1 files changed, 80 insertions, 0 deletions
diff --git a/spec/services/ci/runners/process_runner_version_update_service_spec.rb b/spec/services/ci/runners/process_runner_version_update_service_spec.rb
new file mode 100644
index 00000000000..b885138fc7a
--- /dev/null
+++ b/spec/services/ci/runners/process_runner_version_update_service_spec.rb
@@ -0,0 +1,80 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe Ci::Runners::ProcessRunnerVersionUpdateService do
+  subject(:service) { described_class.new(version) }
+
+  let(:version) { '1.0.0' }
+  let(:available_runner_releases) { %w[1.0.0 1.0.1] }
+
+  describe '#execute' do
+    subject(:execute) { service.execute }
+
+    context 'with upgrade check returning error' do
+      let(:service_double) { instance_double(Gitlab::Ci::RunnerUpgradeCheck) }
+
+      before do
+        allow(service_double).to receive(:check_runner_upgrade_suggestion).with(version)
+          .and_return([version, :error])
+        allow(service).to receive(:upgrade_check_service).and_return(service_double)
+      end
+
+      it 'does not update ci_runner_versions records', :aggregate_failures do
+        expect do
+          expect(execute).to be_error
+          expect(execute.message).to eq 'upgrade version check failed'
+        end.not_to change(Ci::RunnerVersion, :count).from(0)
+        expect(service_double).to have_received(:check_runner_upgrade_suggestion).with(version).once
+      end
+    end
+
+    context 'with successful result from upgrade check' do
+      before do
+        url = ::Gitlab::CurrentSettings.current_application_settings.public_runner_releases_url
+
+        WebMock.stub_request(:get, url).to_return(
+          body: available_runner_releases.map { |v| { name: v } }.to_json,
+          status: 200,
+          headers: { 'Content-Type' => 'application/json' }
+        )
+      end
+
+      context 'with no existing ci_runner_version record' do
+        it 'creates ci_runner_versions record', :aggregate_failures do
+          expect do
+            expect(execute).to be_success
+            expect(execute.http_status).to eq :ok
+            expect(execute.payload).to eq({ upgrade_status: 'recommended' })
+          end.to change(Ci::RunnerVersion, :all).to contain_exactly(
+            an_object_having_attributes(version: version, status: 'recommended')
+          )
+        end
+      end
+
+      context 'with existing ci_runner_version record' do
+        let!(:runner_version) { create(:ci_runner_version, version: '1.0.0', status: :not_available) }
+
+        it 'updates ci_runner_versions record', :aggregate_failures do
+          expect do
+            expect(execute).to be_success
+            expect(execute.http_status).to eq :ok
+            expect(execute.payload).to eq({ upgrade_status: 'recommended' })
+          end.to change { runner_version.reload.status }.from('not_available').to('recommended')
+        end
+      end
+
+      context 'with up-to-date ci_runner_version record' do
+        let!(:runner_version) { create(:ci_runner_version, version: '1.0.0', status: :recommended) }
+
+        it 'does not update ci_runner_versions record', :aggregate_failures do
+          expect do
+            expect(execute).to be_success
+            expect(execute.http_status).to eq :ok
+            expect(execute.payload).to eq({ upgrade_status: 'recommended' })
+          end.not_to change { runner_version.reload.status }
+        end
+      end
+    end
+  end
+end