56434: EntityTypeSwitcherComponent test

src/app/shared/entities/switcher/entity-type-switcher.component.spec.ts

+import { EntityTypeSwitcherComponent } from './entity-type-switcher.component';
+import { async, ComponentFixture, TestBed } from '@angular/core/testing';
+import { NO_ERRORS_SCHEMA } from '@angular/core';
+import { Observable } from 'rxjs/Observable';
+import { PageInfo } from '../../../core/shared/page-info.model';
+import { Item } from '../../../core/shared/item.model';
+import { PaginatedList } from '../../../core/data/paginated-list';
+import { RemoteData } from '../../../core/data/remote-data';
+import * as decorator from '../entity-type-decorator';
+import { ElementViewMode } from '../../view-mode';
+import { getComponentByEntityType } from '../entity-type-decorator';
+
+const relationType = 'type';
+const mockItem: Item = Object.assign(new Item(), {
+  bitstreams: Observable.of(new RemoteData(false, false, true, null, new PaginatedList(new PageInfo(), []))),
+  metadata: [
+    {
+      key: 'dc.title',
+      language: 'en_US',
+      value: 'test item'
+    },
+    {
+      key: 'relationship.type',
+      language: 'en_US',
+      value: relationType
+    }]
+});
+const viewMode = ElementViewMode.Full;
+
+describe('EntityTypeSwitcherComponent', () => {
+  let comp: EntityTypeSwitcherComponent;
+  let fixture: ComponentFixture<EntityTypeSwitcherComponent>;
+
+  beforeEach(async(() => {
+    TestBed.configureTestingModule({
+      declarations: [ EntityTypeSwitcherComponent ],
+      schemas: [ NO_ERRORS_SCHEMA ]
+    }).compileComponents();  // compile template and css
+  }));
+
+  beforeEach(async(() => {
+    fixture = TestBed.createComponent(EntityTypeSwitcherComponent);
+    comp = fixture.componentInstance;
+    comp.object = mockItem;
+    comp.viewMode = viewMode;
+    spyOn(decorator, 'getComponentByEntityType').and.returnValue('component');
+  }));
+
+  describe('when calling getComponent', () => {
+    beforeEach(() => {
+      comp.getComponent();
+    });
+
+    it('should call getComponentByEntityType with parameters type and viewMode', () => {
+      expect(decorator.getComponentByEntityType).toHaveBeenCalledWith(relationType, viewMode);
+    });
+  });
+
+});