test: 추천꽃 서비스 테스트 코드 작성

Author: qormoon

src/test/java/com/example/fiurinee/integration/recommendFlower/RecommendFlowerServiceTest.java

@@ -0,0 +1,76 @@
+package com.example.fiurinee.integration.recommendFlower;
+
+import com.example.fiurinee.domain.recommendFlower.entity.RecommendFlower;
+import com.example.fiurinee.domain.recommendFlower.repository.RecommendFlowerRepository;
+import com.example.fiurinee.domain.recommendFlower.service.RecommendFlowerService;
+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 RecommendFlowerServiceTest {
+    @Mock
+    private RecommendFlowerRepository recommendFlowerRepository;
+
+    @InjectMocks
+    private RecommendFlowerService recommendFlowerService;
+
+    @BeforeEach
+    void setUp() {
+        MockitoAnnotations.openMocks(this);
+    }
+
+    @Test
+    void testSaveRecommendFlower() {
+        RecommendFlower recommendFlower = RecommendFlower.builder()
+                .recommendFlowerId(1L)
+                .prefer(true)
+                .build();
+
+        recommendFlowerService.saveRecommendFlower(recommendFlower);
+
+        verify(recommendFlowerRepository, times(1)).save(recommendFlower);
+    }
+
+    @Test
+    void testFindById() {
+        Long id = 1L;
+        RecommendFlower recommendFlower = RecommendFlower.builder()
+                .recommendFlowerId(id)
+                .prefer(true)
+                .build();
+
+        when(recommendFlowerRepository.findById(id)).thenReturn(Optional.of(recommendFlower));
+
+        RecommendFlower foundFlower = recommendFlowerService.findById(id);
+
+        assertThat(foundFlower).isNotNull();
+        assertThat(foundFlower).isEqualTo(recommendFlower);
+    }
+
+    @Test
+    void testFindByIdThrowsException() {
+        Long id = 1L;
+        when(recommendFlowerRepository.findById(id)).thenReturn(Optional.empty());
+
+        assertThrows(CustomException.class, () -> recommendFlowerService.findById(id));
+    }
+
+    @Test
+    void testEditPrefer() {
+        RecommendFlower recommendFlower = mock(RecommendFlower.class);
+        Boolean value = true;
+
+        recommendFlowerService.editPrefer(recommendFlower, value);
+
+        verify(recommendFlower, times(1)).editPrefer(value);
+    }
+}