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 * Idea by Rachel Davies, Original code by Aslak Hellesoy and Paul Hammant   *
009 *****************************************************************************/
010package org.picocontainer.injectors;
011
012import static org.junit.Assert.assertEquals;
013import static org.junit.Assert.assertNotNull;
014import static org.picocontainer.Characteristics.USE_NAMES;
015
016import java.util.Properties;
017
018import org.junit.Before;
019import org.junit.Test;
020import org.picocontainer.ComponentFactory;
021import org.picocontainer.DefaultPicoContainer;
022import org.picocontainer.lifecycle.NullLifecycleStrategy;
023import org.picocontainer.monitors.NullComponentMonitor;
024import org.picocontainer.parameters.ConstantParameter;
025import org.picocontainer.tck.AbstractComponentFactoryTest;
026import org.picocontainer.tck.AbstractComponentAdapterTest.RecordingLifecycleStrategy;
027import org.picocontainer.testmodel.NullLifecycle;
028import org.picocontainer.testmodel.RecordingLifecycle;
029import org.picocontainer.testmodel.RecordingLifecycle.One;
030
031/**
032 * @author Mauro Talevi
033 */
034public class ConstructorInjectionTestCase extends AbstractComponentFactoryTest {
035
036        @Before
037    public void setUp() throws Exception {
038        picoContainer = new DefaultPicoContainer(createComponentFactory());
039    }
040
041    protected ComponentFactory createComponentFactory() {
042        return new ConstructorInjection();
043    }
044
045    public static class ClassA {
046        private int x;
047        public ClassA(int x) {
048            this.x = x;
049        }
050    }
051    @Test public void testAutoConversionOfIntegerParam() {
052        picoContainer.as(USE_NAMES).addComponent(ClassA.class);
053        picoContainer.addComponent("x", "12");
054        assertNotNull(picoContainer.getComponent(ClassA.class));
055        assertEquals(12,picoContainer.getComponent(ClassA.class).x);
056    }
057
058    public static class ClassB {
059        private float x;
060        public ClassB(float x) {
061            this.x = x;
062        }
063    }
064    @Test public void testAutoConversionOfFloatParam() {
065        picoContainer.as(USE_NAMES).addComponent(ClassB.class);
066        picoContainer.addComponent("x", "1.2");
067        assertNotNull(picoContainer.getComponent(ClassB.class));
068        assertEquals(1.2,picoContainer.getComponent(ClassB.class).x, 0.0001);
069    }
070    
071    
072    /**
073     * Test class to verify the CICA can handle
074     * a constant parameter class type. 
075     *
076     */
077    @SuppressWarnings({"unchecked", "unused"})
078    public static class ClassAsConstructor {
079                private final Class type;
080
081                public ClassAsConstructor(Class type) {
082                        this.type = type;               
083        }
084    }
085    
086        @Test 
087    @SuppressWarnings("unchecked")
088    public void allowClassTypesForComponentAdapter() {
089        ConstructorInjection componentFactory = new ConstructorInjection();
090        
091        ConstructorInjector cica =  (ConstructorInjector)
092        componentFactory.createComponentAdapter(new NullComponentMonitor(), new NullLifecycleStrategy(), new Properties(), ClassAsConstructor.class, ClassAsConstructor.class, new ConstantParameter(String.class));
093        
094        ClassAsConstructor instance = (ClassAsConstructor) cica.getComponentInstance(picoContainer);
095        assertNotNull(instance);
096        
097    }
098
099
100}