feat(post_creation): added multiple image posts creation and validation

test/features/blog_post_create/advanced_widget_test.dart

@@ -21,10 +21,18 @@ void main() {
 
     setUp(() {
       blogPostRepository = FixtureBlogPostRepository();
-      blogPostCreateCubit = BlogPostCreateCubit(blogPostRepository: blogPostRepository);
-      fullCreateFixture = FixtureReader.readAsMap('blog_post_create/create_request_full.json');
-      updateFixture = FixtureReader.readAsMap('blog_post_create/update_request.json');
-      deleteFixture = FixtureReader.readAsMap('blog_post_create/delete_request.json');
+      blogPostCreateCubit = BlogPostCreateCubit(
+        blogPostRepository: blogPostRepository,
+      );
+      fullCreateFixture = FixtureReader.readAsMap(
+        'blog_post_create/create_request_full.json',
+      );
+      updateFixture = FixtureReader.readAsMap(
+        'blog_post_create/update_request.json',
+      );
+      deleteFixture = FixtureReader.readAsMap(
+        'blog_post_create/delete_request.json',
+      );
     });
 
     tearDown(() {
@@ -41,7 +49,9 @@ void main() {
       );
     }
 
-    testWidgets('should handle blog post creation with all fields', (WidgetTester tester) async {
+    testWidgets('should handle blog post creation with all fields', (
+      WidgetTester tester,
+    ) async {
       // Arrange
       Widget formWidget = Column(
         children: [
@@ -69,7 +79,6 @@ void main() {
                 title: fullCreateFixture['title'] as String?,
                 description: fullCreateFixture['description_md'] as String?,
                 videoUrl: fullCreateFixture['video_url'] as String?,
-                image: null,
               );
             },
             child: const Text('Опубликовать'),
@@ -81,9 +90,18 @@ void main() {
       await tester.pumpWidget(createTestWidget(formWidget));
       await tester.pumpAndSettle();
 
-      await tester.enterText(find.byKey(AppKeys.blogPostCreateScreenTitleTextField), fullCreateFixture['title'] as String);
-      await tester.enterText(find.byKey(AppKeys.blogPostCreateScreenContentTextField), fullCreateFixture['description_md'] as String);
-      await tester.enterText(find.byKey(AppKeys.blogPostCreateScreenVideoLinkTextField), fullCreateFixture['video_url'] as String);
+      await tester.enterText(
+        find.byKey(AppKeys.blogPostCreateScreenTitleTextField),
+        fullCreateFixture['title'] as String,
+      );
+      await tester.enterText(
+        find.byKey(AppKeys.blogPostCreateScreenContentTextField),
+        fullCreateFixture['description_md'] as String,
+      );
+      await tester.enterText(
+        find.byKey(AppKeys.blogPostCreateScreenVideoLinkTextField),
+        fullCreateFixture['video_url'] as String,
+      );
       await tester.pump();
 
       await tester.tap(find.byKey(AppKeys.blogPostCreateScreenCreateButton));
@@ -96,7 +114,9 @@ void main() {
       );
     });
 
-    testWidgets('should handle blog post creation with image', (WidgetTester tester) async {
+    testWidgets('should handle blog post creation with image', (
+      WidgetTester tester,
+    ) async {
       // Arrange
       final expectedPayload = Map<String, dynamic>.from(fullCreateFixture);
       expectedPayload['video_url'] = null;
@@ -129,7 +149,11 @@ void main() {
                 child: Column(
                   mainAxisAlignment: MainAxisAlignment.center,
                   children: [
-                    Icon(Icons.add_photo_alternate, size: 48, color: Colors.grey),
+                    Icon(
+                      Icons.add_photo_alternate,
+                      size: 48,
+                      color: Colors.grey,
+                    ),
                     SizedBox(height: 8),
                     Text('Добавить изображение'),
                   ],
@@ -145,7 +169,6 @@ void main() {
                 title: fullCreateFixture['title'] as String?,
                 description: fullCreateFixture['description_md'] as String?,
                 videoUrl: null,
-                image: null, // В реальном тесте здесь был бы XFile
               );
             },
             child: const Text('Опубликовать'),
@@ -157,15 +180,24 @@ void main() {
       await tester.pumpWidget(createTestWidget(formWidget));
       await tester.pumpAndSettle();
 
-      await tester.enterText(find.byKey(AppKeys.blogPostCreateScreenTitleTextField), fullCreateFixture['title'] as String);
-      await tester.enterText(find.byKey(AppKeys.blogPostCreateScreenContentTextField), fullCreateFixture['description_md'] as String);
+      await tester.enterText(
+        find.byKey(AppKeys.blogPostCreateScreenTitleTextField),
+        fullCreateFixture['title'] as String,
+      );
+      await tester.enterText(
+        find.byKey(AppKeys.blogPostCreateScreenContentTextField),
+        fullCreateFixture['description_md'] as String,
+      );
       await tester.pump();
 
       await tester.tap(find.byKey(AppKeys.blogPostCreateScreenCreateButton));
       await tester.pump();
 
