1ffb7f213d
* chore: setup jest for unit test hooks and component from joi * chore: update gitignore * chore: exclude jest setup file from tsconfig
33 lines
934 B
TypeScript
33 lines
934 B
TypeScript
import { renderHook } from '@testing-library/react'
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import { fireEvent } from '@testing-library/react'
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import { usePageLeave } from './index'
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describe('@joi/hooks/usePageLeave', () => {
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it('should call onPageLeave when mouse leaves the document', () => {
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const onPageLeaveMock = jest.fn()
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const { result } = renderHook(() => usePageLeave(onPageLeaveMock))
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fireEvent.mouseLeave(document.documentElement)
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expect(onPageLeaveMock).toHaveBeenCalledTimes(1)
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})
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it('should remove event listener on unmount', () => {
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const onPageLeaveMock = jest.fn()
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const removeEventListenerSpy = jest.spyOn(
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document.documentElement,
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'removeEventListener'
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)
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const { unmount } = renderHook(() => usePageLeave(onPageLeaveMock))
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unmount()
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expect(removeEventListenerSpy).toHaveBeenCalledWith(
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'mouseleave',
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expect.any(Function)
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)
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removeEventListenerSpy.mockRestore()
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})
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})
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