require 'spec_helper' describe Projects::HousekeepingService do subject { described_class.new(project) } let(:project) { create(:project, :repository) } before do project.reset_pushes_since_gc end after do project.reset_pushes_since_gc end describe '#execute' do it 'enqueues a sidekiq job' do expect(subject).to receive(:try_obtain_lease).and_return(:the_uuid) expect(subject).to receive(:lease_key).and_return(:the_lease_key) expect(subject).to receive(:task).and_return(:the_task) expect(GitGarbageCollectWorker).to receive(:perform_async).with(project.id, :the_task, :the_lease_key, :the_uuid) subject.execute expect(project.reload.pushes_since_gc).to eq(0) end it 'yields the block if given' do expect do |block| subject.execute(&block) end.to yield_with_no_args end context 'when no lease can be obtained' do before do expect(subject).to receive(:try_obtain_lease).and_return(false) end it 'does not enqueue a job' do expect(GitGarbageCollectWorker).not_to receive(:perform_async) expect { subject.execute }.to raise_error(Projects::HousekeepingService::LeaseTaken) end it 'does not reset pushes_since_gc' do expect do expect { subject.execute }.to raise_error(Projects::HousekeepingService::LeaseTaken) end.not_to change { project.pushes_since_gc } end it 'does not yield' do expect do |block| expect { subject.execute(&block) } .to raise_error(Projects::HousekeepingService::LeaseTaken) end.not_to yield_with_no_args end end end describe '#needed?' do it 'when the count is low enough' do expect(subject.needed?).to eq(false) end it 'when the count is high enough' do allow(project).to receive(:pushes_since_gc).and_return(10) expect(subject.needed?).to eq(true) end end describe '#increment!' do it 'increments the pushes_since_gc counter' do expect do subject.increment! end.to change { project.pushes_since_gc }.from(0).to(1) end end it 'goes through all three housekeeping tasks, executing only the highest task when there is overlap' do allow(subject).to receive(:try_obtain_lease).and_return(:the_uuid) allow(subject).to receive(:lease_key).and_return(:the_lease_key) # At push 200 expect(GitGarbageCollectWorker).to receive(:perform_async).with(project.id, :gc, :the_lease_key, :the_uuid) .exactly(1).times # At push 50, 100, 150 expect(GitGarbageCollectWorker).to receive(:perform_async).with(project.id, :full_repack, :the_lease_key, :the_uuid) .exactly(3).times # At push 10, 20, ... (except those above) expect(GitGarbageCollectWorker).to receive(:perform_async).with(project.id, :incremental_repack, :the_lease_key, :the_uuid) .exactly(16).times 201.times do subject.increment! subject.execute if subject.needed? end expect(project.pushes_since_gc).to eq(1) end end