优化目录结构

backend/src/test/java/com/openisle/service/PostServiceTest.java

@@ -0,0 +1,83 @@
+package com.openisle.service;
+
+import com.openisle.model.*;
+import com.openisle.repository.*;
+import com.openisle.exception.RateLimitException;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+import java.util.Optional;
+import java.util.List;
+
+import static org.mockito.Mockito.*;
+
+class PostServiceTest {
+    @Test
+    void deletePostRemovesReads() {
+        PostRepository postRepo = mock(PostRepository.class);
+        UserRepository userRepo = mock(UserRepository.class);
+        CategoryRepository catRepo = mock(CategoryRepository.class);
+        TagRepository tagRepo = mock(TagRepository.class);
+        NotificationService notifService = mock(NotificationService.class);
+        SubscriptionService subService = mock(SubscriptionService.class);
+        CommentService commentService = mock(CommentService.class);
+        CommentRepository commentRepo = mock(CommentRepository.class);
+        ReactionRepository reactionRepo = mock(ReactionRepository.class);
+        PostSubscriptionRepository subRepo = mock(PostSubscriptionRepository.class);
+        NotificationRepository notificationRepo = mock(NotificationRepository.class);
+        PostReadService postReadService = mock(PostReadService.class);
+        ImageUploader imageUploader = mock(ImageUploader.class);
+
+        PostService service = new PostService(postRepo, userRepo, catRepo, tagRepo,
+                notifService, subService, commentService, commentRepo,
+                reactionRepo, subRepo, notificationRepo, postReadService,
+                imageUploader, PublishMode.DIRECT);
+
+        Post post = new Post();
+        post.setId(1L);
+        User author = new User();
+        author.setId(1L);
+        author.setRole(Role.USER);
+        post.setAuthor(author);
+
+        when(postRepo.findById(1L)).thenReturn(Optional.of(post));
+        when(userRepo.findByUsername("alice")).thenReturn(Optional.of(author));
+        when(commentRepo.findByPostAndParentIsNullOrderByCreatedAtAsc(post)).thenReturn(List.of());
+        when(reactionRepo.findByPost(post)).thenReturn(List.of());
+        when(subRepo.findByPost(post)).thenReturn(List.of());
+        when(notificationRepo.findByPost(post)).thenReturn(List.of());
+
+        service.deletePost(1L, "alice");
+
+        verify(postReadService).deleteByPost(post);
+        verify(postRepo).delete(post);
+    }
+
+    @Test
+    void createPostRespectsRateLimit() {
+        PostRepository postRepo = mock(PostRepository.class);
+        UserRepository userRepo = mock(UserRepository.class);
+        CategoryRepository catRepo = mock(CategoryRepository.class);
+        TagRepository tagRepo = mock(TagRepository.class);
+        NotificationService notifService = mock(NotificationService.class);
+        SubscriptionService subService = mock(SubscriptionService.class);
+        CommentService commentService = mock(CommentService.class);
+        CommentRepository commentRepo = mock(CommentRepository.class);
+        ReactionRepository reactionRepo = mock(ReactionRepository.class);
+        PostSubscriptionRepository subRepo = mock(PostSubscriptionRepository.class);
+        NotificationRepository notificationRepo = mock(NotificationRepository.class);
+        PostReadService postReadService = mock(PostReadService.class);
+        ImageUploader imageUploader = mock(ImageUploader.class);
+
+        PostService service = new PostService(postRepo, userRepo, catRepo, tagRepo,
+                notifService, subService, commentService, commentRepo,
+                reactionRepo, subRepo, notificationRepo, postReadService,
+                imageUploader, PublishMode.DIRECT);
+
+        when(postRepo.countByAuthorAfter(eq("alice"), any())).thenReturn(1L);
+
+        assertThrows(RateLimitException.class,
+                () -> service.createPost("alice", 1L, "t", "c", List.of(1L)));
+    }
+}