[ADF- 4871][TaskHeaderCloudComponent] Add Candidate Users/Groups properties (#5189)

* [ADF-4871] [TaskHeaderCloudComponent] Add Candidate Users/Groups properties

* Added Candidate users/groups properties to the task heade cloud component.

* * Created CardViewArrayItemComponent
* Modified FullName pipe to return username or email incase fullname missing.
* Added candidate Users/Groups properties to the taskcloudheader component.
* Added two service into task-cloudservice
* Updated Demoshell card-view with new widget

* * Fixed failing unit test

* * Fixed comments.

* * Refactored CardViewArrayItem model
* Fixed comments.

* * Changed candidate group icon

lib/core/card-view/components/card-view-arrayitem/card-view-arrayitem.component.spec.ts

@@ -0,0 +1,107 @@
+/*!
+ * @license
+ * Copyright 2019 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 { ComponentFixture, TestBed } from '@angular/core/testing';
+import { of } from 'rxjs';
+import { setupTestBed } from '../../../testing/setupTestBed';
+import { CoreTestingModule } from '../../../testing/core.testing.module';
+import { CardViewArrayItemComponent } from './card-view-arrayitem.component';
+import { CardViewArrayItemModel } from '../../models/card-view-arrayitem.model';
+import { By } from '@angular/platform-browser';
+
+describe('CardViewArrayItemComponent', () => {
+    let component: CardViewArrayItemComponent;
+    let fixture: ComponentFixture<CardViewArrayItemComponent>;
+
+    const mockData = ['Zlatan', 'Lionel Messi', 'Mohamed', 'Ronaldo'];
+    const mockDefaultProps = {
+        label: 'Array of items',
+        value: of(mockData),
+        key: 'array',
+        icon: 'person'
+    };
+    setupTestBed({
+        imports: [CoreTestingModule]
+    });
+
+    afterEach(() => {
+        fixture.destroy();
+    });
+
+    beforeEach(() => {
+        fixture = TestBed.createComponent(CardViewArrayItemComponent);
+        component = fixture.componentInstance;
+        component.property = new CardViewArrayItemModel(mockDefaultProps);
+    });
+
+    it('should create CardViewArrayItemComponent', () => {
+        expect(component instanceof CardViewArrayItemComponent).toBeTruthy();
+    });
+
+    describe('Rendering', () => {
+        it('should render the label', () => {
+            fixture.detectChanges();
+
+            const labelValue = fixture.debugElement.query(By.css('.adf-property-label'));
+            expect(labelValue).not.toBeNull();
+            expect(labelValue.nativeElement.innerText).toBe('Array of items');
+        });
+
+        it('should render chip list', () => {
+            component.property = new CardViewArrayItemModel({
+                ...mockDefaultProps,
+                editable: true
+            });
+            fixture.detectChanges();
+
+            const chiplistContainer = fixture.debugElement.query(By.css('[data-automation-id="card-arrayitem-chip-list-container"]'));
+            const chip1 = fixture.nativeElement.querySelector('[data-automation-id="card-arrayitem-chip-Zlatan"] span');
+            const chip2 = fixture.nativeElement.querySelector('[data-automation-id="card-arrayitem-chip-Lionel Messi"] span');
+
+            expect(chiplistContainer).not.toBeNull();
+            expect(chip1.innerText).toEqual('Zlatan');
+            expect(chip2.innerText).toEqual('Lionel Messi');
+        });
+
+        it('should render all values if noOfItemsToDisplay is not defined', () => {
+            fixture.detectChanges();
+
+            const chiplistContainer = fixture.debugElement.query(By.css('[data-automation-id="card-arrayitem-chip-list-container"]'));
+            const moreElement = fixture.debugElement.query(By.css('[data-automation-id="card-arrayitem-more-chip"]'));
+            const chip = fixture.nativeElement.querySelectorAll('mat-chip');
+
+            expect(chiplistContainer).not.toBeNull();
+            expect(moreElement).toBeNull();
+            expect(chip.length).toBe(4);
+        });
+
+        it('should render only two values along with more item chip if noOfItemsToDisplay is set to 2', () => {
+            component.property = new CardViewArrayItemModel({
+                ...mockDefaultProps,
+                noOfItemsToDisplay: 2
+            });
+            fixture.detectChanges();
+
+            const chiplistContainer = fixture.debugElement.query(By.css('[data-automation-id="card-arrayitem-chip-list-container"]'));
+            const chip = fixture.debugElement.queryAll(By.css('mat-chip'));
+
+            expect(chiplistContainer).not.toBeNull();
+            expect(chip.length).toBe(3);
+            expect(chip[2].nativeElement.innerText).toBe('2 CORE.CARDVIEW.MORE');
+        });
+    });
+});