/*
* Copyright 2009 Werner Guttmann, Ralf Joachim
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.castor.cpa.test.test1499;
import org.castor.cpa.test.framework.CPATestCase;
import org.castor.cpa.test.framework.xml.types.DatabaseEngineType;
import org.exolab.castor.jdo.Database;
import org.exolab.castor.jdo.OQLQuery;
import org.exolab.castor.jdo.QueryException;
import org.exolab.castor.jdo.QueryResults;
public final class TestNamedQueries extends CPATestCase {
private static final String DBNAME = "test1499";
private static final String MAPPING = "/org/castor/cpa/test/test1499/mapping.xml";
private static final int ENTITY_COUNT = 5;
private static final String SELECT_ALL_ENTITY_ONE = "selectAllEntity";
private static final String SELECT_ALL_ENTITY_HINT = "selectEntitiesWithHint";
private static final String SELECT_ENTITY_ONE_BY_ID = "selectEntityById";
private static final String SELECT_ENTITY_ONE_BY_ID_AND_NAME = "selectEntityByIdAndName";
private static final String SELECT_KNIGHTS_WHO_SAY_NI = "selectAllNightsWhoSayNi";
private static final String QUERY_WITH_BAD_SYNTAX = "queryBadSyntax";
public TestNamedQueries(final String name) {
super(name);
}
// Test are only included/excluded for engines that have been tested with this test suite.
public boolean include(final DatabaseEngineType engine) {
return (engine == DatabaseEngineType.DERBY)
|| (engine == DatabaseEngineType.HSQL)
|| (engine == DatabaseEngineType.MYSQL)
|| (engine == DatabaseEngineType.ORACLE)
|| (engine == DatabaseEngineType.POSTGRESQL)
|| (engine == DatabaseEngineType.SAPDB);
}
public void setUp() throws Exception {
Database db = getJDOManager(DBNAME, MAPPING).getDatabase();
db.begin();
for (int i = 0; i < ENTITY_COUNT; i++) {
db.create(new Entity(new Integer(i), String.valueOf(i)));
}
db.commit();
if (db.isActive()) { db.rollback(); }
db.close();
}
public void runTest() throws Exception {
testNamedQuery();
testNamedQueryIgnoreHint();
testBadSyntaxNamedQuery();
testNonExistentNamedQuery();
}
public void tearDown() throws Exception {
Database db = getJDOManager(DBNAME, MAPPING).getDatabase();
db.begin();
for (int i = 0; i < ENTITY_COUNT; i++) {
Entity entity = db.load(Entity.class, new Integer(i));
db.remove(entity);
}
db.commit();
if (db.isActive()) { db.rollback(); }
db.close();
}
public void testNamedQuery() throws Exception {
Database db = getJDOManager(DBNAME, MAPPING).getDatabase();
// load all EntityOne instances using a named query
db.begin();
OQLQuery query = db.getNamedQuery(SELECT_ALL_ENTITY_ONE);
QueryResults results = query.execute();
int i = 0;
while (results.hasMore()) {
Entity entity = (Entity) results.next();
assertNotNull(entity);
i++;
}
assertTrue(i >= ENTITY_COUNT);
db.commit();
// load EntityOne with Id=1 from persistent store
db.begin();
query = db.getNamedQuery(SELECT_ENTITY_ONE_BY_ID);
query.bind(new Integer(0));
results = query.execute();
Entity entity = (Entity) results.next();
assertNotNull(entity);
assertEquals(new Integer(0), entity.getId());
db.commit();
db.close();
}
public void testNamedQuery2Para() throws Exception {
Database db = getJDOManager(DBNAME, MAPPING).getDatabase();
// load EntityOne with Id=1 from persistent store
db.begin();
OQLQuery query = db.getNamedQuery(SELECT_ENTITY_ONE_BY_ID_AND_NAME);
query.bind(new Integer(0));
query.bind(String.valueOf(0));
QueryResults results = query.execute();
Entity entity = (Entity) results.next();
assertNotNull(entity);
assertEquals(new Integer(0), entity.getId());
assertEquals(String.valueOf(0), entity.getName());
db.commit();
db.close();
}
public void testNonExistentNamedQuery() throws Exception {
Database db = getJDOManager(DBNAME, MAPPING).getDatabase();
// try to get non-existent named query
db.begin();
OQLQuery query = null;
try {
query = db.getNamedQuery(SELECT_KNIGHTS_WHO_SAY_NI);
fail("Database.getNamedQuery() should have thrown a QueryException");
} catch (QueryException e) {
// great, this is what we expect
// check if it's the correct one
if (!e.getMessage().startsWith("Cannot find a named query")) {
throw e;
}
} finally {
if (query != null) {
query.close();
}
}
db.commit();
db.close();
}
public void testBadSyntaxNamedQuery() throws Exception {
Database db = getJDOManager(DBNAME, MAPPING).getDatabase();
// try to load non-existent named query
db.begin();
try {
OQLQuery query = db.getNamedQuery(QUERY_WITH_BAD_SYNTAX);
query.close(); //this shouldn't happen
} catch (QueryException e) {
// great, this is what we expect
// check if it's the correct one
if (!e.getMessage().startsWith("Could not find class")) {
throw e;
}
}
db.commit();
db.close();
}
public void testNamedQueryIgnoreHint() throws Exception {
Database db = getJDOManager(DBNAME, MAPPING).getDatabase();
// load all EntityOne instances using a named query
// and then use same query but with hints
db.begin();
OQLQuery query = db.getNamedQuery(SELECT_ALL_ENTITY_ONE);
QueryResults results = query.execute();
int countFirst = 0;
while (results.hasMore()) {
Entity entity = (Entity) results.next();
assertNotNull(entity);
countFirst++;
}
query = db.getNamedQuery(SELECT_ALL_ENTITY_HINT);
results = query.execute();
int countSecond = 0;
while (results.hasMore()) {
Entity entity = (Entity) results.next();
assertNotNull(entity);
countSecond++;
}
assertEquals(countFirst, countSecond);
db.commit();
db.close();
}
}