HHH-16210 Add test for issue

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Marco Belladelli 2023-03-13 13:45:57 +01:00 committed by Christian Beikov
parent 4dc9412d92
commit 7fd8d0de12
1 changed files with 222 additions and 0 deletions

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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.orm.test.mapping.onetomany;
import java.util.ArrayList;
import java.util.List;
import org.hibernate.Hibernate;
import org.hibernate.testing.jdbc.SQLStatementInspector;
import org.hibernate.testing.orm.junit.DomainModel;
import org.hibernate.testing.orm.junit.Jira;
import org.hibernate.testing.orm.junit.SessionFactory;
import org.hibernate.testing.orm.junit.SessionFactoryScope;
import org.junit.jupiter.api.AfterAll;
import org.junit.jupiter.api.BeforeAll;
import org.junit.jupiter.api.Test;
import jakarta.persistence.CascadeType;
import jakarta.persistence.Entity;
import jakarta.persistence.FetchType;
import jakarta.persistence.GeneratedValue;
import jakarta.persistence.Id;
import jakarta.persistence.JoinColumn;
import jakarta.persistence.OneToMany;
import jakarta.persistence.Table;
import static org.assertj.core.api.Assertions.assertThat;
@SessionFactory( useCollectingStatementInspector = true )
@DomainModel( annotatedClasses = {
NestedOneToManyFetchTest.Role.class,
NestedOneToManyFetchTest.Permission.class,
NestedOneToManyFetchTest.Operation.class
} )
@Jira( "https://hibernate.atlassian.net/browse/HHH-16210" )
public class NestedOneToManyFetchTest {
@BeforeAll
public void setUp(SessionFactoryScope scope) {
scope.inTransaction( session -> {
session.persist( new Role( "TEST_ROLE" ) );
session.persist( new Permission( "TEST_ROLE", "scope_1" ) );
session.persist( new Permission( "TEST_ROLE", "scope_2" ) );
session.persist( new Operation( "scope_1", "CREATE" ) );
session.persist( new Operation( "scope_1", "UPDATE" ) );
session.persist( new Operation( "scope_1", "DELETE" ) );
session.persist( new Operation( "scope_2", "CREATE" ) );
session.persist( new Operation( "scope_2", "UPDATE" ) );
session.persist( new Operation( "scope_2", "DELETE" ) );
} );
}
@AfterAll
public void tearDown(SessionFactoryScope scope) {
scope.inTransaction( session -> {
session.createMutationQuery( "delete from Operation" ).executeUpdate();
session.createMutationQuery( "delete from Permission" ).executeUpdate();
session.createMutationQuery( "delete from Role" ).executeUpdate();
} );
}
@Test
public void testFind(SessionFactoryScope scope) {
final SQLStatementInspector statementInspector = scope.getCollectingStatementInspector();
scope.inTransaction( session -> {
final Role role = session.find( Role.class, 1L );
statementInspector.clear();
assertTestResults( role.getPermissions(), statementInspector, false );
} );
}
@Test
public void testQuery(SessionFactoryScope scope) {
final SQLStatementInspector statementInspector = scope.getCollectingStatementInspector();
scope.inTransaction( session -> {
final Role role = session.createQuery( "from Role r", Role.class ).getSingleResult();
statementInspector.clear();
assertTestResults( role.getPermissions(), statementInspector, false );
} );
}
@Test
public void testQueryExplicitJoinFetch(SessionFactoryScope scope) {
final SQLStatementInspector statementInspector = scope.getCollectingStatementInspector();
statementInspector.clear();
scope.inTransaction( session -> {
final Role role = session.createQuery(
"from Role r join fetch r.permissions p join p.operations",
Role.class
).getSingleResult();
assertThat( role.getPermissions() ).hasSize( 6 ); // child elements are duplicated here
statementInspector.assertNumberOfJoins( 0, 2 );
statementInspector.assertExecutedCount( 3 );
for ( Permission p : role.getPermissions() ) {
assertThat( Hibernate.isInitialized( p.getOperations() ) ).isTrue();
assertThat( p.getOperations() ).hasSize( 3 );
}
} );
}
@Test
public void testChildQuery(SessionFactoryScope scope) {
final SQLStatementInspector statementInspector = scope.getCollectingStatementInspector();
statementInspector.clear();
scope.inTransaction( session -> {
final List<Permission> resultList = session.createQuery(
"from Permission p",
Permission.class
).getResultList();
assertTestResults( resultList, statementInspector, false );
} );
}
@Test
public void testChildQueryExplicitJoinFetch(SessionFactoryScope scope) {
final SQLStatementInspector statementInspector = scope.getCollectingStatementInspector();
statementInspector.clear();
scope.inTransaction( session -> {
final List<Permission> resultList = session.createQuery(
"from Permission p join fetch p.operations",
Permission.class
).getResultList();
assertTestResults( resultList, statementInspector, true );
} );
}
private void assertTestResults(
List<Permission> permissions,
SQLStatementInspector statementInspector,
boolean shouldJoin) {
assertThat( permissions ).hasSize( 2 );
if ( shouldJoin ) {
statementInspector.assertNumberOfJoins( 0, 1 );
statementInspector.assertExecutedCount( 1 );
}
else {
statementInspector.assertNumberOfJoins( 0, 0 );
statementInspector.assertExecutedCount( 3 ); // 1 for permissions, 2 for each permission.operation
}
assertThat( Hibernate.isInitialized( permissions.get( 0 ).getOperations() ) ).isTrue();
assertThat( permissions.get( 0 ).getOperations() ).hasSize( 3 );
assertThat( Hibernate.isInitialized( permissions.get( 1 ).getOperations() ) ).isTrue();
assertThat( permissions.get( 1 ).getOperations() ).hasSize( 3 );
}
@Entity( name = "Role" )
@Table( name = "roles" )
public static class Role {
@Id
@GeneratedValue
private Long id;
private String name;
@OneToMany( cascade = CascadeType.ALL, fetch = FetchType.LAZY )
@JoinColumn( name = "roleName", referencedColumnName = "name" )
private List<Permission> permissions = new ArrayList<>();
public Role() {
}
public Role(String name) {
this.name = name;
}
public List<Permission> getPermissions() {
return permissions;
}
}
@Entity( name = "Permission" )
@Table( name = "permissions" )
public static class Permission {
@Id
@GeneratedValue
private Long id;
private String roleName;
private String scopeName;
@OneToMany( cascade = CascadeType.ALL, fetch = FetchType.EAGER )
@JoinColumn( name = "scopeName", referencedColumnName = "scopeName" )
private List<Operation> operations = new ArrayList<>();
public Permission() {
}
public Permission(String roleName, String scopeName) {
this.roleName = roleName;
this.scopeName = scopeName;
}
public List<Operation> getOperations() {
return operations;
}
}
@Entity( name = "Operation" )
@Table( name = "operations" )
public static class Operation {
@Id
@GeneratedValue
private Long id;
private String scopeName;
private String operationName;
public Operation() {
}
public Operation(String scopeName, String operationName) {
this.scopeName = scopeName;
this.operationName = operationName;
}
}
}