Add rate limit for posts and comments

src/test/java/com/openisle/service/CommentServiceTest.java

@@ -0,0 +1,37 @@
+package com.openisle.service;
+
+import com.openisle.repository.CommentRepository;
+import com.openisle.repository.PostRepository;
+import com.openisle.repository.UserRepository;
+import com.openisle.repository.ReactionRepository;
+import com.openisle.repository.CommentSubscriptionRepository;
+import com.openisle.repository.NotificationRepository;
+import com.openisle.exception.RateLimitException;
+import org.junit.jupiter.api.Test;
+
+
+import static org.junit.jupiter.api.Assertions.*;
+import static org.mockito.Mockito.*;
+
+class CommentServiceTest {
+    @Test
+    void addCommentRespectsRateLimit() {
+        CommentRepository commentRepo = mock(CommentRepository.class);
+        PostRepository postRepo = mock(PostRepository.class);
+        UserRepository userRepo = mock(UserRepository.class);
+        NotificationService notifService = mock(NotificationService.class);
+        SubscriptionService subService = mock(SubscriptionService.class);
+        ReactionRepository reactionRepo = mock(ReactionRepository.class);
+        CommentSubscriptionRepository subRepo = mock(CommentSubscriptionRepository.class);
+        NotificationRepository nRepo = mock(NotificationRepository.class);
+        ImageUploader imageUploader = mock(ImageUploader.class);
+
+        CommentService service = new CommentService(commentRepo, postRepo, userRepo,
+                notifService, subService, reactionRepo, subRepo, nRepo, imageUploader);
+
+        when(commentRepo.countByAuthorAfter(eq("alice"), any())).thenReturn(3L);
+
+        assertThrows(RateLimitException.class,
+                () -> service.addComment("alice", 1L, "hi"));
+    }
+}

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

@@ -2,6 +2,7 @@ package com.openisle.service;
 
 import com.openisle.model.*;
 import com.openisle.repository.*;
+import com.openisle.exception.RateLimitException;
 import org.junit.jupiter.api.Test;
 
 import java.util.Optional;
@@ -50,4 +51,31 @@ class PostServiceTest {
         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)));
+    }
 }