Avoid calling underlying methods on non-existing reposnon-existing-repo-optimization

This saves us Rugged/gRPC invocations

1 files changed, 28 insertions, 6 deletions

diff --git a/spec/models/repository_spec.rb b/spec/models/repository_spec.rb
index 39d188f18af..874368ada67 100644
--- a/spec/models/repository_spec.rb
+++ b/spec/models/repository_spec.rb
@@ -2110,19 +2110,41 @@ describe Repository do
   end
 
   describe '#cache_method_output', :use_clean_rails_memory_store_caching do
+    let(:fallback) { 10 }
+
     context 'with a non-existing repository' do
-      let(:value) do
-        repository.cache_method_output(:cats, fallback: 10) do
-          raise Rugged::ReferenceError
+      let(:project) { create(:project) } # No repository
+
+      subject do
+        repository.cache_method_output(:cats, fallback: fallback) do
+          repository.cats_call_stub
         end
       end
 
-      it 'returns a fallback value' do
-        expect(value).to eq(10)
+      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
-        value
+        subject
 
         expect(repository.instance_variable_defined?(:@cats)).to eq(false)
         expect(repository.send(:cache).exist?(:cats)).to eq(false)