1 files changed, 69 insertions, 0 deletions
diff --git a/spec/workers/ci/external_pull_requests/create_pipeline_worker_spec.rb b/spec/workers/ci/external_pull_requests/create_pipeline_worker_spec.rb
new file mode 100644
index 00000000000..116a0e4d035
--- /dev/null
+++ b/spec/workers/ci/external_pull_requests/create_pipeline_worker_spec.rb
@@ -0,0 +1,69 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Ci::ExternalPullRequests::CreatePipelineWorker do
+  let_it_be(:project) { create(:project, :auto_devops, :repository) }
+  let_it_be(:user) { project.owner }
+  let_it_be(:external_pull_request) do
+    branch = project.repository.branches.last
+    create(:external_pull_request, project: project, source_branch: branch.name, source_sha: branch.target)
+  end
+
+  let(:worker) { described_class.new }
+
+  describe '#perform' do
+    let(:project_id) { project.id }
+    let(:user_id) { user.id }
+    let(:external_pull_request_id) { external_pull_request.id }
+
+    subject(:perform) { worker.perform(project_id, user_id, external_pull_request_id) }
+
+    it 'creates the pipeline' do
+      pipeline = perform.payload
+
+      expect(pipeline).to be_valid
+      expect(pipeline).to be_persisted
+      expect(pipeline).to be_external_pull_request_event
+      expect(pipeline.project).to eq(project)
+      expect(pipeline.user).to eq(user)
+      expect(pipeline.external_pull_request).to eq(external_pull_request)
+      expect(pipeline.status).to eq('created')
+      expect(pipeline.ref).to eq(external_pull_request.source_branch)
+      expect(pipeline.sha).to eq(external_pull_request.source_sha)
+      expect(pipeline.source_sha).to eq(external_pull_request.source_sha)
+      expect(pipeline.target_sha).to eq(external_pull_request.target_sha)
+    end
+
+    shared_examples_for 'not calling service' do
+      it 'does not call the service' do
+        expect(Ci::CreatePipelineService).not_to receive(:new)
+        perform
+      end
+    end
+
+    context 'when the project not found' do
+      let(:project_id) { non_existing_record_id }
+
+      it_behaves_like 'not calling service'
+    end
+
+    context 'when the user not found' do
+      let(:user_id) { non_existing_record_id }
+
+      it_behaves_like 'not calling service'
+    end
+
+    context 'when the pull request not found' do
+      let(:external_pull_request_id) { non_existing_record_id }
+
+      it_behaves_like 'not calling service'
+    end
+
+    context 'when the pull request does not belong to the project' do
+      let(:external_pull_request_id) { create(:external_pull_request).id }
+
+      it_behaves_like 'not calling service'
+    end
+  end
+end