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# frozen_string_literal: true
require 'spec_helper'
describe Gitlab::RepositorySetCache, :clean_gitlab_redis_cache do
let(:project) { create(:project) }
let(:repository) { project.repository }
let(:namespace) { "#{repository.full_path}:#{project.id}" }
let(:cache) { described_class.new(repository) }
describe '#cache_key' do
subject { cache.cache_key(:foo) }
it 'includes the namespace' do
is_expected.to eq("foo:#{namespace}:set")
end
context 'with a given namespace' do
let(:extra_namespace) { 'my:data' }
let(:cache) { described_class.new(repository, extra_namespace: extra_namespace) }
it 'includes the full namespace' do
is_expected.to eq("foo:#{namespace}:#{extra_namespace}:set")
end
end
end
describe '#expire' do
it 'expires the given key from the cache' do
cache.write(:foo, ['value'])
expect(cache.read(:foo)).to contain_exactly('value')
expect(cache.expire(:foo)).to eq(1)
expect(cache.read(:foo)).to be_empty
end
end
describe '#exist?' do
it 'checks whether the key exists' do
expect(cache.exist?(:foo)).to be(false)
cache.write(:foo, ['value'])
expect(cache.exist?(:foo)).to be(true)
end
end
describe '#fetch' do
let(:blk) { -> { ['block value'] } }
subject { cache.fetch(:foo, &blk) }
it 'fetches the key from the cache when filled' do
cache.write(:foo, ['value'])
is_expected.to contain_exactly('value')
end
it 'writes the value of the provided block when empty' do
cache.expire(:foo)
is_expected.to contain_exactly('block value')
expect(cache.read(:foo)).to contain_exactly('block value')
end
end
describe '#include?' do
it 'checks inclusion in the Redis set' do
cache.write(:foo, ['value'])
expect(cache.include?(:foo, 'value')).to be(true)
expect(cache.include?(:foo, 'bar')).to be(false)
end
end
end
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