defaultlistablebeanfactorytestsuite.java

Java/J2EE application framework based on [Expert One-on-One J2EE Design and Development] by Rod John

/*
 * Copyright 2002-2004 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.text.NumberFormat;
import java.util.Locale;
import java.util.Map;
import java.util.Properties;

import junit.framework.TestCase;

import org.springframework.aop.interceptor.SideEffectBean;
import org.springframework.beans.BeansException;
import org.springframework.beans.ITestBean;
import org.springframework.beans.MutablePropertyValues;
import org.springframework.beans.NestedTestBean;
import org.springframework.beans.PropertyValue;
import org.springframework.beans.TestBean;
import org.springframework.beans.factory.config.AutowireCapableBeanFactory;
import org.springframework.beans.factory.config.RuntimeBeanReference;
import org.springframework.beans.factory.support.DefaultListableBeanFactory;
import org.springframework.beans.factory.support.PropertiesBeanDefinitionReader;
import org.springframework.beans.factory.support.RootBeanDefinition;
import org.springframework.beans.factory.xml.ConstructorDependenciesBean;
import org.springframework.beans.factory.xml.DependenciesBean;
import org.springframework.beans.propertyeditors.CustomNumberEditor;

/**
 * This largely tests properties population:
 * ListableBeanFactoryTestSuite tests basic functionality-
 * @author Rod Johnson
 */
public class DefaultListableBeanFactoryTestSuite extends TestCase {

	public void testUnreferencedSingletonWasInstantiated() {
		KnowsIfInstantiated.clearInstantiationRecord();
		DefaultListableBeanFactory lbf = new DefaultListableBeanFactory();
		Properties p = new Properties();
		p.setProperty("x1.class", KnowsIfInstantiated.class.getName());
		assertTrue("singleton not instantiated", !KnowsIfInstantiated.wasInstantiated());
		(new PropertiesBeanDefinitionReader(lbf)).registerBeanDefinitions(p);
		lbf.preInstantiateSingletons();
		assertTrue("singleton was instantiated", KnowsIfInstantiated.wasInstantiated());
	}

	public void testLazyInitialization() {
		KnowsIfInstantiated.clearInstantiationRecord();
		DefaultListableBeanFactory lbf = new DefaultListableBeanFactory();
		Properties p = new Properties();
		p.setProperty("x1.class", KnowsIfInstantiated.class.getName());
		p.setProperty("x1.(lazy-init)", "true");
		assertTrue("singleton not instantiated", !KnowsIfInstantiated.wasInstantiated());
		(new PropertiesBeanDefinitionReader(lbf)).registerBeanDefinitions(p);
		assertTrue("singleton not instantiated", !KnowsIfInstantiated.wasInstantiated());
		lbf.preInstantiateSingletons();
		assertTrue("singleton not instantiated", !KnowsIfInstantiated.wasInstantiated());
		lbf.getBean("x1");
		assertTrue("singleton was instantiated", KnowsIfInstantiated.wasInstantiated());
	}

	public void testFactoryBeanDidNotCreatePrototype() {
		DefaultListableBeanFactory lbf = new DefaultListableBeanFactory();
		Properties p = new Properties();
		p.setProperty("x1.class", DummyFactory.class.getName());
		// Reset static state
		DummyFactory.reset();
		p.setProperty("x1.singleton", "false");
		assertTrue("prototype not instantiated", !DummyFactory.wasPrototypeCreated());
		(new PropertiesBeanDefinitionReader(lbf)).registerBeanDefinitions(p);
		assertTrue("prototype not instantiated", !DummyFactory.wasPrototypeCreated());
		lbf.preInstantiateSingletons();
		assertTrue("prototype not instantiated", !DummyFactory.wasPrototypeCreated());
		lbf.getBean("x1");
		assertTrue("prototype was instantiated", DummyFactory.wasPrototypeCreated());
	}

