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require 'spec_helper'
describe Projects::HousekeepingService do
subject { described_class.new(project) }
set(: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(:incremental_repack)
expect(GitGarbageCollectWorker).to receive(:perform_async).with(project.id, :incremental_repack, :the_lease_key, :the_uuid).and_call_original
Sidekiq::Testing.fake! do
expect { subject.execute }.to change(GitGarbageCollectWorker.jobs, :size).by(1)
end
end
it 'yields the block if given' do
expect do |block|
subject.execute(&block)
end.to yield_with_no_args
end
it 'resets counter after execution' do
expect(subject).to receive(:try_obtain_lease).and_return(:the_uuid)
allow(subject).to receive(:gc_period).and_return(1)
project.increment_pushes_since_gc
perform_enqueued_jobs do
expect { subject.execute }.to change { project.pushes_since_gc }.to(0)
end
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
context 'task type' do
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
it 'runs the task specifically requested' do
housekeeping = described_class.new(project, :gc)
allow(housekeeping).to receive(:try_obtain_lease).and_return(:gc_uuid)
allow(housekeeping).to receive(:lease_key).and_return(:gc_lease_key)
expect(GitGarbageCollectWorker).to receive(:perform_async).with(project.id, :gc, :gc_lease_key, :gc_uuid).twice
2.times do
housekeeping.execute
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 { subject.increment! }.to change { project.pushes_since_gc }.by(1)
end
end
end
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