import { debounce, sleepAsync } from '../src'

/**
 * Tests for debounce
 */
export const debounceTests = describe('debounce', () => {
  it('Simple method execution', (done) => {
    const method = debounce(() => {
      done()
    })
    method()
  })

  it('Should be executed once when triggered multiple time in a given range', async () => {
    let counter = 0
    const method = debounce(() => {
      counter++
    }, 10)
    for (let index = 0; index < 10; index++) {
      method()
    }
    await sleepAsync(300)
    expect(counter).toBe(1)
  })

  it('Should be executed multiple times  when triggered multiple times out of a a given range', async () => {
    let counter = 0
    const method = debounce(() => {
      counter++
    }, 10)
    for (let index = 0; index < 10; index++) {
      method()
      await sleepAsync(15)
    }
    await sleepAsync(300)
    expect(counter).toBe(10)
  })
})