/*
* Copyright 2016-2017 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.data.mongodb.core.convert;
import static org.hamcrest.core.Is.*;
import static org.hamcrest.core.IsEqual.*;
import static org.mockito.Mockito.*;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.junit.MockitoJUnitRunner;
import org.springframework.dao.DataAccessException;
import org.springframework.dao.support.PersistenceExceptionTranslator;
import org.springframework.data.mongodb.LazyLoadingException;
import org.springframework.data.mongodb.core.convert.DefaultDbRefResolver.LazyLoadingInterceptor;
import org.springframework.data.mongodb.core.mapping.MongoPersistentProperty;
import com.mongodb.DBRef;
/**
* Unit tests for {@link LazyLoadingInterceptor}.
*
* @author Christoph Strobl
*/
@RunWith(MockitoJUnitRunner.class)
public class LazyLoadingInterceptorUnitTests {
public @Rule ExpectedException exception = ExpectedException.none();
@Mock MongoPersistentProperty propertyMock;
@Mock DBRef dbrefMock;
@Mock DbRefResolverCallback callbackMock;
@Test // DATAMONGO-1437
public void shouldPreserveCauseForNonTranslatableExceptions() throws Throwable {
NullPointerException npe = new NullPointerException("Some Exception we did not think about.");
when(callbackMock.resolve(propertyMock)).thenThrow(npe);
exception.expect(LazyLoadingException.class);
exception.expectCause(is(equalTo(npe)));
new LazyLoadingInterceptor(propertyMock, dbrefMock, new NullExceptionTranslator(), callbackMock).intercept(null,
LazyLoadingProxy.class.getMethod("getTarget"), null, null);
}
static class NullExceptionTranslator implements PersistenceExceptionTranslator {
@Override
public DataAccessException translateExceptionIfPossible(RuntimeException ex) {
return null;
}
}
}