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/>.

/**

 * External rating functions unit tests

 *

 * @package    core_rating

 * @category   external

 * @copyright  2015 Costantino Cito <ccito@cvaconsulting.com>

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

 */

namespace core_rating;

use core_external\external_api;

use core_rating_external;

use externallib_advanced_testcase;

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

global $CFG;

require_once($CFG->dirroot . '/webservice/tests/helpers.php');

require_once($CFG->dirroot . '/rating/lib.php');

/**

 * External rating functions unit tests

 *

 * @package    core_rating

 * @category   external

 * @copyright  2015 Costantino Cito <ccito@cvaconsulting.com>

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

 */

class externallib_test extends externallib_advanced_testcase {

    /** @var \stdClass course record. */

    protected $course;

    /** @var \stdClass user record. */

    protected $student1;

    /** @var \stdClass user record. */

    protected $teacher1;

    /** @var \stdClass user record. */

    protected $student2;

    /** @var \stdClass user record. */

    protected $teacher2;

    /** @var \stdClass user record. */

    protected $student3;

    /** @var \stdClass user record. */

    protected $teacher3;

    /** @var \stdClass activity record. */

    protected $forum;

    /** @var \stdClass activity record. */

    protected $discussion;

    /** @var int context instance ID. */

    protected $contextid;

    /** @var \stdClass forum post. */

    protected $post;

    /** @var \stdClass a fieldset object, false or exception if error not found. */

    protected $studentrole;

    /** @var \stdClass a fieldset object, false or exception if error not found. */

    protected $teacherrole;

    /*

     * Set up for every test

     */

    public function setUp(): void {

        global $DB;

        $this->resetAfterTest();

        $this->course = self::getDataGenerator()->create_course();

        $this->student1 = $this->getDataGenerator()->create_user();

        $this->student2 = $this->getDataGenerator()->create_user();

        $this->teacher1 = $this->getDataGenerator()->create_user();

        $this->teacher2 = $this->getDataGenerator()->create_user();

        $this->teacher3 = $this->getDataGenerator()->create_user();

        $this->studentrole = $DB->get_record('role', array('shortname' => 'student'));

        $this->teacherrole = $DB->get_record('role', array('shortname' => 'teacher'));

        unassign_capability('moodle/site:accessallgroups', $this->teacherrole->id);

        $this->getDataGenerator()->enrol_user($this->student1->id, $this->course->id, $this->studentrole->id);

        $this->getDataGenerator()->enrol_user($this->student2->id, $this->course->id, $this->studentrole->id);

        $this->getDataGenerator()->enrol_user($this->teacher1->id, $this->course->id, $this->teacherrole->id);

        $this->getDataGenerator()->enrol_user($this->teacher2->id, $this->course->id, $this->teacherrole->id);

        $this->getDataGenerator()->enrol_user($this->teacher3->id, $this->course->id, $this->teacherrole->id);

        // Create the forum.

        $record = new \stdClass();

        $record->introformat = FORMAT_HTML;

        $record->course = $this->course->id;

        // Set Aggregate type = Average of ratings.

        $record->assessed = RATING_AGGREGATE_AVERAGE;

        $record->scale = 100;

        $this->forum = self::getDataGenerator()->create_module('forum', $record);

        $this->contextid = \context_module::instance($this->forum->cmid)->id;

        // Add discussion to the forums.

        $record = new \stdClass();

        $record->course = $this->course->id;

        $record->userid = $this->student1->id;

        $record->forum = $this->forum->id;

        $this->discussion = self::getDataGenerator()->get_plugin_generator('mod_forum')->create_discussion($record);

        // Retrieve the first post.

        $this->post = $DB->get_record('forum_posts', array('discussion' => $this->discussion->id));

    }

    /**

     * Test get_item_ratings

     */

    public function test_get_item_ratings() {

        global $DB;

        // Rete the discussion as teacher1.

        $rating1 = new \stdClass();

        $rating1->contextid = $this->contextid;

        $rating1->component = 'mod_forum';

        $rating1->ratingarea = 'post';

        $rating1->itemid = $this->post->id;

        $rating1->rating = 90;

        $rating1->scaleid = 100;

        $rating1->userid = $this->teacher1->id;

        $rating1->timecreated = time();

        $rating1->timemodified = time();

        $rating1->id = $DB->insert_record('rating', $rating1);

        // Rete the discussion as teacher2.

        $rating2 = new \stdClass();

        $rating2->contextid = $this->contextid;

        $rating2->component = 'mod_forum';

        $rating2->ratingarea = 'post';

        $rating2->itemid = $this->post->id;

        $rating2->rating = 95;

        $rating2->scaleid = 100;

        $rating2->userid = $this->teacher2->id;

        $rating2->timecreated = time() + 1;

        $rating2->timemodified = time() + 1;

        $rating2->id = $DB->insert_record('rating', $rating2);

        // Delete teacher2, we must still receive the ratings.

        delete_user($this->teacher2);

        // Teachers can see all the ratings.

        $this->setUser($this->teacher1);

        $ratings = core_rating_external::get_item_ratings('module', $this->forum->cmid, 'mod_forum', 'post', $this->post->id, 100, '');

        // We need to execute the return values cleaning process to simulate the web service server.

