/*
 * Copyright Red Hat, Inc. and/or its affiliates
 * and other contributors as indicated by the @author tags and
 * the COPYRIGHT.txt file distributed with this work.
 *
 * 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.teiid.eclipselink.platform;

import static org.junit.Assert.*;

import java.io.File;
import java.io.FileInputStream;
import java.sql.DriverManager;
import java.sql.SQLException;
import java.util.List;

import javax.persistence.EntityManager;
import javax.persistence.EntityManagerFactory;
import javax.persistence.Persistence;

import org.junit.AfterClass;
import org.junit.BeforeClass;
import org.junit.Test;
import org.mockito.Mockito;
import org.teiid.core.util.UnitTestUtil;
import org.teiid.file.JavaVirtualFile;
import org.teiid.file.VirtualFile;
import org.teiid.file.VirtualFileConnection;
import org.teiid.resource.api.ConnectionFactory;
import org.teiid.runtime.EmbeddedConfiguration;
import org.teiid.runtime.EmbeddedServer;
import org.teiid.translator.file.FileExecutionFactory;

@SuppressWarnings("nls")
public class TestTeiidPlatform {
	
	static EmbeddedServer server;
	static EntityManagerFactory factory;
	
	@BeforeClass 
	public static void init() throws Exception {
		
		server = new EmbeddedServer();
		FileExecutionFactory executionFactory = new FileExecutionFactory();
		server.addTranslator("file", executionFactory);
		
		server.addConnectionFactory("java:/marketdata-file", new ConnectionFactory<VirtualFileConnection>() {
		    @Override
		    public VirtualFileConnection getConnection() throws Exception {
		        VirtualFileConnection result = Mockito.mock(VirtualFileConnection.class);
		        JavaVirtualFile javaVirtualFile = new JavaVirtualFile(UnitTestUtil.getTestDataFile("file/marketdata.csv"));
                Mockito.stub(result.getFiles(Mockito.anyString())).toReturn(new VirtualFile[] {javaVirtualFile});
		        return result;
		    }
        });
		
		EmbeddedConfiguration config = new EmbeddedConfiguration();
		server.start(config);
		DriverManager.registerDriver(server.getDriver());
		
		server.deployVDB(new FileInputStream(UnitTestUtil.getTestDataFile("vdb"+File.separator+"marketdata-vdb.xml")));
		
		factory = Persistence.createEntityManagerFactory("org.teiid.eclipselink.test");
	}
	
	@Test
	public void testInit() throws Exception {
		assertNotNull(factory);
		EntityManager em = factory.createEntityManager();
		assertNotNull(em);
		em.close();
	}
	
	@Test
	public void testJPQLQuery() {
		EntityManager em = factory.createEntityManager();
		List list = em.createQuery("SELECT m FROM Marketdata m").getResultList();
		assertNotNull(list);
		assertEquals(10, list.size());
		em.close();
	}
	
	@AfterClass 
	public static void destory() {
		
		factory.close();
		try {
			DriverManager.deregisterDriver(server.getDriver());
		} catch (SQLException e) {
		}
		server.stop();
	}

}
