All JPA Sorting Tests
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egmp777
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@ -7,94 +7,216 @@ import java.util.List;
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import javax.persistence.EntityManager;
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import javax.persistence.EntityManagerFactory;
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import javax.persistence.EntityTransaction;
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import javax.persistence.OrderBy;
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import javax.persistence.Persistence;
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import javax.persistence.Query;
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import javax.persistence.TypedQuery;
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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.Order;
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import javax.persistence.criteria.Root;
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import org.hibernate.Session;
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import org.hibernate.SessionFactory;
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import org.hibernate.annotations.common.util.StringHelper;
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import org.junit.After;
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import org.junit.Before;
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import org.junit.BeforeClass;
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import org.junit.Test;
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import com.cc.jpa.example.Foo;
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import com.cc.jpa.example.Bar;
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public class FooServiceSortingTests {
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private EntityManager entityManager;
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private EntityManager entityManager;
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@BeforeClass
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public static void before(){
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}
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@After
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public final void after() {
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}
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@After
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public final void after() {
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}
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@Test
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public final void whenSortingByOneAttributeDefault_thenSortedResult() {
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Query sortQuery = entityManager.createQuery
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("Select f from Foo as f order by f.id");
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List<Foo> fooList = sortQuery.getResultList();
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for(Foo foo:fooList){
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System.out.println("Name:"+foo.getName()+"-------Id:"+foo.getId());
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}
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}
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@Test
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public final void whenSortingByOneAttribute_thenSortedResult() {
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public final void whenSortingByOneAttributeDefaultOrder_thenPrintSortedResult() {
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EntityManagerFactory emf = Persistence
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.createEntityManagerFactory("punit");
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EntityManager entityManager = emf.createEntityManager();
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EntityTransaction entityTransaction = entityManager
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.getTransaction();
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entityTransaction.begin();
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String jql = "Select f from Foo as f order by f.id";
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Query sortQuery = entityManager.createQuery
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("Select f from Foo as f order by f.id desc");
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(jql);
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List<Foo> fooList = sortQuery.getResultList();
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assertEquals(1,fooList.get(0).getId());
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assertEquals(100,fooList.get(fooList.toArray().length-1).getId());
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for(Foo foo:fooList){
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System.out.println("Name:"+foo.getName()+"-------Id:"+foo.getId());
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}
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}
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@Test
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public final void whenSortingByOneAttributeSetOrder_thenSortedPrintResult() {
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EntityManagerFactory emf = Persistence
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.createEntityManagerFactory("punit");
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EntityManager entityManager = emf.createEntityManager();
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EntityTransaction entityTransaction = entityManager
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.getTransaction();
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entityTransaction.begin();
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String jql = "Select f from Foo as f order by f.id desc";
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Query sortQuery = entityManager.createQuery
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(jql);
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List<Foo> fooList = sortQuery.getResultList();
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assertEquals(100,fooList.get(0).getId());
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assertEquals(1,fooList.get(fooList.toArray().length-1).getId());
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for(Foo foo:fooList){
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System.out.println("Name:"+foo.getName()+"-------Id:"+foo.getId());
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}
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}
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@Test
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public final void whenSortingByTwoAttributes_thenPrintSortedResult() {
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EntityManagerFactory emf = Persistence
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.createEntityManagerFactory("punit");
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EntityManager entityManager = emf.createEntityManager();
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EntityTransaction entityTransaction = entityManager
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.getTransaction();
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entityTransaction.begin();
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String jql = "Select f from Foo as f order by f.name asc, f.id desc";
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Query sortQuery = entityManager.createQuery
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(jql);
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List<Foo> fooList = sortQuery.getResultList();
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for(Foo foo:fooList){
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System.out.println("Name:"+foo.getName()+"-------Id:"+foo.getId());
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}
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}
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@Test
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public final void whenSortinfBar_thenPrintBarsSortedWithFoos(){
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EntityManagerFactory emf = Persistence
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.createEntityManagerFactory("punit");
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EntityManager entityManager = emf.createEntityManager();
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EntityTransaction entityTransaction = entityManager
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.getTransaction();
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entityTransaction.begin();
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String jql = "Select b from Bar as b order by b.id";
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Query barQuery = entityManager.createQuery(jql);
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List<Bar>barList = barQuery.getResultList();
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for(Bar bar:barList){
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System.out.println("Bar Id:"+bar.getId());
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for(Foo foo:bar.getFooList()){
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System.out.println("FooName:"+foo.getName());
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}
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}
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}
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@Test
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public final void whenSortingByStringNullLast_thenLastNull() {
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EntityManagerFactory emf = Persistence
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.createEntityManagerFactory("punit");
