koa-lite/test/request/ip.js

var request = require('../context').request;

describe('req.ip', function(){
  describe('with req.ips present', function(){
    it('should return req.ips[0]', function(){
      var req = request();
      req.app.proxy = true;
      req.header['x-forwarded-for'] = '127.0.0.1';
      req.socket.remoteAddress = '127.0.0.2';
      req.ip.should.equal('127.0.0.1');
    })
  })

  describe('with no req.ips present', function(){
    it('should return req.socket.remoteAddress', function(){
      var req = request();
      req.socket.remoteAddress = '127.0.0.2';
      req.ip.should.equal('127.0.0.2');
    })

    describe('with req.socket.remoteAddress not present', function(){
      it('should return an empty string', function(){
        var req = request();
        req.socket.remoteAddress = null;
        req.ip.should.equal('');
      })
    })
  })
})