	public void testEmpty() {
		ListableBeanFactory lbf = new DefaultListableBeanFactory();
		assertTrue("No beans defined --> array != null", lbf.getBeanDefinitionNames() != null);
		assertTrue("No beans defined after no arg constructor", lbf.getBeanDefinitionNames().length == 0);
		assertTrue("No beans defined after no arg constructor", lbf.getBeanDefinitionCount() == 0);
	}

	public void testEmptyPropertiesPopulation() throws BeansException {
		DefaultListableBeanFactory lbf = new DefaultListableBeanFactory();
		Properties p = new Properties();
		(new PropertiesBeanDefinitionReader(lbf)).registerBeanDefinitions(p);
		assertTrue("No beans defined after ignorable invalid", lbf.getBeanDefinitionCount() == 0);
	}

	public void testHarmlessIgnorableRubbish() throws BeansException {
		DefaultListableBeanFactory lbf = new DefaultListableBeanFactory();
		Properties p = new Properties();
		p.setProperty("foo", "bar");
		p.setProperty("qwert", "er");
		(new PropertiesBeanDefinitionReader(lbf)).registerBeanDefinitions(p, "test");
		assertTrue("No beans defined after harmless ignorable rubbish", lbf.getBeanDefinitionCount() == 0);
	}

	public void testPropertiesPopulationWithNullPrefix() throws Exception {
		DefaultListableBeanFactory lbf = new DefaultListableBeanFactory();
		Properties p = new Properties();
		p.setProperty("test.class", "org.springframework.beans.TestBean");
		p.setProperty("test.name", "Tony");
		p.setProperty("test.age", "48");
		//p.setProperty("
		int count = (new PropertiesBeanDefinitionReader(lbf)).registerBeanDefinitions(p);
		assertTrue("1 beans registered, not " + count, count == 1);
		testSingleTestBean(lbf);
	}

	public void testPropertiesPopulationWithPrefix() throws Exception {
		String PREFIX = "beans.";
		DefaultListableBeanFactory lbf = new DefaultListableBeanFactory();
		Properties p = new Properties();
		p.setProperty(PREFIX + "test.class", "org.springframework.beans.TestBean");
		p.setProperty(PREFIX + "test.name", "Tony");
		p.setProperty(PREFIX + "test.age", "48");
		//p.setProperty("
		int count = (new PropertiesBeanDefinitionReader(lbf)).registerBeanDefinitions(p, PREFIX);
		assertTrue("1 beans registered, not " + count, count == 1);
		testSingleTestBean(lbf);
	}

	public void testSimpleReference() throws Exception {
		String PREFIX = "beans.";
		DefaultListableBeanFactory lbf = new DefaultListableBeanFactory();
		Properties p = new Properties();

		p.setProperty(PREFIX + "rod.class", "org.springframework.beans.TestBean");
		p.setProperty(PREFIX + "rod.name", "Rod");

		p.setProperty(PREFIX + "kerry.class", "org.springframework.beans.TestBean");
		p.setProperty(PREFIX + "kerry.class", "org.springframework.beans.TestBean");
		p.setProperty(PREFIX + "kerry.name", "Kerry");
		p.setProperty(PREFIX + "kerry.age", "35");
		p.setProperty(PREFIX + "kerry.spouse(ref)", "rod");
		//p.setProperty("
		int count = (new PropertiesBeanDefinitionReader(lbf)).registerBeanDefinitions(p, PREFIX);
		assertTrue("2 beans registered, not " + count, count == 2);

		TestBean kerry = (TestBean) lbf.getBean("kerry", TestBean.class);
		assertTrue("Kerry name is Kerry", "Kerry".equals(kerry.getName()));
		ITestBean spouse = kerry.getSpouse();
		assertTrue("Kerry spouse is non null", spouse != null);
		assertTrue("Kerry spouse name is Rod", "Rod".equals(spouse.getName()));
	}

	public void testUnresolvedReference() throws Exception {
		String PREFIX = "beans.";
		DefaultListableBeanFactory lbf = new DefaultListableBeanFactory();
		Properties p = new Properties();

