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org.picocontainer.behaviors.AdaptingBehaviorTestCase Maven / Gradle / Ivy
/*****************************************************************************
* Copyright (C) PicoContainer Organization. All rights reserved. *
* ------------------------------------------------------------------------- *
* The software in this package is published under the terms of the BSD *
* style license a copy of which has been included with this distribution in *
* the LICENSE.txt file. *
* *
* Original code by *
*****************************************************************************/
package org.picocontainer.behaviors;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertSame;
import static org.junit.Assert.assertTrue;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.Map;
import java.util.Properties;
import org.junit.Test;
import org.picocontainer.Characteristics;
import org.picocontainer.ComponentAdapter;
import org.picocontainer.adapters.InstanceAdapter;
import org.picocontainer.annotations.Cache;
import org.picocontainer.containers.EmptyPicoContainer;
import org.picocontainer.injectors.SetterInjector;
import org.picocontainer.lifecycle.NullLifecycleStrategy;
import org.picocontainer.monitors.NullComponentMonitor;
import com.thoughtworks.xstream.XStream;
public class AdaptingBehaviorTestCase {
@Test public void testCachingBehaviorCanBeAddedByCharacteristics() {
AdaptingBehavior abf = new AdaptingBehavior();
Properties cc = new Properties();
mergeInto(Characteristics.CACHE,cc);
ComponentAdapter ca = abf.createComponentAdapter(new NullComponentMonitor(), new NullLifecycleStrategy(), cc, Map.class, HashMap.class);
assertTrue(ca instanceof Cached);
Map map = (Map)ca.getComponentInstance(new EmptyPicoContainer());
assertNotNull(map);
Map map2 = (Map)ca.getComponentInstance(new EmptyPicoContainer());
assertSame(map, map2);
assertEquals(0, cc.size());
assertEquals("Cached:ConstructorInjector-interface java.util.Map",ca.toString());
}
@Test public void testCachingBehaviorCanBeAddedByAnnotation() {
AdaptingBehavior abf = new AdaptingBehavior();
Properties cc = new Properties();
ComponentAdapter ca = abf.createComponentAdapter(new NullComponentMonitor(), new NullLifecycleStrategy(), cc, Map.class, MyHashMap.class);
assertTrue(ca instanceof Cached);
Map map = (Map)ca.getComponentInstance(new EmptyPicoContainer());
assertNotNull(map);
Map map2 = (Map)ca.getComponentInstance(new EmptyPicoContainer());
assertSame(map, map2);
assertEquals(0, cc.size());
assertEquals("Cached:ConstructorInjector-interface java.util.Map",ca.toString());
}
@Cache
public static class MyHashMap extends HashMap {
public MyHashMap() {
}
}
public static class MyHashMap2 extends HashMap {
private String foo;
public MyHashMap2() {
}
public void setFoo(String foo) {
this.foo = foo;
}
}
@Test public void testImplementationHidingBehaviorCanBeAddedByCharacteristics() {
AdaptingBehavior abf = new AdaptingBehavior();
Properties cc = new Properties();
mergeInto(Characteristics.HIDE_IMPL,cc);
ComponentAdapter ca = abf.createComponentAdapter(new NullComponentMonitor(), new NullLifecycleStrategy(), cc, Map.class, HashMap.class);
assertTrue(ca instanceof HiddenImplementation);
Map map = (Map)ca.getComponentInstance(new EmptyPicoContainer());
assertNotNull(map);
assertTrue(!(map instanceof HashMap));
assertEquals(0, cc.size());
assertEquals("Hidden:ConstructorInjector-interface java.util.Map",ca.toString());
}
@Test public void testPropertyApplyingBehaviorCanBeAddedByCharacteristics() {
AdaptingBehavior abf = new AdaptingBehavior();
Properties cc = new Properties();
mergeInto(Characteristics.PROPERTY_APPLYING,cc);
ComponentAdapter ca = abf.createComponentAdapter(new NullComponentMonitor(), new NullLifecycleStrategy(), cc, Map.class, MyHashMap2.class);
assertTrue(ca instanceof PropertyApplicator);
PropertyApplicator pa = (PropertyApplicator)ca;
pa.setProperty("foo", "bar");
Map map = (Map)ca.getComponentInstance(new EmptyPicoContainer());
assertNotNull(map);
