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codylerumcodylerum
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basics of a test showing failure
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‎hibernate-core/src/test/java/org/hibernate/orm/test/jpa/broken/JPAUnitTestCase.java‎

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/*
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* SPDX-License-Identifier: LGPL-2.1-or-later
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* Copyright Red Hat Inc. and Hibernate Authors
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*/
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package org.hibernate.orm.test.jpa.broken;
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import jakarta.persistence.EntityManager;
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import jakarta.persistence.criteria.CriteriaQuery;
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import jakarta.persistence.criteria.Root;
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import org.hibernate.orm.test.jpa.BaseEntityManagerFunctionalTestCase;
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import org.junit.Before;
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import org.junit.Test;
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import java.util.List;
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import java.util.Map;
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import java.util.Objects;
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import java.util.stream.LongStream;
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import static org.hibernate.testing.transaction.TransactionUtil.doInJPA;
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public class JPAUnitTestCase extends BaseEntityManagerFunctionalTestCase {
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@Override
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public Class<?>[] getAnnotatedClasses() {
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return new Class[] {ThirdParty.class, Provider.class, VoiceGroup.class, TelephoneNumber.class};
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}
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@Before
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public void setup() {
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doInJPA( this::entityManagerFactory, em -> {
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ThirdParty thirdParty = new ThirdParty();
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thirdParty.setName( "Globex Corporation" );
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em.persist( thirdParty );
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Provider provider = new Provider();
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provider.setThirdParty( thirdParty );
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em.persist( provider );
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VoiceGroup voiceGroup = new VoiceGroup();
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em.persist( voiceGroup );
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TelephoneNumber primaryNumber = new TelephoneNumber();
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primaryNumber.setNumber( "4065551234" );
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primaryNumber.setProvider( provider );
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primaryNumber.setVoiceGroup( voiceGroup );
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em.persist( primaryNumber );
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voiceGroup.setPrimaryNumber( primaryNumber );
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LongStream.rangeClosed( 4065551235L, 4065551255L ).forEach( value -> {
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TelephoneNumber telephoneNumber = new TelephoneNumber();
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telephoneNumber.setNumber( String.valueOf( value ) );
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telephoneNumber.setProvider( provider );
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telephoneNumber.setVoiceGroup( voiceGroup );
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em.persist( telephoneNumber );
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} );
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} );
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}
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@Test
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public void testThatPasses() {
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EntityManager em = getOrCreateEntityManager();
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em.getTransaction().begin();
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VoiceGroup voiceGroup = em.find( VoiceGroup.class, 1,
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Map.of( "jakarta.persistence.fetchgraph", em.getEntityGraph( "voiceGroup.graph" ) ) );
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allNumbersWithThirdPartyFetch( em, voiceGroup ).forEach( telephoneNumber -> Objects.requireNonNull( telephoneNumber.getProvider().getName() ) );
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em.getTransaction().commit();
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em.close();
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}
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@Test
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public void testThatFails() {
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EntityManager em = getOrCreateEntityManager();
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em.getTransaction().begin();
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VoiceGroup voiceGroup = em.find( VoiceGroup.class, 1,
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Map.of( "jakarta.persistence.fetchgraph", em.getEntityGraph( "voiceGroup.graph" ) ) );
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allNumbersWithoutThirdPartyFetch( em, voiceGroup ).forEach( telephoneNumber -> Objects.requireNonNull( telephoneNumber.getProvider().getName() ) );
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em.getTransaction().commit();
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em.close();
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}
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private List<TelephoneNumber> allNumbersWithoutThirdPartyFetch(EntityManager em, VoiceGroup voiceGroup) {
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CriteriaQuery<TelephoneNumber> query = em.getCriteriaBuilder().createQuery( TelephoneNumber.class );
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Root<TelephoneNumber> root = query.from( TelephoneNumber.class );
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root.fetch( "provider" );
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query.where( em.getCriteriaBuilder().equal( root.get( "voiceGroup" ), voiceGroup ) );
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return em.createQuery( query ).getResultList();
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}
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private List<TelephoneNumber> allNumbersWithThirdPartyFetch(EntityManager em, VoiceGroup voiceGroup) {
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CriteriaQuery<TelephoneNumber> query = em.getCriteriaBuilder().createQuery( TelephoneNumber.class );
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Root<TelephoneNumber> root = query.from( TelephoneNumber.class );
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root.fetch( "provider" ).fetch( "thirdParty" );
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query.where( em.getCriteriaBuilder().equal( root.get( "voiceGroup" ), voiceGroup ) );
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return em.createQuery( query ).getResultList();
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}
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}

