<?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\Core\Tests\Authorization;

use PHPUnit\Framework\TestCase;
use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
use Symfony\Component\Security\Core\Authorization\AccessDecisionManager;
use Symfony\Component\Security\Core\Authorization\Voter\VoterInterface;
use Symfony\Component\Security\Core\Exception\LogicException;
use Symfony\Component\Security\Core\Tests\Authorization\Stub\VoterWithoutInterface;

class AccessDecisionManagerTest extends TestCase
{
    /**
     * @expectedException \InvalidArgumentException
     */
    public function testSetUnsupportedStrategy()
    {
        new AccessDecisionManager(array($this->getVoter(VoterInterface::ACCESS_GRANTED)), 'fooBar');
    }

    /**
     * @dataProvider getStrategyTests
     */
    public function testStrategies($strategy, $voters, $allowIfAllAbstainDecisions, $allowIfEqualGrantedDeniedDecisions, $expected)
    {
        $token = $this->getMockBuilder('Symfony\Component\Security\Core\Authentication\Token\TokenInterface')->getMock();
        $manager = new AccessDecisionManager($voters, $strategy, $allowIfAllAbstainDecisions, $allowIfEqualGrantedDeniedDecisions);

        $this->assertSame($expected, $manager->decide($token, array('ROLE_FOO')));
    }

    /**
     * @dataProvider getStrategiesWith2RolesTests
     */
    public function testStrategiesWith2Roles($token, $strategy, $voter, $expected)
    {
        $manager = new AccessDecisionManager(array($voter), $strategy);

        $this->assertSame($expected, $manager->decide($token, array('ROLE_FOO', 'ROLE_BAR')));
    }

    public function getStrategiesWith2RolesTests()
    {
        $token = $this->getMockBuilder('Symfony\Component\Security\Core\Authentication\Token\TokenInterface')->getMock();

        return array(
            array($token, 'affirmative', $this->getVoter(VoterInterface::ACCESS_DENIED), false),
            array($token, 'affirmative', $this->getVoter(VoterInterface::ACCESS_GRANTED), true),

            array($token, 'consensus', $this->getVoter(VoterInterface::ACCESS_DENIED), false),
            array($token, 'consensus', $this->getVoter(VoterInterface::ACCESS_GRANTED), true),

            array($token, 'unanimous', $this->getVoterFor2Roles($token, VoterInterface::ACCESS_DENIED, VoterInterface::ACCESS_DENIED), false),
            array($token, 'unanimous', $this->getVoterFor2Roles($token, VoterInterface::ACCESS_DENIED, VoterInterface::ACCESS_GRANTED), false),
            array($token, 'unanimous', $this->getVoterFor2Roles($token, VoterInterface::ACCESS_GRANTED, VoterInterface::ACCESS_DENIED), false),
            array($token, 'unanimous', $this->getVoterFor2Roles($token, VoterInterface::ACCESS_GRANTED, VoterInterface::ACCESS_GRANTED), true),
        );
    }

    protected function getVoterFor2Roles($token, $vote1, $vote2)
    {
        $voter = $this->getMockBuilder('Symfony\Component\Security\Core\Authorization\Voter\VoterInterface')->getMock();
        $voter->expects($this->any())
              ->method('vote')
              ->will($this->returnValueMap(array(
                  array($token, null, array('ROLE_FOO'), $vote1),
                  array($token, null, array('ROLE_BAR'), $vote2),
              )))
        ;

        return $voter;
    }

    public function getStrategyTests()
    {
        return array(
            // affirmative
            array(AccessDecisionManager::STRATEGY_AFFIRMATIVE, $this->getVoters(1, 0, 0), false, true, true),
            array(AccessDecisionManager::STRATEGY_AFFIRMATIVE, $this->getVoters(1, 2, 0), false, true, true),
            array(AccessDecisionManager::STRATEGY_AFFIRMATIVE, $this->getVoters(0, 1, 0), false, true, false),
            array(AccessDecisionManager::STRATEGY_AFFIRMATIVE, $this->getVoters(0, 0, 1), false, true, false),
            array(AccessDecisionManager::STRATEGY_AFFIRMATIVE, $this->getVoters(0, 0, 1), true, true, true),

