RecursiveTransactionalTest.java

/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2013, Red Hat, Inc., and individual contributors
 * as indicated by the @author tags. See the copyright.txt file in the
 * distribution for a full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

package com.hp.mwtests.ts.jta.cdi.transactional;

import java.util.concurrent.ExecutorService;
import javax.annotation.Resource;
import javax.ejb.TransactionManagementType;
import javax.inject.Inject;
import javax.transaction.Transactional;
import javax.transaction.Transactional.TxType;
import org.jboss.arquillian.container.test.api.Deployment;
import org.jboss.arquillian.junit.Arquillian;
import org.jboss.shrinkwrap.api.ShrinkWrap;
import org.jboss.shrinkwrap.api.asset.EmptyAsset;
import org.jboss.shrinkwrap.api.spec.WebArchive;
import org.junit.Test;
import org.junit.runner.RunWith;

/**
 * <p>
 * Implements various scenarios reproducing bug
 * <a href="https://issues.jboss.org/browse/JBTM-2350">JBTM-2350</a>.
 * </p>
 * <p>
 * Test weather transaction management type(user transaction availability) is correctly restored when method
 * annotated {@link Transactional @Transactional} is invoked recursively.
 * </p>
 *
 * @author <a href="mailto:Tomasz%20Krakowiak%20%3ctomasz.krakowiak@efish.pl%3c">Tomasz Krakowiak
 *         <tomasz.krakowiak@efish.pl></a>
 */
@RunWith(Arquillian.class)
public class RecursiveTransactionalTest {

	public static final Runnable DO_NOTHING = new Runnable() {
		@Override
		public void run() {
		}
	};

	@Inject
	TestTransactionalInvokerHelper helper;

	@Resource(name = "java:comp/DefaultManagedExecutorService")
	ExecutorService executorService;

	@Deployment
	public static WebArchive createTestArchive() {
		return ShrinkWrap.create(WebArchive.class, "test.war")
				.addPackage("com.hp.mwtests.ts.jta.cdi.transactional")
				.addAsWebInfResource(EmptyAsset.INSTANCE, "beans.xml");
	}

	@Test
	public void testRecursiveTxRequired() {
		doTest(TxType.REQUIRED);
	}

	@Test
	public void testRecursiveTxRequiresNew() {
		doTest(TxType.REQUIRES_NEW);
	}

	@Test
	public void testRecursiveTxMandatory() {
		doTest(TxType.MANDATORY);
	}

	@Test
	public void testRecursiveTxSupports() {
		doTest(TxType.SUPPORTS);
	}

	@Test
	public void testRecursiveTxNotSupported() {
		doTest(TxType.NOT_SUPPORTED);
	}

	@Test
	public void testRecursiveTxNever() {
		doTest(TxType.NEVER);
	}

	private void doTest(TxType txType) {
		TransactionManagementType oppositeTransactionManagementType = oppositeTransactionManagementType(txType);
		boolean startTransaction = txType == TxType.MANDATORY;
		boolean expectedAvailable = oppositeTransactionManagementType == TransactionManagementType.BEAN;
		Runnable runnable = helper.runWithTransactionManagement(oppositeTransactionManagementType, startTransaction,
				helper.runAndCheckUserTransactionAvailability(
						helper.runInTxType(txType,
								helper.runInTxType(txType, DO_NOTHING)
						),
						expectedAvailable
				)
		);
		runnable.run();
	}

	private TransactionManagementType oppositeTransactionManagementType(TxType txType) {
		switch (txType) {
			case REQUIRED:
			case REQUIRES_NEW:
			case MANDATORY:
			case SUPPORTS:
				return TransactionManagementType.BEAN;
			case NOT_SUPPORTED:
			case NEVER:
				return TransactionManagementType.CONTAINER;
			default:
				throw new RuntimeException("Unexpected tx type " + txType);
		}
	}
}