153 lines
3.7 KiB
Ruby
153 lines
3.7 KiB
Ruby
# frozen_string_literal: true
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require 'spec_helper'
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describe Gitlab::RepositorySetCache, :clean_gitlab_redis_cache do
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let_it_be(:project) { create(:project) }
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let(:repository) { project.repository }
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let(:namespace) { "#{repository.full_path}:#{project.id}" }
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let(:cache) { described_class.new(repository) }
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describe '#cache_key' do
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subject { cache.cache_key(:foo) }
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shared_examples 'cache_key examples' do
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it 'includes the namespace' do
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is_expected.to eq("foo:#{namespace}:set")
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end
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context 'with a given namespace' do
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let(:extra_namespace) { 'my:data' }
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let(:cache) { described_class.new(repository, extra_namespace: extra_namespace) }
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it 'includes the full namespace' do
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is_expected.to eq("foo:#{namespace}:#{extra_namespace}:set")
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end
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end
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end
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describe 'project repository' do
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it_behaves_like 'cache_key examples' do
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let(:repository) { project.repository }
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end
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end
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describe 'personal snippet repository' do
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let_it_be(:personal_snippet) { create(:personal_snippet) }
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let(:namespace) { repository.full_path }
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it_behaves_like 'cache_key examples' do
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let(:repository) { personal_snippet.repository }
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end
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end
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describe 'project snippet repository' do
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let_it_be(:project_snippet) { create(:project_snippet, project: project) }
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it_behaves_like 'cache_key examples' do
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let(:repository) { project_snippet.repository }
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end
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end
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end
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describe '#expire' do
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subject { cache.expire(*keys) }
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before do
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cache.write(:foo, ['value'])
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cache.write(:bar, ['value2'])
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end
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it 'actually wrote the values' do
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expect(cache.read(:foo)).to contain_exactly('value')
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expect(cache.read(:bar)).to contain_exactly('value2')
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end
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context 'single key' do
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let(:keys) { %w(foo) }
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it { is_expected.to eq(1) }
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it 'deletes the given key from the cache' do
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subject
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expect(cache.read(:foo)).to be_empty
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end
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end
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context 'multiple keys' do
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let(:keys) { %w(foo bar) }
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it { is_expected.to eq(2) }
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it 'deletes the given keys from the cache' do
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subject
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expect(cache.read(:foo)).to be_empty
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expect(cache.read(:bar)).to be_empty
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end
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end
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context 'no keys' do
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let(:keys) { [] }
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it { is_expected.to eq(0) }
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end
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context "unlink isn't supported" do
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before do
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allow_any_instance_of(Redis).to receive(:unlink) { raise ::Redis::CommandError }
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end
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it 'still deletes the given key' do
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expect(cache.expire(:foo)).to eq(1)
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expect(cache.read(:foo)).to be_empty
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end
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it 'logs the failure' do
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expect(Gitlab::ErrorTracking).to receive(:log_exception)
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cache.expire(:foo)
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end
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end
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end
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describe '#exist?' do
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it 'checks whether the key exists' do
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expect(cache.exist?(:foo)).to be(false)
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cache.write(:foo, ['value'])
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expect(cache.exist?(:foo)).to be(true)
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end
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end
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describe '#fetch' do
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let(:blk) { -> { ['block value'] } }
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subject { cache.fetch(:foo, &blk) }
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it 'fetches the key from the cache when filled' do
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cache.write(:foo, ['value'])
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is_expected.to contain_exactly('value')
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end
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it 'writes the value of the provided block when empty' do
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cache.expire(:foo)
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is_expected.to contain_exactly('block value')
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expect(cache.read(:foo)).to contain_exactly('block value')
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end
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end
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describe '#include?' do
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it 'checks inclusion in the Redis set' do
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cache.write(:foo, ['value'])
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expect(cache.include?(:foo, 'value')).to be(true)
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expect(cache.include?(:foo, 'bar')).to be(false)
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end
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end
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end
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