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diff --git a/dgbuilder/test/red/ui_spec.js b/dgbuilder/test/red/ui_spec.js
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+/**
+ * Copyright 2014 IBM Corp.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ **/
+var request = require("supertest");
+var express = require("express");
+var redUI = require("../../red/ui");
+
+
+describe("red/ui icon handler", function() {
+    it('returns the default icon when getting an unknown icon', function(done) {
+        var app = express();
+        redUI({},app);
+        request(app)
+            .get("/icons/youwonthaveme.png")
+            .expect('Content-Type', /image\/png/)
+            .expect(200)
+            .end(function(err, res){
+                if (err){
+                    return done(err);
+                }
+                done();
+              });
+    });
+    
+    it('returns an icon from disk', function(done) {
+        var app = express();
+        redUI({},app);
+        request(app)
+            .get("/icons/arduino.png")
+            .expect('Content-Type', /image\/png/)
+            .expect(200)
+            .end(function(err, res){
+                if (err){
+                    return done(err);
+                }
+                done();
+              });
+    });
+});
+
+describe("icon cache handler", function() {
+    var fs = require('fs-extra');
+    var path = require('path');
+    var events = require("../../red/events");
+    
+    var tempDir = path.join(__dirname,".tmp/");
+    var cachedFakePNG = tempDir + "cacheMe.png";
+    
+    
+    beforeEach(function(done) {
+        fs.remove(tempDir,function(err) {
+            fs.mkdirSync(tempDir);
+            fs.writeFileSync(cachedFakePNG, "Hello PNG\n");
+            done();
+        });     
+    });
+    afterEach(function(done) {
+        fs.exists(cachedFakePNG, function(exists) {
+          if(exists) {
+              fs.unlinkSync(cachedFakePNG);
+          } 
+          fs.remove(tempDir,done);
+        })
+    });
+    
+    /*
+     * This test case test that:
+     * 1) any directory can be added to the path lookup (such as /tmp) by
+     * calling the right event
+     * 2) that a file we know exists gets cached so that the lookup/verification
+     * of actual existence doesn't occur again when a subsequent request comes in
+     * 
+     * The second point verifies that the cache works. If the cache wouldn't work
+     * the default PNG would be served
+     */
+    it('returns an icon using icon cache', function(done) {        
+        var app = express();
+        redUI({},app);
+        events.emit("node-icon-dir", tempDir);
+        request(app)
+            .get("/icons/cacheMe.png")
+            .expect('Content-Type', /image\/png/)
+            .expect(200)
+            .end(function(err, res){
+                if (err){
+                    return done(err);
+                }
+                fs.unlink(cachedFakePNG, function(err) {
+                    if(err) {
+                        return done(err);
+                    }
+                    request(app)
+                    .get("/icons/cacheMe.png")
+                    .expect('Content-Type', /text\/html/)
+                    .expect(404)
+                    .end(function(err, res){
+                        if (err){
+                            return done(err);
+                        }
+                        done();
+                      });
+                });
+              });
+    });
+});
+
+describe("red/ui settings handler", function() {
+    it('returns the provided settings', function(done) {
+        var settings = {
+                httpNodeRoot: "testHttpNodeRoot",
+                version: "testVersion",
+        };
+        var app = express();
+        redUI(settings,app);
+        request(app)
+            .get("/settings")
+            .expect('Content-Type', /application\/json/)
+            .expect(200, "{\n  \"httpNodeRoot\": \"testHttpNodeRoot\",\n  \"version\": \"testVersion\"\n}")
+            .end(function(err, res){
+                if (err){
+                    return done(err);
+                }
+                done();
+            });
+        
+    });
+});
+
+describe("red/ui root handler", function() {
+    it('server up the main page', function(done) {
+        var app = express();
+        redUI({},app);
+        
+        request(app)
+            .get("/")
+            .expect('Content-Type', /text\/html/)
+            .expect(200)
+            .end(function(err, res){
+                if (err){
+                    return done(err);
+                }
+                done();
+            });
+        
+    });
+    
+    it('redirects to path ending with /', function(done) {
+        var rapp = express();
+        redUI({},rapp);
+
+        var app = express().use('/root', rapp);
+        
+        request(app)
+        .get("/root")
+        .expect('Content-Type', /text\/plain/)
+        .expect(302)
+        .end(function(err, res){
+            if (err){
+                return done(err);
+            }
+            done();
+          });
+        
+    });
+});