diff options
Diffstat (limited to 'spec/lib/gitlab/health_checks/puma_check_spec.rb')
-rw-r--r-- | spec/lib/gitlab/health_checks/puma_check_spec.rb | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/spec/lib/gitlab/health_checks/puma_check_spec.rb b/spec/lib/gitlab/health_checks/puma_check_spec.rb new file mode 100644 index 00000000000..71b6386b174 --- /dev/null +++ b/spec/lib/gitlab/health_checks/puma_check_spec.rb @@ -0,0 +1,65 @@ +require 'spec_helper' + +describe Gitlab::HealthChecks::PumaCheck do + let(:result_class) { Gitlab::HealthChecks::Result } + let(:readiness) { described_class.readiness } + let(:metrics) { described_class.metrics } + + shared_examples 'with state' do |(state, message)| + it "does provide readiness" do + expect(readiness).to eq(result_class.new('puma_check', state, message)) + end + + it "does provide metrics" do + expect(metrics).to include( + an_object_having_attributes(name: 'puma_check_success', value: state ? 1 : 0)) + expect(metrics).to include( + an_object_having_attributes(name: 'puma_check_latency_seconds', value: be >= 0)) + end + end + + context 'when Puma is not loaded' do + before do + hide_const('Puma') + end + + it "does not provide readiness and metrics" do + expect(readiness).to be_nil + expect(metrics).to be_nil + end + end + + context 'when Puma is loaded' do + before do + stub_const('Puma', Module.new) + end + + context 'when stats are missing' do + before do + expect(Puma).to receive(:stats).and_raise(NoMethodError) + end + + it_behaves_like 'with state', [false, 'unexpected Puma check result: 0'] + end + + context 'for Single mode' do + before do + expect(Puma).to receive(:stats) do + '{}' + end + end + + it_behaves_like 'with state', true + end + + context 'for Cluster mode' do + before do + expect(Puma).to receive(:stats) do + '{"workers":2}' + end + end + + it_behaves_like 'with state', true + end + end +end |