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Bootstrap/js/tests/unit/modal.spec.js

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import Modal from '../../src/modal'
import EventHandler from '../../src/dom/event-handler'
import ScrollBarHelper from '../../src/util/scrollbar'
import { clearBodyAndDocument, clearFixture, createEvent, getFixture, jQueryMock } from '../helpers/fixture'
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describe('Modal', () => {
let fixtureEl
beforeAll(() => {
fixtureEl = getFixture()
})
afterEach(() => {
clearFixture()
clearBodyAndDocument()
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document.body.classList.remove('modal-open')
for (const backdrop of document.querySelectorAll('.modal-backdrop')) {
backdrop.remove()
}
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})
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beforeEach(() => {
clearBodyAndDocument()
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})
describe('VERSION', () => {
it('should return plugin version', () => {
expect(Modal.VERSION).toEqual(jasmine.any(String))
})
})
describe('Default', () => {
it('should return plugin default config', () => {
expect(Modal.Default).toEqual(jasmine.any(Object))
})
})
describe('DATA_KEY', () => {
it('should return plugin data key', () => {
expect(Modal.DATA_KEY).toEqual('bs.modal')
})
})
describe('constructor', () => {
it('should take care of element either passed as a CSS selector or DOM element', () => {
fixtureEl.innerHTML = '<div class="modal"><div class="modal-dialog"></div></div>'
const modalEl = fixtureEl.querySelector('.modal')
const modalBySelector = new Modal('.modal')
const modalByElement = new Modal(modalEl)
expect(modalBySelector._element).toEqual(modalEl)
expect(modalByElement._element).toEqual(modalEl)
})
})
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describe('toggle', () => {
it('should call ScrollBarHelper to handle scrollBar on body', () => {
return new Promise(resolve => {
fixtureEl.innerHTML = '<div class="modal"><div class="modal-dialog"></div></div>'
const spyHide = spyOn(ScrollBarHelper.prototype, 'hide').and.callThrough()
const spyReset = spyOn(ScrollBarHelper.prototype, 'reset').and.callThrough()
const modalEl = fixtureEl.querySelector('.modal')
const modal = new Modal(modalEl)
modalEl.addEventListener('shown.bs.modal', () => {
expect(spyHide).toHaveBeenCalled()
modal.toggle()
})
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modalEl.addEventListener('hidden.bs.modal', () => {
expect(spyReset).toHaveBeenCalled()
resolve()
})
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modal.toggle()
})
})
})
describe('show', () => {
it('should show a modal', () => {
return new Promise(resolve => {
fixtureEl.innerHTML = '<div class="modal"><div class="modal-dialog"></div></div>'
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const modalEl = fixtureEl.querySelector('.modal')
const modal = new Modal(modalEl)
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modalEl.addEventListener('show.bs.modal', event => {
expect(event).toBeDefined()
})
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modalEl.addEventListener('shown.bs.modal', () => {
expect(modalEl.getAttribute('aria-modal')).toEqual('true')
expect(modalEl.getAttribute('role')).toEqual('dialog')
expect(modalEl.getAttribute('aria-hidden')).toBeNull()
expect(modalEl.style.display).toEqual('block')
expect(document.querySelector('.modal-backdrop')).not.toBeNull()
resolve()
})
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modal.show()
})
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})
it('should show a modal without backdrop', () => {
return new Promise(resolve => {
fixtureEl.innerHTML = '<div class="modal"><div class="modal-dialog"></div></div>'
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const modalEl = fixtureEl.querySelector('.modal')
const modal = new Modal(modalEl, {
backdrop: false
})
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modalEl.addEventListener('show.bs.modal', event => {
expect(event).toBeDefined()
})
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modalEl.addEventListener('shown.bs.modal', () => {
expect(modalEl.getAttribute('aria-modal')).toEqual('true')
expect(modalEl.getAttribute('role')).toEqual('dialog')
expect(modalEl.getAttribute('aria-hidden')).toBeNull()
expect(modalEl.style.display).toEqual('block')
expect(document.querySelector('.modal-backdrop')).toBeNull()
resolve()
})
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modal.show()
})
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})
it('should show a modal and append the element', () => {
return new Promise(resolve => {
const modalEl = document.createElement('div')
const id = 'dynamicModal'
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modalEl.setAttribute('id', id)
modalEl.classList.add('modal')
modalEl.innerHTML = '<div class="modal-dialog"></div>'
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const modal = new Modal(modalEl)
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modalEl.addEventListener('shown.bs.modal', () => {
const dynamicModal = document.getElementById(id)
