sqmicro-commons/test/throttle.test.js

Commons for SQ analytics microservices.

const { Throttled } = require('../');

class Counter extends Throttled(Object) {
    get stats() {
        return {
            expected: this.throttleLevel,
            actual: (100 * (1 - this.counter / this.size)).toFixed(2)
        };
    }

    constructor(l, n) {
        super();
        this.counter = 0;
        this.size = n;
        this.throttleLevel = l;
        this.throttledMembers = 'count';
    }

    count() {
        this.counter++;
    }
}

const L = 32;
const N = 1000000;

const counter = new Counter(L, N);


for (let i = 0; i < N; i++) {
    counter.count();
}

console.log(`Number of tries: ${N}`);
console.log(`Expected about ${counter.stats.expected}% of calls to be skipped, actually skipped: ${counter.stats.actual}%`);