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