feat: TieredCategory에서 블로그 의존성 제거

src/main/java/com/mallang/category/TieredCategory.java

@@ -8,7 +8,6 @@
 import static lombok.AccessLevel.PROTECTED;
 
 import com.mallang.auth.domain.Member;
-import com.mallang.blog.domain.Blog;
 import com.mallang.common.domain.CommonRootEntity;
 import jakarta.annotation.Nullable;
 import jakarta.persistence.GeneratedValue;
@@ -38,15 +37,9 @@ public abstract class TieredCategory<T extends TieredCategory<T>> extends Common
     @JoinColumn(name = "owner_id", nullable = false)
     protected Member owner;
 
-    @ManyToOne(fetch = LAZY)
-    @JoinColumn(name = "blog_id", nullable = false)
-    protected Blog blog;
-
-    protected TieredCategory(String name, Member owner, Blog blog) {
+    protected TieredCategory(String name, Member owner) {
         this.name = name;
         this.owner = owner;
-        this.blog = blog;
-        blog.validateOwner(owner);
     }
 
     public abstract void validateOwner(Member member);

src/main/java/com/mallang/post/domain/PostCategory.java

@@ -36,8 +36,14 @@ public class PostCategory extends TieredCategory<PostCategory> {
     @JoinColumn(name = "next_sibling_id")
     private PostCategory nextSibling;
 
+    @ManyToOne(fetch = LAZY)
+    @JoinColumn(name = "blog_id", nullable = false)
+    protected Blog blog;
+
     public PostCategory(String name, Member owner, Blog blog) {
-        super(name, owner, blog);
+        super(name, owner);
+        this.blog = blog;
+        blog.validateOwner(owner);
     }
 
     @Override

src/main/resources/application.yml

@@ -2,12 +2,12 @@ spring:
   jpa:
     hibernate:
       ddl-auto: create
-    show-sql: true
-    properties:
-      hibernate:
-        format_sql: true
-        use_sql_comments: true
-        highlight_sql: true
+#    show-sql: true
+#    properties:
+#      hibernate:
+#        format_sql: true
+#        use_sql_comments: true
+#        highlight_sql: true
 
 auth:
   oauth:

src/test/java/com/mallang/acceptance/post/PostCategoryAcceptanceTest.java

@@ -36,7 +36,7 @@
 import org.junit.jupiter.api.Nested;
 import org.junit.jupiter.api.Test;
 
-@DisplayName("카테고리 인수테스트")
+@DisplayName("포스트 카테고리 인수테스트")
 @SuppressWarnings("NonAsciiCharacters")
 @DisplayNameGeneration(ReplaceUnderscores.class)
 class PostCategoryAcceptanceTest extends AcceptanceTest {

src/test/java/com/mallang/post/application/PostCategoryServiceTest.java

@@ -21,7 +21,7 @@
 import org.junit.jupiter.api.Nested;
 import org.junit.jupiter.api.Test;
 
-@DisplayName("카테고리 서비스 (PostCategoryService) 은(는)")
+@DisplayName("포스트 카테고리 서비스 (PostCategoryService) 은(는)")
 @SuppressWarnings("NonAsciiCharacters")
 @DisplayNameGeneration(ReplaceUnderscores.class)
 class PostCategoryServiceTest extends ServiceTest {

src/test/java/com/mallang/post/domain/PostCategoryTest.java

@@ -2,44 +2,62 @@
 
 import static com.mallang.post.PostCategoryFixture.루트_카테고리;
 import static com.mallang.post.PostCategoryFixture.하위_카테고리;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
 
 import com.mallang.auth.domain.Member;
 import com.mallang.blog.domain.Blog;
+import com.mallang.blog.exception.NoAuthorityBlogException;
 import com.mallang.category.TieredCategoryTestTemplate;
 import com.mallang.post.exception.NoAuthorityPostCategoryException;
 import org.junit.jupiter.api.DisplayName;
 import org.junit.jupiter.api.DisplayNameGeneration;
 import org.junit.jupiter.api.DisplayNameGenerator.ReplaceUnderscores;
+import org.junit.jupiter.api.Nested;
+import org.junit.jupiter.api.Test;
 
-@DisplayName("카테고리 (PostCategory) 은(는)")
+@DisplayName("포스트 카테고리 (PostCategory) 은(는)")
 @SuppressWarnings("NonAsciiCharacters")
 @DisplayNameGeneration(ReplaceUnderscores.class)
 class PostCategoryTest extends TieredCategoryTestTemplate<PostCategory> {
 
     @Override
-    protected PostCategory createRoot(String name, Member owner, Blog blog) {
-        return 루트_카테고리(name, owner, blog);
+    protected PostCategory createRoot(String name, Member owner) {
+        return 루트_카테고리(name, owner, new Blog("blog", owner));
     }
 
     @Override
-    protected PostCategory createChild(String name, Member owner, Blog blog, PostCategory parent) {
-        return 하위_카테고리(name, owner, blog, parent);
+    protected PostCategory createChild(String name, Member owner, PostCategory parent) {
+        return 하위_카테고리(name, owner, new Blog("blog", owner), parent);
     }
 
     @Override
     protected PostCategory createChild(
             String name,
             Member owner,
-            Blog blog,
             PostCategory parent,
             PostCategory prev,
             PostCategory next
     ) {
-        return 하위_카테고리(name, owner, blog, parent, prev, next);
+        return 하위_카테고리(name, owner, new Blog("blog", owner), parent, prev, next);
     }
 
     @Override
     protected Class<?> 권한_없음_예외() {
         return NoAuthorityPostCategoryException.class;
     }
+
+    @Nested
+    class 생성_시 extends TieredCategoryTestTemplate<PostCategory>.생성_시 {
+
+        @Test
+        void 다른_사람의_블로그에_카테고리_생성_시도_시_예외() {
+            // given
+            Blog otherBlog = new Blog("other", otherMember);
+
+            // when & then
+            assertThatThrownBy(() -> {
+                new PostCategory("root", member, otherBlog);
+            }).isInstanceOf(NoAuthorityBlogException.class);
+        }
+    }
 }

src/test/java/com/mallang/post/query/PostCategoryQueryServiceTest.java

@@ -11,7 +11,7 @@
 import org.junit.jupiter.api.DisplayNameGenerator.ReplaceUnderscores;
 import org.junit.jupiter.api.Test;
 
-@DisplayName("카테고리 조회 서비스 (PostCategoryQueryService) 은(는)")
+@DisplayName("포스트 카테고리 조회 서비스 (PostCategoryQueryService) 은(는)")
 @SuppressWarnings("NonAsciiCharacters")
 @DisplayNameGeneration(ReplaceUnderscores.class)
 class PostCategoryQueryServiceTest extends ServiceTest {