            // consensus
            array(AccessDecisionManager::STRATEGY_CONSENSUS, $this->getVoters(1, 0, 0), false, true, true),
            array(AccessDecisionManager::STRATEGY_CONSENSUS, $this->getVoters(1, 2, 0), false, true, false),
            array(AccessDecisionManager::STRATEGY_CONSENSUS, $this->getVoters(2, 1, 0), false, true, true),

            array(AccessDecisionManager::STRATEGY_CONSENSUS, $this->getVoters(0, 0, 1), false, true, false),

            array(AccessDecisionManager::STRATEGY_CONSENSUS, $this->getVoters(0, 0, 1), true, true, true),

            array(AccessDecisionManager::STRATEGY_CONSENSUS, $this->getVoters(2, 2, 0), false, true, true),
            array(AccessDecisionManager::STRATEGY_CONSENSUS, $this->getVoters(2, 2, 1), false, true, true),

            array(AccessDecisionManager::STRATEGY_CONSENSUS, $this->getVoters(2, 2, 0), false, false, false),
            array(AccessDecisionManager::STRATEGY_CONSENSUS, $this->getVoters(2, 2, 1), false, false, false),

            // unanimous
            array(AccessDecisionManager::STRATEGY_UNANIMOUS, $this->getVoters(1, 0, 0), false, true, true),
            array(AccessDecisionManager::STRATEGY_UNANIMOUS, $this->getVoters(1, 0, 1), false, true, true),
            array(AccessDecisionManager::STRATEGY_UNANIMOUS, $this->getVoters(1, 1, 0), false, true, false),

            array(AccessDecisionManager::STRATEGY_UNANIMOUS, $this->getVoters(0, 0, 2), false, true, false),
            array(AccessDecisionManager::STRATEGY_UNANIMOUS, $this->getVoters(0, 0, 2), true, true, true),
        );
    }

    protected function getVoters($grants, $denies, $abstains)
    {
        $voters = array();
        for ($i = 0; $i < $grants; ++$i) {
            $voters[] = $this->getVoter(VoterInterface::ACCESS_GRANTED);
        }
        for ($i = 0; $i < $denies; ++$i) {
            $voters[] = $this->getVoter(VoterInterface::ACCESS_DENIED);
        }
        for ($i = 0; $i < $abstains; ++$i) {
            $voters[] = $this->getVoter(VoterInterface::ACCESS_ABSTAIN);
        }

        return $voters;
    }

    protected function getVoter($vote)
    {
        $voter = $this->getMockBuilder('Symfony\Component\Security\Core\Authorization\Voter\VoterInterface')->getMock();
        $voter->expects($this->any())
              ->method('vote')
              ->will($this->returnValue($vote));

        return $voter;
    }

    public function testVotingWrongTypeNoVoteMethod()
    {
        $exception = LogicException::class;
        $message = sprintf('stdClass should implement the %s interface when used as voter.', VoterInterface::class);

        if (method_exists($this, 'expectException')) {
            $this->expectException($exception);
            $this->expectExceptionMessage($message);
        } else {
            $this->setExpectedException($exception, $message);
        }

        $adm = new AccessDecisionManager(array(new \stdClass()));
        $token = $this->getMockBuilder(TokenInterface::class)->getMock();

        $adm->decide($token, array('TEST'));
    }

    /**
     * @group legacy
     * @expectedDeprecation Calling vote() on an voter without Symfony\Component\Security\Core\Authorization\Voter\VoterInterface is deprecated as of 3.4 and will be removed in 4.0. Implement the Symfony\Component\Security\Core\Authorization\Voter\VoterInterface on your voter.
     */
    public function testVotingWrongTypeWithVote()
    {
        $adm = new AccessDecisionManager(array(new VoterWithoutInterface()));
        $token = $this->getMockBuilder(TokenInterface::class)->getMock();

        $adm->decide($token, array('TEST'));
    }
}
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