[AAE-534] Core - add search cloud component (#5193)

* [AAE-534] - add search cloud component

* change doc file

* more changes on doc file

* remove empty scss file

* add animation and more customizations

* add preselect value property

* fix unit tests

lib/core/search-cloud/search-cloud.component.spec.ts

@@ -0,0 +1,61 @@
+/*!
+ * @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, async } from '@angular/core/testing';
+import { setupTestBed } from 'core';
+import { CoreTestingModule } from '../testing/core.testing.module';
+import { SearchCloudComponent } from './search-cloud.component';
+import { SearchCloudTypesEnum } from '../models/search-cloud.model';
+
+describe('SearchCloudComponent', () => {
+
+    let fixture: ComponentFixture<SearchCloudComponent>;
+    let component: SearchCloudComponent;
+
+    setupTestBed({
+        imports: [CoreTestingModule]
+    });
+
+    beforeEach(() => {
+        fixture = TestBed.createComponent(SearchCloudComponent);
+        component = fixture.componentInstance;
+    });
+
+    afterEach(() => {
+        fixture.destroy();
+    });
+
+    it('should emit search text when is field is changed', async(() => {
+        spyOn(component.change, 'emit');
+        component.type = SearchCloudTypesEnum.text;
+        component.ngOnInit();
+        fixture.detectChanges();
+
+        fixture.whenStable().then(() => {
+            fixture.detectChanges();
+            const searchInput = fixture.nativeElement.querySelector('.adf-search-text-cloud input');
+            searchInput.value = 'mock-search-text';
+            searchInput.dispatchEvent(new Event('input'));
+            fixture.detectChanges();
+        });
+
+        component.change.subscribe( emitValue => {
+            expect(emitValue).toBe('mock-search-text');
+        });
+    }));
+
+});