/*****************************************************************************
* 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.defaults;
import junit.framework.TestCase;
import org.picocontainer.MutablePicoContainer;
import org.picocontainer.Parameter;
import org.picocontainer.testmodel.AlternativeTouchable;
import org.picocontainer.testmodel.DependsOnTouchable;
import org.picocontainer.testmodel.SimpleTouchable;
import org.picocontainer.testmodel.Touchable;
/**
* @author Paul Hammant
* @author Aslak Hellesøy
* @author Rafal Krzewski
* @version $Revision: 1272 $
*/
public class ChildContainerTestCase extends TestCase {
public void testParentContainerWithComponentWithEqualKeyShouldBeShadowedByChild() throws Exception {
DefaultPicoContainer parent = new DefaultPicoContainer();
DefaultPicoContainer child = new DefaultPicoContainer(parent);
parent.registerComponentImplementation("key", AlternativeTouchable.class);
child.registerComponentImplementation("key", SimpleTouchable.class);
child.registerComponentImplementation(DependsOnTouchable.class);
DependsOnTouchable dot = (DependsOnTouchable) child.getComponentInstanceOfType(DependsOnTouchable.class);
assertEquals(SimpleTouchable.class, dot.getTouchable().getClass());
}
public void testParentComponentRegisteredAsClassShouldBePreffered() throws Exception {
DefaultPicoContainer parent = new DefaultPicoContainer();
DefaultPicoContainer child = new DefaultPicoContainer(parent);
parent.registerComponentImplementation(Touchable.class, AlternativeTouchable.class);
child.registerComponentImplementation("key", SimpleTouchable.class);
child.registerComponentImplementation(DependsOnTouchable.class);
DependsOnTouchable dot = (DependsOnTouchable) child.getComponentInstanceOfType(DependsOnTouchable.class);
assertEquals(AlternativeTouchable.class, dot.getTouchable().getClass());
}
public void testResolveFromParentByType() {
MutablePicoContainer parent = new DefaultPicoContainer();
parent.registerComponentImplementation(Touchable.class, SimpleTouchable.class);
MutablePicoContainer child = new DefaultPicoContainer(parent);
child.registerComponentImplementation(DependsOnTouchable.class);
assertNotNull(child.getComponentInstance(DependsOnTouchable.class));
}
public void testResolveFromParentByKey() {
MutablePicoContainer parent = new DefaultPicoContainer();
parent.registerComponentImplementation(Touchable.class, SimpleTouchable.class);
MutablePicoContainer child = new DefaultPicoContainer(parent);
child.registerComponentImplementation(DependsOnTouchable.class, DependsOnTouchable.class,
new Parameter[]{new ComponentParameter((Object) Touchable.class)});
assertNotNull(child.getComponentInstance(DependsOnTouchable.class));
}
public void testResolveFromGrandParentByType() {
MutablePicoContainer grandParent = new DefaultPicoContainer();
grandParent.registerComponentImplementation(Touchable.class, SimpleTouchable.class);
MutablePicoContainer parent = new DefaultPicoContainer(grandParent);
MutablePicoContainer child = new DefaultPicoContainer(parent);
child.registerComponentImplementation(DependsOnTouchable.class);
assertNotNull(child.getComponentInstance(DependsOnTouchable.class));
}
public void testResolveFromGrandParentByKey() {
MutablePicoContainer grandParent = new DefaultPicoContainer();
grandParent.registerComponentImplementation(Touchable.class, SimpleTouchable.class);
MutablePicoContainer parent = new DefaultPicoContainer(grandParent);
MutablePicoContainer child = new DefaultPicoContainer(parent);
child.registerComponentImplementation(DependsOnTouchable.class, DependsOnTouchable.class,
new Parameter[]{new ComponentParameter((Object) Touchable.class)});
assertNotNull(child.getComponentInstance(DependsOnTouchable.class));
}
}