1 files changed, 32 insertions, 0 deletions
diff --git a/spec/controllers/projects/pipelines_controller_spec.rb b/spec/controllers/projects/pipelines_controller_spec.rb
index 774971e992d..1354e894872 100644
--- a/spec/controllers/projects/pipelines_controller_spec.rb
+++ b/spec/controllers/projects/pipelines_controller_spec.rb
@@ -1292,6 +1292,38 @@ RSpec.describe Projects::PipelinesController do
       end
     end
 
+    context 'when project uses external project ci config' do
+      let(:other_project) { create(:project) }
+      let(:sha) { 'master' }
+      let(:service) { ::Ci::ListConfigVariablesService.new(other_project, user) }
+
+      let(:ci_config) do
+        {
+          variables: {
+            KEY1: { value: 'val 1', description: 'description 1' }
+          },
+          test: {
+            stage: 'test',
+            script: 'echo'
+          }
+        }
+      end
+
+      before do
+        project.update!(ci_config_path: ".gitlab-ci.yml@#{other_project.full_path}")
+        synchronous_reactive_cache(service)
+      end
+
+      it 'returns other project config variables' do
+        expect(::Ci::ListConfigVariablesService).to receive(:new).with(other_project, anything).and_return(service)
+
+        get_config_variables
+
+        expect(response).to have_gitlab_http_status(:ok)
+        expect(json_response['KEY1']).to eq({ 'value' => 'val 1', 'description' => 'description 1' })
+      end
+    end
+
     private
 
     def stub_gitlab_ci_yml_for_sha(sha, result)