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Bootstrap/js/tests/unit/toast.spec.js

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import Toast from '../../src/toast'
import { clearFixture, createEvent, getFixture, jQueryMock } from '../helpers/fixture'
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describe('Toast', () => {
let fixtureEl
beforeAll(() => {
fixtureEl = getFixture()
})
afterEach(() => {
clearFixture()
})
describe('VERSION', () => {
it('should return plugin version', () => {
expect(Toast.VERSION).toEqual(jasmine.any(String))
})
})
describe('DATA_KEY', () => {
it('should return plugin data key', () => {
expect(Toast.DATA_KEY).toEqual('bs.toast')
})
})
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describe('constructor', () => {
it('should take care of element either passed as a CSS selector or DOM element', () => {
fixtureEl.innerHTML = '<div class="toast"></div>'
const toastEl = fixtureEl.querySelector('.toast')
const toastBySelector = new Toast('.toast')
const toastByElement = new Toast(toastEl)
expect(toastBySelector._element).toEqual(toastEl)
expect(toastByElement._element).toEqual(toastEl)
})
it('should allow to config in js', () => {
return new Promise(resolve => {
fixtureEl.innerHTML = [
'<div class="toast">',
' <div class="toast-body">',
' a simple toast',
' </div>',
'</div>'
].join('')
const toastEl = fixtureEl.querySelector('div')
const toast = new Toast(toastEl, {
delay: 1
})
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toastEl.addEventListener('shown.bs.toast', () => {
expect(toastEl).toHaveClass('show')
resolve()
})
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toast.show()
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})
})
it('should close toast when close element with data-bs-dismiss attribute is set', () => {
return new Promise(resolve => {
fixtureEl.innerHTML = [
'<div class="toast" data-bs-delay="1" data-bs-autohide="false" data-bs-animation="false">',
' <button type="button" class="ms-2 mb-1 btn-close" data-bs-dismiss="toast" aria-label="Close"></button>',
'</div>'
].join('')
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const toastEl = fixtureEl.querySelector('div')
const toast = new Toast(toastEl)
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toastEl.addEventListener('shown.bs.toast', () => {
expect(toastEl).toHaveClass('show')
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const button = toastEl.querySelector('.btn-close')
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button.click()
})
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toastEl.addEventListener('hidden.bs.toast', () => {
expect(toastEl).not.toHaveClass('show')
resolve()
})
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toast.show()
})
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})
})
describe('Default', () => {
it('should expose default setting to allow to override them', () => {
const defaultDelay = 1000
Toast.Default.delay = defaultDelay
fixtureEl.innerHTML = [
'<div class="toast" data-bs-autohide="false" data-bs-animation="false">',
' <button type="button" class="ms-2 mb-1 btn-close" data-bs-dismiss="toast" aria-label="Close"></button>',
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'</div>'
].join('')
const toastEl = fixtureEl.querySelector('div')
const toast = new Toast(toastEl)
expect(toast._config.delay).toEqual(defaultDelay)
})
})
describe('DefaultType', () => {
it('should expose default setting types for read', () => {
expect(Toast.DefaultType).toEqual(jasmine.any(Object))
})
})
describe('show', () => {
it('should auto hide', () => {
return new Promise(resolve => {
fixtureEl.innerHTML = [
'<div class="toast" data-bs-delay="1">',
' <div class="toast-body">',
' a simple toast',
' </div>',
'</div>'
].join('')
const toastEl = fixtureEl.querySelector('.toast')
const toast = new Toast(toastEl)
toastEl.addEventListener('hidden.bs.toast', () => {
expect(toastEl).not.toHaveClass('show')
resolve()
})
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toast.show()
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})
})
it('should not add fade class', () => {
return new Promise(resolve => {
fixtureEl.innerHTML = [
'<div class="toast" data-bs-delay="1" data-bs-animation="false">',
' <div class="toast-body">',
' a simple toast',
' </div>',
'</div>'
].join('')
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const toastEl = fixtureEl.querySelector('.toast')
const toast = new Toast(toastEl)
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toastEl.addEventListener('shown.bs.toast', () => {
expect(toastEl).not.toHaveClass('fade')
resolve()
})
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toast.show()
