/*
* Copyright 2002-2015 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;
import java.util.Arrays;
import java.util.List;
import java.util.Map;
import org.junit.Before;
import org.junit.Test;
import org.springframework.beans.factory.support.DefaultListableBeanFactory;
import org.springframework.beans.factory.support.StaticListableBeanFactory;
import org.springframework.beans.factory.xml.XmlBeanDefinitionReader;
import org.springframework.cglib.proxy.NoOp;
import org.springframework.core.io.Resource;
import org.springframework.tests.sample.beans.ITestBean;
import org.springframework.tests.sample.beans.IndexedTestBean;
import org.springframework.tests.sample.beans.TestBean;
import org.springframework.tests.sample.beans.factory.DummyFactory;
import org.springframework.util.ObjectUtils;
import static org.junit.Assert.*;
import static org.springframework.tests.TestResourceUtils.*;
/**
* @author Rod Johnson
* @author Juergen Hoeller
* @author Chris Beams
* @since 04.07.2003
*/
public class BeanFactoryUtilsTests {
private static final Class<?> CLASS = BeanFactoryUtilsTests.class;
private static final Resource ROOT_CONTEXT = qualifiedResource(CLASS, "root.xml");
private static final Resource MIDDLE_CONTEXT = qualifiedResource(CLASS, "middle.xml");
private static final Resource LEAF_CONTEXT = qualifiedResource(CLASS, "leaf.xml");
private static final Resource DEPENDENT_BEANS_CONTEXT = qualifiedResource(CLASS, "dependentBeans.xml");
private DefaultListableBeanFactory listableBeanFactory;
private DefaultListableBeanFactory dependentBeansFactory;
@Before
public void setUp() {
// Interesting hierarchical factory to test counts.
// Slow to read so we cache it.
DefaultListableBeanFactory grandParent = new DefaultListableBeanFactory();
new XmlBeanDefinitionReader(grandParent).loadBeanDefinitions(ROOT_CONTEXT);
DefaultListableBeanFactory parent = new DefaultListableBeanFactory(grandParent);
new XmlBeanDefinitionReader(parent).loadBeanDefinitions(MIDDLE_CONTEXT);
DefaultListableBeanFactory child = new DefaultListableBeanFactory(parent);
new XmlBeanDefinitionReader(child).loadBeanDefinitions(LEAF_CONTEXT);
this.dependentBeansFactory = new DefaultListableBeanFactory();
new XmlBeanDefinitionReader(this.dependentBeansFactory).loadBeanDefinitions(DEPENDENT_BEANS_CONTEXT);
dependentBeansFactory.preInstantiateSingletons();
this.listableBeanFactory = child;
}
@Test
public void testHierarchicalCountBeansWithNonHierarchicalFactory() {
StaticListableBeanFactory lbf = new StaticListableBeanFactory();
lbf.addBean("t1", new TestBean());
lbf.addBean("t2", new TestBean());
assertTrue(BeanFactoryUtils.countBeansIncludingAncestors(lbf) == 2);
}
/**
* Check that override doesn't count as two separate beans.
