import uuid
 
 from rest_framework import status
-from django.http import FileResponse, StreamingHttpResponse
+from django.http import StreamingHttpResponse
 from catalog.pub.config.config import CATALOG_ROOT_PATH
 from catalog.pub.database.models import VnfPackageModel
 from catalog.pub.exceptions import CatalogException
         f.seek(start, 0)
         fs = f.read(end - start + 1)
         response = StreamingHttpResponse(fs, status=status.HTTP_200_OK)
-        response['Content-Type'] = 'application/octet-stream'
         response['Content-Range'] = file_range
     else:
-        response = FileResponse(open(file_path, 'rb'), status=status.HTTP_200_OK)
+        response = StreamingHttpResponse(open(file_path, 'rb'), status=status.HTTP_200_OK)
+    response['Content-Type'] = 'application/octet-stream'
     response['Content-Disposition'] = 'attachment; filename=%s' % file_name.encode('utf-8')
     return response
 
         self.assertEqual(response.data, None)
 
     def test_fetch_vnf_pkg(self):
-        pass
+        with open("vnfPackage.csar", "wb") as fp:
+            fp.writelines("AAAABBBBCCCCDDDD")
+        VnfPackageModel.objects.create(
+            vnfPackageId="222",
+            onboardingState="ONBOARDED",
+            localFilePath="vnfPackage.csar"
+        )
+        response = self.client.get("/api/vnfpkgm/v1/vnf_packages/222/package_content")
+        partial_file_content = ''
+        for data in response.streaming_content:
+            partial_file_content = partial_file_content + data
+        self.assertEqual(response.status_code, status.HTTP_200_OK)
+        self.assertEqual('AAAABBBBCCCCDDDD', partial_file_content)
+        os.remove("vnfPackage.csar")
 
     def test_fetch_partical_vnf_pkg(self):
         with open("vnfPackage.csar", "wb") as fp: