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<?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 the cron.
*
* @package core
* @category test
* @copyright 2013 Tim Gusak <tim.gusak@remote-learner.net>
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die();
global $CFG;
require_once($CFG->libdir.'/cronlib.php');
class cronlib_testcase extends basic_testcase {
/**
* Data provider for cron_delete_from_temp.
*
* @return array Provider data
*/
public function cron_delete_from_temp_provider() {
global $CFG;
$tmpdir = realpath($CFG->tempdir);
// This is a relative time.
$time = 0;
// Relative time stamps. Did you know data providers get executed during phpunit init?
$lastweekstime = -($CFG->tempdatafoldercleanup * 3600); // This must match file_temp_cleanup_task.
$beforelastweekstime = $lastweekstime - 3600 - 1; // At least 1h and 1s diff (make it DST immune).
$afterlastweekstime = $lastweekstime + 3600 + 1; // At least 1h and 1s diff (make it DST immune).
$nodes = array();
// Really old directory to remove.
$nodes[] = $this->generate_test_path('/dir1/dir1_1/dir1_1_1/dir1_1_1_1/', true, $lastweekstime * 52, false);
// New Directory to keep.
$nodes[] = $this->generate_test_path('/dir1/dir1_2/', true, $time, true);
// Directory a little less than 1 week old, keep.
$nodes[] = $this->generate_test_path('/dir2/', true, $afterlastweekstime, true);
// Directory older than 1 week old, remove.
$nodes[] = $this->generate_test_path('/dir3/', true, $beforelastweekstime, false);
// File older than 1 week old, remove.
$nodes[] = $this->generate_test_path('/dir1/dir1_1/dir1_1_1/file1_1_1_1', false, $beforelastweekstime, false);
// New File to keep.
$nodes[] = $this->generate_test_path('/dir1/dir1_1/dir1_1_1/file1_1_1_2', false, $time, true);
// File older than 1 week old, remove.
$nodes[] = $this->generate_test_path('/dir1/dir1_2/file1_1_2_1', false, $beforelastweekstime, false);
// New file to keep.
$nodes[] = $this->generate_test_path('/dir1/dir1_2/file1_1_2_2', false, $time, true);
// New file to keep.
$nodes[] = $this->generate_test_path('/file1', false, $time, true);
// File older than 1 week, keep.
$nodes[] = $this->generate_test_path('/file2', false, $beforelastweekstime, false);
// Directory older than 1 week to keep.
// Note: Since this directory contains a directory that contains a file that is also older than a week
// the directory won't be deleted since it's mtime will be updated when the file is deleted.
$nodes[] = $this->generate_test_path('/dir4/dir4_1', true, $beforelastweekstime, true);
$nodes[] = $this->generate_test_path('/dir4/dir4_1/dir4_1_1/', true, $beforelastweekstime, true);
// File older than 1 week to remove.
$nodes[] = $this->generate_test_path('/dir4/dir4_1/dir4_1_1/file4_1_1_1', false, $beforelastweekstime, false);
$expectednodes = array();
foreach ($nodes as $node) {
if ($node->keep) {
$path = $tmpdir;
$pelements = preg_split('/\//', $node->path);
foreach ($pelements as $pelement) {
if ($pelement === '') {
continue;
}
$path .= DIRECTORY_SEPARATOR . $pelement;
if (!in_array($path, $expectednodes)) {
$expectednodes[] = $path;
}
}
}
}
sort($expectednodes);
$data = array(
array(
$nodes,
$expectednodes
),
array(
array(),
array()
)
);
return $data;
}
/**
* Function to populate node array.
*
* @param string $path Path of directory or file
* @param bool $isdir Is the node a directory
* @param int $time modified time of the node in epoch
* @param bool $keep Should the node exist after the delete function has run
*/
private function generate_test_path($path, $isdir = false, $time = 0, $keep = false) {
$node = new stdClass();
$node->path = $path;
$node->isdir = $isdir;
$node->time = $time;
$node->keep = $keep;
return $node;
}
/**
* Test removing files and directories from tempdir.
*
* @dataProvider cron_delete_from_temp_provider
* @param array $nodes List of files and directories
* @param array $expected The expected results
*/
public function test_cron_delete_from_temp($nodes, $expected) {
global $CFG;
$tmpdir = realpath($CFG->tempdir);
foreach ($nodes as $data) {
if ($data->isdir) {
mkdir($tmpdir.$data->path, $CFG->directorypermissions, true);
}
}
// We need to iterate through again since adding a file to a directory will
// update the modified time of the directory.
foreach ($nodes as $data) {
touch($tmpdir.$data->path, time() + $data->time);
}
$task = new \core\task\file_temp_cleanup_task();
$task->execute();
$dir = new RecursiveDirectoryIterator($tmpdir);
$iter = new RecursiveIteratorIterator($dir, RecursiveIteratorIterator::CHILD_FIRST);
$actual = array();
for ($iter->rewind(); $iter->valid(); $iter->next()) {
$isvalid = true;
$isvalid = $isvalid && !$iter->isDot();
// Remove the default $CFG->tempdir/backup directory and $CFG->tempdir/.htaccess file from this comparison.
$isvalid = $isvalid && !($iter->isDir() && ($iter->getRealpath() === $tmpdir . DIRECTORY_SEPARATOR . 'backup'));
$isvalid = $isvalid && !($iter->isFile() && ($iter->getRealpath() === $tmpdir . DIRECTORY_SEPARATOR . '.htaccess'));
if ($isvalid) {
$actual[] = $iter->getRealPath();
}
}
// Sort results to guarantee actual order.
sort($actual);
$this->assertEquals($expected, $actual);
}
}