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Name	Size	Permission	Date
behat	[ DIR ]	drwxr-sr-x	2017-06-22 15:51
fixtures	[ DIR ]	drwxr-sr-x	2017-06-22 15:52
other	[ DIR ]	drwxr-sr-x	2017-06-22 15:52
performance	[ DIR ]	drwxr-sr-x	2017-06-22 15:52
accesslib_test.php	155.23 KB	-rw-r--r--	2017-06-22 15:51
adhoc_task_test.php	3.6 KB	-rw-r--r--	2017-06-22 15:51
admintree_test.php	12.62 KB	-rw-r--r--	2017-06-22 15:51
ajaxlib_test.php	4.35 KB	-rw-r--r--	2017-06-22 15:51
antivirus_test.php	3.63 KB	-rw-r--r--	2017-06-22 15:51
authlib_test.php	11.49 KB	-rw-r--r--	2017-06-22 15:51
blocklib_test.php	24.65 KB	-rw-r--r--	2017-06-22 15:51
collator_test.php	11.98 KB	-rw-r--r--	2017-06-22 15:51
completionlib_test.php	37.83 KB	-rw-r--r--	2017-06-22 15:51
component_test.php	37.04 KB	-rw-r--r--	2017-06-22 15:51
componentlib_test.php	6.64 KB	-rw-r--r--	2017-06-22 15:51
configonlylib_test.php	6.15 KB	-rw-r--r--	2017-06-22 15:51
coursecatlib_test.php	39.89 KB	-rw-r--r--	2017-06-22 15:51
cronlib_test.php	6.44 KB	-rw-r--r--	2017-06-22 15:51
csslib_test.php	8.57 KB	-rw-r--r--	2017-06-22 15:51
csvclass_test.php	5.56 KB	-rw-r--r--	2017-06-22 15:51
curl_security_helper_test.php	12.96 KB	-rw-r--r--	2017-06-22 15:51
customcontext_test.php	3.66 KB	-rw-r--r--	2017-06-22 15:51
datalib_test.php	28.64 KB	-rw-r--r--	2017-06-22 15:51
datalib_update_with_unique_index_test.php	6.31 KB	-rw-r--r--	2017-06-22 15:51
date_legacy_test.php	13.9 KB	-rw-r--r--	2017-06-22 15:51
date_test.php	24.13 KB	-rw-r--r--	2017-06-22 15:51
editorlib_test.php	2.01 KB	-rw-r--r--	2017-06-22 15:51
environment_test.php	7.66 KB	-rw-r--r--	2017-06-22 15:51
event_course_module_instance_list_viewed.php	2.7 KB	-rw-r--r--	2017-06-22 15:51
event_course_module_viewed.php	3.31 KB	-rw-r--r--	2017-06-22 15:51
event_deprecated_test.php	1.49 KB	-rw-r--r--	2017-06-22 15:51
event_grade_deleted_test.php	3.25 KB	-rw-r--r--	2017-06-22 15:51
event_test.php	40.93 KB	-rw-r--r--	2017-06-22 15:51
event_unknown_logged_test.php	1.92 KB	-rw-r--r--	2017-06-22 15:51
event_user_graded_test.php	10.06 KB	-rw-r--r--	2017-06-22 15:51
event_user_password_updated_test.php	2.89 KB	-rw-r--r--	2017-06-22 15:51
events_test.php	15.29 KB	-rw-r--r--	2017-06-22 15:51
eventslib_test.php	11.8 KB	-rw-r--r--	2017-06-22 15:51
externallib_test.php	22.73 KB	-rw-r--r--	2017-06-22 15:51
filelib_test.php	50.67 KB	-rw-r--r--	2017-06-22 15:51
filetypes_test.php	9.99 KB	-rw-r--r--	2017-06-22 15:51
filter_manager_test.php	3.1 KB	-rw-r--r--	2017-06-22 15:51
filterlib_test.php	28.43 KB	-rw-r--r--	2017-06-22 15:51
formslib_test.php	39.82 KB	-rw-r--r--	2017-06-22 15:52
gdlib_test.php	5.91 KB	-rw-r--r--	2017-06-22 15:52
gradelib_test.php	2.05 KB	-rw-r--r--	2017-06-22 15:52
grades_externallib_test.php	20.79 KB	-rw-r--r--	2017-06-22 15:52
grading_externallib_test.php	26.27 KB	-rw-r--r--	2017-06-22 15:52
grouplib_test.php	62.33 KB	-rw-r--r--	2017-06-22 15:52
html2text_test.php	7.56 KB	-rw-r--r--	2017-06-22 15:52
html_writer_test.php	8.74 KB	-rw-r--r--	2017-06-22 15:52
htmlpurifier_test.php	21.25 KB	-rw-r--r--	2017-06-22 15:52
