✏️ Editing: AclProviderBenchmarkTest.php Read Only

<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\Security\Acl\Tests\Dbal;

use Symfony\Component\Security\Acl\Dbal\AclProvider;
use Symfony\Component\Security\Acl\Domain\PermissionGrantingStrategy;
use Symfony\Component\Security\Acl\Domain\ObjectIdentity;
use Symfony\Component\Security\Acl\Dbal\Schema;
use Doctrine\DBAL\DriverManager;

/**
 * @group benchmark
 */
class AclProviderBenchmarkTest extends \PHPUnit_Framework_TestCase
{
    /** @var \Doctrine\DBAL\Connection */
    protected $con;
    protected $insertClassStmt;
    protected $insertSidStmt;
    protected $insertOidAncestorStmt;
    protected $insertOidStmt;
    protected $insertEntryStmt;

protected function setUp()
    {
        try {
            $this->con = DriverManager::getConnection(array(
                'driver' => 'pdo_mysql',
                'host' => 'localhost',
                'user' => 'root',
                'dbname' => 'testdb',
            ));
            $this->con->connect();
        } catch (\Exception $e) {
            $this->markTestSkipped('Unable to connect to the database: '.$e->getMessage());
        }
    }

protected function tearDown()
    {
        $this->con = null;
    }

public function testFindAcls()
    {
        // $this->generateTestData();

// get some random test object identities from the database
        $oids = array();
        $stmt = $this->con->executeQuery("SELECT object_identifier, class_type FROM acl_object_identities o INNER JOIN acl_classes c ON c.id = o.class_id ORDER BY RAND() LIMIT 25");
        foreach ($stmt->fetchAll() as $oid) {
            $oids[] = new ObjectIdentity($oid['object_identifier'], $oid['class_type']);
        }

$provider = $this->getProvider();

$start = microtime(true);
        $provider->findAcls($oids);
        $time = microtime(true) - $start;
        echo "Total Time: ".$time."s\n";
    }

/**
     * This generates a huge amount of test data to be used mainly for benchmarking
     * purposes, not so much for testing. That's why it's not called by default.
     */
    protected function generateTestData()
    {
        $sm = $this->con->getSchemaManager();
        $sm->dropAndCreateDatabase('testdb');
        $this->con->exec("USE testdb");

// import the schema
        $schema = new Schema($options = $this->getOptions());
        foreach ($schema->toSql($this->con->getDatabasePlatform()) as $sql) {
            $this->con->exec($sql);
        }

// setup prepared statements
        $this->insertClassStmt = $this->con->prepare('INSERT INTO acl_classes (id, class_type) VALUES (?, ?)');
        $this->insertSidStmt = $this->con->prepare('INSERT INTO acl_security_identities (id, identifier, username) VALUES (?, ?, ?)');
        $this->insertOidStmt = $this->con->prepare('INSERT INTO acl_object_identities (id, class_id, object_identifier, parent_object_identity_id, entries_inheriting) VALUES (?, ?, ?, ?, ?)');
        $this->insertEntryStmt = $this->con->prepare('INSERT INTO acl_entries (id, class_id, object_identity_id, field_name, ace_order, security_identity_id, mask, granting, granting_strategy, audit_success, audit_failure) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)');
        $this->insertOidAncestorStmt = $this->con->prepare('INSERT INTO acl_object_identity_ancestors (object_identity_id, ancestor_id) VALUES (?, ?)');

for ($i=0; $i<40000; $i++) {
            $this->generateAclHierarchy();
        }
    }

protected function generateAclHierarchy()
    {
        $rootId = $this->generateAcl($this->chooseClassId(), null, array());

