ÿØÿà JFIF 

  
 
  ÿÛ „ 	 ( %"1!%)+...383,7(-.+




-+++--++++---+-+-----+---------------+---+-++7-----ÿÀ  ß â
" 

ÿÄ   

           
 ÿÄ H 
     
 !1AQaq"‘¡2B±ÁÑð#R“Ò Tbr‚²á3csƒ’ÂñDS¢³$CÿÄ 
 


            
ÿÄ %

 
       
!1AQa"23‘ÿÚ 
  ? ôÿ ¨pŸªáÿ —åYõõ\?àÒü©ŠÄï¨pŸªáÿ —åYõõ\?àÓü©ŠÄá 0Ÿªáÿ Ÿå[úƒ	ú®ði~TÁb
qÐ8OÕpÿ ƒOò¤Oè`–RÂáœá™êi€ßÉ< FtŸI“öÌ8úDf´°å}“¾œ6
öFá°y¥jñÇh†ˆ¢ã/ÃÐ:ªcÈ
"Y¡ðÑl>ÿ ”ÏËte:qž\oäŠe÷󲍷˜HT4&ÿ ÓÐü6ö®¿øþßèô	Ÿ•7Ñi’•j|“ñì>b…þS?*Óôÿ ÓÐü*h¥£ír¶ü UãSç‚Ÿ[AÐaè[ûª•õ&õj?†Éö+EzP—WeÒírJFt	‘BŒ†Ï‡%#tE Øz ¥OÛ«!1›üä±Í™%º<!vB™'èÔ6´Ña¿«e`Àà0U[-ÂБ4)M÷YK*³hï÷%ÎÎkÇ«m‘-íWŽLsã?nÂ~«†üö®þ¡ÂlÃaÿ ‰ÿ l©°Õ¥ åÜá¿r ºL[Çâ°(Çè'Vãôl8´ÏRÀvLvPõ:…ÙNçF™÷ë>Íãö]°î(–:@<‹ŒÊö×òÆt¦ãº+‡¦%ÌÁ²h´OƒJŒtMÜ>ÀÜÊw3
Y´•牋4ǍýʏTì>œú=Íwhyë,¾Ôò×õ¿ßÊa»«þˆѪQ|%6ž™A	õ%:øj<>É—ÿ Å_ˆCbõ¥š±ý¯Ýƒï…¶|RëócÍf溪“t.СøTÿ *Ä¿-{†çàczůŽ_–^XþŒ±miB[X±d 1,é”zEù»&
î9gœf™9Ð'.;—™i}!ôšåîqêÛ٤ёý£½ÆA–àôe"A$˝Úsäÿ 
÷Û	#°xŸëí(l
	 »ý3—¥5m!
rt`†0~'j2(]S¦¦kv,ÚÇl¦øJA£Šƒ
J3E8ÙiŽ:cÉžúeZ°€¯\®kÖ(79«Ž:¯X”¾³Š&¡* ….‰Ž(ÜíŸ2¥ª‡×Hi²TF¤ò[¨íÈRëÉ䢍mgÑ.Ÿ<öäS0í„ǹÁU´f#Vß;Õ–…P@3ío<ä-±»Ž.L|kªÀê›fÂ6@»eu‚|ÓaÞÆŸ…¨ááå>åŠ?cKü6ùTÍÆ”†sĤÚ;H2RÚ†õ\Ö·Ÿn'¾ ñ#ºI¤Å´%çÁ­‚â7›‹qT3Iï¨Ö
Ú5I7Ë!ÅOóŸ¶øÝñØôת¦$Tcö‘[«Ö³šÒ';Aþ ¸èíg
A2Z
"i¸vdÄ÷.iõ®§)¿]¤À†–‡É&ä{V¶iŽ”.Ó×Õÿ û?h¬Mt–íª[ÿ Ñÿ ÌV(í}=ibÔ¡›¥¢±b
 Lô¥‡piη_Z<‡z§èŒ)iÖwiÇ 2hÙ3·=’d÷8éŽ1¦¸c¤µ€7›7Ø	ð\á)}	¹fËí›pAÃL%âc2 í§æQz¿;T8sæ°qø)QFMð‰XŒÂ±
N¢aF¨…8¯!U		Z©RÊ ÖPVÄÀÍin™Ì-GˆªÅËŠ›•zË}º±ŽÍFò¹}Uw×#ä5B¤{î}Ð<ÙD
é©¤&‡ïDbàÁôMÁ.<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle 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, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle 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 Moodle.  If not, see <http://www.gnu.org/licenses/>.