       // Assert
-      expect(blogPostRepository.createPayloads.single.toJson(), expectedPayload);
+      expect(
+        blogPostRepository.createPayloads.single.toJson(),
+        expectedPayload,
+      );
     });
 
     testWidgets('should handle blog post update', (WidgetTester tester) async {
@@ -175,7 +207,12 @@ void main() {
         state: 'published',
         image: 'original_image.jpg',
         description: 'Original Description',
-        author: const Author(authorSlug: 'test-author', authorName: 'Test Author', authorProfileIcon: 'avatar.jpg', authorIsMe: true),
+        author: const Author(
+          authorSlug: 'test-author',
+          authorName: 'Test Author',
+          authorProfileIcon: 'avatar.jpg',
+          authorIsMe: true,
+        ),
         videoUrl: 'https://youtube.com/watch?v=original',
         createdAt: DateTime.now(),
         updatedAt: DateTime.now(),
@@ -216,8 +253,9 @@ void main() {
                 title: updateFixture['title'] as String?,
                 description: updateFixture['description_md'] as String?,
                 videoUrl: updateFixture['video_url'] as String?,
-                image: null,
-                oldImageUrl: updateFixture['old_image_url'] as String?,
+                existingMediaIds: List<int>.from(
+                  updateFixture['existing_media_ids'] as List,
+                ),
               );
             },
             child: const Text('Обновить'),
@@ -229,9 +267,18 @@ void main() {
       await tester.pumpWidget(createTestWidget(formWidget));
       await tester.pumpAndSettle();
 
-      await tester.enterText(find.byKey(AppKeys.blogPostCreateScreenTitleTextField), updateFixture['title'] as String);
-      await tester.enterText(find.byKey(AppKeys.blogPostCreateScreenContentTextField), updateFixture['description_md'] as String);
-      await tester.enterText(find.byKey(AppKeys.blogPostCreateScreenVideoLinkTextField), updateFixture['video_url'] as String);
+      await tester.enterText(
+        find.byKey(AppKeys.blogPostCreateScreenTitleTextField),
+        updateFixture['title'] as String,
+      );
+      await tester.enterText(
+        find.byKey(AppKeys.blogPostCreateScreenContentTextField),
+        updateFixture['description_md'] as String,
+      );
+      await tester.enterText(
+        find.byKey(AppKeys.blogPostCreateScreenVideoLinkTextField),
+        updateFixture['video_url'] as String,
+      );
       await tester.pump();
 
       await tester.tap(find.byKey(AppKeys.blogPostCreateScreenCreateButton));
@@ -241,7 +288,9 @@ void main() {
       expect(blogPostRepository.updatePayloads.single.toJson(), updateFixture);
     });
 
-    testWidgets('should handle blog post deletion', (WidgetTester tester) async {
+    testWidgets('should handle blog post deletion', (
+      WidgetTester tester,
+    ) async {
       // Arrange
       Widget deleteWidget = ElevatedButton(
         key: const Key('deleteBlogPostButton'),
@@ -262,18 +311,21 @@ void main() {
       expect(blogPostRepository.deleteCalls.single, deleteFixture['id']);
     });
 
-    testWidgets('should handle loading state during blog post creation', (WidgetTester tester) async {
+    testWidgets('should handle loading state during blog post creation', (
+      WidgetTester tester,
+    ) async {
       // Arrange
       blogPostRepository.createDelay = const Duration(milliseconds: 50);
 
-      Widget loadingWidget = BlocBuilder<BlogPostCreateCubit, BlogPostCreateState>(
-        builder: (context, state) {
-          if (state is BlogPostCreateStateLoading) {
-            return const Center(child: CircularProgressIndicator());
-          }
-          return const Text('Not Loading');
-        },
-      );
+      Widget loadingWidget =
+          BlocBuilder<BlogPostCreateCubit, BlogPostCreateState>(
+            builder: (context, state) {
+              if (state.isLoading) {
+                return const Center(child: CircularProgressIndicator());
+              }
+              return const Text('Not Loading');
+            },
+          );
 
       // Act
       await tester.pumpWidget(createTestWidget(loadingWidget));
@@ -284,7 +336,6 @@ void main() {
         title: fullCreateFixture['title'] as String?,
         videoUrl: null,
         description: fullCreateFixture['description_md'] as String?,
-        image: null,
       );
       await tester.pump();
       await tester.pump(); // Need to pump twice to get the loading state
@@ -297,18 +348,21 @@ void main() {
       await tester.pumpAndSettle();
     });
 
