<?php
/** 
 *  SeekQuarry/Yioop --
 *  Open Source Pure PHP Search Engine, Crawler, and Indexer
 *
 *  Copyright (C) 2009, 2010, 2011  Chris Pollett hide@address.com
 *
 *  LICENSE:
 *
 *  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, either version 3 of the License, or
 *  (at your option) any later version.
 *
 *  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, see <http://www.gnu.org/licenses/>.
 *
 *  END LICENSE
 *
 * @author Chris Pollett hide@address.com
 * @package seek_quarry
 * @subpackage test
 * @license http://www.gnu.org/licenses/ GPL3
 * @link http://www.seekquarry.com/
 * @copyright 2009, 2010, 2011s
 * @filesource
 */

if(!defined('BASE_DIR')) {echo "BAD REQUEST"; exit();}

/**
 *  Load the string_array library we'll be testing
 */
require_once BASE_DIR."/lib/string_array.php"; 

/**
 *  Used to test that the StringArray class properly stores/retrieves values,
 *  and can handle loading and saving
 *
 *  @author Chris Pollett
 *  @package seek_quarry
 *  @subpackage test
 */
class StringArrayTest extends UnitTest
{
    /**
     * We'll use two different tables one more representative of how the table 
     * is going to be used by the web_queue_bundle, the other small enough that 
     * we can manually figure out what the result should be
     */
    public function setUp()
    {
        $this->test_objects['FILE1'] = new StringArray("array.txt", 4, 4, -1);
    }

    /**
     * Since a StringArray is a PersistentStructure it periodically saves 
     * itself to a file. To clean up we delete the files that might be created
     */
    public function tearDown()
    {
        @unlink("array.txt");
    }

    /**
     * Check if can put objects into string array and retrieve them
     */
    public function putGetTestCase()
    {
        $this->test_objects['FILE1']->put(0, pack("N", 5));
        $this->test_objects['FILE1']->put(1, pack("N", 4));
        $this->test_objects['FILE1']->put(2, pack("N", 3));
        $this->test_objects['FILE1']->put(3, pack("N", 2));
        $tmp = unpack("N",$this->test_objects['FILE1']->get(0));
        $this->assertEqual($tmp[1], 5, "Get put 0th items equal");
        $tmp = unpack("N",$this->test_objects['FILE1']->get(1));
        $this->assertEqual($tmp[1], 4, "Get put 1th items equal");
        $tmp = unpack("N",$this->test_objects['FILE1']->get(2));
        $this->assertEqual($tmp[1], 3, "Get put 2th items equal");
        $tmp = unpack("N",$this->test_objects['FILE1']->get(3));
        $this->assertEqual($tmp[1], 2, "Get put 3th items equal");
    }

    /**
     * Check if saving and loading of StringArray's works
     * Also checks that save is nondestructive
     */
    public function putSaveGetSavedTestCase()
    {
        $this->test_objects['FILE1']->put(0, pack("N", 5));
        $this->test_objects['FILE1']->put(1, pack("N", 4));
        $this->test_objects['FILE1']->put(2, pack("N", 3));
        $this->test_objects['FILE1']->put(3, pack("N", 2));
        $this->test_objects['FILE1']->save();
        $object = StringArray::load("array.txt");
        //check can read in what we saved
        $tmp = unpack("N",$object->get(0));
        $this->assertEqual($tmp[1], 5, "Get put 0th items equal");
        $tmp = unpack("N",$object->get(1));
        $this->assertEqual($tmp[1], 4, "Get put 1th items equal");
        $tmp = unpack("N",$object->get(2));
        $this->assertEqual($tmp[1], 3, "Get put 2th items equal");
        $tmp = unpack("N",$object->get(3));
        $this->assertEqual($tmp[1], 2, "Get put 3th items equal");
        // check that writing didn't mess-up original object
        $tmp = unpack("N",$this->test_objects['FILE1']->get(0));
        $this->assertEqual($tmp[1], 5, "Get put 0th items equal");
        $tmp = unpack("N",$this->test_objects['FILE1']->get(1));
        $this->assertEqual($tmp[1], 4, "Get put 1th items equal");
        $tmp = unpack("N",$this->test_objects['FILE1']->get(2));
        $this->assertEqual($tmp[1], 3, "Get put 2th items equal");
        $tmp = unpack("N",$this->test_objects['FILE1']->get(3));
        $this->assertEqual($tmp[1], 2, "Get put 3th items equal");
    }
}
?>