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/>.

/**

 * Unit tests for (some of) mod/feedback/lib.php.

 *

 * @package    mod_feedback

 * @copyright  2016 Stephen Bourget

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

 */

namespace mod_feedback;

use mod_feedback_completion;

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

global $CFG;

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

/**

 * Unit tests for (some of) mod/feedback/lib.php.

 *

 * @copyright  2016 Stephen Bourget

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

 */

class lib_test extends \advanced_testcase {

    public function test_feedback_initialise() {

        $this->resetAfterTest();

        $this->setAdminUser();

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

        $params['course'] = $course->id;

        $params['timeopen'] = time() - 5 * MINSECS;

        $params['timeclose'] = time() + DAYSECS;

        $params['anonymous'] = 1;

        $params['intro'] = 'Some introduction text';

        $feedback = $this->getDataGenerator()->create_module('feedback', $params);

        // Test different ways to construct the structure object.

        $pseudocm = get_coursemodule_from_instance('feedback', $feedback->id); // Object similar to cm_info.

        $cm = get_fast_modinfo($course)->instances['feedback'][$feedback->id]; // Instance of cm_info.

        $constructorparams = [

            [$feedback, null],

            [null, $pseudocm],

            [null, $cm],

            [$feedback, $pseudocm],

            [$feedback, $cm],

        ];

        foreach ($constructorparams as $params) {

            $structure = new mod_feedback_completion($params[0], $params[1], 0);

            $this->assertTrue($structure->is_open());

            $this->assertTrue($structure->get_cm() instanceof \cm_info);

            $this->assertEquals($feedback->cmid, $structure->get_cm()->id);

            $this->assertEquals($feedback->intro, $structure->get_feedback()->intro);

        }

    }

    /**

     * Tests for mod_feedback_refresh_events.

     */

    public function test_feedback_refresh_events() {

        global $DB;

        $this->resetAfterTest();

        $this->setAdminUser();

        $timeopen = time();

        $timeclose = time() + 86400;

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

        $generator = $this->getDataGenerator()->get_plugin_generator('mod_feedback');

        $params['course'] = $course->id;

        $params['timeopen'] = $timeopen;

        $params['timeclose'] = $timeclose;

        $feedback = $generator->create_instance($params);

        $cm = get_coursemodule_from_instance('feedback', $feedback->id);

        $context = \context_module::instance($cm->id);

        // Normal case, with existing course.

        $this->assertTrue(feedback_refresh_events($course->id));

        $eventparams = array('modulename' => 'feedback', 'instance' => $feedback->id, 'eventtype' => 'open');

        $openevent = $DB->get_record('event', $eventparams, '*', MUST_EXIST);

        $this->assertEquals($openevent->timestart, $timeopen);

        $eventparams = array('modulename' => 'feedback', 'instance' => $feedback->id, 'eventtype' => 'close');

        $closeevent = $DB->get_record('event', $eventparams, '*', MUST_EXIST);

        $this->assertEquals($closeevent->timestart, $timeclose);

        // In case the course ID is passed as a numeric string.

        $this->assertTrue(feedback_refresh_events('' . $course->id));

        // Course ID not provided.

        $this->assertTrue(feedback_refresh_events());

        $eventparams = array('modulename' => 'feedback');

        $events = $DB->get_records('event', $eventparams);

        foreach ($events as $event) {

            if ($event->modulename === 'feedback' && $event->instance === $feedback->id && $event->eventtype === 'open') {

                $this->assertEquals($event->timestart, $timeopen);

            }

            if ($event->modulename === 'feedback' && $event->instance === $feedback->id && $event->eventtype === 'close') {

                $this->assertEquals($event->timestart, $timeclose);

            }

        }

    }

    /**

     * Test check_updates_since callback.

     */

    public function test_check_updates_since() {

        global $DB;

        $this->resetAfterTest();

        $this->setAdminUser();

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

        // Create user.

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

        // User enrolment.

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

        $this->getDataGenerator()->enrol_user($student->id, $course->id, $studentrole->id, 'manual');

        $this->setCurrentTimeStart();

        $record = array(

            'course' => $course->id,

            'custom' => 0,

            'feedback' => 1,

        );

        $feedback = $this->getDataGenerator()->create_module('feedback', $record);

        $cm = get_coursemodule_from_instance('feedback', $feedback->id, $course->id);

        $cm = \cm_info::create($cm);

        $this->setUser($student);

        // Check that upon creation, the updates are only about the new configuration created.

