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Original file line number | Diff line number | Diff line change |
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import { vi } from 'vitest' | ||
import { fireEvent } from '@testing-library/dom' | ||
import { addHoverListener } from './on-hover' | ||
import { delay } from 'nanodelay' | ||
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it('should fix fast mouseenter - mouseleave', async () => { | ||
const target = document.createElement('span') | ||
const onHoverIn = vi.fn() | ||
const onHoverOut = vi.fn() | ||
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document.body.append(target) | ||
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addHoverListener(target, { onHoverIn, onHoverOut }) | ||
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fireEvent.mouseEnter(target) | ||
fireEvent.mouseLeave(target) | ||
fireEvent.mouseEnter(target) | ||
fireEvent.mouseLeave(target) | ||
fireEvent.mouseEnter(target) | ||
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await delay(0) | ||
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expect(onHoverIn).toBeCalledTimes(1) | ||
expect(onHoverOut).toBeCalledTimes(0) | ||
}) | ||
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it('should trigger hover out after some periodic', async () => { | ||
const target = document.createElement('span') | ||
const onHoverIn = vi.fn() | ||
const onHoverOut = vi.fn() | ||
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document.body.append(target) | ||
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addHoverListener(target, { | ||
onHoverIn, | ||
onHoverOut, | ||
debounced: 2, | ||
}) | ||
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fireEvent.mouseEnter(target) | ||
fireEvent.mouseLeave(target) | ||
fireEvent.mouseEnter(target) | ||
fireEvent.mouseLeave(target) | ||
fireEvent.mouseEnter(target) | ||
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await delay(0) | ||
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expect(onHoverIn).toBeCalledTimes(1) | ||
expect(onHoverOut).toBeCalledTimes(0) | ||
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fireEvent.mouseLeave(target) | ||
fireEvent.mouseEnter(target) | ||
fireEvent.mouseLeave(target) | ||
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await delay(3) | ||
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expect(onHoverIn).toBeCalledTimes(1) | ||
expect(onHoverOut).toBeCalledTimes(1) | ||
}) | ||
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it('should trigger hover in if delay provided', async () => { | ||
const target = document.createElement('span') | ||
const onHoverIn = vi.fn() | ||
const onHoverOut = vi.fn() | ||
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document.body.append(target) | ||
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addHoverListener(target, { | ||
onHoverIn, | ||
onHoverOut, | ||
delay: 2, | ||
}) | ||
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fireEvent.mouseEnter(target) | ||
fireEvent.mouseLeave(target) | ||
fireEvent.mouseEnter(target) | ||
fireEvent.mouseLeave(target) | ||
fireEvent.mouseEnter(target) | ||
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await delay(0) | ||
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expect(onHoverIn).toBeCalledTimes(0) | ||
expect(onHoverOut).toBeCalledTimes(0) | ||
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await delay(3) | ||
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expect(onHoverIn).toBeCalledTimes(1) | ||
expect(onHoverOut).toBeCalledTimes(0) | ||
}) | ||
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it('should not trigger hover in if mouseleave before delay', async () => { | ||
const target = document.createElement('span') | ||
const onHoverIn = vi.fn() | ||
const onHoverOut = vi.fn() | ||
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document.body.append(target) | ||
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addHoverListener(target, { | ||
onHoverIn, | ||
onHoverOut, | ||
delay: 2, | ||
}) | ||
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fireEvent.mouseEnter(target) | ||
fireEvent.mouseLeave(target) | ||
fireEvent.mouseEnter(target) | ||
fireEvent.mouseLeave(target) | ||
fireEvent.mouseEnter(target) | ||
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await delay(0) | ||
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expect(onHoverIn).toBeCalledTimes(0) | ||
expect(onHoverOut).toBeCalledTimes(0) | ||
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fireEvent.mouseLeave(target) | ||
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await delay(3) | ||
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expect(onHoverIn).toBeCalledTimes(0) | ||
expect(onHoverOut).toBeCalledTimes(0) | ||
}) |
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