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<?php
/**
* PHPUnit
*
* Copyright (c) 2001-2013, Sebastian Bergmann <sebastian@phpunit.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.
*
* @package PHPUnit
* @subpackage Util
* @author Sebastian Bergmann <sebastian@phpunit.de>
* @copyright 2001-2013 Sebastian Bergmann <sebastian@phpunit.de>
* @license http://www.opensource.org/licenses/BSD-3-Clause The BSD 3-Clause License
* @link http://www.phpunit.de/
* @since File available since Release 3.4.0
*/
/**
*
*
* @package PHPUnit
* @subpackage Util
* @author Sebastian Bergmann <sebastian@phpunit.de>
* @copyright 2001-2013 Sebastian Bergmann <sebastian@phpunit.de>
* @license http://www.opensource.org/licenses/BSD-3-Clause The BSD 3-Clause License
* @link http://www.phpunit.de/
* @since Class available since Release 3.4.0
*/
class PHPUnit_Util_GlobalState
{
/**
* @var array
*/
protected static $globals = array();
/**
* @var array
*/
protected static $staticAttributes = array();
/**
* @var array
*/
protected static $superGlobalArrays = array(
'_ENV',
'_POST',
'_GET',
'_COOKIE',
'_SERVER',
'_FILES',
'_REQUEST'
);
/**
* @var array
*/
protected static $superGlobalArraysLong = array(
'HTTP_ENV_VARS',
'HTTP_POST_VARS',
'HTTP_GET_VARS',
'HTTP_COOKIE_VARS',
'HTTP_SERVER_VARS',
'HTTP_POST_FILES'
);
/**
* @var array
*/
protected static $phpunitFiles;
public static function backupGlobals(array $blacklist)
{
self::$globals = array();
$superGlobalArrays = self::getSuperGlobalArrays();
foreach ($superGlobalArrays as $superGlobalArray) {
if (!in_array($superGlobalArray, $blacklist)) {
self::backupSuperGlobalArray($superGlobalArray);
}
}
foreach (array_keys($GLOBALS) as $key) {
if ($key != 'GLOBALS' &&
!in_array($key, $superGlobalArrays) &&
!in_array($key, $blacklist) &&
!$GLOBALS[$key] instanceof Closure) {
self::$globals['GLOBALS'][$key] = serialize($GLOBALS[$key]);
}
}
}
public static function restoreGlobals(array $blacklist)
{
if (ini_get('register_long_arrays') == '1') {
$superGlobalArrays = array_merge(
self::$superGlobalArrays, self::$superGlobalArraysLong
);
} else {
$superGlobalArrays = self::$superGlobalArrays;
}
foreach ($superGlobalArrays as $superGlobalArray) {
if (!in_array($superGlobalArray, $blacklist)) {
self::restoreSuperGlobalArray($superGlobalArray);
}
}
foreach (array_keys($GLOBALS) as $key) {
if ($key != 'GLOBALS' &&
!in_array($key, $superGlobalArrays) &&
!in_array($key, $blacklist)) {
if (isset(self::$globals['GLOBALS'][$key])) {
$GLOBALS[$key] = unserialize(
self::$globals['GLOBALS'][$key]
);
} else {
unset($GLOBALS[$key]);
}
}
}
self::$globals = array();
}
protected static function backupSuperGlobalArray($superGlobalArray)
{
self::$globals[$superGlobalArray] = array();
if (isset($GLOBALS[$superGlobalArray]) &&
is_array($GLOBALS[$superGlobalArray])) {
foreach ($GLOBALS[$superGlobalArray] as $key => $value) {
self::$globals[$superGlobalArray][$key] = serialize($value);
}
}
}
protected static function restoreSuperGlobalArray($superGlobalArray)
{
if (isset($GLOBALS[$superGlobalArray]) &&
is_array($GLOBALS[$superGlobalArray]) &&
isset(self::$globals[$superGlobalArray])) {
$keys = array_keys(
array_merge(
$GLOBALS[$superGlobalArray], self::$globals[$superGlobalArray]
)
);
foreach ($keys as $key) {
if (isset(self::$globals[$superGlobalArray][$key])) {
$GLOBALS[$superGlobalArray][$key] = unserialize(
self::$globals[$superGlobalArray][$key]
);
} else {
unset($GLOBALS[$superGlobalArray][$key]);
}
}
}
self::$globals[$superGlobalArray] = array();
}
public static function getIncludedFilesAsString()
{
$blacklist = self::phpunitFiles();
$files = get_included_files();
$prefix = FALSE;
$result = '';
if (defined('__PHPUNIT_PHAR__')) {
$prefix = 'phar://' . __PHPUNIT_PHAR__ . '/';
}
for ($i = count($files) - 1; $i > 0; $i--) {
$file = $files[$i];
if ($prefix !== FALSE) {
$file = str_replace($prefix, '', $file);
}
if (!isset($blacklist[$file]) && is_file($file)) {
$result = 'require_once \'' . $file . "';\n" . $result;
}
}
return $result;
}
public static function getConstantsAsString()
{
$constants = get_defined_constants(TRUE);
$result = '';
if (isset($constants['user'])) {
foreach ($constants['user'] as $name => $value) {
$result .= sprintf(
'if (!defined(\'%s\')) define(\'%s\', %s);' . "\n",
$name,
$name,
self::exportVariable($value)
);
}
}
return $result;
}
public static function getGlobalsAsString()
{
$result = '';
$superGlobalArrays = self::getSuperGlobalArrays();
foreach ($superGlobalArrays as $superGlobalArray) {
if (isset($GLOBALS[$superGlobalArray]) &&
is_array($GLOBALS[$superGlobalArray])) {
foreach (array_keys($GLOBALS[$superGlobalArray]) as $key) {
