<?php

/**
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; under version 2
 * of the License (non-upgradable).
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *
 * Copyright (c) 2008-2010 (original work) Deutsche Institut für Internationale Pädagogische Forschung (under the project TAO-TRANSFER);
 *               2009-2012 (update and modification) Public Research Centre Henri Tudor (under the project TAO-SUSTAIN & TAO-DEV);
 *
 */

error_reporting(E_ALL);

use oat\generis\test\TestCase;
use Prophecy\Prophet;
use oat\generis\model\user\AuthAdapter;

/**
 *
 * /**
 * Test class for Expression.
 */
class generis_test_UtilsTest extends TestCase
{
    public function testIsUri()
    {
        $toto = 'http://localhost/middleware/Rules.rdf#i122044076930844';
        $toto2 = 'j ai super fain';
        $toto3 = 'http://localhost/middleware/Rules.rdf';
        $this->assertTrue(common_Utils::isUri($toto));
        $this->assertFalse(common_Utils::isUri($toto2));
        $this->assertFalse(common_Utils::isUri($toto3));
    }

    public function testPhpStringEscaping()
    {
        // normal chars
        $utf = 'ÆýЉϿϫ˲ ˦ˈŒ\'"\\\\';
        $value = eval("return " . common_Utils::toPHPVariableString($utf) . ";");
        $this->assertEquals($utf, $value);

        // test binary safe
        $binaryString = $this->buildBinString();
        $value = eval("return " . common_Utils::toPHPVariableString($binaryString) . ";");
        $this->assertEquals($binaryString, $value);

        $all = '';
        for ($i = 0; $i <= 255; $i++) {
            $all .= chr($i);
        }
        $value = eval("return " . common_Utils::toPHPVariableString($all) . ";");
        $this->assertEquals($all, $value);
        
        $serialized = serialize(new stdClass());
        $value = eval("return " . common_Utils::toPHPVariableString($serialized) . ";");
        $this->assertEquals($serialized, $value);
    }

    public function testSerialisation()
    {
        $toSerialize = [
            'a' => "te\0st \\ ",
            'b' => new AuthAdapter(),
            'c' => [
                '1', '2', [common_user_auth_Service::singleton()]
            ],
            'd' => 'aaaaa' . PHP_EOL . 'bbbbb' . PHP_EOL . 'ccccc'
        ];
        $value = eval("return " . common_Utils::toPHPVariableString($toSerialize) . ";");
        $this->assertEquals($toSerialize, $value);

        $valueNice = eval("return " . common_Utils::toHumanReadablePhpString($toSerialize) . ";");
        $this->assertEquals($toSerialize, $valueNice);
    }

    private function buildBinString()
    {
        $position = pack('S', 0); // Q01
        $state = "\x01"; // INTERACTING
        $navigationMode = "\x00"; // LINEAR
        $submissionMode = "\x00"; // INDIVIDUAL
        $attempting = "\x00"; // false
        $hasItemSessionControl = "\x00"; // false
        $numAttempts = "\x02"; // 2
        $duration = pack('S', 4) . 'PT0S'; // 0 seconds recorded yet.
        $completionStatus = pack('S', 10) . 'incomplete';
        $timeReference = pack('l', 1378302030); //  Wednesday, September 4th 2013, 13:40:30 (GMT)
        $varCount = "\x02"; // 2 variables (SCORE & RESPONSE).

        $score = "\x01" . pack('S', 8) . "\x00" . "\x01" . pack('d', 1.0);
        $response = "\x00" . pack('S', 0) . "\x00" . "\x01" . pack('S', 7) . 'ChoiceA';

        return implode('', [$position, $state, $navigationMode, $submissionMode, $attempting, $hasItemSessionControl, $numAttempts, $duration, $completionStatus, $timeReference, $varCount, $score, $response]);
    }
}