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1
8 package org.picocontainer.defaults;
9
10 import org.picocontainer.MutablePicoContainer;
11 import org.picocontainer.Parameter;
12 import org.picocontainer.PicoVisitor;
13 import org.picocontainer.testmodel.Touchable;
14
15 import org.jmock.Mock;
16 import org.jmock.MockObjectTestCase;
17
18 import java.lang.reflect.Method  ;
19 import java.util.LinkedList ;
20 import java.util.List ;
21
22
23
26 public class MethodCallingVisitorTest extends MockObjectTestCase {
27
28 private Method add;
29 private Method touch;
30
31 protected void setUp() throws Exception {
32 super.setUp();
33 add = List .class.getMethod("add", new Class []{Object .class});
34 touch = Touchable.class.getMethod("touch", (Class [])null);
35 }
36
37 public void testVisitorWillTraverseAndCall() throws Exception {
38 MutablePicoContainer parent = new DefaultPicoContainer();
39 MutablePicoContainer child = new DefaultPicoContainer();
40 parent.addChildContainer(child);
41 parent.registerComponentImplementation(List .class, LinkedList .class, new Parameter[0]);
42 child.registerComponentImplementation(List .class, LinkedList .class, new Parameter[0]);
43 List parentList = (List )parent.getComponentInstanceOfType(List .class);
44 List childList = (List )child.getComponentInstanceOfType(List .class);
45
46 assertEquals(0, parentList.size());
47 assertEquals(0, childList.size());
48
49 PicoVisitor visitor = new MethodCallingVisitor(add, List .class, new Object []{Boolean.TRUE});
50 visitor.traverse(parent);
51
52 assertEquals(1, parentList.size());
53 assertEquals(1, childList.size());
54 }
55
56 public void testVisitsInInstantiationOrder() throws Exception {
57 Mock mockTouchable1 = mock(Touchable.class);
58 Mock mockTouchable2 = mock(Touchable.class);
59
60 MutablePicoContainer parent = new DefaultPicoContainer();
61 MutablePicoContainer child = new DefaultPicoContainer();
62 parent.addChildContainer(child);
63 parent.registerComponentInstance(mockTouchable1.proxy());
64 child.registerComponentInstance(mockTouchable2.proxy());
65
66 mockTouchable1.expects(once()).method("touch").id("1");
67 mockTouchable2.expects(once()).method("touch").after(mockTouchable1, "1");
68
69 PicoVisitor visitor = new MethodCallingVisitor(touch, Touchable.class, null);
70 visitor.traverse(parent);
71 }
72
73 public void testVisitsInReverseInstantiationOrder() throws Exception {
74 Mock mockTouchable1 = mock(Touchable.class);
75 Mock mockTouchable2 = mock(Touchable.class);
76
77 MutablePicoContainer parent = new DefaultPicoContainer();
78 MutablePicoContainer child = new DefaultPicoContainer();
79 parent.addChildContainer(child);
80 parent.registerComponentInstance(mockTouchable1.proxy());
81 child.registerComponentInstance(mockTouchable2.proxy());
82
83 mockTouchable2.expects(once()).method("touch").id("1");
84 mockTouchable1.expects(once()).method("touch").after(mockTouchable2, "1");
85
86 PicoVisitor visitor = new MethodCallingVisitor(touch, Touchable.class, null, false);
87 visitor.traverse(parent);
88 }
89 }
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