Merge branch 'feature/process-pipeline-hooks-asynchronously' into 'master'

Execute pipeline hooks asynchronously

## What does this MR do?

This MR makes it possible to execute pipeline hooks asynchronously, what should help to improve performance of CI pipeline processing.

## What are the relevant issue numbers?

Closes #23056

See merge request !6824

5 files changed, 135 insertions, 0 deletions

diff --git a/spec/workers/build_coverage_worker_spec.rb b/spec/workers/build_coverage_worker_spec.rb
new file mode 100644
index 00000000000..ba20488f663
--- /dev/null
+++ b/spec/workers/build_coverage_worker_spec.rb
@@ -0,0 +1,23 @@
+require 'spec_helper'
+
+describe BuildCoverageWorker do
+  describe '#perform' do
+    context 'when build exists' do
+      let!(:build) { create(:ci_build) }
+
+      it 'updates code coverage' do
+        expect_any_instance_of(Ci::Build)
+          .to receive(:update_coverage)
+
+        described_class.new.perform(build.id)
+      end
+    end
+
+    context 'when build does not exist' do
+      it 'does not raise exception' do
+        expect { described_class.new.perform(123) }
+          .not_to raise_error
+      end
+    end
+  end
+end
diff --git a/spec/workers/build_finished_worker_spec.rb b/spec/workers/build_finished_worker_spec.rb
new file mode 100644
index 00000000000..2868167c7d4
--- /dev/null
+++ b/spec/workers/build_finished_worker_spec.rb
@@ -0,0 +1,30 @@
+require 'spec_helper'
+
+describe BuildFinishedWorker do
+  describe '#perform' do
+    context 'when build exists' do
+      let(:build) { create(:ci_build) }
+
+      it 'calculates coverage and calls hooks' do
+        expect(BuildCoverageWorker)
+          .to receive(:new).ordered.and_call_original
+        expect(BuildHooksWorker)
+          .to receive(:new).ordered.and_call_original
+
+        expect_any_instance_of(BuildCoverageWorker)
+          .to receive(:perform)
+        expect_any_instance_of(BuildHooksWorker)
+          .to receive(:perform)
+
+        described_class.new.perform(build.id)
+      end
+    end
+
+    context 'when build does not exist' do
+      it 'does not raise exception' do
+        expect { described_class.new.perform(123) }
+          .not_to raise_error
+      end
+    end
+  end
+end
diff --git a/spec/workers/build_hooks_worker_spec.rb b/spec/workers/build_hooks_worker_spec.rb
new file mode 100644
index 00000000000..97654a93f5c
--- /dev/null
+++ b/spec/workers/build_hooks_worker_spec.rb
@@ -0,0 +1,23 @@
+require 'spec_helper'
+
+describe BuildHooksWorker do
+  describe '#perform' do
+    context 'when build exists' do
+      let!(:build) { create(:ci_build) }
+
+      it 'calls build hooks' do
+        expect_any_instance_of(Ci::Build)
+          .to receive(:execute_hooks)
+
+        described_class.new.perform(build.id)
+      end
+    end
+
+    context 'when build does not exist' do
+      it 'does not raise exception' do
+        expect { described_class.new.perform(123) }
+          .not_to raise_error
+      end
+    end
+  end
+end
diff --git a/spec/workers/build_success_worker_spec.rb b/spec/workers/build_success_worker_spec.rb
new file mode 100644
index 00000000000..dba70883130
--- /dev/null
+++ b/spec/workers/build_success_worker_spec.rb
@@ -0,0 +1,36 @@
+require 'spec_helper'
+
+describe BuildSuccessWorker do
+  describe '#perform' do
+    context 'when build exists' do
+      context 'when build belogs to the environment' do
+        let!(:build) { create(:ci_build, environment: 'production') }
+
+        it 'executes deployment service' do
+          expect_any_instance_of(CreateDeploymentService)
+            .to receive(:execute)
+
+          described_class.new.perform(build.id)
+        end
+      end
+
+      context 'when build is not associated with project' do
+        let!(:build) { create(:ci_build, project: nil) }
+
+        it 'does not create deployment' do
+          expect_any_instance_of(CreateDeploymentService)
+            .not_to receive(:execute)
+
+          described_class.new.perform(build.id)
+        end
+      end
+    end
+
+    context 'when build does not exist' do
+      it 'does not raise exception' do
+        expect { described_class.new.perform(123) }
+          .not_to raise_error
+      end
+    end
+  end
+end
diff --git a/spec/workers/pipeline_hooks_worker_spec.rb b/spec/workers/pipeline_hooks_worker_spec.rb
new file mode 100644
index 00000000000..035e329839f
--- /dev/null
+++ b/spec/workers/pipeline_hooks_worker_spec.rb
@@ -0,0 +1,23 @@
+require 'spec_helper'
+
+describe PipelineHooksWorker do
+  describe '#perform' do
+    context 'when pipeline exists' do
+      let(:pipeline) { create(:ci_pipeline) }
+
+      it 'executes hooks for the pipeline' do
+        expect_any_instance_of(Ci::Pipeline)
+          .to receive(:execute_hooks)
+
+        described_class.new.perform(pipeline.id)
+      end
+    end
+
+    context 'when pipeline does not exist' do
+      it 'does not raise exception' do
+        expect { described_class.new.perform(123) }
+          .not_to raise_error
+      end
+    end
+  end
+end