/*
* Copyright 2006-2013 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.core.step.item;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.fail;
import org.junit.Test;
import org.springframework.batch.core.ExitStatus;
import org.springframework.batch.core.JobExecution;
import org.springframework.batch.core.JobInstance;
import org.springframework.batch.core.JobParameters;
import org.springframework.batch.core.StepContribution;
import org.springframework.batch.core.StepExecution;
import org.springframework.batch.core.scope.context.ChunkContext;
/**
* @author Dave Syer
*
*/
public class ChunkOrientedTaskletTests {
private ChunkContext context = new ChunkContext(null);
@Test
public void testHandle() throws Exception {
ChunkOrientedTasklet<String> handler = new ChunkOrientedTasklet<String>(new ChunkProvider<String>() {
@Override
public Chunk<String> provide(StepContribution contribution) throws Exception {
contribution.incrementReadCount();
Chunk<String> chunk = new Chunk<String>();
chunk.add("foo");
return chunk;
}
@Override
public void postProcess(StepContribution contribution, Chunk<String> chunk) {}
}, new ChunkProcessor<String>() {
@Override
public void process(StepContribution contribution, Chunk<String> chunk) {
contribution.incrementWriteCount(1);
}
});
StepContribution contribution = new StepContribution(new StepExecution("foo", new JobExecution(new JobInstance(
123L, "job"),new JobParameters())));
handler.execute(contribution, context);
assertEquals(1, contribution.getReadCount());
assertEquals(1, contribution.getWriteCount());
assertEquals(0, context.attributeNames().length);
}
@Test
public void testFail() throws Exception {
ChunkOrientedTasklet<String> handler = new ChunkOrientedTasklet<String>(new ChunkProvider<String>() {
@Override
public Chunk<String> provide(StepContribution contribution) throws Exception {
throw new RuntimeException("Foo!");
}
@Override
public void postProcess(StepContribution contribution, Chunk<String> chunk) {}
}, new ChunkProcessor<String>() {
@Override
public void process(StepContribution contribution, Chunk<String> chunk) {
fail("Not expecting to get this far");
}
});
StepContribution contribution = new StepContribution(new StepExecution("foo", new JobExecution(new JobInstance(
123L, "job"), new JobParameters())));
try {
handler.execute(contribution, context);
fail("Expected RuntimeException");
}
catch (RuntimeException e) {
assertEquals("Foo!", e.getMessage());
}
assertEquals(0, contribution.getReadCount());
}
@Test
public void testExitCode() throws Exception {
ChunkOrientedTasklet<String> handler = new ChunkOrientedTasklet<String>(new ChunkProvider<String>() {
@Override
public Chunk<String> provide(StepContribution contribution) throws Exception {
contribution.incrementReadCount();
Chunk<String> chunk = new Chunk<String>();
chunk.add("foo");
chunk.setEnd();
return chunk;
}
@Override
public void postProcess(StepContribution contribution, Chunk<String> chunk) {}
}, new ChunkProcessor<String>() {
@Override
public void process(StepContribution contribution, Chunk<String> chunk) {
contribution.incrementWriteCount(1);
}
});
StepContribution contribution = new StepContribution(new StepExecution("foo", new JobExecution(new JobInstance(
123L, "job"), new JobParameters())));
ExitStatus expected = contribution.getExitStatus();
handler.execute(contribution, context);
// The tasklet does not change the exit code
assertEquals(expected, contribution.getExitStatus());
}
}