/*
 * Copyright 2015, The Querydsl Team (http://www.querydsl.com/team)
 *
 * 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 com.querydsl.hibernate.search;

import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.sql.SQLException;
import java.util.List;
import java.util.Properties;

import org.hibernate.HibernateException;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.cfg.AnnotationConfiguration;
import org.junit.After;
import org.junit.AfterClass;
import org.junit.Before;
import org.junit.BeforeClass;

import com.querydsl.core.util.FileUtils;

public abstract class AbstractQueryTest {

    private static SessionFactory sessionFactory;

    @BeforeClass
    public static void setUpClass() throws IOException {
        FileUtils.delete(new File("target/derbydb"));
        FileUtils.delete(new File("target/lucene3"));
        AnnotationConfiguration cfg = new AnnotationConfiguration();
        cfg.addAnnotatedClass(User.class);
        Properties props = new Properties();
        InputStream is = SearchQueryTest.class.getResourceAsStream("/derby.properties");
        try {
            props.load(is);
        } finally {
            is.close();
        }
        cfg.setProperties(props);
        sessionFactory = cfg.buildSessionFactory();
    }

    @AfterClass
    public static void tearDownClass() {
        if (sessionFactory != null) {
            sessionFactory.close();
        }
    }

    private Session session;

    protected Session getSession() {
        return session;
    }

    @SuppressWarnings("unchecked")
    @Before
    public void setUp() {
        session = sessionFactory.openSession();
        session.beginTransaction();

        // clean up
        List<User> users = session.createQuery("from User").list();
        for (User user : users) {
            session.delete(user);
        }
    }

    @After
    public void tearDown() throws HibernateException, SQLException {
        if (!session.getTransaction().wasRolledBack()) {
            session.getTransaction().commit();
        }
        session.close();
    }

}