        $onehourago = time() - HOURSECS;

        $updates = feedback_check_updates_since($cm, $onehourago);

        foreach ($updates as $el => $val) {

            if ($el == 'configuration') {

                $this->assertTrue($val->updated);

                $this->assertTimeCurrent($val->timeupdated);

            } else {

                $this->assertFalse($val->updated);

            }

        }

        $record = [

            'feedback' => $feedback->id,

            'userid' => $student->id,

            'timemodified' => time(),

            'random_response' => 0,

            'anonymous_response' => FEEDBACK_ANONYMOUS_NO,

            'courseid' => $course->id,

        ];

        $DB->insert_record('feedback_completed', (object)$record);

        $DB->insert_record('feedback_completedtmp', (object)$record);

        // Check now for finished and unfinished attempts.

        $updates = feedback_check_updates_since($cm, $onehourago);

        $this->assertTrue($updates->attemptsunfinished->updated);

        $this->assertCount(1, $updates->attemptsunfinished->itemids);

        $this->assertTrue($updates->attemptsfinished->updated);

        $this->assertCount(1, $updates->attemptsfinished->itemids);

    }

    /**

     * Test calendar event provide action open.

     */

    public function test_feedback_core_calendar_provide_event_action_open() {

        $this->resetAfterTest();

        $this->setAdminUser();

        $now = time();

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

        $feedback = $this->getDataGenerator()->create_module('feedback', ['course' => $course->id,

                'timeopen' => $now - DAYSECS, 'timeclose' => $now + DAYSECS]);

        $event = $this->create_action_event($course->id, $feedback->id, FEEDBACK_EVENT_TYPE_OPEN);

        $factory = new \core_calendar\action_factory();

        $actionevent = mod_feedback_core_calendar_provide_event_action($event, $factory);

        $this->assertInstanceOf('\core_calendar\local\event\value_objects\action', $actionevent);

        $this->assertEquals(get_string('answerquestions', 'feedback'), $actionevent->get_name());

        $this->assertInstanceOf('moodle_url', $actionevent->get_url());

        $this->assertEquals(1, $actionevent->get_item_count());

        $this->assertTrue($actionevent->is_actionable());

    }

    /**

     * Test calendar event provide action open, viewed by a different user.

     */

    public function test_feedback_core_calendar_provide_event_action_open_for_user() {

        global $DB;

        $this->resetAfterTest();

        $this->setAdminUser();

        $now = time();

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

        $user2 = $this->getDataGenerator()->create_user();

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

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

        $this->getDataGenerator()->enrol_user($user->id, $course->id, $studentrole->id, 'manual');

        $feedback = $this->getDataGenerator()->create_module('feedback', ['course' => $course->id,

            'timeopen' => $now - DAYSECS, 'timeclose' => $now + DAYSECS]);

        $event = $this->create_action_event($course->id, $feedback->id, FEEDBACK_EVENT_TYPE_OPEN);

        $factory = new \core_calendar\action_factory();

        $this->setUser($user2);

        // User2 checking their events.

        $actionevent = mod_feedback_core_calendar_provide_event_action($event, $factory, $user2->id);

        $this->assertNull($actionevent);

        // User2 checking $user's events.

        $actionevent = mod_feedback_core_calendar_provide_event_action($event, $factory, $user->id);

        $this->assertInstanceOf('\core_calendar\local\event\value_objects\action', $actionevent);

        $this->assertEquals(get_string('answerquestions', 'feedback'), $actionevent->get_name());

        $this->assertInstanceOf('moodle_url', $actionevent->get_url());

        $this->assertEquals(1, $actionevent->get_item_count());

        $this->assertTrue($actionevent->is_actionable());

    }

    /**

     * Test calendar event provide action closed.

     */

    public function test_feedback_core_calendar_provide_event_action_closed() {

        $this->resetAfterTest();

        $this->setAdminUser();

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

        $feedback = $this->getDataGenerator()->create_module('feedback', array('course' => $course->id,

                'timeclose' => time() - DAYSECS));

        $event = $this->create_action_event($course->id, $feedback->id, FEEDBACK_EVENT_TYPE_OPEN);

        $factory = new \core_calendar\action_factory();

        $actionevent = mod_feedback_core_calendar_provide_event_action($event, $factory);

        // No event on the dashboard if feedback is closed.

        $this->assertNull($actionevent);

    }

    /**

     * Test calendar event provide action closed, viewed by a different user.

     */

    public function test_feedback_core_calendar_provide_event_action_closed_for_user() {

        global $DB;

        $this->resetAfterTest();

        $this->setAdminUser();

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

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

        $user2 = $this->getDataGenerator()->create_user();

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

        $this->getDataGenerator()->enrol_user($user->id, $course->id, $studentrole->id, 'manual');

        $feedback = $this->getDataGenerator()->create_module('feedback', array('course' => $course->id,

            'timeclose' => time() - DAYSECS));

        $event = $this->create_action_event($course->id, $feedback->id, FEEDBACK_EVENT_TYPE_OPEN);

        $factory = new \core_calendar\action_factory();

        $this->setUser($user2);

        // User2 checking their events.