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})
})
it('should not trigger shown if show is prevented', () => {
return new Promise((resolve, reject) => {
fixtureEl.innerHTML = [
'<div class="toast" data-bs-delay="1" data-bs-animation="false">',
' <div class="toast-body">',
' a simple toast',
' </div>',
'</div>'
].join('')
const toastEl = fixtureEl.querySelector('.toast')
const toast = new Toast(toastEl)
const assertDone = () => {
setTimeout(() => {
expect(toastEl).not.toHaveClass('show')
resolve()
}, 20)
}
toastEl.addEventListener('show.bs.toast', event => {
event.preventDefault()
assertDone()
})
toastEl.addEventListener('shown.bs.toast', () => {
reject(new Error('shown event should not be triggered if show is prevented'))
})
toast.show()
})
})
it('should clear timeout if toast is shown again before it is hidden', () => {
return new Promise(resolve => {
fixtureEl.innerHTML = [
'<div class="toast">',
' <div class="toast-body">',
' a simple toast',
' </div>',
'</div>'
].join('')
const toastEl = fixtureEl.querySelector('.toast')
const toast = new Toast(toastEl)
setTimeout(() => {
toast._config.autohide = false
toastEl.addEventListener('shown.bs.toast', () => {
expect(spy).toHaveBeenCalled()
expect(toast._timeout).toBeNull()
resolve()
})
toast.show()
}, toast._config.delay / 2)
const spy = spyOn(toast, '_clearTimeout').and.callThrough()
toast.show()
})
})
it('should clear timeout if toast is interacted with mouse', () => {
return new Promise(resolve => {
fixtureEl.innerHTML = [
'<div class="toast">',
' <div class="toast-body">',
' a simple toast',
' </div>',
'</div>'
].join('')
const toastEl = fixtureEl.querySelector('.toast')
const toast = new Toast(toastEl)
const spy = spyOn(toast, '_clearTimeout').and.callThrough()
setTimeout(() => {
spy.calls.reset()
toastEl.addEventListener('mouseover', () => {
expect(toast._clearTimeout).toHaveBeenCalledTimes(1)
expect(toast._timeout).toBeNull()
resolve()
})
const mouseOverEvent = createEvent('mouseover')
toastEl.dispatchEvent(mouseOverEvent)
}, toast._config.delay / 2)
toast.show()
})
})
it('should clear timeout if toast is interacted with keyboard', () => {
return new Promise(resolve => {
fixtureEl.innerHTML = [
'<button id="outside-focusable">outside focusable</button>',
'<div class="toast">',
' <div class="toast-body">',
' a simple toast',
' <button>with a button</button>',
' </div>',
'</div>'
].join('')
const toastEl = fixtureEl.querySelector('.toast')
const toast = new Toast(toastEl)
const spy = spyOn(toast, '_clearTimeout').and.callThrough()
setTimeout(() => {
spy.calls.reset()
toastEl.addEventListener('focusin', () => {
expect(toast._clearTimeout).toHaveBeenCalledTimes(1)
expect(toast._timeout).toBeNull()
resolve()
})
const insideFocusable = toastEl.querySelector('button')
insideFocusable.focus()
}, toast._config.delay / 2)
toast.show()
})
})
it('should still auto hide after being interacted with mouse and keyboard', () => {
return new Promise(resolve => {
fixtureEl.innerHTML = [
'<button id="outside-focusable">outside focusable</button>',
'<div class="toast">',
' <div class="toast-body">',
' a simple toast',
' <button>with a button</button>',
' </div>',
'</div>'
].join('')
const toastEl = fixtureEl.querySelector('.toast')
const toast = new Toast(toastEl)
setTimeout(() => {
toastEl.addEventListener('mouseover', () => {
const insideFocusable = toastEl.querySelector('button')
insideFocusable.focus()
})
toastEl.addEventListener('focusin', () => {
const mouseOutEvent = createEvent('mouseout')
toastEl.dispatchEvent(mouseOutEvent)
})
toastEl.addEventListener('mouseout', () => {
const outsideFocusable = document.getElementById('outside-focusable')
outsideFocusable.focus()
})
toastEl.addEventListener('focusout', () => {
expect(toast._timeout).not.toBeNull()
resolve()
})
const mouseOverEvent = createEvent('mouseover')
toastEl.dispatchEvent(mouseOverEvent)
}, toast._config.delay / 2)
toast.show()
})
})
it('should not auto hide if focus leaves but mouse pointer remains inside', () => {
return new Promise(resolve => {
fixtureEl.innerHTML = [
'<button id="outside-focusable">outside focusable</button>',
'<div class="toast">',
' <div class="toast-body">',
' a simple toast',
' <button>with a button</button>',
' </div>',
'</div>'
].join('')
const toastEl = fixtureEl.querySelector('.toast')
const toast = new Toast(toastEl)
setTimeout(() => {
toastEl.addEventListener('mouseover', () => {
const insideFocusable = toastEl.querySelector('button')
insideFocusable.focus()
})
toastEl.addEventListener('focusin', () => {
const outsideFocusable = document.getElementById('outside-focusable')
outsideFocusable.focus()
})
toastEl.addEventListener('focusout', () => {
expect(toast._timeout).toBeNull()
resolve()
})
