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1
16
17 package org.springframework.aop.support;
18
19 import java.lang.reflect.Method  ;
20
21 import junit.framework.TestCase;
22
23 import org.springframework.aop.MethodMatcher;
24 import org.springframework.beans.IOther;
25 import org.springframework.beans.ITestBean;
26 import org.springframework.beans.TestBean;
27 import org.springframework.util.SerializationTestUtils;
28
29
32 public class MethodMatchersTests extends TestCase {
33
34 private final Method EXCEPTION_GETMESSAGE;
35
36 private final Method ITESTBEAN_SETAGE;
37
38 private final Method ITESTBEAN_GETAGE;
39
40 private final Method IOTHER_ABSQUATULATE;
41
42 public MethodMatchersTests() throws Exception {
43 EXCEPTION_GETMESSAGE = Exception .class.getMethod("getMessage", (Class []) null);
44 ITESTBEAN_GETAGE = ITestBean.class.getMethod("getAge", (Class []) null);
45 ITESTBEAN_SETAGE = ITestBean.class.getMethod("setAge", new Class [] { int.class });
46 IOTHER_ABSQUATULATE = IOther.class.getMethod("absquatulate", (Class []) null);
47 }
48
49 public void testDefaultMatchesAll() throws Exception {
50 MethodMatcher defaultMm = MethodMatcher.TRUE;
51 assertTrue(defaultMm.matches(EXCEPTION_GETMESSAGE, Exception .class));
52 assertTrue(defaultMm.matches(ITESTBEAN_SETAGE, TestBean.class));
53 }
54
55 public void testMethodMatcherTrueSerializable() throws Exception {
56 assertSame(SerializationTestUtils.serializeAndDeserialize(MethodMatcher.TRUE), MethodMatcher.TRUE);
57 }
58
59 public void testSingle() throws Exception {
60 MethodMatcher defaultMm = MethodMatcher.TRUE;
61 assertTrue(defaultMm.matches(EXCEPTION_GETMESSAGE, Exception .class));
62 assertTrue(defaultMm.matches(ITESTBEAN_SETAGE, TestBean.class));
63 defaultMm = MethodMatchers.intersection(defaultMm, new StartsWithMatcher("get"));
64
65 assertTrue(defaultMm.matches(EXCEPTION_GETMESSAGE, Exception .class));
66 assertFalse(defaultMm.matches(ITESTBEAN_SETAGE, TestBean.class));
67 }
68
69
70 public void testDynamicAndStaticMethodMatcherIntersection() throws Exception {
71 MethodMatcher mm1 = MethodMatcher.TRUE;
72 MethodMatcher mm2 = new TestDynamicMethodMatcherWhichMatches();
73 MethodMatcher intersection = MethodMatchers.intersection(mm1, mm2);
74 assertTrue("Intersection is a dynamic matcher", intersection.isRuntime());
75 assertTrue("2Matched setAge method", intersection.matches(ITESTBEAN_SETAGE, TestBean.class));
76 assertTrue("3Matched setAge method", intersection.matches(ITESTBEAN_SETAGE, TestBean.class, new Object [] { new Integer (5) }));
77 intersection = MethodMatchers.intersection(intersection, new TestDynamicMethodMatcherWhichDoesNotMatch());
79 assertTrue("Intersection is a dynamic matcher", intersection.isRuntime());
80 assertTrue("2Matched setAge method", intersection.matches(ITESTBEAN_SETAGE, TestBean.class));
81 assertFalse("3 - not Matched setAge method", intersection.matches(ITESTBEAN_SETAGE, TestBean.class, new Object [] { new Integer (5) }));
82 }
83
84 public void testStaticMethodMatcherUnion() throws Exception {
85 MethodMatcher getterMatcher = new StartsWithMatcher("get");
86 MethodMatcher setterMatcher = new StartsWithMatcher("set");
87 MethodMatcher union = MethodMatchers.union(getterMatcher, setterMatcher);
88
89 assertFalse("Union is a static matcher", union.isRuntime());
90 assertTrue("Matched setAge method", union.matches(ITESTBEAN_SETAGE, TestBean.class));
91 assertTrue("Matched getAge method", union.matches(ITESTBEAN_GETAGE, TestBean.class));
92 assertFalse("Didn't matched absquatulate method", union.matches(IOTHER_ABSQUATULATE, TestBean.class));
93
94 }
95
96
97 public static class StartsWithMatcher extends StaticMethodMatcher {
98 private String prefix;
99 public StartsWithMatcher(String s) {
100 this.prefix = s;
101 }
102 public boolean matches(Method m, Class targetClass) {
103 return m.getName().startsWith(prefix);
104 }
105 }
106
107
108 private static class TestDynamicMethodMatcherWhichMatches extends DynamicMethodMatcher {
109 public boolean matches(Method m, Class targetClass, Object [] args) {
110 return true;
111 }
112 }
113
114 private static class TestDynamicMethodMatcherWhichDoesNotMatch extends DynamicMethodMatcher {
115 public boolean matches(Method m, Class targetClass, Object [] args) {
116 return false;
117 }
118 }
119
120 }
121 |
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