fix: @TicketLock annotations delete

server/src/intTest/java/com/ticketing/server/movie/aop/TicketLockAspectTest.java

@@ -0,0 +1,56 @@
+package com.ticketing.server.movie.aop;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.junit.jupiter.api.Assertions.assertAll;
+
+import java.util.List;
+import java.util.concurrent.CountDownLatch;
+import java.util.concurrent.ExecutorService;
+import java.util.concurrent.Executors;
+import java.util.concurrent.atomic.AtomicBoolean;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+
+@SpringBootTest
+class TicketLockAspectTest {
+
+	@Autowired
+	private TicketLockAspect ticketLockAspect;
+
+	@Test
+	@DisplayName("티켓 lock 동시성 체크")
+	@SuppressWarnings({"java:S5960"})
+	void ticketMultiThread() throws InterruptedException {
+		// given
+		ExecutorService executorService = Executors.newFixedThreadPool(2);
+		CountDownLatch latch = new CountDownLatch(2);
+
+		List<String> lockIds = List.of("TicketLock:1", "TicketLock:2", "TicketLock:3");
+		AtomicBoolean result1 = new AtomicBoolean(Boolean.TRUE);
+		AtomicBoolean result2 = new AtomicBoolean(Boolean.TRUE);
+
+		// when
+		executorService.execute(() -> {
+			result1.set(ticketLockAspect.isEveryTicketIdLock(lockIds));
+			latch.countDown();
+		});
+
+		executorService.execute(() -> {
+			result2.set(ticketLockAspect.isEveryTicketIdLock(List.of("TicketLock:1")));
+			latch.countDown();
+		});
+
+		latch.await();
+
+		// then
+		Long unlockCount = ticketLockAspect.ticketIdsUnlock(lockIds);
+
+		assertAll(
+			() -> assertThat(result1).isNotEqualTo(result2),
+			() -> assertThat(unlockCount > 1).isTrue()
+		);
+	}
+
+}

server/src/main/java/com/ticketing/server/global/exception/ErrorCode.java

@@ -5,7 +5,6 @@ import static org.springframework.http.HttpStatus.CONFLICT;
 import static org.springframework.http.HttpStatus.FORBIDDEN;
 import static org.springframework.http.HttpStatus.NOT_FOUND;
 
-import com.ticketing.server.global.redis.PaymentCache;
 import lombok.AllArgsConstructor;
 import lombok.Getter;
 import org.springframework.http.HttpStatus;
@@ -24,8 +23,11 @@ public enum ErrorCode {
 	BAD_REQUEST_PAYMENT_COMPLETE(BAD_REQUEST, "처리할 결제 정보가 존재하지 않습니다."),
 	BAD_REQUEST_PAYMENT_READY(BAD_REQUEST, "이미 진행 중인 결제가 존재합니다."),
 	BAD_REQUEST_PAYMENT_CANCEL(BAD_REQUEST, "취소할 티켓이 존재하지 않습니다."),
+	BAD_REQUEST_TICKET_RESERVATION(BAD_REQUEST, "이미 다른 고객이 예약 진행 중인 좌석이 존재합니다."),
+	BAD_REQUEST_TICKET_SOLD(BAD_REQUEST, "이미 환불 진행 중 입니다."),
 	NOT_REFUNDABLE_TIME(BAD_REQUEST, "환불이 가능한 시간이 지났습니다."),
 	NOT_REFUNDABLE_SEAT(BAD_REQUEST, "환불할 수 있는 좌석이 아닙니다."),
+	EMPTY_TICKET_ID(BAD_REQUEST, "티켓 정보가 존재하지 않습니다."),
 
 	/* 403 FORBIDDEN : 접근 권한 제한 */
 	VALID_USER_ID(FORBIDDEN, "해당 정보에 접근 권한이 존재하지 않습니다."),
@@ -48,7 +50,7 @@ public enum ErrorCode {
 	DELETED_MOVIE(CONFLICT, "이미 삭제된 영화 입니다.");
 
 	private final HttpStatus httpStatus;
-	private String detail;
+	private final String detail;
 
 	/* 400 BAD_REQUEST : 잘못된 요청 */
 	public static TicketingException throwMismatchPassword() {
@@ -67,14 +69,6 @@ public enum ErrorCode {
 		throw new TicketingException(UNABLE_CHANGE_GRADE);
 	}
 
