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/>.

use core_external\external_settings;

/**

 * Helper base class for external tests. Helpfull to test capabilities.

 *

 * @package    core_webservice

 * @copyright  2012 Jerome Mouneyrac

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

 */

abstract class externallib_advanced_testcase extends advanced_testcase {

    /**

     * Assign a capability to $USER

     * The function creates a student $USER if $USER->id is empty

     *

     * @param string $capability capability name

     * @param int|context $contextid

     * @param int $roleid

     * @return int the role id - mainly returned for creation, so calling function can reuse it

     */

    public static function assignUserCapability($capability, $contextid, $roleid = null) {

        global $USER;

        // Create a new student $USER if $USER doesn't exist

        if (empty($USER->id)) {

            $user  = self::getDataGenerator()->create_user();

            self::setUser($user);

        }

        if (empty($roleid)) {

            $roleid = create_role('Dummy role', 'dummyrole', 'dummy role description');

        }

        assign_capability($capability, CAP_ALLOW, $roleid, $contextid);

        role_assign($roleid, $USER->id, $contextid);

        accesslib_clear_all_caches_for_unit_testing();

        return $roleid;

    }

    /**

     * Configure some filters for external tests.

     *

     * @param array $filters Filters to enable. Each filter should contain:

     *                           - name: name of the filter.

     *                           - state: the state of the filter.

     *                           - move: -1 means up, 0 means the same, 1 means down.

     *                           - applytostrings: true to apply the filter to content and headings, false for just content.

     */

    public static function configure_filters($filters) {

        global $CFG;

        $filterstrings = false;

        // Enable the filters.

        foreach ($filters as $filter) {

            $filter = (array) $filter;

            filter_set_global_state($filter['name'], $filter['state'], $filter['move']);

            filter_set_applies_to_strings($filter['name'], $filter['applytostrings']);

            $filterstrings = $filterstrings || $filter['applytostrings'];

        }

        // Set WS filtering.

        $wssettings = external_settings::get_instance();

        $wssettings->set_filter(true);

        // Reset filter caches.

        $filtermanager = filter_manager::instance();

        $filtermanager->reset_caches();

        if ($filterstrings) {

            // Don't strip tags in strings.

            $CFG->formatstringstriptags = false;

        }

    }

    /**

     * Unassign a capability to $USER.

     *

     * @param string $capability capability name.

     * @param int $contextid set the context id if you used assignUserCapability.

     * @param int $roleid set the role id if you used assignUserCapability.

     * @param int $courseid set the course id if you used getDataGenerator->enrol_users.

     * @param string $enrol set the enrol plugin name if you used getDataGenerator->enrol_users with a different plugin than 'manual'.

     */

    public static function unassignUserCapability($capability, $contextid = null, $roleid = null, $courseid = null, $enrol = 'manual') {

        global $DB;

        if (!empty($courseid)) {

            // Retrieve the role id.

            $instances = $DB->get_records('enrol', array('courseid'=>$courseid, 'enrol'=>$enrol));

            if (count($instances) != 1) {

                 throw new coding_exception('No found enrol instance for courseid: ' . $courseid . ' and enrol: ' . $enrol);

            }

            $instance = reset($instances);

            if (is_null($roleid) and $instance->roleid) {

                $roleid = $instance->roleid;

            }

        } else {

            if (empty($contextid) or empty($roleid)) {

                throw new coding_exception('unassignUserCapaibility requires contextid/roleid or courseid');

            }

        }

        unassign_capability($capability, $roleid, $contextid);

        accesslib_clear_all_caches_for_unit_testing();

    }

}