*/
@Test
public void testHierarchicalCountBeansWithOverride() throws Exception {
// Leaf count
assertTrue(this.listableBeanFactory.getBeanDefinitionCount() == 1);
// Count minus duplicate
assertTrue("Should count 7 beans, not " + BeanFactoryUtils.countBeansIncludingAncestors(this.listableBeanFactory),
BeanFactoryUtils.countBeansIncludingAncestors(this.listableBeanFactory) == 7);
}
@Test
public void testHierarchicalNamesWithNoMatch() throws Exception {
List<String> names = Arrays.asList(
BeanFactoryUtils.beanNamesForTypeIncludingAncestors(this.listableBeanFactory, NoOp.class));
assertEquals(0, names.size());
}
@Test
public void testHierarchicalNamesWithMatchOnlyInRoot() throws Exception {
List<String> names = Arrays.asList(
BeanFactoryUtils.beanNamesForTypeIncludingAncestors(this.listableBeanFactory, IndexedTestBean.class));
assertEquals(1, names.size());
assertTrue(names.contains("indexedBean"));
// Distinguish from default ListableBeanFactory behavior
assertTrue(listableBeanFactory.getBeanNamesForType(IndexedTestBean.class).length == 0);
}
@Test
public void testGetBeanNamesForTypeWithOverride() throws Exception {
List<String> names = Arrays.asList(
BeanFactoryUtils.beanNamesForTypeIncludingAncestors(this.listableBeanFactory, ITestBean.class));
// includes 2 TestBeans from FactoryBeans (DummyFactory definitions)
assertEquals(4, names.size());
assertTrue(names.contains("test"));
assertTrue(names.contains("test3"));
assertTrue(names.contains("testFactory1"));
assertTrue(names.contains("testFactory2"));
}
@Test
public void testNoBeansOfType() {
StaticListableBeanFactory lbf = new StaticListableBeanFactory();
lbf.addBean("foo", new Object());
Map<String, ?> beans = BeanFactoryUtils.beansOfTypeIncludingAncestors(lbf, ITestBean.class, true, false);
assertTrue(beans.isEmpty());
}
@Test
public void testFindsBeansOfTypeWithStaticFactory() {
StaticListableBeanFactory lbf = new StaticListableBeanFactory();
TestBean t1 = new TestBean();
TestBean t2 = new TestBean();
DummyFactory t3 = new DummyFactory();
DummyFactory t4 = new DummyFactory();
t4.setSingleton(false);
lbf.addBean("t1", t1);
lbf.addBean("t2", t2);
lbf.addBean("t3", t3);
lbf.addBean("t4", t4);
Map<String, ?> beans = BeanFactoryUtils.beansOfTypeIncludingAncestors(lbf, ITestBean.class, true, true);
assertEquals(4, beans.size());
assertEquals(t1, beans.get("t1"));
assertEquals(t2, beans.get("t2"));
assertEquals(t3.getObject(), beans.get("t3"));
assertTrue(beans.get("t4") instanceof TestBean);
beans = BeanFactoryUtils.beansOfTypeIncludingAncestors(lbf, DummyFactory.class, true, true);
assertEquals(2, beans.size());
assertEquals(t3, beans.get("&t3"));
assertEquals(t4, beans.get("&t4"));
beans = BeanFactoryUtils.beansOfTypeIncludingAncestors(lbf, FactoryBean.class, true, true);
assertEquals(2, beans.size());
assertEquals(t3, beans.get("&t3"));
assertEquals(t4, beans.get("&t4"));
}
@Test
public void testFindsBeansOfTypeWithDefaultFactory() {
Object test3 = this.listableBeanFactory.getBean("test3");
Object test = this.listableBeanFactory.getBean("test");
TestBean t1 = new TestBean();
TestBean t2 = new TestBean();
DummyFactory t3 = new DummyFactory();
DummyFactory t4 = new DummyFactory();
t4.setSingleton(false);
this.listableBeanFactory.registerSingleton("t1", t1);
this.listableBeanFactory.registerSingleton("t2", t2);
this.listableBeanFactory.registerSingleton("t3", t3);
this.listableBeanFactory.registerSingleton("t4", t4);
Map<String, ?> beans =
BeanFactoryUtils.beansOfTypeIncludingAncestors(this.listableBeanFactory, ITestBean.class, true, false);
assertEquals(6, beans.size());
assertEquals(test3, beans.get("test3"));
assertEquals(test, beans.get("test"));
assertEquals(t1, beans.get("t1"));
assertEquals(t2, beans.get("t2"));
assertEquals(t3.getObject(), beans.get("t3"));
assertTrue(beans.get("t4") instanceof TestBean);
// t3 and t4 are found here as of Spring 2.0, since they are pre-registered
// singleton instances, while testFactory1 and testFactory are *not* found
// because they are FactoryBean definitions that haven't been initialized yet.
