1 files changed, 23 insertions, 0 deletions
diff --git a/spec/models/users/credit_card_validation_spec.rb b/spec/models/users/credit_card_validation_spec.rb
index 34cfd500c26..58b529ff18a 100644
--- a/spec/models/users/credit_card_validation_spec.rb
+++ b/spec/models/users/credit_card_validation_spec.rb
@@ -28,4 +28,27 @@ RSpec.describe Users::CreditCardValidation do
       expect(subject.similar_records).to eq([match2, match1, subject])
     end
   end
+
+  describe '#similar_holder_names_count' do
+    subject!(:credit_card_validation) { create(:credit_card_validation, holder_name: holder_name) }
+
+    context 'when holder_name is present' do
+      let(:holder_name) { 'ALICE M SMITH' }
+
+      let!(:match) { create(:credit_card_validation, holder_name: 'Alice M Smith') }
+      let!(:non_match) { create(:credit_card_validation, holder_name: 'Bob B Brown') }
+
+      it 'returns the count of cards with similar case insensitive holder names' do
+        expect(subject.similar_holder_names_count).to eq(2)
+      end
+    end
+
+    context 'when holder_name is nil' do
+      let(:holder_name) { nil }
+
+      it 'returns 0' do
+        expect(subject.similar_holder_names_count).to eq(0)
+      end
+    end
+  end
 end