Add feature-flag support

Returns error in MergeToRefService when
merge_to_tmp_merge_ref_path ff is disabled.

1 files changed, 9 insertions, 0 deletions

diff --git a/spec/services/merge_requests/merge_to_ref_service_spec.rb b/spec/services/merge_requests/merge_to_ref_service_spec.rb
index 696f1b83157..96f2fde7117 100644
--- a/spec/services/merge_requests/merge_to_ref_service_spec.rb
+++ b/spec/services/merge_requests/merge_to_ref_service_spec.rb
@@ -74,6 +74,15 @@ describe MergeRequests::MergeToRefService do
       process_merge_to_ref
     end
 
+    it 'returns error when feature is disabled' do
+      stub_feature_flags(merge_to_tmp_merge_ref_path: false)
+
+      result = service.execute(merge_request)
+
+      expect(result[:status]).to eq(:error)
+      expect(result[:message]).to eq('Feature is not enabled')
+    end
+
     it 'returns an error when the failing to process the merge' do
       allow(project.repository).to receive(:merge_to_ref).and_return(nil)