<?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     Sebastian Bergmann <sb@sebastian-bergmann.de>
 * @copyright  2002-2008 Sebastian Bergmann <sb@sebastian-bergmann.de>
 * @license    http://www.opensource.org/licenses/bsd-license.php  BSD License
 * @version    SVN: $Id: PhptTestCase.php 1985 2007-12-26 18:11:55Z sb $
 * @link       http://www.phpunit.de/
 * @since      File available since Release 3.1.4
 */

require_once 'PHPUnit/Framework.php';
require_once 'PHPUnit/Extensions/PhptTestCase/Logger.php';
require_once 'PHPUnit/Util/Filter.php';

@include_once 'PEAR/RunTest.php';

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

/**
 * Wrapper to run .phpt test cases.
 *
 * @category   Testing
 * @package    PHPUnit
 * @author     Sebastian Bergmann <sb@sebastian-bergmann.de>
 * @copyright  2002-2008 Sebastian Bergmann <sb@sebastian-bergmann.de>
 * @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 3.1.4
 */
class PHPUnit_Extensions_PhptTestCase implements PHPUnit_Framework_Test {
  /**
   * The filename of the .phpt file.
   *
   * @var    string
   * @access protected
   */
  protected $filename;
  
  protected $options = array();

  /**
   * Constructs a test case with the given filename.
   *
   * @param  string $filename
   * @param  array  $options Array with ini settings for the php instance run,
   *                         key being the name if the setting, value the ini value.
   * @access public
   */
  public function __construct($filename, $options = array()) {
    if (! is_string($filename)) {
      throw new InvalidArgumentException();
    }
    
    if (! is_file($filename)) {
      throw new RuntimeException(sprintf('File "%s" does not exist.', $filename));
    }
    
    if (! is_array($options)) {
      throw new InvalidArgumentException();
    }
    
    $this->filename = $filename;
    $this->options = $options;
  }

  /**
   * Counts the number of test cases executed by run(TestResult result).
   *
   * @return integer
   * @access public
   */
  public function count() {
    return 1;
  }

  /**
   * Runs a test and collects its result in a TestResult instance.
   *
   * @param  PHPUnit_Framework_TestResult $result
   * @param  array $options Array with ini settings for the php instance run,
   *                        key being the name if the setting, value the ini value.
   * @return PHPUnit_Framework_TestResult
   * @access public
   */
  public function run(PHPUnit_Framework_TestResult $result = NULL, $options = array()) {
    if (! class_exists('PEAR_RunTest', FALSE)) {
      throw new RuntimeException('Class PEAR_RunTest not found.');
    }
    
    if ($result === NULL) {
      $result = new PHPUnit_Framework_TestResult();
    }
    
    if (! is_array($options)) {
      throw new InvalidArgumentException();
    }
    
    $options = array_merge($options, $this->options);
    
    $coverage = $result->getCollectCodeCoverageInformation();
    
    if ($coverage) {
      $options = array('coverage' => TRUE);
    } else {
      $options = array();
    }
    
    $runner = new PEAR_RunTest(new PHPUnit_Extensions_PhptTestCase_Logger(), $options);
    
    if ($coverage) {
      $runner->xdebug_loaded = TRUE;
    } else {
      $runner->xdebug_loaded = FALSE;
    }
    
    $result->startTest($this);
    
    PHPUnit_Util_Timer::start();
    $buffer = $runner->run($this->filename, $options);
    $time = PHPUnit_Util_Timer::stop();
    
    $base = basename($this->filename);
    $path = dirname($this->filename);
    $coverageFile = $path . DIRECTORY_SEPARATOR . str_replace('.phpt', '.xdebug', $base);
    $diffFile = $path . DIRECTORY_SEPARATOR . str_replace('.phpt', '.diff', $base);
    $expFile = $path . DIRECTORY_SEPARATOR . str_replace('.phpt', '.exp', $base);
    $logFile = $path . DIRECTORY_SEPARATOR . str_replace('.phpt', '.log', $base);
    $outFile = $path . DIRECTORY_SEPARATOR . str_replace('.phpt', '.out', $base);
    $phpFile = $path . DIRECTORY_SEPARATOR . str_replace('.phpt', '.php', $base);
    
    if (is_object($buffer) && $buffer instanceof PEAR_Error) {
      $result->addError($this, new RuntimeException($buffer->getMessage()), $time);
    } 

    else if ($buffer == 'SKIPPED') {
      $result->addFailure($this, new PHPUnit_Framework_SkippedTestError(), 0);
    } 

    else if ($buffer != 'PASSED') {
      $result->addFailure($this, PHPUnit_Framework_ComparisonFailure::diffEqual(file_get_contents($expFile), file_get_contents($outFile), FALSE, $this->getName()), $time);
    }
    
    foreach (array($diffFile, $expFile, $logFile, $phpFile, $outFile) as $file) {
      if (file_exists($file)) {
        unlink($file);
      }
    }
    
    if ($coverage) {
      eval('$coverageData = ' . file_get_contents($coverageFile) . ';');
      unset($coverageData[$phpFile]);
      
      $codeCoverageInformation = array('test' => $this, 'files' => $coverageData);
      
      $result->appendCodeCoverageInformation($this, $codeCoverageInformation);
      unlink($coverageFile);
    }
    
    $result->endTest($this, $time);
    
    return $result;
  }

  /**
   * Returns the name of the test case.
   *
   * @return string
   * @access public
   */
  public function getName() {
    return $this->toString();
  }

  /**
   * Returns a string representation of the test case.
   *
   * @return string
   * @access public
   */
  public function toString() {
    return $this->filename;
  }
}
?>