		//p.setProperty(PREFIX + "rod.class", "org.springframework.beans.TestBean");
		//p.setProperty(PREFIX + "rod.name", "Rod");

		try {
			p.setProperty(PREFIX + "kerry.class", "org.springframework.beans.TestBean");
			p.setProperty(PREFIX + "kerry.class", "org.springframework.beans.TestBean");
			p.setProperty(PREFIX + "kerry.name", "Kerry");
			p.setProperty(PREFIX + "kerry.age", "35");
			p.setProperty(PREFIX + "kerry.spouse(ref)", "rod");

			(new PropertiesBeanDefinitionReader(lbf)).registerBeanDefinitions(p, PREFIX);

			Object kerry = lbf.getBean("kerry");
			fail ("Unresolved reference should have been detected");
		}
		catch (BeansException ex) {
			// cool
		}
	}

	public void testSelfReference() {
		DefaultListableBeanFactory lbf = new DefaultListableBeanFactory();
		MutablePropertyValues pvs = new MutablePropertyValues();
		pvs.addPropertyValue("spouse", new RuntimeBeanReference("self"));
		lbf.registerBeanDefinition("self", new RootBeanDefinition(TestBean.class, pvs));
		TestBean self = (TestBean) lbf.getBean("self");
		assertEquals(self, self.getSpouse());
	}

	public void testPrototype() throws Exception {
		DefaultListableBeanFactory lbf = new DefaultListableBeanFactory();
		Properties p = new Properties();
		p.setProperty("kerry.class", "org.springframework.beans.TestBean");
		p.setProperty("kerry.age", "35");
		(new PropertiesBeanDefinitionReader(lbf)).registerBeanDefinitions(p);
		TestBean kerry1 = (TestBean) lbf.getBean("kerry");
		TestBean kerry2 = (TestBean) lbf.getBean("kerry");
		assertTrue("Non null", kerry1 != null);
		assertTrue("Singletons equal", kerry1 == kerry2);

		lbf = new DefaultListableBeanFactory();
		p = new Properties();
		p.setProperty("kerry.class", "org.springframework.beans.TestBean");
		p.setProperty("kerry.(singleton)", "false");
		p.setProperty("kerry.age", "35");
		(new PropertiesBeanDefinitionReader(lbf)).registerBeanDefinitions(p);
		kerry1 = (TestBean) lbf.getBean("kerry");
		kerry2 = (TestBean) lbf.getBean("kerry");
		assertTrue("Non null", kerry1 != null);
		assertTrue("Prototypes NOT equal", kerry1 != kerry2);

		lbf = new DefaultListableBeanFactory();
		p = new Properties();
		p.setProperty("kerry.class", "org.springframework.beans.TestBean");
		p.setProperty("kerry.(singleton)", "true");
		p.setProperty("kerry.age", "35");
		(new PropertiesBeanDefinitionReader(lbf)).registerBeanDefinitions(p);
		kerry1 = (TestBean) lbf.getBean("kerry");
		kerry2 = (TestBean) lbf.getBean("kerry");
		assertTrue("Non null", kerry1 != null);
		assertTrue("Specified singletons equal", kerry1 == kerry2);
	}

	public void testPrototypeExtendsPrototype() throws Exception {
		DefaultListableBeanFactory lbf = new DefaultListableBeanFactory();
		Properties p = new Properties();
		p.setProperty("wife.class", "org.springframework.beans.TestBean");
		p.setProperty("wife.name", "kerry");

		p.setProperty("kerry.parent", "wife");
		p.setProperty("kerry.age", "35");
		(new PropertiesBeanDefinitionReader(lbf)).registerBeanDefinitions(p);
		TestBean kerry1 = (TestBean) lbf.getBean("kerry");
		TestBean kerry2 = (TestBean) lbf.getBean("kerry");
		assertEquals("kerry", kerry1.getName());
		assertTrue("Non null", kerry1 != null);
		assertTrue("Singletons equal", kerry1 == kerry2);