TestUtil.java

/**
 * Licensed to The Apereo Foundation under one or more contributor license
 * agreements. See the NOTICE file distributed with this work for additional
 * information regarding copyright ownership.
 *
 *
 * The Apereo Foundation licenses this file to you under the Educational
 * Community 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://opensource.org/licenses/ecl2.txt
 *
 * 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.opencastproject.oaipmh;

import com.mchange.v2.c3p0.ComboPooledDataSource;

import org.eclipse.persistence.jpa.PersistenceProvider;
import org.junit.Ignore;

import java.beans.PropertyVetoException;
import java.util.HashMap;
import java.util.Map;

import javax.persistence.EntityManagerFactory;

// Ignore this class since it doesn't contain any tests, just helpers
@Ignore
public final class TestUtil {

  private TestUtil() {
  }

  /**
   * Create a new entity manager factory backed by an in-memory H2 database for testing purposes.
   *
   * @param emName
   *          name of the persistence unit (see META-INF/persistence.xml)
   */
  public static EntityManagerFactory newTestEntityManagerFactory(String emName) {
    // Set up the database
    ComboPooledDataSource pooledDataSource = new ComboPooledDataSource();
    try {
      pooledDataSource.setDriverClass("org.h2.Driver");
    } catch (PropertyVetoException e) {
      throw new RuntimeException(e);
    }
    pooledDataSource.setJdbcUrl("jdbc:h2:./target/db" + System.currentTimeMillis());
    pooledDataSource.setUser("sa");
    pooledDataSource.setPassword("sa");

    // Set up the persistence properties
    Map<String, Object> persistenceProps = new HashMap<String, Object>();
    persistenceProps.put("javax.persistence.nonJtaDataSource", pooledDataSource);
    persistenceProps.put("eclipselink.ddl-generation", "create-tables");
    persistenceProps.put("eclipselink.ddl-generation.output-mode", "database");

    PersistenceProvider pp = new PersistenceProvider();
    return pp.createEntityManagerFactory(emName, persistenceProps);
  }
}