feat(be) : 캐시 테스트 추가 및 MockK 의존성 추가

Author: YangHJ2415

build.gradle.kts

@@ -74,6 +74,7 @@ dependencies {
     testImplementation("org.springframework.boot:spring-boot-starter-test")
     testImplementation("org.jetbrains.kotlin:kotlin-test-junit5")
     testImplementation("org.springframework.security:spring-security-test")
+    testImplementation("io.mockk:mockk:1.13.12")
     testRuntimeOnly("org.junit.platform:junit-platform-launcher")
 }
 

src/test/kotlin/com/back/koreaTravelGuide/domain/ai/tour/service/core/TourAreaBasedServiceCoreCacheTest.kt

@@ -0,0 +1,81 @@
+package com.back.koreaTravelGuide.domain.ai.tour.service.core
+
+import com.back.koreaTravelGuide.domain.ai.tour.client.TourApiClient
+import com.back.koreaTravelGuide.domain.ai.tour.dto.TourItem
+import com.back.koreaTravelGuide.domain.ai.tour.dto.TourParams
+import com.back.koreaTravelGuide.domain.ai.tour.dto.TourResponse
+import com.back.koreaTravelGuide.domain.ai.tour.service.usecase.TourAreaBasedUseCase
+import io.mockk.every
+import io.mockk.mockk
+import io.mockk.verify
+import org.junit.jupiter.api.DisplayName
+import org.junit.jupiter.api.Test
+import org.springframework.beans.factory.annotation.Autowired
+import org.springframework.cache.CacheManager
+import org.springframework.cache.annotation.EnableCaching
+import org.springframework.cache.concurrent.ConcurrentMapCacheManager
+import org.springframework.context.annotation.Bean
+import org.springframework.context.annotation.Configuration
+import org.springframework.test.context.junit.jupiter.SpringJUnitConfig
+import kotlin.test.assertEquals
+
+@SpringJUnitConfig(TourAreaBasedServiceCoreCacheTest.Config::class)
+class TourAreaBasedServiceCoreCacheTest {
+    @Autowired
+    private lateinit var service: TourAreaBasedUseCase
+
+    @Autowired
+    private lateinit var tourApiClient: TourApiClient
+
+    @DisplayName("fetchAreaBasedTours - 동일 파라미터 두 번 호출 시 API는 한 번만 호출된다")
+    @Test
+    fun cachesAreaBasedTours() {
+        val params = TourParams(contentTypeId = "15", areaCode = "3", sigunguCode = "5")
+        val apiResponse =
+            TourResponse(
+                items =
+                    listOf(
+                        TourItem(
+                            contentId = "88888",
+                            contentTypeId = "15",
+                            createdTime = "202401010000",
+                            modifiedTime = "202401020000",
+                            title = "캐시 검증 관광지",
+                            addr1 = "대전 어딘가",
+                            areaCode = "3",
+                            firstimage = null,
+                            firstimage2 = null,
+                            mapX = null,
+                            mapY = null,
+                            distance = null,
+                            mlevel = null,
+                            sigunguCode = "5",
+                            lDongRegnCd = null,
+                            lDongSignguCd = null,
+                        ),
+                    ),
+            )
+
+        every { tourApiClient.fetchTourInfo(params) } returns apiResponse
+
+        val firstCall = service.fetchAreaBasedTours(params)
+        val secondCall = service.fetchAreaBasedTours(params)
+
+        assertEquals(apiResponse, firstCall)
+        assertEquals(apiResponse, secondCall)
+        verify(exactly = 1) { tourApiClient.fetchTourInfo(params) }
+    }
+
+    @Configuration
+    @EnableCaching
+    class Config {
+        @Bean
+        fun tourApiClient(): TourApiClient = mockk(relaxed = true)
+
+        @Bean
+        fun cacheManager(): CacheManager = ConcurrentMapCacheManager("tourAreaBased", "tourLocationBased", "tourDetail")
+
+        @Bean
+        fun tourAreaBasedServiceCore(tourApiClient: TourApiClient): TourAreaBasedServiceCore = TourAreaBasedServiceCore(tourApiClient)
+    }
+}