-	public static TicketingException throwInvalidTicketId() {
-		throw new TicketingException(INVALID_TICKET_ID);
-	}
-
-	public static TicketingException throwBadRequestMovieTime() {
-		throw new TicketingException(BAD_REQUEST_MOVIE_TIME);
-	}
-
 	public static TicketingException throwBadRequestPaymentComplete() {
 		throw new TicketingException(BAD_REQUEST_PAYMENT_COMPLETE);
 	}
@@ -83,27 +77,12 @@ public enum ErrorCode {
 		throw new TicketingException(BAD_REQUEST_PAYMENT_READY);
 	}
 
-	public static TicketingException throwBadRequestPaymentCancel() {
-		throw new TicketingException(BAD_REQUEST_PAYMENT_CANCEL);
-	}
-
-	public static TicketingException throwNotRefundableTime() {
-		throw new TicketingException(NOT_REFUNDABLE_TIME);
-	}
-
-	public static TicketingException throwNotRefundableSeat() {
-		throw new TicketingException(NOT_REFUNDABLE_SEAT);
-	}
-
 	/* 403 FORBIDDEN : 접근 권한 제한 */
 	public static TicketingException throwValidUserId() {
 		throw new TicketingException(VALID_USER_ID);
 	}
 
 	/* 404 NOT_FOUND : Resource 를 찾을 수 없음 */
-	public static TicketingException throwUserNotFound() {
-		throw new TicketingException(USER_NOT_FOUND);
-	}
 
 	public static TicketingException throwEmailNotFound() {
 		throw new TicketingException(EMAIL_NOT_FOUND);
@@ -113,10 +92,6 @@ public enum ErrorCode {
 		throw new TicketingException(MOVIE_NOT_FOUND);
 	}
 
-	public static TicketingException throwMovieTimeNotFound() {
-		throw new TicketingException(MOVIE_TIME_NOT_FOUND);
-	}
-
 	public static TicketingException throwRefreshTokenNotFound() {
 		throw new TicketingException(REFRESH_TOKEN_NOT_FOUND);
 	}

server/src/main/java/com/ticketing/server/movie/aop/TicketLockAspect.java

@@ -0,0 +1,64 @@
+package com.ticketing.server.movie.aop;
+
+import static com.ticketing.server.movie.domain.TicketLock.LOCK_VALUE;
+
+import com.ticketing.server.global.exception.ErrorCode;
+import com.ticketing.server.global.exception.TicketingException;
+import com.ticketing.server.movie.service.dto.TicketIdsDTO;
+import java.util.List;
+import java.util.concurrent.TimeUnit;
+import lombok.RequiredArgsConstructor;
+import org.aspectj.lang.ProceedingJoinPoint;
+import org.aspectj.lang.annotation.Around;
+import org.aspectj.lang.annotation.Aspect;
+import org.springframework.data.redis.core.RedisTemplate;
+import org.springframework.stereotype.Component;
+
+@Component
+@Aspect
+@RequiredArgsConstructor
+public class TicketLockAspect {
+
+	private final RedisTemplate<String, Object> redisTemplate;
+
+	@Around("execution(* com.ticketing.server.movie.service.TicketLockService.*(..))")
+	public Object ticketLock(ProceedingJoinPoint joinPoint) throws Throwable {
+		List<String> ticketLockIds = getTicketLockIds(joinPoint);
+
+		try {
+			if (!isEveryTicketIdLock(ticketLockIds)) {
+				throw new TicketingException(ErrorCode.BAD_REQUEST_TICKET_SOLD);
+			}
+
+			return joinPoint.proceed();
+		} finally {
+			ticketIdsUnlock(ticketLockIds);
+		}
+	}
+
+	protected boolean isEveryTicketIdLock(List<String> ids) {
+		for (String id : ids) {
+			if (Boolean.FALSE.equals(redisTemplate.opsForValue().setIfAbsent(id, LOCK_VALUE.getValue(), 5, TimeUnit.MINUTES))) {
+				return Boolean.FALSE;
+			}
+		}
+		return Boolean.TRUE;
+	}
+
+	protected Long ticketIdsUnlock(List<String> ids) {
+		return redisTemplate.delete(ids);
+	}
+
+	private List<String> getTicketLockIds(ProceedingJoinPoint joinPoint) {
+		for (Object arg : joinPoint.getArgs()) {
+			if (arg instanceof TicketIdsDTO) {
+				TicketIdsDTO ids = (TicketIdsDTO) arg;
+				return ids.makeTicketLockIds();
+			}
+		}
+
+		throw new TicketingException(ErrorCode.EMPTY_TICKET_ID);
+	}
+
+
+}

server/src/main/java/com/ticketing/server/movie/domain/Ticket.java

@@ -1,7 +1,13 @@
 package com.ticketing.server.movie.domain;
 
