Spring Framework example source code file (ApplicationContextLifecycleTests.java)

This example Spring Framework source code file (ApplicationContextLifecycleTests.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Spring Framework tags/keywords

abstractapplicationcontext, abstractapplicationcontext, applicationcontextlifecycletests, classpathxmlapplicationcontext, classpathxmlapplicationcontext, lifecycletestbean, lifecycletestbean, string, string, testcase

The Spring Framework ApplicationContextLifecycleTests.java source code

/*
 * Copyright 2002-2007 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.support;

import junit.framework.TestCase;

/**
 * @author Mark Fisher
 */
public class ApplicationContextLifecycleTests extends TestCase {

	public void testBeansStart() {
		AbstractApplicationContext context = new ClassPathXmlApplicationContext("lifecycleTests.xml", getClass());
		context.start();
		LifecycleTestBean bean1 = (LifecycleTestBean) context.getBean("bean1");
		LifecycleTestBean bean2 = (LifecycleTestBean) context.getBean("bean2");
		LifecycleTestBean bean3 = (LifecycleTestBean) context.getBean("bean3");
		LifecycleTestBean bean4 = (LifecycleTestBean) context.getBean("bean4");
		String error = "bean was not started";
		assertTrue(error, bean1.isRunning());
		assertTrue(error, bean2.isRunning());
		assertTrue(error, bean3.isRunning());
		assertTrue(error, bean4.isRunning());
	}

	public void testBeansStop() {
		AbstractApplicationContext context = new ClassPathXmlApplicationContext("lifecycleTests.xml", getClass());
		context.start();
		LifecycleTestBean bean1 = (LifecycleTestBean) context.getBean("bean1");
		LifecycleTestBean bean2 = (LifecycleTestBean) context.getBean("bean2");
		LifecycleTestBean bean3 = (LifecycleTestBean) context.getBean("bean3");
		LifecycleTestBean bean4 = (LifecycleTestBean) context.getBean("bean4");
		String startError = "bean was not started";
		assertTrue(startError, bean1.isRunning());
		assertTrue(startError, bean2.isRunning());
		assertTrue(startError, bean3.isRunning());
		assertTrue(startError, bean4.isRunning());
		context.stop();
		String stopError = "bean was not stopped";
		assertFalse(stopError, bean1.isRunning());
		assertFalse(stopError, bean2.isRunning());
		assertFalse(stopError, bean3.isRunning());
		assertFalse(stopError, bean4.isRunning());
	}

	public void testStartOrder() {
		AbstractApplicationContext context = new ClassPathXmlApplicationContext("lifecycleTests.xml", getClass());
		context.start();
		LifecycleTestBean bean1 = (LifecycleTestBean) context.getBean("bean1");
		LifecycleTestBean bean2 = (LifecycleTestBean) context.getBean("bean2");
		LifecycleTestBean bean3 = (LifecycleTestBean) context.getBean("bean3");
		LifecycleTestBean bean4 = (LifecycleTestBean) context.getBean("bean4");
		String notStartedError = "bean was not started";
		assertTrue(notStartedError, bean1.getStartOrder() > 0);
		assertTrue(notStartedError, bean2.getStartOrder() > 0);
		assertTrue(notStartedError, bean3.getStartOrder() > 0);
		assertTrue(notStartedError, bean4.getStartOrder() > 0);
		String orderError = "dependent bean must start after the bean it depends on";
		assertTrue(orderError, bean2.getStartOrder() > bean1.getStartOrder());
		assertTrue(orderError, bean3.getStartOrder() > bean2.getStartOrder());
		assertTrue(orderError, bean4.getStartOrder() > bean2.getStartOrder());
	}

	public void testStopOrder() {
		AbstractApplicationContext context = new ClassPathXmlApplicationContext("lifecycleTests.xml", getClass());
		context.start();
		context.stop();
		LifecycleTestBean bean1 = (LifecycleTestBean) context.getBean("bean1");
		LifecycleTestBean bean2 = (LifecycleTestBean) context.getBean("bean2");
		LifecycleTestBean bean3 = (LifecycleTestBean) context.getBean("bean3");
		LifecycleTestBean bean4 = (LifecycleTestBean) context.getBean("bean4");
		String notStoppedError = "bean was not stopped";
		assertTrue(notStoppedError, bean1.getStopOrder() > 0);
		assertTrue(notStoppedError, bean2.getStopOrder() > 0);
		assertTrue(notStoppedError, bean3.getStopOrder() > 0);
		assertTrue(notStoppedError, bean4.getStopOrder() > 0);
		String orderError = "dependent bean must stop before the bean it depends on";
		assertTrue(orderError, bean2.getStopOrder() < bean1.getStopOrder());
		assertTrue(orderError, bean3.getStopOrder() < bean2.getStopOrder());
		assertTrue(orderError, bean4.getStopOrder() < bean2.getStopOrder());
	}

}