[Tree] Add spec for mct-tree

platform/commonUI/general/test/directives/MCTTreeSpec.js

@@ -0,0 +1,92 @@
+/*****************************************************************************
+ * 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,describe,beforeEach,jasmine,it,expect*/
+
+define([
+    '../../src/directives/MCTTree'
+], function (MCTTree) {
+    describe("The mct-tree directive", function () {
+        var mockParse,
+            mockGestureService,
+            mockExpr,
+            mctTree;
+
+        beforeEach(function () {
+            mockGestureService = jasmine.createSpyObj(
+                'gestureService',
+                [ 'attachGestures' ]
+            );
+            mockParse = jasmine.createSpy('$parse');
+            mockExpr = jasmine.createSpy('expr');
+            mockExpr.assign = jasmine.createSpy('assign');
+            mockParse.andReturn(mockExpr);
+
+            mctTree = new MCTTree(mockParse, mockGestureService);
+        });
+
+        it("is applicable as an element", function () {
+            expect(mctTree.restrict).toEqual("E");
+        });
+
+        it("two-way binds to mctObject", function () {
+            expect(mctTree.scope).toEqual({ mctObject: "=" });
+        });
+
+        describe("link", function () {
+            var mockScope,
+                mockElement,
+                testAttrs;
+
+            beforeEach(function () {
+                mockScope = jasmine.createSpyObj('$scope', ['$watch', '$on']);
+                mockElement = jasmine.createSpyObj('element', ['append']);
+                testAttrs = { mctModel: "some-expression" };
+                mockScope.$parent =
+                    jasmine.createSpyObj('$scope', ['$watch', '$on']);
+                mctTree.link(mockScope, mockElement, testAttrs);
+            });
+
+            it("populates the mct-tree element", function () {
+                expect(mockElement.append).toHaveBeenCalled();
+            });
+
+            it("watches for mct-model's expression in the parent", function () {
+                expect(mockScope.$parent.$watch).toHaveBeenCalledWith(
+                    testAttrs.mctModel,
+                    jasmine.any(Function)
+                );
+            });
+
+            it("watches for changes to mct-object", function () {
+                expect(mockScope.$watch).toHaveBeenCalledWith("mctObject");
+            });
+
+            it("listens for the $destroy event", function () {
+                expect(mockScope.$on).toHaveBeenCalledWith(
+                    "$destroy",
+                    jasmine.any(Function)
+                );
+            });
+        });
+    });
+
+});