+import static com.ticketing.server.global.exception.ErrorCode.BAD_REQUEST_PAYMENT_CANCEL;
+import static com.ticketing.server.global.exception.ErrorCode.DUPLICATE_PAYMENT;
+import static com.ticketing.server.global.exception.ErrorCode.NOT_REFUNDABLE_SEAT;
+import static com.ticketing.server.global.exception.ErrorCode.NOT_REFUNDABLE_TIME;
+
 import com.ticketing.server.global.dto.repository.AbstractEntity;
 import com.ticketing.server.global.exception.ErrorCode;
+import com.ticketing.server.global.exception.TicketingException;
 import java.time.LocalDateTime;
 import java.time.temporal.ChronoUnit;
 import javax.persistence.Entity;
@@ -56,7 +62,7 @@ public class Ticket extends AbstractEntity {
 
 	public Ticket makeReservation() {
 		if (!TicketStatus.SALE.equals(status)) {
-			throw ErrorCode.throwDuplicatePayment();
+			throw new TicketingException(DUPLICATE_PAYMENT);
 		}
 
 		status = TicketStatus.RESERVATION;
@@ -65,7 +71,7 @@ public class Ticket extends AbstractEntity {
 
 	public Ticket makeSold(Long paymentId) {
 		if (TicketStatus.SOLD.equals(status)) {
-			throw ErrorCode.throwDuplicatePayment();
+			throw new TicketingException(DUPLICATE_PAYMENT);
 		}
 
 		status = TicketStatus.SOLD;
@@ -75,7 +81,7 @@ public class Ticket extends AbstractEntity {
 
 	public Ticket cancel() {
 		if (!TicketStatus.RESERVATION.equals(status)) {
-			throw ErrorCode.throwBadRequestPaymentCancel();
+			throw new TicketingException(BAD_REQUEST_PAYMENT_CANCEL);
 		}
 
 		status = TicketStatus.SALE;
@@ -86,7 +92,7 @@ public class Ticket extends AbstractEntity {
 	public Ticket refund(LocalDateTime dateTime) {
 		long seconds = ChronoUnit.SECONDS.between(dateTime, getStartAt());
 		if (600L > seconds) {
-			throw ErrorCode.throwNotRefundableTime();
+			throw new TicketingException(NOT_REFUNDABLE_TIME);
 		}
 
 		return refund();
@@ -94,7 +100,7 @@ public class Ticket extends AbstractEntity {
 
 	public Ticket refund() {
 		if (!TicketStatus.SOLD.equals(status)) {
-			throw ErrorCode.throwNotRefundableSeat();
+			throw new TicketingException(NOT_REFUNDABLE_SEAT);
 		}
 
 		status = TicketStatus.SALE;

server/src/main/java/com/ticketing/server/movie/domain/TicketLock.java

@@ -0,0 +1,15 @@
+package com.ticketing.server.movie.domain;
+
+import lombok.Getter;
+import lombok.RequiredArgsConstructor;
+
+@Getter
+@RequiredArgsConstructor
+public enum TicketLock {
+
+	LOCK_KEY("TicketLock"),
+	LOCK_VALUE("lock");
+
+	private final String value;
+
+}