assertTrue(map instanceof HashMap);
assertTrue(map instanceof MyHashMap2);
assertEquals("bar", ((MyHashMap2) map).foo);
assertEquals(0, cc.size());
assertEquals("PropertyApplied:ConstructorInjector-interface java.util.Map",ca.toString());
}
@Test public void testSetterInjectionCanBeTriggereedMeaningAdaptiveInjectorIsUsed() {
AdaptingBehavior abf = new AdaptingBehavior();
Properties cc = new Properties();
mergeInto(Characteristics.SDI,cc);
ComponentAdapter ca = abf.createComponentAdapter(new NullComponentMonitor(), new NullLifecycleStrategy(), cc, Map.class, HashMap.class);
assertTrue(ca instanceof SetterInjector);
Map map = (Map)ca.getComponentInstance(new EmptyPicoContainer());
assertNotNull(map);
assertEquals(0, cc.size());
assertEquals("SetterInjector-interface java.util.Map",ca.toString());
}
@Test public void testCachingAndImplHidingAndThreadSafetySetupCorrectly() {
AdaptingBehavior abf = new AdaptingBehavior();
Properties cc = new Properties();
mergeInto(Characteristics.CACHE,cc);
mergeInto(Characteristics.HIDE_IMPL,cc);
mergeInto(Characteristics.SYNCHRONIZE,cc);
ComponentAdapter ca = abf.createComponentAdapter(new NullComponentMonitor(), new NullLifecycleStrategy(), cc, Map.class, HashMap.class);
assertTrue(ca instanceof Cached);
Map map = (Map)ca.getComponentInstance(new EmptyPicoContainer(), null);
assertNotNull(map);
assertTrue(!(map instanceof HashMap));
XStream xs = new XStream();
String foo = xs.toXML(ca);
int ih = foo.indexOf(HiddenImplementation.class.getName());
int sb = foo.indexOf(Synchronized.class.getName());
// check right nesting order
assertTrue(ih>0);
assertTrue(sb>0);
assertTrue(sb>ih);
assertEquals(0, cc.size());
assertEquals("Cached:Hidden:Synchronized:ConstructorInjector-interface java.util.Map",ca.toString());
}
@Test public void testCachingAndImplHidingAndThreadSafetySetupCorrectlyForExtraCaching() {
Caching cbf = new Caching();
AdaptingBehavior abf = new AdaptingBehavior();
cbf.wrap(abf);
Properties cc = new Properties();
mergeInto(Characteristics.CACHE,cc);
mergeInto(Characteristics.HIDE_IMPL,cc);
mergeInto(Characteristics.SYNCHRONIZE,cc);
ComponentAdapter ca = cbf.createComponentAdapter(new NullComponentMonitor(), new NullLifecycleStrategy(), cc, Map.class, HashMap.class);
assertTrue(ca instanceof Cached);
Map map = (Map)ca.getComponentInstance(new EmptyPicoContainer());
assertNotNull(map);
assertTrue(!(map instanceof HashMap));
XStream xs = new XStream();
String foo = xs.toXML(ca);
assertTrue(foo.indexOf("<" + Cached.class.getName() + ">", 0) > -1); // xml does start with CB
assertFalse(foo.indexOf("<" + Cached.class.getName() + ">", 1) > -1); // but only contains it once.
assertEquals("Cached:Hidden:Synchronized:ConstructorInjector-interface java.util.Map",ca.toString());
}
@Test public void testCachingAndImplHidingAndThreadSafetySetupCorrectlyForExtraCachingForAdapter() {
Caching cbf = new Caching();
AdaptingBehavior abf = new AdaptingBehavior();
cbf.wrap(abf);
Properties cc = new Properties();
mergeInto(Characteristics.CACHE,cc);
mergeInto(Characteristics.HIDE_IMPL,cc);
mergeInto(Characteristics.SYNCHRONIZE,cc);
ComponentAdapter ca = cbf.addComponentAdapter(new NullComponentMonitor(), new NullLifecycleStrategy(), cc, new InstanceAdapter(Map.class, new HashMap(), new NullLifecycleStrategy(), new NullComponentMonitor()));
assertTrue(ca instanceof Cached);
Map map = (Map)ca.getComponentInstance(new EmptyPicoContainer());
assertNotNull(map);
assertTrue(!(map instanceof HashMap));
XStream xs = new XStream();
String foo = xs.toXML(ca);
assertTrue(foo.indexOf("<" + Cached.class.getName() + ">", 0) > -1); // xml does start with CB
assertFalse(foo.indexOf("<" + Cached.class.getName() + ">", 1) > -1); // but only contains it once.
assertEquals("Cached:Hidden:Synchronized:Instance-interface java.util.Map",ca.toString());
}
public void mergeInto(Properties p, Properties into) {
Enumeration e = p.propertyNames();
while (e.hasMoreElements()) {
String s = (String)e.nextElement();
into.setProperty(s, p.getProperty(s));
}
}
}
