[About] Add tests for controllers

Add tests for controllers introduced to support a minimal
implementation of an About dialog, WTD-667.

platform/commonUI/about/test/AboutControllerSpec.js

@@ -0,0 +1,39 @@
+/*global define,Promise,describe,it,expect,beforeEach,waitsFor,jasmine*/
+
+define(
+    ['../src/AboutController'],
+    function (AboutController) {
+        "use strict";
+
+        describe("The About controller", function () {
+            var testVersions,
+                mockWindow,
+                controller;
+
+            beforeEach(function () {
+                testVersions = [
+                    { name: "Some name", value: "1.2.3" },
+                    { name: "Some other name", value: "3.2.1" }
+                ];
+                mockWindow = jasmine.createSpyObj("$window", ["open"]);
+                controller = new AboutController(testVersions, mockWindow);
+            });
+
+            it("exposes version information", function () {
+                // This will be injected, so it should just give back
+                // what it got in.
+                expect(controller.versions()).toEqual(testVersions);
+            });
+
+            it("opens license information in a window", function () {
+                //Verify precondition
+                expect(mockWindow.open).not.toHaveBeenCalled();
+                controller.openLicenses();
+                expect(mockWindow.open).toHaveBeenCalledWith("#/licenses");
+            });
+
+
+        });
+
+    }
+);