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ChainedPersistenceExceptionTranslatorTests.java
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ChainedPersistenceExceptionTranslatorTests.java
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/*
* Copyright 2002-2023 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
*
* https://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 org.junit.jupiter.api.Test;
import org.springframework.dao.InvalidDataAccessApiUsageException;
import org.springframework.dao.OptimisticLockingFailureException;
import static org.assertj.core.api.Assertions.assertThat;
/**
* @author Rod Johnson
* @since 2.0
*/
class ChainedPersistenceExceptionTranslatorTests {
@Test
void empty() {
ChainedPersistenceExceptionTranslator pet = new ChainedPersistenceExceptionTranslator();
RuntimeException in = new RuntimeException("in");
assertThat(DataAccessUtils.translateIfNecessary(in, pet)).isSameAs(in);
}
@Test
void exceptionTranslationWithTranslation() {
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();
assertThat(DataAccessUtils.translateIfNecessary(in1, chainedPet1)).as("Should not translate yet").isSameAs(in1);
chainedPet1.addDelegate(mpet1);
assertThat(DataAccessUtils.translateIfNecessary(in1, chainedPet1)).as("Should now translate").isSameAs(out1);
// Now add a new translator and verify it wins
MapPersistenceExceptionTranslator mpet2 = new MapPersistenceExceptionTranslator();
mpet2.addTranslation(in1, out2);
chainedPet1.addDelegate(mpet2);
assertThat(DataAccessUtils.translateIfNecessary(in1, chainedPet1)).as("Should still translate the same due to ordering").isSameAs(out1);
ChainedPersistenceExceptionTranslator chainedPet2 = new ChainedPersistenceExceptionTranslator();
chainedPet2.addDelegate(mpet2);
chainedPet2.addDelegate(mpet1);
assertThat(DataAccessUtils.translateIfNecessary(in1, chainedPet2)).as("Should translate differently due to ordering").isSameAs(out2);
RuntimeException in2 = new RuntimeException("in2");
OptimisticLockingFailureException out3 = new OptimisticLockingFailureException("out2");
assertThat(chainedPet2.translateExceptionIfPossible(in2)).isNull();
MapPersistenceExceptionTranslator mpet3 = new MapPersistenceExceptionTranslator();
mpet3.addTranslation(in2, out3);
chainedPet2.addDelegate(mpet3);
assertThat(chainedPet2.translateExceptionIfPossible(in2)).isSameAs(out3);
}
}