[DURACOM-288] Additional test for thumbnail component

src/app/thumbnail/thumbnail.component.spec.ts

@@ -1,4 +1,4 @@
-import { DebugElement, Pipe, PipeTransform } from '@angular/core';
+import { DebugElement, Pipe, PipeTransform, PLATFORM_ID } from '@angular/core';
 import { ComponentFixture, TestBed, waitForAsync } from '@angular/core/testing';
 import { By } from '@angular/platform-browser';
 import { Bitstream } from '../core/shared/bitstream.model';
@@ -12,6 +12,9 @@ import { AuthService } from '../core/auth/auth.service';
 import { FileService } from '../core/shared/file.service';
 import { VarDirective } from '../shared/utils/var.directive';
 import { AuthorizationDataService } from '../core/data/feature-authorization/authorization-data.service';
+import { TranslateModule } from '@ngx-translate/core';
+import { ThemeService } from '../shared/theme-support/theme.service';
+import { getMockThemeService } from '../shared/mocks/theme-service.mock';
 
 // eslint-disable-next-line @angular-eslint/pipe-prefix
 @Pipe({ name: 'translate' })
@@ -31,7 +34,9 @@ describe('ThumbnailComponent', () => {
   let authService;
   let authorizationService;
   let fileService;
+  let spy;
 
+  describe('when platform is browser', () => {
     beforeEach(waitForAsync(() => {
       authService = jasmine.createSpyObj('AuthService', {
         isAuthenticated: observableOf(true),
@@ -49,7 +54,8 @@ describe('ThumbnailComponent', () => {
         providers: [
           { provide: AuthService, useValue: authService },
           { provide: AuthorizationDataService, useValue: authorizationService },
-        { provide: FileService, useValue: fileService }
+          { provide: FileService, useValue: fileService },
+          { provide: PLATFORM_ID, useValue: 'browser' },
       ]
     }).compileComponents();
     }));
@@ -333,3 +339,59 @@ describe('ThumbnailComponent', () => {
       });
     });
   });
+
+  describe('when platform is server', () => {
+    beforeEach(waitForAsync(() => {
+
+      authService = jasmine.createSpyObj('AuthService', {
+        isAuthenticated: observableOf(true),
+      });
+      authorizationService = jasmine.createSpyObj('AuthorizationService', {
+        isAuthorized: observableOf(true),
+      });
+      fileService = jasmine.createSpyObj('FileService', {
+        retrieveFileDownloadLink: null,
+      });
+      fileService.retrieveFileDownloadLink.and.callFake((url) => observableOf(`${url}?authentication-token=fake`));
+
+      TestBed.configureTestingModule({
+        imports: [
+          TranslateModule.forRoot(),
+          ThumbnailComponent,
+          SafeUrlPipe,
+          MockTranslatePipe,
+          VarDirective,
+        ],
+        providers: [
+          { provide: AuthService, useValue: authService },
+          { provide: AuthorizationDataService, useValue: authorizationService },
+          { provide: FileService, useValue: fileService },
+          { provide: ThemeService, useValue: getMockThemeService() },
+          { provide: PLATFORM_ID, useValue: 'server' },
+        ],
+      }).compileComponents();
+    }));
+
+    beforeEach(() => {
+      fixture = TestBed.createComponent(ThumbnailComponent);
+      spyOn(fixture.componentInstance, 'setSrc').and.callThrough();
+      fixture.detectChanges();
+
+      authService = TestBed.inject(AuthService);
+
+      comp = fixture.componentInstance; // ThumbnailComponent test instance
+      de = fixture.debugElement.query(By.css('div.thumbnail'));
+      el = de.nativeElement;
+    });
+
+    it('should start out with isLoading$ true', () => {
+      expect(comp.isLoading).toBeTrue();
+      expect(de.query(By.css('ds-loading'))).toBeTruthy();
+    });
+
+    it('should not call setSrc', () => {
+      expect(comp.setSrc).not.toHaveBeenCalled();
+    });
+
+  });
+});