'use strict'; const request = require('supertest'); const assert = require('assert'); const Koa = require('../..'); 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 *(next){ 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 *(next){ assert.equal(this.response.msg, undefined) this.status = 204; }); request(app2.listen()) .get('/') .expect(204, done); }) })