From ceb0e7eeb48b70b747d0cfbfd56027d86df0644a Mon Sep 17 00:00:00 2001
From: Giuseppe Digilio <giuseppe.digilio@4science.it>
Date: Wed, 3 Apr 2019 15:33:59 +0200
Subject: [PATCH] Fixed unexpected error exception during test

---
 src/app/core/shared/item.model.ts | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/app/core/shared/item.model.ts b/src/app/core/shared/item.model.ts
index 6cd5634fd0..c527fe0357 100644
--- a/src/app/core/shared/item.model.ts
+++ b/src/app/core/shared/item.model.ts
@@ -5,7 +5,7 @@ import { DSpaceObject } from './dspace-object.model';
 import { Collection } from './collection.model';
 import { RemoteData } from '../data/remote-data';
 import { Bitstream } from './bitstream.model';
-import { hasValue, isNotEmpty } from '../../shared/empty.util';
+import { hasValue, isNotEmpty, isNotUndefined } from '../../shared/empty.util';
 import { PaginatedList } from '../data/paginated-list';
 
 export class Item extends DSpaceObject {
@@ -90,7 +90,7 @@ export class Item extends DSpaceObject {
    */
   getBitstreamsByBundleName(bundleName: string): Observable<Bitstream[]> {
     return this.bitstreams.pipe(
-      filter((rd: RemoteData<PaginatedList<Bitstream>>) => !rd.isResponsePending),
+      filter((rd: RemoteData<PaginatedList<Bitstream>>) => !rd.isResponsePending && isNotUndefined(rd.payload)),
       map((rd: RemoteData<PaginatedList<Bitstream>>) => rd.payload.page),
       filter((bitstreams: Bitstream[]) => hasValue(bitstreams)),
       take(1),