$this->generateAclLevel(rand(1, 15), $rootId, array($rootId));
    }

protected function generateAclLevel($depth, $parentId, $ancestors)
    {
        $level = count($ancestors);
        for ($i=0,$t=rand(1, 10); $i<$t; $i++) {
            $id = $this->generateAcl($this->chooseClassId(), $parentId, $ancestors);

if ($level < $depth) {
                $this->generateAclLevel($depth, $id, array_merge($ancestors, array($id)));
            }
        }
    }

protected function chooseClassId()
    {
        static $id = 1000;

if ($id === 1000 || ($id < 1500 && rand(0, 1))) {
            $this->insertClassStmt->execute(array($id, $this->getRandomString(rand(20, 100), 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789\\_')));
            $id += 1;

return $id-1;
        } else {
            return rand(1000, $id-1);
        }
    }

protected function generateAcl($classId, $parentId, $ancestors)
    {
        static $id = 1000;

$this->insertOidStmt->execute(array(
            $id,
            $classId,
            $this->getRandomString(rand(20, 50)),
            $parentId,
            rand(0, 1),
        ));

$this->insertOidAncestorStmt->execute(array($id, $id));
        foreach ($ancestors as $ancestor) {
            $this->insertOidAncestorStmt->execute(array($id, $ancestor));
        }

$this->generateAces($classId, $id);
        $id += 1;

return $id-1;
    }

protected function chooseSid()
    {
        static $id = 1000;

if ($id === 1000 || ($id < 11000 && rand(0, 1))) {
            $this->insertSidStmt->execute(array(
                $id,
                $this->getRandomString(rand(5, 30)),
                rand(0, 1)
            ));
            $id += 1;

return $id-1;
        } else {
            return rand(1000, $id-1);
        }
    }

protected function generateAces($classId, $objectId)
    {
        static $id = 1000;

$sids = array();
        $fieldOrder = array();

for ($i=0; $i<=30; $i++) {
            $fieldName = rand(0, 1) ? null : $this->getRandomString(rand(10, 20));

do {
                $sid = $this->chooseSid();
            } while (array_key_exists($sid, $sids) && in_array($fieldName, $sids[$sid], true));

$fieldOrder[$fieldName] = array_key_exists($fieldName, $fieldOrder) ? $fieldOrder[$fieldName]+1 : 0;
            if (!isset($sids[$sid])) {
                $sids[$sid] = array();
            }
            $sids[$sid][] = $fieldName;

$strategy = rand(0, 2);
            if ($strategy === 0) {
                $strategy = PermissionGrantingStrategy::ALL;
            } elseif ($strategy === 1) {
                $strategy = PermissionGrantingStrategy::ANY;
            } else {
                $strategy = PermissionGrantingStrategy::EQUAL;
            }

// id, cid, oid, field, order, sid, mask, granting, strategy, a success, a failure
            $this->insertEntryStmt->execute(array(
                $id,
                $classId,
                rand(0, 5) ? $objectId : null,
                $fieldName,
                $fieldOrder[$fieldName],
                $sid,
                $this->generateMask(),
                rand(0, 1),
                $strategy,
                rand(0, 1),
                rand(0, 1),
            ));

$id += 1;
        }
    }

protected function generateMask()
    {
        $i = rand(1, 30);
        $mask = 0;

while ($i <= 30) {
            $mask |= 1 << rand(0, 30);
            $i++;
        }

return $mask;
    }

protected function getRandomString($length, $chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789')
    {
        $s = '';
        $cLength = strlen($chars);

while (strlen($s) < $length) {
            $s .= $chars[mt_rand(0, $cLength-1)];
        }

return $s;
    }

protected function getOptions()
    {
        return array(
            'oid_table_name' => 'acl_object_identities',
            'oid_ancestors_table_name' => 'acl_object_identity_ancestors',
            'class_table_name' => 'acl_classes',
            'sid_table_name' => 'acl_security_identities',
            'entry_table_name' => 'acl_entries',
        );
    }

protected function getStrategy()
    {
        return new PermissionGrantingStrategy();
    }

protected function getProvider()
    {
        return new AclProvider($this->con, $this->getStrategy(), $this->getOptions());
    }
}

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