Proyectos de Subversion Moodle

<?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/>.

/**

 * Test the convert helper.

 *

 * @package    core_backup

 * @category   test

 * @copyright  2010 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com}

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

 */

namespace core_backup;

use backup;

use convert_helper;

defined('MOODLE_INTERNAL') || die();

// Include all the needed stuff

global $CFG;

require_once($CFG->dirroot . '/backup/util/helper/convert_helper.class.php');

/**

 * Test the convert helper.

 *

 * @package    core_backup

 * @category   test

 * @copyright  2010 onwards Eloy Lafuente (stronk7) {@link http://stronk7.com}

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

 */

class converterhelper_test extends \basic_testcase {

    public function test_choose_conversion_path() {

        // no converters available

        $descriptions = array();

        $path = testable_convert_helper::choose_conversion_path(backup::FORMAT_MOODLE1, $descriptions);

        $this->assertEquals($path, array());

        // missing source and/or targets

        $descriptions = array(

            // some custom converter

            'exporter' => array(

                'from'  => backup::FORMAT_MOODLE1,

                'to'    => 'some_custom_format',

                'cost'  => 10,

            ),

            // another custom converter

            'converter' => array(

                'from'  => 'yet_another_crazy_custom_format',

                'to'    => backup::FORMAT_MOODLE,

                'cost'  => 10,

            ),

        );

        $path = testable_convert_helper::choose_conversion_path(backup::FORMAT_MOODLE1, $descriptions);

        $this->assertEquals($path, array());

        $path = testable_convert_helper::choose_conversion_path('some_other_custom_format', $descriptions);

        $this->assertEquals($path, array());

        // single step conversion

        $path = testable_convert_helper::choose_conversion_path('yet_another_crazy_custom_format', $descriptions);

        $this->assertEquals($path, array('converter'));

        // no conversion needed - this is supposed to be detected by the caller

        $path = testable_convert_helper::choose_conversion_path(backup::FORMAT_MOODLE, $descriptions);

        $this->assertEquals($path, array());

        // two alternatives

        $descriptions = array(

            // standard moodle 1.9 -> 2.x converter

            'moodle1' => array(

                'from'  => backup::FORMAT_MOODLE1,

                'to'    => backup::FORMAT_MOODLE,

                'cost'  => 10,

            ),

            // alternative moodle 1.9 -> 2.x converter

            'alternative' => array(

                'from'  => backup::FORMAT_MOODLE1,

                'to'    => backup::FORMAT_MOODLE,

                'cost'  => 8,

            )

        );

        $path = testable_convert_helper::choose_conversion_path(backup::FORMAT_MOODLE1, $descriptions);

        $this->assertEquals($path, array('alternative'));

        // complex case

        $descriptions = array(

            // standard moodle 1.9 -> 2.x converter

            'moodle1' => array(

                'from'  => backup::FORMAT_MOODLE1,

                'to'    => backup::FORMAT_MOODLE,

                'cost'  => 10,

            ),

            // alternative moodle 1.9 -> 2.x converter

            'alternative' => array(

                'from'  => backup::FORMAT_MOODLE1,

                'to'    => backup::FORMAT_MOODLE,

                'cost'  => 8,

            ),

            // custom converter from 1.9 -> custom 'CFv1' format

            'cc1' => array(

                'from'  => backup::FORMAT_MOODLE1,

                'to'    => 'CFv1',

                'cost'  => 2,

            ),

            // custom converter from custom 'CFv1' format -> moodle 2.0 format

            'cc2' => array(

                'from'  => 'CFv1',

                'to'    => backup::FORMAT_MOODLE,

                'cost'  => 5,

            ),

            // custom converter from CFv1 -> CFv2 format

            'cc3' => array(

                'from'  => 'CFv1',

                'to'    => 'CFv2',

                'cost'  => 2,

            ),

            // custom converter from CFv2 -> moodle 2.0 format

            'cc4' => array(

                'from'  => 'CFv2',

                'to'    => backup::FORMAT_MOODLE,

                'cost'  => 2,

            ),

        );

        // ask the helper to find the most effective way

        $path = testable_convert_helper::choose_conversion_path(backup::FORMAT_MOODLE1, $descriptions);

        $this->assertEquals($path, array('cc1', 'cc3', 'cc4'));

    }

}

/**

 * Provides access to the protected methods we need to test

 */

class testable_convert_helper extends convert_helper {

    public static function choose_conversion_path($format, array $descriptions) {

        return parent::choose_conversion_path($format, $descriptions);

    }

}