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Blazegraph(TM) RDF Test Suites
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/**

Copyright (C) SYSTAP, LLC DBA Blazegraph 2006-2016.  All rights reserved.

Contact:
     SYSTAP, LLC DBA Blazegraph
     2501 Calvert ST NW #106
     Washington, DC 20008
     [email protected]

This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.

This program 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 General Public License for more details.

You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/
/*
 * Created on Jul 25, 2007
 */

package com.bigdata.rdf.store;

import java.io.File;
import java.util.Properties;

import junit.framework.TestCase;

import com.bigdata.service.EmbeddedClient;
import com.bigdata.service.IBigdataClient;

/**
 * An abstract test harness that sets up (and tears down) the metadata and data
 * services required for a bigdata federation using in-process services rather
 * than service discovery (which means that there is no network IO).
 * 
 * @author Bryan Thompson
 * @version $Id$
 */
abstract public class AbstractEmbeddedBigdataFederationTestCase extends TestCase {

    /**
     * 
     */
    public AbstractEmbeddedBigdataFederationTestCase() {
        super();
    }

    /**
     * @param arg0
     */
    public AbstractEmbeddedBigdataFederationTestCase(String arg0) {
        super(arg0);
    }

    protected Properties getProperties() {
        
        return new Properties(System.getProperties());
        
    }
    
    IBigdataClient client;

    /**
     * Data files are placed into a directory named by the test. If the
     * directory exists, then it is removed before the federation is set up.
     */
    public void setUp() throws Exception {

        final File dataDir = new File(getName());

        if (dataDir.exists() && dataDir.isDirectory()) {

            recursiveDelete(dataDir);

        }

        final Properties properties = new Properties(getProperties());

        properties.setProperty(EmbeddedClient.Options.DATA_DIR, getName());
        
        /*
         * Disable the o/s specific statistics collection for the test run.
         * 
         * Note: You only need to enable this if you are trying to track the
         * statistics or if you are testing index partition moves, since moves
         * rely on the per-host counters collected from the o/s.
         */
        properties.setProperty(EmbeddedClient.Options.COLLECT_PLATFORM_STATISTICS,"false");
        
        client = new EmbeddedClient(properties);
        
        client.connect();
        
    }
    
    public void tearDown() throws Exception {
        
        if (client != null) {

            client.disconnect(true/* immediateShutdown */);

        }
        
    }
    
    /**
     * Recursively removes any files and subdirectories and then removes the
     * file (or directory) itself.
     * 
     * @param f A file or directory.
     */
    private void recursiveDelete(File f) {
        
        if(f.isDirectory()) {
            
            File[] children = f.listFiles();
            
            for(int i=0; i