HHH-17755 add test for issue

hibernate-core/src/test/java/org/hibernate/orm/test/annotations/mapsid/MapsIdClassTest.java

@@ -0,0 +1,104 @@
+package org.hibernate.orm.test.annotations.mapsid;
+
+import jakarta.persistence.Column;
+import jakarta.persistence.Entity;
+import jakarta.persistence.GeneratedValue;
+import jakarta.persistence.GenerationType;
+import jakarta.persistence.Id;
+import jakarta.persistence.IdClass;
+import jakarta.persistence.ManyToOne;
+import jakarta.persistence.MapsId;
+import jakarta.persistence.OneToMany;
+import jakarta.persistence.PrimaryKeyJoinColumn;
+import jakarta.persistence.Table;
+import org.hibernate.testing.orm.junit.DomainModel;
+import org.hibernate.testing.orm.junit.SessionFactory;
+import org.hibernate.testing.orm.junit.SessionFactoryScope;
+import org.junit.jupiter.api.Test;
+
+import java.util.HashSet;
+import java.util.Set;
+
+import static jakarta.persistence.CascadeType.*;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+@SessionFactory
+@DomainModel(annotatedClasses ={MapsIdClassTest.User.class, MapsIdClassTest.UserAuthority.class})
+public class MapsIdClassTest {
+
+	@Test
+	void test(SessionFactoryScope scope) {
+		scope.inTransaction( s-> {
+			User ue = new User();
+			ue.setName("Gavin");
+			UserAuthority uae = new UserAuthority();
+			ue.addUserAuthority(uae);
+			uae.setUser(ue);
+			uae.setAuthority("God");
+			s.persist(ue);
+			s.flush();
+			assertEquals( ue.id, uae.userId );
+		});
+
+	}
+
+	static class UserAuthorityId {
+		private Long userId;
+		private String authority;
+	}
+
+	@Entity
+	@Table(name = "users")
+	static class User {
+
+		@Id
+		@GeneratedValue(strategy = GenerationType.IDENTITY)
+		Long id;
+
+		String name;
+
+		String password;
+
+		@Column(name = "is_enabled")
+		boolean enabled;
+
+		public void setName(String name) {
+			this.name = name;
+		}
+
+		@OneToMany(
+				cascade = {PERSIST, MERGE, REMOVE},
+				mappedBy = "user",
+				orphanRemoval = true)
+		private Set<UserAuthority> userAuthorities = new HashSet<>();
+
+		public void addUserAuthority(UserAuthority userAuthority) {
+			this.userAuthorities.add(userAuthority);
+		}
+	}
+
+	@Entity
+	@IdClass(UserAuthorityId.class)
+	@Table(name = "user_authorities")
+	static class UserAuthority {
+
+		@Id
+		private Long userId;
+
+		@Id
+		private String authority;
+
+		@ManyToOne
+		@MapsId("userId")
+		@PrimaryKeyJoinColumn(name = "user_id")
+		private User user;
+
+		public void setUser(User user) {
+			this.user = user;
+		}
+
+		public void setAuthority(String authority) {
+			this.authority = authority;
+		}
+	}
+}