test[OAuth]: 테스트 코드 수정

Author: asowjdan

backend/src/test/java/com/ai/lawyer/global/jwt/CookieUtilTest.java

@@ -71,7 +71,7 @@ void setTokenCookies_Success() {
         assertThat(accessCookieHeader).contains("HttpOnly");
         assertThat(accessCookieHeader).contains("Path=/");
         assertThat(accessCookieHeader).contains("Max-Age=300"); // 5분 = 300초
-        assertThat(accessCookieHeader).contains("SameSite=None");
+        assertThat(accessCookieHeader).contains("SameSite=Lax");
         log.info("액세스 토큰 쿠키 검증 완료: {}", accessCookieHeader);
 
         // 리프레시 토큰 쿠키 검증
@@ -80,7 +80,7 @@ void setTokenCookies_Success() {
         assertThat(refreshCookieHeader).contains("HttpOnly");
         assertThat(refreshCookieHeader).contains("Path=/");
         assertThat(refreshCookieHeader).contains("Max-Age=604800"); // 7일 = 604800초
-        assertThat(refreshCookieHeader).contains("SameSite=None");
+        assertThat(refreshCookieHeader).contains("SameSite=Lax");
         log.info("리프레시 토큰 쿠키 검증 완료: {}", refreshCookieHeader);
 
         log.info("=== 토큰 쿠키 설정 테스트 완료 ===");
@@ -103,7 +103,7 @@ void setAccessTokenCookie_Success() {
         assertThat(cookieHeader).contains(ACCESS_TOKEN_NAME + "=" + ACCESS_TOKEN);
         assertThat(cookieHeader).contains("HttpOnly");
         assertThat(cookieHeader).contains("Max-Age=300");
-        assertThat(cookieHeader).contains("SameSite=None");
+        assertThat(cookieHeader).contains("SameSite=Lax");
         log.info("=== 액세스 토큰 단독 쿠키 설정 테스트 완료 ===");
     }
 
@@ -124,7 +124,7 @@ void setRefreshTokenCookie_Success() {
         assertThat(cookieHeader).contains(REFRESH_TOKEN_NAME + "=" + REFRESH_TOKEN);
         assertThat(cookieHeader).contains("HttpOnly");
         assertThat(cookieHeader).contains("Max-Age=604800");
-        assertThat(cookieHeader).contains("SameSite=None");
+        assertThat(cookieHeader).contains("SameSite=Lax");
         log.info("=== 리프레시 토큰 단독 쿠키 설정 테스트 완료 ===");
     }
 

backend/src/test/java/com/ai/lawyer/global/oauth/OAuth2SuccessHandlerTest.java

@@ -51,12 +51,16 @@ class OAuth2SuccessHandlerTest {
     private PrincipalDetails naverPrincipalDetails;
 
     @BeforeEach
-    void setUp() {
+    void setUp() throws Exception {
         // Redirect URL 설정 (환경변수에서 주입되는 값)
         ReflectionTestUtils.setField(oauth2SuccessHandler, "frontendRedirectUrl",
             "http://localhost:3000/oauth/success");
         ReflectionTestUtils.setField(oauth2SuccessHandler, "activeProfile", "dev");
 
+        // Mock response.getWriter() - HTML 응답 시 필요
+        java.io.PrintWriter mockWriter = org.mockito.Mockito.mock(java.io.PrintWriter.class);
+        given(response.getWriter()).willReturn(mockWriter);
+
         // 카카오 회원 생성
         kakaoMember = OAuth2Member.builder()
                 .loginId("[email protected]")