<?php
/**
 * Zend Framework
 *
 * LICENSE
 *
 * This source file is subject to the new BSD license that is bundled
 * with this package in the file LICENSE.txt.
 * It is also available through the world-wide-web at this URL:
 * http://framework.zend.com/license/new-bsd
 * If you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@zend.com so we can send you a copy immediately.
 *
 * @category   Zend
 * @package    Zend_Test
 * @subpackage PHPUnit
 * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 * @version    $Id$
 */

/**
 * @see Zend_Test_PHPUnit_Db_DataSet_DbTable
 */
require_once "Zend/Test/PHPUnit/Db/DataSet/DbTable.php";

/**
 * Aggregate several Zend_Db_Table instances into a dataset.
 *
 * @uses       Zend_Db_Table
 * @category   Zend
 * @package    Zend_Test
 * @subpackage PHPUnit
 * @copyright  Copyright (c) 2005-2015 Zend Technologies USA Inc. (http://www.zend.com)
 * @license    http://framework.zend.com/license/new-bsd     New BSD License
 */
class Zend_Test_PHPUnit_Db_DataSet_DbTableDataSet extends PHPUnit_Extensions_Database_DataSet_AbstractDataSet
{
    /**
     * @var array
     */
    protected $tables = array();

    /**
     * Add a Table dataset representation by specifiying an arbitrary select query.
     *
     * By default a select * will be done on the given tablename.
     *
     * @param Zend_Db_Table_Abstract $table
     * @param string $where
     * @param string $order
     * @param string $count
     * @param string $offset
     */
    public function addTable(Zend_Db_Table_Abstract $table, $where = null, $order = null, $count = null, $offset = null)
    {
        $tableName = $table->info('name');
        $this->tables[$tableName] = new Zend_Test_PHPUnit_Db_DataSet_DbTable($table, $where, $order, $count, $offset);
    }

    /**
     * Creates an iterator over the tables in the data set. If $reverse is
     * true a reverse iterator will be returned.
     *
     * @param bool $reverse
     * @return PHPUnit_Extensions_Database_DB_TableIterator
     */
    protected function createIterator($reverse = FALSE)
    {
        return new PHPUnit_Extensions_Database_DataSet_DefaultTableIterator($this->tables, $reverse);
    }

    /**
     * Returns a table object for the given table.
     *
     * @param string $tableName
     * @return PHPUnit_Extensions_Database_DB_Table
     */
    public function getTable($tableName)
    {
        if (!isset($this->tables[$tableName])) {
            throw new InvalidArgumentException("$tableName is not a table in the current database.");
        }

        return $this->tables[$tableName];
    }

    /**
     * Returns a list of table names for the database
     *
     * @return Array
     */
    public function getTableNames()
    {
        return array_keys($this->tables);
    }
}