/* | |
* Licensed to the Apache Software Foundation (ASF) under one | |
* or more contributor license agreements. See the NOTICE file | |
* distributed with this work for additional information | |
* regarding copyright ownership. The ASF licenses this file | |
* to you 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.apache.openjpa.persistence.datacache; | |
import org.apache.openjpa.persistence.datacache.common.apps.CacheObjectA; | |
import org.apache.openjpa.persistence.datacache.common.apps.CacheObjectB; | |
import org.apache.openjpa.persistence.common.utils.AbstractTestCase; | |
import org.apache.openjpa.kernel.Broker; | |
import org.apache.openjpa.kernel.Query; | |
import org.apache.openjpa.kernel.jpql.JPQLParser; | |
import org.apache.openjpa.persistence.JPAFacadeHelper; | |
/** | |
* Test some assumptions about query result metadata that the query | |
* cache relies on. | |
*/ | |
public class TestQueryResultTypes extends AbstractTestCase { | |
public TestQueryResultTypes(String test) { | |
super(test, "datacachecactusapp"); | |
} | |
public void testQueryResultTypesWithThis() { | |
Broker broker = getBroker(); | |
Query q = | |
broker.newQuery(JPQLParser.LANG_JPQL, "select a.name,a FROM " + | |
CacheObjectA.class.getSimpleName() + " a"); | |
Class[] types = q.getProjectionTypes(); | |
assertEquals(2, types.length); | |
assertEquals(String.class, types[0]); | |
assertEquals(CacheObjectA.class, types[1]); | |
} | |
public void testQueryResultTypesWithRelated() { | |
Broker broker = getBroker(); | |
Query q = broker | |
.newQuery(JPQLParser.LANG_JPQL, "select a.name,a.relatedB FROM " + | |
CacheObjectA.class.getSimpleName() + " a"); | |
//CacheObjectA.class, "select name, relatedB"); | |
Class[] types = q.getProjectionTypes(); | |
assertEquals(2, types.length); | |
assertEquals(String.class, types[0]); | |
assertEquals(CacheObjectB.class, types[1]); | |
} | |
public void testSingleProjectionOfNonThisRelation() { | |
Broker broker = getBroker(); | |
Query q = | |
broker.newQuery(JPQLParser.LANG_JPQL, "select a.relatedB FROM " + | |
CacheObjectA.class.getSimpleName() + " a"); | |
Class[] types = q.getProjectionTypes(); | |
assertEquals(1, types.length); | |
assertEquals(CacheObjectB.class, types[0]); | |
} | |
public void testSingleProjectionOfThisRelation() { | |
Broker broker = getBroker(); | |
Query q = broker.newQuery(JPQLParser.LANG_JPQL, "select a FROM " + | |
CacheObjectA.class.getSimpleName() + " a"); | |
Class[] types = q.getProjectionTypes(); | |
assertEquals(0, types.length); | |
} | |
public void testNoResultClause() { | |
Broker broker = getBroker(); | |
Query q = | |
broker.newQuery(JPQLParser.LANG_JPQL, "select a FROM " + | |
CacheObjectA.class.getSimpleName() + " a"); | |
Class[] types = q.getProjectionTypes(); | |
assertEquals(0, types.length); | |
} | |
private Broker getBroker() { | |
return JPAFacadeHelper | |
.toBroker(currentEntityManager()); | |
} | |
} |