/*
* Copyright (C) 2010 Google Inc
*
* 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 com.google.appengine.datanucleus.jpa;
import java.util.Map;
import javax.persistence.Persistence;
import javax.persistence.PersistenceException;
import com.google.appengine.datanucleus.DatastoreManager;
import com.google.appengine.datanucleus.StorageVersion;
import com.google.appengine.datanucleus.Utils;
/**
* @author Max Ross <max.ross@gmail.com>
*/
public class JPAStorageVersionTest extends JPATestCase {
public void testDefaultStorageVersion() {
DatastoreManager storeMgr = (DatastoreManager) getExecutionContext().getStoreManager();
assertEquals(StorageVersion.READ_OWNED_CHILD_KEYS_FROM_PARENTS, storeMgr.getStorageVersion());
}
public void testNonDefaultStorageVersion() {
em.close();
emf.close();
Map<String, String> props = Utils.newHashMap();
props.put(StorageVersion.STORAGE_VERSION_PROPERTY, StorageVersion.PARENTS_DO_NOT_REFER_TO_CHILDREN.name());
emf = Persistence.createEntityManagerFactory(getEntityManagerFactoryName().name(), props);
em = emf.createEntityManager();
DatastoreManager storeMgr = (DatastoreManager) getExecutionContext().getStoreManager();
assertEquals(StorageVersion.PARENTS_DO_NOT_REFER_TO_CHILDREN, storeMgr.getStorageVersion());
}
public void testUnknownStorageVersion() {
em.close();
emf.close();
Map<String, String> props = Utils.newHashMap();
props.put(StorageVersion.STORAGE_VERSION_PROPERTY, "does not exist");
try {
emf = Persistence.createEntityManagerFactory(getEntityManagerFactoryName().name(), props);
} catch (Exception e) {
// not all Persistence impls wrap EMF creation exception into PersistenceException
Throwable cause = (e instanceof PersistenceException) ? e.getCause() : e;
// good
assertTrue(cause.getMessage().startsWith("'does not exist'"));
}
}
}