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HHH-9343 - Add test fro issue

This commit is contained in:
Andrea Boriero 2015-11-27 11:49:45 +00:00
parent 5373114bc7
commit c040cb6718
1 changed files with 86 additions and 0 deletions
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86
hibernate-entitymanager/src/test/java/org/hibernate/jpa/test/criteria/simplecase/BasicSimpleCaseTest.java
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@ -10,8 +10,10 @@ import javax.persistence.Entity;
import javax.persistence.EntityManager;
import javax.persistence.Id;
import javax.persistence.Table;
import javax.persistence.Tuple;
import javax.persistence.criteria.CriteriaBuilder;
import javax.persistence.criteria.CriteriaQuery;
import javax.persistence.criteria.Expression;
import javax.persistence.criteria.Path;
import javax.persistence.criteria.Root;
@ -19,6 +21,8 @@ import org.hibernate.jpa.test.BaseEntityManagerFunctionalTestCase;
import org.junit.Test;
import org.hibernate.testing.TestForIssue;
import static javax.persistence.criteria.CriteriaBuilder.SimpleCase;
/**
@ -34,6 +38,88 @@ public class BasicSimpleCaseTest extends BaseEntityManagerFunctionalTestCase {
return new Class[] {Customer.class};
}
@Test
@TestForIssue(jiraKey = "HHH-9343")
public void testCaseStringResult() {
EntityManager em = getOrCreateEntityManager();
CriteriaBuilder builder = em.getCriteriaBuilder();
CriteriaQuery<Tuple> query = builder.createTupleQuery();
Root<Customer> root = query.from( Customer.class );
Path<String> emailPath = root.get( "email" );
CriteriaBuilder.Case<String> selectCase = builder.selectCase();
selectCase.when( builder.greaterThan( builder.length( emailPath ), 13 ), "Long" );
selectCase.when( builder.greaterThan( builder.length( emailPath ), 12 ), "Normal" );
Expression<String> emailType = selectCase.otherwise( "Unknown" );
query.multiselect( emailPath, emailType );
em.createQuery( query ).getResultList();
}
@Test
@TestForIssue(jiraKey = "HHH-9343")
public void testCaseIntegerResult() {
EntityManager em = getOrCreateEntityManager();
em.getTransaction().begin();
CriteriaBuilder builder = em.getCriteriaBuilder();
CriteriaQuery<Tuple> query = builder.createTupleQuery();
Root<Customer> root = query.from( Customer.class );
Path<String> emailPath = root.get( "email" );
CriteriaBuilder.Case<Integer> selectCase = builder.selectCase();
selectCase.when( builder.greaterThan( builder.length( emailPath ), 13 ), 2 );
selectCase.when( builder.greaterThan( builder.length( emailPath ), 12 ), 1 );
Expression<Integer> emailType = selectCase.otherwise( 0 );
query.multiselect( emailPath, emailType );
em.createQuery( query ).getResultList();
}
@Test
@TestForIssue(jiraKey = "HHH-9343")
public void testCaseLiteralResult() {
EntityManager em = getOrCreateEntityManager();
em.getTransaction().begin();
CriteriaBuilder cb = em.getCriteriaBuilder();
CriteriaQuery<Boolean> cq = cb.createQuery( Boolean.class );
Root<Customer> expense_ = cq.from( Customer.class );
em.createQuery(
cq.distinct( true ).where(
cb.equal( expense_.get( "email" ), "@hibernate.com" )
).multiselect(
cb.selectCase()
.when( cb.gt( cb.count( expense_ ), cb.literal( 0L ) ), cb.literal( true ) )
.otherwise( cb.literal( false ) )
)
).getSingleResult();
}
@Test
@TestForIssue(jiraKey = "HHH-9343")
public void testCaseLiteralResult2() {
EntityManager em = getOrCreateEntityManager();
em.getTransaction().begin();
CriteriaBuilder cb = em.getCriteriaBuilder();
CriteriaQuery<Boolean> cq = cb.createQuery( Boolean.class );
Root<Customer> expense_ = cq.from( Customer.class );
em.createQuery(
cq.distinct( true ).where(
cb.equal( expense_.get( "email" ), "@hibernate.com" )
).multiselect(
cb.selectCase()
.when( cb.gt( cb.count( expense_ ), cb.literal( 0L ) ), true )
.otherwise( false )
)
).getSingleResult();
}
@Test
public void testCaseInOrderBy() {
EntityManager em = getOrCreateEntityManager();