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1 package dynaop;
2
3 import dynaop.util.Classes;
4 import junit.framework.TestCase;
5
6
11 public class InvocationTest extends TestCase {
12
13 public void testToString() {
14 InvocationImpl i = new InvocationImpl();
15
16 i.setMethod(Classes.EQUALS_METHOD);
17 i.setProxy(new MockProxy());
18
19 i.toString();
20
21 i.setArguments(new Object  [1]);
22 i.setTarget(new Object ());
23 i.setInterceptors(new Interceptor[0]);
24
25 i.toString();
26 }
27
28 public void testWithNoMixin() throws Throwable {
29 try {
30 InvocationImpl i = new InvocationImpl();
31
32 i.setArguments(new Object [] { null, null });
33 i.setMethod(A.class.getMethod("a",
34 new Class [] { String .class, Object .class }));
35
36 i.proceed();
37
38 fail();
39 }
40 catch (NullPointerException e) {
41 }
42 }
43
44 public void testWithInterceptors() throws Throwable {
45 TestInterceptor[] interceptors = new TestInterceptor[] {
46 new TestInterceptor(),
47 new TestInterceptor(),
48 new TestInterceptor()
49 };
50
51 A target = new A();
52 String foo = "foo";
53 Object bar = new Object ();
54
55 InvocationImpl i = new InvocationImpl();
56
57 i.setInterceptors(interceptors);
58 i.setTarget(target);
59 i.setArguments(new Object [] { foo, bar });
60 i.setMethod(A.class.getMethod("a",
61 new Class [] { String .class, Object .class }));
62 i.setProxy(new MockProxy());
63
64 assertEquals("result", i.proceed());
65
66 interceptors[0].assertCalled();
67 interceptors[1].assertCalled();
68 interceptors[2].assertCalled();
69
70 target.assertCalled();
71 target.test(foo, bar);
72 }
73
74 public void testMultipleInvocations() throws Throwable {
75 TestInterceptor[] interceptors = new TestInterceptor[] {
76 new TestInterceptor(),
77 new TestInterceptor(),
78 new TestInterceptor()
79 };
80
81 A target = new A();
82
83 InvocationImpl i = new InvocationImpl();
84
85 i.setInterceptors(interceptors);
86 i.setTarget(target);
87 i.setArguments(new Object [] { "foo", "bar" });
88 i.setMethod(A.class.getMethod("a",
89 new Class [] { String .class, Object .class }));
90 i.setProxy(new MockProxy());
91
92 i.proceed();
93 i.proceed();
94 i.proceed();
95
96 for (int index = 0; index < interceptors.length; index++)
97 assertEquals(3, interceptors[index].calls);
98 assertEquals(3, target.calls);
99 }
100
101 public static class A {
102
103 String foo;
104 Object bar;
105 boolean called;
106 int calls;
107
108 public String a(String foo, Object bar) {
109 this.called = true;
110 this.foo = foo;
111 this.bar = bar;
112 this.calls++;
113 return "result";
114 }
115
116 void test(String foo, Object bar) {
117 assertEquals(foo, this.foo);
118 assertEquals(bar, this.bar);
119 }
120
121 void assertCalled() {
122 assertTrue(this.called);
123 }
124 }
125
126
127 static class TestInterceptor implements Interceptor {
128
129 boolean called;
130 int calls = 0;
131
132 public Object intercept(Invocation i) throws Throwable {
133 this.called = true;
134 calls++;
135 return i.proceed();
136 }
137
138 void assertCalled() {
139 assertTrue(this.called);
140 }
141 }
142 }
143 |
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