namespace core;

use environment_results;

/**
 * Moodle environment test.
 *
 * @package    core
 * @category   phpunit
 * @copyright  2013 Petr Skoda {@link http://skodak.org}
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
class environment_test extends \advanced_testcase {

    /**
     * Test the environment check status.
     */
    public function test_environment_check_status() {
        global $CFG;
        require_once($CFG->libdir.'/environmentlib.php');

        $results = check_moodle_environment(normalize_version($CFG->release), ENV_SELECT_RELEASE);

        // The first element of the results array contains the environment check status.
        $status = reset($results);
        $this->assertTrue($status);
    }

    /**
     * Data provider for Moodle environment check tests.
     *
     * @return array
     */
    public function environment_provider() {
        global $CFG;
        require_once($CFG->libdir.'/environmentlib.php');

        $results = check_moodle_environment(normalize_version($CFG->release), ENV_SELECT_RELEASE);
        // The second element of the results array contains the list of environment results.
        $environmentresults = end($results);
        return array_map(function($result) {
            return [$result];
        }, $environmentresults);
    }

    /**
     * Test the environment.
     *
     * @dataProvider environment_provider
     * @param environment_results $result
     */
    public function test_environment($result) {
        $sslmessages = ['ssl/tls configuration not supported', 'invalid ssl/tls configuration'];

        if ($result->part === 'php_setting'
                && $result->info === 'opcache.enable'
                && $result->getLevel() === 'optional'
                && $result->getStatus() === false) {
            $this->markTestSkipped('OPCache extension is not necessary for unit testing.');
        }

        if ($result->part === 'custom_check'
                && $result->getLevel() === 'optional'
                && $result->getStatus() === false) {
            if (in_array($result->info, $sslmessages)) {
                $this->markTestSkipped('Up-to-date TLS libraries are not necessary for unit testing.');
            }
            if ($result->info === 'php not 64 bits' && PHP_INT_SIZE == 4) {
                // If we're on a 32-bit system, skip 64-bit check. 32-bit PHP has PHP_INT_SIZE set to 4.
                $this->markTestSkipped('64-bit check is not necessary for unit testing.');
            }
            if ($result->info === 'oracle_database_usage') {
                // If we're on a system that uses the Oracle database, skip the Oracle check.
                $this->markTestSkipped('Oracle database check is not necessary for unit testing.');
            }
        }
        $info = "{$result->part}:{$result->info}";
        $this->assertTrue($result->getStatus(), "Problem detected in environment ($info), fix all warnings and errors!");
    }

    /**
     * Test the get_list_of_environment_versions() function.
     */
    public function test_get_list_of_environment_versions() {
        global $CFG;
        require_once($CFG->libdir.'/environmentlib.php');
        // Build a sample xmlised environment.xml.
        $xml = <<<END
<COMPATIBILITY_MATRIX>
    <MOODLE version="1.9">
        <PHP_EXTENSIONS>
            <PHP_EXTENSION name="xsl" level="required" />
        </PHP_EXTENSIONS>
    </MOODLE>
    <MOODLE version="2.5">
        <PHP_EXTENSIONS>
            <PHP_EXTENSION name="xsl" level="required" />
        </PHP_EXTENSIONS>
    </MOODLE>
    <MOODLE version="2.6">
        <PHP_EXTENSIONS>
            <PHP_EXTENSION name="xsl" level="required" />
        </PHP_EXTENSIONS>
    </MOODLE>
    <MOODLE version="2.7">
        <PHP_EXTENSIONS>
            <PHP_EXTENSION name="xsl" level="required" />
        </PHP_EXTENSIONS>
    </MOODLE>
    <PLUGIN name="block_test">
        <PHP_EXTENSIONS>
            <PHP_EXTENSION name="xsl" level="required" />
        </PHP_EXTENSIONS>
    </PLUGIN>
</COMPATIBILITY_MATRIX>
END;
        $environemt = xmlize($xml);
        $versions = get_list_of_environment_versions($environemt);
        $this->assertCount(5, $versions);
        $this->assertContains('1.9', $versions);
        $this->assertContains('2.5', $versions);
        $this->assertContains('2.6', $versions);
        $this->assertContains('2.7', $versions);
        $this->assertContains('all', $versions);
    }