        $actionevent = mod_feedback_core_calendar_provide_event_action($event, $factory, $user2->id);

        $this->assertNull($actionevent);

        // User2 checking $user's events.

        $actionevent = mod_feedback_core_calendar_provide_event_action($event, $factory, $user->id);

        // No event on the dashboard if feedback is closed.

        $this->assertNull($actionevent);

    }

    /**

     * Test calendar event action open in future.

     *

     * @throws coding_exception

     */

    public function test_feedback_core_calendar_provide_event_action_open_in_future() {

        $this->resetAfterTest();

        $this->setAdminUser();

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

        $feedback = $this->getDataGenerator()->create_module('feedback', ['course' => $course->id,

                'timeopen' => time() + DAYSECS]);

        $event = $this->create_action_event($course->id, $feedback->id, FEEDBACK_EVENT_TYPE_OPEN);

        $factory = new \core_calendar\action_factory();

        $actionevent = mod_feedback_core_calendar_provide_event_action($event, $factory);

        $this->assertInstanceOf('\core_calendar\local\event\value_objects\action', $actionevent);

        $this->assertEquals(get_string('answerquestions', 'feedback'), $actionevent->get_name());

        $this->assertInstanceOf('moodle_url', $actionevent->get_url());

        $this->assertEquals(1, $actionevent->get_item_count());

        $this->assertFalse($actionevent->is_actionable());

    }

    /**

     * Test calendar event action open in future, viewed by a different user.

     *

     * @throws coding_exception

     */

    public function test_feedback_core_calendar_provide_event_action_open_in_future_for_user() {

        global $DB;

        $this->resetAfterTest();

        $this->setAdminUser();

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

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

        $user2 = $this->getDataGenerator()->create_user();

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

        $this->getDataGenerator()->enrol_user($user->id, $course->id, $studentrole->id, 'manual');

        $feedback = $this->getDataGenerator()->create_module('feedback', ['course' => $course->id,

            'timeopen' => time() + DAYSECS]);

        $event = $this->create_action_event($course->id, $feedback->id, FEEDBACK_EVENT_TYPE_OPEN);

        $factory = new \core_calendar\action_factory();

        $this->setUser($user2);

        // User2 checking their events.

        $actionevent = mod_feedback_core_calendar_provide_event_action($event, $factory, $user2->id);

        $this->assertNull($actionevent);

        // User2 checking $user's events.

        $actionevent = mod_feedback_core_calendar_provide_event_action($event, $factory, $user->id);

        $this->assertInstanceOf('\core_calendar\local\event\value_objects\action', $actionevent);

        $this->assertEquals(get_string('answerquestions', 'feedback'), $actionevent->get_name());

        $this->assertInstanceOf('moodle_url', $actionevent->get_url());

        $this->assertEquals(1, $actionevent->get_item_count());

        $this->assertFalse($actionevent->is_actionable());

    }

    /**

     * Test calendar event with no time specified.

     *

     * @throws coding_exception

     */

    public function test_feedback_core_calendar_provide_event_action_no_time_specified() {

        $this->resetAfterTest();

        $this->setAdminUser();

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

        $feedback = $this->getDataGenerator()->create_module('feedback', ['course' => $course->id]);

        $event = $this->create_action_event($course->id, $feedback->id, FEEDBACK_EVENT_TYPE_OPEN);

        $factory = new \core_calendar\action_factory();

        $actionevent = mod_feedback_core_calendar_provide_event_action($event, $factory);

        $this->assertInstanceOf('\core_calendar\local\event\value_objects\action', $actionevent);

        $this->assertEquals(get_string('answerquestions', 'feedback'), $actionevent->get_name());

        $this->assertInstanceOf('moodle_url', $actionevent->get_url());

        $this->assertEquals(1, $actionevent->get_item_count());

        $this->assertTrue($actionevent->is_actionable());

    }

    /**

     * Test calendar event with no time specified, viewed by a different user.

     *

     * @throws coding_exception

     */

    public function test_feedback_core_calendar_provide_event_action_no_time_specified_for_user() {

        global $DB;

        $this->resetAfterTest();

        $this->setAdminUser();

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

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

        $user2 = $this->getDataGenerator()->create_user();

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

        $this->getDataGenerator()->enrol_user($user->id, $course->id, $studentrole->id, 'manual');

        $feedback = $this->getDataGenerator()->create_module('feedback', ['course' => $course->id]);

        $event = $this->create_action_event($course->id, $feedback->id, FEEDBACK_EVENT_TYPE_OPEN);

        $factory = new \core_calendar\action_factory();

        $this->setUser($user2);

        // User2 checking their events.