server/src/main/java/com/ticketing/server/movie/service/TicketLockService.java

@@ -0,0 +1,77 @@
+package com.ticketing.server.movie.service;
+
+import static com.ticketing.server.global.exception.ErrorCode.BAD_REQUEST_MOVIE_TIME;
+import static com.ticketing.server.global.exception.ErrorCode.INVALID_TICKET_ID;
+
+import com.ticketing.server.global.exception.TicketingException;
+import com.ticketing.server.movie.domain.Ticket;
+import com.ticketing.server.movie.domain.repository.TicketRepository;
+import com.ticketing.server.movie.service.dto.TicketIdsDTO;
+import com.ticketing.server.movie.service.dto.TicketReservationDTO;
+import com.ticketing.server.movie.service.dto.TicketSoldDTO;
+import com.ticketing.server.movie.service.dto.TicketsReservationDTO;
+import com.ticketing.server.movie.service.dto.TicketsSoldDTO;
+import java.util.List;
+import java.util.stream.Collectors;
+import javax.validation.Valid;
+import javax.validation.constraints.NotNull;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+import org.springframework.validation.annotation.Validated;
+
+@Service
+@RequiredArgsConstructor
+@Validated
+public class TicketLockService {
+
+	private final TicketRepository ticketRepository;
+
+	public TicketsReservationDTO ticketReservation(@Valid TicketIdsDTO ticketIdsDto) {
+		List<Ticket> tickets = getTicketsByInTicketIds(ticketIdsDto.getTicketIds());
+
+		Long firstMovieTimeId = firstMovieTimeId(tickets);
+		List<TicketReservationDTO> reservationDtoList = tickets.stream()
+			.map(Ticket::makeReservation)
+			.filter(ticket -> firstMovieTimeId.equals(ticket.getMovieTimeId()))
+			.map(TicketReservationDTO::new)
+			.collect(Collectors.toList());
+
+		if (tickets.size() != reservationDtoList.size()) {
+			throw new TicketingException(BAD_REQUEST_MOVIE_TIME);
+		}
+
+		return new TicketsReservationDTO(firstMovieTitle(tickets), reservationDtoList);
+	}
+
+	public TicketsSoldDTO ticketSold(@NotNull Long paymentId, @Valid TicketIdsDTO ticketIdsDto) {
+		List<Ticket> tickets = getTicketsByInTicketIds(ticketIdsDto.getTicketIds());
+
+		List<TicketSoldDTO> soldDtoList = tickets.stream()
+			.map(ticket -> ticket.makeSold(paymentId))
+			.map(TicketSoldDTO::new)
+			.collect(Collectors.toList());
+
+		return new TicketsSoldDTO(paymentId, soldDtoList);
+	}
+
+	private List<Ticket> getTicketsByInTicketIds(List<Long> ticketIds) {
+		List<Ticket> tickets = ticketRepository.findTicketFetchJoinByTicketIds(ticketIds);
+
+		if (tickets.size() != ticketIds.size()) {
+			throw new TicketingException(INVALID_TICKET_ID);
+		}
+
+		return tickets;
+	}
+
+	private Long firstMovieTimeId(List<Ticket> tickets) {
+		Ticket ticket = tickets.get(0);
+		return ticket.getMovieTimeId();
+	}
+
+	private String firstMovieTitle(List<Ticket> tickets) {
+		Ticket ticket = tickets.get(0);
+		return ticket.getMovieTitle();
+	}
+
+}

server/src/main/java/com/ticketing/server/movie/service/TicketServiceImpl.java

@@ -1,15 +1,18 @@
 package com.ticketing.server.movie.service;
 
-import com.ticketing.server.global.exception.ErrorCode;
+import static com.ticketing.server.global.exception.ErrorCode.INVALID_TICKET_ID;
+import static com.ticketing.server.global.exception.ErrorCode.MOVIE_TIME_NOT_FOUND;
+import static com.ticketing.server.global.exception.ErrorCode.PAYMENT_ID_NOT_FOUND;
+
+import com.ticketing.server.global.exception.TicketingException;
 import com.ticketing.server.global.validator.constraints.NotEmptyCollection;
 import com.ticketing.server.movie.domain.MovieTime;
 import com.ticketing.server.movie.domain.Ticket;
 import com.ticketing.server.movie.domain.repository.MovieTimeRepository;
 import com.ticketing.server.movie.domain.repository.TicketRepository;
 import com.ticketing.server.movie.service.dto.TicketDTO;
+import com.ticketing.server.movie.service.dto.TicketIdsDTO;
 import com.ticketing.server.movie.service.dto.TicketRefundDTO;
-import com.ticketing.server.movie.service.dto.TicketReservationDTO;
-import com.ticketing.server.movie.service.dto.TicketSoldDTO;
 import com.ticketing.server.movie.service.dto.TicketsCancelDTO;
 import com.ticketing.server.movie.service.dto.TicketsReservationDTO;
 import com.ticketing.server.movie.service.dto.TicketsSoldDTO;
@@ -33,13 +36,13 @@ import org.springframework.validation.annotation.Validated;
 public class TicketServiceImpl implements TicketService {
 
 	private final TicketRepository ticketRepository;
-
 	private final MovieTimeRepository movieTimeRepository;
+	private final TicketLockService ticketLockService;
 
