add req.secure tests

test/req.secure.js

@@ -0,0 +1,53 @@
+
+var express = require('../')
+  , request = require('./support/http');
+
+describe('req', function(){
+  describe('.secure', function(){
+    describe('when X-Forwarded-Proto is missing', function(){
+      it('should return false when http', function(done){
+        var app = express();
+
+        app.get('/', function(req, res){
+          res.send(req.secure ? 'yes' : 'no');
+        });
+
+        request(app)
+        .get('/')
+        .expect('no', done)
+      })
+    })
+  })
+
+  describe('.secure', function(){
+    describe('when X-Forwarded-Proto is present', function(){
+      it('should return false when http', function(done){
+        var app = express();
+
+        app.get('/', function(req, res){
+          res.send(req.secure ? 'yes' : 'no');
+        });
+
+        request(app)
+        .get('/')
+        .set('X-Forwarded-Proto', 'https')
+        .expect('no', done)
+      })
+
+      it('should return true when "trust proxy" is enabled', function(done){
+        var app = express();
+
+        app.enable('trust proxy');
+
+        app.get('/', function(req, res){
+          res.send(req.secure ? 'yes' : 'no');
+        });
+
+        request(app)
+        .get('/')
+        .set('X-Forwarded-Proto', 'https')
+        .expect('yes', done)
+      })
+    })
+  })
+})