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<?php
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/**
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* PHPUnit
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*
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* Copyright (c) 2002-2010, Sebastian Bergmann <sb@sebastian-bergmann.de>.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* * Neither the name of Sebastian Bergmann nor the names of his
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* @category Testing
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* @package PHPUnit
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* @author Sebastian Bergmann <sb@sebastian-bergmann.de>
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* @copyright 2002-2010 Sebastian Bergmann <sb@sebastian-bergmann.de>
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* @license http://www.opensource.org/licenses/bsd-license.php BSD License
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* @link http://www.phpunit.de/
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* @since File available since Release 3.4.0
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*/
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require_once 'PHPUnit/Util/Filter.php';
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PHPUnit_Util_Filter::addFileToFilter(__FILE__, 'PHPUNIT');
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/**
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* Utility methods for PHP sub-processes.
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*
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* @category Testing
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* @package PHPUnit
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* @author Sebastian Bergmann <sb@sebastian-bergmann.de>
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* @copyright 2002-2010 Sebastian Bergmann <sb@sebastian-bergmann.de>
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* @license http://www.opensource.org/licenses/bsd-license.php BSD License
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* @version Release: 3.4.15
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* @link http://www.phpunit.de/
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* @since Class available since Release 3.4.0
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*/
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class PHPUnit_Util_PHP
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{
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/**
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* Path to the PHP interpreter that is to be used.
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*
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* @var string $phpBinary
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*/
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protected static $phpBinary = NULL;
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/**
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* Descriptor specification for proc_open().
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*
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* @var array
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*/
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protected static $descriptorSpec = array(
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1 => array('pipe', 'w'),
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2 => array('pipe', 'w')
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);
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/**
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* Returns the path to a PHP interpreter.
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*
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* PHPUnit_Util_PHP::$phpBinary contains the path to the PHP
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* interpreter.
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*
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* When not set, the following assumptions will be made:
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*
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* 1. When the PHP CLI/CGI binary configured with the PEAR Installer
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* (php_bin configuration value) is readable, it will be used.
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*
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* 2. When PHPUnit is run using the CLI SAPI and the $_SERVER['_']
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* variable does not contain the string "PHPUnit", $_SERVER['_']
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* is assumed to contain the path to the current PHP interpreter
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* and that will be used.
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*
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* 3. When PHPUnit is run using the CLI SAPI and the $_SERVER['_']
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* variable contains the string "PHPUnit", the file that $_SERVER['_']
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* points to is assumed to be the PHPUnit TextUI CLI wrapper script
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* "phpunit" and the binary set up using #! on that file's first
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* line of code is assumed to contain the path to the current PHP
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* interpreter and that will be used.
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*
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* 4. The current PHP interpreter is assumed to be in the $PATH and
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* to be invokable through "php".
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*
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* @return string
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*/
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public static function getPhpBinary()
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{
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if (self::$phpBinary === NULL) {
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if (is_readable('/usr/bin/php')) {
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self::$phpBinary = '/usr/bin/php';
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}
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else if (PHP_SAPI == 'cli' && isset($_SERVER['_']) &&
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strpos($_SERVER['_'], 'phpunit') !== FALSE) {
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$file = file($_SERVER['_']);
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$tmp = explode(' ', $file[0]);
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self::$phpBinary = trim($tmp[1]);
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}
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if (!is_readable(self::$phpBinary)) {
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self::$phpBinary = 'php';
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} else {
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self::$phpBinary = escapeshellarg(self::$phpBinary);
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}
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}
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return self::$phpBinary;
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}
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/**
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* Runs a single job (PHP code) using a separate PHP process.
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*
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* @param string $job
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* @return string
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*/
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public static function runJob($job)
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{
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$process = proc_open(
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self::getPhpBinary(), self::$descriptorSpec, $pipes
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);
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if (is_resource($process)) {
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fwrite($pipes[0], $job);
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fclose($pipes[0]);
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$stdout = stream_get_contents($pipes[1]);
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fclose($pipes[1]);
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$stderr = stream_get_contents($pipes[2]);
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fclose($pipes[2]);
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proc_close($process);
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return array('stdout' => $stdout, 'stderr' => $stderr);
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}
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}
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}
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?>
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