--- /dev/null
+<?php // $Id$
+
+///////////////////////////////////////////////////////////////////////////
+// //
+// NOTICE OF COPYRIGHT //
+// //
+// Moodle - Modular Object-Oriented Dynamic Learning Environment //
+// http://moodle.org //
+// //
+// Copyright (C) 1999 onwards Martin Dougiamas http://dougiamas.com //
+// //
+// This program 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 2 of the License, or //
+// (at your option) any later version. //
+// //
+// This program 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: //
+// //
+// http://www.gnu.org/copyleft/gpl.html //
+// //
+///////////////////////////////////////////////////////////////////////////
+
+/**
+ * A simple test script that sets up test data in the database then
+ * measures performance of filter_get_active_in_context.
+ *
+ * @license http://www.gnu.org/copyleft/gpl.html GNU Public License
+ * @package moodlecore
+ *//** */
+
+require_once(dirname(__FILE__) . '/../../config.php');
+require_once($CFG->libdir . '/ddllib.php');
+
+require_login();
+$syscontext = get_context_instance(CONTEXT_SYSTEM);
+require_capability('moodle/site:config', $syscontext);
+
+$baseurl = $CFG->wwwroot . '/lib/simpletest/filtersettingsperformancetester.php';
+
+$title = 'filter_get_active_in_context performance test';
+print_header($title, $title, build_navigation($title));
+
+// Complain if we get this far and $CFG->unittestprefix is not set.
+if (empty($CFG->unittestprefix)) {
+ throw new coding_exception('This page requires $CFG->unittestprefix to be set in config.php.');
+}
+
+$requiredtables = array('context', 'filter_active', 'filter_config');
+$realdb = $DB;
+$testdb = moodle_database::get_driver_instance($CFG->dbtype, $CFG->dblibrary);
+$testdb->connect($CFG->dbhost, $CFG->dbuser, $CFG->dbpass, $CFG->dbname, $CFG->unittestprefix);
+$DB = $testdb;
+$dbman = $testdb->get_manager();
+$issetup = 0;
+foreach ($requiredtables as $table) {
+ if ($dbman->table_exists(new xmldb_table($table))) {
+ $issetup++;
+ }
+}
+
+switch (optional_param('action', '', PARAM_ACTION)) {
+ case 'setup':
+ if ($issetup == 0) {
+ foreach ($requiredtables as $table) {
+ $dbman->install_one_table_from_xmldb_file($CFG->dirroot . '/lib/db/install.xml', $table);
+ $issetup++;
+ }
+ flush();
+ populate_test_database($syscontext, 10, 100, 1000, 5000, 5000);
+ notify('Test tables created.', 'notifysuccess');
+ } else if ($issetup == count($requiredtables)) {
+ notify('Test tables are already set up.', 'notifysuccess');
+ } else {
+ notify('Something is wrong, please delete the test tables and try again.');
+ }
+ break;
+
+ case 'teardown':
+ foreach ($requiredtables as $tablename) {
+ $table = new xmldb_table($tablename);
+ if ($dbman->table_exists($table)) {
+ $dbman->drop_table($table);
+ }
+ }
+ $issetup = 0;
+ notify('Test tables dropped.', 'notifysuccess');
+ break;
+
+ case 'test':
+ if ($issetup != count($requiredtables)) {
+ notify('Something is wrong, please delete the test tables and try again.');
+ } else {
+ $contexts = $DB->get_records('context');
+ $numcalls = 1000;
+ $basetime = run_tests('noop', $contexts, $numcalls, 0);
+ run_tests('simple_get_record_by_id', $contexts, $numcalls, $basetime);
+ run_tests('filter_get_active_in_context', $contexts, $numcalls, $basetime);
+ }
+ break;
+}
+
+if ($issetup == count($requiredtables)) {
+ echo '<p>Total of ' . $DB->count_records('context') . ' contexts, ' .
+ $DB->count_records('filter_active') . ' filter_active and ' .
+ $DB->count_records('filter_config') . ' filter_config rows in the database.</p>';
+}
+
+$DB = $realdb;
+
+echo '<div>';
+print_single_button($baseurl, array('action' => 'setup'), 'Set up test tables', 'get', '', false, '', $issetup > 0);
+print_single_button($baseurl, array('action' => 'teardown'), 'Drop test tables', 'get', '', false, '', $issetup == 0);
+print_single_button($baseurl, array('action' => 'test'), 'Run tests', 'get', '', false, '', $issetup != count($requiredtables));
+echo '</div>';
+
+print_footer();
+
+function noop($context) {
+}
+
+function simple_get_record_by_id($context) {
+ global $DB;
+ $DB->get_record('context', array('id' => $context->id));
+}
+
+function run_tests($function, $contexts, $numcalls, $basetime) {
+ set_time_limit(120);
+ $startime = microtime(true);
+ for ($j = 0; $j < $numcalls; $j++) {
+ $function($contexts[array_rand($contexts)]);
+ }
+ $duration = microtime(true) - $startime;
+ print_result_line($duration, $basetime, $numcalls, 'calls to ' . $function);
+ return $duration;
+}
+
+function print_result_line($duration, $basetime, $numcalls, $action1, $action2 = 'calls per second') {
+ echo '<p>Time for ' . format_float($numcalls, 0) . ' ' . $action1 . ': <b>' .
