[Core] Add spec for 'topic' service

Add spec for a 'topic' service which will provide
the ability for messaging within a local instance
of an application. WTD-1329.

platform/core/test/services/ThrottleSpec.js

@@ -1,3 +1,24 @@
+/*****************************************************************************
+ * Open MCT Web, Copyright (c) 2014-2015, United States Government
+ * as represented by the Administrator of the National Aeronautics and Space
+ * Administration. All rights reserved.
+ *
+ * Open MCT Web is 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.
+ *
+ * Open MCT Web includes source code licensed under additional open source
+ * licenses. See the Open Source Licenses file (LICENSES.md) included with
+ * this source code distribution or the Licensing information page available
+ * at runtime from the About dialog for additional information.
+ *****************************************************************************/
 /*global define,Promise,describe,it,expect,beforeEach,waitsFor,jasmine*/
 
 define(

platform/core/test/services/TopicSpec.js

@@ -0,0 +1,70 @@
+/*****************************************************************************
+ * Open MCT Web, Copyright (c) 2014-2015, United States Government
+ * as represented by the Administrator of the National Aeronautics and Space
+ * Administration. All rights reserved.
+ *
+ * Open MCT Web is 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.
+ *
+ * Open MCT Web includes source code licensed under additional open source
+ * licenses. See the Open Source Licenses file (LICENSES.md) included with
+ * this source code distribution or the Licensing information page available
+ * at runtime from the About dialog for additional information.
+ *****************************************************************************/
+/*global define,Promise,describe,it,expect,beforeEach,waitsFor,jasmine*/
+
+define(
+    ["../../src/services/Topic"],
+    function (Topic) {
+        "use strict";
+
+        describe("The 'topic' service", function () {
+            var topic,
+                testMessage,
+                mockCallback;
+
+            beforeEach(function () {
+                testMessage = { someKey: "some value"};
+                mockCallback = jasmine.createSpy('callback');
+                topic = new Topic();
+            });
+
+            it("notifies listeners on a topic", function () {
+                topic("abc").listen(mockCallback);
+                topic("abc").notify(testMessage);
+                expect(mockCallback).toHaveBeenCalledWith(testMessage);
+            });
+
+            it("does not notify listeners across topics", function () {
+                topic("abc").listen(mockCallback);
+                topic("xyz").notify(testMessage);
+                expect(mockCallback).not.toHaveBeenCalledWith(testMessage);
+            });
+
+            it("does not notify listeners after unlistening", function () {
+                topic("abc").listen(mockCallback)(); // Unlisten immediately
+                topic("abc").notify(testMessage);
+                expect(mockCallback).not.toHaveBeenCalledWith(testMessage);
+            });
+
+            it("provides anonymous private topics", function () {
+                var t1 = topic(), t2 = topic();
+
+                t1.listen(mockCallback);
+                t2.notify(testMessage);
+                expect(mockCallback).not.toHaveBeenCalledWith(testMessage);
+                t1.notify(testMessage);
+                expect(mockCallback).toHaveBeenCalledWith(testMessage);
+            });
+
+        });
+    }
+);

platform/core/test/suite.json

@@ -25,6 +25,7 @@
 
     "services/Now",
     "services/Throttle",
+    "services/Topic",
 
     "types/MergeModels",
     "types/TypeCapability",
@@ -35,4 +36,4 @@
 
     "views/ViewCapability",
     "views/ViewProvider"
-]
+]