HHH-18617 Add test for issue

hibernate-core/src/test/java/org/hibernate/orm/test/tenantid/TenantIdToOneBidirectionalTest.java

@@ -0,0 +1,162 @@
+/*
+ * SPDX-License-Identifier: LGPL-2.1-or-later
+ * Copyright Red Hat Inc. and Hibernate Authors
+ */
+package org.hibernate.orm.test.tenantid;
+
+import org.hibernate.annotations.TenantId;
+import org.hibernate.boot.SessionFactoryBuilder;
+import org.hibernate.boot.spi.MetadataImplementor;
+import org.hibernate.cfg.AvailableSettings;
+import org.hibernate.context.spi.CurrentTenantIdentifierResolver;
+import org.hibernate.engine.spi.SessionFactoryImplementor;
+
+import org.hibernate.testing.orm.junit.DomainModel;
+import org.hibernate.testing.orm.junit.Jira;
+import org.hibernate.testing.orm.junit.ServiceRegistry;
+import org.hibernate.testing.orm.junit.SessionFactory;
+import org.hibernate.testing.orm.junit.SessionFactoryProducer;
+import org.hibernate.testing.orm.junit.SessionFactoryScope;
+import org.hibernate.testing.orm.junit.Setting;
+import org.junit.jupiter.api.BeforeAll;
+import org.junit.jupiter.api.Test;
+
+import jakarta.persistence.CascadeType;
+import jakarta.persistence.Entity;
+import jakarta.persistence.Id;
+import jakarta.persistence.JoinColumn;
+import jakarta.persistence.OneToOne;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+/**
+ * @author Marco Belladelli
+ */
+@DomainModel( annotatedClasses = {
+		TenantIdToOneBidirectionalTest.RootEntity.class,
+		TenantIdToOneBidirectionalTest.ChildEntity.class,
+} )
+@SessionFactory
+@ServiceRegistry( settings = @Setting( name = AvailableSettings.HBM2DDL_AUTO, value = "create-drop" ) )
+@Jira( "https://hibernate.atlassian.net/browse/HHH-18617" )
+public class TenantIdToOneBidirectionalTest implements SessionFactoryProducer {
+	private static String currentTenant;
+
+	@Test
+	public void testExistingRoot(SessionFactoryScope scope) {
+		currentTenant = "tenant_1";
+		scope.inTransaction( session -> {
+			final var child = session.find( ChildEntity.class, 1L );
+			assertThat( child.getRoot() ).isNotNull().extracting( RootEntity::getChild ).isSameAs( child );
+		} );
+	}
+
+	@Test
+	public void testRemovedRoot(SessionFactoryScope scope) {
+		currentTenant = "tenant_2";
+		scope.inTransaction( session -> {
+			final var child = session.find( ChildEntity.class, 2L );
+			assertThat( child.getRoot() ).isNull();
+		} );
+	}
+
+	@Test
+	public void testNoRoot(SessionFactoryScope scope) {
+		currentTenant = "tenant_3";
+		scope.inTransaction( session -> {
+			final var child = session.find( ChildEntity.class, 3L );
+			assertThat( child.getRoot() ).isNull();
+		} );
+	}
+
+	@BeforeAll
+	public void setUp(SessionFactoryScope scope) {
+		currentTenant = "tenant_1";
+		scope.inTransaction( session -> {
+			final var withChild = new RootEntity( 1L );
+			withChild.setChild( new ChildEntity( 1L ) );
+			session.persist( withChild );
+		} );
+		currentTenant = "tenant_2";
+		scope.inTransaction( session -> {
+			final var deletedRoot = new RootEntity( 2L );
+			final var child = new ChildEntity( 2L );
+			deletedRoot.setChild( child );
+			session.persist( deletedRoot );
+
+			session.flush();
+			session.clear();
+			session.remove( deletedRoot );
+		} );
+		currentTenant = "tenant_3";
+		scope.inTransaction( session -> session.persist( new ChildEntity( 3L ) ) );
+	}
+
+	@Override
+	public SessionFactoryImplementor produceSessionFactory(MetadataImplementor model) {
+		final SessionFactoryBuilder sfb = model.getSessionFactoryBuilder();
+		sfb.applyCurrentTenantIdentifierResolver( new CurrentTenantIdentifierResolver<String>() {
+			@Override
+			public String resolveCurrentTenantIdentifier() {
+				return currentTenant;
+			}
+
+			@Override
+			public boolean validateExistingCurrentSessions() {
+				return false;
+			}
+		} );
+		return (SessionFactoryImplementor) sfb.build();
+	}
+
+	@Entity( name = "RootEntity" )
+	static class RootEntity {
+		@Id
+		private Long id;
+
+		@TenantId
+		private String tenant;
+
+		@OneToOne( cascade = CascadeType.PERSIST )
+		@JoinColumn
+		private ChildEntity child;
+
+		public RootEntity() {
+		}
+
+		public RootEntity(Long id) {
+			this.id = id;
+		}
+
+		public ChildEntity getChild() {
+			return child;
+		}
+
+		public void setChild(ChildEntity child) {
+			this.child = child;
+		}
+	}
+
+	@Entity( name = "ChildEntity" )
+	static class ChildEntity {
+		@Id
+		private Long id;
+
+		@TenantId
+		private String tenant;
+
+		@OneToOne( mappedBy = "child" )
+		private RootEntity root;
+
+		public ChildEntity() {
+		}
+
+		public ChildEntity(Long id) {
+			this.id = id;
+		}
+
+		public RootEntity getRoot() {
+			return root;
+		}
+	}
+}