Spring Framework example source code file (TxNamespaceHandlerTests.java)

This example Spring Framework source code file (TxNamespaceHandlerTests.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

callcountingtransactionmanager, callcountingtransactionmanager, class, exception, exception, itestbean, itestbean, method, reflection, runtimeexception, should, should, transactionattribute, transactionattributesource, transactioninterceptor

The Spring Framework TxNamespaceHandlerTests.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.transaction;

import java.lang.reflect.Method;

import junit.framework.TestCase;

import org.springframework.aop.support.AopUtils;
import org.springframework.beans.ITestBean;
import org.springframework.context.ApplicationContext;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.transaction.interceptor.TransactionAttribute;
import org.springframework.transaction.interceptor.TransactionAttributeSource;
import org.springframework.transaction.interceptor.TransactionInterceptor;

/**
 * @author Rob Harrop
 * @author Adrian Colyer
 */
public class TxNamespaceHandlerTests extends TestCase {

	private ApplicationContext context;

	private Method getAgeMethod;

	private Method setAgeMethod;

	public void setUp() throws Exception {
		this.context = new ClassPathXmlApplicationContext("txNamespaceHandlerTests.xml", getClass());
		this.getAgeMethod = ITestBean.class.getMethod("getAge", new Class[0]);
		this.setAgeMethod = ITestBean.class.getMethod("setAge", new Class[] {int.class});
	}

	public void testIsProxy() throws Exception {
		ITestBean bean = getTestBean();
		assertTrue("testBean is not a proxy", AopUtils.isAopProxy(bean));
	}

	public void testInvokeTransactional() throws Exception {
		ITestBean testBean = getTestBean();
		CallCountingTransactionManager ptm = (CallCountingTransactionManager) context.getBean("transactionManager");

		// try with transactional
		assertEquals("Should not have any started transactions", 0, ptm.begun);
		testBean.getName();
		assertTrue(ptm.lastDefinition.isReadOnly());
		assertEquals("Should have 1 started transaction", 1, ptm.begun);
		assertEquals("Should have 1 committed transaction", 1, ptm.commits);

		// try with non-transaction
		testBean.haveBirthday();
		assertEquals("Should not have started another transaction", 1, ptm.begun);

		// try with exceptional
		try {
			testBean.exceptional(new IllegalArgumentException("foo"));
			fail("Should NEVER get here");
		}
		catch (Throwable throwable) {
			assertEquals("Should have another started transaction", 2, ptm.begun);
			assertEquals("Should have 1 rolled back transaction", 1, ptm.rollbacks);
		}
	}
	
	public void testRollbackRules() {
		TransactionInterceptor txInterceptor = (TransactionInterceptor) context.getBean("txRollbackAdvice");
		TransactionAttributeSource txAttrSource = txInterceptor.getTransactionAttributeSource();
		TransactionAttribute txAttr = txAttrSource.getTransactionAttribute(getAgeMethod,ITestBean.class);
		assertTrue("should be configured to rollback on Exception",txAttr.rollbackOn(new Exception()));
		
		txAttr = txAttrSource.getTransactionAttribute(setAgeMethod, ITestBean.class);
		assertFalse("should not rollback on RuntimeException",txAttr.rollbackOn(new RuntimeException()));
	}

	private ITestBean getTestBean() {
		return (ITestBean)context.getBean("testBean");
	}

}