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1 package dynaop;
2
3 import java.lang.reflect.Method  ;
4
5 import dynaop.util.Classes;
6 import junit.framework.TestCase;
7
8
13 public class ProxyInvocationHandlerTest extends TestCase {
14
15 public void testGetInterceptors() throws Throwable {
16 ProxyTypeBuilder builder = new ProxyTypeBuilder(Object .class);
17
18 Method barMethod = Foo.class.getMethod("bar", null);
19 builder.addInterceptorFactory(barMethod,
20 new Aspects.SingletonInterceptorFactory(new A()));
21 builder.addInterceptorFactory(barMethod,
22 new Aspects.SingletonInterceptorFactory(new B()));
23
24 builder.addInterface(Foo.class);
25 builder.addInterceptorFactory(new Class [] { Foo.class },
26 new Aspects.MixinInterceptorFactory(FooImpl.class, null));
27
28 ProxyType type = builder.createProxyType();
29 Object target = new Object ();
30
31 DynamicProxyInvocationHandler handler =
32 new DynamicProxyInvocationHandler(type, target);
33
34 Interceptor[] i = handler.getInterceptors(barMethod);
35 assertEquals(3, i.length);
36 assertTrue(i[0] instanceof A);
37 assertTrue(i[1] instanceof B);
38 assertTrue(i[2] instanceof Aspects.MixinInterceptor);
39
40 i =
41 handler.getInterceptors(Classes.EQUALS_METHOD);
42 assertEquals(0, i.length);
43 }
44
45 public void testInvoke() throws Throwable {
46 ProxyTypeBuilder builder = new ProxyTypeBuilder(Object .class);
47
48 final Object target = new Object ();
49 final Method barMethod = Foo.class.getMethod("bar", null);
50 final boolean[] invoked = new boolean[1];
51
52 builder.addInterface(Foo.class);
53
54 builder.addInterceptorFactory(new Aspects.SingletonInterceptorFactory(
55 new Interceptor() {
56 public Object intercept(Invocation i) throws Throwable {
57 invoked[0] = true;
58 assertSame(target, i.getProxy().getProxyContext().unwrap());
59 assertNull(i.getArguments());
60 assertTrue(i.getProxy() instanceof Foo);
61 return null;
62 }
63 }
64 ));
65
66 ProxyType type = builder.createProxyType();
67 DynamicProxyCreator creator = new DynamicProxyCreator(type);
68 DynamicProxyInvocationHandler handler =
69 new DynamicProxyInvocationHandler(type, target);
70
71 Proxy proxy = creator.createProxy(handler);
72 handler.setProxy(proxy);
73
74 ((Foo) proxy).bar();
75
76 assertTrue(invoked[0]);
77 }
78
79 interface Foo {
80 public void bar();
81 }
82
83 public static class FooImpl implements Foo {
84 public void bar() {}
85 }
86
87 public static class A implements Interceptor {
88 public Object intercept(Invocation invocation) throws Throwable {
89 return null;
90 }
91 }
92
93 public static class B implements Interceptor {
94 public Object intercept(Invocation invocation) throws Throwable {
95 return null;
96 }
97 }
98 }
99 |
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