 	@Override
 	public List<TicketDTO> getTickets(@NotNull Long movieTimeId) {
 		MovieTime movieTime = movieTimeRepository.findById(movieTimeId)
-			.orElseThrow(ErrorCode::throwMovieTimeNotFound);
+			.orElseThrow(() -> new TicketingException(MOVIE_TIME_NOT_FOUND));
 
 		return ticketRepository.findValidTickets(movieTime)
 			.stream()
@@ -55,7 +58,7 @@ public class TicketServiceImpl implements TicketService {
 			.collect(Collectors.toList());
 
 		if (ticketDetails.isEmpty()) {
-			throw ErrorCode.throwPaymentIdNotFound();
+			throw new TicketingException(PAYMENT_ID_NOT_FOUND);
 		}
 
 		return ticketDetails;
@@ -64,33 +67,13 @@ public class TicketServiceImpl implements TicketService {
 	@Override
 	@Transactional
 	public TicketsReservationDTO ticketReservation(@NotEmptyCollection List<Long> ticketIds) {
-		List<Ticket> tickets = getTicketsByInTicketIds(ticketIds);
-
-		Long firstMovieTimeId = firstMovieTimeId(tickets);
-		List<TicketReservationDTO> reservationDtoList = tickets.stream()
-			.map(Ticket::makeReservation)
-			.filter(ticket -> firstMovieTimeId.equals(ticket.getMovieTimeId()))
-			.map(TicketReservationDTO::new)
-			.collect(Collectors.toList());
-
-		if (ticketIds.size() != reservationDtoList.size()) {
-			throw ErrorCode.throwBadRequestMovieTime();
-		}
-
-		return new TicketsReservationDTO(firstMovieTitle(tickets), reservationDtoList);
+		return ticketLockService.ticketReservation(new TicketIdsDTO(ticketIds));
 	}
 
 	@Override
 	@Transactional
 	public TicketsSoldDTO ticketSold(@NotNull Long paymentId, @NotEmptyCollection List<Long> ticketIds) {
-		List<Ticket> tickets = getTicketsByInTicketIds(ticketIds);
-
-		List<TicketSoldDTO> soldDtoList = tickets.stream()
-			.map(ticket -> ticket.makeSold(paymentId))
-			.map(TicketSoldDTO::new)
-			.collect(Collectors.toList());
-
-		return new TicketsSoldDTO(paymentId, soldDtoList);
+		return ticketLockService.ticketSold(paymentId, new TicketIdsDTO(ticketIds));
 	}
 
 	@Override
@@ -117,20 +100,10 @@ public class TicketServiceImpl implements TicketService {
 		List<Ticket> tickets = ticketRepository.findTicketFetchJoinByTicketIds(ticketIds);
 
 		if (tickets.size() != ticketIds.size()) {
-			throw ErrorCode.throwInvalidTicketId();
+			throw new TicketingException(INVALID_TICKET_ID);
 		}
 
 		return tickets;
 	}
 
-	private Long firstMovieTimeId(List<Ticket> tickets) {
-		Ticket ticket = tickets.get(0);
-		return ticket.getMovieTimeId();
-	}
-
-	private String firstMovieTitle(List<Ticket> tickets) {
-		Ticket ticket = tickets.get(0);
-		return ticket.getMovieTitle();
-	}
-
 }

server/src/main/java/com/ticketing/server/movie/service/dto/TicketIdsDTO.java

@@ -0,0 +1,24 @@
+package com.ticketing.server.movie.service.dto;
+
+import static com.ticketing.server.movie.domain.TicketLock.LOCK_KEY;
+
+import com.ticketing.server.global.validator.constraints.NotEmptyCollection;
+import java.util.List;
+import java.util.stream.Collectors;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+
+@Getter
+@AllArgsConstructor
+public class TicketIdsDTO {
+
+	@NotEmptyCollection
+	private List<Long> ticketIds;
+
+	public List<String> makeTicketLockIds() {
+		return ticketIds.stream()
+			.map(id -> LOCK_KEY.getValue() + ":" + id)
+			.collect(Collectors.toList());
+	}
+
+}

server/src/main/java/com/ticketing/server/movie/service/interfaces/TicketService.java

