[Fix/fix update love point]

src/main/java/org/runimo/runimo/rewards/service/lovepoint/LoveGrantService.java

@@ -23,7 +23,7 @@ public Long grantLoveToUserWithDistance(RunningRecord runningRecord) {
       User user = userFinder.findUserById(runningRecord.getUserId())
           .orElseThrow(IllegalStateException::new);
       Long loveAmount = calculateLoveAmount(runningRecord.getTotalDistance());
-      LovePoint lovePoint = lovePointProcessor.updateLovePoint(user.getId(), loveAmount);
+      LovePoint lovePoint = lovePointProcessor.acquireLovePoint(user.getId(), loveAmount);
       return lovePoint.getAmount();
   }
 

src/main/java/org/runimo/runimo/user/service/LovePointProcessor.java

@@ -19,10 +19,18 @@ public LovePointProcessor(LovePointRepository lovePointRepository) {
    *  유저의 러브포인트를 업데이트한다. XLOCK을 걸어서 동시성 문제를 해결한다.
    * */
   @Transactional
-  public LovePoint updateLovePoint(Long userId, Long loveAmount) {
+  public LovePoint acquireLovePoint(Long userId, Long loveAmount) {
     LovePoint lp = lovePointRepository.findByUserIdWithXLock(userId)
         .orElseThrow(IllegalStateException::new);
     lp.add(loveAmount);
     return lovePointRepository.save(lp);
   }
+
+  @Transactional
+  public LovePoint useLovePoint(Long userId, Long loveAmount) {
+    LovePoint lp = lovePointRepository.findByUserIdWithXLock(userId)
+        .orElseThrow(IllegalStateException::new);
+    lp.subtract(loveAmount);
+    return lovePointRepository.save(lp);
+  }
 }

src/main/java/org/runimo/runimo/user/service/usecases/eggs/GiveLovePointToEggUsecaseImpl.java

@@ -19,7 +19,7 @@ public class GiveLovePointToEggUsecaseImpl implements GiveLovePointToEggUsecase
   @Transactional
   public UseLovePointResponse execute(UseLovePointCommand command) {
     IncubatingEgg incubatingEgg = incubatingEggProcessor.giveLovePoint(command);
-    lovePointProcessor.updateLovePoint(command.userId(), command.lovePoint());
+    lovePointProcessor.useLovePoint(command.userId(), command.lovePoint());
     return new UseLovePointResponse(
         incubatingEgg.getId(),
         incubatingEgg.getCurrentLovePointAmount(),

src/test/java/org/runimo/runimo/user/api/IncubatingEggAcceptanceTest.java

@@ -18,11 +18,9 @@
 import org.springframework.test.context.ActiveProfiles;
 import org.springframework.test.context.jdbc.Sql;
 
-import java.util.Optional;
 
 import static io.restassured.RestAssured.given;
 import static org.hamcrest.Matchers.*;
-import static org.junit.jupiter.api.Assertions.assertEquals;
 