expect(dynamicModal).not.toBeNull()
dynamicModal.remove()
resolve()
})
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modal.show()
})
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})
it('should do nothing if a modal is shown', () => {
fixtureEl.innerHTML = '<div class="modal"><div class="modal-dialog"></div></div>'
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const modalEl = fixtureEl.querySelector('.modal')
const modal = new Modal(modalEl)
const spy = spyOn(EventHandler, 'trigger')
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modal._isShown = true
modal.show()
expect(spy).not.toHaveBeenCalled()
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})
it('should do nothing if a modal is transitioning', () => {
fixtureEl.innerHTML = '<div class="modal"><div class="modal-dialog"></div></div>'
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const modalEl = fixtureEl.querySelector('.modal')
const modal = new Modal(modalEl)
const spy = spyOn(EventHandler, 'trigger')
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modal._isTransitioning = true
modal.show()
expect(spy).not.toHaveBeenCalled()
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})
it('should not fire shown event when show is prevented', () => {
return new Promise((resolve, reject) => {
fixtureEl.innerHTML = '<div class="modal"><div class="modal-dialog"></div></div>'
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const modalEl = fixtureEl.querySelector('.modal')
const modal = new Modal(modalEl)
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modalEl.addEventListener('show.bs.modal', event => {
event.preventDefault()
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const expectedDone = () => {
expect().nothing()
resolve()
}
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setTimeout(expectedDone, 10)
})
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modalEl.addEventListener('shown.bs.modal', () => {
reject(new Error('shown event triggered'))
})
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modal.show()
})
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})
it('should be shown after the first call to show() has been prevented while fading is enabled ', () => {
return new Promise(resolve => {
fixtureEl.innerHTML = '<div class="modal fade"><div class="modal-dialog"></div></div>'
const modalEl = fixtureEl.querySelector('.modal')
const modal = new Modal(modalEl)
let prevented = false
modalEl.addEventListener('show.bs.modal', event => {
if (!prevented) {
event.preventDefault()
prevented = true
setTimeout(() => {
modal.show()
})
}
})
modalEl.addEventListener('shown.bs.modal', () => {
expect(prevented).toBeTrue()
expect(modal._isAnimated()).toBeTrue()
resolve()
})
modal.show()
})
})
it('should set is transitioning if fade class is present', () => {
return new Promise(resolve => {
fixtureEl.innerHTML = '<div class="modal fade"><div class="modal-dialog"></div></div>'
const modalEl = fixtureEl.querySelector('.modal')
const modal = new Modal(modalEl)
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modalEl.addEventListener('show.bs.modal', () => {
setTimeout(() => {
expect(modal._isTransitioning).toBeTrue()
})
})
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modalEl.addEventListener('shown.bs.modal', () => {
expect(modal._isTransitioning).toBeFalse()
resolve()
})
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modal.show()
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})
})
it('should close modal when a click occurred on data-bs-dismiss="modal" inside modal', () => {
return new Promise(resolve => {
fixtureEl.innerHTML = [
'<div class="modal fade">',
' <div class="modal-dialog">',
' <div class="modal-header">',
' <button type="button" data-bs-dismiss="modal"></button>',
' </div>',
' </div>',
'</div>'
].join('')
const modalEl = fixtureEl.querySelector('.modal')
const btnClose = fixtureEl.querySelector('[data-bs-dismiss="modal"]')
const modal = new Modal(modalEl)
const spy = spyOn(modal, 'hide').and.callThrough()
modalEl.addEventListener('shown.bs.modal', () => {
btnClose.click()
})
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modalEl.addEventListener('hidden.bs.modal', () => {
expect(spy).toHaveBeenCalled()
resolve()
})
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modal.show()
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})
})
it('should close modal when a click occurred on a data-bs-dismiss="modal" with "bs-target" outside of modal element', () => {
return new Promise(resolve => {
fixtureEl.innerHTML = [
'<button type="button" data-bs-dismiss="modal" data-bs-target="#modal1"></button>',
'<div id="modal1" class="modal fade">',
' <div class="modal-dialog"></div>',
'</div>'
].join('')
const modalEl = fixtureEl.querySelector('.modal')
const btnClose = fixtureEl.querySelector('[data-bs-dismiss="modal"]')
const modal = new Modal(modalEl)
const spy = spyOn(modal, 'hide').and.callThrough()
modalEl.addEventListener('shown.bs.modal', () => {
btnClose.click()
})
modalEl.addEventListener('hidden.bs.modal', () => {
expect(spy).toHaveBeenCalled()
resolve()
})
modal.show()
})
})
it('should set .modal\'s scroll top to 0', () => {
