[CCSDK-28] populated the seed code for dgbuilder

updated the code to point to the new package name for sli

Change-Id: I3b5a1d05dc5193664fd4a667afdcd0b2354010a4
Issue-ID:{CCSDK-28}
Signed-off-by: Chinthakayala, Sheshashailavas (sc2914) <sc2914@att.com>
Signed-off-by: Chinthakayala, Sheshashailavas (sc2914) <sc2914@att.com>

22 files changed, 2077 insertions, 0 deletions

diff --git a/dgbuilder/test/red/nodes/Node_spec.js b/dgbuilder/test/red/nodes/Node_spec.js
new file mode 100644
index 00000000..6ac54bd2
--- /dev/null
+++ b/dgbuilder/test/red/nodes/Node_spec.js
@@ -0,0 +1,297 @@
+/**
+ * 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 should = require("should");
+var sinon = require('sinon');
+var RedNode = require("../../../red/nodes/Node");
+var comms = require('../../../red/comms');
+
+describe('Node', function() {
+    describe('#constructor',function() {
+        it('is called with an id and a type',function() {
+            var n = new RedNode({id:'123',type:'abc'});
+            n.should.have.property('id','123');
+            n.should.have.property('type','abc');
+            n.should.not.have.property('name');
+            n.wires.should.be.empty;
+        });
+        
+        it('is called with an id, a type and a name',function() {
+            var n = new RedNode({id:'123',type:'abc',name:'barney'});
+            n.should.have.property('id','123');
+            n.should.have.property('type','abc');
+            n.should.have.property('name','barney');
+            n.wires.should.be.empty;
+        });
+        
+        it('is called with an id, a type and some wires',function() {
+            var n = new RedNode({id:'123',type:'abc',wires:['123','456']});
+            n.should.have.property('id','123');
+            n.should.have.property('type','abc');
+            n.should.not.have.property('name');
+            n.wires.should.have.length(2);
+        });
+        
+    });
+    
+    describe('#close', function() {
+        it('emits close event when closed',function(done) {
+            var n = new RedNode({id:'123',type:'abc'});
+            n.on('close',function() {
+                done();
+            });
+            var p = n.close();
+            should.not.exist(p);
+        });
+        
+        it('returns a promise when provided a callback with a done parameter',function(testdone) {
+            var n = new RedNode({id:'123',type:'abc'});
+            n.on('close',function(done) {
+                setTimeout(function() {
+                    done();
+                },200);
+            });
+            var p = n.close();
+            should.exist(p);
+            p.then(function() {
+                testdone();
+            });
+        });
+    });
+    
+    
+    describe('#receive', function() {
+        it('emits input event when called', function(done) {
+            var n = new RedNode({id:'123',type:'abc'});
+            var message = {payload:"hello world"};
+            n.on('input',function(msg) {
+                should.deepEqual(msg,message);
+                done();
+            });
+            n.receive(message);
+        });
+    });
+    
+    describe('#send', function() {
+            
+        it('emits a single message', function(done) {
+            var n1 = new RedNode({id:'n1',type:'abc',wires:[['n2']]});
+            var n2 = new RedNode({id:'n2',type:'abc'});
+            var message = {payload:"hello world"};
+            
+            n2.on('input',function(msg) {
+                // msg equals message, but is a new copy
+                should.deepEqual(msg,message);
+                should.notStrictEqual(msg,message);
+                done();
+            });
+            
+            n1.send(message);
+        });
+        
+        it('emits multiple messages on a single output', function(done) {
+            var n1 = new RedNode({id:'n1',type:'abc',wires:[['n2']]});
+            var n2 = new RedNode({id:'n2',type:'abc'});
+            
+            var messages = [
+                {payload:"hello world"},
+                {payload:"hello world again"}
+            ];
+            
+            var rcvdCount = 0;
+            
+            n2.on('input',function(msg) {
+                should.deepEqual(msg,messages[rcvdCount]);
+                should.notStrictEqual(msg,messages[rcvdCount]);
+                rcvdCount += 1;
+                if (rcvdCount == 2) {
+                    done();
+                }
+            });
+            n1.send([messages]);
+        });
+        
+        it('emits messages to multiple outputs', function(done) {
+            var n1 = new RedNode({id:'n1',type:'abc',wires:[['n2'],['n3'],['n4','n5']]});
+            var n2 = new RedNode({id:'n2',type:'abc'});
+            var n3 = new RedNode({id:'n3',type:'abc'});
+            var n4 = new RedNode({id:'n4',type:'abc'});
+            var n5 = new RedNode({id:'n5',type:'abc'});
+            
+            var messages = [
+                {payload:"hello world"},
+                null,
+                {payload:"hello world again"}
+            ];
+            
+            var rcvdCount = 0;
+            
+            n2.on('input',function(msg) {
+                should.deepEqual(msg,messages[0]);
+                should.notStrictEqual(msg,messages[0]);
+                rcvdCount += 1;
+                if (rcvdCount == 3) {
+                    done();
+                }
+            });
+            
+            n3.on('input',function(msg) {
+                    should.fail(null,null,"unexpected message");
+            });
+            
+            n4.on('input',function(msg) {
+                should.deepEqual(msg,messages[2]);
+                should.notStrictEqual(msg,messages[2]);
+                rcvdCount += 1;
+                if (rcvdCount == 3) {
+                    done();
+                }
+            });
+            
+            n5.on('input',function(msg) {
+                should.deepEqual(msg,messages[2]);
+                should.notStrictEqual(msg,messages[2]);
+                rcvdCount += 1;
+                if (rcvdCount == 3) {
+                    done();
+                }
+            });
+            
+            n1.send(messages);
+        });
+
+        it('emits no messages', function(done) {
+            var n1 = new RedNode({id:'n1',type:'abc',wires:[['n2']]});
+            var n2 = new RedNode({id:'n2',type:'abc'});
+
+            n2.on('input',function(msg) {
+                should.fail(null,null,"unexpected message");
+            });
+            
+            setTimeout(function() {
+                done();
+            }, 200);
+            
+            n1.send();
+        });
+
+        it('emits messages ignoring non-existent nodes', function(done) {
+            var n1 = new RedNode({id:'n1',type:'abc',wires:[['n9'],['n2']]});
+            var n2 = new RedNode({id:'n2',type:'abc'});
+
+            var messages = [
+                {payload:"hello world"},
+                {payload:"hello world again"}
+            ];
+
+            n2.on('input',function(msg) {
+                should.deepEqual(msg,messages[1]);
+                should.notStrictEqual(msg,messages[1]);
+                done();
+            });
+
+            n1.send(messages);
+        });
+
+        it('emits messages without cloning req or res', function(done) {
+            var n1 = new RedNode({id:'n1',type:'abc',wires:[['n2']]});
+            var n2 = new RedNode({id:'n2',type:'abc'});
+
+            var req = {};
+            var res = {};
+            var cloned = {};
+            var message = {payload: "foo", cloned: cloned, req: req, res: res};
+
+            n2.on('input',function(msg) {
+                should.deepEqual(msg, message);
+                msg.cloned.should.not.be.exactly(message.cloned);
+                msg.req.should.be.exactly(message.req);
+                msg.res.should.be.exactly(message.res);
+                done();
+            });
+
+            n1.send(message);
+        });
+
+    });
+
+    describe('#log', function() {
+        it('emits a log message', function(done) {
+            var n = new RedNode({id:'123',type:'abc'});
+            n.on('log',function(obj) {
+                should.deepEqual({level:"log", id:n.id,
+                                  type:n.type, msg:"a log message"}, obj);
+                done();
+            });
+            n.log("a log message");
+        });
+    });
+
+    describe('#log', function() {
+        it('emits a log message with a name', function(done) {
+            var n = new RedNode({id:'123', type:'abc', name:"barney"});
+            n.on('log',function(obj) {
+                should.deepEqual({level:"log", id:n.id, name: "barney",
+                                  type:n.type, msg:"a log message"}, obj);
+                done();
+            });
+            n.log("a log message");
+        });
+    });
+
+    describe('#warn', function() {
+        it('emits a warning', function(done) {
+            var n = new RedNode({id:'123',type:'abc'});
+            n.on('log',function(obj) {
+                should.deepEqual({level:"warn", id:n.id,
+                                  type:n.type, msg:"a warning"}, obj);
+                done();
+            });
+            n.warn("a warning");
+        });
+    });
+
+    describe('#error', function() {
+        it('emits an error message', function(done) {
+            var n = new RedNode({id:'123',type:'abc'});
+            n.on('log',function(obj) {
+                should.deepEqual({level:"error", id:n.id,
+                                  type:n.type, msg:"an error message"}, obj);
+                done();
+            });
+            n.error("an error message");
+        });
+    });
+
+    describe('#status', function() {
+        after(function() {
+            comms.publish.restore();
+        });
+        it('publishes status', function(done) {
+            var n = new RedNode({id:'123',type:'abc'});
+            var status = {fill:"green",shape:"dot",text:"connected"};
+            sinon.stub(comms, 'publish', function(topic, message, retain) {
+                topic.should.equal('status/123');
+                message.should.equal(status);
+                retain.should.be.true;
+                done();
+            });
+
+            n.status(status);
+        });
+    });
+
+});
diff --git a/dgbuilder/test/red/nodes/credentials_spec.js b/dgbuilder/test/red/nodes/credentials_spec.js
new file mode 100644
index 00000000..3d10461f
--- /dev/null
+++ b/dgbuilder/test/red/nodes/credentials_spec.js