const mouseOverEvent = createEvent('mouseover')
toastEl.dispatchEvent(mouseOverEvent)
}, toast._config.delay / 2)
toast.show()
})
})
it('should not auto hide if mouse pointer leaves but focus remains inside', () => {
return new Promise(resolve => {
fixtureEl.innerHTML = [
'<button id="outside-focusable">outside focusable</button>',
'<div class="toast">',
' <div class="toast-body">',
' a simple toast',
' <button>with a button</button>',
' </div>',
'</div>'
].join('')
const toastEl = fixtureEl.querySelector('.toast')
const toast = new Toast(toastEl)
setTimeout(() => {
toastEl.addEventListener('mouseover', () => {
const insideFocusable = toastEl.querySelector('button')
insideFocusable.focus()
})
toastEl.addEventListener('focusin', () => {
const mouseOutEvent = createEvent('mouseout')
toastEl.dispatchEvent(mouseOutEvent)
})
toastEl.addEventListener('mouseout', () => {
expect(toast._timeout).toBeNull()
resolve()
})
const mouseOverEvent = createEvent('mouseover')
toastEl.dispatchEvent(mouseOverEvent)
}, toast._config.delay / 2)
toast.show()
})
})
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})
describe('hide', () => {
it('should allow to hide toast manually', () => {
return new Promise(resolve => {
fixtureEl.innerHTML = [
'<div class="toast" data-bs-delay="1" data-bs-autohide="false">',
' <div class="toast-body">',
' a simple toast',
' </div>',
'</div>'
].join('')
const toastEl = fixtureEl.querySelector('.toast')
const toast = new Toast(toastEl)
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toastEl.addEventListener('shown.bs.toast', () => {
toast.hide()
})
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toastEl.addEventListener('hidden.bs.toast', () => {
expect(toastEl).not.toHaveClass('show')
resolve()
})
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toast.show()
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})
})
it('should do nothing when we call hide on a non shown toast', () => {
fixtureEl.innerHTML = '<div></div>'
const toastEl = fixtureEl.querySelector('div')
const toast = new Toast(toastEl)
const spy = spyOn(toastEl.classList, 'contains')
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toast.hide()
expect(spy).toHaveBeenCalled()
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})
it('should not trigger hidden if hide is prevented', () => {
return new Promise((resolve, reject) => {
fixtureEl.innerHTML = [
'<div class="toast" data-bs-delay="1" data-bs-animation="false">',
' <div class="toast-body">',
' a simple toast',
' </div>',
'</div>'
].join('')
const toastEl = fixtureEl.querySelector('.toast')
const toast = new Toast(toastEl)
const assertDone = () => {
setTimeout(() => {
expect(toastEl).toHaveClass('show')
resolve()
}, 20)
}
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toastEl.addEventListener('shown.bs.toast', () => {
toast.hide()
})
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toastEl.addEventListener('hide.bs.toast', event => {
event.preventDefault()
assertDone()
})
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toastEl.addEventListener('hidden.bs.toast', () => {
reject(new Error('hidden event should not be triggered if hide is prevented'))
})
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toast.show()
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})
})
})
describe('dispose', () => {
it('should allow to destroy toast', () => {
fixtureEl.innerHTML = '<div></div>'
const toastEl = fixtureEl.querySelector('div')
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const toast = new Toast(toastEl)
expect(Toast.getInstance(toastEl)).not.toBeNull()
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toast.dispose()
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expect(Toast.getInstance(toastEl)).toBeNull()
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})
it('should allow to destroy toast and hide it before that', () => {
return new Promise(resolve => {
fixtureEl.innerHTML = [
'<div class="toast" data-bs-delay="0" data-bs-autohide="false">',
' <div class="toast-body">',
' a simple toast',
' </div>',
'</div>'
].join('')
const toastEl = fixtureEl.querySelector('div')
const toast = new Toast(toastEl)
const expected = () => {
expect(toastEl).toHaveClass('show')
expect(Toast.getInstance(toastEl)).not.toBeNull()
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toast.dispose()
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expect(Toast.getInstance(toastEl)).toBeNull()
expect(toastEl).not.toHaveClass('show')
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resolve()
}
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toastEl.addEventListener('shown.bs.toast', () => {
setTimeout(expected, 1)
})
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toast.show()
