001    /*****************************************************************************
002     * Copyright (C) PicoContainer Organization. All rights reserved.            *
003     * ------------------------------------------------------------------------- *
004     * The software in this package is published under the terms of the BSD      *
005     * style license a copy of which has been included with this distribution in *
006     * the LICENSE.txt file.                                                     *
007     *                                                                           *
008     * Original code by                                                          *
009     *****************************************************************************/
010    package org.picocontainer.defaults;
011    
012    import com.thoughtworks.xstream.XStream;
013    import com.thoughtworks.xstream.core.JVM;
014    import com.thoughtworks.xstream.io.xml.XppDriver;
015    import junit.framework.TestCase;
016    import org.picocontainer.MutablePicoContainer;
017    import org.picocontainer.PicoContainer;
018    import org.picocontainer.DefaultPicoContainer;
019    import org.picocontainer.testmodel.DependsOnTouchable;
020    import org.picocontainer.testmodel.SimpleTouchable;
021    
022    /**
023     * @author Aslak Hellesøy
024     */
025    public final class XStreamSerialisationTestCase extends TestCase {
026        private final XStream xStream = new XStream(new XppDriver());
027    
028        public void testShouldBeAbleToSerialiseEmptyPico() {
029            if (JVM.is14()) {
030                MutablePicoContainer pico = new DefaultPicoContainer();
031                String picoXml = xStream.toXML(pico);
032                PicoContainer serializedPico = (PicoContainer) xStream.fromXML(picoXml);
033    
034                assertEquals(0, serializedPico.getComponents().size());
035            }
036        }
037    
038        public void testShouldBeAbleToSerialisePicoWithUninstantiatedComponents() {
039            if (JVM.is14()) {
040                MutablePicoContainer pico = new DefaultPicoContainer();
041                pico.addComponent(SimpleTouchable.class);
042                pico.addComponent(DependsOnTouchable.class);
043                String picoXml = xStream.toXML(pico);
044                PicoContainer serializedPico = (PicoContainer) xStream.fromXML(picoXml);
045    
046                assertEquals(2, serializedPico.getComponents().size());
047            }
048        }
049    
050        public void testShouldBeAbleToSerialisePicoWithInstantiatedComponents() {
051            if (JVM.is14()) {
052                MutablePicoContainer pico = new DefaultPicoContainer();
053                pico.addComponent(SimpleTouchable.class);
054                pico.addComponent(DependsOnTouchable.class);
055                pico.getComponents();
056                String picoXml = xStream.toXML(pico);
057                PicoContainer serializedPico = (PicoContainer) xStream.fromXML(picoXml);
058    
059                assertEquals(2, serializedPico.getComponents().size());
060            }
061        }
062    }