var expect = require('chai').expect; describe('has-cors', function() { beforeEach(function() { // make sure result is not cached delete require.cache[require.resolve('./')]; }); it('should not have cors', function() { var hasCors = require('./'); expect(hasCors).to.be.false; }); it('should have cors', function() { global.XMLHttpRequest = function() { this.withCredentials = true; }; var hasCors = require('./'); expect(hasCors).to.be.true; }); });