[Forms] Complete specs

Fill in new specs and amend existing specs to ensure
full coverage after integration of forms component,
and associated changes. WTD-593.

platform/commonUI/browse/test/creation/LocatorControllerSpec.js

@@ -9,6 +9,64 @@ define(
         "use strict";
 
         describe("The locator controller", function () {
+            var mockScope,
+                mockDomainObject,
+                mockRootObject,
+                mockContext,
+                controller;
+
+            beforeEach(function () {
+                mockScope = jasmine.createSpyObj(
+                    "$scope",
+                    [ "$watch" ]
+                );
+                mockDomainObject = jasmine.createSpyObj(
+                    "domainObject",
+                    [ "getCapability" ]
+                );
+                mockRootObject = jasmine.createSpyObj(
+                    "rootObject",
+                    [ "getCapability" ]
+                );
+                mockContext = jasmine.createSpyObj(
+                    "context",
+                    [ "getRoot" ]
+                );
+
+                mockDomainObject.getCapability.andReturn(mockContext);
+                mockContext.getRoot.andReturn(mockRootObject);
+
+                mockScope.ngModel = {};
+                mockScope.field = "someField";
+
+                controller = new LocatorController(mockScope);
+            });
+
+            it("adds a treeModel to scope", function () {
+                expect(mockScope.treeModel).toBeDefined();
+            });
+
+            it("watches for changes to treeModel", function () {
+                // This is what the embedded tree representation
+                // will be modifying.
+                expect(mockScope.$watch).toHaveBeenCalledWith(
+                    "treeModel.selectedObject",
+                    jasmine.any(Function)
+                );
+            });
+
+            it("changes its own model on embedded model updates", function () {
+                // Need to pass on selection changes as updates to
+                // the control's value
+                mockScope.$watch.mostRecentCall.args[1](mockDomainObject);
+                expect(mockScope.ngModel.someField).toEqual(mockDomainObject);
+                expect(mockScope.rootObject).toEqual(mockRootObject);
+
+                // Verify that the capability we expect to have been used
+                // was used.
+                expect(mockDomainObject.getCapability)
+                    .toHaveBeenCalledWith("context");
+            });
 
         });
     }