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further pagination testing work

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This commit is contained in:
eugenp 2014-04-10 20:21:05 +02:00
parent 3e87601c17
commit 0552363098
1 changed files with 15 additions and 33 deletions
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48
spring-hibernate4/src/test/java/org/baeldung/persistence/service/FooServicePaginationPersistenceIntegrationTest.java
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@ -17,7 +17,6 @@ import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.criterion.Order;
import org.hibernate.criterion.Projections;
import org.hibernate.criterion.Restrictions;
import org.junit.After;
import org.junit.Before;
import org.junit.Test;
@ -149,49 +148,32 @@ public class FooServicePaginationPersistenceIntegrationTest {
@SuppressWarnings("unchecked")
@Test
public final void givenUsingTheScrollableApi_whenRetrievingPaginatedData_thenCorrect2() {
final int minId = 0;
final int maxId = 10;
final Criteria criteriaCount = session.createCriteria(Foo.class, "FOO");
criteriaCount.add(Restrictions.between("id", minId, maxId));
criteriaCount.addOrder(Order.asc("id"));
criteriaCount.setProjection(Projections.rowCount());
final Long count = (Long) criteriaCount.uniqueResult();
int pageNumber = 1;
public final void givenUsingTheCriteriaApi_whenRetrievingFirstPage_thenCorrect() {
final int pageSize = 10;
final List<Foo> fooList = Lists.newArrayList();
final Criteria criteria = session.createCriteria(Foo.class, "FOO");
criteria.add(Restrictions.between("id", minId, maxId));
final Criteria criteria = session.createCriteria(Foo.class);
criteria.addOrder(Order.asc("id"));
int totalEntities = 0;
while (totalEntities < count.intValue()) {
criteria.setFirstResult((pageNumber - 1) * pageSize);
criteria.setMaxResults(pageSize);
fooList.addAll(criteria.list());
totalEntities = fooList.size();
pageNumber++;
}
criteria.setFirstResult(0);
criteria.setMaxResults(pageSize);
final List<Foo> firstPage = criteria.list();
assertThat(firstPage, hasSize(pageSize));
}
@SuppressWarnings("unchecked")
@Test
public final void givenUsingTheScrollableApi_whenRetrievingPaginatedData_thenCorrect3() {
final int minId = 0;
final int maxId = 10;
public final void givenUsingTheCriteriaApi_whenRetrievingPaginatedData_thenCorrect() {
final Criteria criteriaCount = session.createCriteria(Foo.class);
criteriaCount.addOrder(Order.asc("id"));
criteriaCount.setProjection(Projections.rowCount());
final Long count = (Long) criteriaCount.uniqueResult();
int pageNumber = 1;
final int pageSize = 10;
final List<Foo> fooList = Lists.newArrayList();
final Criteria criteria = session.createCriteria(Foo.class, "FOO");
final Criteria criteriaCount = session.createCriteria(Foo.class, "FOO");
criteria.add(Restrictions.between("id", minId, maxId));
final Criteria criteria = session.createCriteria(Foo.class);
criteria.addOrder(Order.asc("id"));
criteriaCount.add(Restrictions.between("id", minId, maxId));
criteriaCount.addOrder(Order.asc("id"));
criteriaCount.setProjection(Projections.rowCount());
final Long count = (Long) criteriaCount.uniqueResult();
int totalEntities = 0;
while (totalEntities < count.intValue()) {
criteria.setFirstResult((pageNumber - 1) * pageSize);