diff --git a/pubspec.lock b/pubspec.lock
index 3d6042592..1320ac51e 100644
--- a/pubspec.lock
+++ b/pubspec.lock
@@ -1473,4 +1473,4 @@ packages:
     version: "2.0.3"
 sdks:
   dart: ">=3.6.0 <4.0.0"
-  flutter: ">=3.27.0"
+  flutter: ">=3.27.0"
\ No newline at end of file
diff --git a/pubspec.yaml b/pubspec.yaml
index 1172db1e9..f198535ae 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -139,4 +139,4 @@ flutter_launcher_icons:
   ios: true
   remove_alpha_ios: true
   image_path: "assets/icon/ont_logo_square.png"
-  min_sdk_android: 21
+  min_sdk_android: 21
\ No newline at end of file
diff --git a/test/unit_test/off_product_dto_test.dart b/test/unit_test/off_product_dto_test.dart
new file mode 100644
index 000000000..5f69aa687
--- /dev/null
+++ b/test/unit_test/off_product_dto_test.dart
@@ -0,0 +1,156 @@
+import 'package:flutter_test/flutter_test.dart';
+import 'package:opennutritracker/core/utils/supported_language.dart';
+import 'package:opennutritracker/features/add_meal/data/dto/off/off_product_dto.dart';
+import 'package:opennutritracker/features/add_meal/data/dto/off/off_product_nutriments_dto.dart';
+
+void main() {
+  group('OFFProductDTO getLocaleName', () {
+    test('Case 1: English Language - Valid Name', () {
+      final product = OFFProductDTO(
+        code: '123 - testValue',
+        product_name: 'Name - testValue',
+        product_name_en: 'English Name - testValue',
+        product_name_fr: 'Nom Français - testValue',
+        product_name_de: 'Deutscher Name - testValue',
+        brands: 'Brand - testValue',
+        image_front_thumb_url: 'thumb - testValue',
+        image_front_url: 'front - testValue',
+        image_ingredients_url: 'ingredients - testValue',
+        image_nutrition_url: 'nutrition - testValue',
+        image_url: 'image - testValue',
+        url: 'url - testValue',
+        quantity: '100g - testValue',
+        product_quantity: '100 - testValue',
+        serving_quantity: '50 - testValue',
+        serving_size: '50g - testValue',
+        nutriments: OFFProductNutrimentsDTO(
+          energy_kcal_100g: 1,
+          carbohydrates_100g: 1,
+          fat_100g: 1,
+          proteins_100g: 1,
+          sugars_100g: 1,
+          saturated_fat_100g: 1,
+          fiber_100g: 1,
+        ),
+      );
+
+      final result = product.getLocaleName(SupportedLanguage.en);
+
+      expect(result, equals('English Name - testValue'));
+    });
+
+    test('Case 2: Deutscher Language - Valid Name', () {
+      final product = OFFProductDTO(
+        code: '123 - testValue',
+        product_name: 'Default Name - testValue',
+        product_name_en: 'English Name - testValue',
+        product_name_fr: 'Nom Français - testValue',
+        product_name_de: 'Deutscher Name - testValue',
+        brands: 'Brand - testValue',
+        image_front_thumb_url: 'thumb - testValue',
+        image_front_url: 'front - testValue',
+        image_ingredients_url: 'ingredients - testValue',
+        image_nutrition_url: 'nutrition - testValue',
+        image_url: 'image - testValue',
+        url: 'url - testValue',
+        quantity: '100g - testValue',
+        product_quantity: '100 - testValue',
+        serving_quantity: '50 - testValue',
+        serving_size: '50g - testValue',
+        nutriments: OFFProductNutrimentsDTO(
+          energy_kcal_100g: 1,
+          carbohydrates_100g: 1,
+          fat_100g: 1,
+          proteins_100g: 1,
+          sugars_100g: 1,
+          saturated_fat_100g: 1,
+          fiber_100g: 1
+        ),
+      );
+
+      final result = product.getLocaleName(SupportedLanguage.de);
+
+      expect(result, equals('Deutscher Name - testValue'));
+    });
+
+    test('Case 3: English Language - Null Name', () {
+      final product = OFFProductDTO(
+        code: '123 - testValue',
+        product_name: 'Default Name - testValue',
+        product_name_en: null,
+        product_name_fr: 'Nom Français - testValue',
+        product_name_de: 'Deutscher Name - testValue',
+        brands: 'Brand - testValue',
+        image_front_thumb_url: 'thumb - testValue',
+        image_front_url: 'front - testValue',
+        image_ingredients_url: 'ingredients - testValue',
+        image_nutrition_url: 'nutrition - testValue',
+        image_url: 'image - testValue',
+        url: 'url - testValue',
+        quantity: '100g - testValue',
+        product_quantity: '100 - testValue',
+        serving_quantity: '50 - testValue',
+        serving_size: '50g - testValue',
+        nutriments: OFFProductNutrimentsDTO(
+          energy_kcal_100g: 1,
+          carbohydrates_100g: 1,
+          fat_100g: 1,
+          proteins_100g: 1,
+          sugars_100g: 1,
+          saturated_fat_100g: 1,
+          fiber_100g: 1
+        ),
+      );
+
+      final result = product.getLocaleName(SupportedLanguage.en);
+
+      expect(
+        result == 'Deutscher Name - testValue' ||
+        result == 'English Name - testValue' ||
+        result == 'Default Name - testValue' ||
+        result == 'Nom Français - testValue',
+        isTrue,
+      );
+    });
+
+    test('Case 4: English Language - Empty Name', () {
+      final product = OFFProductDTO(
+        code: '123 - testValue',
+        product_name: 'Default Name - testValue',
+        product_name_en: '',
+        product_name_fr: 'Nom Français - testValue',
+        product_name_de: 'Deutscher Name - testValue',
+        brands: 'Brand - testValue',
+        image_front_thumb_url: 'thumb - testValue',
+        image_front_url: 'front - testValue',
+        image_ingredients_url: 'ingredients - testValue',
+        image_nutrition_url: 'nutrition - testValue',
+        image_url: 'image - testValue',
+        url: 'url - testValue',
+        quantity: '100g - testValue',
+        product_quantity: '100 - testValue',
+        serving_quantity: '50 - testValue',
+        serving_size: '50g - testValue',
+        nutriments: OFFProductNutrimentsDTO(
+          energy_kcal_100g: 1,
+          carbohydrates_100g: 1,
+          fat_100g: 1,
+          proteins_100g: 1,
+          sugars_100g: 1,
+          saturated_fat_100g: 1,
+          fiber_100g: 1
+        ),
+      );
+
+      final result = product.getLocaleName(SupportedLanguage.en);
+
+      expect(
+        result == 'Deutscher Name - testValue' ||
+        result == 'English Name - testValue' ||
+        result == 'Default Name - testValue' ||
+        result == 'Nom Français - testValue',
+        isTrue,
+      );
+    });
+  });
+} 
\ No newline at end of file