[#8] feat: Cafe 기본적인 CRUD 구성

- CafeService 생성, 수정 로직 주석 추가
- CafeServiceTest를 통한 카페 생성 테스트(Mockito 사용)

src/main/java/io/beaniejoy/dongnecafe/domain/cafe/service/CafeService.kt

@@ -26,6 +26,11 @@ class CafeService(
 
     /**
      * 카페 생성 로직
+     * - 카페 생성시 카페정보 뿐만 아니라 하위 메뉴정보, 옵션, 옵션상세 같이 생성
+     * - 카페 정보(이름, 주소, 전화번호, 소개글)
+     * - 카페 메뉴정보 (메뉴 이름, 가격 /ex. 아메리카노, 2,800)
+     * - 메뉴 옵션 (옵션 이름 /ex. 사이즈)
+     * - 옵션 상세 (상세 이름, 추가 금액 /ex. [(medium, 0), (large, 200), (venti, 700)])
      */
     fun createCafe(
         name: String,
@@ -69,6 +74,10 @@ class CafeService(
         return CafeInfoResponseDto.of(cafe)
     }
 
+    /**
+     * 카페 정보 수정
+     * - 카페 정보만 수정 (하위 엔티티에 대해서는 각 도메인 영역에서 수정)
+     */
     @Transactional
     fun updateCafe(
         id: Long,

src/test/java/io/beaniejoy/dongnecafe/domain/cafe/service/CafeServiceTest.kt

@@ -1,13 +1,87 @@
 package io.beaniejoy.dongnecafe.domain.cafe.service
 
-import org.junit.jupiter.api.Assertions.*
+import io.beaniejoy.dongnecafe.domain.cafe.dto.request.CafeMenuInfoRequestDto
+import io.beaniejoy.dongnecafe.domain.cafe.dto.request.MenuOptionInfoRequestDto
+import io.beaniejoy.dongnecafe.domain.cafe.dto.request.OptionDetailInfoRequestDto
+import io.beaniejoy.dongnecafe.domain.cafe.entity.Cafe
+import io.beaniejoy.dongnecafe.domain.cafe.repository.CafeRepository
+import org.junit.jupiter.api.Assertions.assertEquals
 import org.junit.jupiter.api.DisplayName
 import org.junit.jupiter.api.Test
+import org.junit.jupiter.api.extension.ExtendWith
+import org.mockito.InjectMocks
+import org.mockito.Mock
+import org.mockito.Mockito.*
+import org.mockito.junit.jupiter.MockitoExtension
+import java.math.BigDecimal
+import javax.persistence.GeneratedValue
 
+@ExtendWith(MockitoExtension::class)
 internal class CafeServiceTest {
+    @InjectMocks
+    lateinit var mockCafeService: CafeService
+
+    @Mock
+    lateinit var mockCafeRepository: CafeRepository
+
     @Test
     @DisplayName("카페 신규 생성 테스트")
     fun createCafeTest() {
+        val cafeName = "beanie_cafe"
+        val cafeAddress = "beanie_cafe_address"
+        val phoneNumber = "01012345678"
+        val description = "beanie_cafe_description"
 
+        val sizeOptionDetailList = listOf(
+            OptionDetailInfoRequestDto(name = "medium", extraPrice = BigDecimal.ZERO),
+            OptionDetailInfoRequestDto(name = "large", extraPrice = BigDecimal.valueOf(200L)),
+            OptionDetailInfoRequestDto(name = "venti", extraPrice = BigDecimal.valueOf(700L))
+        )
+        val sizeMenuOption = MenuOptionInfoRequestDto(
+            title = "size",
+            optionDetailList = sizeOptionDetailList
+        )
+
+        val cafeMenuList = listOf(
+            CafeMenuInfoRequestDto(
+                name = "menu1",
+                price = BigDecimal.valueOf(2_800L),
+                menuOptionList = listOf(sizeMenuOption)
+            ),
+            CafeMenuInfoRequestDto(
+                name = "menu2",
+                price = BigDecimal.valueOf(3_500L),
+                menuOptionList = listOf(sizeMenuOption)
+            ),
+        )
+
+        val savedMockCafeId = 100L
+
+        `when`(mockCafeRepository.findByName(cafeName)).thenReturn(null)
+        `when`(mockCafeRepository.save(any(Cafe::class.java))).thenAnswer {
+            val argument = it.getArgument<Cafe>(0)
+            val idField = argument.javaClass.declaredFields
+                .find { f ->
+                    f.getAnnotation(GeneratedValue::class.java) != null
+                } ?: return@thenAnswer argument
+
+            idField.isAccessible = true
+            idField.set(argument, savedMockCafeId)
+
+            return@thenAnswer argument
+        }
+
+        val savedCafeId = mockCafeService.createCafe(
+            name = cafeName,
+            address = cafeAddress,
+            phoneNumber = phoneNumber,
+            description = description,
+            cafeMenuRequestList = cafeMenuList
+        )
+
+        verify(mockCafeRepository).findByName(cafeName)
+        verify(mockCafeRepository).save(any(Cafe::class.java))
+
+        assertEquals(savedCafeId, savedMockCafeId)
     }
 }