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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 3.0.0
*/
/**
* Test helpers.
*
* @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 3.0.0
*/
class PHPUnit_Util_Test
{
const REGEX_DATA_PROVIDER = '/@dataProvider\s+([a-zA-Z0-9._:-\\\\x7f-\xff]+)/';
const REGEX_EXPECTED_EXCEPTION = '(@expectedException\s+([:.\w\\\\x7f-\xff]+)(?:[\t ]+(\S*))?(?:[\t ]+(\S*))?\s*$)m';
const REGEX_REQUIRES_VERSION = '/@requires\s+(?P<name>PHP(?:Unit)?)\s+(?P<value>[\d\.-]+(dev|(RC|alpha|beta)[\d\.])?)[ \t]*\r?$/m';
const REGEX_REQUIRES = '/@requires\s+(?P<name>function|extension)\s(?P<value>([^ ]+))\r?$/m';
const SMALL = 0;
const MEDIUM = 1;
const LARGE = 2;
private static $annotationCache = array();
protected static $templateMethods = array(
'setUp', 'assertPreConditions', 'assertPostConditions', 'tearDown'
);
/**
* @param PHPUnit_Framework_Test $test
* @param boolean $asString
* @return mixed
*/
public static function describe(PHPUnit_Framework_Test $test, $asString = TRUE)
{
if ($asString) {
if ($test instanceof PHPUnit_Framework_SelfDescribing) {
return $test->toString();
} else {
return get_class($test);
}
} else {
if ($test instanceof PHPUnit_Framework_TestCase) {
return array(
get_class($test), $test->getName()
);
}
else if ($test instanceof PHPUnit_Framework_SelfDescribing) {
return array('', $test->toString());
}
else {
return array('', get_class($test));
}
}
}
/**
* Returns the requirements for a test.
*
* @param string $className
* @param string $methodName
* @return array
* @since Method available since Release 3.6.0
*/
public static function getRequirements($className, $methodName)
{
$reflector = new ReflectionClass($className);
$docComment = $reflector->getDocComment();
$reflector = new ReflectionMethod($className, $methodName);
$docComment .= "\n" . $reflector->getDocComment();
$requires = array();
if ($count = preg_match_all(self::REGEX_REQUIRES_VERSION, $docComment, $matches)) {
for ($i = 0; $i < $count; $i++) {
$requires[$matches['name'][$i]] = $matches['value'][$i];
}
}
if ($count = preg_match_all(self::REGEX_REQUIRES, $docComment, $matches)) {
for ($i = 0; $i < $count; $i++) {
$name = $matches['name'][$i] . 's';
if (!isset($requires[$name])) {
$requires[$name] = array();
}
$requires[$name][] = $matches['value'][$i];
}
}
return $requires;
}
/**
* Returns the expected exception for a test.
*
* @param string $className
* @param string $methodName
* @return array
* @since Method available since Release 3.3.6
*/
public static function getExpectedException($className, $methodName)
{
$reflector = new ReflectionMethod($className, $methodName);
$docComment = $reflector->getDocComment();
$docComment = substr($docComment, 3, -2);
if (preg_match(self::REGEX_EXPECTED_EXCEPTION, $docComment, $matches)) {
$annotations = self::parseTestMethodAnnotations(
$className, $methodName
);
$class = $matches[1];
$code = NULL;
$message = '';
if (isset($matches[2])) {
$message = trim($matches[2]);
}
else if (isset($annotations['method']['expectedExceptionMessage'])) {
$message = self::_parseAnnotationContent(
$annotations['method']['expectedExceptionMessage'][0]
);
}
if (isset($matches[3])) {
$code = $matches[3];
}
else if (isset($annotations['method']['expectedExceptionCode'])) {
$code = self::_parseAnnotationContent(
$annotations['method']['expectedExceptionCode'][0]
);
}
if (is_numeric($code)) {
$code = (int)$code;
}
else if (is_string($code) && defined($code)) {
$code = (int)constant($code);
}
return array(
'class' => $class, 'code' => $code, 'message' => $message
);
}
return FALSE;
}
/**
* Parse annotation content to use constant/class constant values
*
* Constants are specified using a starting '@'. For example: @ClassName::CONST_NAME
*
* If the constant is not found the string is used as is to ensure maximum BC.
*
* @param string $message
* @return string
*/
protected static function _parseAnnotationContent($message)
{
if (strpos($message, '::') !== FALSE && count(explode('::', $message) == 2)) {
if (defined($message)) {
$message = constant($message);
}
}
return $message;
}
/**
* Returns the provided data for a method.
