import { beforeEach, describe, it, vi } from 'vitest'
import { useDebounce } from './useDebounce'

describe('useDebounce()', () => {
  let testFunc: Function
  let testWait: number
  let testImmediate: boolean

  beforeEach(() => {
    testFunc = vi.fn()
    testWait = 1000
    testImmediate = true
  })

  it('should be throw error if first argument passed is not function type', () => {
    testFunc = ''

    const resultFn = () => {
      useDebounce(testFunc, testWait, testImmediate)
    }

    expect(resultFn).toThrow(/is not a function/)
  })

  it('should execute testFunc', () => {
    useDebounce(testFunc, testWait, testImmediate)

    expect(testFunc).toBeCalled()
  })
})