web-utils-super/test/function.test.js

前端函数库

describe('Function API:', function () {
  const utils = window['web-utils-super']
  describe('#debounce()', function () {
    const debounce = utils.debounce
    it(`utils.debounce(function(){return true},200) should return true`, function (done) {
      let num = 0
      let interval = null
      let debounced = debounce(function () {
        num++
        assert(num === 1)
        done()
        return true
      }, 200)
      interval = setInterval(function () {
        debounced()
      }, 20)
      setTimeout(function () {
        clearInterval(interval)
      }, 800)
    })

    it(`utils.debounce(function(){return true},200,true) should return true`, function (done) {
      let num = 0
      let interval = null
      let debounced = debounce(function () {
        num++
        assert(num === 1)
        done()
        return true
      }, 200)
      interval = setInterval(function () {
        debounced()
      }, 20)
      setTimeout(function () {
        clearInterval(interval)
      }, 800)
    })
  })

  describe('#throttle()', function () {
    const throttle = utils.throttle

    it(`utils.throttle(function(){return true},200) should return true`, function (done) {
      let num = 0
      let interval = null
      let throttled = throttle(function () {
        num++
        return true
      }, 200)
      interval = setInterval(function () {
        throttled()
      }, 20)
      setTimeout(function () {
        console.log('num', num)
        assert(num === Math.floor((805 - 200) / 200))
        done()
        clearInterval(interval)
      }, 805)
    })
  })
})