ContextSingletonBeanFactoryLocatorTests.java

/*
 * Copyright 2002-2009 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.context.access;

import static org.junit.Assert.*;
import org.junit.Test;

import org.springframework.beans.factory.BeanFactory;
import org.springframework.beans.factory.access.BeanFactoryLocator;
import org.springframework.beans.factory.access.BeanFactoryReference;
import org.springframework.beans.factory.access.SingletonBeanFactoryLocatorTests;
import org.springframework.beans.factory.xml.XmlBeanFactory;
import org.springframework.context.ApplicationContext;
import org.springframework.core.io.ClassPathResource;
import org.springframework.util.ClassUtils;

/**
 * @author Colin Sampaleanu
 * @author Juergen Hoeller
 * @author Chris Beams
 */
public class ContextSingletonBeanFactoryLocatorTests extends SingletonBeanFactoryLocatorTests {
	
	private static final Class<?> CLASS = ContextSingletonBeanFactoryLocatorTests.class;
	private static final String CONTEXT = CLASS.getSimpleName() + "-context.xml";
	

	@Test
	public void testBaseBeanFactoryDefs() {
		// Just test the base BeanFactory/AppContext defs we are going to work
		// with in other tests.
		new XmlBeanFactory(new ClassPathResource("/org/springframework/beans/factory/access/beans1.xml"));
		new XmlBeanFactory(new ClassPathResource("/org/springframework/beans/factory/access/beans2.xml"));
	}

	@Test
	public void testBasicFunctionality() {
		ContextSingletonBeanFactoryLocator facLoc = new ContextSingletonBeanFactoryLocator(
				"classpath*:" + ClassUtils.addResourcePathToPackagePath(CLASS, CONTEXT));
		
		basicFunctionalityTest(facLoc);

		BeanFactoryReference bfr = facLoc.useBeanFactory("a.qualified.name.of.some.sort");
		BeanFactory fac = bfr.getFactory();
		assertTrue(fac instanceof ApplicationContext);
		assertEquals("a.qualified.name.of.some.sort", ((ApplicationContext) fac).getId());
		assertTrue(((ApplicationContext) fac).getDisplayName().contains("a.qualified.name.of.some.sort"));
		BeanFactoryReference bfr2 = facLoc.useBeanFactory("another.qualified.name");
		BeanFactory fac2 = bfr2.getFactory();
		assertEquals("another.qualified.name", ((ApplicationContext) fac2).getId());
		assertTrue(((ApplicationContext) fac2).getDisplayName().contains("another.qualified.name"));
		assertTrue(fac2 instanceof ApplicationContext);
	}

	/**
	 * This test can run multiple times, but due to static keyed lookup of the locators,
	 * 2nd and subsequent calls will actually get back same locator instance. This is not
	 * really an issue, since the contained bean factories will still be loaded and released.
	 */
	@Test
	public void testGetInstance() {
		// Try with and without 'classpath*:' prefix, and with 'classpath:' prefix.
		BeanFactoryLocator facLoc = ContextSingletonBeanFactoryLocator.getInstance(
				ClassUtils.addResourcePathToPackagePath(CLASS, CONTEXT));
		getInstanceTest1(facLoc);
		
		facLoc = ContextSingletonBeanFactoryLocator.getInstance(
				"classpath*:" + ClassUtils.addResourcePathToPackagePath(CLASS, CONTEXT));
		getInstanceTest2(facLoc);

		// This will actually get another locator instance, as the key is the resource name.
		facLoc = ContextSingletonBeanFactoryLocator.getInstance(
				"classpath:" + ClassUtils.addResourcePathToPackagePath(CLASS, CONTEXT));
		getInstanceTest3(facLoc);
	}

}