('Config', () => { describe('rootElement initialization', () => { it('Should be appended on "document.body" by default', done => { const instance = new Backdrop({ isVisible: true }) const getElement = () => document.querySelector(CLASS_BACKDROP) instance.show(() => { expect(getElement().parentElement).toEqual(document.body) done() }) }) it('Should find the rootElement if passed as a string', done => { const instance = new Backdrop({ isVisible: true, rootElement: 'body' }) const getElement = () => document.querySelector(CLASS_BACKDROP) instance.show(() => { expect(getElement().parentElement).toEqual(document.body) done() }) }) it('Should appended on any element given by the proper config', done => { fixtureEl.innerHTML = [ '
', '
' ].join('') const wrapper = fixtureEl.querySelector('#wrapper') const instance = new Backdrop({ isVisible: true, rootElement: wrapper }) const getElement = () => document.querySelector(CLASS_BACKDROP) instance.show(() => { expect(getElement().parentElement).toEqual(wrapper) done() }) }) }) describe('ClassName', () => { it('Should be able to have different classNames than default', done => { const instance = new Backdrop({ isVisible: true, className: 'foo' }) const getElement = () => document.querySelector('.foo') instance.show(() => { expect(getElement()).toEqual(instance._getElement()) instance.dispose() done() }) }) }) }) })