Merge branch 'fix/status-of-pipeline-without-builds' into 'master'

Improve pipeline status in case that pipeline has no jobs

## What does this MR do?

This MR resolves problem with pipeline status when there are no build in pipeline.

This can happen when builds were skipped - for example - by using `only`/`except` keyword in `.gitlab-ci.yml`.

## What are the relevant issue numbers?

Closes #17977

See merge request !4403

1 files changed, 13 insertions, 0 deletions

diff --git a/spec/models/ci/pipeline_spec.rb b/spec/models/ci/pipeline_spec.rb
index 0d769ed7324..34507cf5083 100644
--- a/spec/models/ci/pipeline_spec.rb
+++ b/spec/models/ci/pipeline_spec.rb
@@ -258,6 +258,19 @@ describe Ci::Pipeline, models: true do
         end
       end
     end
+
+    context 'when no builds created' do
+      let(:pipeline) { build(:ci_pipeline) }
+
+      before do
+        stub_ci_pipeline_yaml_file(YAML.dump(before_script: ['ls']))
+      end
+
+      it 'returns false' do
+        expect(pipeline.create_builds(nil)).to be_falsey
+        expect(pipeline).not_to be_persisted
+      end
+    end
   end
 
   describe "#finished_at" do