test/app.response.js

   1 'use strict'
   2
   3 var after = require('after')
   4 var express = require('../')
   5   , request = require('supertest');
   6
   7 describe('app', function(){
   8   describe('.response', function(){
   9     it('should extend the response prototype', function(done){
  10       var app = express();
  11
  12       app.response.shout = function(str){
  13         this.send(str.toUpperCase());
  14       };
  15
  16       app.use(function(req, res){
  17         res.shout('hey');
  18       });
  19
  20       request(app)
  21       .get('/')
  22       .expect('HEY', done);
  23     })
  24
  25     it('should only extend for the referenced app', function (done) {
  26       var app1 = express()
  27       var app2 = express()
  28       var cb = after(2, done)
  29
  30       app1.response.shout = function (str) {
  31         this.send(str.toUpperCase())
  32       }
  33
  34       app1.get('/', function (req, res) {
  35         res.shout('foo')
  36       })
  37
  38       app2.get('/', function (req, res) {
  39         res.shout('foo')
  40       })
  41
  42       request(app1)
  43         .get('/')
  44         .expect(200, 'FOO', cb)
  45
  46       request(app2)
  47         .get('/')
  48         .expect(500, /(?:not a function|has no method)/, cb)
  49     })
  50
  51     it('should inherit to sub apps', function (done) {
  52       var app1 = express()
  53       var app2 = express()
  54       var cb = after(2, done)
  55
  56       app1.response.shout = function (str) {
  57         this.send(str.toUpperCase())
  58       }
  59
  60       app1.use('/sub', app2)
  61
  62       app1.get('/', function (req, res) {
  63         res.shout('foo')
  64       })
  65
  66       app2.get('/', function (req, res) {
  67         res.shout('foo')
  68       })
  69
  70       request(app1)
  71         .get('/')
  72         .expect(200, 'FOO', cb)
  73
  74       request(app1)
  75         .get('/sub')
  76         .expect(200, 'FOO', cb)
  77     })
  78
  79     it('should allow sub app to override', function (done) {
  80       var app1 = express()
  81       var app2 = express()
  82       var cb = after(2, done)
  83
  84       app1.response.shout = function (str) {
  85         this.send(str.toUpperCase())
  86       }
  87
  88       app2.response.shout = function (str) {
  89         this.send(str + '!')
  90       }
  91
  92       app1.use('/sub', app2)
  93
  94       app1.get('/', function (req, res) {
  95         res.shout('foo')
  96       })
  97
  98       app2.get('/', function (req, res) {
  99         res.shout('foo')
 100       })
 101
 102       request(app1)
 103         .get('/')
 104         .expect(200, 'FOO', cb)
 105
 106       request(app1)
 107         .get('/sub')
 108         .expect(200, 'foo!', cb)
 109     })
 110
 111     it('should not pollute parent app', function (done) {
 112       var app1 = express()
 113       var app2 = express()
 114       var cb = after(2, done)
 115
 116       app1.response.shout = function (str) {
 117         this.send(str.toUpperCase())
 118       }
 119
 120       app2.response.shout = function (str) {
 121         this.send(str + '!')
 122       }
 123
 124       app1.use('/sub', app2)
 125
 126       app1.get('/sub/foo', function (req, res) {
 127         res.shout('foo')
 128       })
 129
 130       app2.get('/', function (req, res) {
 131         res.shout('foo')
 132       })
 133
 134       request(app1)
 135         .get('/sub')
 136         .expect(200, 'foo!', cb)
 137
 138       request(app1)
 139         .get('/sub/foo')
 140         .expect(200, 'FOO', cb)
 141     })
 142   })
 143 })