@@ -0,0 +1,497 @@
+/**
+ * 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 should = require("should");
+var sinon = require("sinon");
+var when = require("when");
+var util = require("util");
+
+var index = require("../../../red/nodes/index");
+var credentials = require("../../../red/nodes/credentials");
+
+describe('Credentials', function() {
+    
+    afterEach(function() {
+        index.clearRegistry();
+    });
+    
+    it('loads from storage',function(done) {
+        
+        var storage = {
+            getCredentials: function() {
+                return when.promise(function(resolve,reject) {
+                    resolve({"a":{"b":1,"c":2}});
+                });
+            }
+        };
+        
+        credentials.init(storage);
+        
+        credentials.load().then(function() {
+                
+            credentials.get("a").should.have.property('b',1);
+            credentials.get("a").should.have.property('c',2);
+            
+            done();
+        });
+    });
+    
+    
+    it('saves to storage', function(done) {
+        var storage = {
+            getCredentials: function() {
+                return when.promise(function(resolve,reject) {
+                    resolve({"a":{"b":1,"c":2}});
+                });
+            },
+            saveCredentials: function(creds) {
+                return when(true);
+            }
+        };
+        sinon.spy(storage,"saveCredentials");
+        credentials.init(storage);
+        credentials.load().then(function() {
+            should.not.exist(credentials.get("b"))
+            credentials.add('b',{"d":3});
+            storage.saveCredentials.callCount.should.be.exactly(1);
+            credentials.get("b").should.have.property('d',3);
+            storage.saveCredentials.restore();
+            done();
+        });
+    });
+    
+    it('deletes from storage', function(done) {
+        var storage = {
+            getCredentials: function() {
+                return when.promise(function(resolve,reject) {
+                    resolve({"a":{"b":1,"c":2}});
+                });
+            },
+            saveCredentials: function(creds) {
+                return when(true);
+            }
+        };
+        sinon.spy(storage,"saveCredentials");
+        credentials.init(storage);
+        credentials.load().then(function() {
+            should.exist(credentials.get("a"))
+            credentials.delete('a');
+            storage.saveCredentials.callCount.should.be.exactly(1);
+            should.not.exist(credentials.get("a"));
+            storage.saveCredentials.restore();
+            done();
+        });
+            
+    });
+            
+    it('clean up from storage', function(done) {
+        var storage = {
+            getCredentials: function() {
+                return when.promise(function(resolve,reject) {
+                    resolve({"a":{"b":1,"c":2}});
+                });
+            },
+            saveCredentials: function(creds) {
+                return when(true);
+            }
+        };
+        sinon.spy(storage,"saveCredentials");
+        credentials.init(storage);
+        credentials.load().then(function() {
+            should.exist(credentials.get("a"));
+            credentials.clean(function() {
+                return false;
+            });
+            storage.saveCredentials.callCount.should.be.exactly(1);
+            should.not.exist(credentials.get("a"));
+            storage.saveCredentials.restore();
+            done();
+        });
+    });
+    
+    it('handle error loading from storage', function(done) {
+        var storage = {
+            getCredentials: function() {
+                return when.promise(function(resolve,reject) {
+                    reject("test forcing failure");
+                });
+            },
+            saveCredentials: function(creds) {
+                return when(true);
+            }
+        };
+        var logmsg = 'no errors yet';
+        sinon.stub(util, 'log', function(msg) {
+            logmsg = msg;
+        });
+        
+        credentials.init(storage);
+        credentials.load().then(function() {
+            should.equal('[red] Error loading credentials : test forcing failure', logmsg);
+            util.log.restore();
+            done();
+        }).otherwise(function(err){
+            util.log.restore();
+            done(err);
+        });
+    });
+    
+    it('credential type is not registered when extract', function(done) {
+        var testFlows = [{"type":"test","id":"tab1","label":"Sheet 1"}];
+        var storage = {
+                getFlows: function() {
+                    var defer = when.defer();
+                    defer.resolve(testFlows);
+                    return defer.promise;
+                },
+                getCredentials: function() {
+                    return when.promise(function(resolve,reject) {
+                        resolve({"tab1":{"b":1,"c":2}});
+                    });
+                },
+                saveFlows: function(conf) {
+                    var defer = when.defer();
+                    defer.resolve();
+                    should.deepEqual(testFlows, conf);
+                    return defer.promise;
+                },
+                saveCredentials: function(creds) {
+                    return when(true);
+                },
+                getSettings: function() {
+                    return when({});
+                },
+                saveSettings: function(s) {
+                    return when();
+                }
+        };
+        function TestNode(n) {
+            index.createNode(this, n);
+            
+            this.id = 'tab1';
+            this.type = 'test';
+            this.name = 'barney';
+            var node = this;
+
+            this.on("log", function() {
+                // do nothing
+            });
+        }
+        var logmsg = 'nothing logged yet';
+        sinon.stub(util, 'log', function(msg) {
+            logmsg = msg;
+        });
+        var settings = {
+            available: function() { return false;}
+        }
+        index.init(settings, storage);
+        index.registerType('test', TestNode);   
+        index.loadFlows().then(function() {
+            var testnode = new TestNode({id:'tab1',type:'test',name:'barney'});   
+            credentials.extract(testnode);
+            should.equal(logmsg, 'Credential Type test is not registered.');
+            util.log.restore();
+            done();
+        }).otherwise(function(err){
+            util.log.restore();
+            done(err);
+        });
+    });
+    
+    describe('extract and store credential updates in the provided node', function() {
+        var path = require('path');
+        var fs = require('fs-extra');
+        var http = require('http');
+        var express = require('express');
+        var server = require("../../../red/server");
+        var localfilesystem = require("../../../red/storage/localfilesystem");
+        var app = express();
+        var RED = require("../../../red/red.js");
+        
+        var userDir = path.join(__dirname,".testUserHome");
+        before(function(done) {
+            fs.remove(userDir,function(err) {
+                fs.mkdir(userDir,function() {
+                    sinon.stub(index, 'load', function() {
+                        return when.promise(function(resolve,reject){
+                            resolve([]);
+                        });
+                    });
+                    sinon.stub(localfilesystem, 'getCredentials', function() {
+                         return when.promise(function(resolve,reject) {
+                                resolve({"tab1":{"foo": 2, "pswd":'sticks'}});
+                         });
+                    }) ;
+                    RED.init(http.createServer(function(req,res){app(req,res)}),
+                             {userDir: userDir});
+                    server.start().then(function () {
+                        done(); 
+                     });
+                });
+            });
+        });
+    
+        after(function(done) {
+            fs.remove(userDir,done);
+            server.stop();
+            index.load.restore();
+            localfilesystem.getCredentials.restore();
+        });
+    
+        function TestNode(n) {
+            index.createNode(this, n);
+            var node = this;
+            this.on("log", function() {
+                // do nothing
+            });
+        }
+        
+        it(': credential updated with good value', function(done) {
+            index.registerType('test', TestNode, {
+                credentials: {
+                    foo: {type:"test"}
+                }
+            });   
+            index.loadFlows().then(function() {
+                var testnode = new TestNode({id:'tab1',type:'test',name:'barney'});   
+                credentials.extract(testnode);
+                should.exist(credentials.get('tab1'));
+                credentials.get('tab1').should.have.property('foo',2);
+                
+                // set credentials to be an updated value and checking this is extracted properly
+                testnode.credentials = {"foo": 3};
+                credentials.extract(testnode);
+                should.exist(credentials.get('tab1'));
+                credentials.get('tab1').should.not.have.property('foo',2);
+                credentials.get('tab1').should.have.property('foo',3);
+                done();                    
+            }).otherwise(function(err){
+                done(err);
+            });
+        });
+
+        it(': credential updated with empty value', function(done) {
+            index.registerType('test', TestNode, {
+                credentials: {
+                    foo: {type:"test"}
+                }
+            });   
+            index.loadFlows().then(function() {
+                var testnode = new TestNode({id:'tab1',type:'test',name:'barney'});   
+                // setting value of "foo" credential to be empty removes foo as a property
+                testnode.credentials = {"foo": ''};
+                credentials.extract(testnode);
+                should.exist(credentials.get('tab1'));
+                credentials.get('tab1').should.not.have.property('foo',2);
+                credentials.get('tab1').should.not.have.property('foo');
+                done();                    
+            }).otherwise(function(err){
+                done(err);
+            });
+        });
+ 
