[feat] native query count가 제대로 동작하는지 확인(#40)

src/main/java/hyundai/softeer/orange/comment/dto/WriteCommentCountDto.java

@@ -0,0 +1,6 @@
+package hyundai.softeer.orange.comment.dto;
+
+public interface WriteCommentCountDto {
+    Long getEventUserId();
+    Long getCount();
+}

src/main/java/hyundai/softeer/orange/comment/repository/CommentRepository.java

@@ -1,5 +1,6 @@
 package hyundai.softeer.orange.comment.repository;
 
+import hyundai.softeer.orange.comment.dto.WriteCommentCountDto;
 import hyundai.softeer.orange.comment.entity.Comment;
 import org.springframework.data.domain.Page;
 import org.springframework.data.domain.Pageable;
@@ -26,4 +27,13 @@ public interface CommentRepository extends JpaRepository<Comment, Long> {
             countProjection = "c.id", // 어떤 값으로 count 셀건지 지정. 지정 안하면 count(c.*)가 되어 문제 발생.
             nativeQuery = true)
     Page<Comment> findAllByEventId(@Param("eventId") String eventId, Pageable pageable);
+
+    // 이름 매핑 필요. 필드 이름과 직접 매핑.
+    @Query(value = "SELECT c.event_user_id as eventUserId, COUNT(c.event_user_id) as count " +
+            "FROM comment c " +
+            "JOIN event_frame ef ON c.event_frame_id = ef.id " +
+            "JOIN event_metadata e ON ef.id = e.event_frame_id " +
+            "WHERE e.id = :eventRawId " +
+            "GROUP BY c.event_user_id " , nativeQuery = true)
+    List<WriteCommentCountDto> countPerEventUserByEventId(@Param("eventRawId") Long eventRawId);
 }

src/main/resources/sql/CommentRepositoryTest.sql

@@ -0,0 +1,26 @@
+INSERT INTO event_frame(name) VALUES ('test1');
+INSERT INTO event_frame(name) VALUES ('test2');
+
+INSERT INTO event_metadata(event_type, event_frame_id, event_id) VALUES (1, 1, 'HD_240808_001');
+INSERT INTO event_metadata(event_type, event_frame_id, event_id) VALUES (0, 2, 'HD_240808_002');
+
+INSERT INTO event_user(score, event_frame_id, user_id) VALUES (0, 1, 'user1');
+INSERT INTO event_user(score, event_frame_id, user_id) VALUES (0, 1, 'user2');
+INSERT INTO event_user(score, event_frame_id, user_id) VALUES (0, 1, 'user3');
+
+-- 3 comments for user1
+INSERT INTO comment(event_frame_id, event_user_id) VALUES (1, 1);
+INSERT INTO comment(event_frame_id, event_user_id) VALUES (1, 1);
+INSERT INTO comment(event_frame_id, event_user_id) VALUES (1, 1);
+
+-- 6 comments for user2
+INSERT INTO comment(event_frame_id, event_user_id) VALUES (1, 2);
+INSERT INTO comment(event_frame_id, event_user_id) VALUES (1, 2);
+INSERT INTO comment(event_frame_id, event_user_id) VALUES (1, 2);
+INSERT INTO comment(event_frame_id, event_user_id) VALUES (1, 2);
+INSERT INTO comment(event_frame_id, event_user_id) VALUES (1, 2);
+INSERT INTO comment(event_frame_id, event_user_id) VALUES (1, 2);
+
+-- 2 comments for user3
+INSERT INTO comment(event_frame_id, event_user_id) VALUES (1, 3);
+INSERT INTO comment(event_frame_id, event_user_id) VALUES (1, 3);

src/test/java/hyundai/softeer/orange/comment/repository/CommentRepositoryTest.java

@@ -0,0 +1,52 @@
+package hyundai.softeer.orange.comment.repository;
+
+import hyundai.softeer.orange.comment.dto.WriteCommentCountDto;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest;
+import org.springframework.jdbc.core.JdbcTemplate;
+import org.springframework.test.context.TestPropertySource;
+import org.springframework.test.context.jdbc.Sql;
+
+import java.util.List;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+// 매 테스트마다 초기화하는 코드 찾아봐야 할듯?
+@Sql(value = "classpath:sql/CommentRepositoryTest.sql", executionPhase = Sql.ExecutionPhase.BEFORE_TEST_CLASS)
+@DataJpaTest(showSql = false)
+@TestPropertySource(locations = "classpath:application-test.yml")
+class CommentRepositoryTest {
+    @Autowired
+    JdbcTemplate jdbcTemplate;
+
+    @Autowired
+    CommentRepository commentRepository;
+
+
+    @DisplayName("존재하는 대상 이벤트에 대해 작성된 댓글이 있다면 유저 별로 개수를 구해 반환")
+    @Test
+    void getCountOfCommentPerUserIfCommentExist() {
+        List<WriteCommentCountDto> counts = commentRepository.countPerEventUserByEventId(1L);
+
+        assertThat(counts).hasSize(3);
+        assertThat(counts.get(0).getCount()).isEqualTo(3);
+        assertThat(counts.get(1).getCount()).isEqualTo(6);
+        assertThat(counts.get(2).getCount()).isEqualTo(2);
+    }
+
+    @DisplayName("존재하지 않는 대상 이벤트는 빈 배열 반환")
+    @Test
+    void getCountOfCommentPerUserIfEventNotExist() {
+        List<WriteCommentCountDto> counts = commentRepository.countPerEventUserByEventId(3L);
+        assertThat(counts).hasSize(0);
+    }
+
+    @DisplayName("존재해도 댓글 없으면 빈 배열 반환")
+    @Test
+    void getCountOfCommentPerUserIfEventExistButNoComment() {
+        List<WriteCommentCountDto> counts = commentRepository.countPerEventUserByEventId(2L);
+        assertThat(counts).hasSize(0);
+    }
+}

src/test/java/hyundai/softeer/orange/event/draw/component/picker/AccSumBasedWinnerPickerTest.java

@@ -1,19 +1,15 @@
 package hyundai.softeer.orange.event.draw.component.picker;
 
 import lombok.extern.slf4j.Slf4j;
-import org.assertj.core.api.Assertions;
 import org.junit.jupiter.api.DisplayName;
 import org.junit.jupiter.api.Test;
-import org.mockito.Mockito;
 
 import java.util.ArrayList;
-import java.util.Collection;
 import java.util.List;
 import java.util.Random;
 import java.util.stream.Collectors;
 
 import static org.assertj.core.api.Assertions.assertThat;
-import static org.mockito.Mockito.mock;
 
 @Slf4j
 class AccSumBasedWinnerPickerTest {