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HHH-12445 Test "null"/"not-null" discriminator values

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This commit is contained in:
Yoann Rodière 2021-05-03 18:12:13 +02:00
parent 1a2510df16
commit 662f86abe1
2 changed files with 226 additions and 0 deletions
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112
hibernate-core/src/test/java/org/hibernate/test/inheritance/discriminator/SingleTableNullNotNullDiscriminatorTest.java Normal file
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/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later.
* See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
*/
package org.hibernate.test.inheritance.discriminator;
import java.sql.Statement;
import java.util.Map;
import java.util.function.Function;
import java.util.stream.Collectors;
import javax.persistence.DiscriminatorValue;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.Inheritance;
import javax.persistence.InheritanceType;
import org.hibernate.testing.TestForIssue;
import org.hibernate.testing.junit4.BaseCoreFunctionalTestCase;
import org.junit.Test;
import static org.assertj.core.api.Assertions.assertThat;
@TestForIssue(jiraKey = "HHH-12445")
public class SingleTableNullNotNullDiscriminatorTest extends BaseCoreFunctionalTestCase {
@Override
protected Class<?>[] getAnnotatedClasses() {
return new Class<?>[] {
RootEntity.class,
Val1Entity.class,
Val2Entity.class,
NotNullEntity.class
};
}
@Test
public void test() {
inTransaction( session -> {
Val1Entity val1 = new Val1Entity();
val1.setId( 1L );
Val2Entity val2 = new Val2Entity();
val2.setId( 2L );
RootEntity root = new RootEntity();
root.setId( 3L );
session.persist( val1 );
session.persist( val2 );
session.persist( root );
session.doWork( connection -> {
try (Statement statement = connection.createStatement()) {
statement.executeUpdate(
"insert into root_ent (DTYPE, id) " +
"values ('other', 4)"
);
}
} );
} );
inTransaction( session -> {
Map<Long, RootEntity> entities = session.createQuery(
"select e from root_ent e", RootEntity.class )
.getResultList()
.stream()
.collect( Collectors.toMap( RootEntity::getId, Function.identity() ) );
assertThat( entities ).extractingByKey( 1L ).isInstanceOf( Val1Entity.class );
assertThat( entities ).extractingByKey( 2L ).isInstanceOf( Val2Entity.class );
assertThat( entities ).extractingByKey( 3L ).isInstanceOf( RootEntity.class );
assertThat( entities ).extractingByKey( 4L ).isInstanceOf( NotNullEntity.class );
} );
}
@Entity(name = "root_ent")
@Inheritance(strategy = InheritanceType.SINGLE_TABLE)
@DiscriminatorValue("null")
public static class RootEntity {
@Id
private Long id;
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
}
@Entity(name = "val1_ent")
@DiscriminatorValue("val1")
public static class Val1Entity extends RootEntity {
}
@Entity(name = "val2_ent")
@DiscriminatorValue("val2")
public static class Val2Entity extends RootEntity {
}
@Entity(name = "notnull_ent")
@DiscriminatorValue("not null")
public static class NotNullEntity extends RootEntity {
}
}

114
hibernate-core/src/test/java/org/hibernate/test/inheritance/discriminator/joinedsubclass/JoinedNullNotNullDiscriminatorTest.java Normal file
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/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* License: GNU Lesser General Public License (LGPL), version 2.1 or later.
* See the lgpl.txt file in the root directory or <http://www.gnu.org/licenses/lgpl-2.1.html>.
*/
package org.hibernate.test.inheritance.discriminator.joinedsubclass;
import java.sql.Statement;
import java.util.Map;
import java.util.function.Function;
import java.util.stream.Collectors;
import javax.persistence.DiscriminatorColumn;
import javax.persistence.DiscriminatorValue;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.Inheritance;
import javax.persistence.InheritanceType;
import org.hibernate.testing.TestForIssue;
import org.hibernate.testing.junit4.BaseCoreFunctionalTestCase;
import org.junit.Test;
import static org.assertj.core.api.Assertions.assertThat;
@TestForIssue(jiraKey = "HHH-12445")
public class JoinedNullNotNullDiscriminatorTest extends BaseCoreFunctionalTestCase {
@Override
protected Class<?>[] getAnnotatedClasses() {
return new Class<?>[] {
RootEntity.class,
Val1Entity.class,
Val2Entity.class,
NotNullEntity.class
};
}
@Test
public void test() {
inTransaction( session -> {
Val1Entity val1 = new Val1Entity();
val1.setId( 1L );
Val2Entity val2 = new Val2Entity();
val2.setId( 2L );
RootEntity root = new RootEntity();
root.setId( 3L );
session.persist( val1 );
session.persist( val2 );
session.persist( root );
session.doWork( connection -> {
try (Statement statement = connection.createStatement()) {
statement.executeUpdate(
"insert into root_ent (DTYPE, id) " +
"values ('other', 4)"
);
}
} );
} );
inTransaction( session -> {
Map<Long, RootEntity> entities = session.createQuery(
"select e from root_ent e", RootEntity.class )
.getResultList()
.stream()
.collect( Collectors.toMap( RootEntity::getId, Function.identity() ) );
assertThat( entities ).extractingByKey( 1L ).isInstanceOf( Val1Entity.class );
assertThat( entities ).extractingByKey( 2L ).isInstanceOf( Val2Entity.class );
assertThat( entities ).extractingByKey( 3L ).isInstanceOf( RootEntity.class );
assertThat( entities ).extractingByKey( 4L ).isInstanceOf( NotNullEntity.class );
} );
}
@Entity(name = "root_ent")
@Inheritance(strategy = InheritanceType.JOINED)
@DiscriminatorColumn()
@DiscriminatorValue("null")
public static class RootEntity {
@Id
private Long id;
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
}
@Entity(name = "val1_ent")
@DiscriminatorValue("val1")
public static class Val1Entity extends RootEntity {
}
@Entity(name = "val2_ent")
@DiscriminatorValue("val2")
public static class Val2Entity extends RootEntity {
}
@Entity(name = "notnull_ent")
@DiscriminatorValue("not null")
public static class NotNullEntity extends RootEntity {
}
}