if ($GLOBALS[$superGlobalArray][$key] instanceof Closure) {
continue;
}
$result .= sprintf(
'$GLOBALS[\'%s\'][\'%s\'] = %s;' . "\n",
$superGlobalArray,
$key,
self::exportVariable($GLOBALS[$superGlobalArray][$key])
);
}
}
}
$blacklist = $superGlobalArrays;
$blacklist[] = 'GLOBALS';
$blacklist[] = '_PEAR_Config_instance';
foreach (array_keys($GLOBALS) as $key) {
if (!in_array($key, $blacklist) && !$GLOBALS[$key] instanceof Closure) {
$result .= sprintf(
'$GLOBALS[\'%s\'] = %s;' . "\n",
$key,
self::exportVariable($GLOBALS[$key])
);
}
}
return $result;
}
protected static function getSuperGlobalArrays()
{
if (ini_get('register_long_arrays') == '1') {
return array_merge(
self::$superGlobalArrays, self::$superGlobalArraysLong
);
} else {
return self::$superGlobalArrays;
}
}
public static function backupStaticAttributes(array $blacklist)
{
self::$staticAttributes = array();
$declaredClasses = get_declared_classes();
$declaredClassesNum = count($declaredClasses);
for ($i = $declaredClassesNum - 1; $i >= 0; $i--) {
if (strpos($declaredClasses[$i], 'PHPUnit') !== 0 &&
strpos($declaredClasses[$i], 'File_Iterator') !== 0 &&
strpos($declaredClasses[$i], 'PHP_CodeCoverage') !== 0 &&
strpos($declaredClasses[$i], 'PHP_Invoker') !== 0 &&
strpos($declaredClasses[$i], 'PHP_Timer') !== 0 &&
strpos($declaredClasses[$i], 'PHP_TokenStream') !== 0 &&
strpos($declaredClasses[$i], 'Symfony') !== 0 &&
strpos($declaredClasses[$i], 'Text_Template') !== 0 &&
!$declaredClasses[$i] instanceof PHPUnit_Framework_Test) {
$class = new ReflectionClass($declaredClasses[$i]);
if (!$class->isUserDefined()) {
break;
}
$backup = array();
foreach ($class->getProperties() as $attribute) {
if ($attribute->isStatic()) {
$name = $attribute->getName();
if (!isset($blacklist[$declaredClasses[$i]]) ||
!in_array($name, $blacklist[$declaredClasses[$i]])) {
$attribute->setAccessible(TRUE);
$value = $attribute->getValue();
if (!$value instanceof Closure) {
$backup[$name] = serialize($value);
}
}
}
}
if (!empty($backup)) {
self::$staticAttributes[$declaredClasses[$i]] = $backup;
}
}
}
}
public static function restoreStaticAttributes()
{
foreach (self::$staticAttributes as $className => $staticAttributes) {
foreach ($staticAttributes as $name => $value) {
$reflector = new ReflectionProperty($className, $name);
$reflector->setAccessible(TRUE);
$reflector->setValue(unserialize($value));
}
}
self::$staticAttributes = array();
}
protected static function exportVariable($variable)
{
if (is_scalar($variable) || is_null($variable) ||
(is_array($variable) && self::arrayOnlyContainsScalars($variable))) {
return var_export($variable, TRUE);
}
return 'unserialize(\'' .
str_replace("'", "\'", serialize($variable)) .
'\')';
}
protected static function arrayOnlyContainsScalars(array $array)
{
$result = TRUE;
foreach ($array as $element) {
if (is_array($element)) {
$result = self::arrayOnlyContainsScalars($element);
}
else if (!is_scalar($element) && !is_null($element)) {
$result = FALSE;
}
if ($result === FALSE) {
break;
}
}
return $result;
}
/**
* @return array
* @since Method available since Release 3.6.0
*/
public static function phpunitFiles()
{
if (self::$phpunitFiles === NULL) {
self::addDirectoryContainingClassToPHPUnitFilesList('File_Iterator');
self::addDirectoryContainingClassToPHPUnitFilesList('PHP_CodeCoverage');
self::addDirectoryContainingClassToPHPUnitFilesList('PHP_Invoker');
self::addDirectoryContainingClassToPHPUnitFilesList('PHP_Timer');
self::addDirectoryContainingClassToPHPUnitFilesList('PHP_Token');
self::addDirectoryContainingClassToPHPUnitFilesList('PHPUnit_Framework_TestCase', 2);
self::addDirectoryContainingClassToPHPUnitFilesList('PHPUnit_Extensions_Database_TestCase', 2);
self::addDirectoryContainingClassToPHPUnitFilesList('PHPUnit_Framework_MockObject_Generator', 2);
self::addDirectoryContainingClassToPHPUnitFilesList('PHPUnit_Extensions_SeleniumTestCase', 2);
self::addDirectoryContainingClassToPHPUnitFilesList('PHPUnit_Extensions_Story_TestCase', 2);
self::addDirectoryContainingClassToPHPUnitFilesList('Text_Template');
}
return self::$phpunitFiles;
}
/**
* @param string $className
* @param integer $parent
* @since Method available since Release 3.7.2
*/
protected static function addDirectoryContainingClassToPHPUnitFilesList($className, $parent = 1)
{
if (!class_exists($className)) {
return;
}
$reflector = new ReflectionClass($className);
$directory = $reflector->getFileName();
for ($i = 0; $i < $parent; $i++) {
$directory = dirname($directory);
}
$facade = new File_Iterator_Facade;
foreach ($facade->getFilesAsArray($directory, '.php') as $file) {
self::$phpunitFiles[$file] = TRUE;
}
}
}
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