debian-mirror-gitlab/spec/lib/gitlab/repository_cache/preloader_spec.rb
2023-03-17 16:20:25 +05:30

81 lines
2.5 KiB
Ruby

# frozen_string_literal: true
require 'spec_helper'
RSpec.describe Gitlab::RepositoryCache::Preloader, :use_clean_rails_redis_caching,
feature_category: :source_code_management do
let(:projects) { create_list(:project, 2, :repository) }
let(:repositories) { projects.map(&:repository) }
before do
stub_feature_flags(use_primary_store_as_default_for_repository_cache: false)
end
shared_examples 'preload' do
describe '#preload' do
context 'when the values are already cached' do
before do
# Warm the cache but use a different model so they are not memoized
repos = Project.id_in(projects).order(:id).map(&:repository)
allow(repos[0]).to receive(:readme_path_gitaly).and_return('README.txt')
allow(repos[1]).to receive(:readme_path_gitaly).and_return('README.md')
repos.map(&:exists?)
repos.map(&:readme_path)
end
it 'prevents individual cache reads for cached methods' do
expect(cache).to receive(:read_multi).once.and_call_original
described_class.new(repositories).preload(
%i[exists? readme_path]
)
expect(cache).not_to receive(:read)
expect(cache).not_to receive(:write)
expect(repositories[0].exists?).to eq(true)
expect(repositories[0].readme_path).to eq('README.txt')
expect(repositories[1].exists?).to eq(true)
expect(repositories[1].readme_path).to eq('README.md')
end
end
context 'when values are not cached' do
it 'reads and writes from cache individually' do
described_class.new(repositories).preload(
%i[exists? has_visible_content?]
)
expect(cache).to receive(:read).exactly(4).times
expect(cache).to receive(:write).exactly(4).times
repositories.each(&:exists?)
repositories.each(&:has_visible_content?)
end
end
end
end
context 'when use_primary_and_secondary_stores_for_repository_cache feature flag is enabled' do
let(:cache) { Gitlab::RepositoryCache.store }
before do
stub_feature_flags(use_primary_and_secondary_stores_for_repository_cache: true)
end
it_behaves_like 'preload'
end
context 'when use_primary_and_secondary_stores_for_repository_cache feature flag is disabled' do
let(:cache) { Rails.cache }
before do
stub_feature_flags(use_primary_and_secondary_stores_for_repository_cache: false)
end
it_behaves_like 'preload'
end
end