require 'spec_helper' describe Gitlab::ReferenceCounter do let(:redis) { double('redis') } let(:reference_counter_key) { "git-receive-pack-reference-counter:project-1" } let(:reference_counter) { described_class.new('project-1') } before do allow(Gitlab::Redis::SharedState).to receive(:with).and_yield(redis) end it 'increases and set the expire time of a reference count for a path' do expect(redis).to receive(:incr).with(reference_counter_key) expect(redis).to receive(:expire).with(reference_counter_key, described_class::REFERENCE_EXPIRE_TIME) expect(reference_counter.increase).to be(true) end it 'decreases the reference count for a path' do allow(redis).to receive(:decr).and_return(0) expect(redis).to receive(:decr).with(reference_counter_key) expect(reference_counter.decrease).to be(true) end it 'warns if attempting to decrease a counter with a value of one or less, and resets the counter' do expect(redis).to receive(:decr).and_return(-1) expect(redis).to receive(:del) expect(Rails.logger).to receive(:warn).with("Reference counter for project-1" \ " decreased when its value was less than 1. Reseting the counter.") expect(reference_counter.decrease).to be(true) end it 'get the reference count for a path' do allow(redis).to receive(:get).and_return(1) expect(reference_counter.value).to be(1) end end