return new Promise(resolve => {
fixtureEl.innerHTML = [
'<div class="modal fade">',
' <div class="modal-dialog"></div>',
'</div>'
].join('')
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const modalEl = fixtureEl.querySelector('.modal')
const modal = new Modal(modalEl)
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modalEl.addEventListener('shown.bs.modal', () => {
expect(modalEl.scrollTop).toEqual(0)
resolve()
})
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modal.show()
})
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})
it('should set modal body scroll top to 0 if modal body do not exists', () => {
return new Promise(resolve => {
fixtureEl.innerHTML = [
'<div class="modal fade">',
' <div class="modal-dialog">',
' <div class="modal-body"></div>',
' </div>',
'</div>'
].join('')
const modalEl = fixtureEl.querySelector('.modal')
const modalBody = modalEl.querySelector('.modal-body')
const modal = new Modal(modalEl)
modalEl.addEventListener('shown.bs.modal', () => {
expect(modalBody.scrollTop).toEqual(0)
resolve()
})
modal.show()
})
})
it('should not trap focus if focus equal to false', () => {
return new Promise(resolve => {
fixtureEl.innerHTML = '<div class="modal fade"><div class="modal-dialog"></div></div>'
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const modalEl = fixtureEl.querySelector('.modal')
const modal = new Modal(modalEl, {
focus: false
})
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const spy = spyOn(modal._focustrap, 'activate').and.callThrough()
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modalEl.addEventListener('shown.bs.modal', () => {
expect(spy).not.toHaveBeenCalled()
resolve()
})
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modal.show()
})
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})
it('should add listener when escape touch is pressed', () => {
return new Promise(resolve => {
fixtureEl.innerHTML = '<div class="modal"><div class="modal-dialog"></div></div>'
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const modalEl = fixtureEl.querySelector('.modal')
const modal = new Modal(modalEl)
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const spy = spyOn(modal, 'hide').and.callThrough()
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modalEl.addEventListener('shown.bs.modal', () => {
const keydownEscape = createEvent('keydown')
keydownEscape.key = 'Escape'
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modalEl.dispatchEvent(keydownEscape)
})
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modalEl.addEventListener('hidden.bs.modal', () => {
expect(spy).toHaveBeenCalled()
resolve()
})
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modal.show()
})
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})
it('should do nothing when the pressed key is not escape', () => {
return new Promise(resolve => {
fixtureEl.innerHTML = '<div class="modal"><div class="modal-dialog"></div></div>'
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const modalEl = fixtureEl.querySelector('.modal')
const modal = new Modal(modalEl)
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const spy = spyOn(modal, 'hide')
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const expectDone = () => {
expect(spy).not.toHaveBeenCalled()
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resolve()
}
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modalEl.addEventListener('shown.bs.modal', () => {
const keydownTab = createEvent('keydown')
keydownTab.key = 'Tab'
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modalEl.dispatchEvent(keydownTab)
setTimeout(expectDone, 30)
})
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modal.show()
})
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})
it('should adjust dialog on resize', () => {
return new Promise(resolve => {
fixtureEl.innerHTML = '<div class="modal"><div class="modal-dialog"></div></div>'
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const modalEl = fixtureEl.querySelector('.modal')
const modal = new Modal(modalEl)
const spy = spyOn(modal, '_adjustDialog').and.callThrough()
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const expectDone = () => {
expect(spy).toHaveBeenCalled()
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resolve()
}
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modalEl.addEventListener('shown.bs.modal', () => {
const resizeEvent = createEvent('resize')
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window.dispatchEvent(resizeEvent)
setTimeout(expectDone, 10)
})
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modal.show()
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})
})
it('should not close modal when clicking on modal-content', () => {
return new Promise((resolve, reject) => {
fixtureEl.innerHTML = [
'<div class="modal">',
' <div class="modal-dialog">',
' <div class="modal-content"></div>',
' </div>',
'</div>'
].join('')
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const modalEl = fixtureEl.querySelector('.modal')
const modal = new Modal(modalEl)
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const shownCallback = () => {
setTimeout(() => {
