/*
* Copyright 2002-2008 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.beans.PropertyEditorSupport;
import java.util.StringTokenizer;
import junit.framework.TestCase;
import org.springframework.beans.BeansException;
import org.springframework.beans.PropertyBatchUpdateException;
import org.springframework.beans.TestBean;
import org.springframework.beans.factory.config.ConfigurableBeanFactory;
/**
* Subclasses must implement setUp() to initialize bean factory
* and any other variables they need.
*
* @author Rod Johnson
* @author Juergen Hoeller
*/
public abstract class AbstractBeanFactoryTests extends TestCase {
protected abstract BeanFactory getBeanFactory();
/**
* Roderick beans inherits from rod, overriding name only.
*/
public void testInheritance() {
assertTrue(getBeanFactory().containsBean("rod"));
assertTrue(getBeanFactory().containsBean("roderick"));
TestBean rod = (TestBean) getBeanFactory().getBean("rod");
TestBean roderick = (TestBean) getBeanFactory().getBean("roderick");
assertTrue("not == ", rod != roderick);
assertTrue("rod.name is Rod", rod.getName().equals("Rod"));
assertTrue("rod.age is 31", rod.getAge() == 31);
assertTrue("roderick.name is Roderick", roderick.getName().equals("Roderick"));
assertTrue("roderick.age was inherited", roderick.getAge() == rod.getAge());
}
public void testGetBeanWithNullArg() {
try {
getBeanFactory().getBean(null);
fail("Can't get null bean");
}
catch (IllegalArgumentException ex) {
// OK
}
}
/**
* Test that InitializingBean objects receive the afterPropertiesSet() callback
*/
public void testInitializingBeanCallback() {
MustBeInitialized mbi = (MustBeInitialized) getBeanFactory().getBean("mustBeInitialized");
// The dummy business method will throw an exception if the
// afterPropertiesSet() callback wasn't invoked
mbi.businessMethod();
}
/**
* Test that InitializingBean/BeanFactoryAware/DisposableBean objects receive the
* afterPropertiesSet() callback before BeanFactoryAware callbacks
*/
public void testLifecycleCallbacks() {
LifecycleBean lb = (LifecycleBean) getBeanFactory().getBean("lifecycle");
assertEquals("lifecycle", lb.getBeanName());
// The dummy business method will throw an exception if the
// necessary callbacks weren't invoked in the right order.
lb.businessMethod();
assertTrue("Not destroyed", !lb.isDestroyed());
}
public void testFindsValidInstance() {
try {
Object o = getBeanFactory().getBean("rod");
assertTrue("Rod bean is a TestBean", o instanceof TestBean);
TestBean rod = (TestBean) o;
assertTrue("rod.name is Rod", rod.getName().equals("Rod"));
assertTrue("rod.age is 31", rod.getAge() == 31);
}
catch (Exception ex) {
ex.printStackTrace();
fail("Shouldn't throw exception on getting valid instance");
}
}
public void testGetInstanceByMatchingClass() {
try {
Object o = getBeanFactory().getBean("rod", TestBean.class);
assertTrue("Rod bean is a TestBean", o instanceof TestBean);
}
catch (Exception ex) {
ex.printStackTrace();
fail("Shouldn't throw exception on getting valid instance with matching class");
}
}
public void testGetInstanceByNonmatchingClass() {
try {
Object o = getBeanFactory().getBean("rod", BeanFactory.class);
fail("Rod bean is not of type BeanFactory; getBeanInstance(rod, BeanFactory.class) should throw BeanNotOfRequiredTypeException");
}
catch (BeanNotOfRequiredTypeException ex) {
// So far, so good
assertTrue("Exception has correct bean name", ex.getBeanName().equals("rod"));
assertTrue("Exception requiredType must be BeanFactory.class", ex.getRequiredType().equals(BeanFactory.class));
