Proyectos de Subversion Moodle

<?php

// This file is part of Moodle - http://moodle.org/

//

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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

// GNU General Public License for more details.

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namespace quizaccess_seb;

/**

 * PHPUnit Tests for config_key class.

 *

 * @package   quizaccess_seb

 * @author    Andrew Madden <andrewmadden@catalyst-au.net>

 * @copyright 2020 Catalyst IT

 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later

 * @covers    \quizaccess_seb\config_key

 */

class config_key_test extends \advanced_testcase {

    /**

     * Test that trying to generate the hash key with bad xml will result in an error.

     */

    public function test_config_key_not_generated_with_bad_xml(): void {

        $this->expectException(\invalid_parameter_exception::class);

        $this->expectExceptionMessage("Invalid a PList XML string, representing SEB config");

        config_key::generate("<?xml This is some bad xml for sure.");

    }

    /**

     * Test that a config key is generated with empty configuration. SEB would be using defaults for all settings.

     */

    public function test_config_key_hash_generated_with_empty_string(): void {

        $hash = config_key::generate('')->get_hash();

        $this->assertEquals('4f53cda18c2baa0c0354bb5f9a3ecbe5ed12ab4d8e11ba873c2f11161202b945', $hash);

    }

    /**

     * Test config key hash is derived correctly by Moodle.

     *

     * @param string $config The SEB config file name.

     * @param string $hash The correct config key hash for this file.

     *

     * @dataProvider real_ck_hash_provider

     */

    public function test_config_key_hash_is_derived_correctly($config, $hash): void {

        $xml = file_get_contents(__DIR__ . '/fixtures/' . $config);

        $derivedhash = config_key::generate($xml)->get_hash();

        $this->assertEquals($hash, $derivedhash);

    }

    /**

     * Check that the Config Key hash is not altered if the originatorVersion is present in the XML or not.

     */

    public function test_presence_of_originator_version_does_not_effect_hash(): void {

        $xmlwithoriginatorversion = file_get_contents(__DIR__ . '/fixtures/simpleunencrypted.seb');

        $xmlwithoutoriginatorversion = file_get_contents(__DIR__ . '/fixtures/simpleunencryptedwithoutoriginator.seb');

        $hashwithorigver = config_key::generate($xmlwithoriginatorversion)->get_hash();

        $hashwithoutorigver = config_key::generate($xmlwithoutoriginatorversion)->get_hash();

        $this->assertEquals($hashwithorigver, $hashwithoutorigver);

    }

    /**

     * Provide a seb file, the expected Config Key and a password if encrypted.

     *

     * @return array

     */

    public function real_ck_hash_provider(): array {

        return [

            'unencrypted_mac2.1.4' => ['unencrypted_mac_001.seb',

                    '4fa9af8ec8759eb7c680752ef4ee5eaf1a860628608fccae2715d519849f9292', ''],

            'unencrypted_win2.2.3' => ['unencrypted_win_223.seb',

                    '2534e4e9f3188f9f9133bf7cf7b4c5d898292bbd7e8d0230f39d1176636a1431', ''],

        ];

    }

}