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 *****************************************************************************/
010package org.picocontainer.injectors;
011
012import static junit.framework.Assert.fail;
013import static org.junit.Assert.assertNotNull;
014import static org.junit.Assert.assertEquals;
015
016import junit.framework.Assert;
017import org.junit.Test;
018import org.picocontainer.DefaultPicoContainer;
019import org.picocontainer.MutablePicoContainer;
020import org.picocontainer.lifecycle.NullLifecycleStrategy;
021import org.picocontainer.monitors.NullComponentMonitor;
022
023public class NamedFieldInjectorTestCase {
024
025    public static class Helicopter {
026        private PogoStick pogo;
027    }
028
029    public static class Biplane {
030        private String wing1;
031        private String wing2;
032    }
033
034    public static class Monoplane {
035        private String wing1;
036    }
037
038    public static class PogoStick {
039    }
040
041    @Test public void testFieldInjectionByType() {
042        MutablePicoContainer pico = new DefaultPicoContainer();
043        pico.addAdapter(new NamedFieldInjector(Helicopter.class, Helicopter.class, null,
044                                                    new NullComponentMonitor(), " aa bb cc pogo dd "));
045        pico.addComponent(PogoStick.class, new PogoStick());
046        Helicopter chopper = pico.getComponent(Helicopter.class);
047        assertNotNull(chopper);
048        assertNotNull(chopper.pogo);
049    }
050
051    @Test public void testFieldInjectionByName() {
052        MutablePicoContainer pico = new DefaultPicoContainer();
053        pico.addAdapter(new NamedFieldInjector(Biplane.class, Biplane.class, null,
054                                                    new NullComponentMonitor(), " aa wing1 cc wing2 dd "));
055        pico.addConfig("wing1", "hello");
056        pico.addConfig("wing2", "goodbye");
057        Biplane biplane = pico.getComponent(Biplane.class);
058        assertNotNull(biplane);
059        assertNotNull(biplane.wing1);
060        assertEquals("hello", biplane.wing1);
061        assertNotNull(biplane.wing2);
062        assertEquals("goodbye", biplane.wing2);
063    }
064
065
066    @Test public void testFieldInjectionByTypeWhereNoMatch() {
067        MutablePicoContainer pico = new DefaultPicoContainer();
068        pico.setName("parent");
069        pico.addAdapter(new NamedFieldInjector(Monoplane.class, Monoplane.class, null,
070                new NullComponentMonitor(), " aa wing1 cc wing2 dd "));
071        try {
072            pico.getComponent(Monoplane.class);
073            fail("should have barfed");
074        } catch (AbstractInjector.UnsatisfiableDependenciesException e) {
075            String expected = "Monoplane has unsatisfied dependency for fields [String.wing1] from parent:1<|";
076            String actual = e.getMessage().replace("java.lang.","");
077            actual = actual.replace(NamedFieldInjectorTestCase.class.getName() + "$", "");
078            Assert.assertEquals(expected, actual);
079        }
080    }
081
082}