Fix error in req.subdomains on empty host

Author: dougwilson

Diff for: History.md

@@ -1,3 +1,8 @@
+3.x
+===
+
+  * Fix error in `req.subdomains` on empty host
+
 3.17.0 / 2014-09-08
 ===================
 

Diff for: lib/request.js

@@ -454,6 +454,9 @@ req.__defineGetter__('auth', function(){
 
 req.__defineGetter__('subdomains', function(){
   var host = this.host;
+
+  if (!host) return [];
+
   var offset = this.app.get('subdomain offset');
   var subdomains = !isIP(host)
     ? host.split('.').reverse()

Diff for: test/req.subdomains.js

@@ -15,7 +15,7 @@ describe('req', function(){
         request(app)
         .get('/')
         .set('Host', 'tobi.ferrets.example.com')
-        .expect(["ferrets","tobi"], done);
+        .expect(200, ['ferrets', 'tobi'], done);
       })
 
       it('should work with IPv4 address', function(done){
@@ -28,7 +28,7 @@ describe('req', function(){
         request(app)
         .get('/')
         .set('Host', '127.0.0.1')
-        .expect([], done);
+        .expect(200, [], done);
       })
 
       it('should work with IPv6 address', function(done){
@@ -41,7 +41,7 @@ describe('req', function(){
         request(app)
         .get('/')
         .set('Host', '[::1]')
-        .expect([], done);
+        .expect(200, [], done);
       })
     })
 
@@ -56,7 +56,7 @@ describe('req', function(){
         request(app)
         .get('/')
         .set('Host', 'example.com')
-        .expect([], done);
+        .expect(200, [], done);
       })
     })
 
@@ -71,7 +71,7 @@ describe('req', function(){
 
         request(app)
         .get('/')
-        .expect([], done);
+        .expect(200, [], done);
       })
     })
 
@@ -87,7 +87,7 @@ describe('req', function(){
         request(app)
         .get('/')
         .set('X-Forwarded-Host', 'tobi.ferrets.example.com')
-        .expect(['ferrets', 'tobi'], done);
+        .expect(200, ['ferrets', 'tobi'], done);
       })
     })
 
@@ -104,7 +104,7 @@ describe('req', function(){
           request(app)
           .get('/')
           .set('Host', 'tobi.ferrets.sub.example.com')
-          .expect(["com","example","sub","ferrets","tobi"], done);
+          .expect(200, ['com', 'example', 'sub', 'ferrets', 'tobi'], done);
         })
 
         it('should return an array with the whole IPv4', function (done) {
@@ -118,7 +118,7 @@ describe('req', function(){
           request(app)
           .get('/')
           .set('Host', '127.0.0.1')
-          .expect(['127.0.0.1'], done);
+          .expect(200, ['127.0.0.1'], done);
         })
 
         it('should return an array with the whole IPv6', function (done) {
@@ -132,7 +132,7 @@ describe('req', function(){
           request(app)
           .get('/')
           .set('Host', '[::1]')
-          .expect(['[::1]'], done);
+          .expect(200, ['[::1]'], done);
         })
       })
 
@@ -148,7 +148,7 @@ describe('req', function(){
           request(app)
           .get('/')
           .set('Host', 'tobi.ferrets.sub.example.com')
-          .expect(["ferrets","tobi"], done);
+          .expect(200, ['ferrets', 'tobi'], done);
         })
       })
 
@@ -164,7 +164,7 @@ describe('req', function(){
           request(app)
           .get('/')
           .set('Host', 'sub.example.com')
-          .expect([], done);
+          .expect(200, [], done);
         })
       })
     })