‎hibernate-core/src/test/java/org/hibernate/orm/test/jpa/broken/Provider.java‎

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/*
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* SPDX-License-Identifier: LGPL-2.1-or-later
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* Copyright Red Hat Inc. and Hibernate Authors
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*/
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package org.hibernate.orm.test.jpa.broken;
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import jakarta.persistence.Entity;
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import jakarta.persistence.GeneratedValue;
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import jakarta.persistence.GenerationType;
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import jakarta.persistence.Id;
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import jakarta.persistence.OneToOne;
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import jakarta.persistence.Transient;
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import jakarta.persistence.Version;
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import java.io.Serializable;
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import java.util.Objects;
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@Entity
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public class Provider implements Serializable {
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private Integer id;
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private int version;
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private ThirdParty thirdParty;
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@Id
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@GeneratedValue(strategy = GenerationType.IDENTITY)
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public Integer getId() {
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return id;
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}
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public void setId(Integer id) {
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this.id = id;
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}
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@Version
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public int getVersion() {
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return version;
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}
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public void setVersion(int version) {
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this.version = version;
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}
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@OneToOne(mappedBy = "provider", optional = false)
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public ThirdParty getThirdParty() {
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return thirdParty;
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}
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public void setThirdParty(ThirdParty thirdParty) {
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this.thirdParty = thirdParty;
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}
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@Transient
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public String getName() {
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return thirdParty.getName();
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}
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@Override
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public boolean equals(Object o) {
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if (o instanceof Provider provider) {
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return this == o || getId().equals(provider.getId());
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}
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else {
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return false;
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}
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}
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@Override
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public int hashCode() {
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return Objects.hashCode(id);
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}
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}

‎hibernate-core/src/test/java/org/hibernate/orm/test/jpa/broken/TelephoneNumber.java‎

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/*
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* SPDX-License-Identifier: LGPL-2.1-or-later
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* Copyright Red Hat Inc. and Hibernate Authors
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*/
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package org.hibernate.orm.test.jpa.broken;
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import jakarta.persistence.Entity;
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import jakarta.persistence.FetchType;
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import jakarta.persistence.GeneratedValue;
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import jakarta.persistence.GenerationType;
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import jakarta.persistence.Id;
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import jakarta.persistence.JoinColumn;
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import jakarta.persistence.ManyToOne;
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import jakarta.persistence.Version;
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import java.io.Serializable;
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import java.util.Objects;
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@Entity
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public class TelephoneNumber implements Serializable {
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private Integer id;
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private int version;
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private String number;
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private VoiceGroup voiceGroup;
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private Provider provider;
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@Id
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@GeneratedValue(strategy = GenerationType.IDENTITY)
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public Integer getId() {
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return id;
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}
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public void setId(Integer id) {
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this.id = id;
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}
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@Version
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public int getVersion() {
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return version;
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}
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public void setVersion(int version) {
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this.version = version;
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}
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public String getNumber() {
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return number;
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}
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public void setNumber(String number) {
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this.number = number;
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}
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@ManyToOne(fetch = FetchType.LAZY)
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@JoinColumn(name = "voiceGroup", nullable = false)
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public VoiceGroup getVoiceGroup() {
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return voiceGroup;
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}
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public void setVoiceGroup(VoiceGroup voiceGroup) {
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this.voiceGroup = voiceGroup;
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}
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@ManyToOne(fetch = FetchType.LAZY)
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@JoinColumn(name = "provider", nullable = false)
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public Provider getProvider() {
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return provider;
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}
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public void setProvider(Provider provider) {
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this.provider = provider;
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}
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@Override
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public boolean equals(Object o) {
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if ( o instanceof TelephoneNumber telephoneNumber ) {
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return this == o || getId().equals( telephoneNumber.getId() );
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}
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else {
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return false;
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}
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}
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@Override
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public int hashCode() {
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return Objects.hashCode( id );
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}
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}

‎hibernate-core/src/test/java/org/hibernate/orm/test/jpa/broken/ThirdParty.java‎

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/*
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* SPDX-License-Identifier: LGPL-2.1-or-later
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* Copyright Red Hat Inc. and Hibernate Authors
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*/
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package org.hibernate.orm.test.jpa.broken;
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import jakarta.persistence.Entity;
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import jakarta.persistence.FetchType;
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import jakarta.persistence.GeneratedValue;
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import jakarta.persistence.GenerationType;
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import jakarta.persistence.Id;
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import jakarta.persistence.JoinColumn;
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import jakarta.persistence.OneToOne;
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import jakarta.persistence.Version;
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import jakarta.validation.constraints.NotNull;
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import java.io.Serializable;
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@Entity
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public class ThirdParty implements Serializable {
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private Integer id;
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private int version;
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private String name;
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private Provider provider;
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@Id
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@GeneratedValue(strategy = GenerationType.IDENTITY)
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public Integer getId() {
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return id;
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}
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public void setId(Integer id) {
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this.id = id;
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}
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@Version
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public int getVersion() {
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return version;
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}
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public void setVersion(int version) {
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this.version = version;
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}
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@NotNull
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public String getName() {
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return name;
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}
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public void setName(String name) {
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this.name = name;
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}
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@OneToOne(fetch = FetchType.LAZY)
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@JoinColumn(name = "provider", nullable = true)
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public Provider getProvider() {
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return provider;
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}
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public void setProvider(Provider provider) {
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this.provider = provider;
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}
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}

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