'use strict'; const request = require('supertest'); const assert = require('assert'); const Koa = require('../..'); describe('app.context', () => { const app1 = new Koa(); app1.context.msg = 'hello'; const app2 = new Koa(); it('should merge properties', () => { app1.use((ctx, next) => { assert.equal(ctx.msg, 'hello'); ctx.status = 204; }); return request(app1.listen()) .get('/') .expect(204); }); it('should not affect the original prototype', () => { app2.use((ctx, next) => { assert.equal(ctx.msg, undefined); ctx.status = 204; }); return request(app2.listen()) .get('/') .expect(204); }); });