+ format_float($duration - $basetime, 3) . 's</b> (' . format_float($duration, 3) . ' - ' .
+ format_float($basetime, 3) . 's) which is ' .
+ format_float(($numcalls / ($duration - $basetime)), 0) . ' ' . $action2 . ".</p>\n";
+ flush();
+}
+
+function populate_test_database($syscontext, $numcategories, $numcourses, $nummodules, $numoverrides, $numconfigs) {
+ global $DB;
+ set_time_limit(600);
+ $syscontext->id = $DB->insert_record('context', $syscontext);
+
+ // Category contexts.
+ $categoryparents = array($syscontext);
+ $categories = array();
+ for ($i = 0; $i < $numcategories; $i++) {
+ $context = insert_context(CONTEXT_COURSECAT, $i, $categoryparents[array_rand($categoryparents)]);
+ $categoryparents[] = $context;
+ $categories[$context->id] = $context;
+ }
+ notify('Created ' . $numcategories . ' course category contexts.', 'notifysuccess'); flush();
+
+ // Course contexts.
+ $courses = array();
+ for ($i = 0; $i < $numcourses; $i++) {
+ $context = insert_context(CONTEXT_COURSE, $i, $categories[array_rand($categories)]);
+ $courses[$context->id] = $context;
+ }
+ notify('Created ' . $numcourses . ' course contexts.', 'notifysuccess'); flush();
+
+ // Activities contexts.
+ $mods = array();
+ $prog = new progress_bar('modbar', 500, true);
+ $DB->begin_sql();
+ for ($i = 0; $i < $nummodules; $i++) {
+ $context = insert_context(CONTEXT_MODULE, $i, $courses[array_rand($courses)]);
+ $mods[$context->id] = $context;
+ if ($i % 50) {
+ $prog->update($i, $nummodules, '');
+ }
+ }
+ $DB->commit_sql();
+ notify('Created ' . $nummodules . ' module contexts.', 'notifysuccess'); flush();
+
+ $contexts = $categories + $courses + $mods;
+
+ // Global settings.
+ $installedfilters = filter_get_all_installed();
+ $counts = array(TEXTFILTER_DISABLED => 0, TEXTFILTER_OFF => 0, TEXTFILTER_ON => 0);
+ foreach ($installedfilters as $filter => $notused) {
+ $state = array_rand($counts);
+ filter_set_global_state($filter, $state);
+ $counts[$state]++;
+ }
+ notify('Set global setting: ' . $counts[TEXTFILTER_DISABLED] . ' disabled, ' .
+ $counts[TEXTFILTER_OFF] . ' off and ' . $counts[TEXTFILTER_ON] . ' on.', 'notifysuccess'); flush();
+
+ // Local overrides.
+ $localstates = array(TEXTFILTER_OFF => 0, TEXTFILTER_ON => 0);
+ $prog = new progress_bar('locbar', 500, true);
+ $DB->begin_sql();
+ for ($i = 0; $i < $numoverrides; $i++) {
+ filter_set_local_state(array_rand($installedfilters), array_rand($contexts), array_rand($localstates));
+ if ($i % 50) {
+ $prog->update($i, $numoverrides, '');
+ }
+ }
+ $DB->commit_sql();
+ notify('Set ' . $numoverrides . ' local overrides.', 'notifysuccess'); flush();
+
+ // Local config.
+ $variablenames = array('frog' => 0, 'toad' => 0, 'elver' => 0, 'eft' => 0, 'tadpole' => 0);
+ $prog = new progress_bar('confbar', 500, true);
+ $DB->begin_sql();
+ for ($i = 0; $i < $numconfigs; $i++) {
+ filter_set_local_config(array_rand($installedfilters), array_rand($contexts),
+ array_rand($variablenames), random_string(rand(20, 40)));
+ if ($i % 50) {
+ $prog->update($i, $numconfigs, '');
+ }
+ }
+ $DB->commit_sql();
+ notify('Set ' . $numconfigs . ' local configs.', 'notifysuccess'); flush();
+}
+
+function insert_context($contextlevel, $instanceid, $parent) {
+ global $DB;
+ $context = new stdClass;
+ $context->contextlevel = $contextlevel;
+ $context->instanceid = $instanceid;
+ $context->depth = $parent->depth + 1;
+ $context->id = $DB->insert_record('context', $context);
+ $context->path = $parent->path . '/' . $context->id;
+ $DB->set_field('context', 'path', $context->path, array('id' => $context->id));
+ return $context;
+}
+