56946: Added tests for toPaginatedList in remote-data-build service

src/app/core/cache/builders/remote-data-build.service.spec.ts

+import { RemoteDataBuildService } from './remote-data-build.service';
+import { Item } from '../../shared/item.model';
+import { PaginatedList } from '../../data/paginated-list';
+import { PageInfo } from '../../shared/page-info.model';
+import { RemoteData } from '../../data/remote-data';
+import { Observable } from 'rxjs/Observable';
+
+const pageInfo = new PageInfo();
+const array = [
+  Object.assign(new Item(), {
+    metadata: [
+      {
+        key: 'dc.title',
+        language: 'en_US',
+        value: 'Item nr 1'
+      }]
+  }),
+  Object.assign(new Item(), {
+    metadata: [
+      {
+        key: 'dc.title',
+        language: 'en_US',
+        value: 'Item nr 2'
+      }]
+  })
+];
+const paginatedList = new PaginatedList(pageInfo, array);
+const arrayRD = new RemoteData(false, false, true, undefined, array);
+const paginatedListRD = new RemoteData(false, false, true, undefined, paginatedList);
+
+describe('RemoteDataBuildService', () => {
+  let service: RemoteDataBuildService;
+
+  beforeEach(() => {
+    service = new RemoteDataBuildService(undefined, undefined, undefined);
+  });
+
+  describe('when toPaginatedList is called', () => {
+    let expected: RemoteData<PaginatedList<Item>>;
+
+    beforeEach(() => {
+      expected = paginatedListRD;
+    });
+
+    it('should return the correct remoteData of a paginatedList when the input is a (remoteData of an) array', () => {
+      const result = (service as any).toPaginatedList(Observable.of(arrayRD), pageInfo);
+      result.subscribe((resultRD) => {
+        expect(resultRD).toEqual(expected);
+      });
+    });
+
+    it('should return the correct remoteData of a paginatedList when the input is a (remoteData of a) paginated list', () => {
+      const result = (service as any).toPaginatedList(Observable.of(paginatedListRD), pageInfo);
+      result.subscribe((resultRD) => {
+        expect(resultRD).toEqual(expected);
+      });
+    });
+  });
+});

src/app/core/cache/builders/remote-data-build.service.ts

@@ -8,8 +8,6 @@ import { RemoteDataError } from '../../data/remote-data-error';
 import { GetRequest } from '../../data/request.models';
 import { RequestEntry } from '../../data/request.reducer';
 import { RequestService } from '../../data/request.service';
-import { Bitstream } from '../../shared/bitstream.model';
-import { Item } from '../../shared/item.model';
 
 import { NormalizedObject } from '../models/normalized-object.model';
 import { ObjectCacheService } from '../object-cache.service';