/*
* Copyright 2002-2008 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.configuration.xml;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import java.util.ArrayList;
import java.util.List;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.springframework.aop.framework.Advised;
import org.springframework.batch.core.Step;
import org.springframework.batch.core.StepListener;
import org.springframework.batch.core.listener.CompositeStepExecutionListener;
import org.springframework.batch.core.listener.ItemListenerSupport;
import org.springframework.batch.core.listener.StepExecutionListenerSupport;
import org.springframework.batch.core.step.tasklet.TaskletStep;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.test.context.ContextConfiguration;
import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;
import org.springframework.test.util.ReflectionTestUtils;
/**
* @author Dan Garrette
* @since 2.0
*/
@ContextConfiguration
@RunWith(SpringJUnit4ClassRunner.class)
public class StepListenerParserTests {
@Autowired
@Qualifier("s1")
private Step step1;
@Autowired
@Qualifier("s2")
private Step step2;
@Autowired
@Qualifier("s3")
private Step step3;
@Test
public void testInheritListeners() throws Exception {
List<?> list = getListeners(step1);
assertEquals(3, list.size());
boolean a = false;
boolean b = false;
boolean c = false;
for (Object listener : list) {
if (listener instanceof DummyAnnotationStepExecutionListener) {
a = true;
}
else if (listener instanceof StepExecutionListenerSupport) {
b = true;
}
else if (listener instanceof CompositeStepExecutionListener) {
c = true;
}
}
assertTrue(a);
assertTrue(b);
assertTrue(c);
}
@Test
public void testInheritListenersNoMerge() throws Exception {
List<?> list = getListeners(step2);
assertEquals(2, list.size());
boolean a = false;
boolean b = false;
for (Object listener : list) {
if (listener instanceof DummyAnnotationStepExecutionListener) {
a = true;
}
else if (listener instanceof StepExecutionListenerSupport) {
b = true;
}
}
assertTrue(a);
assertTrue(b);
}
@Test
public void testInheritListenersNoMergeFaultTolerant() throws Exception {
List<?> list = getListeners(step3);
assertEquals(2, list.size());
boolean a = false;
boolean b = false;
for (Object listener : list) {
if (listener instanceof DummyAnnotationStepExecutionListener) {
a = true;
}
else if (listener instanceof ItemListenerSupport) {
b = true;
}
}
assertTrue(a);
assertTrue(b);
}
@SuppressWarnings("unchecked")
private List<?> getListeners(Step step) throws Exception {
assertTrue(step instanceof TaskletStep);
Object compositeListener = ReflectionTestUtils.getField(step, "stepExecutionListener");
Object composite = ReflectionTestUtils.getField(compositeListener, "list");
List<StepListener> proxiedListeners = (List<StepListener>) ReflectionTestUtils.getField(
composite, "list");
List<Object> r = new ArrayList<Object>();
for (Object listener : proxiedListeners) {
while (listener instanceof Advised) {
listener = ((Advised) listener).getTargetSource().getTarget();
}
r.add(listener);
}
compositeListener = ReflectionTestUtils.getField(step, "chunkListener");
composite = ReflectionTestUtils.getField(compositeListener, "listeners");
proxiedListeners = (List<StepListener>) ReflectionTestUtils.getField(composite, "list");
for (Object listener : proxiedListeners) {
while (listener instanceof Advised) {
listener = ((Advised) listener).getTargetSource().getTarget();
}
r.add(listener);
}
try {
compositeListener = ReflectionTestUtils.getField(
ReflectionTestUtils.getField(ReflectionTestUtils.getField(
ReflectionTestUtils.getField(step, "tasklet"), "chunkProvider"), "listener"),
"itemReadListener");
composite = ReflectionTestUtils.getField(compositeListener, "listeners");
proxiedListeners = (List<StepListener>) ReflectionTestUtils.getField(composite, "list");
for (Object listener : proxiedListeners) {
while (listener instanceof Advised) {
listener = ((Advised) listener).getTargetSource().getTarget();
}
r.add(listener);
}
}
catch (IllegalArgumentException e) {
// ignore (not a chunk oriented step)
}
return r;
}
}