HHH-10843 - Add test for issue
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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.jpa.test.criteria.basic;
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import javax.persistence.Entity;
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import javax.persistence.EntityManager;
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import javax.persistence.GeneratedValue;
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import javax.persistence.Id;
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import javax.persistence.Table;
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import javax.persistence.criteria.CriteriaBuilder;
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import javax.persistence.criteria.CriteriaQuery;
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import javax.persistence.criteria.Root;
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import java.io.Serializable;
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import java.util.List;
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import org.hibernate.jpa.test.BaseEntityManagerFunctionalTestCase;
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import org.junit.Before;
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import org.junit.Test;
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import org.hibernate.testing.TestForIssue;
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import static org.hamcrest.CoreMatchers.is;
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import static org.junit.Assert.assertThat;
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/**
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* @author Andrea Boriero
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*/
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@TestForIssue(jiraKey = "HHH-10843")
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public class ConcatTest extends BaseEntityManagerFunctionalTestCase {
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@Override
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protected Class<?>[] getAnnotatedClasses() {
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return new Class[] {TestEntity.class};
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}
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@Before
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public void setUp() {
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EntityManager entityManager = getOrCreateEntityManager();
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entityManager.getTransaction().begin();
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try {
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TestEntity testEntity = new TestEntity();
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testEntity.setName( "test_1" );
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entityManager.persist( testEntity );
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entityManager.getTransaction().commit();
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}
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catch (Exception e) {
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if ( entityManager.getTransaction().isActive() ) {
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entityManager.getTransaction().rollback();
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}
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throw e;
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}
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finally {
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entityManager.close();
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}
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}
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@Test
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public void testSelectCaseWithConcat() throws Exception {
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EntityManager entityManager = getOrCreateEntityManager();
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entityManager.getTransaction().begin();
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try {
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CriteriaBuilder cb = entityManager.getCriteriaBuilder();
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CriteriaQuery<Object[]> query = cb.createQuery( Object[].class );
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Root<TestEntity> testEntity = query.from( TestEntity.class );
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query.multiselect(
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cb.selectCase()
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.when( cb.isNotNull( testEntity.get( "id" ) ), cb.concat( "test", cb.literal( "_1" ) ) )
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.otherwise( cb.literal( "Empty" ) ),
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cb.trim( cb.concat( ".", cb.literal( "Test " ) ) )
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);
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final List<Object[]> results = entityManager.createQuery( query ).getResultList();
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assertThat( results.size(), is( 1 ) );
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assertThat( results.get( 0 )[0], is( "test_1" ) );
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assertThat( results.get( 0 )[1], is( ".Test" ) );
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entityManager.getTransaction().commit();
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}
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catch (Exception e) {
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if ( entityManager.getTransaction().isActive() ) {
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entityManager.getTransaction().rollback();
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}
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throw e;
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}
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finally {
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entityManager.close();
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}
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}
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@Test
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public void testConcat() throws Exception {
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EntityManager entityManager = getOrCreateEntityManager();
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entityManager.getTransaction().begin();
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try {
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CriteriaBuilder cb = entityManager.getCriteriaBuilder();
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CriteriaQuery query = cb.createQuery();
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Root<TestEntity> testEntity = query.from( TestEntity.class );
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query.select( testEntity ).where( cb.equal( testEntity.get( "name" ), cb.concat( "test", cb.literal( "_1" ) ) ) );
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final List results = entityManager.createQuery( query ).getResultList();
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entityManager.getTransaction().commit();
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assertThat( results.size(), is( 1 ) );
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}
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catch (Exception e) {
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if ( entityManager.getTransaction().isActive() ) {
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entityManager.getTransaction().rollback();
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}
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throw e;
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}
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finally {
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entityManager.close();
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}
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}
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@Entity(name = "TestEntity")
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@Table(name = "TEST_ENTITY")
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public static class TestEntity implements Serializable {
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@Id
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@GeneratedValue
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private Integer id;
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private String name;
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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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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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}
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}
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