1 files changed, 28 insertions, 0 deletions
diff --git a/spec/controllers/projects/merge_requests_controller_spec.rb b/spec/controllers/projects/merge_requests_controller_spec.rb
index 75e6b6f45a7..c54e83339a1 100644
--- a/spec/controllers/projects/merge_requests_controller_spec.rb
+++ b/spec/controllers/projects/merge_requests_controller_spec.rb
@@ -157,6 +157,34 @@ describe Projects::MergeRequestsController do
     end
   end
 
+  describe 'PUT #update' do
+    context 'there is no source project' do
+      let(:project)       { create(:project) }
+      let(:fork_project)  { create(:forked_project_with_submodules) }
+      let(:merge_request) { create(:merge_request, source_project: fork_project, source_branch: 'add-submodule-version-bump', target_branch: 'master', target_project: project) }
+
+      before do
+        fork_project.build_forked_project_link(forked_to_project_id: fork_project.id, forked_from_project_id: project.id)
+        fork_project.save
+        merge_request.reload
+        fork_project.destroy
+      end
+
+      it 'closes MR without errors' do
+        post :update,
+            namespace_id: project.namespace.path,
+            project_id: project.path,
+            id: merge_request.iid,
+            merge_request: {
+              state_event: 'close'
+            }
+
+        expect(response).to redirect_to([merge_request.target_project.namespace.becomes(Namespace), merge_request.target_project, merge_request])
+        expect(merge_request.reload.closed?).to be_truthy
+      end
+    end
+  end
+
   describe "DELETE #destroy" do
     it "denies access to users unless they're admin or project owner" do
       delete :destroy, namespace_id: project.namespace.path, project_id: project.path, id: merge_request.iid