ip_utils_test.php	13.4 KB	-rw-r--r--	2017-06-22 15:52
jquery_test.php	1.77 KB	-rw-r--r--	2017-06-22 15:52
ldaplib_test.php	7.14 KB	-rw-r--r--	2017-06-22 15:52
lock_config_test.php	2.33 KB	-rw-r--r--	2017-06-22 15:52
lock_test.php	3.96 KB	-rw-r--r--	2017-06-22 15:52
markdown_test.php	2.2 KB	-rw-r--r--	2017-06-22 15:52
mathslib_test.php	8.14 KB	-rw-r--r--	2017-06-22 15:52
medialib_test.php	20.95 KB	-rw-r--r--	2017-06-22 15:52
message_test.php	10.32 KB	-rw-r--r--	2017-06-22 15:52
messageinbound_test.php	5.92 KB	-rw-r--r--	2017-06-22 15:52
messagelib_test.php	39.51 KB	-rw-r--r--	2017-06-22 15:52
minify_test.php	3.13 KB	-rw-r--r--	2017-06-22 15:52
modinfolib_test.php	44.04 KB	-rw-r--r--	2017-06-22 15:52
moodle_page_test.php	25.52 KB	-rw-r--r--	2017-06-22 15:52
moodlelib_test.php	153.62 KB	-rw-r--r--	2017-06-22 15:52
mustache_template_finder_test.php	3.35 KB	-rw-r--r--	2017-06-22 15:52
myprofilelib_test.php	10.7 KB	-rw-r--r--	2017-06-22 15:52
navigationlib_test.php	26.04 KB	-rw-r--r--	2017-06-22 15:52
notification_test.php	4.18 KB	-rw-r--r--	2017-06-22 15:52
outputcomponents_test.php	19.33 KB	-rw-r--r--	2017-06-22 15:52
outputfactories_test.php	6.8 KB	-rw-r--r--	2017-06-22 15:52
outputrequirementslib_test.php	4.05 KB	-rw-r--r--	2017-06-22 15:52
plugin_manager_test.php	22.2 KB	-rw-r--r--	2017-06-22 15:52
portfoliolib_test.php	8.41 KB	-rw-r--r--	2017-06-22 15:52
progress_display_test.php	3.68 KB	-rw-r--r--	2017-06-22 15:52
progress_test.php	14.5 KB	-rw-r--r--	2017-06-22 15:52
questionlib_test.php	19.87 KB	-rw-r--r--	2017-06-22 15:52
regex_test.php	1.88 KB	-rw-r--r--	2017-06-22 15:52
requirejs_test.php	3.7 KB	-rw-r--r--	2017-06-22 15:52
rsslib_test.php	6.7 KB	-rw-r--r--	2017-06-22 15:52
scheduled_task_test.php	19.09 KB	-rw-r--r--	2017-06-22 15:52
scss_test.php	2.53 KB	-rw-r--r--	2017-06-22 15:52
session_manager_test.php	25.54 KB	-rw-r--r--	2017-06-22 15:52
session_redis_test.php	10.77 KB	-rw-r--r--	2017-06-22 15:52
sessionlib_test.php	12.57 KB	-rw-r--r--	2017-06-22 15:52
setuplib_test.php	18.57 KB	-rw-r--r--	2017-06-22 15:52
statslib_test.php	24.88 KB	-rw-r--r--	2017-06-22 15:52
string_manager_standard_test.php	6.91 KB	-rw-r--r--	2017-06-22 15:52
tablelib_test.php	18.07 KB	-rw-r--r--	2017-06-22 15:52
text_test.php	20.06 KB	-rw-r--r--	2017-06-22 15:52
theme_config_test.php	7.45 KB	-rw-r--r--	2017-06-22 15:52
unoconv_test.php	4 KB	-rw-r--r--	2017-06-22 15:52
update_api_test.php	6.75 KB	-rw-r--r--	2017-06-22 15:52
update_checker_test.php	10.92 KB	-rw-r--r--	2017-06-22 15:52
update_code_manager_test.php	9.11 KB	-rw-r--r--	2017-06-22 15:52
update_validator_test.php	18.47 KB	-rw-r--r--	2017-06-22 15:52
upgrade_util_test.php	5.65 KB	-rw-r--r--	2017-06-22 15:52
upgradelib_test.php	43.23 KB	-rw-r--r--	2017-06-22 15:52
user_menu_test.php	3.73 KB	-rw-r--r--	2017-06-22 15:52
user_test.php	17.23 KB	-rw-r--r--	2017-06-22 15:52
useragent_test.php	79.88 KB	-rw-r--r--	2017-06-22 15:52
weblib_format_text_test.php	8.43 KB	-rw-r--r--	2017-06-22 15:52
weblib_test.php	27.29 KB	-rw-r--r--	2017-06-22 15:52
xhtml_container_stack_test.php	4.16 KB	-rw-r--r--	2017-06-22 15:52

