/**
* This file Copyright (c) 2008-2012 Magnolia International
* Ltd. (http://www.magnolia-cms.com). All rights reserved.
*
*
* This file is dual-licensed under both the Magnolia
* Network Agreement and the GNU General Public License.
* You may elect to use one or the other of these licenses.
*
* This file is distributed in the hope that it will be
* useful, but AS-IS and WITHOUT ANY WARRANTY; without even the
* implied warranty of MERCHANTABILITY or FITNESS FOR A
* PARTICULAR PURPOSE, TITLE, or NONINFRINGEMENT.
* Redistribution, except as permitted by whichever of the GPL
* or MNA you select, is prohibited.
*
* 1. For the GPL license (GPL), you can redistribute and/or
* modify this file under the terms of the GNU General
* Public License, Version 3, as published by the Free Software
* Foundation. You should have received a copy of the GNU
* General Public License, Version 3 along with this program;
* if not, write to the Free Software Foundation, Inc., 51
* Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* 2. For the Magnolia Network Agreement (MNA), this file
* and the accompanying materials are made available under the
* terms of the MNA which accompanies this distribution, and
* is available at http://www.magnolia-cms.com/mna.html
*
* Any modifications to this file must keep this entire header
* intact.
*
*/
package info.magnolia.beanmerger;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.commons.collections.CollectionUtils;
import org.junit.Test;
/**
* @version $Id$
*/
public class ProxyBasedBeanMergerTest {
public interface InterfaceA {
String getPropA();
}
public interface InterfaceB {
String getPropB();
}
public static class BeanA implements InterfaceA {
private String propA;
public BeanA() {
}
public BeanA(String propA) {
this.propA = propA;
}
@Override
public String getPropA() {
return propA;
}
}
public static class BeanB implements InterfaceB {
private String propB;
public BeanB() {
}
public BeanB(String propB) {
this.propB = propB;
}
@Override
public String getPropB() {
return propB;
}
}
public static class BeanAB extends BeanA implements InterfaceB {
private String propB;
public BeanAB() {
}
public BeanAB(String propA, String propB) {
super(propA);
this.propB = propB;
}
@Override
public String getPropB() {
return propB;
}
}
public static class BeanWithSubBean extends BeanAB {
private BeanAB subBean;
public BeanWithSubBean() {
}
public BeanWithSubBean(String propA, String propB, BeanAB subBean) {
super(propA, propB);
this.subBean = subBean;
}
public BeanAB getSubBean() {
return subBean;
}
}
public static class BeanWithMap {
private final Map<String, BeanAB> beans = new HashMap<String, ProxyBasedBeanMergerTest.BeanAB>();
public BeanWithMap() {
}
public Map<String, BeanAB> getBeans() {
return beans;
}
public void addBean(String name, BeanAB bean) {
beans.put(name, bean);
}
}
private final ProxyBasedBeanMerger proxyBasedBeanMerger = new ProxyBasedBeanMerger();
public <T> T merge(Object... sources) {
final ArrayList<Object> list = new ArrayList<Object>();
CollectionUtils.addAll(list, sources);
return (T) proxyBasedBeanMerger.merge(list);
}
@Test
public void testMergeOfInterfaces() {
Object result = merge(new BeanA("a"), new BeanB("b"));
// both interfaces are implemented
assertTrue(result instanceof InterfaceA);
assertTrue(result instanceof InterfaceB);
// but is an instance of BeanA
assertTrue(result instanceof BeanA);
assertFalse(result instanceof BeanB);
}
@Test
public void testMergeUsesSubClassIfAssignable() {
Object result = merge(new BeanA("a"), new BeanB("b"), new BeanAB("a", "b"));
// both interfaces are implemented
assertTrue(result instanceof InterfaceA);
assertTrue(result instanceof InterfaceB);
// but is an instance of BeanAB
assertTrue(result instanceof BeanAB);
assertTrue(result instanceof BeanA);
assertFalse(result instanceof BeanB);
}
@Test
public void testMergeMergedClass() {
Object firstMerge = merge(new BeanA("a"), new BeanB("b"), new BeanAB("a", "b"));
Object result = merge(firstMerge, new BeanB("b-b"));
// both interfaces are implemented
assertTrue(result instanceof InterfaceA);
assertTrue(result instanceof InterfaceB);
// but is an instance of BeanAB
assertTrue(result instanceof BeanAB);
assertTrue(result instanceof BeanA);
assertFalse(result instanceof BeanB);
}
@Test
public void testMergedProperties() {
Object current = new BeanWithSubBean(null, "currentB", new BeanAB("currentSubA", null));
Object fallback = new BeanWithSubBean("fallbackA", "fallbackB", new BeanAB("subFallbackA", "subFallbackB"));
BeanWithSubBean result = merge(current, fallback);
assertEquals("fallbackA", result.getPropA());
assertEquals("currentB", result.getPropB());
assertEquals("currentSubA", result.getSubBean().getPropA());
assertEquals("subFallbackB", result.getSubBean().getPropB());
}
@Test
public void testMergeMap() {
BeanWithMap one = new BeanWithMap();
one.addBean("entry1", new BeanAB("1A", "1B"));
BeanWithMap two = new BeanWithMap();
two.addBean("entry2", new BeanAB("2A", null));
BeanWithMap three = new BeanWithMap();
three.addBean("entry2", new BeanAB(null, "2B"));
three.addBean("entry3", new BeanAB("3A", "3B"));
BeanWithMap result = merge(one, two, three);
Map<String, BeanAB> beans = result.getBeans();
assertEquals(3, beans.size());
assertEquals("1A", beans.get("entry1").getPropA());
assertEquals("1B", beans.get("entry1").getPropB());
assertEquals("2A", beans.get("entry2").getPropA());
assertEquals("2B", beans.get("entry2").getPropB());
assertEquals("3A", beans.get("entry3").getPropA());
assertEquals("3B", beans.get("entry3").getPropB());
}
@Test
public void testIsSimpleType() {
class BeanMergerWithPublicIsSimpleType extends BeanMergerBase {
@Override
protected Object mergeBean(List sources) {
return null;
}
@Override
public boolean isSimpleType(Class type) {
return super.isSimpleType(type);
}
}
BeanMergerWithPublicIsSimpleType merger = new BeanMergerWithPublicIsSimpleType();
assertTrue(merger.isSimpleType(int.class));
assertTrue(merger.isSimpleType(Integer.class));
assertTrue(merger.isSimpleType(String.class));
assertFalse(merger.isSimpleType(Map.class));
assertFalse(merger.isSimpleType(Collection.class));
assertFalse(merger.isSimpleType(Object.class));
}
}