+        it(': undefined credential updated', function(done) {
+            index.registerType('test', TestNode, {
+                credentials: {
+                    foo: {type:"test"}
+                }
+            });   
+            index.loadFlows().then(function() {
+                var testnode = new TestNode({id:'tab1',type:'test',name:'barney'});   
+                // setting value of an undefined credential should not change anything
+                testnode.credentials = {"bar": 4};
+                credentials.extract(testnode);
+                should.exist(credentials.get('tab1'));
+                credentials.get('tab1').should.have.property('foo',2);
+                credentials.get('tab1').should.not.have.property('bar');
+                done();                    
+            }).otherwise(function(err){
+                done(err);
+            });
+        });
+        
+        it(': password credential updated', function(done) {
+            index.registerType('password', TestNode, {
+                credentials: {
+                    pswd: {type:"password"}
+                }
+            });   
+            index.loadFlows().then(function() {
+                var testnode = new TestNode({id:'tab1',type:'password',name:'barney'});   
+                // setting value of password credential should update password 
+                testnode.credentials = {"pswd": 'fiddle'};
+                credentials.extract(testnode);
+                should.exist(credentials.get('tab1'));
+                credentials.get('tab1').should.have.property('pswd','fiddle');
+                credentials.get('tab1').should.not.have.property('pswd','sticks');
+                done();                    
+            }).otherwise(function(err){
+                done(err);
+            });
+        });    
+
+        it(': password credential not updated', function(done) {
+            index.registerType('password', TestNode, {
+                credentials: {
+                    pswd: {type:"password"}
+                }
+            });   
+            index.loadFlows().then(function() {
+                var testnode = new TestNode({id:'tab1',type:'password',name:'barney'});   
+                // setting value of password credential should update password 
+                testnode.credentials = {"pswd": '__PWRD__'};
+                credentials.extract(testnode);
+                should.exist(credentials.get('tab1'));
+                credentials.get('tab1').should.have.property('pswd','sticks');
+                credentials.get('tab1').should.not.have.property('pswd','__PWRD__');
+                done();                    
+            }).otherwise(function(err){
+                done(err);
+            });
+        });    
+    
+    })
+
+    describe('registerEndpoint', function() {
+        var path = require('path');
+        var fs = require('fs-extra');
+        var http = require('http');
+        var express = require('express');
+        var request = require('supertest');
+        
+        var server = require("../../../red/server");
+        var localfilesystem = require("../../../red/storage/localfilesystem");
+        var app = express();
+        var RED = require("../../../red/red.js");
+        
+        var userDir = path.join(__dirname,".testUserHome");
+        before(function(done) {
+            fs.remove(userDir,function(err) {
+                fs.mkdir(userDir,function() {
+                    sinon.stub(index, 'load', function() {
+                        return when.promise(function(resolve,reject){
+                            resolve([]);
+                        });
+                    });
+                    sinon.stub(localfilesystem, 'getCredentials', function() {
+                         return when.promise(function(resolve,reject) {
+                                resolve({"tab1":{"foo": 2, "pswd":'sticks'}});
+                         });
+                    }) ;
+                    RED.init(http.createServer(function(req,res){app(req,res)}),
+                             {userDir: userDir});
+                    server.start().then(function () {
+                        done(); 
+                     });
+                });
+            });
+        });
+    
+        after(function(done) {
+            fs.remove(userDir,done);
+            server.stop();
+            index.load.restore();
+            localfilesystem.getCredentials.restore();
+        });
+    
+        function TestNode(n) {
+            index.createNode(this, n);
+            var node = this;
+            this.on("log", function() {
+                // do nothing
+            });
+        }
+        
+        it(': valid credential type', function(done) {
+            index.registerType('test', TestNode, {
+                credentials: {
+                    foo: {type:"test"}
+                }
+            });   
+            index.loadFlows().then(function() {
+                var testnode = new TestNode({id:'tab1',type:'foo',name:'barney'});   
+                request(RED.httpAdmin).get('/credentials/test/tab1').expect(200).end(function(err,res) {
+                    if (err) {
+                        done(err);
+                    }
+                    res.body.should.have.property('foo', 2);
+                    done();
+                });              
+            }).otherwise(function(err){
+                done(err);
+            });
+        });
+        
+        it(': password credential type', function(done) {
+            index.registerType('password', TestNode, {
+                credentials: {
+                    pswd: {type:"password"}
+                }
+            });   
+            index.loadFlows().then(function() {
+                var testnode = new TestNode({id:'tab1',type:'pswd',name:'barney'});   
+                request(RED.httpAdmin).get('/credentials/password/tab1').expect(200).end(function(err,res) {
+                    if (err) {
+                        done(err);
+                    }
+                    res.body.should.have.property('has_pswd', true);
+                    res.body.should.not.have.property('pswd');
+                    done();
+                });              
+            }).otherwise(function(err){
+                done(err);
+            });
+        });    
+        
+        it(': returns 404 for undefined credential type', function(done) {
+            index.registerType('test', TestNode, {
+                credentials: {
+                    foo: {type:"test"}
+                }
+            });   
+            index.loadFlows().then(function() {
+                var testnode = new TestNode({id:'tab1',type:'foo',name:'barney'});   
+                request(RED.httpAdmin).get('/credentials/unknownType/tab1').expect(404).end(done);              
+            }).otherwise(function(err){
+                done(err);
+            });
+        });
+        
+        it(': undefined nodeID', function(done) {
+            index.registerType('test', TestNode, {
+                credentials: {
+                    foo: {type:"test"}
+                }
+            });   
+            index.loadFlows().then(function() {
+                var testnode = new TestNode({id:'tab1',type:'foo',name:'barney'});   
+                request(RED.httpAdmin).get('/credentials/test/unknownNode').expect(200).end(function(err,res) {
+                    if (err) {
+                        done(err);
+                    }
+                    var b = res.body;
+                    res.body.should.not.have.property('foo');
+                    done();
+                });              
+            }).otherwise(function(err){
+                done(err);
+            });
+        });
+        
+    })        
+    
+})     
+
diff --git a/dgbuilder/test/red/nodes/flows_spec.js b/dgbuilder/test/red/nodes/flows_spec.js
new file mode 100644
index 00000000..091bf409
--- /dev/null
+++ b/dgbuilder/test/red/nodes/flows_spec.js
@@ -0,0 +1,134 @@
+/**
+ * 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 should = require("should");
+var sinon = require("sinon");
+var when = require("when");
+var flows = require("../../../red/nodes/flows");
+var RedNode = require("../../../red/nodes/Node");
+var RED = require("../../../red/nodes");
+var events = require("../../../red/events");
+var typeRegistry = require("../../../red/nodes/registry");
+
+
+var settings = {
+    available: function() { return false; }
+}
+
+function loadFlows(testFlows, cb) {
+    var storage = {
+        getFlows: function() {
+            return when.resolve(testFlows);
+        },
+        getCredentials: function() {
+            return when.resolve({});
+        }
+    };
+    RED.init(settings, storage);
+    flows.load().then(function() {
+        should.deepEqual(testFlows, flows.getFlows());
+        cb();
+    });
+}
+
+describe('flows', function() {
+
+    describe('#add',function() {
+        it('should be called by node constructor',function(done) {
+            var n = new RedNode({id:'123',type:'abc'});
+            should.deepEqual(n, flows.get("123"));
+            flows.clear().then(function() {
+                done();
+            });
+        });
+    });
+
+    describe('#each',function() {
+        it('should "visit" all nodes',function(done) {
+            var nodes = [
+                new RedNode({id:'n0'}),
+                new RedNode({id:'n1'})
+            ];
+            var count = 0;
+            flows.each(function(node) {
+                should.deepEqual(nodes[count], node);
+                count += 1;
+                if (count == 2) {
+                    done();
+                }
+            });
+        });
+    });
+
+    describe('#load',function() {
+        it('should load nothing when storage is empty',function(done) {
+            loadFlows([], done);
+        });
+
+        it('should load and start an empty tab flow',function(done) {
+            loadFlows([{"type":"tab","id":"tab1","label":"Sheet 1"}], function() {});
+            events.once('nodes-started', function() { done(); });
+        });
+
+        it('should load and start a registered node type', function(done) {
+            RED.registerType('debug', function() {});
+            var typeRegistryGet = sinon.stub(typeRegistry,"get",function(nt) {
+                return function() {};
+            });
+            loadFlows([{"id":"n1","type":"debug"}], function() { });
+            events.once('nodes-started', function() {
+                typeRegistryGet.restore();
