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Diffstat (limited to 'spec/lib/gitlab/repository_cache_adapter_spec.rb')
-rw-r--r-- | spec/lib/gitlab/repository_cache_adapter_spec.rb | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/spec/lib/gitlab/repository_cache_adapter_spec.rb b/spec/lib/gitlab/repository_cache_adapter_spec.rb new file mode 100644 index 00000000000..85971f2a7ef --- /dev/null +++ b/spec/lib/gitlab/repository_cache_adapter_spec.rb @@ -0,0 +1,76 @@ +require 'spec_helper' + +describe Gitlab::RepositoryCacheAdapter do + let(:project) { create(:project, :repository) } + let(:repository) { project.repository } + let(:cache) { repository.send(:cache) } + + describe '#cache_method_output', :use_clean_rails_memory_store_caching do + let(:fallback) { 10 } + + context 'with a non-existing repository' do + let(:project) { create(:project) } # No repository + + subject do + repository.cache_method_output(:cats, fallback: fallback) do + repository.cats_call_stub + end + end + + it 'returns the fallback value' do + expect(subject).to eq(fallback) + end + + it 'avoids calling the original method' do + expect(repository).not_to receive(:cats_call_stub) + + subject + end + end + + context 'with a method throwing a non-existing-repository error' do + subject do + repository.cache_method_output(:cats, fallback: fallback) do + raise Gitlab::Git::Repository::NoRepository + end + end + + it 'returns the fallback value' do + expect(subject).to eq(fallback) + end + + it 'does not cache the data' do + subject + + expect(repository.instance_variable_defined?(:@cats)).to eq(false) + expect(cache.exist?(:cats)).to eq(false) + end + end + + context 'with an existing repository' do + it 'caches the output' do + object = double + + expect(object).to receive(:number).once.and_return(10) + + 2.times do + val = repository.cache_method_output(:cats) { object.number } + + expect(val).to eq(10) + end + + expect(repository.send(:cache).exist?(:cats)).to eq(true) + expect(repository.instance_variable_get(:@cats)).to eq(10) + end + end + end + + describe '#expire_method_caches' do + it 'expires the caches of the given methods' do + expect(cache).to receive(:expire).with(:readme) + expect(cache).to receive(:expire).with(:gitignore) + + repository.expire_method_caches(%i(readme gitignore)) + end + end +end |