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OPENJPA-447 -- improved test case 

git-svn-id: https://svn.apache.org/repos/asf/openjpa/trunk@596661 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Patrick Linskey 2007-11-20 13:46:03 +00:00
parent d4e978f5ae
commit 4c2efed65b
1 changed files with 28 additions and 5 deletions
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33
openjpa-persistence-jdbc/src/test/java/org/apache/openjpa/persistence/query/TestQueryPagination.java
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@ -18,19 +18,23 @@
*/
package org.apache.openjpa.persistence.query;
import java.util.List;
import javax.persistence.EntityManager;
import javax.persistence.Query;
import org.apache.openjpa.persistence.test.SingleEMFTestCase;
import org.apache.openjpa.jdbc.conf.JDBCConfiguration;
import org.apache.openjpa.jdbc.sql.DBDictionary;
import org.apache.openjpa.jdbc.sql.DerbyDictionary;
import org.apache.openjpa.persistence.test.SQLListenerTestCase;
/**
* Test that query pagination works properly.
*/
public class TestQueryPagination
extends SingleEMFTestCase {
extends SQLListenerTestCase {
public void setUp() {
setUp(SimpleEntity.class, CLEAR_TABLES);
setUp(SimpleEntity.class, CLEAR_TABLES, "openjpa.Log", "SQL=TRACE");
EntityManager em = emf.createEntityManager();
em.getTransaction().begin();
@ -70,12 +74,31 @@ public class TestQueryPagination
private void helper(boolean firstFirst, int first, int max, int expected) {
EntityManager em = emf.createEntityManager();
Query q = em.createQuery("select e from simple e");
Query q = em.createQuery("select e from simple e order by e.value");
sql.clear();
List<SimpleEntity> fullList = q.getResultList();
if (firstFirst)
q.setFirstResult(first).setMaxResults(max);
else
q.setMaxResults(max).setFirstResult(first);
assertEquals(expected, q.getResultList().size());
List<SimpleEntity> list = q.getResultList();
checkSQL();
assertEquals(expected, list.size());
for (int i = 0; i < list.size(); i++) {
assertEquals("bar" + (first + i), list.get(i).getValue());
}
em.close();
}
private void checkSQL() {
assertEquals(2, sql.size());
String noRange = this.sql.get(0);
String withRange = this.sql.get(1);
DBDictionary dict = ((JDBCConfiguration) emf.getConfiguration())
.getDBDictionaryInstance();
if (dict.supportsSelectStartIndex || dict.supportsSelectEndIndex)
assertNotEquals(noRange, withRange);
else
assertEquals(noRange, withRange);
}
}