feat(tests): updated tests coverage to 66.5%

test/features/barcode/models/barcode_product_model_test.dart

@@ -0,0 +1,132 @@
+import 'package:eatvio_app/features/barcode/models/barcode_product_model.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+void main() {
+  group('BarcodeProductModel', () {
+    test('fromJson parses all fields correctly', () {
+      final json = {
+        'GTIN': '1234567890123',
+        'Товарный знак (ru)': 'Test Brand',
+        'Описание (ru)': 'Test Description',
+        'Количество/вес': '100g',
+        'Рынок сбыта': 'Russia',
+        'Калорийность': 250.5,
+        'Белки': 10.0,
+        'Жиры': 5.0,
+        'Углеводы': 30.0,
+      };
+
+      final model = BarcodeProductModel.fromJson(json);
+
+      expect(model.GTIN, '1234567890123');
+      expect(model.brandName, 'Test Brand');
+      expect(model.description, 'Test Description');
+      expect(model.quantity, '100g');
+      expect(model.market, 'Russia');
+      expect(model.calories, 250.5);
+      expect(model.proteins, 10.0);
+      expect(model.fats, 5.0);
+      expect(model.carbohydrates, 30.0);
+    });
+
+    test('fromJson handles missing optional fields', () {
+      final json = {
+        'GTIN': '1234567890123',
+      };
+
+      final model = BarcodeProductModel.fromJson(json);
+
+      expect(model.GTIN, '1234567890123');
+      expect(model.brandName, isNull);
+      expect(model.description, isNull);
+      expect(model.quantity, isNull);
+      expect(model.market, isNull);
+      expect(model.calories, isNull);
+      expect(model.proteins, isNull);
+      expect(model.fats, isNull);
+      expect(model.carbohydrates, isNull);
+    });
+
+    test('toJson serializes all fields correctly', () {
+      const model = BarcodeProductModel(
+        GTIN: '1234567890123',
+        brandName: 'Test Brand',
+        description: 'Test Description',
+        quantity: '100g',
+        market: 'Russia',
+        calories: 250.5,
+        proteins: 10.0,
+        fats: 5.0,
+        carbohydrates: 30.0,
+      );
+
+      final json = model.toJson();
+
+      expect(json['GTIN'], '1234567890123');
+      expect(json['Товарный знак (ru)'], 'Test Brand');
+      expect(json['Описание (ru)'], 'Test Description');
+      expect(json['Количество/вес'], '100g');
+      expect(json['Рынок сбыта'], 'Russia');
+      expect(json['Калорийность'], 250.5);
+      expect(json['Белки'], 10.0);
+      expect(json['Жиры'], 5.0);
+      expect(json['Углеводы'], 30.0);
+    });
+  });
+
+  group('BarcodeTaskStatusModel', () {
+    test('fromJson parses all fields correctly', () {
+      final json = {
+        'status': 'completed',
+        'task_id': 'task-123',
+        'data': {
+          'GTIN': '1234567890123',
+          'Товарный знак (ru)': 'Test Brand',
+        },
+      };
+
+      final model = BarcodeTaskStatusModel.fromJson(json);
+
+      expect(model.status, 'completed');
+      expect(model.taskId, 'task-123');
+      expect(model.data, isNotNull);
+      expect(model.data?.GTIN, '1234567890123');
+      expect(model.data?.brandName, 'Test Brand');
+    });
+
+    test('fromJson handles missing optional fields', () {
+      final json = {
+        'status': 'pending',
+      };
+
+      final model = BarcodeTaskStatusModel.fromJson(json);
+
+      expect(model.status, 'pending');
+      expect(model.taskId, isNull);
+      expect(model.data, isNull);
+    });
+
+    test('toJson serializes all fields correctly', () {
+      const productModel = BarcodeProductModel(GTIN: '1234567890123', brandName: 'Test Brand');
+      const model = BarcodeTaskStatusModel(
+        status: 'completed',
+        taskId: 'task-123',
+        data: productModel,
+      );
+
+      final json = model.toJson();
+
+      expect(json['status'], 'completed');
+      expect(json['task_id'], 'task-123');
+      expect(json['data'], isNotNull);
+      if (json['data'] is Map) {
+        final dataJson = json['data'] as Map<String, dynamic>;
+        expect(dataJson['GTIN'], '1234567890123');
+      } else {
+        // If data is already a model, check it directly
+        expect(model.data?.GTIN, '1234567890123');
+      }
+    });
+  });
+}
+