[ADF-3275] Select CardView item (#3530)

* Select card view item

* package json fix

* package json fix

* console.log removed

* Usage of generic

lib/core/card-view/models/card-view-selectitem.model.spec.ts

@@ -0,0 +1,46 @@
+/*!
+ * @license
+ * Copyright 2016 Alfresco Software, Ltd.
+ *
+ * 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.
+ */
+
+import { async } from '@angular/core/testing';
+import { CardViewSelectItemModel } from './card-view-selectitem.model';
+import { CardViewSelectItemProperties } from '../interfaces/card-view.interfaces';
+import { of } from 'rxjs/observable/of';
+
+describe('CardViewSelectItemModel', () => {
+    let properties: CardViewSelectItemProperties;
+    const mockData = [{ key: 'one', label: 'One' }, { key: 'two', label: 'Two' }, { key: 'three', label: 'Three' }];
+
+    beforeEach(() => {
+        properties = {
+            label: 'Select box label',
+            value: 'two',
+            options$: of(mockData),
+            key: 'key',
+            editable: true
+        };
+    });
+
+    describe('displayValue', () => {
+        it('should return the value if it is present', async(() => {
+            const itemModel = new CardViewSelectItemModel(properties);
+
+            itemModel.displayValue.subscribe(value => {
+                expect(value).toBe(mockData[1].label);
+            });
+        }));
+    });
+});