Merge remote-tracking branch 'origin/backend-main' into backend-main

woowacourse-teams · Aug 17, 2023 · b21af29 · b21af29
2 parents 81a66f3 + 9d1811b
commit b21af29
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diff --git a/backend/emm-sale/src/main/java/com/emmsale/comment/domain/Comment.java b/backend/emm-sale/src/main/java/com/emmsale/comment/domain/Comment.java
@@ -1,6 +1,9 @@
 package com.emmsale.comment.domain;
 
+import static com.emmsale.comment.exception.CommentExceptionType.NOT_CREATE_CHILD_CHILD_COMMENT;
+
 import com.emmsale.base.BaseEntity;
+import com.emmsale.comment.exception.CommentException;
 import com.emmsale.event.domain.Event;
 import com.emmsale.member.domain.Member;
 import java.util.List;
@@ -69,9 +72,17 @@ public static Comment createChild(
       final Member member,
       final String content
   ) {
+    if (isGrandChildComment(parent)) {
+      throw new CommentException(NOT_CREATE_CHILD_CHILD_COMMENT);
+    }
+
     return new Comment(event, parent, member, content);
   }
 
+  private static boolean isGrandChildComment(final Comment parent) {
+    return parent.parent != null;
+  }
+
   public void delete() {
     isDeleted = true;
     content = DELETED_COMMENT_MESSAGE;

diff --git a/backend/emm-sale/src/main/java/com/emmsale/comment/exception/CommentExceptionType.java b/backend/emm-sale/src/main/java/com/emmsale/comment/exception/CommentExceptionType.java
@@ -28,6 +28,11 @@ public enum CommentExceptionType implements BaseExceptionType {
   NOT_EVENT_AND_MEMBER_ID_BOTH_NULL(
       HttpStatus.BAD_REQUEST,
       "댓글 조회할 때 행사 또는 사용자의 ID 둘 다 NULL일 수는 없습니다"
+  ),
+
+  NOT_CREATE_CHILD_CHILD_COMMENT(
+      HttpStatus.BAD_REQUEST,
+      "대대댓글은 작성할 수 없습니다."
   )
 
   ;

diff --git a/backend/emm-sale/src/test/java/com/emmsale/comment/domain/CommentTest.java b/backend/emm-sale/src/test/java/com/emmsale/comment/domain/CommentTest.java
@@ -1,9 +1,12 @@
 package com.emmsale.comment.domain;
 
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
 import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.mockito.Mockito.spy;
 import static org.mockito.Mockito.when;
 
+import com.emmsale.comment.exception.CommentException;
+import com.emmsale.comment.exception.CommentExceptionType;
 import com.emmsale.event.EventFixture;
 import com.emmsale.event.domain.Event;
 import com.emmsale.member.MemberFixture;
@@ -92,4 +95,21 @@ void test_isNotDeleted(final Comment comment, final boolean result) throws Excep
     //when & then
     assertEquals(comment.isNotDeleted(), result);
   }
+
+  @Test
+  @DisplayName("createChild() : 대대댓글은 작성할 경우 NOT_CREATE_CHILD_CHILD_COMMENT 발생할 수 있다.")
+  void test_createChild_not_create_child_child_comment() throws Exception {
+    //given
+    final Event event = EventFixture.구름톤();
+    final Member member = new Member(1333L, "imageUrl", "usrename");
+
+    final Comment root = Comment.createRoot(event, member, "부모내용");
+    final Comment child1 = Comment.createChild(event, root, member, "자식내용1");
+    final Comment child2 = Comment.createChild(event, root, member, "자식내용2");
+
+    //when & then
+    assertThatThrownBy(() -> Comment.createChild(event, child1, member, "자자식댓글1"))
+        .isInstanceOf(CommentException.class)
+        .hasMessage(CommentExceptionType.NOT_CREATE_CHILD_CHILD_COMMENT.errorMessage());
+  }
 }