1 files changed, 27 insertions, 0 deletions
diff --git a/spec/models/project_wiki_spec.rb b/spec/models/project_wiki_spec.rb
index c04fc70deca..92f256ea71a 100644
--- a/spec/models/project_wiki_spec.rb
+++ b/spec/models/project_wiki_spec.rb
@@ -18,6 +18,33 @@ RSpec.describe ProjectWiki do
       end
     end
 
+    describe '#create_wiki_repository' do
+      context 'when a project_wiki_repositories record does not exist' do
+        let_it_be(:wiki_container) { create(:project) }
+
+        it 'creates a new record' do
+          expect { subject.create_wiki_repository }.to change { wiki_container.wiki_repository }
+            .from(nil).to(kind_of(Projects::WikiRepository))
+        end
+
+        context 'on a read-only instance' do
+          before do
+            allow(Gitlab::Database).to receive(:read_only?).and_return(true)
+          end
+
+          it 'does not attempt to create a new record' do
+            expect { subject.create_wiki_repository }.not_to change { wiki_container.wiki_repository }
+          end
+        end
+      end
+
+      context 'when a project_wiki_repositories record exists' do
+        it 'does not create a new record in the database' do
+          expect { subject.create_wiki_repository }.not_to change { wiki_container.wiki_repository }
+        end
+      end
+    end
+
     describe '#after_wiki_activity' do
       it 'updates project activity' do
         wiki_container.update!(