expect(modal._isShown).toEqual(true)
resolve()
}, 10)
}
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modalEl.addEventListener('shown.bs.modal', () => {
fixtureEl.querySelector('.modal-dialog').click()
fixtureEl.querySelector('.modal-content').click()
shownCallback()
})
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modalEl.addEventListener('hidden.bs.modal', () => {
reject(new Error('Should not hide a modal'))
})
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modal.show()
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})
})
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it('should not close modal when clicking outside of modal-content if backdrop = false', () => {
return new Promise((resolve, reject) => {
fixtureEl.innerHTML = '<div class="modal"><div class="modal-dialog"></div></div>'
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const modalEl = fixtureEl.querySelector('.modal')
const modal = new Modal(modalEl, {
backdrop: false
})
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const shownCallback = () => {
setTimeout(() => {
expect(modal._isShown).toBeTrue()
resolve()
}, 10)
}
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modalEl.addEventListener('shown.bs.modal', () => {
modalEl.click()
shownCallback()
})
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modalEl.addEventListener('hidden.bs.modal', () => {
reject(new Error('Should not hide a modal'))
})
modal.show()
})
})
it('should not close modal when clicking outside of modal-content if backdrop = static', () => {
return new Promise((resolve, reject) => {
fixtureEl.innerHTML = '<div class="modal"><div class="modal-dialog"></div></div>'
const modalEl = fixtureEl.querySelector('.modal')
const modal = new Modal(modalEl, {
backdrop: 'static'
})
const shownCallback = () => {
setTimeout(() => {
expect(modal._isShown).toBeTrue()
resolve()
}, 10)
}
modalEl.addEventListener('shown.bs.modal', () => {
modalEl.click()
shownCallback()
})
modalEl.addEventListener('hidden.bs.modal', () => {
reject(new Error('Should not hide a modal'))
})
modal.show()
})
})
it('should close modal when escape key is pressed with keyboard = true and backdrop is static', () => {
return new Promise(resolve => {
fixtureEl.innerHTML = '<div class="modal"><div class="modal-dialog"></div></div>'
const modalEl = fixtureEl.querySelector('.modal')
const modal = new Modal(modalEl, {
backdrop: 'static',
keyboard: true
})
const shownCallback = () => {
setTimeout(() => {
expect(modal._isShown).toBeFalse()
resolve()
}, 10)
}
modalEl.addEventListener('shown.bs.modal', () => {
const keydownEscape = createEvent('keydown')
keydownEscape.key = 'Escape'
modalEl.dispatchEvent(keydownEscape)
shownCallback()
})
modal.show()
})
})
it('should not close modal when escape key is pressed with keyboard = false', () => {
return new Promise((resolve, reject) => {
fixtureEl.innerHTML = '<div class="modal"><div class="modal-dialog"></div></div>'
const modalEl = fixtureEl.querySelector('.modal')
const modal = new Modal(modalEl, {
keyboard: false
})
const shownCallback = () => {
setTimeout(() => {
expect(modal._isShown).toBeTrue()
resolve()
}, 10)
}
modalEl.addEventListener('shown.bs.modal', () => {
const keydownEscape = createEvent('keydown')
keydownEscape.key = 'Escape'
modalEl.dispatchEvent(keydownEscape)
shownCallback()
})
modalEl.addEventListener('hidden.bs.modal', () => {
reject(new Error('Should not hide a modal'))
})
modal.show()
})
})
it('should not overflow when clicking outside of modal-content if backdrop = static', () => {
return new Promise(resolve => {
fixtureEl.innerHTML = '<div class="modal"><div class="modal-dialog" style="transition-duration: 20ms;"></div></div>'
const modalEl = fixtureEl.querySelector('.modal')
const modal = new Modal(modalEl, {
backdrop: 'static'
})
modalEl.addEventListener('shown.bs.modal', () => {
modalEl.click()
setTimeout(() => {
expect(modalEl.clientHeight).toEqual(modalEl.scrollHeight)
resolve()
}, 20)
})
modal.show()
})
})
it('should not queue multiple callbacks when clicking outside of modal-content and backdrop = static', () => {
return new Promise(resolve => {
fixtureEl.innerHTML = '<div class="modal"><div class="modal-dialog" style="transition-duration: 50ms;"></div></div>'
const modalEl = fixtureEl.querySelector('.modal')
const modal = new Modal(modalEl, {
backdrop: 'static'
})
modalEl.addEventListener('shown.bs.modal', () => {
const spy = spyOn(modal, '_queueCallback').and.callThrough()
modalEl.click()
modalEl.click()
setTimeout(() => {
expect(spy).toHaveBeenCalledTimes(1)
resolve()
}, 20)
})
modal.show()
})
})
it('should trap focus', () => {
return new Promise(resolve => {
fixtureEl.innerHTML = '<div class="modal"><div class="modal-dialog"></div></div>'
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const modalEl = fixtureEl.querySelector('.modal')
const modal = new Modal(modalEl)
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const spy = spyOn(modal._focustrap, 'activate').and.callThrough()
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modalEl.addEventListener('shown.bs.modal', () => {
expect(spy).toHaveBeenCalled()
resolve()
})
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modal.show()