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})
})
})
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describe('jQueryInterface', () => {
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it('should create a toast', () => {
fixtureEl.innerHTML = '<div></div>'
const div = fixtureEl.querySelector('div')
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jQueryMock.fn.toast = Toast.jQueryInterface
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jQueryMock.elements = [div]
jQueryMock.fn.toast.call(jQueryMock)
expect(Toast.getInstance(div)).not.toBeNull()
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})
it('should not re create a toast', () => {
fixtureEl.innerHTML = '<div></div>'
const div = fixtureEl.querySelector('div')
const toast = new Toast(div)
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jQueryMock.fn.toast = Toast.jQueryInterface
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jQueryMock.elements = [div]
jQueryMock.fn.toast.call(jQueryMock)
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expect(Toast.getInstance(div)).toEqual(toast)
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})
it('should call a toast method', () => {
fixtureEl.innerHTML = '<div></div>'
const div = fixtureEl.querySelector('div')
const toast = new Toast(div)
const spy = spyOn(toast, 'show')
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jQueryMock.fn.toast = Toast.jQueryInterface
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jQueryMock.elements = [div]
jQueryMock.fn.toast.call(jQueryMock, 'show')
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expect(Toast.getInstance(div)).toEqual(toast)
expect(spy).toHaveBeenCalled()
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})
it('should throw error on undefined method', () => {
fixtureEl.innerHTML = '<div></div>'
const div = fixtureEl.querySelector('div')
const action = 'undefinedMethod'
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jQueryMock.fn.toast = Toast.jQueryInterface
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jQueryMock.elements = [div]
expect(() => {
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jQueryMock.fn.toast.call(jQueryMock, action)
}).toThrowError(TypeError, `No method named "${action}"`)
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})
})
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describe('getInstance', () => {
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it('should return a toast instance', () => {
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fixtureEl.innerHTML = '<div></div>'
const div = fixtureEl.querySelector('div')
const toast = new Toast(div)
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expect(Toast.getInstance(div)).toEqual(toast)
expect(Toast.getInstance(div)).toBeInstanceOf(Toast)
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})
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it('should return null when there is no toast instance', () => {
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fixtureEl.innerHTML = '<div></div>'
const div = fixtureEl.querySelector('div')
expect(Toast.getInstance(div)).toBeNull()
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})
})
describe('getOrCreateInstance', () => {
it('should return toast instance', () => {
fixtureEl.innerHTML = '<div></div>'
const div = fixtureEl.querySelector('div')
const toast = new Toast(div)
expect(Toast.getOrCreateInstance(div)).toEqual(toast)
expect(Toast.getInstance(div)).toEqual(Toast.getOrCreateInstance(div, {}))
expect(Toast.getOrCreateInstance(div)).toBeInstanceOf(Toast)
})
it('should return new instance when there is no toast instance', () => {
fixtureEl.innerHTML = '<div></div>'
const div = fixtureEl.querySelector('div')
expect(Toast.getInstance(div)).toBeNull()
expect(Toast.getOrCreateInstance(div)).toBeInstanceOf(Toast)
})
it('should return new instance when there is no toast instance with given configuration', () => {
fixtureEl.innerHTML = '<div></div>'
const div = fixtureEl.querySelector('div')
expect(Toast.getInstance(div)).toBeNull()
const toast = Toast.getOrCreateInstance(div, {
delay: 1
})
expect(toast).toBeInstanceOf(Toast)
expect(toast._config.delay).toEqual(1)
})
it('should return the instance when exists without given configuration', () => {
fixtureEl.innerHTML = '<div></div>'
const div = fixtureEl.querySelector('div')
const toast = new Toast(div, {
delay: 1
})
expect(Toast.getInstance(div)).toEqual(toast)
const toast2 = Toast.getOrCreateInstance(div, {
delay: 2
})
expect(toast).toBeInstanceOf(Toast)
expect(toast2).toEqual(toast)
expect(toast2._config.delay).toEqual(1)
})
})
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})