1 files changed, 18 insertions, 0 deletions
diff --git a/spec/lib/gitlab/ci/pipeline/chain/validate/external_spec.rb b/spec/lib/gitlab/ci/pipeline/chain/validate/external_spec.rb
index cf21c98dbd5..cebc4c02d11 100644
--- a/spec/lib/gitlab/ci/pipeline/chain/validate/external_spec.rb
+++ b/spec/lib/gitlab/ci/pipeline/chain/validate/external_spec.rb
@@ -24,6 +24,7 @@ RSpec.describe Gitlab::Ci::Pipeline::Chain::Validate::External do
     second_stage_job_name:
       stage: second_stage
       services:
+        -
         - postgres
       before_script:
         - echo 'first hello'
@@ -142,6 +143,23 @@ RSpec.describe Gitlab::Ci::Pipeline::Chain::Validate::External do
 
         perform!
       end
+
+      it 'returns expected payload' do
+        expect(::Gitlab::HTTP).to receive(:post) do |_url, params|
+          payload = Gitlab::Json.parse(params[:body])
+
+          builds = payload['builds']
+          expect(builds.count).to eq(2)
+          expect(builds[0]['services']).to be_nil
+          expect(builds[0]['stage']).to eq('first_stage')
+          expect(builds[0]['image']).to eq('hello_world')
+          expect(builds[1]['services']).to eq(['postgres'])
+          expect(builds[1]['stage']).to eq('second_stage')
+          expect(builds[1]['image']).to be_nil
+        end
+
+        perform!
+      end
     end
 
     context 'when EXTERNAL_VALIDATION_SERVICE_TOKEN is set' do