        $ratings = external_api::clean_returnvalue(core_rating_external::get_item_ratings_returns(), $ratings);

        $this->assertCount(2, $ratings['ratings']);

        $indexedratings = array();

        foreach ($ratings['ratings'] as $rating) {

            $indexedratings[$rating['id']] = $rating;

        }

        $this->assertEquals($rating1->rating.' / '.$rating1->scaleid, $indexedratings[$rating1->id]['rating']);

        $this->assertEquals($rating2->rating.' / '.$rating2->scaleid, $indexedratings[$rating2->id]['rating']);

        $this->assertEquals($rating1->userid, $indexedratings[$rating1->id]['userid']);

        $this->assertEquals($rating2->userid, $indexedratings[$rating2->id]['userid']);

        // Student can see ratings.

        $this->setUser($this->student1);

        $ratings = core_rating_external::get_item_ratings('module', $this->forum->cmid, 'mod_forum', 'post', $this->post->id, 100, '');

        // We need to execute the return values cleaning process to simulate the web service server.

        $ratings = external_api::clean_returnvalue(core_rating_external::get_item_ratings_returns(), $ratings);

        $this->assertCount(2, $ratings['ratings']);

        // Invalid item.

        try {

            $ratings = core_rating_external::get_item_ratings('module', $this->forum->cmid, 'mod_forum', 'post', 0, 100, '');

            $this->fail('Exception expected due invalid itemid.');

        } catch (\moodle_exception $e) {

            $this->assertEquals('invalidrecord', $e->errorcode);

        }

        // Invalid area.

        try {

            $ratings = core_rating_external::get_item_ratings('module', $this->forum->cmid, 'mod_forum', 'xyz', $this->post->id, 100, '');

            $this->fail('Exception expected due invalid rating area.');

        } catch (\moodle_exception $e) {

            $this->assertEquals('invalidratingarea', $e->errorcode);

        }

        // Invalid context. invalid_parameter_exception.

        try {

            $ratings = core_rating_external::get_item_ratings('module', 0, 'mod_forum', 'post', $this->post->id, 100, '');

            $this->fail('Exception expected due invalid context.');

        } catch (\invalid_parameter_exception $e) {

            $this->assertEquals('invalidparameter', $e->errorcode);

        }

        // Test for groupmode.

        set_coursemodule_groupmode($this->forum->cmid, SEPARATEGROUPS);

        $group = $this->getDataGenerator()->create_group(array('courseid' => $this->course->id));

        groups_add_member($group, $this->teacher1);

        $this->discussion->groupid = $group->id;

        $DB->update_record('forum_discussions', $this->discussion);

        // Error for teacher3 and 2 ratings for teacher1 should be returned.

        $this->setUser($this->teacher1);

        $ratings = core_rating_external::get_item_ratings('module', $this->forum->cmid, 'mod_forum', 'post', $this->post->id, 100, '');

        // We need to execute the return values cleaning process to simulate the web service server.

        $ratings = external_api::clean_returnvalue(core_rating_external::get_item_ratings_returns(), $ratings);

        $this->assertCount(2, $ratings['ratings']);

        $this->setUser($this->teacher3);

        try {

            $ratings = core_rating_external::get_item_ratings('module', $this->forum->cmid, 'mod_forum', 'post', $this->post->id, 100, '');

            $this->fail('Exception expected due invalid group permissions.');

        } catch (\moodle_exception $e) {

            $this->assertEquals('noviewrate', $e->errorcode);

        }

    }

    /**

     * Test add_rating

     */

    public function test_add_rating() {

        $this->setUser($this->teacher1);

        // First rating of 50.

        $rating = core_rating_external::add_rating('module', $this->forum->cmid, 'mod_forum', 'post', $this->post->id, 100,

                                                    50, $this->student1->id, RATING_AGGREGATE_AVERAGE);

        // We need to execute the return values cleaning process to simulate the web service server.

        $rating = external_api::clean_returnvalue(core_rating_external::add_rating_returns(), $rating);

        $this->assertTrue($rating['success']);

        $this->assertEquals(50, $rating['aggregate']);

        $this->assertEquals(1, $rating['count']);

        // New different rate (it will replace the existing one).

        $rating = core_rating_external::add_rating('module', $this->forum->cmid, 'mod_forum', 'post', $this->post->id, 100,

                                                    100, $this->student1->id, RATING_AGGREGATE_AVERAGE);

        $rating = external_api::clean_returnvalue(core_rating_external::add_rating_returns(), $rating);

                $this->assertTrue($rating['success']);

        $this->assertEquals(100, $rating['aggregate']);

        $this->assertEquals(1, $rating['count']);

        // Rate as other user.

        $this->setUser($this->teacher2);

        $rating = core_rating_external::add_rating('module', $this->forum->cmid, 'mod_forum', 'post', $this->post->id, 100,

                                                    50, $this->student1->id, RATING_AGGREGATE_AVERAGE);

        $rating = external_api::clean_returnvalue(core_rating_external::add_rating_returns(), $rating);

        $this->assertEquals(75, $rating['aggregate']);

        $this->assertEquals(2, $rating['count']);

        // Try to rate my own post.

        $this->setUser($this->student1);

        $this->expectException('moodle_exception');

        $this->expectExceptionMessage(get_string('ratepermissiondenied', 'rating'));

        $rating = core_rating_external::add_rating('module', $this->forum->cmid, 'mod_forum', 'post', $this->post->id, 100,

                                                        100, $this->student1->id, RATING_AGGREGATE_AVERAGE);

    }

}