adding some mounting tests

test/app.use.js

@@ -0,0 +1,46 @@
+
+var express = require('../')
+  , request = require('./support/http');
+
+describe('app', function(){
+  it('should emit "mount" when mounted', function(done){
+    var blog = express()
+      , app = express();
+
+    blog.on('mount', function(arg){
+      arg.should.equal(app);
+      done();
+    });
+
+    app.use(blog);
+  })
+
+  describe('.use(app)', function(){
+    it('should mount the app', function(done){
+      var blog = express()
+        , forum = express()
+        , app = express();
+
+      blog.get('/blog', function(req, res){
+        res.end('blog');
+      });
+      
+      forum.get('/forum', function(req, res){
+        res.end('forum');
+      });
+
+      app.use(blog);
+      app.use(forum);
+
+      request(app)
+      .get('/blog')
+      .expect('blog', function(){
+        request(app)
+        .get('/forum')
+        .expect('forum', done);
+      });
+    })
+  })
+
+})
+

test/mounting.js

@@ -1,17 +0,0 @@
-
-var express = require('../');
-
-describe('app', function(){
-  it('should emit "mount" when mounted', function(done){
-    var blog = express()
-      , app = express();
-
-    blog.on('mount', function(arg){
-      arg.should.equal(app);
-      done();
-    });
-
-    app.use(blog);
-  })
-})
-