CachingPicoContainerTestCase


1   /*****************************************************************************
2    * Copyright (C) PicoContainer Organization. All rights reserved.            *
3    * ------------------------------------------------------------------------- *
4    * The software in this package is published under the terms of the BSD      *
5    * style license a copy of which has been included with this distribution in *
6    * the LICENSE.txt file.                                                     *
7    *                                                                           *
8    * Original code by the committers                                           *
9    *****************************************************************************/
10  
11  package org.picocontainer.alternatives;
12  
13  import java.util.ArrayList  ;
14  import java.util.Iterator  ;
15  import java.util.List  ;
16  
17  import org.picocontainer.MutablePicoContainer;
18  import org.picocontainer.PicoContainer;
19  import org.picocontainer.alternatives.ImmutablePicoContainerTestCase.UnsatisfiableIterator;
20  import org.picocontainer.defaults.ConstructorInjectionComponentAdapterFactory;
21  import org.picocontainer.defaults.DefaultPicoContainer;
22  import org.picocontainer.tck.AbstractPicoContainerTestCase;
23  
24  /**
25   * @author Paul Hammant
26   * @version $Revision: 3140 $
27   */
28  public class CachingPicoContainerTestCase extends AbstractPicoContainerTestCase {
29  
30      protected MutablePicoContainer createImplementationHidingPicoContainer() {
31          return new CachingPicoContainer();
32      }
33  
34      protected MutablePicoContainer createPicoContainer(PicoContainer parent) {
35          return new CachingPicoContainer(parent);
36      }
37  
38      public void testUsageOfADifferentComponentAdapterFactory() {
39          // Jira bug 212 - logical opposite
40          MutablePicoContainer parent = new DefaultPicoContainer();
41          CachingPicoContainer pico = new CachingPicoContainer(new ConstructorInjectionComponentAdapterFactory(), parent);
42          pico.registerComponentImplementation(List  .class, ArrayList  .class);
43          List   list1 = (List  ) pico.getComponentInstanceOfType(List  .class);
44          List   list2 = (List  ) pico.getComponentInstanceOfType(List  .class);
45          assertNotNull(list1);
46          assertNotNull(list2);
47          assertTrue(list1 == list2);
48      }
49  
50  
51      public void testComponentAdaptersListsAreNotCached() {
52          MutablePicoContainer parent = new DefaultPicoContainer();
53          CachingPicoContainer pico = new CachingPicoContainer(new ConstructorInjectionComponentAdapterFactory(), parent);
54          pico.registerComponentImplementation(List  .class, ArrayList  .class);
55          List   list1 = (List  ) pico.getComponentAdaptersOfType(List  .class);
56          List   list2 = (List  ) pico.getComponentAdaptersOfType(List  .class);
57          assertNotNull(list1);
58          assertNotNull(list2);
59          assertTrue(list1 != list2);
60      }    
61      
62  
63      public void testDelegationOfVerify() {        
64          DefaultPicoContainer mpc = new DefaultPicoContainer();
65          mpc.registerComponentImplementation(Iterator  .class, UnsatisfiableIterator.class);
66          CachingPicoContainer pico = new CachingPicoContainer(mpc);
67          pico.verify();
68  
69      }
70      
71  }
72
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