1 files changed, 80 insertions, 0 deletions
diff --git a/spec/controllers/projects/pipelines_controller_spec.rb b/spec/controllers/projects/pipelines_controller_spec.rb
index c3be7de25a8..0720124ea57 100644
--- a/spec/controllers/projects/pipelines_controller_spec.rb
+++ b/spec/controllers/projects/pipelines_controller_spec.rb
@@ -1148,4 +1148,84 @@ RSpec.describe Projects::PipelinesController do
                        }
     end
   end
+
+  describe 'GET config_variables.json' do
+    let(:result) { YAML.dump(ci_config) }
+
+    before do
+      stub_gitlab_ci_yml_for_sha(sha, result)
+    end
+
+    context 'when sending a valid sha' do
+      let(:sha) { 'master' }
+      let(:ci_config) do
+        {
+          variables: {
+            KEY1: { value: 'val 1', description: 'description 1' }
+          },
+          test: {
+            stage: 'test',
+            script: 'echo'
+          }
+        }
+      end
+
+      it 'returns variable list' do
+        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
+
+    context 'when sending an invalid sha' do
+      let(:sha) { 'invalid-sha' }
+      let(:ci_config) { nil }
+
+      it 'returns empty json' do
+        get_config_variables
+
+        expect(response).to have_gitlab_http_status(:ok)
+        expect(json_response).to eq({})
+      end
+    end
+
+    context 'when sending an invalid config' do
+      let(:sha) { 'master' }
+      let(:ci_config) do
+        {
+          variables: {
+            KEY1: { value: 'val 1', description: 'description 1' }
+          },
+          test: {
+            stage: 'invalid',
+            script: 'echo'
+          }
+        }
+      end
+
+      it 'returns empty result' do
+        get_config_variables
+
+        expect(response).to have_gitlab_http_status(:ok)
+        expect(json_response).to eq({})
+      end
+    end
+
+    private
+
+    def stub_gitlab_ci_yml_for_sha(sha, result)
+      allow_any_instance_of(Repository)
+          .to receive(:gitlab_ci_yml_for)
+          .with(sha, '.gitlab-ci.yml')
+          .and_return(result)
+    end
+
+    def get_config_variables
+      get :config_variables, params: { namespace_id: project.namespace,
+                                       project_id: project,
+                                       sha: sha },
+                             format: :json
+    end
+  end
 end