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# coding: utf-8
require 'spec_helper'
require 'gitlab_reference_counter'
describe GitlabReferenceCounter do
let(:redis_client) { double('redis_client') }
let(:reference_counter_key) { "git-receive-pack-reference-counter:/test/path" }
let(:gitlab_reference_counter) { GitlabReferenceCounter.new('/test/path') }
before do
allow(gitlab_reference_counter).to receive(:redis_client).and_return(redis_client)
$logger = double('logger').as_null_object
end
it 'increases and set the expire time of a reference count for a path' do
expect(redis_client).to receive(:incr).with(reference_counter_key)
expect(redis_client).to receive(:expire).with(reference_counter_key, GitlabReferenceCounter::REFERENCE_EXPIRE_TIME)
expect(gitlab_reference_counter.increase).to be(true)
end
it 'decreases the reference count for a path' do
allow(redis_client).to receive(:decr).and_return(0)
expect(redis_client).to receive(:decr).with(reference_counter_key)
expect(gitlab_reference_counter.decrease).to be(true)
end
it 'warns if attempting to decrease a counter with a value of one or less, and resets the counter' do
expect(redis_client).to receive(:decr).and_return(-1)
expect(redis_client).to receive(:del)
expect($logger).to receive(:warn).with("Reference counter for /test/path decreased when its value was less than 1. Reseting the counter.")
expect(gitlab_reference_counter.decrease).to be(true)
end
it 'get the reference count for a path' do
allow(redis_client).to receive(:get).and_return(1)
expect(gitlab_reference_counter.value).to be(1)
end
end
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