Rename

<?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/>.

/**
 * This file contains the unittests for scheduled tasks.
 *
 * @package   core
 * @category  phpunit
 * @copyright 2013 Damyon Wiese
 * @license   http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

defined('MOODLE_INTERNAL') || die();
require_once(__DIR__ . '/fixtures/task_fixtures.php');

/**
 * Test class for scheduled task.
 *
 * @package core
 * @category task
 * @copyright 2013 Damyon Wiese
 * @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */
class core_scheduled_task_testcase extends advanced_testcase {

/**
     * Test the cron scheduling method
     */
    public function test_eval_cron_field() {
        $testclass = new \core\task\scheduled_test_task();

$this->assertEquals(20, count($testclass->eval_cron_field('*/3', 0, 59)));
        $this->assertEquals(31, count($testclass->eval_cron_field('1,*/2', 0, 59)));
        $this->assertEquals(15, count($testclass->eval_cron_field('1-10,5-15', 0, 59)));
        $this->assertEquals(13, count($testclass->eval_cron_field('1-10,5-15/2', 0, 59)));
        $this->assertEquals(3, count($testclass->eval_cron_field('1,2,3,1,2,3', 0, 59)));
        $this->assertEquals(1, count($testclass->eval_cron_field('-1,10,80', 0, 59)));
    }

public function test_get_next_scheduled_time() {
        global $CFG;
        $this->resetAfterTest();

$this->setTimezone('Europe/London');

// Test job run at 1 am.
        $testclass = new \core\task\scheduled_test_task();

// All fields default to '*'.
        $testclass->set_hour('1');
        $testclass->set_minute('0');
        // Next valid time should be 1am of the next day.
        $nexttime = $testclass->get_next_scheduled_time();

$oneamdate = new DateTime('now', new DateTimeZone('Europe/London'));
        $oneamdate->setTime(1, 0, 0);
        // Make it 1 am tomorrow if the time is after 1am.
        if ($oneamdate->getTimestamp() < time()) {
            $oneamdate->add(new DateInterval('P1D'));
        }
        $oneam = $oneamdate->getTimestamp();

