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1 package com.tirsen.nanning.locking;
2
3 import com.tirsen.nanning.AspectInstance;
4 import com.tirsen.nanning.MixinInstance;
5 import com.tirsen.nanning.config.AllPointcut;
6 import com.tirsen.nanning.config.Pointcut;
7 import com.tirsen.nanning.config.AspectSystem;
8 import junit.framework.TestCase;
9
10 public class PessimisticLockingAspectTest extends TestCase {
11 private PessimisticLockingAspect lockAspect = new PessimisticLockingAspect() {
12 protected Pointcut lockingPointcut() {
13 return new AllPointcut();
14 }
15 };
16
17 public static interface Interface {
18 void method();
19 }
20
21 private Interface createLockAspectedObject(Interface target) {
22 AspectInstance instance = createLockAspectedInstance(target);
23 return (Interface) instance.getProxy();
24 }
25
26 private AspectInstance createLockAspectedInstance(Interface target) {
27 AspectInstance instance = new AspectInstance();
28 instance.addMixin(new MixinInstance(Interface.class, target));
29 lockAspect.introduce(instance);
30 lockAspect.advise(instance);
31 return instance;
32 }
33
34 private boolean wasCalled;
35
36 public void testAdvise() throws NoSuchMethodException  {
37 AspectInstance instance = createLockAspectedInstance(null);
38 assertEquals(1, instance.getAllInterceptors().size());
39 assertEquals(0, instance.getMixinForInterface(Lockable.class).getAllInterceptors().size());
40 }
41
42 public void testIntroduce() {
43 PessimisticLockingAspect lockAspect = new PessimisticLockingAspect() {
44 protected Pointcut lockingPointcut() {
45 return new AllPointcut();
46 }
47 };
48 AspectInstance instance = createLockAspectedInstance(null);
49 assertEquals(2, instance.getMixins().size());
50 MixinInstance mixin = instance.getMixinForInterface(Lockable.class);
51 assertNotNull(mixin);
52 assertNotNull(mixin.getTarget());
53
54 Lockable lockable = (Lockable) instance.getProxy();
55 lockable.lock();
56 assertTrue(lockable.isLocked());
57 }
58
59 public void testCallWithoutLock() {
60 Interface o = createLockAspectedObject(
61 new Interface() {
62 public void method() {
63 wasCalled = true;
64 }
65 });
66
67 assertFalse(wasCalled);
68 o.method();
69 assertTrue(wasCalled);
70 }
71
72 public void testCallWithLock() {
73 Interface o = createLockAspectedObject(
74 new Interface() {
75 public void method() {
76 wasCalled = true;
77 }
78 });
79
80 assertFalse(wasCalled);
81 ((Lockable) o).lock();
82 try {
83 o.method();
84 fail();
85 } catch (LockedException shouldHappen) {
86 }
87 assertFalse(wasCalled);
88 }
89 }
90 |
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