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1 package org.nanocontainer.reflection;
2
3 import java.io.ByteArrayInputStream  ;
4 import java.io.ByteArrayOutputStream ;
5 import java.io.IOException ;
6 import java.io.ObjectInputStream ;
7 import java.io.ObjectOutputStream ;
8 import java.io.Reader ;
9 import java.io.StringReader ;
10 import java.lang.reflect.InvocationTargetException ;
11
12 import junit.framework.TestCase;
13
14 import org.nanocontainer.integrationkit.ContainerPopulator;
15 import org.nanocontainer.integrationkit.ContainerRecorder;
16 import org.nanocontainer.script.xml.XMLContainerBuilder;
17 import org.nanocontainer.testmodel.FredImpl;
18 import org.nanocontainer.testmodel.ThingThatTakesParamsInConstructor;
19 import org.nanocontainer.testmodel.Wilma;
20 import org.nanocontainer.testmodel.WilmaImpl;
21 import org.picocontainer.MutablePicoContainer;
22 import org.picocontainer.Parameter;
23 import org.picocontainer.defaults.ComponentParameter;
24 import org.picocontainer.defaults.DefaultPicoContainer;
25
26
30 public class DefaultContainerRecorderTestCase extends TestCase {
31 public void testInvocationsCanBeRecordedAndReplayedOnADifferentContainerInstance() throws Exception {
32 ContainerRecorder recorder = new DefaultContainerRecorder(new DefaultNanoPicoContainer());
33 MutablePicoContainer recorded = recorder.getContainerProxy();
34
35 recorded.registerComponentInstance("fruit", "apple");
36 recorded.registerComponentInstance("int", new Integer (239));
37 recorded.registerComponentImplementation("thing",
38 ThingThatTakesParamsInConstructor.class,
39 new Parameter[]{
40 ComponentParameter.DEFAULT,
41 ComponentParameter.DEFAULT,
42 });
43
44 MutablePicoContainer slave = new DefaultPicoContainer();
45 recorder.replay(slave);
46 assertEquals("apple", slave.getComponentInstance("fruit"));
47 assertEquals("apple239", ((ThingThatTakesParamsInConstructor) slave.getComponentInstance("thing")).getValue());
48
49 MutablePicoContainer anotherSlave = new DefaultPicoContainer();
51 recorder.replay(anotherSlave);
52 assertEquals("apple", anotherSlave.getComponentInstance("fruit"));
53 assertEquals("apple239", ((ThingThatTakesParamsInConstructor) anotherSlave.getComponentInstance("thing")).getValue());
54 }
55
56 public void testRecorderWorksAfterSerialization() throws IOException , ClassNotFoundException , IllegalAccessException , InvocationTargetException {
57 ContainerRecorder recorder = new DefaultContainerRecorder(new DefaultPicoContainer());
58 MutablePicoContainer recorded = recorder.getContainerProxy();
59 recorded.registerComponentInstance("fruit", "apple");
60
61 ContainerRecorder serializedRecorder = (ContainerRecorder) serializeAndDeserialize(recorder);
62 MutablePicoContainer slave = new DefaultPicoContainer();
63 serializedRecorder.replay(slave);
64 assertEquals("apple", slave.getComponentInstance("fruit"));
65 }
66
67 private Object serializeAndDeserialize(Object o) throws IOException , ClassNotFoundException {
68 ByteArrayOutputStream baos = new ByteArrayOutputStream ();
69 ObjectOutputStream oos = new ObjectOutputStream (baos);
70
71 oos.writeObject(o);
72 ObjectInputStream ois = new ObjectInputStream (new ByteArrayInputStream (baos.toByteArray()));
73
74 return ois.readObject();
75 }
76
77
78 public void testXMLRecorderHierarchy() throws ClassNotFoundException {
79 MutablePicoContainer parentPrototype = new DefaultPicoContainer();
80 DefaultContainerRecorder parentRecorder = new DefaultContainerRecorder(parentPrototype);
81 StringReader parentResource = new StringReader (""
82 + "<container>"
83 + " <component-implementation key='wilma' class='"+WilmaImpl.class.getName()+"'/>"
84 + "</container>"
85 );
86
87 populateXMLContainer(parentRecorder, parentResource);
88 MutablePicoContainer parentContainer = parentRecorder.getContainerProxy();
89 assertNull(parentContainer.getComponentInstance("fred"));
90 assertNotNull(parentContainer.getComponentInstance("wilma"));
91
92 MutablePicoContainer childPrototype = new DefaultPicoContainer(parentPrototype);
93 DefaultContainerRecorder childRecorder = new DefaultContainerRecorder(childPrototype);
94 StringReader childResource = new StringReader (""
95 + "<container>"
96 + " <component-implementation key='fred' class='"+FredImpl.class.getName()+"'>"
97 + " <parameter key='wilma'/>"
98 + " </component-implementation>"
99 + "</container>"
100 );
101 populateXMLContainer(childRecorder, childResource);
102 MutablePicoContainer childContainer = childRecorder.getContainerProxy();
103 assertNotNull(childContainer.getComponentInstance("fred"));
104 assertNotNull(childContainer.getComponentInstance("wilma"));
105 FredImpl fred = (FredImpl)childContainer.getComponentInstance("fred");
106 Wilma wilma = (Wilma)childContainer.getComponentInstance("wilma");
107 assertSame(wilma, fred.wilma());
108 }
109
110 private void populateXMLContainer(ContainerRecorder recorder, Reader resource) {
111 ContainerPopulator populator = new XMLContainerBuilder(resource, Thread.currentThread().getContextClassLoader());
112 populator.populateContainer(recorder.getContainerProxy());
113 }
114 }
115 |
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