*
* @param string $className
* @param string $methodName
* @param string $docComment
* @return mixed array|Iterator when a data provider is specified and exists
* false when a data provider is specified and does not exist
* null when no data provider is specified
* @since Method available since Release 3.2.0
*/
public static function getProvidedData($className, $methodName)
{
$reflector = new ReflectionMethod($className, $methodName);
$docComment = $reflector->getDocComment();
$data = NULL;
if (preg_match(self::REGEX_DATA_PROVIDER, $docComment, $matches)) {
$dataProviderMethodNameNamespace = explode('\\', $matches[1]);
$leaf = explode('::', array_pop($dataProviderMethodNameNamespace));
$dataProviderMethodName = array_pop($leaf);
if (!empty($dataProviderMethodNameNamespace)) {
$dataProviderMethodNameNamespace = join('\\', $dataProviderMethodNameNamespace) . '\\';
} else {
$dataProviderMethodNameNamespace = '';
}
if (!empty($leaf)) {
$dataProviderClassName = $dataProviderMethodNameNamespace . array_pop($leaf);
} else {
$dataProviderClassName = $className;
}
$dataProviderClass = new ReflectionClass($dataProviderClassName);
$dataProviderMethod = $dataProviderClass->getMethod(
$dataProviderMethodName
);
if ($dataProviderMethod->isStatic()) {
$object = NULL;
} else {
$object = $dataProviderClass->newInstance();
}
if ($dataProviderMethod->getNumberOfParameters() == 0) {
$data = $dataProviderMethod->invoke($object);
} else {
$data = $dataProviderMethod->invoke($object, $methodName);
}
}
if ($data !== NULL) {
foreach ($data as $key => $value) {
if (!is_array($value)) {
throw new PHPUnit_Framework_Exception(
sprintf(
'Data set %s is invalid.',
is_int($key) ? '#' . $key : '"' . $key . '"'
)
);
}
}
}
return $data;
}
/**
* @param string $className
* @param string $methodName
* @return array
* @throws ReflectionException
* @since Method available since Release 3.4.0
*/
public static function parseTestMethodAnnotations($className, $methodName = '')
{
if (!isset(self::$annotationCache[$className])) {
$class = new ReflectionClass($className);
self::$annotationCache[$className] = self::parseAnnotations($class->getDocComment());
}
if (!empty($methodName) && !isset(self::$annotationCache[$className . '::' . $methodName])) {
try {
$method = new ReflectionMethod($className, $methodName);
$annotations = self::parseAnnotations($method->getDocComment());
} catch (ReflectionException $e) {
$annotations = array();
}
self::$annotationCache[$className . '::' . $methodName] = $annotations;
}
return array(
'class' => self::$annotationCache[$className],
'method' => !empty($methodName) ? self::$annotationCache[$className . '::' . $methodName] : array()
);
}
/**
* @param string $docblock
* @return array
* @since Method available since Release 3.4.0
*/
private static function parseAnnotations($docblock)
{
$annotations = array();
// Strip away the docblock header and footer to ease parsing of one line annotations
$docblock = substr($docblock, 3, -2);
if (preg_match_all('/@(?P<name>[A-Za-z_-]+)(?:[ \t]+(?P<value>.*?))?[ \t]*\r?$/m', $docblock, $matches)) {
$numMatches = count($matches[0]);
for ($i = 0; $i < $numMatches; ++$i) {
$annotations[$matches['name'][$i]][] = $matches['value'][$i];
}
}
return $annotations;
}
/**
* Returns the backup settings for a test.
*
* @param string $className
* @param string $methodName
* @return array
* @since Method available since Release 3.4.0
*/
public static function getBackupSettings($className, $methodName)
{
return array(
'backupGlobals' => self::getBooleanAnnotationSetting(
$className, $methodName, 'backupGlobals'
),
'backupStaticAttributes' => self::getBooleanAnnotationSetting(
$className, $methodName, 'backupStaticAttributes'
)
);
}
/**
* Returns the dependencies for a test class or method.
*
* @param string $className
* @param string $methodName
* @return array
* @since Method available since Release 3.4.0
*/
public static function getDependencies($className, $methodName)
{
$annotations = self::parseTestMethodAnnotations(
$className, $methodName
);
$dependencies = array();
if (isset($annotations['class']['depends'])) {
$dependencies = $annotations['class']['depends'];
}
if (isset($annotations['method']['depends'])) {
$dependencies = array_merge(
$dependencies, $annotations['method']['depends']
);
}
return array_unique($dependencies);
}
/**
* Returns the error handler settings for a test.
*
* @param string $className
* @param string $methodName
* @return boolean
* @since Method available since Release 3.4.0
*/
public static function getErrorHandlerSettings($className, $methodName)
{
return self::getBooleanAnnotationSetting(
$className, $methodName, 'errorHandler'
);
}
/**
* Returns the groups for a test class or method.