})
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})
})
describe('hide', () => {
it('should hide a modal', () => {
return new Promise(resolve => {
fixtureEl.innerHTML = '<div class="modal"><div class="modal-dialog"></div></div>'
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const modalEl = fixtureEl.querySelector('.modal')
const modal = new Modal(modalEl)
const backdropSpy = spyOn(modal._backdrop, 'hide').and.callThrough()
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modalEl.addEventListener('shown.bs.modal', () => {
modal.hide()
})
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modalEl.addEventListener('hide.bs.modal', event => {
expect(event).toBeDefined()
})
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modalEl.addEventListener('hidden.bs.modal', () => {
expect(modalEl.getAttribute('aria-modal')).toBeNull()
expect(modalEl.getAttribute('role')).toBeNull()
expect(modalEl.getAttribute('aria-hidden')).toEqual('true')
expect(modalEl.style.display).toEqual('none')
expect(backdropSpy).toHaveBeenCalled()
resolve()
})
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modal.show()
})
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})
it('should close modal when clicking outside of modal-content', () => {
return new Promise(resolve => {
fixtureEl.innerHTML = '<div class="modal"><div class="modal-dialog"></div></div>'
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const modalEl = fixtureEl.querySelector('.modal')
const modal = new Modal(modalEl)
modalEl.addEventListener('shown.bs.modal', () => {
modalEl.click()
})
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modalEl.addEventListener('hidden.bs.modal', () => {
expect(document.querySelector('.modal-backdrop')).toBeNull()
resolve()
})
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modal.show()
})
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})
it('should do nothing is the modal is not shown', () => {
fixtureEl.innerHTML = '<div class="modal"><div class="modal-dialog"></div></div>'
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const modalEl = fixtureEl.querySelector('.modal')
const modal = new Modal(modalEl)
modal.hide()
expect().nothing()
})
it('should do nothing is the modal is transitioning', () => {
fixtureEl.innerHTML = '<div class="modal"><div class="modal-dialog"></div></div>'
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const modalEl = fixtureEl.querySelector('.modal')
const modal = new Modal(modalEl)
modal._isTransitioning = true
modal.hide()
expect().nothing()
})
it('should not hide a modal if hide is prevented', () => {
return new Promise((resolve, reject) => {
fixtureEl.innerHTML = '<div class="modal"><div class="modal-dialog"></div></div>'
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const modalEl = fixtureEl.querySelector('.modal')
const modal = new Modal(modalEl)
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modalEl.addEventListener('shown.bs.modal', () => {
modal.hide()
})
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const hideCallback = () => {
setTimeout(() => {
expect(modal._isShown).toBeTrue()
resolve()
}, 10)
}
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modalEl.addEventListener('hide.bs.modal', event => {
event.preventDefault()
hideCallback()
})
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modalEl.addEventListener('hidden.bs.modal', () => {
reject(new Error('should not trigger hidden'))
})
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modal.show()
})
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})
it('should release focus trap', () => {
return new Promise(resolve => {
fixtureEl.innerHTML = '<div class="modal"><div class="modal-dialog"></div></div>'
const modalEl = fixtureEl.querySelector('.modal')
const modal = new Modal(modalEl)
const spy = spyOn(modal._focustrap, 'deactivate').and.callThrough()
modalEl.addEventListener('shown.bs.modal', () => {
modal.hide()
})
modalEl.addEventListener('hidden.bs.modal', () => {
expect(spy).toHaveBeenCalled()
resolve()
})
modal.show()
})
})
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})
describe('dispose', () => {
it('should dispose a modal', () => {
fixtureEl.innerHTML = '<div id="exampleModal" class="modal"><div class="modal-dialog"></div></div>'
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const modalEl = fixtureEl.querySelector('.modal')
const modal = new Modal(modalEl)
const focustrap = modal._focustrap
const spyDeactivate = spyOn(focustrap, 'deactivate').and.callThrough()
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expect(Modal.getInstance(modalEl)).toEqual(modal)
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const spyOff = spyOn(EventHandler, 'off')
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modal.dispose()
expect(Modal.getInstance(modalEl)).toBeNull()
expect(spyOff).toHaveBeenCalledTimes(3)
expect(spyDeactivate).toHaveBeenCalled()
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})
})
describe('handleUpdate', () => {
it('should call adjust dialog', () => {
fixtureEl.innerHTML = '<div id="exampleModal" class="modal"><div class="modal-dialog"></div></div>'