    /**
     * Test the environment_verify_plugin() function.
     */
    public function test_verify_plugin() {
        global $CFG;
        require_once($CFG->libdir.'/environmentlib.php');
        // Build sample xmlised environment file fragments.
        $plugin1xml = <<<END
<PLUGIN name="block_testcase">
    <PHP_EXTENSIONS>
        <PHP_EXTENSION name="xsl" level="required" />
    </PHP_EXTENSIONS>
</PLUGIN>
END;
        $plugin1 = xmlize($plugin1xml);
        $plugin2xml = <<<END
<PLUGIN>
    <PHP_EXTENSIONS>
        <PHP_EXTENSION name="xsl" level="required" />
    </PHP_EXTENSIONS>
</PLUGIN>
END;
        $plugin2 = xmlize($plugin2xml);
        $this->assertTrue(environment_verify_plugin('block_testcase', $plugin1['PLUGIN']));
        $this->assertFalse(environment_verify_plugin('block_testcase', $plugin2['PLUGIN']));
        $this->assertFalse(environment_verify_plugin('mod_someother', $plugin1['PLUGIN']));
        $this->assertFalse(environment_verify_plugin('mod_someother', $plugin2['PLUGIN']));
    }

    /**
     * Test the restrict_php_version() function returns true if the current
     * PHP version is greater than the restricted version
     */
    public function test_restrict_php_version_greater_than_restricted_version() {
        global $CFG;
        require_once($CFG->libdir.'/environmentlib.php');

        $result = new environment_results('php');
        $delimiter = '.';
        // Get the current PHP version.
        $currentversion = explode($delimiter, normalize_version(phpversion()));
        // Lets drop back one major version to ensure we trip the restriction.
        $currentversion[0]--;
        $restrictedversion = implode($delimiter, $currentversion);

        // Make sure the status is true before the test to see it flip to false.
        $result->setStatus(true);

        $this->assertTrue(restrict_php_version($result, $restrictedversion),
            'restrict_php_version returns true if the current version exceeds the restricted version');
    }

    /**
     * Test the restrict_php_version() function returns true if the current
     * PHP version is equal to the restricted version
     */
    public function test_restrict_php_version_equal_to_restricted_version() {
        global $CFG;
        require_once($CFG->libdir.'/environmentlib.php');

        $result = new environment_results('php');
        // Get the current PHP version.
        $currentversion = normalize_version(phpversion());

        // Make sure the status is true before the test to see it flip to false.
        $result->setStatus(true);

        $this->assertTrue(restrict_php_version($result, $currentversion),
            'restrict_php_version returns true if the current version is equal to the restricted version');
    }

    /**
     * Test the restrict_php_version() function returns false if the current
     * PHP version is less than the restricted version
     */
    public function test_restrict_php_version_less_than_restricted_version() {
        global $CFG;
        require_once($CFG->libdir.'/environmentlib.php');

        $result = new environment_results('php');
        $delimiter = '.';
        // Get the current PHP version.
        $currentversion = explode($delimiter, normalize_version(phpversion()));
        // Lets increase the major version to ensure don't trip the restriction.
        $currentversion[0]++;
        $restrictedversion = implode($delimiter, $currentversion);

        // Make sure the status is true before the test to see it flip to false.
        $result->setStatus(true);

        $this->assertFalse(restrict_php_version($result, $restrictedversion),
            'restrict_php_version returns false if the current version is less than the restricted version');
    }
}