xmlbeancollectiontests.java

spring的源代码

/*
 * Copyright 2002-2005 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.xml;

import java.util.ArrayList;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.LinkedHashSet;
import java.util.LinkedList;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.TreeMap;
import java.util.TreeSet;

import junit.framework.TestCase;
import org.apache.commons.collections.map.LinkedMap;
import org.apache.commons.collections.set.ListOrderedSet;

import org.springframework.beans.TestBean;
import org.springframework.beans.factory.HasMap;
import org.springframework.beans.factory.config.ListFactoryBean;
import org.springframework.beans.factory.config.MapFactoryBean;
import org.springframework.beans.factory.config.SetFactoryBean;
import org.springframework.core.JdkVersion;
import org.springframework.core.io.ClassPathResource;

/**
 * Tests for collections in XML bean definitions.
 *
 * @author Juergen Hoeller
 * @since 19.12.2004
 */
public class XmlBeanCollectionTests extends TestCase {

	public void testCollectionFactoryDefaults() throws Exception {
		ListFactoryBean listFactory = new ListFactoryBean();
		listFactory.setSourceList(new LinkedList());
		listFactory.afterPropertiesSet();
		assertTrue(listFactory.getObject() instanceof ArrayList);

		SetFactoryBean setFactory = new SetFactoryBean();
		setFactory.setSourceSet(new TreeSet());
		setFactory.afterPropertiesSet();
		if (JdkVersion.getMajorJavaVersion() >= JdkVersion.JAVA_14) {
			assertTrue(setFactory.getObject() instanceof LinkedHashSet);
		}
		else {
			assertTrue(setFactory.getObject() instanceof ListOrderedSet);
		}

		MapFactoryBean mapFactory = new MapFactoryBean();
		mapFactory.setSourceMap(new TreeMap());
		mapFactory.afterPropertiesSet();
		if (JdkVersion.getMajorJavaVersion() >= JdkVersion.JAVA_14) {
			assertTrue(mapFactory.getObject() instanceof LinkedHashMap);
		}
		else {
			assertTrue(mapFactory.getObject() instanceof LinkedMap);
		}
	}

	public void testRefSubelement() throws Exception {
		XmlBeanFactory xbf = new XmlBeanFactory(new ClassPathResource("collections.xml", getClass()));
		//assertTrue("5 beans in reftypes, not " + xbf.getBeanDefinitionCount(), xbf.getBeanDefinitionCount() == 5);
		TestBean jen = (TestBean) xbf.getBean("jenny");
		TestBean dave = (TestBean) xbf.getBean("david");
		assertTrue(jen.getSpouse() == dave);
	}

	public void testPropertyWithLiteralValueSubelement() throws Exception {
		XmlBeanFactory xbf = new XmlBeanFactory(new ClassPathResource("collections.xml", getClass()));
		TestBean verbose = (TestBean) xbf.getBean("verbose");
		assertTrue(verbose.getName().equals("verbose"));
	}

	public void testPropertyWithIdRefLocalAttrSubelement() throws Exception {
		XmlBeanFactory xbf = new XmlBeanFactory(new ClassPathResource("collections.xml", getClass()));
		TestBean verbose = (TestBean) xbf.getBean("verbose2");
		assertTrue(verbose.getName().equals("verbose"));
	}

	public void testPropertyWithIdRefBeanAttrSubelement() throws Exception {
		XmlBeanFactory xbf = new XmlBeanFactory(new ClassPathResource("collections.xml", getClass()));
		TestBean verbose = (TestBean) xbf.getBean("verbose3");
		assertTrue(verbose.getName().equals("verbose"));
	}

	public void testRefSubelementsBuildCollection() throws Exception {
		XmlBeanFactory xbf = new XmlBeanFactory(new ClassPathResource("collections.xml", getClass()));
		TestBean jen = (TestBean) xbf.getBean("jenny");
		TestBean dave = (TestBean) xbf.getBean("david");
		TestBean rod = (TestBean) xbf.getBean("rod");

		// Must be a list to support ordering
		// Our bean doesn't modify the collection:
		// of course it could be a different copy in a real object.
		Object[] friends = rod.getFriends().toArray();
		assertTrue(friends.length == 2);

		assertTrue("First friend must be jen, not " + friends[0], friends[0] == jen);
		assertTrue(friends[1] == dave);
		// Should be ordered
	}

	public void testRefSubelementsBuildCollectionWithPrototypes() throws Exception {
		XmlBeanFactory xbf = new XmlBeanFactory(new ClassPathResource("collections.xml", getClass()));

