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<?php
namespace MediaWiki\Session;
use Psr\Log\LoggerInterface;
use Wikimedia\TestingAccessWrapper;
/**
* Utility functions for Session unit tests
*/
class TestUtils {
/**
* Override the singleton for unit testing
* @param SessionManager|null $manager
* @return \\Wikimedia\ScopedCallback|null
*/
public static function setSessionManagerSingleton( SessionManager $manager = null ) {
session_write_close();
$rInstance = new \ReflectionProperty(
SessionManager::class, 'instance'
);
$rInstance->setAccessible( true );
$rGlobalSession = new \ReflectionProperty(
SessionManager::class, 'globalSession'
);
$rGlobalSession->setAccessible( true );
$rGlobalSessionRequest = new \ReflectionProperty(
SessionManager::class, 'globalSessionRequest'
);
$rGlobalSessionRequest->setAccessible( true );
$oldInstance = $rInstance->getValue();
$reset = [
[ $rInstance, $oldInstance ],
[ $rGlobalSession, $rGlobalSession->getValue() ],
[ $rGlobalSessionRequest, $rGlobalSessionRequest->getValue() ],
];
$rInstance->setValue( $manager );
$rGlobalSession->setValue( null );
$rGlobalSessionRequest->setValue( null );
if ( $manager && PHPSessionHandler::isInstalled() ) {
PHPSessionHandler::install( $manager );
}
return new \Wikimedia\ScopedCallback( function () use ( &$reset, $oldInstance ) {
foreach ( $reset as &$arr ) {
$arr[0]->setValue( $arr[1] );
}
if ( $oldInstance && PHPSessionHandler::isInstalled() ) {
PHPSessionHandler::install( $oldInstance );
}
} );
}
/**
* If you need a SessionBackend for testing but don't want to create a real
* one, use this.
* @return SessionBackend Unconfigured! Use reflection to set any private
* fields necessary.
*/
public static function getDummySessionBackend() {
$rc = new \ReflectionClass( SessionBackend::class );
if ( !method_exists( $rc, 'newInstanceWithoutConstructor' ) ) {
\PHPUnit_Framework_Assert::markTestSkipped(
'ReflectionClass::newInstanceWithoutConstructor isn\'t available'
);
}
$ret = $rc->newInstanceWithoutConstructor();
TestingAccessWrapper::newFromObject( $ret )->logger = new \TestLogger;
return $ret;
}
/**
* If you need a Session for testing but don't want to create a backend to
* construct one, use this.
* @param object|null $backend Object to serve as the SessionBackend
* @param int $index
* @param LoggerInterface|null $logger
* @return Session
*/
public static function getDummySession( $backend = null, $index = -1, $logger = null ) {
$rc = new \ReflectionClass( Session::class );
if ( !method_exists( $rc, 'newInstanceWithoutConstructor' ) ) {
\PHPUnit_Framework_Assert::markTestSkipped(
'ReflectionClass::newInstanceWithoutConstructor isn\'t available'
);
}
if ( $backend === null ) {
$backend = new DummySessionBackend;
}
$session = $rc->newInstanceWithoutConstructor();
$priv = TestingAccessWrapper::newFromObject( $session );
$priv->backend = $backend;
$priv->index = $index;
$priv->logger = $logger ?: new \TestLogger;
return $session;
}
}
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