react testing library usestate hook code example

Example 1: 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)
})

Example 2: react testing library for hooks

npm install --save-dev @testing-library/react-hooks