        $actionevent = mod_feedback_core_calendar_provide_event_action($event, $factory, $user2->id);

        $this->assertNull($actionevent);

        // User2 checking $user's events.

        $actionevent = mod_feedback_core_calendar_provide_event_action($event, $factory, $user->id);

        $this->assertInstanceOf('\core_calendar\local\event\value_objects\action', $actionevent);

        $this->assertEquals(get_string('answerquestions', 'feedback'), $actionevent->get_name());

        $this->assertInstanceOf('moodle_url', $actionevent->get_url());

        $this->assertEquals(1, $actionevent->get_item_count());

        $this->assertTrue($actionevent->is_actionable());

    }

    /**

     * A user that can not submit feedback should not have an action.

     */

    public function test_feedback_core_calendar_provide_event_action_can_not_submit() {

        global $DB;

        $this->resetAfterTest();

        $this->setAdminUser();

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

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

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

        $feedback = $this->getDataGenerator()->create_module('feedback', ['course' => $course->id]);

        $event = $this->create_action_event($course->id, $feedback->id, FEEDBACK_EVENT_TYPE_OPEN);

        $cm = get_coursemodule_from_instance('feedback', $feedback->id);

        $context = \context_module::instance($cm->id);

        $this->getDataGenerator()->enrol_user($user->id, $course->id, $studentrole->id, 'manual');

        $this->setUser($user);

        assign_capability('mod/feedback:complete', CAP_PROHIBIT, $studentrole->id, $context);

        $factory = new \core_calendar\action_factory();

        $action = mod_feedback_core_calendar_provide_event_action($event, $factory);

        $this->assertNull($action);

    }

    /**

     * A user that can not submit feedback should not have an action, viewed by a different user.

     */

    public function test_feedback_core_calendar_provide_event_action_can_not_submit_for_user() {

        global $DB;

        $this->resetAfterTest();

        $this->setAdminUser();

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

        $user2 = $this->getDataGenerator()->create_user();

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

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

        $feedback = $this->getDataGenerator()->create_module('feedback', ['course' => $course->id]);

        $event = $this->create_action_event($course->id, $feedback->id, FEEDBACK_EVENT_TYPE_OPEN);

        $cm = get_coursemodule_from_instance('feedback', $feedback->id);

        $context = \context_module::instance($cm->id);

        $this->getDataGenerator()->enrol_user($user->id, $course->id, $studentrole->id, 'manual');

        assign_capability('mod/feedback:complete', CAP_PROHIBIT, $studentrole->id, $context);

        $factory = new \core_calendar\action_factory();

        $this->setUser($user2);

        // User2 checking their events.

        $actionevent = mod_feedback_core_calendar_provide_event_action($event, $factory, $user2->id);

        $this->assertNull($actionevent);

        // User2 checking $user's events.

        $actionevent = mod_feedback_core_calendar_provide_event_action($event, $factory, $user->id);

        $this->assertNull($actionevent);

    }

    /**

     * A user that has already submitted feedback should not have an action.

     */

    public function test_feedback_core_calendar_provide_event_action_already_submitted() {

        global $DB;

        $this->resetAfterTest();

        $this->setAdminUser();

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

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

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

        $feedback = $this->getDataGenerator()->create_module('feedback', ['course' => $course->id]);

        $event = $this->create_action_event($course->id, $feedback->id, FEEDBACK_EVENT_TYPE_OPEN);

        $cm = get_coursemodule_from_instance('feedback', $feedback->id);

        $context = \context_module::instance($cm->id);

        $this->setUser($user);

        $record = [

            'feedback' => $feedback->id,

            'userid' => $user->id,

            'timemodified' => time(),

            'random_response' => 0,

            'anonymous_response' => FEEDBACK_ANONYMOUS_NO,

            'courseid' => 0,

        ];

        $DB->insert_record('feedback_completed', (object) $record);

        $factory = new \core_calendar\action_factory();

        $action = mod_feedback_core_calendar_provide_event_action($event, $factory);

        $this->assertNull($action);

    }

    /**

     * A user that has already submitted feedback should not have an action, viewed by a different user.

