'use strict'; const assert = require('assert'); const request = require('supertest'); const Koa = require('../..').server; describe('app.response', function () { const app1 = new Koa(); app1.response.msg = 'hello'; const app2 = new Koa(); it('should merge properties', function (done) { app1.use(function * () { assert.equal(this.response.msg, 'hello'); this.status = 204; }); request(app1.listen()) .get('/') .expect(204, done); }); it('should not affect the original prototype', function (done) { app2.use(function * () { assert.equal(this.response.msg, undefined); this.status = 204; }); request(app2.listen()) .get('/') .expect(204, done); }); });