Spring Framework example source code file (RuleBasedTransactionAttributeTests.java)

This example Spring Framework source code file (RuleBasedTransactionAttributeTests.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

exception, exception, linkedlist, list, list, mailsendexception, norollbackruleattribute, rmi, rollbackruleattribute, rulebasedtransactionattribute, rulebasedtransactionattribute, runtimeexception, servlet, servletexception, servletexception, throwable, util

The Spring Framework RuleBasedTransactionAttributeTests.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.interceptor;

import java.rmi.RemoteException;
import java.util.Collections;
import java.util.LinkedList;
import java.util.List;

import javax.servlet.ServletException;

import junit.framework.TestCase;

import org.springframework.mail.MailSendException;
import org.springframework.transaction.TransactionDefinition;

/**
 * @author Rod Johnson
 * @author Juergen Hoeller
 * @author Rick Evans
 * @since 09.04.2003
 */
public class RuleBasedTransactionAttributeTests extends TestCase {

	public void testDefaultRule() {
		RuleBasedTransactionAttribute rta = new RuleBasedTransactionAttribute();
		assertTrue(rta.rollbackOn(new RuntimeException()));
		assertTrue(rta.rollbackOn(new MailSendException("")));
		assertFalse(rta.rollbackOn(new Exception()));
		assertFalse(rta.rollbackOn(new ServletException()));
	}
	
	/**
	 * Test one checked exception that should roll back.
	 */
	public void testRuleForRollbackOnChecked() {
		List list = new LinkedList();
		list.add(new RollbackRuleAttribute("javax.servlet.ServletException"));
		RuleBasedTransactionAttribute rta = new RuleBasedTransactionAttribute(TransactionDefinition.PROPAGATION_REQUIRED, list);
		
		assertTrue(rta.rollbackOn(new RuntimeException()));
		assertTrue(rta.rollbackOn(new MailSendException("")));
		assertFalse(rta.rollbackOn(new Exception()));
		// Check that default behaviour is overridden
		assertTrue(rta.rollbackOn(new ServletException()));
	}
	
	public void testRuleForCommitOnUnchecked() {
		List list = new LinkedList();
		list.add(new NoRollbackRuleAttribute("org.springframework.mail.MailSendException"));
		list.add(new RollbackRuleAttribute("javax.servlet.ServletException"));
		RuleBasedTransactionAttribute rta = new RuleBasedTransactionAttribute(TransactionDefinition.PROPAGATION_REQUIRED, list);
		
		assertTrue(rta.rollbackOn(new RuntimeException()));
		// Check default behaviour is overridden
		assertFalse(rta.rollbackOn(new MailSendException("")));
		assertFalse(rta.rollbackOn(new Exception()));
		// Check that default behaviour is overridden
		assertTrue(rta.rollbackOn(new ServletException()));
	}
	
	public void testRuleForSelectiveRollbackOnCheckedWithString() {
		List l = new LinkedList();
		l.add(new RollbackRuleAttribute("java.rmi.RemoteException"));
		RuleBasedTransactionAttribute rta = new RuleBasedTransactionAttribute(TransactionDefinition.PROPAGATION_REQUIRED, l);
		doTestRuleForSelectiveRollbackOnChecked(rta);
	}
	
	public void testRuleForSelectiveRollbackOnCheckedWithClass() {
		List l = Collections.singletonList(new RollbackRuleAttribute(RemoteException.class));
		RuleBasedTransactionAttribute rta = new RuleBasedTransactionAttribute(TransactionDefinition.PROPAGATION_REQUIRED, l);
		doTestRuleForSelectiveRollbackOnChecked(rta);
	}
	
	private void doTestRuleForSelectiveRollbackOnChecked(RuleBasedTransactionAttribute rta) {
		assertTrue(rta.rollbackOn(new RuntimeException()));
		// Check default behaviour is overridden
		assertFalse(rta.rollbackOn(new Exception()));
		// Check that default behaviour is overridden
		assertTrue(rta.rollbackOn(new RemoteException()));
	}
	
	/**
	 * Check that a rule can cause commit on a ServletException
	 * when Exception prompts a rollback.
	 */
	public void testRuleForCommitOnSubclassOfChecked() {
		List list = new LinkedList();
		// Note that it's important to ensure that we have this as
		// a FQN: otherwise it will match everything!
		list.add(new RollbackRuleAttribute("java.lang.Exception"));
		list.add(new NoRollbackRuleAttribute("ServletException"));
		RuleBasedTransactionAttribute rta = new RuleBasedTransactionAttribute(TransactionDefinition.PROPAGATION_REQUIRED, list);

		assertTrue(rta.rollbackOn(new RuntimeException()));
		assertTrue(rta.rollbackOn(new Exception()));
		// Check that default behaviour is overridden
		assertFalse(rta.rollbackOn(new ServletException()));
	}

	public void testRollbackNever() {
		List list = new LinkedList();
		list.add(new NoRollbackRuleAttribute("Throwable"));
		RuleBasedTransactionAttribute rta = new RuleBasedTransactionAttribute(TransactionDefinition.PROPAGATION_REQUIRED, list);
	
		assertFalse(rta.rollbackOn(new Throwable()));
		assertFalse(rta.rollbackOn(new RuntimeException()));
		assertFalse(rta.rollbackOn(new MailSendException("")));
		assertFalse(rta.rollbackOn(new Exception()));
		assertFalse(rta.rollbackOn(new ServletException()));
	}

	public void testToStringMatchesEditor() {
		List list = new LinkedList();
		list.add(new NoRollbackRuleAttribute("Throwable"));
		RuleBasedTransactionAttribute rta = new RuleBasedTransactionAttribute(TransactionDefinition.PROPAGATION_REQUIRED, list);

		TransactionAttributeEditor tae = new TransactionAttributeEditor();
		tae.setAsText(rta.toString());
		rta = (RuleBasedTransactionAttribute) tae.getValue();

		assertFalse(rta.rollbackOn(new Throwable()));
		assertFalse(rta.rollbackOn(new RuntimeException()));
		assertFalse(rta.rollbackOn(new MailSendException("")));
		assertFalse(rta.rollbackOn(new Exception()));
		assertFalse(rta.rollbackOn(new ServletException()));
	}

	/**
	 * See <a href="http://forum.springframework.org/showthread.php?t=41350">this forum post.
	 */
	public void testConflictingRulesToDetermineExactContract() {
		List list = new LinkedList();
		list.add(new NoRollbackRuleAttribute(MyBusinessWarningException.class));
		list.add(new RollbackRuleAttribute(MyBusinessException.class));
		RuleBasedTransactionAttribute rta = new RuleBasedTransactionAttribute(TransactionDefinition.PROPAGATION_REQUIRED, list);

		assertTrue(rta.rollbackOn(new MyBusinessException()));
		assertFalse(rta.rollbackOn(new MyBusinessWarningException()));
	}


	public static class MyBusinessException extends Exception {}


	public static final class MyBusinessWarningException extends MyBusinessException {}

}