#92 [feat] : EntertainmentApplicationService 단위 테스트 코드를 작성한다

src/test/java/kusitms/backend/stadium/application/service/EntertainmentApplicationServiceTest.java

@@ -0,0 +1,72 @@
+package kusitms.backend.stadium.application.service;
+
+import kusitms.backend.global.exception.CustomException;
+import kusitms.backend.stadium.application.EntertainmentApplicationService;
+import kusitms.backend.stadium.application.StadiumApplicationService;
+import kusitms.backend.stadium.application.dto.response.GetEntertainmentsResponseDto;
+import kusitms.backend.stadium.domain.model.Stadium;
+import kusitms.backend.stadium.status.EntertainmentErrorStatus;
+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.List;
+
+import static org.junit.jupiter.api.Assertions.*;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+class EntertainmentApplicationServiceTest {
+
+    @InjectMocks
+    private EntertainmentApplicationService service;
+
+    @Mock
+    private StadiumApplicationService stadiumApplicationService;
+
+    @BeforeEach
+    void setUp() {
+        MockitoAnnotations.openMocks(this);
+    }
+
+    /**
+     * 정상적인 스타디움 이름과 boundary 값으로 즐길거리 리스트를 성공적으로 가져오는 테스트.
+     */
+    @Test
+    void testGetSuitableEntertainments_Success() {
+        // Given
+        String stadiumName = "잠실종합운동장";
+        String boundary = "내부";
+        Stadium stadium = mock(Stadium.class);
+        when(stadiumApplicationService.findStadiumByName(stadiumName)).thenReturn(stadium);
+        when(stadium.getEntertainments()).thenReturn(List.of());
+
+        // When
+        GetEntertainmentsResponseDto result = service.getSuitableEntertainments(stadiumName, boundary);
+
+        // Then
+        assertNotNull(result);
+        assertEquals(0, result.entertainments().size());
+    }
+
+    /**
+     * 유효하지 않은 boundary 값으로 예외를 발생시키는 테스트.
+     */
+    @Test
+    void testGetSuitableEntertainments_InvalidBoundary() {
+        // Given
+        String stadiumName = "잠실종합운동장";
+        String invalidBoundary = "잘못된값";
+        Stadium stadium = mock(Stadium.class);
+
+        // When
+        when(stadiumApplicationService.findStadiumByName(stadiumName)).thenReturn(stadium);
+
+        // Then
+        CustomException exception = assertThrows(CustomException.class, () ->
+                service.getSuitableEntertainments(stadiumName, invalidBoundary));
+        assertEquals(EntertainmentErrorStatus._BAD_REQUEST_BOUNDARY, exception.getErrorCode());
+    }
+}