A simple counting plugin for the Chai assertion library
npm install chai-countingA simple counting plugin for the Chai assertion library. expect(n).to.be.zero, expect(n).to.be.one, and so on, through expect(n).to.be.ten. Alternatively, n.should.be.zero, n.should.be.one, etc. This saves you the agony of typing the parentheses in n.should.be.eq(0);.
 
npm install chai-counting
const chai = require('chai');
const chaiCounting = require('chai-counting');
chai.use(chaiCounting);