text: const expect = require('chai').expect;
  const assert = require('chai').assert;
  
  
  
  describe('App', function(){
    const app = require('../src/js/functions');
    describe('multiply', function (){
      it('should multiply two numbers', function(){
        expect(app.multiply(3,4)).to.equal(12);
        expect(app.multiply(3,4)).not.to.equal(13);
      });
    });
    describe('divide', function (){
      it('should divide two numbers', function(){
        expect(app.divide(12,4)).to.equal(3);
        expect(app.divide(12,4)).not.to.equal(10);
      });
    });
    describe('add', function (){
      it('should add two numbers', function(){
        expect(app.add(12,4)).to.equal(16);
        expect(app.add(12,4)).not.to.equal(10);
      });
    });
    describe('formatDecimals', function (){
      it('should formatDecimals two digits', function(){
        const decimalPlaces = parseFloat(12).toFixed(2);
        expect(app.formatDecimals(12)).equal(decimalPlaces);
        expect(app.formatDecimals(12)).not.to.equal(12);
      });
    });
  
  });
  