test/req.subdomains.js

   1 'use strict'
   2
   3 var express = require('../')
   4   , request = require('supertest');
   5
   6 describe('req', function(){
   7   describe('.subdomains', function(){
   8     describe('when present', function(){
   9       it('should return an array', function(done){
  10         var app = express();
  11
  12         app.use(function(req, res){
  13           res.send(req.subdomains);
  14         });
  15
  16         request(app)
  17         .get('/')
  18         .set('Host', 'tobi.ferrets.example.com')
  19         .expect(200, ['ferrets', 'tobi'], done);
  20       })
  21
  22       it('should work with IPv4 address', function(done){
  23         var app = express();
  24
  25         app.use(function(req, res){
  26           res.send(req.subdomains);
  27         });
  28
  29         request(app)
  30         .get('/')
  31         .set('Host', '127.0.0.1')
  32         .expect(200, [], done);
  33       })
  34
  35       it('should work with IPv6 address', function(done){
  36         var app = express();
  37
  38         app.use(function(req, res){
  39           res.send(req.subdomains);
  40         });
  41
  42         request(app)
  43         .get('/')
  44         .set('Host', '[::1]')
  45         .expect(200, [], done);
  46       })
  47     })
  48
  49     describe('otherwise', function(){
  50       it('should return an empty array', function(done){
  51         var app = express();
  52
  53         app.use(function(req, res){
  54           res.send(req.subdomains);
  55         });
  56
  57         request(app)
  58         .get('/')
  59         .set('Host', 'example.com')
  60         .expect(200, [], done);
  61       })
  62     })
  63
  64     describe('with no host', function(){
  65       it('should return an empty array', function(done){
  66         var app = express();
  67
  68         app.use(function(req, res){
  69           req.headers.host = null;
  70           res.send(req.subdomains);
  71         });
  72
  73         request(app)
  74         .get('/')
  75         .expect(200, [], done);
  76       })
  77     })
  78
  79     describe('with trusted X-Forwarded-Host', function () {
  80       it('should return an array', function (done) {
  81         var app = express();
  82
  83         app.set('trust proxy', true);
  84         app.use(function (req, res) {
  85           res.send(req.subdomains);
  86         });
  87
  88         request(app)
  89         .get('/')
  90         .set('X-Forwarded-Host', 'tobi.ferrets.example.com')
  91         .expect(200, ['ferrets', 'tobi'], done);
  92       })
  93     })
  94
  95     describe('when subdomain offset is set', function(){
  96       describe('when subdomain offset is zero', function(){
  97         it('should return an array with the whole domain', function(done){
  98           var app = express();
  99           app.set('subdomain offset', 0);
 100
 101           app.use(function(req, res){
 102             res.send(req.subdomains);
 103           });
 104
 105           request(app)
 106           .get('/')
 107           .set('Host', 'tobi.ferrets.sub.example.com')
 108           .expect(200, ['com', 'example', 'sub', 'ferrets', 'tobi'], done);
 109         })
 110
 111         it('should return an array with the whole IPv4', function (done) {
 112           var app = express();
 113           app.set('subdomain offset', 0);
 114
 115           app.use(function(req, res){
 116             res.send(req.subdomains);
 117           });
 118
 119           request(app)
 120           .get('/')
 121           .set('Host', '127.0.0.1')
 122           .expect(200, ['127.0.0.1'], done);
 123         })
 124
 125         it('should return an array with the whole IPv6', function (done) {
 126           var app = express();
 127           app.set('subdomain offset', 0);
 128
 129           app.use(function(req, res){
 130             res.send(req.subdomains);
 131           });
 132
 133           request(app)
 134           .get('/')
 135           .set('Host', '[::1]')
 136           .expect(200, ['[::1]'], done);
 137         })
 138       })
 139
 140       describe('when present', function(){
 141         it('should return an array', function(done){
 142           var app = express();
 143           app.set('subdomain offset', 3);
 144
 145           app.use(function(req, res){
 146             res.send(req.subdomains);
 147           });
 148
 149           request(app)
 150           .get('/')
 151           .set('Host', 'tobi.ferrets.sub.example.com')
 152           .expect(200, ['ferrets', 'tobi'], done);
 153         })
 154       })
 155
 156       describe('otherwise', function(){
 157         it('should return an empty array', function(done){
 158           var app = express();
 159           app.set('subdomain offset', 3);
 160
 161           app.use(function(req, res){
 162             res.send(req.subdomains);
 163           });
 164
 165           request(app)
 166           .get('/')
 167           .set('Host', 'sub.example.com')
 168           .expect(200, [], done);
 169         })
 170       })
 171     })
 172   })
 173 })