sam marshall
9c29979b8b
For cache types which mean this information can be obtained without a significant performance cost (i.e. just by calling strlen and not having to serialize something that wasn't serialized already), this change calculates the size of data read from or written to cache in each request and includes it in the perfdebug table at bottom of output (when that is turned on). This supports the following cache types: * File store * Redis (only if caching is enabled)
105 lines
3.5 KiB
PHP
105 lines
3.5 KiB
PHP
<?php
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// This file is part of Moodle - http://moodle.org/
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//
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// Moodle is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// Moodle is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
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/**
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* File unit tests
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*
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* @package cachestore_file
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* @copyright 2013 Sam Hemelryk
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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defined('MOODLE_INTERNAL') || die();
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// Include the necessary evils.
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global $CFG;
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require_once($CFG->dirroot.'/cache/tests/fixtures/stores.php');
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require_once($CFG->dirroot.'/cache/stores/file/lib.php');
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/**
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* File unit test class.
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*
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* @package cachestore_file
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* @copyright 2013 Sam Hemelryk
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* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
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*/
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class cachestore_file_test extends cachestore_tests {
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/**
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* Returns the file class name
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* @return string
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*/
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protected function get_class_name() {
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return 'cachestore_file';
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}
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/**
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* Testing cachestore_file::get with prescan enabled and with
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* deleting the cache between the prescan and the call to get.
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*
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* The deleting of cache simulates some other process purging
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* the cache.
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*/
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public function test_cache_get_with_prescan_and_purge() {
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global $CFG;
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$definition = cache_definition::load_adhoc(cache_store::MODE_REQUEST, 'cachestore_file', 'phpunit_test');
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$name = 'File test';
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$path = make_cache_directory('cachestore_file_test');
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$cache = new cachestore_file($name, array('path' => $path, 'prescan' => true));
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$cache->initialise($definition);
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$cache->set('testing', 'value');
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$path = make_cache_directory('cachestore_file_test');
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$cache = new cachestore_file($name, array('path' => $path, 'prescan' => true));
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$cache->initialise($definition);
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// Let's pretend that some other process purged caches.
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remove_dir($CFG->cachedir.'/cachestore_file_test', true);
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make_cache_directory('cachestore_file_test');
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$cache->get('testing');
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}
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/**
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* Tests the get_last_read byte count.
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*/
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public function test_get_last_io_bytes(): void {
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$definition = cache_definition::load_adhoc(cache_store::MODE_REQUEST, 'cachestore_file', 'phpunit_test');
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$store = new \cachestore_file('Test');
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$store->initialise($definition);
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$store->set('foo', 'bar');
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$store->set('frog', 'ribbit');
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$store->get('foo');
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// It's not 3 bytes, because the data is stored serialized.
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$this->assertEquals(10, $store->get_last_io_bytes());
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$store->get('frog');
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$this->assertEquals(13, $store->get_last_io_bytes());
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$store->get_many(['foo', 'frog']);
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$this->assertEquals(23, $store->get_last_io_bytes());
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$store->set('foo', 'goo');
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$this->assertEquals(10, $store->get_last_io_bytes());
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$store->set_many([
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['key' => 'foo', 'value' => 'bar'],
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['key' => 'frog', 'value' => 'jump']
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]);
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$this->assertEquals(21, $store->get_last_io_bytes());
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}
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}
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