+                done();
+            });
+        });
+
+        it('should load and start when node type is registered', function(done) {
+            var typeRegistryGet = sinon.stub(typeRegistry,"get");
+            typeRegistryGet.onCall(0).returns(null);
+            typeRegistryGet.returns(function(){});
+            
+            loadFlows([{"id":"n2","type":"inject"}], function() {
+                events.emit('type-registered','inject');
+            });
+            events.once('nodes-started', function() {
+                typeRegistryGet.restore();
+                done();
+            });
+        });
+    });
+
+    describe('#setFlows',function() {
+        it('should save and start an empty tab flow',function(done) {
+            var saved = 0;
+            var testFlows = [{"type":"tab","id":"tab1","label":"Sheet 1"}];
+            var storage = {
+                saveFlows: function(conf) {
+                    var defer = when.defer();
+                    defer.resolve();
+                    should.deepEqual(testFlows, conf);
+                    return defer.promise;
+                },
+                saveCredentials: function (creds) {
+                    return when(true);
+                }
+            };
+            RED.init(settings, storage);
+            flows.setFlows(testFlows);
+            events.once('nodes-started', function() { done(); });
+        });
+    });
+
+});
diff --git a/dgbuilder/test/red/nodes/index_spec.js b/dgbuilder/test/red/nodes/index_spec.js
new file mode 100644
index 00000000..dcb866e9
--- /dev/null
+++ b/dgbuilder/test/red/nodes/index_spec.js
@@ -0,0 +1,255 @@
+/**
+ * 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 should = require("should");
+var fs = require('fs-extra');
+var path = require('path');
+var when = require("when");
+var sinon = require('sinon');
+
+var index = require("../../../red/nodes/index");
+
+describe("red/nodes/index", function() {
+        
+    afterEach(function() {
+        index.clearRegistry();
+    });
+
+    var testFlows = [{"type":"test","id":"tab1","label":"Sheet 1"}];
+    var storage = {
+            getFlows: function() {
+                return when(testFlows);
+            },
+            getCredentials: function() {
+                return when({"tab1":{"b":1,"c":2}});
+            },
+            saveFlows: function(conf) {
+                should.deepEqual(testFlows, conf);
+                return when();
+            },
+            saveCredentials: function(creds) {
+                return when(true);
+            }
+    };
+    
+    var settings = {
+        available: function() { return false }
+    };
+
+    function TestNode(n) {
+        index.createNode(this, n);
+        var node = this;
+        this.on("log", function() {
+            // do nothing
+        });
+    }
+    
+   it('nodes are initialised with credentials',function(done) {      
+
+        index.init(settings, storage);
+        index.registerType('test', TestNode);            
+        index.loadFlows().then(function() {
+            var testnode = new TestNode({id:'tab1',type:'test',name:'barney'});   
+            testnode.credentials.should.have.property('b',1);
+            testnode.credentials.should.have.property('c',2);
+            done();
+        }).otherwise(function(err) {
+            done(err);
+        });
+
+    });
+   
+   it('flows should be initialised',function(done) {      
+        index.init(settings, storage);
+        index.loadFlows().then(function() {
+            should.deepEqual(testFlows, index.getFlows());
+            done();
+        }).otherwise(function(err) {
+            done(err);
+        });
+
+    });
+   
+   describe("registerType should register credentials definition", function() {
+       var http = require('http');
+       var express = require('express');
+       var app = express();
+       var server = require("../../../red/server");
+       var credentials = require("../../../red/nodes/credentials");
+       var localfilesystem = require("../../../red/storage/localfilesystem");
+       var RED = require("../../../red/red.js");
+       
+       var userDir = path.join(__dirname,".testUserHome");
+       before(function(done) {
+           fs.remove(userDir,function(err) {
+               fs.mkdir(userDir,function() {
+                   sinon.stub(index, 'load', function() {
+                       return when.promise(function(resolve,reject){
+                           resolve([]);
+                       });
+                   });
+                   sinon.stub(localfilesystem, 'getCredentials', function() {
+                        return when.promise(function(resolve,reject) {
+                               resolve({"tab1":{"b":1,"c":2}});
+                        });
+                   }) ;
+                   RED.init(http.createServer(function(req,res){app(req,res)}),
+                            {userDir: userDir});
+                   server.start().then(function () {
+                       done(); 
+                    });
+               });
+           });
+       });
+
+       after(function(done) {
+           fs.remove(userDir,done);
+           server.stop();
+           index.load.restore();
+           localfilesystem.getCredentials.restore();
+       });
+       
+       it(': definition defined',function(done) {      
+           index.registerType('test', TestNode, {
+               credentials: {
+                   foo: {type:"test"}
+               }   
+           }); 
+           var testnode = new TestNode({id:'tab1',type:'test',name:'barney'});    
+           credentials.getDefinition("test").should.have.property('foo');
+           done();
+       });
+
+   });
+   
+   describe('allows nodes to be added/remove/enabled/disabled from the registry', function() {
+       var registry = require("../../../red/nodes/registry");
+       var randomNodeInfo = {id:"5678",types:["random"]};
+       
+       before(function() {
+           sinon.stub(registry,"getNodeInfo",function(id) {
+               if (id == "test") {
+                   return {id:"1234",types:["test"]};
+               } else if (id == "doesnotexist") {
+                   return null;
+               } else {
+                   return randomNodeInfo;
+               }
+           });
+           sinon.stub(registry,"removeNode",function(id) {
+               return randomNodeInfo;
+           });
+           sinon.stub(registry,"disableNode",function(id) {
+               return randomNodeInfo;
+           });
+       });
+       after(function() {
+           registry.getNodeInfo.restore();
+           registry.removeNode.restore();
+           registry.disableNode.restore();
+       });
+
+       it(': allows an unused node type to be removed',function(done) {      
+            index.init(settings, storage);
+            index.registerType('test', TestNode);            
+            index.loadFlows().then(function() {
+                var info = index.removeNode("5678");
+                registry.removeNode.calledOnce.should.be.true;
+                registry.removeNode.calledWith("5678").should.be.true;
+                info.should.eql(randomNodeInfo);
+                done();
+            }).otherwise(function(err) {
+                done(err);
+            });
+       });
+       
+       it(': allows an unused node type to be disabled',function(done) {      
+            index.init(settings, storage);
+            index.registerType('test', TestNode);            
+            index.loadFlows().then(function() {
+                var info = index.disableNode("5678");
+                registry.disableNode.calledOnce.should.be.true;
+                registry.disableNode.calledWith("5678").should.be.true;
+                info.should.eql(randomNodeInfo);
+                done();
+            }).otherwise(function(err) {
+                done(err);
+            });
+       });
+
+       it(': prevents removing a node type that is in use',function(done) {      
+            index.init(settings, storage);
+            index.registerType('test', TestNode);            
+            index.loadFlows().then(function() {
+                /*jshint immed: false */
+                (function() {
+                    index.removeNode("test");
+                }).should.throw();    
+                
+                done();
+            }).otherwise(function(err) {
+                done(err);
+            });
+       });
+       
+       it(': prevents disabling a node type that is in use',function(done) {
+            index.init(settings, storage);
+            index.registerType('test', TestNode);            
+            index.loadFlows().then(function() {
+                /*jshint immed: false */
+                (function() {
+                    index.disabledNode("test");
+                }).should.throw();    
+                
+                done();
+            }).otherwise(function(err) {
+                done(err);
+            });
+       });
+       
+       it(': prevents removing a node type that is unknown',function(done) {      
+            index.init(settings, storage);
+            index.registerType('test', TestNode);            
+            index.loadFlows().then(function() {
+                /*jshint immed: false */
+                (function() {
+                    index.removeNode("doesnotexist");
+                }).should.throw();    
+                
+                done();
+            }).otherwise(function(err) {
+                done(err);
+            });
+        });
+       it(': prevents disabling a node type that is unknown',function(done) {      
+            index.init(settings, storage);
+            index.registerType('test', TestNode);            
+            index.loadFlows().then(function() {
+                /*jshint immed: false */
+                (function() {
+                    index.disableNode("doesnotexist");
+                }).should.throw();    
+                
+                done();
+            }).otherwise(function(err) {
+                done(err);
+            });
+        });
+
+    });
+   
+   
+});
diff --git a/dgbuilder/test/red/nodes/registry_spec.js b/dgbuilder/test/red/nodes/registry_spec.js
new file mode 100644
index 00000000..81c1a2ce
--- /dev/null
+++ b/dgbuilder/test/red/nodes/registry_spec.js
@@ -0,0 +1,808 @@
+/**
+ * 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 should = require("should");
+var sinon = require("sinon");
+var path = require("path");
+var when = require("when");
+
