feat(UGPC): issue-777

test/features/create_plan/presentation/cubit/create_plan_cubit_test.dart

@@ -1,5 +1,7 @@
 import 'package:eatvio_app/features/create_plan/presentation/cubit/create_plan_cubit.dart';
 import 'package:eatvio_app/features/create_plan/repositories/create_plan_repository.dart';
+import 'package:eatvio_app/features/feed/models/diets_pagination_model.dart';
+import 'package:eatvio_app/features/feed/models/plan_pagination_model.dart';
 import 'package:flutter_image_compress/flutter_image_compress.dart';
 import 'package:flutter_test/flutter_test.dart';
 import 'package:mockito/annotations.dart';
@@ -703,6 +705,51 @@ void main() {
       expect(cubit.state.planCreated, false);
     });
 
+    test('loadExisting заполняет форму и обновляет существующий план', () async {
+      const plan = PlanModel(
+        id: 7,
+        slug: 'test-plan',
+        name: 'Test Plan',
+        image: 'cover.jpg',
+        duration: 14,
+        state: 'active',
+        type: PlanType(fit: true, slim: true, behavior: false, wellness: false),
+        details: 'Описание плана',
+        packetsCount: 1,
+        packet1Options: PacketOptions(
+          items: ['Консультации'],
+          price: 1500,
+          short: 'Базовый',
+          description: 'Описание опции',
+          hasPersonalDiet: false,
+        ),
+        author: Author(authorSlug: 'author', authorName: 'Author', authorProfileIcon: 'icon.jpg', authorIsMe: true),
+        totalLikes: 0,
+        totalViews: 0,
+        totalComments: 0,
+        isFavorite: false,
+        minPriceOfOptions: 1500,
+        maxPriceOfOptions: 1500,
+        wasLikedByMe: false,
+      );
+
+      when(repository.updatePublishedPlan(slug: anyNamed('slug'), model: anyNamed('model'))).thenAnswer((_) async {});
+
+      cubit.loadExisting(plan);
+      expect(cubit.sourcePlan?.slug, 'test-plan');
+      expect(cubit.state.planData.name, 'Test Plan');
+      expect(cubit.state.planData.duration, 14);
+      expect(cubit.state.durationIndex, 1);
+      expect(cubit.state.planData.type, [true, true, false, false]);
+      expect(cubit.validateImage(), true);
+
+      await cubit.publishPlan();
+
+      verify(repository.updatePublishedPlan(slug: 'test-plan', model: anyNamed('model'))).called(1);
+      verifyNever(repository.createPlan(model: anyNamed('model')));
+      expect(cubit.state.planCreated, true);
+    });
+
     test('setPlanType - валидирует тип когда хотя бы один выбран', () {
       cubit.setPlanType([true, false, false, false]);
       expect(cubit.state.validationState.typeHasError, false);