Destroy pipeline in service

Move all logic for destroying a Pipeline into a service so it's easily
reusable.

1 files changed, 66 insertions, 0 deletions

diff --git a/spec/services/ci/destroy_pipeline_service_spec.rb b/spec/services/ci/destroy_pipeline_service_spec.rb
new file mode 100644
index 00000000000..9f449dd73e8
--- /dev/null
+++ b/spec/services/ci/destroy_pipeline_service_spec.rb
@@ -0,0 +1,66 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe ::Ci::DestroyPipelineService do
+  let(:project) { create(:project) }
+  let!(:pipeline) { create(:ci_pipeline, project: project) }
+
+  subject { described_class.new(project, user).execute(pipeline) }
+
+  context 'user is owner' do
+    let(:user) { project.owner }
+
+    it 'destroys the pipeline' do
+      subject
+
+      expect { pipeline.reload }.to raise_error(ActiveRecord::RecordNotFound)
+    end
+
+    it 'logs an audit event' do
+      expect { subject }.to change { SecurityEvent.count }.by(1)
+    end
+
+    context 'when the pipeline has jobs' do
+      let!(:build) { create(:ci_build, project: project, pipeline: pipeline) }
+
+      it 'destroys associated jobs' do
+        subject
+
+        expect { build.reload }.to raise_error(ActiveRecord::RecordNotFound)
+      end
+
+      it 'destroys associated stages' do
+        stages = pipeline.stages
+
+        subject
+
+        expect(stages).to all(raise_error(ActiveRecord::RecordNotFound))
+      end
+
+      context 'when job has artifacts' do
+        let!(:artifact) { create(:ci_job_artifact, :archive, job: build) }
+
+        it 'destroys associated artifacts' do
+          subject
+
+          expect { artifact.reload }.to raise_error(ActiveRecord::RecordNotFound)
+        end
+      end
+    end
+  end
+
+  context 'user is not owner' do
+    let(:user) { create(:user) }
+
+    it 'returns false' do
+      is_expected.to eq(false)
+    end
+
+    it 'does not destroy the pipeline' do
+      subject
+
+      expect { pipeline.reload }.not_to raise_error
+    end
+  end
+end