[Fixed Position] Add unit tests

platform/features/layout/test/elements/UnitAccessorMutatorSpec.js

@@ -1,3 +1,25 @@
+/*****************************************************************************
+ * Open MCT, Copyright (c) 2014-2017, United States Government
+ * as represented by the Administrator of the National Aeronautics and Space
+ * Administration. All rights reserved.
+ *
+ * Open MCT 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 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.
+ *****************************************************************************/
+
 define(
     ['../../src/elements/UnitAccessorMutator'],
     function (UnitAccessorMutator) {
@@ -7,7 +29,10 @@ define(
         describe("An elementProxy.gridSize accessor-mutator", function () {
             var mockElementProxy,
                 testElement,
-                uAM;
+                mockLineProxy,
+                testLine,
+                uAM,
+                uAMLine;
 
             beforeEach(function () {
                 testElement = {
@@ -25,11 +50,33 @@ define(
                     getMinWidth: jasmine.createSpy('minWidth')
                 };
 
+                testLine = {
+                    x: 7,
+                    y: 8,
+                    x2: 9,
+                    y2: 10,
+                    width: 11,
+                    height: 12,
+                    useGrid: true
+                };
+
+                mockLineProxy = {
+                    element: testLine,
+                    gridSize: GRID_SIZE,
+                    getMinHeight: jasmine.createSpy('minHeight'),
+                    getMinWidth: jasmine.createSpy('minWidth')
+                };
+
+
+
                 uAM = new UnitAccessorMutator(mockElementProxy);
+                uAMLine = new UnitAccessorMutator(mockLineProxy);
 
                 mockElementProxy.getMinWidth.andReturn(1);
                 mockElementProxy.getMinHeight.andReturn(1);
 
+                mockLineProxy.getMinWidth.andReturn(1);
+                mockLineProxy.getMinHeight.andReturn(1);
             });
 
             it("allows access to useGrid", function () {
@@ -41,7 +88,7 @@ define(
                 expect(mockElementProxy.element.useGrid).toEqual(false);
             });
 
-            it("converts coordinates appropriately", function () {
+            it("converts coordinates appropriately for a box", function () {
                 uAM(false);
                 expect(mockElementProxy.element.x).toEqual(26);
                 expect(mockElementProxy.element.y).toEqual(51);
@@ -54,6 +101,23 @@ define(
                 expect(mockElementProxy.element.height).toEqual(5);
             });
 
+            it("converts coordinates appropriately for a line", function () {
+                uAMLine(false);
+                expect(mockLineProxy.element.x).toEqual(91);
+                expect(mockLineProxy.element.y).toEqual(136);
+                expect(mockLineProxy.element.x2).toEqual(117);
+                expect(mockLineProxy.element.y2).toEqual(170);
+                expect(mockLineProxy.element.width).toEqual(143);
+                expect(mockLineProxy.element.height).toEqual(204);
+                uAMLine(true);
+                expect(mockLineProxy.element.x).toEqual(7);
+                expect(mockLineProxy.element.y).toEqual(8);
+                expect(mockLineProxy.element.x2).toEqual(9);
+                expect(mockLineProxy.element.y2).toEqual(10);
+                expect(mockLineProxy.element.width).toEqual(11);
+                expect(mockLineProxy.element.height).toEqual(12);
+            });
+
             it("doesn't covert coordinates unecessarily", function () {
                 uAM(false);
                 expect(mockElementProxy.element.x).toEqual(26);
@@ -67,6 +131,27 @@ define(
                 expect(mockElementProxy.element.height).toEqual(85);
             });
 
+            it("snaps coordinates onto the grid", function () {
+                uAM(false);
+                mockElementProxy.element.x += 11;
+                mockElementProxy.element.y -= 27;
+                mockElementProxy.element.width -= 14;
+                mockElementProxy.element.height += 4;
+                uAM(true);
+                expect(mockElementProxy.element.x).toEqual(3);
+                expect(mockElementProxy.element.y).toEqual(1);
+                expect(mockElementProxy.element.width).toEqual(3);
+                expect(mockElementProxy.element.height).toEqual(5);
+            });
+
+            it("enforces a minimum height and width", function () {
+                uAM(false);
+                mockElementProxy.element.width = 4;
+                mockElementProxy.element.height = 4;
+                uAM(true);
+                expect(mockElementProxy.element.width).toEqual(1);
+                expect(mockElementProxy.element.height).toEqual(1);
+            });
         });
     }
 );