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.injectors;
011
012 import static junit.framework.Assert.fail;
013 import static org.junit.Assert.assertNotNull;
014 import static org.junit.Assert.assertEquals;
015
016 import junit.framework.Assert;
017 import org.junit.Test;
018 import org.picocontainer.DefaultPicoContainer;
019 import org.picocontainer.MutablePicoContainer;
020 import org.picocontainer.lifecycle.NullLifecycleStrategy;
021 import org.picocontainer.monitors.NullComponentMonitor;
022
023 public 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 }