/*
* Copyright 2002-2017 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.context.annotation;
import org.junit.Test;
import org.springframework.beans.factory.FactoryBean;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import static org.hamcrest.CoreMatchers.*;
import static org.junit.Assert.*;
/**
* Tests to verify that FactoryBean semantics are the same in Configuration
* classes as in XML.
*
* @author Chris Beams
*/
public class Spr6602Tests {
@Test
public void testXmlBehavior() throws Exception {
doAssertions(new ClassPathXmlApplicationContext("Spr6602Tests-context.xml", Spr6602Tests.class));
}
@Test
public void testConfigurationClassBehavior() throws Exception {
doAssertions(new AnnotationConfigApplicationContext(FooConfig.class));
}
private void doAssertions(ApplicationContext ctx) throws Exception {
Foo foo = ctx.getBean(Foo.class);
Bar bar1 = ctx.getBean(Bar.class);
Bar bar2 = ctx.getBean(Bar.class);
assertThat(bar1, is(bar2));
assertThat(bar1, is(foo.bar));
BarFactory barFactory1 = ctx.getBean(BarFactory.class);
BarFactory barFactory2 = ctx.getBean(BarFactory.class);
assertThat(barFactory1, is(barFactory2));
Bar bar3 = barFactory1.getObject();
Bar bar4 = barFactory1.getObject();
assertThat(bar3, is(not(bar4)));
}
@Configuration
public static class FooConfig {
@Bean
public Foo foo() throws Exception {
return new Foo(barFactory().getObject());
}
@Bean
public BarFactory barFactory() {
return new BarFactory();
}
}
public static class Foo {
final Bar bar;
public Foo(Bar bar) {
this.bar = bar;
}
}
public static class Bar {
}
public static class BarFactory implements FactoryBean<Bar> {
@Override
public Bar getObject() throws Exception {
return new Bar();
}
@Override
public Class<? extends Bar> getObjectType() {
return Bar.class;
}
@Override
public boolean isSingleton() {
return true;
}
}
}