+var RedNodes = require("../../../red/nodes");
+var RedNode = require("../../../red/nodes/Node");
+var typeRegistry = require("../../../red/nodes/registry");
+var events = require("../../../red/events");
+
+afterEach(function() {
+    typeRegistry.clear();
+});
+
+describe('NodeRegistry', function() {
+    
+    var resourcesDir = __dirname+ path.sep + "resources" + path.sep;
+    
+    function stubSettings(s,available) {
+        s.available =  function() {return available;}
+        s.set = function(s,v) { return when.resolve()},
+        s.get = function(s) { return null;}
+        return s
+    }
+    var settings = stubSettings({},false);
+    var settingsWithStorage = stubSettings({},true);
+    
+    it('automatically registers new nodes',function() {
+        var testNode = RedNodes.getNode('123');
+        should.not.exist(n);
+        var n = new RedNode({id:'123',type:'abc'});
+        
+        var newNode = RedNodes.getNode('123');
+        
+        should.strictEqual(n,newNode);
+    });
+    
+    it('handles nodes that export a function', function(done) {
+        typeRegistry.init(settings);
+        typeRegistry.load(resourcesDir + "TestNode1",true).then(function() {
+            var list = typeRegistry.getNodeList();
+            list.should.be.an.Array.and.have.lengthOf(1);
+            list[0].should.have.property("id");
+            list[0].should.have.property("name","TestNode1.js");
+            list[0].should.have.property("types",["test-node-1"]);
+            list[0].should.have.property("enabled",true);
+            list[0].should.not.have.property("err");
+            
+            var nodeConstructor = typeRegistry.get("test-node-1");
+            nodeConstructor.should.be.type("function");
+            
+            done();
+        }).catch(function(e) {
+            done(e);
+        });
+            
+    });
+    
+    
+    it('handles nodes that export a function returning a resolving promise', function(done) {
+        typeRegistry.init(settings);
+        typeRegistry.load(resourcesDir + "TestNode2",true).then(function() {
+            var list = typeRegistry.getNodeList();
+            list.should.be.an.Array.and.have.lengthOf(1);
+            list[0].should.have.property("id");
+            list[0].should.have.property("name","TestNode2.js");
+            list[0].should.have.property("types",["test-node-2"]);
+            list[0].should.have.property("enabled",true);
+            list[0].should.not.have.property("err");
+            var nodeConstructor = typeRegistry.get("test-node-2");
+            nodeConstructor.should.be.type("function");
+            
+            done();
+        }).catch(function(e) {
+            done(e);
+        });
+            
+    });
+    
+    it('handles nodes that export a function returning a rejecting promise', function(done) {
+        typeRegistry.init(settings);
+        typeRegistry.load(resourcesDir + "TestNode3",true).then(function() {
+            var list = typeRegistry.getNodeList();
+            list.should.be.an.Array.and.have.lengthOf(1);
+            list[0].should.have.property("id");
+            list[0].should.have.property("name","TestNode3.js");
+            list[0].should.have.property("types",["test-node-3"]);
+            list[0].should.have.property("enabled",true);
+            list[0].should.have.property("err","fail");
+
+            var nodeConstructor = typeRegistry.get("test-node-3");
+            (nodeConstructor === null).should.be.true;
+            
+            done();
+        }).catch(function(e) {
+            done(e);
+        });
+            
+    });
+    
+    it('handles files containing multiple nodes', function(done) {
+        typeRegistry.init(settings);
+        typeRegistry.load(resourcesDir + "MultipleNodes1",true).then(function() {
+            var list = typeRegistry.getNodeList();
+            list.should.be.an.Array.and.have.lengthOf(1);
+            list[0].should.have.property("id");
+            list[0].should.have.property("name","MultipleNodes1.js");
+            list[0].should.have.property("types",["test-node-multiple-1a","test-node-multiple-1b"]);
+            list[0].should.have.property("enabled",true);
+            list[0].should.not.have.property("err");
+            
+            var nodeConstructor = typeRegistry.get("test-node-multiple-1a");
+            nodeConstructor.should.be.type("function");
+
+            nodeConstructor = typeRegistry.get("test-node-multiple-1b");
+            nodeConstructor.should.be.type("function");
+            
+            done();
+        }).catch(function(e) {
+            done(e);
+        });
+    });
+    
+    it('handles nested directories', function(done) {
+        typeRegistry.init(settings);
+        typeRegistry.load(resourcesDir + "NestedDirectoryNode",true).then(function() {
+            var list = typeRegistry.getNodeList();
+            list.should.be.an.Array.and.have.lengthOf(1);
+            list[0].should.have.property("id");
+            list[0].should.have.property("name","NestedNode.js");
+            list[0].should.have.property("types",["nested-node-1"]);
+            list[0].should.have.property("enabled",true);
+            list[0].should.not.have.property("err");
+            done();
+        }).catch(function(e) {
+            done(e);
+        });
+    });
+    
+    it('emits type-registered and node-icon-dir events', function(done) {
+        var eventEmitSpy = sinon.spy(events,"emit");
+        typeRegistry.init(settings);
+        typeRegistry.load(resourcesDir + "NestedDirectoryNode",true).then(function() {
+            var list = typeRegistry.getNodeList();
+            list.should.be.an.Array.and.have.lengthOf(1);
+            list[0].should.have.property("name","NestedNode.js");
+            list[0].should.have.property("types",["nested-node-1"]);
+            list[0].should.have.property("enabled",true);
+            list[0].should.not.have.property("err");
+            
+            eventEmitSpy.callCount.should.equal(2);
+            
+            eventEmitSpy.firstCall.args[0].should.be.equal("node-icon-dir");
+            eventEmitSpy.firstCall.args[1].should.be.equal(
+                    resourcesDir + "NestedDirectoryNode" + path.sep + "NestedNode" + path.sep + "icons");
+
+            eventEmitSpy.secondCall.args[0].should.be.equal("type-registered");
+            eventEmitSpy.secondCall.args[1].should.be.equal("nested-node-1");
+            
+            done();
+        }).catch(function(e) {
+            done(e);
+        }).finally(function() {
+            eventEmitSpy.restore();
+        });
+    });
+    
+    it('rejects a duplicate node type registration', function(done) {
+        
+        typeRegistry.init(stubSettings({
+            nodesDir:[resourcesDir + "TestNode1",resourcesDir + "DuplicateTestNode"]
+        },false));
+        typeRegistry.load("wontexist",true).then(function() {
+            var list = typeRegistry.getNodeList();
+            
+            list.should.be.an.Array.and.have.lengthOf(2);
+            list[0].should.have.property("id");
+            list[0].should.have.property("name","TestNode1.js");
+            list[0].should.have.property("types",["test-node-1"]);
+            list[0].should.have.property("enabled",true);
+            list[0].should.not.have.property("err");
+            
+            list[1].should.have.property("id");
+            list[1].id.should.not.equal(list[0].id);
+            
+            list[1].should.have.property("name","TestNode1.js");
+            list[1].should.have.property("types",["test-node-1"]);
+            list[1].should.have.property("enabled",true);
+            list[1].should.have.property("err");
+            /already registered/.test(list[1].err).should.be.true;
+
+            var nodeConstructor = typeRegistry.get("test-node-1");
+            // Verify the duplicate node hasn't replaced the original one
+            nodeConstructor.name.should.be.equal("TestNode");
+            
+            done();
+        }).catch(function(e) {
+            done(e);
+        });
+    });
+    
+    it('handles nodesDir as a string', function(done) {
+
+        typeRegistry.init(stubSettings({
+            nodesDir :resourcesDir + "TestNode1"
+        },false));
+        typeRegistry.load("wontexist",true).then(function(){
+            var list = typeRegistry.getNodeList();
+            list.should.be.an.Array.and.have.lengthOf(1);
+            list[0].should.have.property("types",["test-node-1"]);
+            done();
+        }).catch(function(e) {
+            done("Loading of non-existing nodesDir should succeed");
+        });
+            
+    });
+    
+    it('handles invalid nodesDir',function(done) {
+
+        typeRegistry.init(stubSettings({
+            nodesDir : "wontexist"
+        },false));
+        typeRegistry.load("wontexist",true).then(function(){
+            var list = typeRegistry.getNodeList();
+            list.should.be.an.Array.and.be.empty;
+            done();
+        }).catch(function(e) {
+            done("Loading of non-existing nodesDir should succeed");
+        });
+    });
+    
+    it('returns nothing for an unregistered type config', function() {
+        typeRegistry.init(settings);
+        typeRegistry.load("wontexist",true).then(function(){
+            var config = typeRegistry.getNodeConfig("imaginary-shark");
+            (config === null).should.be.true;
+        }).catch(function(e) {
+            done(e);
+        });
+    });
+    
+    it('excludes node files listed in nodesExcludes',function(done) {
+        typeRegistry.init(stubSettings({
+            nodesExcludes: [ "TestNode1.js" ],
+            nodesDir:[resourcesDir + "TestNode1",resourcesDir + "TestNode2"]
+        },false));
+        typeRegistry.load("wontexist",true).then(function() {
+            var list = typeRegistry.getNodeList();
+            list.should.be.an.Array.and.have.lengthOf(1);
+            list[0].should.have.property("types",["test-node-2"]);
+            done();
+        }).catch(function(e) {
+            done(e);
+        });
+    });
+    
+    it('returns the node configurations', function(done) {
+        typeRegistry.init(stubSettings({
+            nodesDir:[resourcesDir + "TestNode1",resourcesDir + "TestNode2"]
+        },false));
+        typeRegistry.load("wontexist",true).then(function() {
+            var list = typeRegistry.getNodeList();
+            
+            var nodeConfigs = typeRegistry.getNodeConfigs();
+            
+            // TODO: this is brittle...