		TestBean jen = (TestBean) xbf.getBean("pJenny");
		TestBean dave = (TestBean) xbf.getBean("pDavid");
		TestBean rod = (TestBean) xbf.getBean("pRod");
		Object[] friends = rod.getFriends().toArray();
		assertTrue(friends.length == 2);
		assertTrue("First friend must be jen, not " + friends[0],
				friends[0].toString().equals(jen.toString()));
		assertTrue("Jen not same instance", friends[0] != jen);
		assertTrue(friends[1].toString().equals(dave.toString()));
		assertTrue("Dave not same instance", friends[1] != dave);

		TestBean rod2 = (TestBean) xbf.getBean("pRod");
		Object[] friends2 = rod2.getFriends().toArray();
		assertTrue(friends2.length == 2);
		assertTrue("First friend must be jen, not " + friends2[0],
				friends2[0].toString().equals(jen.toString()));
		assertTrue("Jen not same instance", friends2[0] != friends[0]);
		assertTrue(friends2[1].toString().equals(dave.toString()));
		assertTrue("Dave not same instance", friends2[1] != friends[1]);
	}

	public void testRefSubelementsBuildCollectionFromSingleElement() throws Exception {
		XmlBeanFactory xbf = new XmlBeanFactory(new ClassPathResource("collections.xml", getClass()));
		TestBean loner = (TestBean) xbf.getBean("loner");
		TestBean dave = (TestBean) xbf.getBean("david");
		assertTrue(loner.getFriends().size() == 1);
		assertTrue(loner.getFriends().contains(dave));
	}

	public void testBuildCollectionFromMixtureOfReferencesAndValues() throws Exception {
		// Ensure that a test runner like Eclipse, that keeps the same JVM up,
		// will get fresh static values.
		MixedCollectionBean.resetStaticState();
		XmlBeanFactory xbf = new XmlBeanFactory(new ClassPathResource("collections.xml", getClass()));
		MixedCollectionBean jumble = (MixedCollectionBean) xbf.getBean("jumble");
		assertEquals(1, MixedCollectionBean.nrOfInstances);
		assertTrue("Expected 3 elements, not " + jumble.getJumble().size(),
				jumble.getJumble().size() == 4);
		List l = (List) jumble.getJumble();
		assertTrue(l.get(0).equals(xbf.getBean("david")));
		assertTrue(l.get(1).equals("literal"));
		assertTrue(l.get(2).equals(xbf.getBean("jenny")));
		assertTrue(l.get(3).equals("rod"));
	}

	public void testEmptyMap() throws Exception {
		XmlBeanFactory xbf = new XmlBeanFactory(new ClassPathResource("collections.xml", getClass()));
		HasMap hasMap = (HasMap) xbf.getBean("emptyMap");
		assertTrue(hasMap.getMap().size() == 0);
	}

	public void testMapWithLiteralsOnly() throws Exception {
		XmlBeanFactory xbf = new XmlBeanFactory(new ClassPathResource("collections.xml", getClass()));
		HasMap hasMap = (HasMap) xbf.getBean("literalMap");
		assertTrue(hasMap.getMap().size() == 3);
		assertTrue(hasMap.getMap().get("foo").equals("bar"));
		assertTrue(hasMap.getMap().get("fi").equals("fum"));
		assertTrue(hasMap.getMap().get("fa") == null);
	}

	public void testMapWithLiteralsAndReferences() throws Exception {
		XmlBeanFactory xbf = new XmlBeanFactory(new ClassPathResource("collections.xml", getClass()));
		HasMap hasMap = (HasMap) xbf.getBean("mixedMap");
		assertTrue(hasMap.getMap().size() == 3);
		assertTrue(hasMap.getMap().get("foo").equals(new Integer(10)));
		TestBean jenny = (TestBean) xbf.getBean("jenny");
		assertTrue(hasMap.getMap().get("jenny") == jenny);
		assertTrue(hasMap.getMap().get(new Integer(5)).equals("david"));
	}

	public void testMapWithLiteralsAndPrototypeReferences() throws Exception {
		XmlBeanFactory xbf = new XmlBeanFactory(new ClassPathResource("collections.xml", getClass()));

		TestBean jenny = (TestBean) xbf.getBean("pJenny");
		HasMap hasMap = (HasMap) xbf.getBean("pMixedMap");
		assertTrue(hasMap.getMap().size() == 2);
		assertTrue(hasMap.getMap().get("foo").equals("bar"));
		assertTrue(hasMap.getMap().get("jenny").toString().equals(jenny.toString()));
		assertTrue("Not same instance", hasMap.getMap().get("jenny") != jenny);

		HasMap hasMap2 = (HasMap) xbf.getBean("pMixedMap");