/*
* Copyright 2002-2016 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.beans.factory.config;
import java.util.LinkedList;
import java.util.List;
import org.junit.Before;
import org.junit.Test;
import org.springframework.beans.factory.ObjectFactory;
import org.springframework.beans.factory.support.DefaultListableBeanFactory;
import org.springframework.beans.factory.xml.XmlBeanDefinitionReader;
import org.springframework.core.io.Resource;
import org.springframework.tests.sample.beans.TestBean;
import static org.junit.Assert.*;
import static org.springframework.tests.TestResourceUtils.*;
/**
* Simple test to illustrate and verify scope usage.
*
* @author Rod Johnson
* @author Juergen Hoeller
* @author Chris Beams
*/
public class SimpleScopeTests {
private static final Resource CONTEXT = qualifiedResource(SimpleScopeTests.class, "context.xml");
private DefaultListableBeanFactory beanFactory;
@Before
public void setUp() {
beanFactory = new DefaultListableBeanFactory();
Scope scope = new NoOpScope() {
private int index;
private List<TestBean> objects = new LinkedList<>(); {
objects.add(new TestBean());
objects.add(new TestBean());
}
@Override
public Object get(String name, ObjectFactory<?> objectFactory) {
if (index >= objects.size()) {
index = 0;
}
return objects.get(index++);
}
};
beanFactory.registerScope("myScope", scope);
String[] scopeNames = beanFactory.getRegisteredScopeNames();
assertEquals(1, scopeNames.length);
assertEquals("myScope", scopeNames[0]);
assertSame(scope, beanFactory.getRegisteredScope("myScope"));
XmlBeanDefinitionReader xbdr = new XmlBeanDefinitionReader(beanFactory);
xbdr.loadBeanDefinitions(CONTEXT);
}
@Test
public void testCanGetScopedObject() {
TestBean tb1 = (TestBean) beanFactory.getBean("usesScope");
TestBean tb2 = (TestBean) beanFactory.getBean("usesScope");
assertNotSame(tb1, tb2);
TestBean tb3 = (TestBean) beanFactory.getBean("usesScope");
assertSame(tb3, tb1);
}
}