[#160] test: PostLikeEventHandlerTest 단위테스트로 변경

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

@@ -1,10 +1,12 @@
 package com.mallang.post.application;
 
-import static org.assertj.core.api.Assertions.assertThat;
+import static org.mockito.BDDMockito.then;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.times;
 
-import com.mallang.common.ServiceTest;
-import com.mallang.post.application.command.ClickPostLikeCommand;
-import org.junit.jupiter.api.BeforeEach;
+import com.mallang.post.domain.PostDeleteEvent;
+import com.mallang.post.domain.PostId;
+import com.mallang.post.domain.like.PostLikeRepository;
 import org.junit.jupiter.api.DisplayName;
 import org.junit.jupiter.api.DisplayNameGeneration;
 import org.junit.jupiter.api.DisplayNameGenerator.ReplaceUnderscores;
@@ -14,31 +16,27 @@
 @DisplayName("포스트 좋아요 이벤트 핸들러 (PostLikeEventHandler) 은(는)")
 @SuppressWarnings("NonAsciiCharacters")
 @DisplayNameGeneration(ReplaceUnderscores.class)
-class PostLikeEventHandlerTest extends ServiceTest {
+class PostLikeEventHandlerTest {
 
-    private Long memberId;
-    private String blogName;
-    private Long postId;
-
-    @BeforeEach
-    void setUp() {
-        memberId = 회원을_저장한다("말랑");
-        blogName = 블로그_개설(memberId, "mallang-log");
-        postId = 포스트를_저장한다(memberId, blogName, "포스트", "내용", "태그1").getPostId();
-    }
+    private final PostLikeRepository postLikeRepository = mock(PostLikeRepository.class);
+    private final PostLikeEventHandler postLikeEventHandler = new PostLikeEventHandler(postLikeRepository);
 
     @Nested
     class 포스트_삭제_이벤트를_받아 {
 
         @Test
         void 해당_포스트에_눌린_좋아요를_모두_제거한다() {
-            postLikeService.like(new ClickPostLikeCommand(postId, blogName, memberId, null));
+            // given
+            PostId postId = new PostId(1L, 1L);
+            PostDeleteEvent postDeleteEvent = new PostDeleteEvent(postId);
 
             // when
-            포스트를_삭제한다(memberId, postId, blogName);
+            postLikeEventHandler.deletePostLike(postDeleteEvent);
 
             // then
-            assertThat(postLikeRepository.findByPostAndMember(postId, blogName, memberId)).isEmpty();
+            then(postLikeRepository)
+                    .should(times(1))
+                    .deleteAllByPostId(postId);
         }
     }
 }