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1 package com.tirsen.nanning.config;
2
3 import com.tirsen.nanning.AspectInstance;
4 import com.tirsen.nanning.MixinInstance;
5 import com.tirsen.nanning.MethodInterceptor;
6 import com.tirsen.nanning.Invocation;
7 import junit.framework.TestCase;
8
9 import java.lang.reflect.Method  ;
10 import java.util.Collections ;
11
12 public class InterceptorAspectTest extends TestCase {
13 private AspectInstance instance;
14 private MixinInstance mixin;
15 private NOPInterceptor interceptor;
16 private Method method;
17 private Method method2;
18
19 public static interface Interface {
20 void method();
21
22 void method2();
23 }
24
25 public static class NOPInterceptor implements MethodInterceptor {
26 public Object invoke(Invocation invocation) throws Throwable {
27 return null;
28 }
29 }
30
31 protected void setUp() throws Exception {
32 super.setUp();
33
34 instance = new AspectInstance();
35 mixin = new MixinInstance(Interface.class, null);
36 instance.addMixin(mixin);
37
38 interceptor = new NOPInterceptor();
39
40 method = Interface.class.getMethod("method", null);
41 method2 = Interface.class.getMethod("method2", null);
42 }
43
44 public void testSingleton() {
45 InterceptorAspect interceptorAspect = new InterceptorAspect(interceptor);
46 assertEquals(InterceptorAspect.SINGLETON, interceptorAspect.getStateManagement());
47 interceptorAspect.advise(instance);
48 assertEquals(Collections.singleton(interceptor), mixin.getAllInterceptors());
49 assertEquals(Collections.singletonList(interceptor), mixin.getInterceptorsForMethod(method));
50 assertEquals(Collections.singletonList(interceptor), mixin.getInterceptorsForMethod(method2));
51 }
52
53 public void testPerMethod() {
54 InterceptorAspect interceptorAspect = new InterceptorAspect(NOPInterceptor.class, InterceptorAspect.PER_METHOD);
55 assertEquals(InterceptorAspect.PER_METHOD, interceptorAspect.getStateManagement());
56 interceptorAspect.advise(instance);
57 assertEquals(2, mixin.getAllInterceptors().size());
58 NOPInterceptor interceptor = (NOPInterceptor) mixin.getInterceptorsForMethod(method).get(0);
59 NOPInterceptor interceptor2 = (NOPInterceptor) mixin.getInterceptorsForMethod(method2).get(0);
60 assertTrue(interceptor != interceptor2);
61 }
62
63 public void testPerInstance() {
64 AspectInstance instance2 = new AspectInstance();
65 instance2.addMixin(new MixinInstance(Interface.class, null));
66
67 InterceptorAspect interceptorAspect = new InterceptorAspect(NOPInterceptor.class, InterceptorAspect.PER_INSTANCE);
68 assertEquals(InterceptorAspect.PER_INSTANCE, interceptorAspect.getStateManagement());
69
70 interceptorAspect.advise(instance);
71 interceptorAspect.advise(instance2);
72
73 assertEquals(1, instance.getAllInterceptors().size());
74 assertEquals(1, instance2.getAllInterceptors().size());
75 NOPInterceptor interceptor = (NOPInterceptor) instance.getInterceptorsForMethod(method).get(0);
76 NOPInterceptor interceptor2 = (NOPInterceptor) instance2.getInterceptorsForMethod(method2).get(0);
77 assertTrue(interceptor != interceptor2);
78 }
79
80 public void testFalsePointcut() {
81 InterceptorAspect interceptorAspect = new InterceptorAspect(new AbstractPointcut() {
82 public boolean adviseMethod(Method method) {
83 return false;
84 }
85 }, interceptor);
86 assertEquals(0, interceptorAspect.getMethodsToAdvise(instance, mixin).length);
87 interceptorAspect.advise(instance);
88 assertEquals(0, mixin.getAllInterceptors().size());
89 }
90
91 public void testIntroduce() {
92 new InterceptorAspect(null).introduce(instance);
93 assertEquals(1, instance.getMixins().size());
94 }
95 }
96 |
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