$this->assertEquals($oneam, $nexttime, 'Next scheduled time is 1am.');

// Disabled flag does not affect next time.
        $testclass->set_disabled(true);
        $nexttime = $testclass->get_next_scheduled_time();
        $this->assertEquals($oneam, $nexttime, 'Next scheduled time is 1am.');

// Now test for job run every 10 minutes.
        $testclass = new \core\task\scheduled_test_task();

// All fields default to '*'.
        $testclass->set_minute('*/10');
        // Next valid time should be next 10 minute boundary.
        $nexttime = $testclass->get_next_scheduled_time();

$minutes = ((intval(date('i') / 10))+1) * 10;
        $nexttenminutes = mktime(date('H'), $minutes, 0);

$this->assertEquals($nexttenminutes, $nexttime, 'Next scheduled time is in 10 minutes.');

// Disabled flag does not affect next time.
        $testclass->set_disabled(true);
        $nexttime = $testclass->get_next_scheduled_time();
        $this->assertEquals($nexttenminutes, $nexttime, 'Next scheduled time is in 10 minutes.');

// Test hourly job executed on Sundays only.
        $testclass = new \core\task\scheduled_test_task();
        $testclass->set_minute('0');
        $testclass->set_day_of_week('7');

$nexttime = $testclass->get_next_scheduled_time();

$this->assertEquals(7, date('N', $nexttime));
        $this->assertEquals(0, date('i', $nexttime));

// Test monthly job
        $testclass = new \core\task\scheduled_test_task();
        $testclass->set_minute('32');
        $testclass->set_hour('0');
        $testclass->set_day('1');

$nexttime = $testclass->get_next_scheduled_time();

$this->assertEquals(32, date('i', $nexttime));
        $this->assertEquals(0, date('G', $nexttime));
        $this->assertEquals(1, date('j', $nexttime));
    }

public function test_timezones() {
        global $CFG, $USER;

// The timezones used in this test are chosen because they do not use DST - that would break the test.
        $this->resetAfterTest();

$this->setTimezone('Asia/Kabul');

$testclass = new \core\task\scheduled_test_task();

// Scheduled tasks should always use servertime - so this is 03:30 GMT.
        $testclass->set_hour('1');
        $testclass->set_minute('0');

// Next valid time should be 1am of the next day.
        $nexttime = $testclass->get_next_scheduled_time();

// GMT+05:45.
        $USER->timezone = 'Asia/Kathmandu';
        $userdate = userdate($nexttime);

// Should be displayed in user timezone.
        // I used http://www.timeanddate.com/worldclock/fixedtime.html?msg=Moodle+Test&iso=20160502T01&p1=113
        // setting my location to Kathmandu to verify this time.
        $this->assertContains('2:15 AM', core_text::strtoupper($userdate));
    }

public function test_reset_scheduled_tasks_for_component() {
        global $DB;

$this->resetAfterTest(true);
        // Remember the defaults.
        $defaulttasks = \core\task\manager::load_scheduled_tasks_for_component('moodle');
        $initcount = count($defaulttasks);
        // Customise a task.
        $firsttask = reset($defaulttasks);
        $firsttask->set_minute('1');
        $firsttask->set_hour('2');
        $firsttask->set_month('3');
        $firsttask->set_day_of_week('4');
        $firsttask->set_day('5');
        $firsttask->set_customised('1');
        \core\task\manager::configure_scheduled_task($firsttask);
        $firsttaskrecord = \core\task\manager::record_from_scheduled_task($firsttask);
        // We reset this field, because we do not want to compare it.
        $firsttaskrecord->nextruntime = '0';

// Delete a task to simulate the fact that its new.
        $secondtask = next($defaulttasks);
        $DB->delete_records('task_scheduled', array('classname' => '\\' . trim(get_class($secondtask), '\\')));
        $this->assertFalse(\core\task\manager::get_scheduled_task(get_class($secondtask)));