*
* @param string $className
* @param string $methodName
* @return array
* @since Method available since Release 3.2.0
*/
public static function getGroups($className, $methodName = '')
{
$annotations = self::parseTestMethodAnnotations(
$className, $methodName
);
$groups = array();
if (isset($annotations['method']['author'])) {
$groups = $annotations['method']['author'];
}
else if (isset($annotations['class']['author'])) {
$groups = $annotations['class']['author'];
}
if (isset($annotations['class']['group'])) {
$groups = array_merge($groups, $annotations['class']['group']);
}
if (isset($annotations['method']['group'])) {
$groups = array_merge($groups, $annotations['method']['group']);
}
if (isset($annotations['class']['ticket'])) {
$groups = array_merge($groups, $annotations['class']['ticket']);
}
if (isset($annotations['method']['ticket'])) {
$groups = array_merge($groups, $annotations['method']['ticket']);
}
foreach (array('small', 'medium', 'large') as $size) {
if (isset($annotations['method'][$size])) {
$groups[] = $size;
}
else if (isset($annotations['class'][$size])) {
$groups[] = $size;
}
}
return array_unique($groups);
}
/**
* Returns the size of the test.
*
* @param string $className
* @param string $methodName
* @return integer
* @since Method available since Release 3.6.0
*/
public static function getSize($className, $methodName)
{
$groups = array_flip(self::getGroups($className, $methodName));
$size = self::SMALL;
$class = new ReflectionClass($className);
if ((class_exists('PHPUnit_Extensions_Database_TestCase', FALSE) &&
$class->isSubclassOf('PHPUnit_Extensions_Database_TestCase')) ||
(class_exists('PHPUnit_Extensions_SeleniumTestCase', FALSE) &&
$class->isSubclassOf('PHPUnit_Extensions_SeleniumTestCase'))) {
$size = self::LARGE;
}
else if (isset($groups['medium'])) {
$size = self::MEDIUM;
}
else if (isset($groups['large'])) {
$size = self::LARGE;
}
return $size;
}
/**
* Returns the tickets for a test class or method.
*
* @param string $className
* @param string $methodName
* @return array
* @since Method available since Release 3.4.0
*/
public static function getTickets($className, $methodName)
{
$annotations = self::parseTestMethodAnnotations(
$className, $methodName
);
$tickets = array();
if (isset($annotations['class']['ticket'])) {
$tickets = $annotations['class']['ticket'];
}
if (isset($annotations['method']['ticket'])) {
$tickets = array_merge($tickets, $annotations['method']['ticket']);
}
return array_unique($tickets);
}
/**
* Returns the output buffering settings for a test.
*
* @param string $className
* @param string $methodName
* @return boolean
* @since Method available since Release 3.4.0
*/
public static function getOutputBufferingSettings($className, $methodName)
{
return self::getBooleanAnnotationSetting(
$className, $methodName, 'outputBuffering'
);
}
/**
* Returns the process isolation settings for a test.
*
* @param string $className
* @param string $methodName
* @return boolean
* @since Method available since Release 3.4.1
*/
public static function getProcessIsolationSettings($className, $methodName)
{
$annotations = self::parseTestMethodAnnotations(
$className, $methodName
);
if (isset($annotations['class']['runTestsInSeparateProcesses']) ||
isset($annotations['method']['runInSeparateProcess'])) {
return TRUE;
} else {
return FALSE;
}
}
/**
* Returns the preserve global state settings for a test.
*
* @param string $className
* @param string $methodName
* @return boolean
* @since Method available since Release 3.4.0
*/
public static function getPreserveGlobalStateSettings($className, $methodName)
{
return self::getBooleanAnnotationSetting(
$className, $methodName, 'preserveGlobalState'
);
}
/**
* @param string $className
* @param string $methodName
* @param string $settingName
* @return boolean
* @since Method available since Release 3.4.0
*/
private static function getBooleanAnnotationSetting($className, $methodName, $settingName)
{
$annotations = self::parseTestMethodAnnotations(
$className, $methodName
);
$result = NULL;
if (isset($annotations['class'][$settingName])) {
if ($annotations['class'][$settingName][0] == 'enabled') {
$result = TRUE;
}
else if ($annotations['class'][$settingName][0] == 'disabled') {
$result = FALSE;
}
}
if (isset($annotations['method'][$settingName])) {
if ($annotations['method'][$settingName][0] == 'enabled') {
$result = TRUE;
}
else if ($annotations['method'][$settingName][0] == 'disabled') {
$result = FALSE;
}
}
return $result;
}
}
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