     */

    public function test_feedback_core_calendar_provide_event_action_already_submitted_for_user() {

        global $DB;

        $this->resetAfterTest();

        $this->setAdminUser();

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

        $user2 = $this->getDataGenerator()->create_user();

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

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

        $feedback = $this->getDataGenerator()->create_module('feedback', ['course' => $course->id]);

        $event = $this->create_action_event($course->id, $feedback->id, FEEDBACK_EVENT_TYPE_OPEN);

        $cm = get_coursemodule_from_instance('feedback', $feedback->id);

        $context = \context_module::instance($cm->id);

        $this->setUser($user);

        $record = [

            'feedback' => $feedback->id,

            'userid' => $user->id,

            'timemodified' => time(),

            'random_response' => 0,

            'anonymous_response' => FEEDBACK_ANONYMOUS_NO,

            'courseid' => 0,

        ];

        $DB->insert_record('feedback_completed', (object) $record);

        $factory = new \core_calendar\action_factory();

        $this->setUser($user2);

        // User2 checking their events.

        $actionevent = mod_feedback_core_calendar_provide_event_action($event, $factory, $user2->id);

        $this->assertNull($actionevent);

        // User2 checking $user's events.

        $actionevent = mod_feedback_core_calendar_provide_event_action($event, $factory, $user->id);

        $this->assertNull($actionevent);

    }

    public function test_feedback_core_calendar_provide_event_action_already_completed() {

        $this->resetAfterTest();

        set_config('enablecompletion', 1);

        $this->setAdminUser();

        // Create the activity.

        $course = $this->getDataGenerator()->create_course(array('enablecompletion' => 1));

        $feedback = $this->getDataGenerator()->create_module('feedback', array('course' => $course->id),

            array('completion' => 2, 'completionview' => 1, 'completionexpected' => time() + DAYSECS));

        // Get some additional data.

        $cm = get_coursemodule_from_instance('feedback', $feedback->id);

        // Create a calendar event.

        $event = $this->create_action_event($course->id, $feedback->id,

            \core_completion\api::COMPLETION_EVENT_TYPE_DATE_COMPLETION_EXPECTED);

        // Mark the activity as completed.

        $completion = new \completion_info($course);

        $completion->set_module_viewed($cm);

        // Create an action factory.

        $factory = new \core_calendar\action_factory();

        // Decorate action event.

        $actionevent = mod_feedback_core_calendar_provide_event_action($event, $factory);

        // Ensure result was null.

        $this->assertNull($actionevent);

    }

    public function test_feedback_core_calendar_provide_event_action_already_completed_for_user() {

        $this->resetAfterTest();

        set_config('enablecompletion', 1);

        $this->setAdminUser();

        // Create the activity.

        $course = $this->getDataGenerator()->create_course(array('enablecompletion' => 1));

        $feedback = $this->getDataGenerator()->create_module('feedback', array('course' => $course->id),

            array('completion' => 2, 'completionview' => 1, 'completionexpected' => time() + DAYSECS));

        // Enrol a student in the course.

        $student = $this->getDataGenerator()->create_and_enrol($course, 'student');

        // Get some additional data.

        $cm = get_coursemodule_from_instance('feedback', $feedback->id);

        // Create a calendar event.

        $event = $this->create_action_event($course->id, $feedback->id,

            \core_completion\api::COMPLETION_EVENT_TYPE_DATE_COMPLETION_EXPECTED);

        // Mark the activity as completed for the student.

        $completion = new \completion_info($course);

        $completion->set_module_viewed($cm, $student->id);

        // Create an action factory.

        $factory = new \core_calendar\action_factory();

        // Decorate action event for the student.

        $actionevent = mod_feedback_core_calendar_provide_event_action($event, $factory, $student->id);

        // Ensure result was null.

        $this->assertNull($actionevent);

    }

    /**

     * Creates an action event.

     *

     * @param int $courseid The course id.

     * @param int $instanceid The feedback id.

     * @param string $eventtype The event type. eg. FEEDBACK_EVENT_TYPE_OPEN.

     * @return bool|calendar_event

     */

    private function create_action_event($courseid, $instanceid, $eventtype) {

        $event = new \stdClass();

        $event->name = 'Calendar event';

        $event->modulename = 'feedback';

        $event->courseid = $courseid;

        $event->instance = $instanceid;

        $event->type = CALENDAR_EVENT_TYPE_ACTION;

        $event->eventtype = $eventtype;

        $event->timestart = time();

        return \calendar_event::create($event);

    }

    /**

     * Test the callback responsible for returning the completion rule descriptions.

     * This function should work given either an instance of the module (cm_info), such as when checking the active rules,

     * or if passed a stdClass of similar structure, such as when checking the the default completion settings for a mod type.

     */

    public function test_mod_feedback_completion_get_active_rule_descriptions() {

        $this->resetAfterTest();

        $this->setAdminUser();

        // Two activities, both with automatic completion. One has the 'completionsubmit' rule, one doesn't.