assertTrue("Exception actualType as TestBean.class", TestBean.class.isAssignableFrom(ex.getActualType()));
assertTrue("Actual type is correct", ex.getActualType() == getBeanFactory().getBean("rod").getClass());
}
catch (Exception ex) {
ex.printStackTrace();
fail("Shouldn't throw exception on getting valid instance");
}
}
public void testGetSharedInstanceByMatchingClass() {
try {
Object o = getBeanFactory().getBean("rod", TestBean.class);
assertTrue("Rod bean is a TestBean", o instanceof TestBean);
}
catch (Exception ex) {
ex.printStackTrace();
fail("Shouldn't throw exception on getting valid instance with matching class");
}
}
public void testGetSharedInstanceByMatchingClassNoCatch() {
Object o = getBeanFactory().getBean("rod", TestBean.class);
assertTrue("Rod bean is a TestBean", o instanceof TestBean);
}
public void testGetSharedInstanceByNonmatchingClass() {
try {
Object o = getBeanFactory().getBean("rod", BeanFactory.class);
fail("Rod bean is not of type BeanFactory; getBeanInstance(rod, BeanFactory.class) should throw BeanNotOfRequiredTypeException");
}
catch (BeanNotOfRequiredTypeException ex) {
// So far, so good
assertTrue("Exception has correct bean name", ex.getBeanName().equals("rod"));
assertTrue("Exception requiredType must be BeanFactory.class", ex.getRequiredType().equals(BeanFactory.class));
assertTrue("Exception actualType as TestBean.class", TestBean.class.isAssignableFrom(ex.getActualType()));
}
catch (Exception ex) {
ex.printStackTrace();
fail("Shouldn't throw exception on getting valid instance");
}
}
public void testSharedInstancesAreEqual() {
try {
Object o = getBeanFactory().getBean("rod");
assertTrue("Rod bean1 is a TestBean", o instanceof TestBean);
Object o1 = getBeanFactory().getBean("rod");
assertTrue("Rod bean2 is a TestBean", o1 instanceof TestBean);
assertTrue("Object equals applies", o == o1);
}
catch (Exception ex) {
ex.printStackTrace();
fail("Shouldn't throw exception on getting valid instance");
}
}
public void testPrototypeInstancesAreIndependent() {
TestBean tb1 = (TestBean) getBeanFactory().getBean("kathy");
TestBean tb2 = (TestBean) getBeanFactory().getBean("kathy");
assertTrue("ref equal DOES NOT apply", tb1 != tb2);
assertTrue("object equal true", tb1.equals(tb2));
tb1.setAge(1);
tb2.setAge(2);
assertTrue("1 age independent = 1", tb1.getAge() == 1);
assertTrue("2 age independent = 2", tb2.getAge() == 2);
assertTrue("object equal now false", !tb1.equals(tb2));
}
public void testNotThere() {
assertFalse(getBeanFactory().containsBean("Mr Squiggle"));
try {
Object o = getBeanFactory().getBean("Mr Squiggle");
fail("Can't find missing bean");
}
catch (BeansException ex) {
//ex.printStackTrace();
//fail("Shouldn't throw exception on getting valid instance");
}
}
public void testValidEmpty() {
try {
Object o = getBeanFactory().getBean("validEmpty");
assertTrue("validEmpty bean is a TestBean", o instanceof TestBean);
TestBean ve = (TestBean) o;
assertTrue("Valid empty has defaults", ve.getName() == null && ve.getAge() == 0 && ve.getSpouse() == null);
}
catch (BeansException ex) {
ex.printStackTrace();
fail("Shouldn't throw exception on valid empty");
}
}
public void xtestTypeMismatch() {
try {
Object o = getBeanFactory().getBean("typeMismatch");
fail("Shouldn't succeed with type mismatch");
}
catch (BeanCreationException wex) {
assertEquals("typeMismatch", wex.getBeanName());
assertTrue(wex.getCause() instanceof PropertyBatchUpdateException);
PropertyBatchUpdateException ex = (PropertyBatchUpdateException) wex.getCause();