 @SpringBootTest(webEnvironment = SpringBootTest.WebEnvironment.RANDOM_PORT)
 @ActiveProfiles("test")
@@ -111,4 +109,135 @@ void tearDown() {
         .body("payload.required_love_point_amount", equalTo(100))
         .body("payload.egg_hatchable", equalTo(false));
   }
+
+  @Test
+  @Sql(scripts = "/sql/incubating_egg_test_data.sql", executionPhase = Sql.ExecutionPhase.BEFORE_TEST_METHOD)
+  void 알에_애정을_부여하면_사용자의_보유_애정이_감소한다() throws JsonProcessingException {
+    // given
+    String userUuid = "test-user-uuid-1";
+    String token = "Bearer " + jwtTokenFactory.generateAccessToken(userUuid);
+
+    // 사용자의 초기 애정 포인트 조회
+    Integer initialLovePoint = given()
+        .header("Authorization", token)
+        .contentType(ContentType.JSON)
+        .when()
+        .get("/api/v1/main")
+        .then()
+        .statusCode(200)
+        .extract()
+        .path("payload.love_point");
+
+    // when
+    // 20포인트의 애정을 부여
+    Long useLovePointAmount = 20L;
+    UseLovePointRequest request = new UseLovePointRequest(1L, useLovePointAmount);
+
+    // 알에 애정 부여 요청
+    given()
+        .header("Authorization", token)
+        .contentType(ContentType.JSON)
+        .body(objectMapper.writeValueAsString(request))
+        .when()
+        .patch("/api/v1/users/eggs")
+        .then()
+        .log().all()
+        .statusCode(200)
+        .body("payload.current_love_point_amount", equalTo(70));
+
+    // then
+    // 사용자의 애정 포인트가 감소했는지 확인
+    given()
+        .header("Authorization", token)
+        .contentType(ContentType.JSON)
+        .when()
+        .get("/api/v1/main")
+        .then()
+        .log().all()
+        .statusCode(200)
+        .body("payload.love_point", equalTo(initialLovePoint - useLovePointAmount.intValue()));
+  }
+
+
+  @Test
+  @Sql(scripts = "/sql/incubating_egg_test_data.sql", executionPhase = Sql.ExecutionPhase.BEFORE_TEST_METHOD)
+  void 보유한_애정보다_더_많은_애정부여_요청_시_예외() throws JsonProcessingException {
+    // given
+    String userUuid = "test-user-uuid-1";
+    String token = "Bearer " + jwtTokenFactory.generateAccessToken(userUuid);
+
+    // 사용자의 초기 애정 포인트 조회
+    given()
+        .header("Authorization", token)
+        .contentType(ContentType.JSON)
+        .when()
+        .get("/api/v1/main")
+        .then()
+        .statusCode(200)
+        .extract()
+        .path("payload.love_point");
+
+    // when
+    // 20포인트의 애정을 부여
+    Long useLovePointAmount = 25L;
+    UseLovePointRequest request = new UseLovePointRequest(1L, useLovePointAmount);
+
+    // 알에 애정 부여 요청
+    given()
+        .header("Authorization", token)
+        .contentType(ContentType.JSON)
+        .body(objectMapper.writeValueAsString(request))
+        .when()
+        .patch("/api/v1/users/eggs")
+        .then()
+        .log().all()
+        .statusCode(400);
+  }
+
+  @Test
+  @Sql(scripts = "/sql/incubating_egg_test_data.sql", executionPhase = Sql.ExecutionPhase.BEFORE_TEST_METHOD)
+  void 애정부여_예외_시_애정보유량_유지() throws JsonProcessingException {
+    // given
+    String userUuid = "test-user-uuid-1";
+    String token = "Bearer " + jwtTokenFactory.generateAccessToken(userUuid);
+
+    // 사용자의 초기 애정 포인트 조회
+    Integer initialLovePoint = given()
+        .header("Authorization", token)
+        .contentType(ContentType.JSON)
+        .when()
+        .get("/api/v1/main")
+        .then()
+        .statusCode(200)
+        .extract()
+        .path("payload.love_point");
+
+    // when
+    // 20포인트의 애정을 부여
+    Long useLovePointAmount = 25L;
+    UseLovePointRequest request = new UseLovePointRequest(1L, useLovePointAmount);
+
+    // 알에 애정 부여 요청
+    given()
+        .header("Authorization", token)
+        .contentType(ContentType.JSON)
+        .body(objectMapper.writeValueAsString(request))
+        .when()
+        .patch("/api/v1/users/eggs")
+        .then()
+        .log().all()
+        .statusCode(400);
+
+    // then
+    // 사용자의 애정 포인트가 감소했는지 확인
+    given()
+        .header("Authorization", token)
+        .contentType(ContentType.JSON)
+        .when()
+        .get("/api/v1/main")
+        .then()
+        .log().all()
+        .statusCode(200)
+        .body("payload.love_point", equalTo(initialLovePoint));
+  }
 }

src/test/resources/sql/incubating_egg_test_data.sql

@@ -11,7 +11,7 @@ INSERT INTO users (id, public_id, nickname, img_url, total_distance_in_meters, t
 VALUES (1, 'test-user-uuid-1', 'Daniel', 'https://example.com/images/user1.png', 3000, 3600, NOW(), NOW());
 
 INSERT INTO user_love_point (id, user_id, amount, created_at, updated_at)
-VALUES (1, 1, 1000, NOW(), NOW());
+VALUES (1, 1, 20, NOW(), NOW());
 
 -- 보유 아이템
 INSERT INTO user_item (id, user_id, item_id, quantity, created_at, updated_at)