-    testWidgets('should handle error state during blog post creation', (WidgetTester tester) async {
+    testWidgets('should handle error state during blog post creation', (
+      WidgetTester tester,
+    ) async {
       // Arrange
       blogPostRepository.createError = Exception('Network error');
 
-      Widget errorWidget = BlocBuilder<BlogPostCreateCubit, BlogPostCreateState>(
-        builder: (context, state) {
-          if (state is BlogPostCreateStateError) {
-            return Center(child: Text('Error: ${state.errorMessage}'));
-          }
-          return const Text('No Error');
-        },
-      );
+      Widget errorWidget =
+          BlocBuilder<BlogPostCreateCubit, BlogPostCreateState>(
+            builder: (context, state) {
+              if (state.errorMessage != null) {
+                return Center(child: Text('Error: ${state.errorMessage}'));
+              }
+              return const Text('No Error');
+            },
+          );
 
       // Act
       await tester.pumpWidget(createTestWidget(errorWidget));
@@ -319,7 +373,6 @@ void main() {
         title: fullCreateFixture['title'] as String?,
         videoUrl: null,
         description: fullCreateFixture['description_md'] as String?,
-        image: null,
       );
       await tester.pump();
       await tester.pump(); // Need to pump twice to get the error state
@@ -328,16 +381,21 @@ void main() {
       expect(find.textContaining('Error:'), findsOneWidget);
     });
 
-    testWidgets('should handle success state after blog post creation', (WidgetTester tester) async {
+    testWidgets('should handle success state after blog post creation', (
+      WidgetTester tester,
+    ) async {
       // Arrange
-      Widget successWidget = BlocBuilder<BlogPostCreateCubit, BlogPostCreateState>(
-        builder: (context, state) {
-          if (state is BlogPostCreateStateLoaded) {
-            return const Center(child: Text('Blog post created successfully!'));
-          }
-          return const Text('Not Loaded');
-        },
-      );
+      Widget successWidget =
+          BlocBuilder<BlogPostCreateCubit, BlogPostCreateState>(
+            builder: (context, state) {
+              if (state.isSuccess) {
+                return const Center(
+                  child: Text('Blog post created successfully!'),
+                );
+              }
+              return const Text('Not Loaded');
+            },
+          );
 
       // Act
       await tester.pumpWidget(createTestWidget(successWidget));
@@ -348,7 +406,6 @@ void main() {
         title: fullCreateFixture['title'] as String?,
         videoUrl: null,
         description: fullCreateFixture['description_md'] as String?,
-        image: null,
       );
       await tester.pump();
       await tester.pump(); // Need to pump twice to get the success state
@@ -357,23 +414,35 @@ void main() {
       expect(find.text('Blog post created successfully!'), findsOneWidget);
     });
 
-    testWidgets('should validate form fields before submission', (WidgetTester tester) async {
+    testWidgets('should validate form fields before submission', (
+      WidgetTester tester,
+    ) async {
       // Arrange
       Widget validationWidget = Column(
         children: [
           TextFormField(
             key: AppKeys.blogPostCreateScreenTitleTextField,
-            decoration: const InputDecoration(labelText: 'Заголовок', errorText: 'Заголовок не может быть пустым'),
+            decoration: const InputDecoration(
+              labelText: 'Заголовок',
+              errorText: 'Заголовок не может быть пустым',
+            ),
           ),
           const SizedBox(height: 16),
           TextFormField(
             key: AppKeys.blogPostCreateScreenContentTextField,
-            decoration: const InputDecoration(labelText: 'Описание', errorText: 'Описание не может быть пустым'),
+            decoration: const InputDecoration(
+              labelText: 'Описание',
+              errorText: 'Описание не может быть пустым',
+            ),
             maxLines: 6,
             minLines: 4,
           ),
           const SizedBox(height: 16),
-          ElevatedButton(key: AppKeys.blogPostCreateScreenCreateButton, onPressed: () {}, child: const Text('Опубликовать')),
+          ElevatedButton(
+            key: AppKeys.blogPostCreateScreenCreateButton,
+            onPressed: () {},
+            child: const Text('Опубликовать'),
+          ),
         ],
       );
 
@@ -386,7 +455,9 @@ void main() {
       expect(find.text('Описание не может быть пустым'), findsOneWidget);
     });
 
-    testWidgets('should handle image picker interaction', (WidgetTester tester) async {
+    testWidgets('should handle image picker interaction', (
+      WidgetTester tester,
+    ) async {
       // Arrange
       bool imagePickerCalled = false;
       Widget imagePickerWidget = GestureDetector(
@@ -425,16 +496,25 @@ void main() {
       expect(imagePickerCalled, isTrue);
     });
 