@@ -3,6 +3,7 @@ package com.ticketing.server.movie.service.interfaces;
 import com.ticketing.server.global.validator.constraints.NotEmptyCollection;
 import com.ticketing.server.movie.domain.Ticket;
 import com.ticketing.server.movie.service.dto.TicketDTO;
+import com.ticketing.server.movie.service.dto.TicketIdsDTO;
 import com.ticketing.server.movie.service.dto.TicketRefundDTO;
 import com.ticketing.server.movie.service.dto.TicketsCancelDTO;
 import com.ticketing.server.movie.service.dto.TicketsReservationDTO;
@@ -10,6 +11,7 @@ import com.ticketing.server.movie.service.dto.TicketsSoldDTO;
 import com.ticketing.server.payment.service.dto.TicketDetailDTO;
 import java.util.List;
 import java.util.function.UnaryOperator;
+import javax.validation.Valid;
 import javax.validation.constraints.NotNull;
 
 public interface TicketService {

server/src/test/java/com/ticketing/server/movie/aop/TicketLockAspectTest.java

@@ -0,0 +1,7 @@
+package com.ticketing.server.movie.aop;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+class TicketLockAspectTest {
+
+}

server/src/test/java/com/ticketing/server/movie/service/MovieServiceImplTest.java

@@ -4,7 +4,6 @@ import static org.assertj.core.api.Assertions.assertThat;
 import static org.assertj.core.api.Assertions.assertThatThrownBy;
 import static org.junit.jupiter.api.Assertions.assertTrue;
 import static org.mockito.ArgumentMatchers.any;
-import static org.mockito.ArgumentMatchers.anyLong;
 import static org.mockito.Mockito.when;
 
 import com.ticketing.server.global.exception.TicketingException;

server/src/test/java/com/ticketing/server/movie/service/MovieTimeServiceImplTest.java

@@ -1,15 +1,23 @@
 package com.ticketing.server.movie.service;
 
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
 import static org.junit.jupiter.api.Assertions.assertTrue;
+import static org.mockito.ArgumentMatchers.anyInt;
+import static org.mockito.ArgumentMatchers.anyLong;
 import static org.mockito.Mockito.when;
 import static org.mockito.ArgumentMatchers.any;
 
+import com.ticketing.server.global.exception.TicketingException;
 import com.ticketing.server.movie.domain.Movie;
 import com.ticketing.server.movie.domain.MovieTime;
 import com.ticketing.server.movie.domain.Theater;
 import com.ticketing.server.movie.domain.repository.MovieRepository;
 import com.ticketing.server.movie.domain.repository.MovieTimeRepository;
+import com.ticketing.server.movie.domain.repository.TheaterRepository;
 import com.ticketing.server.movie.service.dto.MovieTimeDTO;
+import com.ticketing.server.movie.service.dto.MovieTimeRegisterDTO;
+import com.ticketing.server.movie.service.dto.RegisteredMovieTimeDTO;
 import java.time.LocalDate;
 import java.time.LocalDateTime;
 import java.util.ArrayList;
@@ -27,11 +35,15 @@ import org.mockito.junit.jupiter.MockitoExtension;
 public class MovieTimeServiceImplTest {
 
     String title = "범죄도시2";
+	LocalDateTime startAt = LocalDateTime.now();
     List<MovieTime> movieTimes = new ArrayList<>();
 
     @Mock
     MovieRepository movieRepository;
 
+	@Mock
+	TheaterRepository theaterRepository;
+
     @Mock
     MovieTimeRepository movieTimeRepository;
 
@@ -39,7 +51,7 @@ public class MovieTimeServiceImplTest {
     MovieTimeServiceImpl movieTimeService;
 
