/*
* Copyright 2002-2005 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.aop.support;
import java.lang.reflect.Method;
import junit.framework.TestCase;
import org.springframework.aop.MethodMatcher;
import org.springframework.beans.IOther;
import org.springframework.beans.ITestBean;
import org.springframework.beans.TestBean;
import org.springframework.util.SerializationTestUtils;
/**
* $Id: MethodMatchersTests.java,v 1.7 2005-03-25 09:28:18 jhoeller Exp $
*/
public class MethodMatchersTests extends TestCase {
private final Method EXCEPTION_GETMESSAGE;
private final Method ITESTBEAN_SETAGE;
private final Method ITESTBEAN_GETAGE;
private final Method IOTHER_ABSQUATULATE;
public MethodMatchersTests() throws Exception {
EXCEPTION_GETMESSAGE = Exception.class.getMethod("getMessage", (Class[]) null);
ITESTBEAN_GETAGE = ITestBean.class.getMethod("getAge", (Class[]) null);
ITESTBEAN_SETAGE = ITestBean.class.getMethod("setAge", new Class[] { int.class });
IOTHER_ABSQUATULATE = IOther.class.getMethod("absquatulate", (Class[]) null);
}
public void testDefaultMatchesAll() throws Exception {
MethodMatcher defaultMm = MethodMatcher.TRUE;
assertTrue(defaultMm.matches(EXCEPTION_GETMESSAGE, Exception.class));
assertTrue(defaultMm.matches(ITESTBEAN_SETAGE, TestBean.class));
}
public void testMethodMatcherTrueSerializable() throws Exception {
assertSame(SerializationTestUtils.serializeAndDeserialize(MethodMatcher.TRUE), MethodMatcher.TRUE);
}
public void testSingle() throws Exception {
MethodMatcher defaultMm = MethodMatcher.TRUE;
assertTrue(defaultMm.matches(EXCEPTION_GETMESSAGE, Exception.class));
assertTrue(defaultMm.matches(ITESTBEAN_SETAGE, TestBean.class));
defaultMm = MethodMatchers.intersection(defaultMm, new StartsWithMatcher("get"));
assertTrue(defaultMm.matches(EXCEPTION_GETMESSAGE, Exception.class));
assertFalse(defaultMm.matches(ITESTBEAN_SETAGE, TestBean.class));
}
public void testDynamicAndStaticMethodMatcherIntersection() throws Exception {
MethodMatcher mm1 = MethodMatcher.TRUE;
MethodMatcher mm2 = new TestDynamicMethodMatcherWhichMatches();
MethodMatcher intersection = MethodMatchers.intersection(mm1, mm2);
assertTrue("Intersection is a dynamic matcher", intersection.isRuntime());
assertTrue("2Matched setAge method", intersection.matches(ITESTBEAN_SETAGE, TestBean.class));
assertTrue("3Matched setAge method", intersection.matches(ITESTBEAN_SETAGE, TestBean.class, new Object[] { new Integer(5) }));
// Knock out dynamic part
intersection = MethodMatchers.intersection(intersection, new TestDynamicMethodMatcherWhichDoesNotMatch());
assertTrue("Intersection is a dynamic matcher", intersection.isRuntime());
assertTrue("2Matched setAge method", intersection.matches(ITESTBEAN_SETAGE, TestBean.class));
assertFalse("3 - not Matched setAge method", intersection.matches(ITESTBEAN_SETAGE, TestBean.class, new Object[] { new Integer(5) }));
}
public void testStaticMethodMatcherUnion() throws Exception {
MethodMatcher getterMatcher = new StartsWithMatcher("get");
MethodMatcher setterMatcher = new StartsWithMatcher("set");
MethodMatcher union = MethodMatchers.union(getterMatcher, setterMatcher);
assertFalse("Union is a static matcher", union.isRuntime());
assertTrue("Matched setAge method", union.matches(ITESTBEAN_SETAGE, TestBean.class));
assertTrue("Matched getAge method", union.matches(ITESTBEAN_GETAGE, TestBean.class));
assertFalse("Didn't matched absquatulate method", union.matches(IOTHER_ABSQUATULATE, TestBean.class));
}
public static class StartsWithMatcher extends StaticMethodMatcher {
private String prefix;
public StartsWithMatcher(String s) {
this.prefix = s;
}
public boolean matches(Method m, Class targetClass) {
return m.getName().startsWith(prefix);
}
}
private static class TestDynamicMethodMatcherWhichMatches extends DynamicMethodMatcher {
public boolean matches(Method m, Class targetClass, Object[] args) {
return true;
}
}
private static class TestDynamicMethodMatcherWhichDoesNotMatch extends DynamicMethodMatcher {
public boolean matches(Method m, Class targetClass, Object[] args) {
return false;
}
}
}