// Edit a task to simulate a change in its definition (as if it was not customised).
        $thirdtask = next($defaulttasks);
        $thirdtask->set_minute('1');
        $thirdtask->set_hour('2');
        $thirdtask->set_month('3');
        $thirdtask->set_day_of_week('4');
        $thirdtask->set_day('5');
        $thirdtaskbefore = \core\task\manager::get_scheduled_task(get_class($thirdtask));
        $thirdtaskbefore->set_next_run_time(null);      // Ignore this value when comparing.
        \core\task\manager::configure_scheduled_task($thirdtask);
        $thirdtask = \core\task\manager::get_scheduled_task(get_class($thirdtask));
        $thirdtask->set_next_run_time(null);            // Ignore this value when comparing.
        $this->assertNotEquals($thirdtaskbefore, $thirdtask);

// Now call reset on all the tasks.
        \core\task\manager::reset_scheduled_tasks_for_component('moodle');

// Load the tasks again.
        $defaulttasks = \core\task\manager::load_scheduled_tasks_for_component('moodle');
        $finalcount = count($defaulttasks);
        // Compare the first task.
        $newfirsttask = reset($defaulttasks);
        $newfirsttaskrecord = \core\task\manager::record_from_scheduled_task($newfirsttask);
        // We reset this field, because we do not want to compare it.
        $newfirsttaskrecord->nextruntime = '0';

// Assert a customised task was not altered by reset.
        $this->assertEquals($firsttaskrecord, $newfirsttaskrecord);

// Assert that the second task was added back.
        $secondtaskafter = \core\task\manager::get_scheduled_task(get_class($secondtask));
        $secondtaskafter->set_next_run_time(null);   // Do not compare the nextruntime.
        $secondtask->set_next_run_time(null);
        $this->assertEquals($secondtask, $secondtaskafter);

// Assert that the third task edits were overridden.
        $thirdtaskafter = \core\task\manager::get_scheduled_task(get_class($thirdtask));
        $thirdtaskafter->set_next_run_time(null);
        $this->assertEquals($thirdtaskbefore, $thirdtaskafter);

// Assert we have the same number of tasks.
        $this->assertEquals($initcount, $finalcount);
    }

/**
     * Tests that the reset function deletes old tasks.
     */
    public function test_reset_scheduled_tasks_for_component_delete() {
        global $DB;
        $this->resetAfterTest(true);

$count = $DB->count_records('task_scheduled', array('component' => 'moodle'));
        $allcount = $DB->count_records('task_scheduled');

$task = new \core\task\scheduled_test_task();
        $task->set_component('moodle');
        $record = \core\task\manager::record_from_scheduled_task($task);
        $DB->insert_record('task_scheduled', $record);
        $this->assertTrue($DB->record_exists('task_scheduled', array('classname' => '\core\task\scheduled_test_task',
            'component' => 'moodle')));

$task = new \core\task\scheduled_test2_task();
        $task->set_component('moodle');
        $record = \core\task\manager::record_from_scheduled_task($task);
        $DB->insert_record('task_scheduled', $record);
        $this->assertTrue($DB->record_exists('task_scheduled', array('classname' => '\core\task\scheduled_test2_task',
            'component' => 'moodle')));

$aftercount = $DB->count_records('task_scheduled', array('component' => 'moodle'));
        $afterallcount = $DB->count_records('task_scheduled');

$this->assertEquals($count + 2, $aftercount);
        $this->assertEquals($allcount + 2, $afterallcount);

// Now check that the right things were deleted.
        \core\task\manager::reset_scheduled_tasks_for_component('moodle');

$this->assertEquals($count, $DB->count_records('task_scheduled', array('component' => 'moodle')));
        $this->assertEquals($allcount, $DB->count_records('task_scheduled'));
        $this->assertFalse($DB->record_exists('task_scheduled', array('classname' => '\core\task\scheduled_test2_task',
            'component' => 'moodle')));
        $this->assertFalse($DB->record_exists('task_scheduled', array('classname' => '\core\task\scheduled_test_task',
            'component' => 'moodle')));
    }

public function test_get_next_scheduled_task() {
        global $DB;

$this->resetAfterTest(true);
        // Delete all existing scheduled tasks.
        $DB->delete_records('task_scheduled');
        // Add a scheduled task.