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const modalEl = fixtureEl.querySelector('.modal')
const modal = new Modal(modalEl)
const spy = spyOn(modal, '_adjustDialog')
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modal.handleUpdate()
expect(spy).toHaveBeenCalled()
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})
})
describe('data-api', () => {
it('should toggle modal', () => {
return new Promise(resolve => {
fixtureEl.innerHTML = [
'<button type="button" data-bs-toggle="modal" data-bs-target="#exampleModal"></button>',
'<div id="exampleModal" class="modal"><div class="modal-dialog"></div></div>'
].join('')
const modalEl = fixtureEl.querySelector('.modal')
const trigger = fixtureEl.querySelector('[data-bs-toggle="modal"]')
modalEl.addEventListener('shown.bs.modal', () => {
expect(modalEl.getAttribute('aria-modal')).toEqual('true')
expect(modalEl.getAttribute('role')).toEqual('dialog')
expect(modalEl.getAttribute('aria-hidden')).toBeNull()
expect(modalEl.style.display).toEqual('block')
expect(document.querySelector('.modal-backdrop')).not.toBeNull()
setTimeout(() => trigger.click(), 10)
})
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modalEl.addEventListener('hidden.bs.modal', () => {
expect(modalEl.getAttribute('aria-modal')).toBeNull()
expect(modalEl.getAttribute('role')).toBeNull()
expect(modalEl.getAttribute('aria-hidden')).toEqual('true')
expect(modalEl.style.display).toEqual('none')
expect(document.querySelector('.modal-backdrop')).toBeNull()
resolve()
})
trigger.click()
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})
})
it('should not recreate a new modal', () => {
return new Promise(resolve => {
fixtureEl.innerHTML = [
'<button type="button" data-bs-toggle="modal" data-bs-target="#exampleModal"></button>',
'<div id="exampleModal" class="modal"><div class="modal-dialog"></div></div>'
].join('')
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const modalEl = fixtureEl.querySelector('.modal')
const modal = new Modal(modalEl)
const trigger = fixtureEl.querySelector('[data-bs-toggle="modal"]')
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const spy = spyOn(modal, 'show').and.callThrough()
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modalEl.addEventListener('shown.bs.modal', () => {
expect(spy).toHaveBeenCalled()
resolve()
})
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trigger.click()
})
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})
it('should prevent default when the trigger is <a> or <area>', () => {
return new Promise(resolve => {
fixtureEl.innerHTML = [
'<a data-bs-toggle="modal" href="#" data-bs-target="#exampleModal"></a>',
'<div id="exampleModal" class="modal"><div class="modal-dialog"></div></div>'
].join('')
const modalEl = fixtureEl.querySelector('.modal')
const trigger = fixtureEl.querySelector('[data-bs-toggle="modal"]')
const spy = spyOn(Event.prototype, 'preventDefault').and.callThrough()
modalEl.addEventListener('shown.bs.modal', () => {
expect(modalEl.getAttribute('aria-modal')).toEqual('true')
expect(modalEl.getAttribute('role')).toEqual('dialog')
expect(modalEl.getAttribute('aria-hidden')).toBeNull()
expect(modalEl.style.display).toEqual('block')
expect(document.querySelector('.modal-backdrop')).not.toBeNull()
expect(spy).toHaveBeenCalled()
resolve()
})
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trigger.click()
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})
})
it('should focus the trigger on hide', () => {
return new Promise(resolve => {
fixtureEl.innerHTML = [
'<a data-bs-toggle="modal" href="#" data-bs-target="#exampleModal"></a>',
'<div id="exampleModal" class="modal"><div class="modal-dialog"></div></div>'
].join('')
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const modalEl = fixtureEl.querySelector('.modal')
const trigger = fixtureEl.querySelector('[data-bs-toggle="modal"]')
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const spy = spyOn(trigger, 'focus')
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modalEl.addEventListener('shown.bs.modal', () => {
const modal = Modal.getInstance(modalEl)
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modal.hide()
})
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const hideListener = () => {
setTimeout(() => {
expect(spy).toHaveBeenCalled()
resolve()
}, 20)
}
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modalEl.addEventListener('hidden.bs.modal', () => {
hideListener()
})
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trigger.click()
})
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})
it('should not prevent default when a click occurred on data-bs-dismiss="modal" where tagName is DIFFERENT than <a> or <area>', () => {
return new Promise(resolve => {
fixtureEl.innerHTML = [
'<div class="modal">',
' <div class="modal-dialog">',
' <button type="button" data-bs-dismiss="modal"></button>',
' </div>',
'</div>'
].join('')
const modalEl = fixtureEl.querySelector('.modal')
const btnClose = fixtureEl.querySelector('button[data-bs-dismiss="modal"]')
const modal = new Modal(modalEl)
const spy = spyOn(Event.prototype, 'preventDefault').and.callThrough()
modalEl.addEventListener('shown.bs.modal', () => {