beans = BeanFactoryUtils.beansOfTypeIncludingAncestors(this.listableBeanFactory, ITestBean.class, false, true);
Object testFactory1 = this.listableBeanFactory.getBean("testFactory1");
assertEquals(5, beans.size());
assertEquals(test, beans.get("test"));
assertEquals(testFactory1, beans.get("testFactory1"));
assertEquals(t1, beans.get("t1"));
assertEquals(t2, beans.get("t2"));
assertEquals(t3.getObject(), beans.get("t3"));
beans = BeanFactoryUtils.beansOfTypeIncludingAncestors(this.listableBeanFactory, ITestBean.class, true, true);
assertEquals(8, beans.size());
assertEquals(test3, beans.get("test3"));
assertEquals(test, beans.get("test"));
assertEquals(testFactory1, beans.get("testFactory1"));
assertTrue(beans.get("testFactory2") instanceof TestBean);
assertEquals(t1, beans.get("t1"));
assertEquals(t2, beans.get("t2"));
assertEquals(t3.getObject(), beans.get("t3"));
assertTrue(beans.get("t4") instanceof TestBean);
beans = BeanFactoryUtils.beansOfTypeIncludingAncestors(this.listableBeanFactory, DummyFactory.class, true, true);
assertEquals(4, beans.size());
assertEquals(this.listableBeanFactory.getBean("&testFactory1"), beans.get("&testFactory1"));
assertEquals(this.listableBeanFactory.getBean("&testFactory2"), beans.get("&testFactory2"));
assertEquals(t3, beans.get("&t3"));
assertEquals(t4, beans.get("&t4"));
beans = BeanFactoryUtils.beansOfTypeIncludingAncestors(this.listableBeanFactory, FactoryBean.class, true, true);
assertEquals(4, beans.size());
assertEquals(this.listableBeanFactory.getBean("&testFactory1"), beans.get("&testFactory1"));
assertEquals(this.listableBeanFactory.getBean("&testFactory2"), beans.get("&testFactory2"));
assertEquals(t3, beans.get("&t3"));
assertEquals(t4, beans.get("&t4"));
}
@Test
public void testHierarchicalResolutionWithOverride() throws Exception {
Object test3 = this.listableBeanFactory.getBean("test3");
Object test = this.listableBeanFactory.getBean("test");
Map<String, ?> beans =
BeanFactoryUtils.beansOfTypeIncludingAncestors(this.listableBeanFactory, ITestBean.class, true, false);
assertEquals(2, beans.size());
assertEquals(test3, beans.get("test3"));
assertEquals(test, beans.get("test"));
beans = BeanFactoryUtils.beansOfTypeIncludingAncestors(this.listableBeanFactory, ITestBean.class, false, false);
assertEquals(1, beans.size());
assertEquals(test, beans.get("test"));
beans = BeanFactoryUtils.beansOfTypeIncludingAncestors(this.listableBeanFactory, ITestBean.class, false, true);
Object testFactory1 = this.listableBeanFactory.getBean("testFactory1");
assertEquals(2, beans.size());
assertEquals(test, beans.get("test"));
assertEquals(testFactory1, beans.get("testFactory1"));
beans = BeanFactoryUtils.beansOfTypeIncludingAncestors(this.listableBeanFactory, ITestBean.class, true, true);
assertEquals(4, beans.size());
assertEquals(test3, beans.get("test3"));
assertEquals(test, beans.get("test"));
assertEquals(testFactory1, beans.get("testFactory1"));
assertTrue(beans.get("testFactory2") instanceof TestBean);
beans = BeanFactoryUtils.beansOfTypeIncludingAncestors(this.listableBeanFactory, DummyFactory.class, true, true);
assertEquals(2, beans.size());
assertEquals(this.listableBeanFactory.getBean("&testFactory1"), beans.get("&testFactory1"));
assertEquals(this.listableBeanFactory.getBean("&testFactory2"), beans.get("&testFactory2"));
beans = BeanFactoryUtils.beansOfTypeIncludingAncestors(this.listableBeanFactory, FactoryBean.class, true, true);
assertEquals(2, beans.size());
assertEquals(this.listableBeanFactory.getBean("&testFactory1"), beans.get("&testFactory1"));
assertEquals(this.listableBeanFactory.getBean("&testFactory2"), beans.get("&testFactory2"));
}
@Test
public void testADependencies() {
String[] deps = this.dependentBeansFactory.getDependentBeans("a");
assertTrue(ObjectUtils.isEmpty(deps));
}
@Test
public void testBDependencies() {
String[] deps = this.dependentBeansFactory.getDependentBeans("b");
assertTrue(Arrays.equals(new String[] { "c" }, deps));
}
@Test
public void testCDependencies() {
String[] deps = this.dependentBeansFactory.getDependentBeans("c");
assertTrue(Arrays.equals(new String[] { "int", "long" }, deps));
}
@Test
public void testIntDependencies() {
String[] deps = this.dependentBeansFactory.getDependentBeans("int");
assertTrue(Arrays.equals(new String[] { "buffer" }, deps));
}
}