// A task that runs once per hour.
        $record = new stdClass();
        $record->blocking = true;
        $record->minute = '0';
        $record->hour = '0';
        $record->dayofweek = '*';
        $record->day = '*';
        $record->month = '*';
        $record->component = 'test_scheduled_task';
        $record->classname = '\core\task\scheduled_test_task';

$DB->insert_record('task_scheduled', $record);
        // And another one to test failures.
        $record->classname = '\core\task\scheduled_test2_task';
        $DB->insert_record('task_scheduled', $record);
        // And disabled test.
        $record->classname = '\core\task\scheduled_test3_task';
        $record->disabled = 1;
        $DB->insert_record('task_scheduled', $record);

$now = time();

// Should get handed the first task.
        $task = \core\task\manager::get_next_scheduled_task($now);
        $this->assertInstanceOf('\core\task\scheduled_test_task', $task);
        $task->execute();

\core\task\manager::scheduled_task_complete($task);
        // Should get handed the second task.
        $task = \core\task\manager::get_next_scheduled_task($now);
        $this->assertInstanceOf('\core\task\scheduled_test2_task', $task);
        $task->execute();

\core\task\manager::scheduled_task_failed($task);
        // Should not get any task.
        $task = \core\task\manager::get_next_scheduled_task($now);
        $this->assertNull($task);

// Should get the second task (retry after delay).
        $task = \core\task\manager::get_next_scheduled_task($now + 120);
        $this->assertInstanceOf('\core\task\scheduled_test2_task', $task);
        $task->execute();

\core\task\manager::scheduled_task_complete($task);

// Should not get any task.
        $task = \core\task\manager::get_next_scheduled_task($now);
        $this->assertNull($task);

// Check ordering.
        $DB->delete_records('task_scheduled');
        $record->lastruntime = 2;
        $record->disabled = 0;
        $record->classname = '\core\task\scheduled_test_task';
        $DB->insert_record('task_scheduled', $record);

$record->lastruntime = 1;
        $record->classname = '\core\task\scheduled_test2_task';
        $DB->insert_record('task_scheduled', $record);

// Should get handed the second task.
        $task = \core\task\manager::get_next_scheduled_task($now);
        $this->assertInstanceOf('\core\task\scheduled_test2_task', $task);
        $task->execute();
        \core\task\manager::scheduled_task_complete($task);

// Should not get any task.
        $task = \core\task\manager::get_next_scheduled_task($now);
        $this->assertNull($task);
    }

public function test_get_broken_scheduled_task() {
        global $DB;

$this->resetAfterTest(true);
        // Delete all existing scheduled tasks.
        $DB->delete_records('task_scheduled');
        // Add a scheduled task.

// A broken task that runs all the time.
        $record = new stdClass();
        $record->blocking = true;
        $record->minute = '*';
        $record->hour = '*';
        $record->dayofweek = '*';
        $record->day = '*';
        $record->month = '*';
        $record->component = 'test_scheduled_task';
        $record->classname = '\core\task\scheduled_test_task_broken';

$DB->insert_record('task_scheduled', $record);

$now = time();
        // Should not get any task.
        $task = \core\task\manager::get_next_scheduled_task($now);
        $this->assertDebuggingCalled();
        $this->assertNull($task);
    }

/**
     * Tests the use of 'R' syntax in time fields of tasks to get
     * tasks be configured with a non-uniform time.
     */
    public function test_random_time_specification() {

// Testing non-deterministic things in a unit test is not really
        // wise, so we just test the values have changed within allowed bounds.
        $testclass = new \core\task\scheduled_test_task();

