feat(dependencies): add rxdart package and improve string extension methods for better handling of empty strings and gender parsing

test/features/glossary/models/glossary_model_test.dart

@@ -0,0 +1,74 @@
+import 'package:eatvio_app/features/glossary/models/glossary_model.dart';
+import 'package:flutter_test/flutter_test.dart';
+
+void main() {
+  group('GlossaryModel', () {
+    test('создает GlossaryModel с правильными значениями', () {
+      const model = GlossaryModel(
+        id: 1,
+        name: 'Apple',
+        grInPortion: 100,
+        energyOn100Gr: 52.0,
+        proteinsOn100Gr: 0.3,
+        fatsOn100Gr: 0.2,
+        carbohydratesOn100Gr: 14.0,
+        energyOnPortion: 52.0,
+        proteinsOnPortion: 0.3,
+        fatsOnPortion: 0.2,
+        carbohydratesOnPortion: 14.0,
+      );
+
+      expect(model.id, 1);
+      expect(model.name, 'Apple');
+      expect(model.grInPortion, 100);
+      expect(model.energyOn100Gr, 52.0);
+    });
+  });
+
+  group('GlossaryPaginationModel', () {
+    test('создает GlossaryPaginationModel с правильными значениями', () {
+      const glossary = GlossaryModel(
+        id: 1,
+        name: 'Apple',
+        grInPortion: 100,
+        energyOn100Gr: 52.0,
+        proteinsOn100Gr: 0.3,
+        fatsOn100Gr: 0.2,
+        carbohydratesOn100Gr: 14.0,
+        energyOnPortion: 52.0,
+        proteinsOnPortion: 0.3,
+        fatsOnPortion: 0.2,
+        carbohydratesOnPortion: 14.0,
+      );
+
+      const pagination = GlossaryPaginationModel(glossariesList: [glossary]);
+
+      expect(pagination.glossariesList.length, 1);
+      expect(pagination.glossariesList.first.id, 1);
+    });
+  });
+
+  group('GlossaryModerationModel', () {
+    test('создает GlossaryModerationModel с правильными значениями', () {
+      const glossary = GlossaryModel(
+        id: 1,
+        name: 'Apple',
+        grInPortion: 100,
+        energyOn100Gr: 52.0,
+        proteinsOn100Gr: 0.3,
+        fatsOn100Gr: 0.2,
+        carbohydratesOn100Gr: 14.0,
+        energyOnPortion: 52.0,
+        proteinsOnPortion: 0.3,
+        fatsOnPortion: 0.2,
+        carbohydratesOnPortion: 14.0,
+      );
+
+      const model = GlossaryModerationModel(glossary: glossary);
+
+      expect(model.glossary.id, 1);
+      expect(model.glossary.name, 'Apple');
+    });
+  });
+}
+