        $course = $this->getDataGenerator()->create_course(['enablecompletion' => 2]);

        $feedback1 = $this->getDataGenerator()->create_module('feedback', [

            'course' => $course->id,

            'completion' => 2,

            'completionsubmit' => 1

        ]);

        $feedback2 = $this->getDataGenerator()->create_module('feedback', [

            'course' => $course->id,

            'completion' => 2,

            'completionsubmit' => 0

        ]);

        $cm1 = \cm_info::create(get_coursemodule_from_instance('feedback', $feedback1->id));

        $cm2 = \cm_info::create(get_coursemodule_from_instance('feedback', $feedback2->id));

        // Data for the stdClass input type.

        // This type of input would occur when checking the default completion rules for an activity type, where we don't have

        // any access to cm_info, rather the input is a stdClass containing completion and customdata attributes, just like cm_info.

        $moddefaults = new \stdClass();

        $moddefaults->customdata = ['customcompletionrules' => ['completionsubmit' => 1]];

        $moddefaults->completion = 2;

        $activeruledescriptions = [get_string('completionsubmit', 'feedback')];

        $this->assertEquals(mod_feedback_get_completion_active_rule_descriptions($cm1), $activeruledescriptions);

        $this->assertEquals(mod_feedback_get_completion_active_rule_descriptions($cm2), []);

        $this->assertEquals(mod_feedback_get_completion_active_rule_descriptions($moddefaults), $activeruledescriptions);

        $this->assertEquals(mod_feedback_get_completion_active_rule_descriptions(new \stdClass()), []);

    }

    /**

     * An unknown event should not have min or max restrictions.

     */

    public function test_get_valid_event_timestart_range_unknown_event() {

        global $CFG, $DB;

        require_once($CFG->dirroot . "/calendar/lib.php");

        $this->resetAfterTest(true);

        $this->setAdminUser();

        $generator = $this->getDataGenerator();

        $course = $generator->create_course();

        $feedbackgenerator = $generator->get_plugin_generator('mod_feedback');

        $timeopen = time();

        $timeclose = $timeopen + DAYSECS;

        $feedback = $feedbackgenerator->create_instance(['course' => $course->id]);

        $feedback->timeopen = $timeopen;

        $feedback->timeclose = $timeclose;

        $DB->update_record('feedback', $feedback);

        $event = new \calendar_event([

            'name' => 'Test event',

            'description' => '',

            'format' => 1,

            'courseid' => $course->id,

            'groupid' => 0,

            'userid' => 2,

            'modulename' => 'feedback',

            'instance' => $feedback->id,

            'eventtype' => 'SOME UNKNOWN EVENT',

            'timestart' => $timeopen,

            'timeduration' => 86400,

            'visible' => 1

        ]);

        list($min, $max) = mod_feedback_core_calendar_get_valid_event_timestart_range($event, $feedback);

        $this->assertNull($min);

        $this->assertNull($max);

    }

    /**

     * A FEEDBACK_EVENT_TYPE_OPEN should have a max timestart equal to the activity

     * close time.

     */

    public function test_get_valid_event_timestart_range_event_type_open() {

        global $CFG, $DB;

        require_once($CFG->dirroot . "/calendar/lib.php");

        $this->resetAfterTest(true);

        $this->setAdminUser();

        $generator = $this->getDataGenerator();

        $course = $generator->create_course();

        $feedbackgenerator = $generator->get_plugin_generator('mod_feedback');

        $timeopen = time();

        $timeclose = $timeopen + DAYSECS;

        $feedback = $feedbackgenerator->create_instance(['course' => $course->id]);

        $feedback->timeopen = $timeopen;

        $feedback->timeclose = $timeclose;

        $DB->update_record('feedback', $feedback);

        $event = new \calendar_event([

            'name' => 'Test event',

            'description' => '',

            'format' => 1,

            'courseid' => $course->id,

            'groupid' => 0,

            'userid' => 2,

            'modulename' => 'feedback',

            'instance' => $feedback->id,

            'eventtype' => FEEDBACK_EVENT_TYPE_OPEN,

            'timestart' => $timeopen,

            'timeduration' => 86400,

            'visible' => 1

        ]);

        list($min, $max) = mod_feedback_core_calendar_get_valid_event_timestart_range($event, $feedback);

        $this->assertNull($min);

        $this->assertEquals($timeclose, $max[0]);

        $this->assertNotEmpty($max[1]);

    }

    /**

     * A FEEDBACK_EVENT_TYPE_OPEN should not have a max timestamp if the activity

     * doesn't have a close date.

