1 files changed, 123 insertions, 0 deletions
diff --git a/spec/lib/gitlab/ci/pipeline/chain/cancel_pending_pipelines_spec.rb b/spec/lib/gitlab/ci/pipeline/chain/cancel_pending_pipelines_spec.rb
new file mode 100644
index 00000000000..3eaecb11ae0
--- /dev/null
+++ b/spec/lib/gitlab/ci/pipeline/chain/cancel_pending_pipelines_spec.rb
@@ -0,0 +1,123 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Gitlab::Ci::Pipeline::Chain::CancelPendingPipelines do
+  let_it_be(:project) { create(:project) }
+  let_it_be(:user) { create(:user) }
+  let(:prev_pipeline) { create(:ci_pipeline, project: project) }
+  let(:new_commit) { create(:commit, project: project) }
+  let(:pipeline) { create(:ci_pipeline, project: project, sha: new_commit.sha) }
+
+  let(:command) do
+    Gitlab::Ci::Pipeline::Chain::Command.new(project: project, current_user: user)
+  end
+
+  let(:step) { described_class.new(pipeline, command) }
+
+  before do
+    create(:ci_build, :interruptible, :running, pipeline: prev_pipeline)
+    create(:ci_build, :interruptible, :success, pipeline: prev_pipeline)
+    create(:ci_build, :created, pipeline: prev_pipeline)
+
+    create(:ci_build, :interruptible, pipeline: pipeline)
+  end
+
+  describe '#perform!' do
+    subject(:perform) { step.perform! }
+
+    before do
+      expect(build_statuses(prev_pipeline)).to contain_exactly('running', 'success', 'created')
+      expect(build_statuses(pipeline)).to contain_exactly('pending')
+    end
+
+    context 'when auto-cancel is enabled' do
+      before do
+        project.update!(auto_cancel_pending_pipelines: 'enabled')
+      end
+
+      it 'cancels only previous interruptible builds' do
+        perform
+
+        expect(build_statuses(prev_pipeline)).to contain_exactly('canceled', 'success', 'canceled')
+        expect(build_statuses(pipeline)).to contain_exactly('pending')
+      end
+
+      context 'when the previous pipeline has a child pipeline' do
+        let(:child_pipeline) { create(:ci_pipeline, child_of: prev_pipeline) }
+
+        context 'when the child pipeline has an interruptible job' do
+          before do
+            create(:ci_build, :interruptible, :running, pipeline: child_pipeline)
+          end
+
+          it 'cancels interruptible builds of child pipeline' do
+            expect(build_statuses(child_pipeline)).to contain_exactly('running')
+
+            perform
+
+            expect(build_statuses(child_pipeline)).to contain_exactly('canceled')
+          end
+
+          context 'when FF ci_auto_cancel_all_pipelines is disabled' do
+            before do
+              stub_feature_flags(ci_auto_cancel_all_pipelines: false)
+            end
+
+            it 'does not cancel interruptible builds of child pipeline' do
+              expect(build_statuses(child_pipeline)).to contain_exactly('running')
+
+              perform
+
+              expect(build_statuses(child_pipeline)).to contain_exactly('running')
+            end
+          end
+        end
+
+        context 'when the child pipeline has not an interruptible job' do
+          before do
+            create(:ci_build, :running, pipeline: child_pipeline)
+          end
+
+          it 'does not cancel the build of child pipeline' do
+            expect(build_statuses(child_pipeline)).to contain_exactly('running')
+
+            perform
+
+            expect(build_statuses(child_pipeline)).to contain_exactly('running')
+          end
+        end
+      end
+
+      context 'when the prev pipeline source is webide' do
+        let(:prev_pipeline) { create(:ci_pipeline, :webide, project: project) }
+
+        it 'does not cancel builds of the previous pipeline' do
+          perform
+
+          expect(build_statuses(prev_pipeline)).to contain_exactly('created', 'running', 'success')
+          expect(build_statuses(pipeline)).to contain_exactly('pending')
+        end
+      end
+    end
+
+    context 'when auto-cancel is disabled' do
+      before do
+        project.update!(auto_cancel_pending_pipelines: 'disabled')
+      end
+
+      it 'does not cancel any build' do
+        subject
+
+        expect(build_statuses(prev_pipeline)).to contain_exactly('running', 'success', 'created')
+        expect(build_statuses(pipeline)).to contain_exactly('pending')
+      end
+    end
+  end
+
+  private
+
+  def build_statuses(pipeline)
+    pipeline.builds.pluck(:status)
+  end
+end