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Update FooServiceSortingTests.java

This commit is contained in:
egmp777 2014-05-09 15:52:41 -05:00
parent 82ccad7146
commit 554df1148d
1 changed files with 53 additions and 73 deletions
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124
spring-jpa/src/test/java/org/baeldung/persistence/service/FooServiceSortingTests.java
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@ -1,11 +1,7 @@
package org.baeldung.persistence.service; package org.baeldung.persistence.service;
import static org.junit.Assert.assertEquals; import static org.junit.Assert.*;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import java.util.List; import java.util.List;
import javax.persistence.EntityManager; import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory; import javax.persistence.EntityManagerFactory;
import javax.persistence.EntityTransaction; import javax.persistence.EntityTransaction;
@ -15,82 +11,79 @@ import javax.persistence.TypedQuery;
import javax.persistence.criteria.CriteriaBuilder; import javax.persistence.criteria.CriteriaBuilder;
import javax.persistence.criteria.CriteriaQuery; import javax.persistence.criteria.CriteriaQuery;
import javax.persistence.criteria.Root; import javax.persistence.criteria.Root;
import com.google.common.collect.Lists;
import org.baeldung.persistence.model.Bar;
import org.baeldung.persistence.model.Foo;
import org.junit.After;
import org.junit.BeforeClass; import org.junit.BeforeClass;
import org.junit.Test; import org.junit.Test;
import com.cc.jpa.example.Foo;
import com.cc.jpa.example.Bar;
public class FooServiceSortingTests { public class FooServiceSortingTests {
private EntityManager entityManager; private static EntityManager entityManager;
private static EntityManagerFactory emf;
private static EntityTransaction entityTransaction;
private static CriteriaBuilder criteriaBuilder;
@BeforeClass @BeforeClass
public static void before() { public static void before() {
//
}
@After emf = Persistence.createEntityManagerFactory("punit");
public final void after() { entityManager = emf.createEntityManager();
// entityTransaction = entityManager.getTransaction();
entityTransaction.begin();
criteriaBuilder = entityManager.getCriteriaBuilder();
} }
@Test @Test
public final void whenSortingByOneAttributeDefaultOrder_thenPrintSortedResult() { public final void whenSortingByOneAttributeDefaultOrder_thenPrintSortedResult() {
final EntityManagerFactory emf = Persistence.createEntityManagerFactory("punit");
final EntityManager entityManager = emf.createEntityManager();
final EntityTransaction entityTransaction = entityManager.getTransaction();
entityTransaction.begin();
final String jql = "Select f from Foo as f order by f.id"; final String jql = "Select f from Foo as f order by f.id";
final Query sortQuery = entityManager.createQuery(jql); final Query sortQuery = entityManager.createQuery(jql);
final List<Foo> fooList = sortQuery.getResultList(); final List<Foo> fooList = sortQuery.getResultList();
assertEquals(1, fooList.get(0).getId());
assertEquals(100, fooList.get(fooList.toArray().length - 1).getId());
for (final Foo foo : fooList) { for (final Foo foo : fooList) {
System.out.println("Name:" + foo.getName() + "-------Id:" + foo.getId()); System.out.println("Name:" + foo.getName() + "-------Id:" + foo.getId());
} }
} }
@Test @Test
public final void whenSortingByOneAttributeSetOrder_thenSortedPrintResult() { public final void whenSortingByOneAttributeSetOrder_thenSortedPrintResult() {
final EntityManagerFactory emf = Persistence.createEntityManagerFactory("punit");
final EntityManager entityManager = emf.createEntityManager();
final EntityTransaction entityTransaction = entityManager.getTransaction();
entityTransaction.begin();
