test: 찜 목록 테스트 코드 작성

Author: qormoon

src/test/java/com/example/fiurinee/integration/preferlist/PreferlistServiceTest.java

@@ -0,0 +1,92 @@
+package com.example.fiurinee.integration.preferlist;
+
+import com.example.fiurinee.domain.member.entity.Member;
+import com.example.fiurinee.domain.preferList.entity.PreferList;
+import com.example.fiurinee.domain.preferList.repository.PreferListRepository;
+import com.example.fiurinee.domain.preferList.service.PreferListService;
+import com.example.fiurinee.global.exception.CustomException;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.MockitoAnnotations;
+
+import java.util.Optional;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.mockito.Mockito.*;
+
+public class PreferlistServiceTest {
+    @Mock
+    private PreferListRepository preferListRepository;
+
+    @InjectMocks
+    private PreferListService preferListService;
+
+    @BeforeEach
+    void setUp() {
+        MockitoAnnotations.openMocks(this);
+    }
+
+    @Test
+    void testSave() {
+        // Given
+        PreferList preferList = PreferList.builder()
+                .build();
+
+        // When
+        preferListService.save(preferList);
+
+        // Then
+        verify(preferListRepository, times(1)).save(preferList);
+    }
+
+    @Test
+    void testFindByMemberAndOrder() {
+        // Given
+        Member member = Member.builder()
+                .build();
+        Long order = 1L;
+
+        PreferList preferList = PreferList.builder()
+                .member(member)
+                .preferOrder(order)
+                .build();
+
+        when(preferListRepository.findByMemberAndPreferOrder(member, order)).thenReturn(Optional.of(preferList));
+
+        // When
+        PreferList foundPreferList = preferListService.findByMemberAndOrder(member, order);
+
+        // Then
+        assertThat(foundPreferList).isNotNull();
+        assertThat(foundPreferList).isEqualTo(preferList);
+    }
+
+    @Test
+    void testFindByMemberAndOrderThrowsException() {
+        // Given
+        Member member = Member.builder()
+                .build();
+        Long order = 1L;
+
+        when(preferListRepository.findByMemberAndPreferOrder(member, order)).thenReturn(Optional.empty());
+
+        // When & Then
+        assertThrows(CustomException.class, () -> preferListService.findByMemberAndOrder(member, order));
+    }
+
+    @Test
+    void testDelete() {
+        // Given
+        PreferList preferList = PreferList.builder()
+                .build();
+
+        // When
+        preferListService.delete(preferList);
+
+        // Then
+        verify(preferListRepository, times(1)).delete(preferList);
+    }
+}