examples/alternate-descriptors/src/test/java/org/superbiz/altdd/MoviesTest.java

/**
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.superbiz.altdd;

import junit.framework.TestCase;

import javax.annotation.Resource;
import javax.ejb.EJB;
import javax.ejb.SessionContext;
import javax.ejb.embeddable.EJBContainer;
import javax.interceptor.AroundInvoke;
import javax.interceptor.InvocationContext;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.transaction.RollbackException;
import javax.transaction.UserTransaction;
import java.util.List;
import java.util.Properties;

//START SNIPPET: code
public class MoviesTest extends TestCase {

    @EJB
    private Movies movies;

    @Resource
    private UserTransaction userTransaction;

    @PersistenceContext
    private EntityManager entityManager;

    public void setUp() throws Exception {
        Properties p = new Properties();
        p.put("movieDatabase", "new://Resource?type=DataSource");
        p.put("movieDatabase.JdbcDriver", "org.hsqldb.jdbcDriver");
        p.put("movieDatabase.JdbcUrl", "jdbc:hsqldb:mem:moviedb");

        p.put("openejb.altdd.prefix", "test");

        EJBContainer.createEJBContainer(p).getContext().bind("inject", this);
    }

    public void test() throws Exception {

        userTransaction.begin();

        try {
            entityManager.persist(new Movie("Quentin Tarantino", "Reservoir Dogs", 1992));
            entityManager.persist(new Movie("Joel Coen", "Fargo", 1996));
            entityManager.persist(new Movie("Joel Coen", "The Big Lebowski", 1998));

            List<Movie> list = movies.getMovies();
            assertEquals("List.size()", 3, list.size());

            for (Movie movie : list) {
                movies.deleteMovie(movie);
            }

            assertEquals("Movies.getMovies()", 0, movies.getMovies().size());

        } finally {
            try {
                userTransaction.commit();
                fail("Transaction should have been rolled back");
            } catch (RollbackException e) {
                // Good, we don't want to clean up the db
            }
        }
    }

    public static class Interceptor {

        @Resource
        private SessionContext sessionContext;

        @AroundInvoke
        public Object invoke(InvocationContext context) throws Exception {

            sessionContext.setRollbackOnly();

            return context.proceed();
        }
    }
}
//END SNIPPET: code