     */

    public function test_get_valid_event_timestart_range_event_type_open_no_close() {

        global $CFG, $DB;

        require_once($CFG->dirroot . "/calendar/lib.php");

        $this->resetAfterTest(true);

        $this->setAdminUser();

        $generator = $this->getDataGenerator();

        $course = $generator->create_course();

        $feedbackgenerator = $generator->get_plugin_generator('mod_feedback');

        $timeopen = time();

        $timeclose = $timeopen + DAYSECS;

        $feedback = $feedbackgenerator->create_instance(['course' => $course->id]);

        $feedback->timeopen = $timeopen;

        $feedback->timeclose = 0;

        $DB->update_record('feedback', $feedback);

        $event = new \calendar_event([

            'name' => 'Test event',

            'description' => '',

            'format' => 1,

            'courseid' => $course->id,

            'groupid' => 0,

            'userid' => 2,

            'modulename' => 'feedback',

            'instance' => $feedback->id,

            'eventtype' => FEEDBACK_EVENT_TYPE_OPEN,

            'timestart' => $timeopen,

            'timeduration' => 86400,

            'visible' => 1

        ]);

        list($min, $max) = mod_feedback_core_calendar_get_valid_event_timestart_range($event, $feedback);

        $this->assertNull($min);

        $this->assertNull($max);

    }

    /**

     * A FEEDBACK_EVENT_TYPE_CLOSE should have a min timestart equal to the activity

     * open time.

     */

    public function test_get_valid_event_timestart_range_event_type_close() {

        global $CFG, $DB;

        require_once($CFG->dirroot . "/calendar/lib.php");

        $this->resetAfterTest(true);

        $this->setAdminUser();

        $generator = $this->getDataGenerator();

        $course = $generator->create_course();

        $feedbackgenerator = $generator->get_plugin_generator('mod_feedback');

        $timeopen = time();

        $timeclose = $timeopen + DAYSECS;

        $feedback = $feedbackgenerator->create_instance(['course' => $course->id]);

        $feedback->timeopen = $timeopen;

        $feedback->timeclose = $timeclose;

        $DB->update_record('feedback', $feedback);

        $event = new \calendar_event([

            'name' => 'Test event',

            'description' => '',

            'format' => 1,

            'courseid' => $course->id,

            'groupid' => 0,

            'userid' => 2,

            'modulename' => 'feedback',

            'instance' => $feedback->id,

            'eventtype' => FEEDBACK_EVENT_TYPE_CLOSE,

            'timestart' => $timeopen,

            'timeduration' => 86400,

            'visible' => 1

        ]);

        list($min, $max) = mod_feedback_core_calendar_get_valid_event_timestart_range($event, $feedback);

        $this->assertEquals($timeopen, $min[0]);

        $this->assertNotEmpty($min[1]);

        $this->assertNull($max);

    }

    /**

     * A FEEDBACK_EVENT_TYPE_CLOSE should not have a minimum timestamp if the activity

     * doesn't have an open date.

     */

    public function test_get_valid_event_timestart_range_event_type_close_no_open() {

        global $CFG, $DB;

        require_once($CFG->dirroot . "/calendar/lib.php");

        $this->resetAfterTest(true);

        $this->setAdminUser();

        $generator = $this->getDataGenerator();

        $course = $generator->create_course();

        $feedbackgenerator = $generator->get_plugin_generator('mod_feedback');

        $timeopen = time();

        $timeclose = $timeopen + DAYSECS;

        $feedback = $feedbackgenerator->create_instance(['course' => $course->id]);

        $feedback->timeopen = 0;

        $feedback->timeclose = $timeclose;

        $DB->update_record('feedback', $feedback);

        $event = new \calendar_event([

            'name' => 'Test event',

            'description' => '',

            'format' => 1,

            'courseid' => $course->id,

            'groupid' => 0,

            'userid' => 2,

            'modulename' => 'feedback',

            'instance' => $feedback->id,

            'eventtype' => FEEDBACK_EVENT_TYPE_CLOSE,

            'timestart' => $timeopen,

            'timeduration' => 86400,

            'visible' => 1

        ]);

        list($min, $max) = mod_feedback_core_calendar_get_valid_event_timestart_range($event, $feedback);

        $this->assertNull($min);

        $this->assertNull($max);

    }

    /**

     * An unkown event type should not change the feedback instance.

     */

    public function test_mod_feedback_core_calendar_event_timestart_updated_unknown_event() {

        global $CFG, $DB;

        require_once($CFG->dirroot . "/calendar/lib.php");

        $this->resetAfterTest(true);

        $this->setAdminUser();

        $generator = $this->getDataGenerator();

        $course = $generator->create_course();

        $feedbackgenerator = $generator->get_plugin_generator('mod_feedback');

        $timeopen = time();

        $timeclose = $timeopen + DAYSECS;

        $feedback = $feedbackgenerator->create_instance(['course' => $course->id]);

        $feedback->timeopen = $timeopen;

        $feedback->timeclose = $timeclose;

        $DB->update_record('feedback', $feedback);

        // Create a valid event.

