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1
8 package org.picocontainer.defaults;
9
10 import org.picocontainer.MutablePicoContainer;
11 import org.picocontainer.PicoContainer;
12 import org.picocontainer.PicoIntrospectionException;
13 import org.picocontainer.PicoVisitor;
14
15 import org.jmock.Mock;
16 import org.jmock.MockObjectTestCase;
17
18
19
23 public class PicoVisitorTestCase
24 extends MockObjectTestCase {
25
26 public void testVisitorThatMustBeInvokedUsingTraverse() {
27 MutablePicoContainer pico = new DefaultPicoContainer();
28 try {
29 pico.accept(new VerifyingVisitor());
30 fail("PicoVisitorTraversalException expected");
31 } catch (PicoVisitorTraversalException e) {
32 assertTrue(e.getMessage().indexOf(VerifyingVisitor.class.getName()) >= 0);
33 }
34 }
35
36 private static class UnusualNode {
37 boolean visited;
38
39 public void accept(PicoVisitor visit) {
40 visited = true;
41 }
42 }
43
44 public void testUnusualTraverseNode() {
45 UnusualNode node = new UnusualNode();
46 new VerifyingVisitor().traverse(node);
47 assertTrue(node.visited);
48 }
49
50 public void testIllegalTraverseNode() {
51 try {
52 new VerifyingVisitor().traverse("Gosh!");
53 fail("IllegalArgumentException expected");
54 } catch (IllegalArgumentException  e) {
55 assertTrue(e.getMessage().indexOf(String .class.getName()) >= 0);
56 }
57 }
58
59 public void testThrownRuntimeExceptionIsUnwrapped() {
60 Mock mockPico = mock(PicoContainer.class);
61 PicoVisitor visitor = new VerifyingVisitor();
62 Error exception = new Error ("junit");
63 mockPico.expects(once()).method("accept").with(same(visitor)).will(
64 throwException(new PicoIntrospectionException("message", exception)));
65 try {
66 visitor.traverse(mockPico.proxy());
67 fail("PicoIntrospectionException expected");
68 } catch (RuntimeException e) {
69 assertEquals("message", e.getMessage());
70 assertSame(exception, ((PicoIntrospectionException)e).getCause());
71 }
72 }
73
74 public void testThrownErrorIsUnwrapped() {
75 Mock mockPico = mock(PicoContainer.class);
76 PicoVisitor visitor = new VerifyingVisitor();
77 Error error = new InternalError ("junit");
78 mockPico.expects(once()).method("accept").with(same(visitor)).id("1");
79 mockPico.expects(once()).method("accept").with(same(visitor)).after("1").will(throwException(error));
80 visitor.traverse(mockPico.proxy());
81 try {
82 visitor.traverse(mockPico.proxy());
83 fail("UndeclaredThrowableException expected");
84 } catch(InternalError e) {
85 assertEquals("junit", e.getMessage());
86 }
87 }
88 }
89 |
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