btnClose.click()
})
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modalEl.addEventListener('hidden.bs.modal', () => {
expect(spy).not.toHaveBeenCalled()
resolve()
})
modal.show()
})
})
it('should prevent default when a click occurred on data-bs-dismiss="modal" where tagName is <a> or <area>', () => {
return new Promise(resolve => {
fixtureEl.innerHTML = [
'<div class="modal">',
' <div class="modal-dialog">',
' <a type="button" data-bs-dismiss="modal"></a>',
' </div>',
'</div>'
].join('')
const modalEl = fixtureEl.querySelector('.modal')
const btnClose = fixtureEl.querySelector('a[data-bs-dismiss="modal"]')
const modal = new Modal(modalEl)
const spy = spyOn(Event.prototype, 'preventDefault').and.callThrough()
modalEl.addEventListener('shown.bs.modal', () => {
btnClose.click()
})
modalEl.addEventListener('hidden.bs.modal', () => {
expect(spy).toHaveBeenCalled()
resolve()
})
modal.show()
})
})
it('should not focus the trigger if the modal is not visible', () => {
return new Promise(resolve => {
fixtureEl.innerHTML = [
'<a data-bs-toggle="modal" href="#" data-bs-target="#exampleModal" style="display: none;"></a>',
'<div id="exampleModal" class="modal" style="display: none;"><div class="modal-dialog"></div></div>'
].join('')
const modalEl = fixtureEl.querySelector('.modal')
const trigger = fixtureEl.querySelector('[data-bs-toggle="modal"]')
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const spy = spyOn(trigger, 'focus')
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modalEl.addEventListener('shown.bs.modal', () => {
const modal = Modal.getInstance(modalEl)
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modal.hide()
})
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const hideListener = () => {
setTimeout(() => {
expect(spy).not.toHaveBeenCalled()
resolve()
}, 20)
}
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modalEl.addEventListener('hidden.bs.modal', () => {
hideListener()
})
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trigger.click()
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})
})
it('should not focus the trigger if the modal is not shown', () => {
return new Promise(resolve => {
fixtureEl.innerHTML = [
'<a data-bs-toggle="modal" href="#" data-bs-target="#exampleModal"></a>',
'<div id="exampleModal" class="modal"><div class="modal-dialog"></div></div>'
].join('')
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const modalEl = fixtureEl.querySelector('.modal')
const trigger = fixtureEl.querySelector('[data-bs-toggle="modal"]')
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const spy = spyOn(trigger, 'focus')
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const showListener = () => {
setTimeout(() => {
expect(spy).not.toHaveBeenCalled()
resolve()
}, 10)
}
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modalEl.addEventListener('show.bs.modal', event => {
event.preventDefault()
showListener()
})
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trigger.click()
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})
})
it('should call hide first, if another modal is open', () => {
return new Promise(resolve => {
fixtureEl.innerHTML = [
'<button data-bs-toggle="modal" data-bs-target="#modal2"></button>',
'<div id="modal1" class="modal fade"><div class="modal-dialog"></div></div>',
'<div id="modal2" class="modal"><div class="modal-dialog"></div></div>'
].join('')
const trigger2 = fixtureEl.querySelector('button')
const modalEl1 = document.querySelector('#modal1')
const modalEl2 = document.querySelector('#modal2')
const modal1 = new Modal(modalEl1)
modalEl1.addEventListener('shown.bs.modal', () => {
trigger2.click()
})
modalEl1.addEventListener('hidden.bs.modal', () => {
expect(Modal.getInstance(modalEl2)).not.toBeNull()
expect(modalEl2).toHaveClass('show')
resolve()
})
modal1.show()
})
})
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})
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describe('jQueryInterface', () => {
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it('should create a modal', () => {
fixtureEl.innerHTML = '<div class="modal"><div class="modal-dialog"></div></div>'
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const div = fixtureEl.querySelector('div')
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jQueryMock.fn.modal = Modal.jQueryInterface
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jQueryMock.elements = [div]
jQueryMock.fn.modal.call(jQueryMock)
expect(Modal.getInstance(div)).not.toBeNull()
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})
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it('should create a modal with given config', () => {
fixtureEl.innerHTML = '<div class="modal"><div class="modal-dialog"></div></div>'
const div = fixtureEl.querySelector('div')
jQueryMock.fn.modal = Modal.jQueryInterface
jQueryMock.elements = [div]
jQueryMock.fn.modal.call(jQueryMock, { keyboard: false })
const spy = spyOn(Modal.prototype, 'constructor')
expect(spy).not.toHaveBeenCalledWith(div, { keyboard: false })
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const modal = Modal.getInstance(div)
expect(modal).not.toBeNull()