     @Test
-    @DisplayName("MovieTime Service Test - get empty list when there are no valid movie times")
+    @DisplayName("MovieTime Service Test - get empty list when there is no valid movie time")
     void shouldGetEmptyList() {
         // given
         Movie movie = new Movie(title, 106L);
@@ -82,4 +94,76 @@ public class MovieTimeServiceImplTest {
         assertTrue(!movieTimeDtos.isEmpty());
     }
 
+	@Test
+	@DisplayName("MovieTime Service Test - register movie time")
+	void shouldAbleToRegisterMovieTime() {
+		// given
+		Movie movie = new Movie(title, 100L);
+		Theater theater = new Theater(1);
+		MovieTime movieTime = new MovieTime(movie, theater, 1, startAt);
+
+		when(movieRepository.findByIdAndDeletedAtNull(anyLong()))
+			.thenReturn(Optional.of(movie));
+
+		when(theaterRepository.findByTheaterNumber(anyInt()))
+			.thenReturn(Optional.of(theater));
+
+		when(movieTimeRepository.findByMovieAndTheaterAndRoundAndDeletedAtNull(any(), any(), anyInt()))
+			.thenReturn(Optional.empty());
+
+		when(movieTimeRepository.save(any()))
+			.thenReturn(movieTime);
+
+		// when
+		RegisteredMovieTimeDTO registeredMovieTimeDto =
+			movieTimeService.registerMovieTime(
+				new MovieTimeRegisterDTO(1L, 1, 1, startAt)
+			);
+
+		// then
+		assertThat(registeredMovieTimeDto).isNotNull();
+		assertTrue(registeredMovieTimeDto.getTheaterNumber() == 1);
+		assertTrue(registeredMovieTimeDto.getStartAt() == startAt);
+		assertTrue(registeredMovieTimeDto.getRound() == 1);
+	}
+
+	@Test
+	@DisplayName("MovieTime Service Test - register movie time when there is same movie time already")
+	void shouldThrowExceptionWhenRegisteringDuplicateMovieTime() {
+		// given
+		Movie movie = new Movie(title, 100L);
+		Theater theater = new Theater(1);
+		MovieTime movieTime = new MovieTime(movie, theater, 1, startAt);
+		MovieTimeRegisterDTO movieTimeRegisterDto = new MovieTimeRegisterDTO(1L, 1, 1, startAt);
+
+		when(movieRepository.findByIdAndDeletedAtNull(anyLong()))
+			.thenReturn(Optional.of(movie));
+
+		when(theaterRepository.findByTheaterNumber(anyInt()))
+			.thenReturn(Optional.of(theater));
+
+		when(movieTimeRepository.findByMovieAndTheaterAndRoundAndDeletedAtNull(any(), any(), anyInt()))
+			.thenReturn(Optional.of(movieTime));
+
+		// when
+		// then
+		assertThatThrownBy(() -> movieTimeService.registerMovieTime(movieTimeRegisterDto))
+			.isInstanceOf(TicketingException.class);
+	}
+
+	@Test
+	@DisplayName("MovieTime Service Test - register movie time when there is no such movie")
+	void shouldThrowExceptionWhenRegisteringMovieTimeWithNoSuchMovie() {
+		// given
+		Theater theater = new Theater(1);
+		MovieTimeRegisterDTO movieTimeRegisterDto = new MovieTimeRegisterDTO(1L, 1, 1, startAt);
+
+		when(movieRepository.findByIdAndDeletedAtNull(1L))
+			.thenReturn(Optional.empty());
+
+		// when
+		// then
+		assertThatThrownBy(() -> movieTimeService.registerMovieTime(movieTimeRegisterDto))
+			.isInstanceOf(TicketingException.class);
+	}
 }

server/src/test/java/com/ticketing/server/movie/service/TicketLockServiceTest.java