+            nodeConfigs.should.equal("<script type=\"text/x-red\" data-template-name=\"test-node-1\"></script>\n<script type=\"text/x-red\" data-help-name=\"test-node-1\"></script>\n<script type=\"text/javascript\">RED.nodes.registerType('test-node-1',{});</script>\n<style></style>\n<p>this should be filtered out</p>\n<script type=\"text/x-red\" data-template-name=\"test-node-2\"></script>\n<script type=\"text/x-red\" data-help-name=\"test-node-2\"></script>\n<script type=\"text/javascript\">RED.nodes.registerType('test-node-2',{});</script>\n<style></style>\n");
+            
+            var nodeId = list[0].id;
+            var nodeConfig = typeRegistry.getNodeConfig(nodeId);
+            nodeConfig.should.equal("<script type=\"text/x-red\" data-template-name=\"test-node-1\"></script>\n<script type=\"text/x-red\" data-help-name=\"test-node-1\"></script>\n<script type=\"text/javascript\">RED.nodes.registerType('test-node-1',{});</script>\n<style></style>\n<p>this should be filtered out</p>\n");
+            done();
+        }).catch(function(e) {
+            done(e);
+        });
+    });
+    
+    it('stores the node list', function(done) {
+        var settings = {
+            nodesDir:[resourcesDir + "TestNode1",resourcesDir + "TestNode2",resourcesDir + "TestNode3"],
+            available: function() { return true; },
+            set: function(s,v) {return when.resolve();},
+            get: function(s) { return null;}
+        }
+        var settingsSave = sinon.spy(settings,"set");
+        typeRegistry.init(settings);
+        typeRegistry.load("wontexist",true).then(function() {
+            var list = typeRegistry.getNodeList();
+            list.should.be.Array.and.have.length(3);
+            
+            settingsSave.callCount.should.equal(1);
+            settingsSave.firstCall.args[0].should.be.equal("nodes");
+            var savedList = settingsSave.firstCall.args[1];
+            
+            savedList[list[0].id].name == list[0].name;
+            savedList[list[1].id].name == list[1].name;
+            savedList[list[2].id].name == list[2].name;
+            
+            savedList[list[0].id].should.not.have.property("err");
+            savedList[list[1].id].should.not.have.property("err");
+            savedList[list[2].id].should.not.have.property("err");
+            
+            done();
+        }).catch(function(e) {
+            done(e);
+        }).finally(function() {
+            settingsSave.restore();
+        });
+            
+    });
+    
+    it('allows nodes to be added by filename', function(done) {
+        var settings = {
+            available: function() { return true; },
+            set: function(s,v) {return when.resolve();},
+            get: function(s) { return null;}
+        }            
+        typeRegistry.init(settings);
+        typeRegistry.load("wontexist",true).then(function(){
+            var list = typeRegistry.getNodeList();
+            list.should.be.an.Array.and.be.empty;
+            
+            typeRegistry.addNode(resourcesDir + "TestNode1/TestNode1.js").then(function(node) {
+                list = typeRegistry.getNodeList();
+                list[0].should.have.property("id");
+                list[0].should.have.property("name","TestNode1.js");
+                list[0].should.have.property("types",["test-node-1"]);
+                list[0].should.have.property("enabled",true);
+                list[0].should.not.have.property("err");
+                
+                node.should.be.an.Array.and.have.lengthOf(1);
+                node.should.eql(list);
+                
+                done();
+            }).catch(function(e) {
+                done(e);
+            });
+            
+        }).catch(function(e) {
+            done(e);
+        });
+    });
+    
+    it('fails to add non-existent filename', function(done) {
+        typeRegistry.init(settingsWithStorage);
+        typeRegistry.load("wontexist",true).then(function(){
+            var list = typeRegistry.getNodeList();
+            list.should.be.an.Array.and.be.empty;
+            typeRegistry.addNode(resourcesDir + "DoesNotExist/DoesNotExist.js").then(function(nodes) {
+                nodes.should.be.an.Array.and.have.lengthOf(1);
+                nodes[0].should.have.property("id");
+                nodes[0].should.have.property("types",[]);
+                nodes[0].should.have.property("err");
+                done();
+            }).otherwise(function(e) {
+                done(e);
+            });
+            
+        }).catch(function(e) {
+            done(e);
+        });
+    });
+    
+    it('returns node info by type or id', function(done) {
+        typeRegistry.init(settings);
+        typeRegistry.load(resourcesDir + "TestNode1",true).then(function() {
+            var list = typeRegistry.getNodeList();
+            list.should.be.an.Array.and.have.lengthOf(1);
+            
+            var id = list[0].id;
+            var type = list[0].types[0];
+            
+            list[0].should.have.property("id");
+            list[0].should.have.property("name","TestNode1.js");
+            list[0].should.have.property("types",["test-node-1"]);
+            list[0].should.have.property("enabled",true);
+            list[0].should.not.have.property("err");
+            
+            var info = typeRegistry.getNodeInfo(id);
+            list[0].should.eql(info);
+
+            var info2 = typeRegistry.getNodeInfo(type);
+            list[0].should.eql(info2);
+            
+            done();
+        }).catch(function(e) {
+            done(e);
+        });
+            
+    });
+    
+    
+    it('rejects adding duplicate nodes', function(done) {
+        typeRegistry.init(settingsWithStorage);
+        typeRegistry.load(resourcesDir + "TestNode1",true).then(function(){
+            var list = typeRegistry.getNodeList();
+            list.should.be.an.Array.and.have.lengthOf(1);
+            
+            typeRegistry.addNode({file:resourcesDir + "TestNode1" + path.sep + "TestNode1.js"}).then(function(node) {
+                done(new Error("duplicate node loaded"));
+            }).otherwise(function(e) {
+                var list = typeRegistry.getNodeList();
+                list.should.be.an.Array.and.have.lengthOf(1);
+                done();
+            });
+            
+        }).catch(function(e) {
+            done(e);
+        });
+    });
+    
+    it('removes nodes from the registry', function(done) {
+        typeRegistry.init(settingsWithStorage);
+        typeRegistry.load(resourcesDir + "TestNode1",true).then(function() {
+            var list = typeRegistry.getNodeList();
+            list.should.be.an.Array.and.have.lengthOf(1);
+            list[0].should.have.property("id");
+            list[0].should.have.property("name","TestNode1.js");
+            list[0].should.have.property("types",["test-node-1"]);
+            list[0].should.have.property("enabled",true);
+            list[0].should.have.property("loaded",true);
+
+            typeRegistry.getNodeConfigs().length.should.be.greaterThan(0);
+            
+            var info = typeRegistry.removeNode(list[0].id);
+            
+            info.should.have.property("id",list[0].id);
+            info.should.have.property("enabled",false);
+            info.should.have.property("loaded",false);
+            
+            typeRegistry.getNodeList().should.be.an.Array.and.be.empty;
+            typeRegistry.getNodeConfigs().length.should.equal(0);
+            
+            var nodeConstructor = typeRegistry.get("test-node-1");
+            (typeof nodeConstructor).should.be.equal("undefined");
+            
+            
+            done();
+        }).catch(function(e) {
+            done(e);
+        });
+    });
+    
+    it('rejects removing unknown nodes from the registry', function(done) {
+        typeRegistry.init(settings);
+        typeRegistry.load("wontexist",true).then(function() {
+            var list = typeRegistry.getNodeList();
+            list.should.be.an.Array.and.be.empty;
+
+            
+            /*jshint immed: false */
+            (function() {
+                typeRegistry.removeNode("1234");
+            }).should.throw();
+
+            done();
+        }).catch(function(e) {
+            done(e);
+        });
+    });
+    
+    it('scans the node_modules path for node files', function(done) {
+        var fs = require("fs");
+        var path = require("path");
+        
+        var eventEmitSpy = sinon.spy(events,"emit");
+        var pathJoin = (function() {
+            var _join = path.join;
+            return sinon.stub(path,"join",function() {
+                if (arguments.length  == 3 && arguments[2] == "package.json") {
+                    return _join(resourcesDir,"TestNodeModule" + path.sep + "node_modules" + path.sep,arguments[1],arguments[2]);
+                }
+                if (arguments.length == 2 && arguments[1] == "TestNodeModule") {
+                    return _join(resourcesDir,"TestNodeModule" + path.sep + "node_modules" + path.sep,arguments[1]);
+                }
+                return _join.apply(this,arguments);
+            });
+        })();
+        
+        var readdirSync = (function() {
+            var originalReaddirSync = fs.readdirSync;
+            var callCount = 0;
+            return sinon.stub(fs,"readdirSync",function(dir) {
+                var result = [];
+                if (callCount == 1) {
+                    result = originalReaddirSync(resourcesDir + "TestNodeModule" + path.sep + "node_modules");
+                }
+                callCount++;
+                return result;
+            });
+        })();
+        
+        typeRegistry.init(settings);
+        typeRegistry.load("wontexist",false).then(function(){
+            var list = typeRegistry.getNodeList();
+            list.should.be.an.Array.and.have.lengthOf(2);
+            list[0].should.have.property("id");
+            list[0].should.have.property("name","TestNodeModule:TestNodeMod1");
+            list[0].should.have.property("types",["test-node-mod-1"]);
+            list[0].should.have.property("enabled",true);
+            list[0].should.not.have.property("err");
+
+            list[1].should.have.property("id");
+            list[1].should.have.property("name","TestNodeModule:TestNodeMod2");