        $event = new \calendar_event([

            'name' => 'Test event',

            'description' => '',

            'format' => 1,

            'courseid' => $course->id,

            'groupid' => 0,

            'userid' => 2,

            'modulename' => 'feedback',

            'instance' => $feedback->id,

            'eventtype' => FEEDBACK_EVENT_TYPE_OPEN . "SOMETHING ELSE",

            'timestart' => 1,

            'timeduration' => 86400,

            'visible' => 1

        ]);

        mod_feedback_core_calendar_event_timestart_updated($event, $feedback);

        $feedback = $DB->get_record('feedback', ['id' => $feedback->id]);

        $this->assertEquals($timeopen, $feedback->timeopen);

        $this->assertEquals($timeclose, $feedback->timeclose);

    }

    /**

     * A FEEDBACK_EVENT_TYPE_OPEN event should update the timeopen property of

     * the feedback activity.

     */

    public function test_mod_feedback_core_calendar_event_timestart_updated_open_event() {

        global $CFG, $DB;

        require_once($CFG->dirroot . "/calendar/lib.php");

        $this->resetAfterTest(true);

        $this->setAdminUser();

        $generator = $this->getDataGenerator();

        $course = $generator->create_course();

        $feedbackgenerator = $generator->get_plugin_generator('mod_feedback');

        $timeopen = time();

        $timeclose = $timeopen + DAYSECS;

        $timemodified = 1;

        $newtimeopen = $timeopen - DAYSECS;

        $feedback = $feedbackgenerator->create_instance(['course' => $course->id]);

        $feedback->timeopen = $timeopen;

        $feedback->timeclose = $timeclose;

        $feedback->timemodified = $timemodified;

        $DB->update_record('feedback', $feedback);

        // Create a valid event.

        $event = new \calendar_event([

            'name' => 'Test event',

            'description' => '',

            'format' => 1,

            'courseid' => $course->id,

            'groupid' => 0,

            'userid' => 2,

            'modulename' => 'feedback',

            'instance' => $feedback->id,

            'eventtype' => FEEDBACK_EVENT_TYPE_OPEN,

            'timestart' => $newtimeopen,

            'timeduration' => 86400,

            'visible' => 1

        ]);

        mod_feedback_core_calendar_event_timestart_updated($event, $feedback);

        $feedback = $DB->get_record('feedback', ['id' => $feedback->id]);

        // Ensure the timeopen property matches the event timestart.

        $this->assertEquals($newtimeopen, $feedback->timeopen);

        // Ensure the timeclose isn't changed.

        $this->assertEquals($timeclose, $feedback->timeclose);

        // Ensure the timemodified property has been changed.

        $this->assertNotEquals($timemodified, $feedback->timemodified);

    }

    /**

     * A FEEDBACK_EVENT_TYPE_CLOSE event should update the timeclose property of

     * the feedback activity.

     */

    public function test_mod_feedback_core_calendar_event_timestart_updated_close_event() {

        global $CFG, $DB;

        require_once($CFG->dirroot . "/calendar/lib.php");

        $this->resetAfterTest(true);

        $this->setAdminUser();

        $generator = $this->getDataGenerator();

        $course = $generator->create_course();

        $feedbackgenerator = $generator->get_plugin_generator('mod_feedback');

        $timeopen = time();

        $timeclose = $timeopen + DAYSECS;

        $timemodified = 1;

        $newtimeclose = $timeclose + DAYSECS;

        $feedback = $feedbackgenerator->create_instance(['course' => $course->id]);

        $feedback->timeopen = $timeopen;

        $feedback->timeclose = $timeclose;

        $feedback->timemodified = $timemodified;

        $DB->update_record('feedback', $feedback);

        // Create a valid event.

        $event = new \calendar_event([

            'name' => 'Test event',

            'description' => '',

            'format' => 1,

            'courseid' => $course->id,

            'groupid' => 0,

            'userid' => 2,

            'modulename' => 'feedback',

            'instance' => $feedback->id,

            'eventtype' => FEEDBACK_EVENT_TYPE_CLOSE,

            'timestart' => $newtimeclose,

            'timeduration' => 86400,

            'visible' => 1

        ]);

        mod_feedback_core_calendar_event_timestart_updated($event, $feedback);

        $feedback = $DB->get_record('feedback', ['id' => $feedback->id]);