1 files changed, 32 insertions, 0 deletions
diff --git a/spec/models/ci/build_metadata_spec.rb b/spec/models/ci/build_metadata_spec.rb
index 16cff72db64..e728ce0f474 100644
--- a/spec/models/ci/build_metadata_spec.rb
+++ b/spec/models/ci/build_metadata_spec.rb
@@ -182,4 +182,36 @@ RSpec.describe Ci::BuildMetadata do
       end
     end
   end
+
+  describe 'routing table switch' do
+    context 'with ff disabled' do
+      before do
+        stub_feature_flags(ci_partitioning_use_ci_builds_metadata_routing_table: false)
+      end
+
+      it 'uses the legacy table' do
+        expect(described_class.table_name).to eq('ci_builds_metadata')
+      end
+    end
+
+    context 'with ff enabled' do
+      before do
+        stub_feature_flags(ci_partitioning_use_ci_builds_metadata_routing_table: true)
+      end
+
+      it 'uses the routing table' do
+        expect(described_class.table_name).to eq('p_ci_builds_metadata')
+      end
+    end
+  end
+
+  context 'jsonb fields serialization' do
+    it 'changing other fields does not change config_options' do
+      expect { metadata.id = metadata.id }.not_to change(metadata, :changes)
+    end
+
+    it 'accessing config_options does not change it' do
+      expect { metadata.config_options }.not_to change(metadata, :changes)
+    end
+  end
 end