Add spec for both upload and download batch operations on secondary node

app/controllers/projects/lfs_api_controller.rb

@@ -96,7 +96,7 @@ class Projects::LfsApiController < Projects::GitHttpClientController
     if upload_request? && Gitlab::Geo.secondary?
       render(
         json: {
-          message: 'You cannot do writing operations on a secondary GitLab Geo instance'
+          message: 'You cannot do writing operations on a secondary GitLab Geo instance.'
         },
         content_type: "application/vnd.git-lfs+json",
         status: 403

spec/requests/lfs_http_spec.rb

@@ -860,6 +860,39 @@ describe 'Git LFS API and storage' do
     end
   end
 
+  describe 'when handling lfs batch request on a secondary Geo node' do
+    let(:authorization) { authorize_user }
+    let(:project) { create(:project) }
+    let(:path) { "#{project.http_url_to_repo}/info/lfs/objects/batch" }
+    let(:body) do
+      {
+        'objects' => [
+          { 'oid' => sample_oid,
+            'size' => sample_size }
+        ]
+      }
+    end
+
+    before do
+      allow(Gitlab::Geo).to receive(:secondary?) { true }
+      project.team << [user, :master]
+      enable_lfs
+    end
+
+    it 'responds with a 200 message on download' do
+      post_lfs_json path, body.merge('operation' => 'download'), headers
+
+      expect(response).to have_http_status(200)
+    end
+
+    it 'responds with a 403 message on upload' do
+      post_lfs_json path, body.merge('operation' => 'upload'), headers
+
+      expect(response).to have_http_status(403)
+      expect(json_response).to include('message' => 'You cannot do writing operations on a secondary GitLab Geo instance.')
+    end
+  end
+
   describe 'when pushing a lfs object' do
     before do
       enable_lfs