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Merged
merged 4 commits into from
Oct 24, 2019
Merged

test: add bubbling tests #386

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00e0272
test: add bubbling tests
pheeria Oct 18, 2019
64a870c
chore: fix a typo
pheeria Oct 18, 2019
c7d49c3
Merge branch 'master' into test/add-bubbling-tests
pheeria Oct 21, 2019
dfc8772
chore: split events
pheeria Oct 23, 2019
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119 changes: 118 additions & 1 deletion src/__tests__/events.js
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Original file line number Diff line number Diff line change
Expand Up @@ -137,6 +137,93 @@ const eventTypes = [
},
]

const bubblingEvents = [
'copy',
'cut',
'paste',
'compositionEnd',
'compositionStart',
'compositionUpdate',
'keyDown',
'keyPress',
'keyUp',
'focusIn',
'focusOut',
'change',
'input',
'submit',
'reset',
'click',
'contextMenu',
'dblClick',
'drag',
'dragEnd',
'dragEnter',
'dragExit',
'dragLeave',
'dragOver',
'dragStart',
'drop',
'mouseDown',
'mouseMove',
'mouseOut',
'mouseOver',
'mouseUp',
'select',
'touchCancel',
'touchEnd',
'touchMove',
'touchStart',
'wheel',
'animationStart',
'animationEnd',
'animationIteration',
'transitionEnd',
'pointerOver',
'pointerDown',
'pointerMove',
'pointerUp',
'pointerCancel',
'pointerOut',
]

const nonBubblingEvents = [
'focus',
'blur',
'invalid',
'mouseEnter',
'mouseLeave',
'scroll',
'abort',
'canPlay',
'canPlayThrough',
'durationChange',
'emptied',
'encrypted',
'ended',
'loadedData',
'loadedMetadata',
'loadStart',
'pause',
'play',
'playing',
'progress',
'rateChange',
'seeked',
'seeking',
'stalled',
'suspend',
'timeUpdate',
'volumeChange',
'waiting',
'load',
'error',
'pointerEnter',
'pointerLeave',
'gotPointerCapture',
'lostPointerCapture',
]

eventTypes.forEach(({type, events, elementType}) => {
describe(`${type} Events`, () => {
events.forEach(eventName => {
Expand All @@ -151,6 +238,36 @@ eventTypes.forEach(({type, events, elementType}) => {
})
})

describe(`Bubbling Events`, () => {
bubblingEvents.forEach(event =>
it(`bubbles ${event}`, () => {
const node = document.createElement('div')
const spy = jest.fn()
node.addEventListener(event.toLowerCase(), spy)

const innerNode = document.createElement('div')
node.appendChild(innerNode)

fireEvent[event](innerNode)
expect(spy).toHaveBeenCalledTimes(1)
}),
)

nonBubblingEvents.forEach(event =>
it(`doesn't bubble ${event}`, () => {
const node = document.createElement('div')
const spy = jest.fn()
node.addEventListener(event.toLowerCase(), spy)

const innerNode = document.createElement('div')
node.appendChild(innerNode)

fireEvent[event](innerNode)
expect(spy).not.toHaveBeenCalled()
}),
)
})

describe(`Aliased Events`, () => {
it(`fires doubleClick`, () => {
const node = document.createElement('div')
Expand Down Expand Up @@ -215,7 +332,7 @@ test('fires shortcut events on Window', () => {
window.addEventListener('click', clickSpy)
fireEvent.click(window)
expect(clickSpy).toHaveBeenCalledTimes(1)
window.removeEventListener('message', clickSpy)
window.removeEventListener('click', clickSpy)
})

test('throws a useful error message when firing events on non-existent nodes', () => {
Expand Down