<?php
/**
 * PHPUnit
 *
 * Copyright (c) 2002-2008, Sebastian Bergmann <sb@sebastian-bergmann.de>.
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 *   * Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *
 *   * Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in
 *     the documentation and/or other materials provided with the
 *     distribution.
 *
 *   * Neither the name of Sebastian Bergmann nor the names of his
 *     contributors may be used to endorse or promote products derived
 *     from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * @category   Testing
 * @package    PHPUnit
 * @author     Mike Lively <m@digitalsandwich.com>
 * @copyright  2002-2008 Sebastian Bergmann <sb@sebastian-bergmann.de>
 * @license    http://www.opensource.org/licenses/bsd-license.php  BSD License
 * @version    SVN: $Id: AbstractTable.php 1985 2007-12-26 18:11:55Z sb $
 * @link       http://www.phpunit.de/
 * @since      File available since Release 3.2.0
 */

require_once 'PHPUnit/Framework.php';
require_once 'PHPUnit/Util/Filter.php';

require_once 'PHPUnit/Extensions/Database/DataSet/ITable.php';

PHPUnit_Util_Filter::addFileToFilter(__FILE__, 'PHPUNIT');

/**
 * Provides a basic functionality for dbunit tables
 *
 * @category   Testing
 * @package    PHPUnit
 * @author     Mike Lively <m@digitalsandwich.com>
 * @copyright  2008 Mike Lively <m@digitalsandwich.com>
 * @license    http://www.opensource.org/licenses/bsd-license.php  BSD License
 * @version    Release: 3.2.9
 * @link       http://www.phpunit.de/
 * @since      Class available since Release 3.2.0
 */
class PHPUnit_Extensions_Database_DataSet_AbstractTable implements PHPUnit_Extensions_Database_DataSet_ITable {
  
  /**
   * @var PHPUnit_Extensions_Database_DataSet_ITableMetaData
   */
  protected $tableMetaData;
  
  /**
   * A 2-dimensional array containing the data for this table.
   *
   * @var array
   */
  protected $data;

  /**
   * Sets the metadata for this table.
   *
   * @param PHPUnit_Extensions_Database_DataSet_ITableMetaData $tableMetaData
   */
  protected function setTableMetaData(PHPUnit_Extensions_Database_DataSet_ITableMetaData $tableMetaData) {
    $this->tableMetaData = $tableMetaData;
  }

  /**
   * Returns the table's meta data.
   *
   * @return PHPUnit_Extensions_Database_DataSet_ITableMetaData
   */
  public function getTableMetaData() {
    return $this->tableMetaData;
  }

  /**
   * Returns the number of rows in this table.
   *
   * @return int
   */
  public function getRowCount() {
    return count($this->data);
  }

  /**
   * Returns the value for the given column on the given row.
   *
   * @param int $row
   * @param int $column
   * @todo reorganize this function to throw the exception first.
   */
  public function getValue($row, $column) {
    if (isset($this->data[$row][$column])) {
      return (string)$this->data[$row][$column];
    } else {
      if (! in_array($column, $this->getTableMetaData()->getColumns()) || $this->getRowCount() <= $row) {
        throw new InvalidArgumentException("The given row ({$row}) and column ({$column}) do not exist in table {$this->getTableMetaData()->getTableName()}");
      } else {
        return null;
      }
    }
  }

  /**
   * Asserts that the given table matches this table.
   *
   * @param PHPUnit_Extensions_Database_DataSet_ITable $other
   */
  public function assertEquals(PHPUnit_Extensions_Database_DataSet_ITable $other) {
    $thisMetaData = $this->getTableMetaData();
    $otherMetaData = $other->getTableMetaData();
    
    $thisMetaData->assertEquals($otherMetaData);
    
    if ($this->getRowCount() != $other->getRowCount()) {
      throw new Exception("Expected row count of {$this->getRowCount()}, has a row count of {$other->getRowCount()}");
    }
    
    $columns = $thisMetaData->getColumns();
    for ($i = 0; $i < $this->getRowCount(); $i ++) {
      foreach ($columns as $columnName) {
        if ($this->getValue($i, $columnName) != $other->getValue($i, $columnName)) {
          throw new Exception("Expected value of {$this->getValue($i, $columnName)} for row {$i} column {$columnName}, has a value of {$other->getValue($i, $columnName)}");
        }
      }
    }
    
    return TRUE;
  }

  public function __toString() {
    $columns = $this->getTableMetaData()->getColumns();
    
    $lineSeperator = str_repeat('+----------------------', count($columns)) . "+\n";
    $lineLength = strlen($lineSeperator) - 1;
    
    $tableString = $lineSeperator;
    $tableString .= '| ' . str_pad($this->getTableMetaData()->getTableName(), $lineLength - 4, ' ', STR_PAD_RIGHT) . " |\n";
    $tableString .= $lineSeperator;
    $tableString .= $this->rowToString($columns);
    $tableString .= $lineSeperator;
    
    for ($i = 0; $i < $this->getRowCount(); $i ++) {
      $values = array();
      foreach ($columns as $columnName) {
        $values[] = $this->getValue($i, $columnName);
      }
      
      $tableString .= $this->rowToString($values);
      $tableString .= $lineSeperator;
    }
    
    return "\n" . $tableString . "\n";
  }

  protected function rowToString(Array $row) {
    $rowString = '';
    foreach ($row as $value) {
      if (is_null($value)) {
        $value = 'NULL';
      }
      $rowString .= '| ' . str_pad(substr($value, 0, 20), 20, ' ', STR_PAD_BOTH) . ' ';
    }
    
    return $rowString . "|\n";
  }
}
?>