// The test task defaults to '*'.
        $this->assertInternalType('string', $testclass->get_minute());
        $this->assertInternalType('string', $testclass->get_hour());

// Set a random value.
        $testclass->set_minute('R');
        $testclass->set_hour('R');
        $testclass->set_day_of_week('R');

// Verify the minute has changed within allowed bounds.
        $minute = $testclass->get_minute();
        $this->assertInternalType('int', $minute);
        $this->assertGreaterThanOrEqual(0, $minute);
        $this->assertLessThanOrEqual(59, $minute);

// Verify the hour has changed within allowed bounds.
        $hour = $testclass->get_hour();
        $this->assertInternalType('int', $hour);
        $this->assertGreaterThanOrEqual(0, $hour);
        $this->assertLessThanOrEqual(23, $hour);

// Verify the dayofweek has changed within allowed bounds.
        $dayofweek = $testclass->get_day_of_week();
        $this->assertInternalType('int', $dayofweek);
        $this->assertGreaterThanOrEqual(0, $dayofweek);
        $this->assertLessThanOrEqual(6, $dayofweek);
    }

/**
     * Test that the file_temp_cleanup_task removes directories and
     * files as expected.
     */
    public function test_file_temp_cleanup_task() {
        global $CFG;

// Create directories.
        $dir = $CFG->tempdir . DIRECTORY_SEPARATOR . 'backup' . DIRECTORY_SEPARATOR . 'backup01' . DIRECTORY_SEPARATOR . 'courses';
        mkdir($dir, 0777, true);

// Create files to be checked and then deleted.
        $file01 = $dir . DIRECTORY_SEPARATOR . 'sections.xml';
        file_put_contents($file01, 'test data 001');
        $file02 = $dir . DIRECTORY_SEPARATOR . 'modules.xml';
        file_put_contents($file02, 'test data 002');
        // Change the time modified for the first file, to a time that will be deleted by the task (greater than seven days).
        touch($file01, time() - (8 * 24 * 3600));

$task = \core\task\manager::get_scheduled_task('\\core\\task\\file_temp_cleanup_task');
        $this->assertInstanceOf('\core\task\file_temp_cleanup_task', $task);
        $task->execute();

// Scan the directory. Only modules.xml should be left.
        $filesarray = scandir($dir);
        $this->assertEquals('modules.xml', $filesarray[2]);
        $this->assertEquals(3, count($filesarray));

// Change the time modified on modules.xml.
        touch($file02, time() - (8 * 24 * 3600));
        // Change the time modified on the courses directory.
        touch($CFG->tempdir . DIRECTORY_SEPARATOR . 'backup' . DIRECTORY_SEPARATOR . 'backup01' . DIRECTORY_SEPARATOR .
                'courses', time() - (8 * 24 * 3600));
        // Run the scheduled task to remove the file and directory.
        $task->execute();
        $filesarray = scandir($CFG->tempdir . DIRECTORY_SEPARATOR . 'backup' . DIRECTORY_SEPARATOR . 'backup01');
        // There should only be two items in the array, '.' and '..'.
        $this->assertEquals(2, count($filesarray));

// Change the time modified on all of the files and directories.
        $dir = new \RecursiveDirectoryIterator($CFG->tempdir);
        // Show all child nodes prior to their parent.
        $iter = new \RecursiveIteratorIterator($dir, \RecursiveIteratorIterator::CHILD_FIRST);

for ($iter->rewind(); $iter->valid(); $iter->next()) {
            if ($iter->isDir() && !$iter->isDot()) {
                $node = $iter->getRealPath();
                touch($node, time() - (8 * 24 * 3600));
            }
        }

// Run the scheduled task again to remove all of the files and directories.
        $task->execute();
        $filesarray = scandir($CFG->tempdir);
        // All of the files and directories should be deleted.
        // There should only be two items in the array, '.' and '..'.
        $this->assertEquals(2, count($filesarray));
    }
}