test: 그룹 쿼리 테스트 작성

src/test/java/daybyquest/group/query/GroupDaoQuerydslImplTest.java

@@ -0,0 +1,97 @@
+package daybyquest.group.query;
+
+import static daybyquest.support.fixture.GroupFixtures.GROUP_1;
+import static daybyquest.support.fixture.UserFixtures.ALICE;
+import static daybyquest.support.fixture.UserFixtures.BOB;
+import static daybyquest.support.fixture.UserFixtures.CHARLIE;
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
+import static org.junit.jupiter.api.Assertions.assertAll;
+
+import daybyquest.global.error.exception.NotExistGroupException;
+import daybyquest.group.domain.Group;
+import daybyquest.group.domain.GroupUser;
+import daybyquest.support.test.QuerydslTest;
+import daybyquest.user.domain.User;
+import jakarta.persistence.EntityManager;
+import jakarta.persistence.PersistenceContext;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.context.annotation.Import;
+
+@Import(GroupDaoQuerydslImpl.class)
+public class GroupDaoQuerydslImplTest extends QuerydslTest {
+
+    @Autowired
+    private GroupDaoQuerydslImpl groupDao;
+
+    @PersistenceContext
+    private EntityManager entityManager;
+
+    @Test
+    void 그룹_ID로_데이터를_조회한다() {
+        // given
+        final User user = entityManager.merge(BOB.생성());
+        final Group group = entityManager.merge(GROUP_1.생성());
+
+        // when
+        final GroupData groupData = groupDao.getById(user.getId(), group.getId());
+
+        // then
+        assertAll(() -> {
+            assertThat(groupData.getInterest()).isEqualTo(GROUP_1.interest);
+            assertThat(groupData.getName()).isEqualTo(GROUP_1.name);
+            assertThat(groupData.getDescription()).isEqualTo(GROUP_1.description);
+            assertThat(groupData.getImageIdentifier()).isEqualTo(GROUP_1.imageIdentifier);
+            assertThat(groupData.getUserCount()).isZero();
+            assertThat(groupData.isGroupManager()).isFalse();
+        });
+    }
+
+    @Test
+    void 그룹_인원_수가_함께_조회된다() {
+        // given
+        final User bob = entityManager.merge(BOB.생성());
+        final User alice = entityManager.merge(ALICE.생성());
+        final User charlie = entityManager.merge(CHARLIE.생성());
+        final Group group = entityManager.merge(GROUP_1.생성());
+
+        entityManager.merge(GroupUser.createGroupMember(bob.getId(), group));
+        entityManager.merge(GroupUser.createGroupMember(alice.getId(), group));
+        entityManager.merge(GroupUser.createGroupManager(charlie.getId(), group));
+
+        // when
+        final GroupData groupData = groupDao.getById(bob.getId(), group.getId());
+
+        // then
+        assertThat(groupData.getUserCount()).isEqualTo(3);
+    }
+
+    @Test
+    void 그룹_관리자_여부가_함께_조회된다() {
+        // given
+        final User bob = entityManager.merge(BOB.생성());
+        final User alice = entityManager.merge(ALICE.생성());
+        final Group group = entityManager.merge(GROUP_1.생성());
+
+        entityManager.merge(GroupUser.createGroupMember(bob.getId(), group));
+        entityManager.merge(GroupUser.createGroupManager(alice.getId(), group));
+
+        // when
+        final GroupData bobActual = groupDao.getById(bob.getId(), group.getId());
+        final GroupData aliceAtual = groupDao.getById(alice.getId(), group.getId());
+
+        // then
+        assertAll(() -> {
+            assertThat(bobActual.isGroupManager()).isFalse();
+            assertThat(aliceAtual.isGroupManager()).isTrue();
+        });
+    }
+
+    @Test
+    void 그룹ID가_없다면_예외를_던진다() {
+        // given & when & then
+        assertThatThrownBy(() -> groupDao.getById(1L, 2L))
+                .isInstanceOf(NotExistGroupException.class);
+    }
+}