testing library react hooks
import { renderHook, act } from '@testing-library/react-hooks'
import useCounter from './useCounter'
test('should increment counter', () => {
const { result } = renderHook(() => useCounter())
act(() => {
result.current.increment()
})
expect(result.current.count).toBe(1)
})react testing library for hooks
npm install --save-dev @testing-library/react-hooksreact testing library for hooks
import { useState, useCallback } from 'react'
function useCounter() {
const [count, setCount] = useState(0)
const increment = useCallback(() => setCount((x) => x + 1), [])
return { count, increment }
}
export default useCounterCopyright © 2021 Codeinu
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