HHH-16574 Add test for issue
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Marco Belladelli
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/*
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* Hibernate, Relational Persistence for Idiomatic Java
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*
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* License: GNU Lesser General Public License (LGPL), version 2.1 or later
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* See the lgpl.txt file in the root directory or http://www.gnu.org/licenses/lgpl-2.1.html
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*/
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package org.hibernate.orm.test.inheritance;
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import org.hibernate.testing.orm.junit.DomainModel;
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import org.hibernate.testing.orm.junit.Jira;
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import org.hibernate.testing.orm.junit.SessionFactory;
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import org.hibernate.testing.orm.junit.SessionFactoryScope;
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import org.junit.jupiter.api.AfterAll;
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import org.junit.jupiter.api.BeforeAll;
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import org.junit.jupiter.api.Test;
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import jakarta.persistence.Column;
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import jakarta.persistence.Entity;
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import jakarta.persistence.GeneratedValue;
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import jakarta.persistence.Id;
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import jakarta.persistence.Inheritance;
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import jakarta.persistence.InheritanceType;
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import jakarta.persistence.JoinColumn;
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import jakarta.persistence.ManyToOne;
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import static org.assertj.core.api.Assertions.assertThat;
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/**
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* @author Marco Belladelli
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*/
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@SessionFactory
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@DomainModel( annotatedClasses = {
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JoinedInheritanceTreatQueryTest.Product.class,
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JoinedInheritanceTreatQueryTest.ProductOwner.class,
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JoinedInheritanceTreatQueryTest.ProductOwner1.class,
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JoinedInheritanceTreatQueryTest.ProductOwner2.class,
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JoinedInheritanceTreatQueryTest.Description.class,
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} )
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@Jira( "https://hibernate.atlassian.net/browse/HHH-16574" )
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public class JoinedInheritanceTreatQueryTest {
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@BeforeAll
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public void setUp(SessionFactoryScope scope) {
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scope.inTransaction( session -> {
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final Description description = new Description( "description" );
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session.persist( description );
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final ProductOwner1 own1 = new ProductOwner1( description );
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session.persist( own1 );
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session.persist( new Product( own1 ) );
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final ProductOwner2 own2 = new ProductOwner2( "basic_prop" );
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session.persist( own2 );
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session.persist( new Product( own2 ) );
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} );
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}
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@AfterAll
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public void tearDown(SessionFactoryScope scope) {
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scope.inTransaction( session -> {
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session.createMutationQuery( "delete from Product" ).executeUpdate();
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session.createMutationQuery( "delete from ProductOwner" ).executeUpdate();
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session.createMutationQuery( "delete from Description" ).executeUpdate();
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} );
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}
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@Test
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public void testTreatedJoin(SessionFactoryScope scope) {
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scope.inTransaction( session -> {
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final Product result = session.createQuery(
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"from Product p " +
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"join treat(p.owner AS ProductOwner1) as own1 " +
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"join own1.description",
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Product.class
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).getSingleResult();
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assertThat( result.getOwner() ).isInstanceOf( ProductOwner1.class );
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assertThat( ( (ProductOwner1) result.getOwner() ).getDescription().getText() ).isEqualTo( "description" );
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} );
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}
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@Test
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public void testImplicitTreatedJoin(SessionFactoryScope scope) {
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scope.inTransaction( session -> {
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final Product result = session.createQuery(
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"from Product p " +
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"join treat(p.owner as ProductOwner1).description",
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Product.class
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).getSingleResult();
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assertThat( result.getOwner() ).isInstanceOf( ProductOwner1.class );
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assertThat( ( (ProductOwner1) result.getOwner() ).getDescription().getText() ).isEqualTo( "description" );
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} );
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}
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@Test
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public void testTreatedRoot(SessionFactoryScope scope) {
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scope.inTransaction( session -> {
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final ProductOwner result = session.createQuery(
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"from ProductOwner owner " +
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"join treat(owner as ProductOwner1).description",
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ProductOwner.class
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).getSingleResult();
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assertThat( result ).isInstanceOf( ProductOwner1.class );
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assertThat( ( (ProductOwner1) result ).getDescription().getText() ).isEqualTo( "description" );
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} );
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}
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@Test
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public void testTreatedEntityJoin(SessionFactoryScope scope) {
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scope.inTransaction( session -> {
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final Product result = session.createQuery(
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"from Product p " +
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"join ProductOwner owner on p.ownerId = owner.id " +
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"join treat(owner as ProductOwner1).description",
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Product.class
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).getSingleResult();
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assertThat( result.getOwner() ).isInstanceOf( ProductOwner1.class );
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assertThat( ( (ProductOwner1) result.getOwner() ).getDescription().getText() ).isEqualTo( "description" );
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} );
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}
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@Test
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public void testBasicProperty(SessionFactoryScope scope) {
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scope.inTransaction( session -> {
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final Product result = session.createQuery(
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"from Product p " +
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"join treat(p.owner AS ProductOwner2) as own2 " +
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"where own2.basicProp = 'basic_prop'",
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Product.class
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).getSingleResult();
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assertThat( result.getOwner() ).isInstanceOf( ProductOwner2.class );
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assertThat( ( (ProductOwner2) result.getOwner() ).getBasicProp() ).isEqualTo( "basic_prop" );
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} );
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}
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@Entity( name = "Product" )
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public static class Product {
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@Id
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@GeneratedValue
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private Integer id;
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@ManyToOne
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@JoinColumn( name = "owner_id" )
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private ProductOwner owner;
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@Column( name = "owner_id", insertable = false, updatable = false )
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private Integer ownerId;
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public Product() {
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}
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public Product(ProductOwner owner) {
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this.owner = owner;
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}
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public ProductOwner getOwner() {
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return owner;
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}
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}
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@Entity( name = "ProductOwner" )
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@Inheritance( strategy = InheritanceType.JOINED )
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public static class ProductOwner {
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@Id
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@GeneratedValue
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private Integer id;
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}
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@Entity( name = "ProductOwner1" )
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public static class ProductOwner1 extends ProductOwner {
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@ManyToOne
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private Description description;
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public ProductOwner1() {
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}
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public ProductOwner1(Description description) {
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this.description = description;
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}
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public Description getDescription() {
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return description;
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}
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}
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@Entity( name = "ProductOwner2" )
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public static class ProductOwner2 extends ProductOwner {
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@ManyToOne
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private Description description;
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private String basicProp;
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public ProductOwner2() {
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}
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public ProductOwner2(String basicProp) {
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this.basicProp = basicProp;
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}
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public String getBasicProp() {
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return basicProp;
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}
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}
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@Entity( name = "Description" )
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public static class Description {
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@Id
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@GeneratedValue
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public Integer id;
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public String text;
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public Description() {
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}
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public Description(String text) {
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this.text = text;
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}
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public String getText() {
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return text;
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}
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}
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}
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