/*
* Copyright 2002-2006 the original author or authors.
*
* 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.springframework.dao.support;
import junit.framework.TestCase;
import org.springframework.dao.InvalidDataAccessApiUsageException;
import org.springframework.dao.OptimisticLockingFailureException;
import org.springframework.dao.support.DataAccessUtilsTests.MapPersistenceExceptionTranslator;
/**
* @author Rod Johnson
* @since 2.0
*/
public class ChainedPersistenceExceptionTranslatorTests extends TestCase {
public void testEmpty() {
ChainedPersistenceExceptionTranslator pet = new ChainedPersistenceExceptionTranslator();
//MapPersistenceExceptionTranslator mpet = new MapPersistenceExceptionTranslator();
RuntimeException in = new RuntimeException("in");
assertSame(in, DataAccessUtils.translateIfNecessary(in, pet));
}
public void testExceptionTranslationWithTranslation() {
MapPersistenceExceptionTranslator mpet1 = new MapPersistenceExceptionTranslator();
RuntimeException in1 = new RuntimeException("in");
InvalidDataAccessApiUsageException out1 = new InvalidDataAccessApiUsageException("out");
InvalidDataAccessApiUsageException out2 = new InvalidDataAccessApiUsageException("out");
mpet1.addTranslation(in1, out1);
ChainedPersistenceExceptionTranslator chainedPet1 = new ChainedPersistenceExceptionTranslator();
assertSame("Should not translate yet", in1, DataAccessUtils.translateIfNecessary(in1, chainedPet1));
chainedPet1.addDelegate(mpet1);
assertSame("Should now translate", out1, DataAccessUtils.translateIfNecessary(in1, chainedPet1));
// Now add a new translator and verify it wins
MapPersistenceExceptionTranslator mpet2 = new MapPersistenceExceptionTranslator();
mpet2.addTranslation(in1, out2);
chainedPet1.addDelegate(mpet2);
assertSame("Should still translate the same due to ordering",
out1, DataAccessUtils.translateIfNecessary(in1, chainedPet1));
ChainedPersistenceExceptionTranslator chainedPet2 = new ChainedPersistenceExceptionTranslator();
chainedPet2.addDelegate(mpet2);
chainedPet2.addDelegate(mpet1);
assertSame("Should translate differently due to ordering",
out2, DataAccessUtils.translateIfNecessary(in1, chainedPet2));
RuntimeException in2 = new RuntimeException("in2");
OptimisticLockingFailureException out3 = new OptimisticLockingFailureException("out2");
assertNull(chainedPet2.translateExceptionIfPossible(in2));
MapPersistenceExceptionTranslator mpet3 = new MapPersistenceExceptionTranslator();
mpet3.addTranslation(in2, out3);
chainedPet2.addDelegate(mpet3);
assertSame(out3, chainedPet2.translateExceptionIfPossible(in2));
}
}