/*
* Copyright 2014 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.batch.support;
import org.junit.Test;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.transaction.annotation.Transactional;
import java.lang.reflect.Method;
import java.util.Iterator;
import java.util.Set;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
/**
* @author Michael Minella
* @since 2.2.6
*/
public class ReflectionUtilsTests {
@Test
public void testFindAnnotatedMethod() {
Set<Method> methods = ReflectionUtils.findMethod(AnnotatedClass.class, Transactional.class);
assertEquals(1, methods.size());
assertEquals("toString", methods.iterator().next().getName());
}
@Test
public void testFindNoAnnotatedMethod() {
Set<Method> methods = ReflectionUtils.findMethod(AnnotatedClass.class, Autowired.class);
assertEquals(0, methods.size());
}
@Test
public void testFindAnnotatedMethodHierarchy() {
Set<Method> methods = ReflectionUtils.findMethod(AnnotatedSubClass.class, Transactional.class);
assertEquals(2, methods.size());
boolean toStringFound = false;
boolean methodOneFound = false;
Iterator<Method> iterator = methods.iterator();
String name = iterator.next().getName();
if(name.equals("toString")) {
toStringFound = true;
} else if(name.equals("methodOne")) {
methodOneFound = true;
}
name = iterator.next().getName();
if(name.equals("toString")) {
toStringFound = true;
} else if(name.equals("methodOne")) {
methodOneFound = true;
}
assertTrue(toStringFound && methodOneFound);
}
public static class AnnotatedClass {
public void methodOne() {
System.err.println("This is method 1");
}
@Transactional
public String toString() {
return "AnnoatedClass";
}
}
public static class AnnotatedSubClass extends AnnotatedClass {
@Transactional
public void methodOne() {
System.err.println("This is method 1 in the sub class");
}
}
}