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Enrich Tab Test for keyboard handler #37189

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Sep 23, 2022
Merged

Enrich Tab Test for keyboard handler #37189

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19 changes: 13 additions & 6 deletions js/tests/unit/tab.spec.js
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Original file line number Diff line number Diff line change
Expand Up @@ -513,33 +513,40 @@ describe('Tab', () => {
'<div class="nav">',
' <span id="tab1" class="nav-link" data-bs-toggle="tab"></span>',
' <span id="tab2" class="nav-link" data-bs-toggle="tab"></span>',
' <span id="tab3" class="nav-link" data-bs-toggle="tab"></span>',
'</div>'
].join('')

const tabEl = fixtureEl.querySelector('#tab1')
const tabEl1 = fixtureEl.querySelector('#tab1')
const tabEl2 = fixtureEl.querySelector('#tab2')
const tab = new Tab(tabEl)
const tabEl3 = fixtureEl.querySelector('#tab3')
const tab1 = new Tab(tabEl1)
const tab2 = new Tab(tabEl2)
const spyShow1 = spyOn(tab, 'show').and.callThrough()
const tab3 = new Tab(tabEl3)
const spyShow1 = spyOn(tab1, 'show').and.callThrough()
const spyShow2 = spyOn(tab2, 'show').and.callThrough()
const spyShow3 = spyOn(tab3, 'show').and.callThrough()

const spyStop = spyOn(Event.prototype, 'stopPropagation').and.callThrough()
const spyPrevent = spyOn(Event.prototype, 'preventDefault').and.callThrough()

let keydown = createEvent('keydown')
keydown.key = 'ArrowRight'

tabEl.dispatchEvent(keydown)
tabEl1.dispatchEvent(keydown)
expect(spyShow2).toHaveBeenCalled()

keydown = createEvent('keydown')
keydown.key = 'ArrowDown'

tabEl2.dispatchEvent(keydown)
expect(spyShow3).toHaveBeenCalled()

tabEl3.dispatchEvent(keydown)
expect(spyShow1).toHaveBeenCalled()

expect(spyStop).toHaveBeenCalledTimes(2)
expect(spyPrevent).toHaveBeenCalledTimes(2)
expect(spyStop).toHaveBeenCalledTimes(3)
expect(spyPrevent).toHaveBeenCalledTimes(3)
})

it('if keydown event is left arrow, handle it', () => {
Expand Down