@@ -0,0 +1,68 @@
+package com.ticketing.server.movie.service;
+
+import static com.ticketing.server.movie.domain.TicketTest.setupTickets;
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
+import static org.mockito.Mockito.when;
+
+import com.ticketing.server.global.exception.ErrorCode;
+import com.ticketing.server.global.exception.TicketingException;
+import com.ticketing.server.movie.domain.Ticket;
+import com.ticketing.server.movie.domain.repository.TicketRepository;
+import com.ticketing.server.movie.service.dto.TicketIdsDTO;
+import com.ticketing.server.movie.service.dto.TicketsReservationDTO;
+import java.util.List;
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.junit.jupiter.MockitoExtension;
+
+@ExtendWith(MockitoExtension.class)
+class TicketLockServiceTest {
+
+	@Mock
+	TicketRepository ticketRepository;
+
+	@InjectMocks
+	TicketLockService ticketLockService;
+
+	@Test
+	@DisplayName("티켓목록 예약으로 변경 시 조회된 갯수랑 다른 경우")
+	void ticketReservationFail() {
+		// given
+		List<Ticket> tickets = setupTickets();
+		List<Ticket> list = List.of(tickets.get(0), tickets.get(1), tickets.get(2));
+		List<Long> ids = List.of(0L, 1L, 2L, 10000L);
+		TicketIdsDTO ticketIdsDto = new TicketIdsDTO(ids);
+
+		when(ticketRepository.findTicketFetchJoinByTicketIds(ids)).thenReturn(list);
+
+		// when
+		// then
+		assertThatThrownBy(() -> ticketLockService.ticketReservation(ticketIdsDto))
+			.isInstanceOf(TicketingException.class)
+			.extracting("errorCode")
+			.isEqualTo(ErrorCode.INVALID_TICKET_ID);
+	}
+
+	@Test
+	@DisplayName("티켓목록 예약으로 변경 완료")
+	void ticketReservationSuccess() {
+		// given
+		List<Ticket> tickets = setupTickets();
+		List<Ticket> list = List.of(tickets.get(0), tickets.get(1), tickets.get(2));
+		List<Long> ids = List.of(0L, 1L, 2L);
+		TicketIdsDTO ticketIdsDto = new TicketIdsDTO(ids);
+
+		when(ticketRepository.findTicketFetchJoinByTicketIds(ids)).thenReturn(list);
+
+		// when
+		TicketsReservationDTO ticketReservationsDto = ticketLockService.ticketReservation(ticketIdsDto);
+
+		// then
+		assertThat(ticketReservationsDto.getTicketReservationDtoList()).hasSize(3);
+	}
+
+}

server/src/test/java/com/ticketing/server/movie/service/TicketServiceImplTest.java

@@ -10,7 +10,6 @@ import com.ticketing.server.global.exception.ErrorCode;
 import com.ticketing.server.global.exception.TicketingException;
 import com.ticketing.server.movie.domain.Ticket;
 import com.ticketing.server.movie.domain.repository.TicketRepository;
-import com.ticketing.server.movie.service.dto.TicketsReservationDTO;
 import com.ticketing.server.payment.service.dto.TicketDetailDTO;
 import java.util.Collections;
 import java.util.List;
@@ -61,39 +60,4 @@ class TicketServiceImplTest {
 		);
 	}
 
-	@Test
-	@DisplayName("티켓목록 예약으로 변경 시 조회된 갯수랑 다른 경우")
-	void ticketReservationFail() {
-		// given
-		List<Ticket> tickets = setupTickets();
-		List<Ticket> list = List.of(tickets.get(0), tickets.get(1), tickets.get(2));
-		List<Long> ids = List.of(0L, 1L, 2L, 10000L);
-
-		when(ticketRepository.findTicketFetchJoinByTicketIds(ids)).thenReturn(list);
-
-		// when
-		// then
-		assertThatThrownBy(() -> ticketService.ticketReservation(ids))
-			.isInstanceOf(TicketingException.class)
-			.extracting("errorCode")
-			.isEqualTo(ErrorCode.INVALID_TICKET_ID);
-	}
-
-	@Test
-	@DisplayName("티켓목록 예약으로 변경 완료")
-	void ticketReservationSuccess() {
-		// given
-		List<Ticket> tickets = setupTickets();
-		List<Ticket> list = List.of(tickets.get(0), tickets.get(1), tickets.get(2));
-		List<Long> ids = List.of(0L, 1L, 2L);
-
-		when(ticketRepository.findTicketFetchJoinByTicketIds(ids)).thenReturn(list);
-
-		// when
-		TicketsReservationDTO ticketReservationsDto = ticketService.ticketReservation(ids);
-
-		// then
-		assertThat(ticketReservationsDto.getTicketReservationDtoList()).hasSize(3);
-	}
-
 }