expect(modal._config.keyboard).toBeFalse()
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})
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it('should not re create a modal', () => {
fixtureEl.innerHTML = '<div class="modal"><div class="modal-dialog"></div></div>'
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const div = fixtureEl.querySelector('div')
const modal = new Modal(div)
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jQueryMock.fn.modal = Modal.jQueryInterface
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jQueryMock.elements = [div]
jQueryMock.fn.modal.call(jQueryMock)
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expect(Modal.getInstance(div)).toEqual(modal)
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})
it('should throw error on undefined method', () => {
fixtureEl.innerHTML = '<div class="modal"><div class="modal-dialog"></div></div>'
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const div = fixtureEl.querySelector('div')
const action = 'undefinedMethod'
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jQueryMock.fn.modal = Modal.jQueryInterface
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jQueryMock.elements = [div]
expect(() => {
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jQueryMock.fn.modal.call(jQueryMock, action)
}).toThrowError(TypeError, `No method named "${action}"`)
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})
it('should call show method', () => {
fixtureEl.innerHTML = '<div class="modal"><div class="modal-dialog"></div></div>'
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const div = fixtureEl.querySelector('div')
const modal = new Modal(div)
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jQueryMock.fn.modal = Modal.jQueryInterface
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jQueryMock.elements = [div]
const spy = spyOn(modal, 'show')
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jQueryMock.fn.modal.call(jQueryMock, 'show')
expect(spy).toHaveBeenCalled()
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})
it('should not call show method', () => {
fixtureEl.innerHTML = '<div class="modal" data-bs-show="false"><div class="modal-dialog"></div></div>'
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const div = fixtureEl.querySelector('div')
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jQueryMock.fn.modal = Modal.jQueryInterface
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jQueryMock.elements = [div]
const spy = spyOn(Modal.prototype, 'show')
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jQueryMock.fn.modal.call(jQueryMock)
expect(spy).not.toHaveBeenCalled()
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})
})
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describe('getInstance', () => {
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it('should return modal instance', () => {
fixtureEl.innerHTML = '<div class="modal"><div class="modal-dialog"></div></div>'
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const div = fixtureEl.querySelector('div')
const modal = new Modal(div)
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expect(Modal.getInstance(div)).toEqual(modal)
expect(Modal.getInstance(div)).toBeInstanceOf(Modal)
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})
it('should return null when there is no modal instance', () => {
fixtureEl.innerHTML = '<div class="modal"><div class="modal-dialog"></div></div>'
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const div = fixtureEl.querySelector('div')
expect(Modal.getInstance(div)).toBeNull()
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})
})
describe('getOrCreateInstance', () => {
it('should return modal instance', () => {
fixtureEl.innerHTML = '<div></div>'
const div = fixtureEl.querySelector('div')
const modal = new Modal(div)
expect(Modal.getOrCreateInstance(div)).toEqual(modal)
expect(Modal.getInstance(div)).toEqual(Modal.getOrCreateInstance(div, {}))
expect(Modal.getOrCreateInstance(div)).toBeInstanceOf(Modal)
})
it('should return new instance when there is no modal instance', () => {
fixtureEl.innerHTML = '<div></div>'
const div = fixtureEl.querySelector('div')
expect(Modal.getInstance(div)).toBeNull()
expect(Modal.getOrCreateInstance(div)).toBeInstanceOf(Modal)
})
it('should return new instance when there is no modal instance with given configuration', () => {
fixtureEl.innerHTML = '<div></div>'
const div = fixtureEl.querySelector('div')
expect(Modal.getInstance(div)).toBeNull()
const modal = Modal.getOrCreateInstance(div, {
backdrop: true
})
expect(modal).toBeInstanceOf(Modal)
expect(modal._config.backdrop).toBeTrue()
})
it('should return the instance when exists without given configuration', () => {
fixtureEl.innerHTML = '<div></div>'
const div = fixtureEl.querySelector('div')
const modal = new Modal(div, {
backdrop: true
})
expect(Modal.getInstance(div)).toEqual(modal)
const modal2 = Modal.getOrCreateInstance(div, {
backdrop: false
})
expect(modal).toBeInstanceOf(Modal)
expect(modal2).toEqual(modal)
expect(modal2._config.backdrop).toBeTrue()
})
})
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})