#92 [feat] : FoodApplicationService 단위 테스트 코드를 작성한다

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

@@ -0,0 +1,85 @@
+package kusitms.backend.stadium.application.service;
+
+import kusitms.backend.global.exception.CustomException;
+import kusitms.backend.stadium.application.FoodApplicationService;
+import kusitms.backend.stadium.application.StadiumApplicationService;
+import kusitms.backend.stadium.application.dto.response.GetFoodsResponseDto;
+import kusitms.backend.stadium.domain.model.Stadium;
+import kusitms.backend.stadium.status.FoodErrorStatus;
+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.*;
+
+class FoodApplicationServiceTest {
+
+    @InjectMocks
+    private FoodApplicationService service;
+
+    @Mock
+    private StadiumApplicationService stadiumApplicationService;
+
+    @BeforeEach
+    void setUp() {
+        MockitoAnnotations.openMocks(this);
+    }
+
+    /**
+     * 정상적인 입력으로 조건에 맞는 음식 리스트를 성공적으로 가져오는 테스트.
+     */
+    @Test
+    void testGetFoodsOnCondition_Success() {
+        // Given
+        String stadiumName = "잠실종합운동장";
+        String boundary = "내부";
+        String course = "식사";
+        Stadium stadium = mock(Stadium.class);
+        when(stadiumApplicationService.findStadiumByName(stadiumName)).thenReturn(stadium);
+        when(stadiumApplicationService.getFoodsOnCondition(any(), any(), any())).thenReturn(List.of());
+
+        // When
+        GetFoodsResponseDto result = service.getFoodsOnCondition(stadiumName, boundary, course);
+
+        // Then
+        assertNotNull(result);
+        assertEquals(0, result.foods().size());
+    }
+
+    /**
+     * 잘못된 boundary 값으로 예외가 발생하는 테스트.
+     */
+    @Test
+    void testGetFoodsOnCondition_InvalidBoundary() {
+        // Given
+        String stadiumName = "잠실종합운동장";
+        String boundary = "잘못된값";
+        String course = "식사";
+
+        // When & Then
+        CustomException exception = assertThrows(CustomException.class, () ->
+                service.getFoodsOnCondition(stadiumName, boundary, course));
+        assertEquals(FoodErrorStatus._BAD_REQUEST_BOUNDARY, exception.getErrorCode());
+    }
+
+    /**
+     * 잘못된 course 값으로 예외가 발생하는 테스트.
+     */
+    @Test
+    void testGetFoodsOnCondition_InvalidCourse() {
+        // Given
+        String stadiumName = "잠실종합운동장";
+        String boundary = "내부";
+        String course = "잘못된값";
+
+        // When & Then
+        CustomException exception = assertThrows(CustomException.class, () ->
+                service.getFoodsOnCondition(stadiumName, boundary, course));
+        assertEquals(FoodErrorStatus._BAD_REQUEST_COURSE, exception.getErrorCode());
+    }
+}