-    testWidgets('should handle video URL validation', (WidgetTester tester) async {
+    testWidgets('should handle video URL validation', (
+      WidgetTester tester,
+    ) async {
       // Arrange
       Widget videoValidationWidget = Column(
         children: [
           TextFormField(
             key: AppKeys.blogPostCreateScreenVideoLinkTextField,
-            decoration: const InputDecoration(labelText: 'Ссылка на видео', errorText: 'Введите корректную ссылку на видео'),
+            decoration: const InputDecoration(
+              labelText: 'Ссылка на видео',
+              errorText: 'Введите корректную ссылку на видео',
+            ),
           ),
           const SizedBox(height: 16),
-          ElevatedButton(key: AppKeys.blogPostCreateScreenCreateButton, onPressed: () {}, child: const Text('Опубликовать')),
+          ElevatedButton(
+            key: AppKeys.blogPostCreateScreenCreateButton,
+            onPressed: () {},
+            child: const Text('Опубликовать'),
+          ),
         ],
       );
 
@@ -446,7 +526,9 @@ void main() {
       expect(find.text('Введите корректную ссылку на видео'), findsOneWidget);
     });
 
-    testWidgets('should handle form submission with empty fields', (WidgetTester tester) async {
+    testWidgets('should handle form submission with empty fields', (
+      WidgetTester tester,
+    ) async {
       // Arrange
       Widget emptyFormWidget = Column(
         children: [
@@ -465,7 +547,11 @@ void main() {
           ElevatedButton(
             key: AppKeys.blogPostCreateScreenCreateButton,
             onPressed: () async {
-              await blogPostCreateCubit.createBlogPost(title: '', videoUrl: '', description: '', image: null);
+              await blogPostCreateCubit.createBlogPost(
+                title: '',
+                videoUrl: '',
+                description: '',
+              );
             },
             child: const Text('Опубликовать'),
           ),
@@ -479,14 +565,14 @@ void main() {
       await tester.tap(find.byKey(AppKeys.blogPostCreateScreenCreateButton));
       await tester.pump();
 
-      // Assert
-      expect(
-        blogPostRepository.createPayloads.single.toJson(),
-        {'title': '', 'description_md': '', 'video_url': '', 'image_name': null},
-      );
+      // Assert — invalid empty payload must not reach the repository
+      expect(blogPostRepository.createPayloads, isEmpty);
+      expect(blogPostCreateCubit.state.hasValidationErrors, isTrue);
     });
 
-    testWidgets('should handle blog post creation with long content', (WidgetTester tester) async {
+    testWidgets('should handle blog post creation with long content', (
+      WidgetTester tester,
+    ) async {
       // Arrange
       const longContent =
           'Это очень длинное описание блог поста, которое содержит много текста и должно быть правильно обработано системой. '
@@ -510,7 +596,11 @@ void main() {
           ElevatedButton(
             key: AppKeys.blogPostCreateScreenCreateButton,
             onPressed: () async {
-              await blogPostCreateCubit.createBlogPost(title: 'Test Title', videoUrl: null, description: longContent, image: null);
+              await blogPostCreateCubit.createBlogPost(
+                title: 'Test Title',
+                videoUrl: null,
+                description: longContent,
+              );
             },
             child: const Text('Опубликовать'),
           ),
@@ -521,23 +611,26 @@ void main() {
       await tester.pumpWidget(createTestWidget(longContentWidget));
       await tester.pumpAndSettle();
 
-      await tester.enterText(find.byKey(AppKeys.blogPostCreateScreenTitleTextField), 'Test Title');
-      await tester.enterText(find.byKey(AppKeys.blogPostCreateScreenContentTextField), longContent);
+      await tester.enterText(
+        find.byKey(AppKeys.blogPostCreateScreenTitleTextField),
+        'Test Title',
+      );
+      await tester.enterText(
+        find.byKey(AppKeys.blogPostCreateScreenContentTextField),
+        longContent,
+      );
       await tester.pump();
 
       await tester.tap(find.byKey(AppKeys.blogPostCreateScreenCreateButton));
       await tester.pump();
 
       // Assert
-      expect(
-        blogPostRepository.createPayloads.single.toJson(),
-        {
-          'title': 'Test Title',
-          'description_md': longContent,
-          'video_url': null,
-          'image_name': null,
-        },
-      );
+      expect(blogPostRepository.createPayloads.single.toJson(), {
+        'title': 'Test Title',
+        'description_md': longContent,
+        'video_url': null,
+        'image_name': null,
+      });
     });
   });
 }