test: User 테스트 추가

src/main/java/site/youtogether/room/Room.java

@@ -1,10 +1,13 @@
 package site.youtogether.room;
 
+import static site.youtogether.util.AppConstants.*;
+
 import java.time.LocalDateTime;
 import java.util.HashMap;
 import java.util.Map;
 
 import org.springframework.data.annotation.Id;
+import org.springframework.data.redis.core.TimeToLive;
 
 import com.redis.om.spring.annotations.Document;
 import com.redis.om.spring.annotations.Indexed;
@@ -38,6 +41,9 @@ public class Room {
 	private String password;
 	private Map<Long, Participant> participants = new HashMap<>(10);
 
+	@TimeToLive
+	private final Long expirationTime = TIME_TO_LIVE;
+
 	@Builder
 	private Room(String code, String title, int capacity, String password, LocalDateTime createdAt, User host) {
 		this.code = code;

src/main/java/site/youtogether/user/User.java

@@ -1,9 +1,12 @@
 package site.youtogether.user;
 
+import static site.youtogether.util.AppConstants.*;
+
 import java.util.HashMap;
 import java.util.Map;
 
 import org.springframework.data.annotation.Id;
+import org.springframework.data.redis.core.TimeToLive;
 
 import com.redis.om.spring.annotations.Document;
 
@@ -29,6 +32,9 @@ public class User {
 	private String currentRoomCode;
 	private Map<String, Role> history = new HashMap<>();
 
+	@TimeToLive
+	private final Long expirationTime = TIME_TO_LIVE;
+
 	@Builder
 	private User(Long id, String nickname, String currentRoomCode) {
 		this.id = id;
@@ -58,6 +64,11 @@ public boolean hasLowerOrEqualRoleThan(Role compareRole) {
 		return role.isLowerOrEqualThan(compareRole);
 	}
 
+	private boolean hasLowerRoleThan(Role compareRole) {
+		Role role = getRoleInCurrentRoom();
+		return role.isLowerThan(compareRole);
+	}
+
 	public void changeNickname(String updateNickname) {
 		nickname = updateNickname;
 	}
@@ -79,7 +90,7 @@ public void changeOtherUserRole(String roomCode, User targetUser, Role newUserRo
 			throw new HigherOrEqualRoleUserChangeException();
 		}
 
-		if (hasLowerOrEqualRoleThan(newUserRole)) {
+		if (hasLowerRoleThan(newUserRole)) {
 			throw new HigherOrEqualRoleChangeException();
 		}
 

src/main/java/site/youtogether/util/AppConstants.java

@@ -10,6 +10,6 @@ public final class AppConstants {
 	public static final String STOMP_ENDPOINT = "/stomp";
 	public static final String USER_ID = "userId";
 	public static final String ROOM_CODE = "roomCode";
-	public static final String BEARER = "Bearer ";
+	public static final Long TIME_TO_LIVE = 86400L;
 
 }

src/test/java/site/youtogether/user/UserTest.java

@@ -0,0 +1,58 @@
+package site.youtogether.user;
+
+import static org.assertj.core.api.Assertions.*;
+
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+
+import site.youtogether.exception.user.HigherOrEqualRoleUserChangeException;
+
+class UserTest {
+
+	@Test
+	@DisplayName("자신보다 낮은 역할의 유저를 자신과 같은 역할까지 올릴 수 있다")
+	void changeRole() {
+		// given
+		String roomCode = "room code";
+
+		User host = User.builder()
+			.id(1L)
+			.currentRoomCode(roomCode)
+			.build();
+		host.getHistory().put(roomCode, Role.HOST);
+		User targetUser = User.builder()
+			.id(2L)
+			.currentRoomCode(roomCode)
+			.build();
+		targetUser.getHistory().put(roomCode, Role.VIEWER);
+
+		// when
+		host.changeOtherUserRole(roomCode, targetUser, Role.HOST);
+
+		// then
+		assertThat(targetUser.getRoleInCurrentRoom()).isEqualTo(Role.HOST);
+	}
+
+	@Test
+	@DisplayName("자신과 동일하거나 높은 유저의 역할은 변경할 수 없다")
+	void changeRoleFail() {
+		// given
+		String roomCode = "room code";
+
+		User manager = User.builder()
+			.id(1L)
+			.currentRoomCode(roomCode)
+			.build();
+		manager.getHistory().put(roomCode, Role.MANAGER);
+		User targetUser = User.builder()
+			.id(2L)
+			.currentRoomCode(roomCode)
+			.build();
+		targetUser.getHistory().put(roomCode, Role.MANAGER);
+
+		// when / then
+		assertThatThrownBy(() -> manager.changeOtherUserRole(roomCode, targetUser, Role.GUEST))
+			.isInstanceOf(HigherOrEqualRoleUserChangeException.class);
+	}
+
+}