+            list[1].should.have.property("types",["test-node-mod-2"]);
+            list[1].should.have.property("enabled",true);
+            list[1].should.have.property("err");
+            
+            
+            eventEmitSpy.callCount.should.equal(2);
+            
+            eventEmitSpy.firstCall.args[0].should.be.equal("node-icon-dir");
+            eventEmitSpy.firstCall.args[1].should.be.equal(
+                    resourcesDir + "TestNodeModule" + path.sep+ "node_modules" + path.sep + "TestNodeModule" + path.sep + "icons");
+
+            eventEmitSpy.secondCall.args[0].should.be.equal("type-registered");
+            eventEmitSpy.secondCall.args[1].should.be.equal("test-node-mod-1");
+            
+            done();
+        }).catch(function(e) {
+            done(e);
+        }).finally(function() {
+            readdirSync.restore();
+            pathJoin.restore();
+            eventEmitSpy.restore();
+        });
+    });
+    
+    it('allows nodes to be added by module name', function(done) {
+        var fs = require("fs");
+        var path = require("path");
+
+        var pathJoin = (function() {
+            var _join = path.join;
+            return sinon.stub(path,"join",function() {
+                if (arguments.length  == 3 && arguments[2] == "package.json") {
+                    return _join(resourcesDir,"TestNodeModule" + path.sep + "node_modules" + path.sep,arguments[1],arguments[2]);
+                }
+                if (arguments.length == 2 && arguments[1] == "TestNodeModule") {
+                    return _join(resourcesDir,"TestNodeModule" + path.sep + "node_modules" + path.sep,arguments[1]);
+                }
+                return _join.apply(this,arguments);
+            });
+        })();
+        
+        var readdirSync = (function() {
+            var originalReaddirSync = fs.readdirSync;
+            var callCount = 0;
+            return sinon.stub(fs,"readdirSync",function(dir) {
+                var result = [];
+                if (callCount == 1) {
+                    result = originalReaddirSync(resourcesDir + "TestNodeModule" + path.sep + "node_modules");
+                }
+                callCount++;
+                return result;
+            });
+        })();
+        typeRegistry.init(settingsWithStorage);
+        typeRegistry.load("wontexist",true).then(function(){
+            var list = typeRegistry.getNodeList();
+            list.should.be.an.Array.and.be.empty;
+            
+            typeRegistry.addModule("TestNodeModule").then(function(node) {
+                list = typeRegistry.getNodeList();
+                list.should.be.an.Array.and.have.lengthOf(2);
+                list[0].should.have.property("id");
+                list[0].should.have.property("name","TestNodeModule:TestNodeMod1");
+                list[0].should.have.property("types",["test-node-mod-1"]);
+                list[0].should.have.property("enabled",true);
+                list[0].should.not.have.property("err");
+
+                list[1].should.have.property("id");
+                list[1].should.have.property("name","TestNodeModule:TestNodeMod2");
+                list[1].should.have.property("types",["test-node-mod-2"]);
+                list[1].should.have.property("enabled",true);
+                list[1].should.have.property("err");
+                
+                node.should.eql(list);
+                
+                done();
+            }).catch(function(e) {
+                done(e);
+            });
+            
+        }).catch(function(e) {
+            done(e);
+        }).finally(function() {
+            readdirSync.restore();
+            pathJoin.restore();
+        });
+    });
+    
+    
+    it('rejects adding duplicate node modules', function(done) {
+        var fs = require("fs");
+        var path = require("path");
+
+        var pathJoin = (function() {
+            var _join = path.join;
+            return sinon.stub(path,"join",function() {
+                if (arguments.length  == 3 && arguments[2] == "package.json") {
+                    return _join(resourcesDir,"TestNodeModule" + path.sep + "node_modules" + path.sep,arguments[1],arguments[2]);
+                }
+                if (arguments.length == 2 && arguments[1] == "TestNodeModule") {
+                    return _join(resourcesDir,"TestNodeModule" + path.sep + "node_modules" + path.sep,arguments[1]);
+                }
+                return _join.apply(this,arguments);
+            });
+        })();
+        
+        var readdirSync = (function() {
+            var originalReaddirSync = fs.readdirSync;
+            var callCount = 0;
+            return sinon.stub(fs,"readdirSync",function(dir) {
+                var result = [];
+                if (callCount == 1) {
+                    result = originalReaddirSync(resourcesDir + "TestNodeModule" + path.sep + "node_modules");
+                }
+                callCount++;
+                return result;
+            });
+        })();
+
+        typeRegistry.init(settingsWithStorage);
+        typeRegistry.load('wontexist',false).then(function(){
+            var list = typeRegistry.getNodeList();
+            list.should.be.an.Array.and.have.lengthOf(2);
+            typeRegistry.addModule("TestNodeModule").then(function(node) {
+                done(new Error("addModule resolved"));
+            }).otherwise(function(err) {
+                done();
+            });
+        }).catch(function(e) {
+            done(e);
+        }).finally(function() {
+            readdirSync.restore();
+            pathJoin.restore();
+        });
+    });
+    
+    
+    it('fails to add non-existent module name', function(done) {
+        typeRegistry.init(settingsWithStorage);
+        typeRegistry.load("wontexist",true).then(function(){
+            var list = typeRegistry.getNodeList();
+            list.should.be.an.Array.and.be.empty;
+            
+            typeRegistry.addModule("DoesNotExistModule").then(function(node) {
+                done(new Error("ENOENT not thrown"));
+            }).otherwise(function(e) {
+                e.code.should.eql("MODULE_NOT_FOUND");
+                done();
+            });
+            
+        }).catch(function(e) {
+            done(e);
+        });
+    });
+    
+    it('removes nodes from the registry by module', function(done) {
+        var fs = require("fs");
+        var path = require("path");
+
+        var pathJoin = (function() {
+            var _join = path.join;
+            return sinon.stub(path,"join",function() {
+                if (arguments.length  == 3 && arguments[2] == "package.json") {
+                    return _join(resourcesDir,"TestNodeModule" + path.sep + "node_modules" + path.sep,arguments[1],arguments[2]);
+                }
+                if (arguments.length == 2 && arguments[1] == "TestNodeModule") {
+                    return _join(resourcesDir,"TestNodeModule" + path.sep + "node_modules" + path.sep,arguments[1]);
+                }
+                return _join.apply(this,arguments);
+            });
+        })();
+        
+        var readdirSync = (function() {
+            var originalReaddirSync = fs.readdirSync;
+            var callCount = 0;
+            return sinon.stub(fs,"readdirSync",function(dir) {
+                var result = [];
+                if (callCount == 1) {
+                    result = originalReaddirSync(resourcesDir + "TestNodeModule" + path.sep + "node_modules");
+                }
+                callCount++;
+                return result;
+            });
+        })();
+
+        typeRegistry.init(settingsWithStorage);
+        typeRegistry.load('wontexist',false).then(function(){
+            var list = typeRegistry.getNodeList();
+            list.should.be.an.Array.and.have.lengthOf(2);
+            var res = typeRegistry.removeModule("TestNodeModule");
+            
+            res.should.be.an.Array.and.have.lengthOf(2);
+            res[0].should.have.a.property("id",list[0].id);
+            res[1].should.have.a.property("id",list[1].id);
+            
+            list = typeRegistry.getNodeList();
+            list.should.be.an.Array.and.be.empty;
+            
+            done();
+        }).catch(function(e) {
+            done(e);
+        }).finally(function() {
+            readdirSync.restore();
+            pathJoin.restore();
+        });
+            
+    });
+    
+    it('fails to remove non-existent module name', function(done) {
+        typeRegistry.init(settings);
+        typeRegistry.load("wontexist",true).then(function(){
+            var list = typeRegistry.getNodeList();
+            list.should.be.an.Array.and.be.empty;
+            
+            /*jshint immed: false */
+            (function() {
+                typeRegistry.removeModule("DoesNotExistModule");
+            }).should.throw();
+            
+            done();
+            
+        }).catch(function(e) {
+            done(e);
+        });
+    });
+    
+    
+    it('allows nodes to be enabled and disabled', function(done) {
+        typeRegistry.init(settingsWithStorage);
+        typeRegistry.load(resourcesDir+path.sep+"TestNode1",true).then(function() {
+            var list = typeRegistry.getNodeList();
+            list.should.be.an.Array.and.have.lengthOf(1);
+            list[0].should.have.property("id");
+            list[0].should.have.property("name","TestNode1.js");
+            list[0].should.have.property("enabled",true);
+            
+            var nodeConfig = typeRegistry.getNodeConfigs();
+            nodeConfig.length.should.be.greaterThan(0);
+            
+            var info = typeRegistry.disableNode(list[0].id);
+            info.should.have.property("id",list[0].id);
+            info.should.have.property("enabled",false);
+            
+            var list2 = typeRegistry.getNodeList();
+            list2.should.be.an.Array.and.have.lengthOf(1);
+            list2[0].should.have.property("enabled",false);
+            
+            typeRegistry.getNodeConfigs().length.should.equal(0);
+            
+            var info2 = typeRegistry.enableNode(list[0].id);
+            info2.should.have.property("id",list[0].id);
+            info2.should.have.property("enabled",true);
+            
+            var list3 = typeRegistry.getNodeList();