// Further tests
assertTrue("Has one error ", ex.getExceptionCount() == 1);
assertTrue("Error is for field age", ex.getPropertyAccessException("age") != null);
assertTrue("We have rejected age in exception", ex.getPropertyAccessException("age").getPropertyChangeEvent().getNewValue().equals("34x"));
}
}
public void testGrandparentDefinitionFoundInBeanFactory() throws Exception {
TestBean dad = (TestBean) getBeanFactory().getBean("father");
assertTrue("Dad has correct name", dad.getName().equals("Albert"));
}
public void testFactorySingleton() throws Exception {
assertTrue(getBeanFactory().isSingleton("&singletonFactory"));
assertTrue(getBeanFactory().isSingleton("singletonFactory"));
TestBean tb = (TestBean) getBeanFactory().getBean("singletonFactory");
assertTrue("Singleton from factory has correct name, not " + tb.getName(), tb.getName().equals(DummyFactory.SINGLETON_NAME));
DummyFactory factory = (DummyFactory) getBeanFactory().getBean("&singletonFactory");
TestBean tb2 = (TestBean) getBeanFactory().getBean("singletonFactory");
assertTrue("Singleton references ==", tb == tb2);
assertTrue("FactoryBean is BeanFactoryAware", factory.getBeanFactory() != null);
}
public void testFactoryPrototype() throws Exception {
assertTrue(getBeanFactory().isSingleton("&prototypeFactory"));
assertFalse(getBeanFactory().isSingleton("prototypeFactory"));
TestBean tb = (TestBean) getBeanFactory().getBean("prototypeFactory");
assertTrue(!tb.getName().equals(DummyFactory.SINGLETON_NAME));
TestBean tb2 = (TestBean) getBeanFactory().getBean("prototypeFactory");
assertTrue("Prototype references !=", tb != tb2);
}
/**
* Check that we can get the factory bean itself.
* This is only possible if we're dealing with a factory
* @throws Exception
*/
public void testGetFactoryItself() throws Exception {
DummyFactory factory = (DummyFactory) getBeanFactory().getBean("&singletonFactory");
assertTrue(factory != null);
}
/**
* Check that afterPropertiesSet gets called on factory
* @throws Exception
*/
public void testFactoryIsInitialized() throws Exception {
TestBean tb = (TestBean) getBeanFactory().getBean("singletonFactory");
DummyFactory factory = (DummyFactory) getBeanFactory().getBean("&singletonFactory");
assertTrue("Factory was initialized because it implemented InitializingBean", factory.wasInitialized());
}
/**
* It should be illegal to dereference a normal bean
* as a factory
*/
public void testRejectsFactoryGetOnNormalBean() {
try {
getBeanFactory().getBean("&rod");
fail("Shouldn't permit factory get on normal bean");
}
catch (BeanIsNotAFactoryException ex) {
// Ok
}
}
// TODO: refactor in AbstractBeanFactory (tests for AbstractBeanFactory)
// and rename this class
public void testAliasing() {
BeanFactory bf = getBeanFactory();
if (!(bf instanceof ConfigurableBeanFactory)) {
return;
}
ConfigurableBeanFactory cbf = (ConfigurableBeanFactory) bf;
String alias = "rods alias";
try {
cbf.getBean(alias);
fail("Shouldn't permit factory get on normal bean");
}
catch (NoSuchBeanDefinitionException ex) {
// Ok
assertTrue(alias.equals(ex.getBeanName()));
}
// Create alias
cbf.registerAlias("rod", alias);
Object rod = getBeanFactory().getBean("rod");
Object aliasRod = getBeanFactory().getBean(alias);
assertTrue(rod == aliasRod);
}
public static class TestBeanEditor extends PropertyEditorSupport {
public void setAsText(String text) {
TestBean tb = new TestBean();
StringTokenizer st = new StringTokenizer(text, "_");
tb.setName(st.nextToken());
tb.setAge(Integer.parseInt(st.nextToken()));
setValue(tb);
}
}
}