User 테스트코드 추가 및 토큰 조회 API 추가

src/main/java/org/ezcode/codetest/application/usermanagement/user/dto/response/UserReviewTokenResponse.java

@@ -0,0 +1,10 @@
+package org.ezcode.codetest.application.usermanagement.user.dto.response;
+
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+@Getter
+@AllArgsConstructor
+public class UserReviewTokenResponse {
+    private final int reviewToken;
+}

src/main/java/org/ezcode/codetest/application/usermanagement/user/service/UserService.java

@@ -6,6 +6,7 @@
 
 import org.ezcode.codetest.application.usermanagement.user.dto.response.GrantAdminRoleResponse;
 import org.ezcode.codetest.application.usermanagement.user.dto.response.UserProfileImageResponse;
+import org.ezcode.codetest.application.usermanagement.user.dto.response.UserReviewTokenResponse;
 import org.ezcode.codetest.application.usermanagement.user.model.UsersByWeek;
 import org.ezcode.codetest.domain.submission.dto.WeeklySolveCount;
 import org.ezcode.codetest.application.usermanagement.user.dto.request.ChangeUserPasswordRequest;
@@ -176,4 +177,10 @@ public UserProfileImageResponse deleteUserProfileImage(AuthUser authUser) {
 
 		return new UserProfileImageResponse(null);
 	}
+
+	public UserReviewTokenResponse getReivewToken(AuthUser authUser) {
+		User user = userDomainService.getUserById(authUser.getId());
+
+		return new UserReviewTokenResponse(user.getReviewToken());
+	}
 }

src/main/java/org/ezcode/codetest/presentation/usermanagement/UserController.java

@@ -6,6 +6,7 @@
 import org.ezcode.codetest.application.usermanagement.user.dto.response.GrantAdminRoleResponse;
 import org.ezcode.codetest.application.usermanagement.user.dto.response.UserInfoResponse;
 import org.ezcode.codetest.application.usermanagement.user.dto.response.UserProfileImageResponse;
+import org.ezcode.codetest.application.usermanagement.user.dto.response.UserReviewTokenResponse;
 import org.ezcode.codetest.application.usermanagement.user.dto.response.WithdrawUserResponse;
 import org.ezcode.codetest.application.usermanagement.user.service.UserService;
 import org.ezcode.codetest.domain.user.model.entity.AuthUser;
@@ -94,4 +95,12 @@ public ResponseEntity<WithdrawUserResponse> withdraw(
 		return ResponseEntity.status(HttpStatus.OK).body(userService.withdrawUser(authUser));
 	}
 
+	@Operation(summary = "회원 AI 리뷰 토큰 조회", description = "회원의 남은 AI리뷰용 토큰의 개수를 조회합니다.")
+	@GetMapping("/users/review-token")
+	public ResponseEntity<UserReviewTokenResponse> getReviewToken(
+		@AuthenticationPrincipal AuthUser authUser
+	){
+		return ResponseEntity.status(HttpStatus.OK).body(userService.getReivewToken(authUser));
+	}
+
 }

src/test/java/org/ezcode/codetest/domain/user/UserDomainServiceTest.java

@@ -13,7 +13,6 @@
 import org.ezcode.codetest.domain.user.repository.UserAuthTypeRepository;
 import org.ezcode.codetest.domain.user.repository.UserRepository;
 import org.ezcode.codetest.domain.user.service.UserDomainService;
-import org.junit.jupiter.api.BeforeEach;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.extension.ExtendWith;
 import org.mockito.InjectMocks;
@@ -58,7 +57,6 @@ public class UserDomainServiceTest {
     ) {
         public Long getId() { return 1L; }
         public int getReviewToken() { return 5; }
-        public int getZeroReviewToken() { return 0; }
     };
     private final UserAuthType testAuthType = new UserAuthType(testUser, AuthType.EMAIL);
 
@@ -173,4 +171,51 @@ void isDeletedUser_shouldPassWhenActive() {
         assertDoesNotThrow(() -> userDomainService.isDeletedUser(testUser));
     }
 
+    // 9. 닉네임 자동 생성 테스트
+    @Test
+    void generateUniqueNickname_shouldReturnNonExistingNickname() {
+        when(userRepository.existsByNickname(any())).thenReturn(false);
+        String nickname = userDomainService.generateUniqueNickname();
+        assertNotNull(nickname);
+    }
+
+    @Test
+    void generateUniqueNickname_shouldThrowWhenMaxAttempts() {
+        when(userRepository.existsByNickname(any())).thenReturn(true);
+        assertThrows(IllegalStateException.class, () -> userDomainService.generateUniqueNickname());
+    }
+
+    // 10. 리뷰 토큰 테스트
+    @Test
+    void decreaseReviewToken_shouldUpdateWhenTokensAvailable() {
+        testUser.setReviewToken(5);
+        assertDoesNotThrow(() -> userDomainService.decreaseReviewToken(testUser));
+        verify(userRepository).decreaseReviewToken(testUser);
+    }
+
+    @Test
+    void decreaseReviewToken_shouldThrowWhenNoTokens() {
+        User zeroTokenUser = new User(
+            "[email protected]", "pwd", "user", "nick",
+            28, Tier.NEWBIE, UserRole.USER,
+            false, true, "https://github.com", false
+        ) {
+            public int getReviewToken() {
+                return 0;
+            }
+        };
+
+        UserException exception = assertThrows(UserException.class,
+            () -> userDomainService.decreaseReviewToken(zeroTokenUser));
+
+        assertEquals(UserExceptionCode.NOT_ENOUGH_TOKEN, exception.getResponseCode());
+    }
+
+
+    // 12. 이메일로 유저 찾기
+    @Test
+    void getUserByEmail_shouldReturnUser() {
+        when(userRepository.getUserByEmail("[email protected]")).thenReturn(testUser);
+        assertEquals(testUser, userDomainService.getUserByEmail("[email protected]"));
+    }
 }