test: kakao api webclient 테스트 작성

mealkitary-infrastructure/adapter-address-resolver/kakao-api-address-resolver/src/test/kotlin/com/mealkitary/addess/KakaoApiWebClientTest.kt

@@ -0,0 +1,105 @@
+package com.mealkitary.addess
+
+import com.fasterxml.jackson.databind.ObjectMapper
+import com.mealkitary.address.KakaoApiWebClient
+import com.mealkitary.address.payload.KakaoApiAddressResponse
+import io.kotest.assertions.throwables.shouldThrow
+import io.kotest.inspectors.forAll
+import io.kotest.matchers.shouldBe
+import okhttp3.mockwebserver.MockResponse
+import okhttp3.mockwebserver.MockWebServer
+import org.junit.jupiter.api.AfterEach
+import org.junit.jupiter.api.BeforeEach
+import org.junit.jupiter.api.Test
+import org.springframework.http.HttpHeaders
+import org.springframework.http.MediaType
+import org.springframework.web.reactive.function.client.WebClient
+import java.lang.RuntimeException
+
+class KakaoApiWebClientTest {
+
+    private lateinit var mockWebServer: MockWebServer
+    private lateinit var webClient: WebClient
+    private lateinit var kakaoApiWebClient: KakaoApiWebClient
+    private val objectMapper = ObjectMapper()
+
+    @BeforeEach
+    fun setUp() {
+        mockWebServer = MockWebServer()
+        mockWebServer.start()
+        webClient = WebClient.builder()
+            .baseUrl(mockWebServer.url("").toString())
+            .codecs { configurer ->
+                configurer.defaultCodecs().maxInMemorySize(5 * 1024 * 1024)
+            }
+            .defaultHeaders { headers ->
+                headers.set(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON_VALUE)
+                headers.set(HttpHeaders.ACCEPT, MediaType.APPLICATION_JSON_VALUE)
+            }
+            .build()
+
+        kakaoApiWebClient = KakaoApiWebClient(webClient, "serviceKey")
+    }
+
+    @AfterEach
+    fun teardown() {
+        mockWebServer.shutdown()
+    }
+
+    @Test
+    fun `200 OK를 받으면 아무 예외도 발생하지 않는다`() {
+        val address = "경기도 남양주시 다산중앙로82번안길 132-12"
+        val response = createResponse()
+
+        mockWebServer.enqueue(
+            MockResponse()
+                .setBody(objectMapper.writeValueAsString(response))
+                .setResponseCode(200)
+                .addHeader(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON)
+        )
+
+        val actualResponse = kakaoApiWebClient.requestAddress(address)
+
+        val recordedRequest = mockWebServer.takeRequest()
+        recordedRequest.method shouldBe "GET"
+
+        actualResponse.document.road_address.h_code shouldBe response.document.road_address.h_code
+        actualResponse.document.x shouldBe response.document.x
+        actualResponse.document.y shouldBe response.document.y
+        actualResponse.document.address.region_1depth_name shouldBe response.document.address.region_1depth_name
+        actualResponse.document.address.region_2depth_name shouldBe response.document.address.region_2depth_name
+        actualResponse.document.address.region_3depth_name shouldBe response.document.address.region_3depth_name
+        actualResponse.document.road_address.road_name shouldBe response.document.road_address.road_name
+    }
+
+    @Test
+    fun `200이 아닌 코드는 RuntimeException으로 처리한다`() {
+        listOf(400, 401, 500).forAll {
+            mockWebServer.enqueue(
+                MockResponse()
+                    .setResponseCode(it)
+                    .setBody(objectMapper.writeValueAsString(createResponse()))
+                    .addHeader(HttpHeaders.CONTENT_TYPE, MediaType.APPLICATION_JSON)
+            )
+            shouldThrow<RuntimeException> {
+                kakaoApiWebClient.requestAddress("경기도남양주시다산중앙로82번안길132-12")
+            }
+        }
+    }
+
+    private fun createResponse() = KakaoApiAddressResponse(
+        document = KakaoApiAddressResponse.Document(
+            x = "127.166069448936",
+            y = "37.6120947950094",
+            address = KakaoApiAddressResponse.Address(
+                region_1depth_name = "경기",
+                region_2depth_name = "남양주시",
+                region_3depth_name = "다산동"
+            ),
+            road_address = KakaoApiAddressResponse.RoadAddress(
+                road_name = "다산중앙로82번안길",
+                h_code = "4136011200"
+            )
+        )
+    )
+}