+            list3.should.be.an.Array.and.have.lengthOf(1);
+            list3[0].should.have.property("enabled",true);
+            
+            var nodeConfig2 = typeRegistry.getNodeConfigs();
+            nodeConfig2.should.eql(nodeConfig);
+
+            done();
+        }).catch(function(e) {
+            done(e);
+        });
+    });
+    
+    it('fails to enable/disable non-existent nodes', function(done) {
+        typeRegistry.init(settings);
+        typeRegistry.load("wontexist",true).then(function() {
+            var list = typeRegistry.getNodeList();
+            list.should.be.an.Array.and.be.empty;
+            
+            /*jshint immed: false */
+            (function() {
+                    typeRegistry.disableNode("123");
+            }).should.throw();
+            
+            /*jshint immed: false */
+            (function() {
+                typeRegistry.enableNode("123");
+            }).should.throw();
+            
+            done();
+        }).catch(function(e) {
+            done(e);
+        });
+    });
+});
diff --git a/dgbuilder/test/red/nodes/resources/DuplicateTestNode/TestNode1.html b/dgbuilder/test/red/nodes/resources/DuplicateTestNode/TestNode1.html
new file mode 100644
index 00000000..b637ede2
--- /dev/null
+++ b/dgbuilder/test/red/nodes/resources/DuplicateTestNode/TestNode1.html
@@ -0,0 +1,3 @@
+<script type="text/x-red" data-template-name="test-node-1"></script>
+<script type="text/x-red" data-help-name="test-node-1"></script>
+<script type="text/javascript">RED.nodes.registerType('test-node-1',{});</script>
diff --git a/dgbuilder/test/red/nodes/resources/DuplicateTestNode/TestNode1.js b/dgbuilder/test/red/nodes/resources/DuplicateTestNode/TestNode1.js
new file mode 100644
index 00000000..e8121416
--- /dev/null
+++ b/dgbuilder/test/red/nodes/resources/DuplicateTestNode/TestNode1.js
@@ -0,0 +1,5 @@
+// A test node that exports a function
+module.exports = function(RED) {
+    function DuplicateTestNode(n) {}
+    RED.nodes.registerType("test-node-1",DuplicateTestNode);
+}
diff --git a/dgbuilder/test/red/nodes/resources/MultipleNodes1/MultipleNodes1.html b/dgbuilder/test/red/nodes/resources/MultipleNodes1/MultipleNodes1.html
new file mode 100644
index 00000000..5359644e
--- /dev/null
+++ b/dgbuilder/test/red/nodes/resources/MultipleNodes1/MultipleNodes1.html
@@ -0,0 +1,6 @@
+<script type="text/x-red" data-template-name="test-node-multiple-1a"></script>
+<script type="text/x-red" data-help-name="test-node-multiple-1a"></script>
+<script type="text/javascript">RED.nodes.registerType('test-node-multiple-1a',{});</script>
+<script type="text/x-red" data-template-name="test-node-multiple-1b"></script>
+<script type="text/x-red" data-help-name="test-node-multiple-1b"></script>
+<script type="text/javascript">RED.nodes.registerType('test-node-multiple-1b',{});</script>
diff --git a/dgbuilder/test/red/nodes/resources/MultipleNodes1/MultipleNodes1.js b/dgbuilder/test/red/nodes/resources/MultipleNodes1/MultipleNodes1.js
new file mode 100644
index 00000000..55747c0b
--- /dev/null
+++ b/dgbuilder/test/red/nodes/resources/MultipleNodes1/MultipleNodes1.js
@@ -0,0 +1,7 @@
+// A test node that exports a function
+module.exports = function(RED) {
+    function TestNode1(n) {}
+    RED.nodes.registerType("test-node-multiple-1a",TestNode1);
+    function TestNode2(n) {}
+    RED.nodes.registerType("test-node-multiple-1b",TestNode2);
+}
diff --git a/dgbuilder/test/red/nodes/resources/NestedDirectoryNode/NestedNode/NestedNode.html b/dgbuilder/test/red/nodes/resources/NestedDirectoryNode/NestedNode/NestedNode.html
new file mode 100644
index 00000000..abc823e8
--- /dev/null
+++ b/dgbuilder/test/red/nodes/resources/NestedDirectoryNode/NestedNode/NestedNode.html
@@ -0,0 +1,4 @@
+<script type="text/x-red" data-template-name="nested-node-1"></script>
+<script type="text/x-red" data-help-name="nested-node-1"></script>
+<script type="text/javascript">RED.nodes.registerType('nested-node-1',{});</script>
+<style></style>
diff --git a/dgbuilder/test/red/nodes/resources/NestedDirectoryNode/NestedNode/NestedNode.js b/dgbuilder/test/red/nodes/resources/NestedDirectoryNode/NestedNode/NestedNode.js
new file mode 100644
index 00000000..cd3148a5
--- /dev/null
+++ b/dgbuilder/test/red/nodes/resources/NestedDirectoryNode/NestedNode/NestedNode.js
@@ -0,0 +1,5 @@
+// A test node that exports a function
+module.exports = function(RED) {
+    function TestNode(n) {}
+    RED.nodes.registerType("nested-node-1",TestNode);
+}
diff --git a/dgbuilder/test/red/nodes/resources/NestedDirectoryNode/NestedNode/icons/file.txt b/dgbuilder/test/red/nodes/resources/NestedDirectoryNode/NestedNode/icons/file.txt
new file mode 100644
index 00000000..59a29af1
--- /dev/null
+++ b/dgbuilder/test/red/nodes/resources/NestedDirectoryNode/NestedNode/icons/file.txt
@@ -0,0 +1,3 @@
+This file exists just to ensure the 'icons' directory is in the repository.
+TODO: a future test needs to ensure the right icon files are loaded - this
+      directory can be used for that
diff --git a/dgbuilder/test/red/nodes/resources/NestedDirectoryNode/NestedNode/lib/ShouldNotLoad.html b/dgbuilder/test/red/nodes/resources/NestedDirectoryNode/NestedNode/lib/ShouldNotLoad.html
new file mode 100644
index 00000000..ac9235d2
--- /dev/null
+++ b/dgbuilder/test/red/nodes/resources/NestedDirectoryNode/NestedNode/lib/ShouldNotLoad.html
@@ -0,0 +1,4 @@
+<script type="text/x-red" data-template-name="should-not-load-1"></script>
+<script type="text/x-red" data-help-name="should-not-load-1"></script>
+<script type="text/javascript">RED.nodes.registerType('should-not-load-1',{});</script>
+<style></style>
diff --git a/dgbuilder/test/red/nodes/resources/NestedDirectoryNode/NestedNode/lib/ShouldNotLoad.js b/dgbuilder/test/red/nodes/resources/NestedDirectoryNode/NestedNode/lib/ShouldNotLoad.js
new file mode 100644
index 00000000..8af249b1
--- /dev/null
+++ b/dgbuilder/test/red/nodes/resources/NestedDirectoryNode/NestedNode/lib/ShouldNotLoad.js
@@ -0,0 +1,5 @@
+// A test node that exports a function
+module.exports = function(RED) {
+    function TestNode(n) {}
+    RED.nodes.registerType("should-not-load-1",TestNode);
+}
diff --git a/dgbuilder/test/red/nodes/resources/NestedDirectoryNode/NestedNode/test/ShouldNotLoad.html b/dgbuilder/test/red/nodes/resources/NestedDirectoryNode/NestedNode/test/ShouldNotLoad.html
new file mode 100644
index 00000000..4212fd58
--- /dev/null
+++ b/dgbuilder/test/red/nodes/resources/NestedDirectoryNode/NestedNode/test/ShouldNotLoad.html
@@ -0,0 +1,4 @@
+<script type="text/x-red" data-template-name="should-not-load-3"></script>
+<script type="text/x-red" data-help-name="should-not-load-3"></script>
+<script type="text/javascript">RED.nodes.registerType('should-not-load-3',{});</script>
+<style></style>
diff --git a/dgbuilder/test/red/nodes/resources/NestedDirectoryNode/NestedNode/test/ShouldNotLoad.js b/dgbuilder/test/red/nodes/resources/NestedDirectoryNode/NestedNode/test/ShouldNotLoad.js
new file mode 100644
index 00000000..5856adad
--- /dev/null
+++ b/dgbuilder/test/red/nodes/resources/NestedDirectoryNode/NestedNode/test/ShouldNotLoad.js
@@ -0,0 +1,5 @@
+// A test node that exports a function
+module.exports = function(RED) {
+    function TestNode(n) {}
+    RED.nodes.registerType("should-not-load-3",TestNode);
+}
diff --git a/dgbuilder/test/red/nodes/resources/TestNode1/TestNode1.html b/dgbuilder/test/red/nodes/resources/TestNode1/TestNode1.html
new file mode 100644
index 00000000..97dbf171
--- /dev/null
+++ b/dgbuilder/test/red/nodes/resources/TestNode1/TestNode1.html
@@ -0,0 +1,5 @@
+<script type="text/x-red" data-template-name="test-node-1"></script>
+<script type="text/x-red" data-help-name="test-node-1"></script>
+<script type="text/javascript">RED.nodes.registerType('test-node-1',{});</script>
+<style></style>
+<p>this should be filtered out</p>
diff --git a/dgbuilder/test/red/nodes/resources/TestNode1/TestNode1.js b/dgbuilder/test/red/nodes/resources/TestNode1/TestNode1.js
new file mode 100644
index 00000000..bfa3b65b
--- /dev/null
+++ b/dgbuilder/test/red/nodes/resources/TestNode1/TestNode1.js
@@ -0,0 +1,5 @@
+// A test node that exports a function
+module.exports = function(RED) {
+    function TestNode(n) {}
+    RED.nodes.registerType("test-node-1",TestNode);
+}
diff --git a/dgbuilder/test/red/nodes/resources/TestNode2/TestNode2.html b/dgbuilder/test/red/nodes/resources/TestNode2/TestNode2.html
new file mode 100644
index 00000000..66b65909
--- /dev/null
+++ b/dgbuilder/test/red/nodes/resources/TestNode2/TestNode2.html
@@ -0,0 +1,4 @@
+<script type="text/x-red" data-template-name="test-node-2"></script>
+<script type="text/x-red" data-help-name="test-node-2"></script>
+<script type="text/javascript">RED.nodes.registerType('test-node-2',{});</script>
+<style></style>
diff --git a/dgbuilder/test/red/nodes/resources/TestNode2/TestNode2.js b/dgbuilder/test/red/nodes/resources/TestNode2/TestNode2.js
new file mode 100644
index 00000000..faf61a8f
--- /dev/null
+++ b/dgbuilder/test/red/nodes/resources/TestNode2/TestNode2.js
@@ -0,0 +1,10 @@
+// A test node that exports a function which returns a resolving promise
+
+var when = require("when");
+module.exports = function(RED) {
+    return when.promise(function(resolve,reject) {
+        function TestNode(n) {}
+        RED.nodes.registerType("test-node-2",TestNode);
+        resolve();
+    });
+}
diff --git a/dgbuilder/test/red/nodes/resources/TestNode3/TestNode3.html b/dgbuilder/test/red/nodes/resources/TestNode3/TestNode3.html
new file mode 100644
index 00000000..9a0f6f7e
--- /dev/null
+++ b/dgbuilder/test/red/nodes/resources/TestNode3/TestNode3.html
@@ -0,0 +1,3 @@
+<script type="text/x-red" data-template-name="test-node-3"></script>
+<script type="text/x-red" data-help-name="test-node-3"></script>
+<script type="text/javascript">RED.nodes.registerType('test-node-3',{});</script>
diff --git a/dgbuilder/test/red/nodes/resources/TestNode3/TestNode3.js b/dgbuilder/test/red/nodes/resources/TestNode3/TestNode3.js
new file mode 100644
index 00000000..756dc139
--- /dev/null
+++ b/dgbuilder/test/red/nodes/resources/TestNode3/TestNode3.js
@@ -0,0 +1,8 @@
+// A test node that exports a function which returns a rejecting promise
+
+var when = require("when");
+module.exports = function(RED) {
+    return when.promise(function(resolve,reject) {
+        reject("fail");
+    });
+}