web-tools_td_20171017/test/function.test.js

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describe('Function API:', function () {
    describe('#debounce()', function () {
        const debounce = webtools.debounce
        it(`webtools.debounce(200,function(){return true}) should return true`, function (done) {
            let num = 0
            let interval = null
            let debounced = debounce(500, function () {
                num++
                assert(num === 1)
                done()
                return true
            })
            interval = setInterval(function () {
                debounced()
            }, 20)
            setTimeout(function () {
                clearInterval(interval)
            }, 800)
        })

        it(`webtools.debounce(200,true,function(){return true}) should return true`, function (done) {
            let num = 0
            let interval = null
            let debounced = debounce(500, function () {
                num++
                assert(num === 1)
                done()
                return true
            })
            interval = setInterval(function () {
                debounced()
            }, 20)
            setTimeout(function () {
                clearInterval(interval)
            }, 800)
        })
    });

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

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

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

});