1 files changed, 28 insertions, 0 deletions
diff --git a/spec/models/group_label_spec.rb b/spec/models/group_label_spec.rb
index a82d23bcc0b..92b07a3cd44 100644
--- a/spec/models/group_label_spec.rb
+++ b/spec/models/group_label_spec.rb
@@ -8,4 +8,32 @@ describe GroupLabel, models: true do
   describe 'validations' do
     it { is_expected.to validate_presence_of(:group) }
   end
+
+  describe '#to_reference' do
+    let(:label) { create(:group_label) }
+
+    context 'using id' do
+      it 'returns a String reference to the object' do
+        expect(label.to_reference).to eq "~#{label.id}"
+      end
+    end
+
+    context 'using name' do
+      it 'returns a String reference to the object' do
+        expect(label.to_reference(format: :name)).to eq %(~"#{label.name}")
+      end
+
+      it 'uses id when name contains double quote' do
+        label = create(:label, name: %q{"irony"})
+        expect(label.to_reference(format: :name)).to eq "~#{label.id}"
+      end
+    end
+
+    context 'using invalid format' do
+      it 'raises error' do
+        expect { label.to_reference(format: :invalid) }
+          .to raise_error StandardError, /Unknown format/
+      end
+    end
+  end
 end