chore: Kakao 로그인 API 경로 수정

Author: soonduck-dreams

src/main/java/apu/saerok_admin/infra/auth/BackendAuthClient.java

@@ -25,7 +25,6 @@
 public class BackendAuthClient {
 
     private static final Logger log = LoggerFactory.getLogger(BackendAuthClient.class);
-    private static final String ADMIN_CHANNEL = "admin";
 
     private final RestClient authRestClient;
     private final List<String> missingPrefixSegments;
@@ -39,10 +38,10 @@ public BackendAuthClient(
     }
 
     public LoginSuccess kakaoLogin(String authorizationCode) {
-        KakaoLoginPayload payload = new KakaoLoginPayload(authorizationCode, ADMIN_CHANNEL);
+        KakaoLoginPayload payload = new KakaoLoginPayload(authorizationCode);
         log.info("Requesting Kakao login from backend with authorization code length {}", authorizationCode == null ? 0 : authorizationCode.length());
         ResponseEntity<BackendAccessTokenResponse> response = authRestClient.post()
-                .uri(uriBuilder -> buildUri(uriBuilder, "auth", "kakao", "login"))
+                .uri(uriBuilder -> buildUri(uriBuilder, "admin", "auth", "kakao", "login"))
                 .contentType(MediaType.APPLICATION_JSON)
                 .body(payload)
                 .retrieve()
@@ -112,7 +111,7 @@ private URI buildUri(UriBuilder builder, String... segments) {
         return builder.build();
     }
 
-    private record KakaoLoginPayload(String authorizationCode, String channel) {
+    private record KakaoLoginPayload(String authorizationCode) {
     }
 
     private record AppleLoginPayload(String authorizationCode) {

src/test/java/apu/saerok_admin/infra/auth/BackendAuthClientTest.java

@@ -42,7 +42,7 @@ void tearDown() {
 
     @Test
     void kakaoLoginSendsRequestIncludingApiPrefix() {
-        wireMockServer.stubFor(post(urlEqualTo("/api/v1/auth/kakao/login"))
+        wireMockServer.stubFor(post(urlEqualTo("/api/v1/admin/auth/kakao/login"))
                 .withRequestBody(equalToJson("{" +
                         "\"authorizationCode\":\"auth-code\"," +
                         "\"channel\":\"admin\"" +
@@ -60,7 +60,7 @@ void kakaoLoginSendsRequestIncludingApiPrefix() {
         assertThat(loginSuccess.accessToken()).isEqualTo("backend-token");
         assertThat(loginSuccess.refreshCookies()).contains("refreshToken=abc; Path=/; HttpOnly");
 
-        wireMockServer.verify(postRequestedFor(urlEqualTo("/api/v1/auth/kakao/login")));
+        wireMockServer.verify(postRequestedFor(urlEqualTo("/api/v1/admin/auth/kakao/login")));
     }
 
     @Test
@@ -73,7 +73,7 @@ void kakaoLoginAddsMissingPrefixWhenBaseUrlOmitsIt() {
                 "http://localhost:" + wireMockServer.port(),
                 "/api/v1"
         ));
-        wireMockServer.stubFor(post(urlEqualTo("/api/v1/auth/kakao/login"))
+        wireMockServer.stubFor(post(urlEqualTo("/api/v1/admin/auth/kakao/login"))
                 .withRequestBody(equalToJson("{" +
                         "\"authorizationCode\":\"auth-code\"," +
                         "\"channel\":\"admin\"" +
@@ -88,6 +88,6 @@ void kakaoLoginAddsMissingPrefixWhenBaseUrlOmitsIt() {
         BackendAuthClient.LoginSuccess loginSuccess = client.kakaoLogin("auth-code");
 
         assertThat(loginSuccess.accessToken()).isEqualTo("backend-token");
-        wireMockServer.verify(postRequestedFor(urlEqualTo("/api/v1/auth/kakao/login")));
+        wireMockServer.verify(postRequestedFor(urlEqualTo("/api/v1/admin/auth/kakao/login")));
     }
 }