/*
* Copyright 2008-2014 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.batch.sample.common;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.util.ArrayList;
import org.junit.After;
import org.junit.Test;
import org.springframework.batch.core.UnexpectedJobExecutionException;
import org.springframework.batch.item.support.ListItemReader;
import org.springframework.batch.repeat.context.RepeatContextSupport;
import org.springframework.batch.repeat.support.RepeatSynchronizationManager;
import org.springframework.batch.sample.support.ExceptionThrowingItemReaderProxy;
public class ExceptionThrowingItemReaderProxyTests {
//expected call count before exception is thrown (exception should be thrown in next iteration)
private static final int ITER_COUNT = 5;
@After
public void tearDown() throws Exception {
RepeatSynchronizationManager.clear();
}
@SuppressWarnings("serial")
@Test
public void testProcess() throws Exception {
//create module and set item processor and iteration count
ExceptionThrowingItemReaderProxy<String> itemReader = new ExceptionThrowingItemReaderProxy<String>();
itemReader.setDelegate(new ListItemReader<String>(new ArrayList<String>() {{
add("a");
add("b");
add("c");
add("d");
add("e");
add("f");
}}));
itemReader.setThrowExceptionOnRecordNumber(ITER_COUNT + 1);
RepeatSynchronizationManager.register(new RepeatContextSupport(null));
//call process method multiple times and verify whether exception is thrown when expected
for (int i = 0; i <= ITER_COUNT; i++) {
try {
itemReader.read();
assertTrue(i < ITER_COUNT);
} catch (UnexpectedJobExecutionException bce) {
assertEquals(ITER_COUNT,i);
}
}
}
}