final String jql = "Select f from Foo as f order by f.id desc"; final String jql = "Select f from Foo as f order by f.id desc";
final Query sortQuery = entityManager.createQuery(jql); final Query sortQuery = entityManager.createQuery(jql);
final List<Foo> fooList = sortQuery.getResultList(); final List<Foo> fooList = sortQuery.getResultList();
assertEquals(100, fooList.get(0).getId());
assertEquals(1, fooList.get(fooList.toArray().length - 1).getId());
for (final Foo foo : fooList) { for (final Foo foo : fooList) {
System.out.println("Name:" + foo.getName() + "-------Id:" + foo.getId()); System.out.println("Name:" + foo.getName() + "-------Id:" + foo.getId());
} }
} }
@Test @Test
public final void whenSortingByTwoAttributes_thenPrintSortedResult() { public final void whenSortingByTwoAttributes_thenPrintSortedResult() {
final EntityManagerFactory emf = Persistence.createEntityManagerFactory("punit");
final EntityManager entityManager = emf.createEntityManager();
final EntityTransaction entityTransaction = entityManager.getTransaction();
entityTransaction.begin();
final String jql = "Select f from Foo as f order by f.name asc, f.id desc"; final String jql = "Select f from Foo as f order by f.name asc, f.id desc";
final Query sortQuery = entityManager.createQuery(jql); final Query sortQuery = entityManager.createQuery(jql);
final List<Foo> fooList = sortQuery.getResultList(); final List<Foo> fooList = sortQuery.getResultList();
for (final Foo foo : fooList) { for (final Foo foo : fooList) {
System.out.println("Name:" + foo.getName() + "-------Id:" + foo.getId()); System.out.println("Name:" + foo.getName() + "-------Id:" + foo.getId());
} }
}
@Test
public final void whenSortingFooByBar_thenBarsSorted() {
final String jql = "Select f from Foo as f order by f.name, f.bar.id";
final Query barJoinQuery = entityManager.createQuery(jql);
final List<Foo> fooList = barJoinQuery.getResultList();
for (final Foo foo : fooList) {
System.out.println("Name:" + foo.getName() + "-------BarId:" + foo.getBar().getId());
}
} }
@Test @Test
public final void whenSortinfBar_thenPrintBarsSortedWithFoos() { public final void whenSortinfBar_thenPrintBarsSortedWithFoos() {
final EntityManagerFactory emf = Persistence.createEntityManagerFactory("punit");
final EntityManager entityManager = emf.createEntityManager();
final EntityTransaction entityTransaction = entityManager.getTransaction();
entityTransaction.begin();
final String jql = "Select b from Bar as b order by b.id";
final String jql = "Select b from Bar as b order by b.id";
final Query barQuery = entityManager.createQuery(jql); final Query barQuery = entityManager.createQuery(jql);
final List<Bar> barList = barQuery.getResultList(); final List<Bar> barList = barQuery.getResultList();
for (final Bar bar : barList) { for (final Bar bar : barList) {
@ -99,15 +92,12 @@ public class FooServiceSortingTests {
System.out.println("FooName:" + foo.getName()); System.out.println("FooName:" + foo.getName());
} }
} }
} }
@Test @Test
public final void whenSortingByStringNullLast_thenLastNull() { public final void whenSortingByStringNullLast_thenLastNull() {
final EntityManagerFactory emf = Persistence.createEntityManagerFactory("punit");
final EntityManager entityManager = emf.createEntityManager();
final EntityTransaction entityTransaction = entityManager.getTransaction();
entityTransaction.begin();
final String jql = "Select f from Foo as f order by f.name desc NULLS LAST"; final String jql = "Select f from Foo as f order by f.name desc NULLS LAST";
final Query sortQuery = entityManager.createQuery(jql); final Query sortQuery = entityManager.createQuery(jql);
final List<Foo> fooList = sortQuery.getResultList(); final List<Foo> fooList = sortQuery.getResultList();
@ -117,43 +107,34 @@ public class FooServiceSortingTests {