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EntityManager entityManager = emf.createEntityManager();
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EntityTransaction entityTransaction = entityManager
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.getTransaction();
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entityTransaction.begin();
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String jql = "Select f from Foo as f order by f.name desc NULLS LAST";
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Query sortQuery = entityManager.createQuery
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(jql);
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List<Foo> fooList = sortQuery.getResultList();
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assertNull(fooList.get(fooList.toArray().length-1).getName());
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for(Foo foo:fooList){
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System.out.println("Name:"+foo.getName());
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}
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}
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@Test
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public final void whenSortingByStringNullFirst_thenFirstNull() {
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EntityManagerFactory emf = Persistence
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.createEntityManagerFactory("punit");
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EntityManager entityManager = emf.createEntityManager();
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EntityTransaction entityTransaction = entityManager
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.getTransaction();
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entityTransaction.begin();
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String jql = "Select f from Foo as f order by f.name desc NULLS FIRST";
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Query sortQuery = entityManager.createQuery
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(jql);
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List<Foo> fooList = sortQuery.getResultList();
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assertNull(fooList.get(0).getName());
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for(Foo foo:fooList){
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System.out.println("Name:"+foo.getName()+"-------Id:"+foo.getTest_Null());
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}
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}
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@Test
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public final void whenSortingByIntNull_thenException() {
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EntityManagerFactory emf = Persistence
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.createEntityManagerFactory("punit");
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EntityManager entityManager = emf.createEntityManager();
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EntityTransaction entityTransaction = entityManager
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.getTransaction();
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entityTransaction.begin();
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String jql = "Select f from Foo as f order by f.test_Null desc NULLS FIRST";
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Query sortQuery = entityManager.createQuery
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(jql);
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boolean thrown = false;
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try {
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List<Foo> fooList = sortQuery.getResultList();
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} catch (javax.persistence.PersistenceException e) {
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thrown = true;
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}
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assertTrue(thrown);
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}
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@Test
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public final void whenSortingFooWithCriteria_thenPrintSortedFoos(){
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EntityManagerFactory emf = Persistence
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.createEntityManagerFactory("punit");
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EntityManager entityManager = emf.createEntityManager();
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CriteriaBuilder criteriaBuilder = entityManager.getCriteriaBuilder();
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CriteriaQuery<Foo> criteriaQuery = criteriaBuilder
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.createQuery(Foo.class);
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Root<Foo> from = criteriaQuery.from(Foo.class);
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CriteriaQuery<Foo> select = criteriaQuery.select(from);
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criteriaQuery.orderBy(criteriaBuilder.asc(from.get("name")));
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TypedQuery<Foo> typedQuery = entityManager.createQuery(select);
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List<Foo>fooList = typedQuery.getResultList();
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for(Foo foo:fooList){
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System.out.println("Name:"+foo.getName()+"--------Id:"+foo.getId());
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}
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}
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@Test
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public final void whenSortingByTwoAttributes_thenSortedResult() {
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public final void whenSortingFooWithCriteriaAndMultipleAttributes_thenPrintSortedFoos(){
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Query sortQuery = entityManager.createQuery
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("Select f from Foo as f order by f.name asc, f.id desc");
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List<Foo> fooList = sortQuery.getResultList();
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EntityManagerFactory emf = Persistence
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.createEntityManagerFactory("punit");
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EntityManager entityManager = emf.createEntityManager();
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CriteriaBuilder criteriaBuilder = entityManager.getCriteriaBuilder();
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CriteriaQuery<Foo> criteriaQuery = criteriaBuilder
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.createQuery(Foo.class);
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Root<Foo> from = criteriaQuery.from(Foo.class);
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CriteriaQuery<Foo> select = criteriaQuery.select(from);
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criteriaQuery.orderBy(criteriaBuilder.asc(from.get("name")), criteriaBuilder.desc(from.get("id")));
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TypedQuery<Foo> typedQuery = entityManager.createQuery(select);
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List<Foo>fooList = typedQuery.getResultList();
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for(Foo foo:fooList){
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System.out.println("Name:"+foo.getName()+"-------Id:"+foo.getId());
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}
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}
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@Test
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public final void whenSortingFooWithCriteria_thenSortedFoos(){
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Root<Foo> from = criteriaQuery.from(Foo.class);
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CriteriaQuery<Foo> select = criteriaQuery.select(from);
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criteriaQuery.orderBy(criteriaBuilder.asc(from.get("name")));
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TypedQuery<Foo> typedQuery = entityManager.createQuery(select);
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List<Foo>fooList = typedQuery.getResultList();
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for(Foo foo:fooList){
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System.out.println("Name:"+foo.getName()+"--------Id:"+foo.getId());
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}
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}
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@Test
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public final void whenSortingFooWithCriteriaAndMultipleAttributes_thenSortedFoos(){
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Root<Foo> from = criteriaQuery.from(Foo.class);
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CriteriaQuery<Foo> select = criteriaQuery.select(from);
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criteriaQuery.orderBy(criteriaBuilder.asc(from.get("name")), criteriaBuilder.desc(from.get("id")));
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TypedQuery<Foo> typedQuery = entityManager.createQuery(select);
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List<Foo>fooList = typedQuery.getResultList();
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for(Foo foo:fooList){
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System.out.println("Name:"+foo.getName()+"-------Id:"+foo.getId());
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}
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}
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}
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