} }
} }
// @Test
// public final void whenSortingByStringNullFirst_thenFirstNull() {
// final EntityManagerFactory emf = Persistence.createEntityManagerFactory("punit");
// final EntityManager entityManager = emf.createEntityManager();
// final EntityTransaction entityTransaction = entityManager.getTransaction();
// entityTransaction.begin();
// final String jql = "Select f from Foo as f order by f.name desc NULLS FIRST";
// final Query sortQuery = entityManager.createQuery(jql);
// final List<Foo> fooList = sortQuery.getResultList();
// assertNull(fooList.get(0).getName());
// for (final Foo foo : fooList) {
// System.out.println("Name:" + foo.getName() + "-------Id:" + foo.getTest_Null());
// }
// }
@Test @Test
public final void whenSortingByIntNull_thenException() { public final void whenSortingByStringNullFirst_thenFirstNull() {
final EntityManagerFactory emf = Persistence.createEntityManagerFactory("punit");
final EntityManager entityManager = emf.createEntityManager(); final Foo nullNameFoo = new Foo();
final EntityTransaction entityTransaction = entityManager.getTransaction(); nullNameFoo.setName(null);
entityTransaction.begin();
final String jql = "Select f from Foo as f order by f.test_Null desc NULLS FIRST"; final Bar bar = new Bar();
final List<Foo> fooList1 = Lists.newArrayList();
bar.setName("Bar_Me");
nullNameFoo.setBar(bar);
fooList1.add(nullNameFoo);
bar.setFooList(fooList1);
entityManager.persist(bar);
entityManager.persist(nullNameFoo);
entityTransaction.commit();
final String jql = "Select f from Foo as f order by f.name desc NULLS FIRST";
final Query sortQuery = entityManager.createQuery(jql); final Query sortQuery = entityManager.createQuery(jql);
boolean thrown = false;
try {
final List<Foo> fooList = sortQuery.getResultList(); final List<Foo> fooList = sortQuery.getResultList();
} catch (final javax.persistence.PersistenceException e) { assertNull(fooList.get(0).getName());
thrown = true; for (final Foo foo : fooList) {
System.out.println("Name:" + foo.getName());
} }
assertTrue(thrown);
} }
@Test @Test
public final void whenSortingFooWithCriteria_thenPrintSortedFoos() { public final void whenSortingFooWithCriteria_thenPrintSortedFoos() {
final EntityManagerFactory emf = Persistence.createEntityManagerFactory("punit");
final EntityManager entityManager = emf.createEntityManager(); criteriaBuilder = entityManager.getCriteriaBuilder();
final CriteriaBuilder criteriaBuilder = entityManager.getCriteriaBuilder();
final CriteriaQuery<Foo> criteriaQuery = criteriaBuilder.createQuery(Foo.class); final CriteriaQuery<Foo> criteriaQuery = criteriaBuilder.createQuery(Foo.class);
final Root<Foo> from = criteriaQuery.from(Foo.class); final Root<Foo> from = criteriaQuery.from(Foo.class);
final CriteriaQuery<Foo> select = criteriaQuery.select(from); final CriteriaQuery<Foo> select = criteriaQuery.select(from);
@ -168,9 +149,8 @@ public class FooServiceSortingTests {
@Test @Test
public final void whenSortingFooWithCriteriaAndMultipleAttributes_thenPrintSortedFoos() { public final void whenSortingFooWithCriteriaAndMultipleAttributes_thenPrintSortedFoos() {
final EntityManagerFactory emf = Persistence.createEntityManagerFactory("punit");
final EntityManager entityManager = emf.createEntityManager(); criteriaBuilder = entityManager.getCriteriaBuilder();
final CriteriaBuilder criteriaBuilder = entityManager.getCriteriaBuilder();
final CriteriaQuery<Foo> criteriaQuery = criteriaBuilder.createQuery(Foo.class); final CriteriaQuery<Foo> criteriaQuery = criteriaBuilder.createQuery(Foo.class);
final Root<Foo> from = criteriaQuery.from(Foo.class); final Root<Foo> from = criteriaQuery.from(Foo.class);
final CriteriaQuery<Foo> select = criteriaQuery.select(from); final CriteriaQuery<Foo> select = criteriaQuery.select(from);