/** * Reset contents of all database tables to initial values, reset caches, etc. * * Note: this is relatively slow (cca 2 seconds for pg and 7 for mysql) - please use with care! * * @static * @param bool $logchanges log changes in global state and database in error log * @return void */ public static function reset_all_data($logchanges = false) { global $DB, $CFG, $USER, $SITE, $COURSE, $PAGE, $OUTPUT, $SESSION; // Stop any message redirection. phpunit_util::stop_message_redirection(); // Release memory and indirectly call destroy() methods to release resource handles, etc. gc_collect_cycles(); // Show any unhandled debugging messages, the runbare() could already reset it. self::display_debugging_messages(); self::reset_debugging(); // reset global $DB in case somebody mocked it $DB = self::get_global_backup('DB'); if ($DB->is_transaction_started()) { // we can not reset inside transaction $DB->force_transaction_rollback(); } $resetdb = self::reset_database(); $warnings = array(); if ($logchanges) { if ($resetdb) { $warnings[] = 'Warning: unexpected database modification, resetting DB state'; } $oldcfg = self::get_global_backup('CFG'); $oldsite = self::get_global_backup('SITE'); foreach ($CFG as $k => $v) { if (!property_exists($oldcfg, $k)) { $warnings[] = 'Warning: unexpected new $CFG->' . $k . ' value'; } else { if ($oldcfg->{$k} !== $CFG->{$k}) { $warnings[] = 'Warning: unexpected change of $CFG->' . $k . ' value'; } } unset($oldcfg->{$k}); } if ($oldcfg) { foreach ($oldcfg as $k => $v) { $warnings[] = 'Warning: unexpected removal of $CFG->' . $k; } } if ($USER->id != 0) { $warnings[] = 'Warning: unexpected change of $USER'; } if ($COURSE->id != $oldsite->id) { $warnings[] = 'Warning: unexpected change of $COURSE'; } } // restore original globals $_SERVER = self::get_global_backup('_SERVER'); $CFG = self::get_global_backup('CFG'); $SITE = self::get_global_backup('SITE'); $COURSE = $SITE; // reinitialise following globals $OUTPUT = new bootstrap_renderer(); $PAGE = new moodle_page(); $FULLME = null; $ME = null; $SCRIPT = null; $SESSION = new stdClass(); $_SESSION['SESSION'] =& $SESSION; // set fresh new not-logged-in user $user = new stdClass(); $user->id = 0; $user->mnethostid = $CFG->mnet_localhost_id; session_set_user($user); // reset all static caches accesslib_clear_all_caches(true); get_string_manager()->reset_caches(true); reset_text_filters_cache(true); events_get_handlers('reset'); textlib::reset_caches(); if (class_exists('repository')) { repository::reset_caches(); } filter_manager::reset_caches(); //TODO MDL-25290: add more resets here and probably refactor them to new core function // Reset course and module caches. if (class_exists('format_base')) { // If file containing class is not loaded, there is no cache there anyway. format_base::reset_course_cache(0); } get_fast_modinfo(0, 0, true); // Reset other singletons. if (class_exists('plugin_manager')) { plugin_manager::reset_caches(true); } if (class_exists('available_update_checker')) { available_update_checker::reset_caches(true); } if (class_exists('available_update_deployer')) { available_update_deployer::reset_caches(true); } // purge dataroot directory self::reset_dataroot(); // restore original config once more in case resetting of caches changed CFG $CFG = self::get_global_backup('CFG'); // inform data generator self::get_data_generator()->reset(); // fix PHP settings error_reporting($CFG->debug); // verify db writes just in case something goes wrong in reset if (self::$lastdbwrites != $DB->perf_get_writes()) { error_log('Unexpected DB writes in phpunit_util::reset_all_data()'); self::$lastdbwrites = $DB->perf_get_writes(); } if ($warnings) { $warnings = implode("\n", $warnings); trigger_error($warnings, E_USER_WARNING); } }
/** * Reset contents of all database tables to initial values, reset caches, etc. * * Note: this is relatively slow (cca 2 seconds for pg and 7 for mysql) - please use with care! * * @static * @param bool $logchanges log changes in global state and database in error log * @return void */ public static function reset_all_data($logchanges = false) { global $DB, $CFG, $USER, $SITE, $COURSE, $PAGE, $OUTPUT, $SESSION, $GROUPLIB_CACHE; // Release memory and indirectly call destroy() methods to release resource handles, etc. gc_collect_cycles(); // reset global $DB in case somebody mocked it $DB = self::get_global_backup('DB'); if ($DB->is_transaction_started()) { // we can not reset inside transaction $DB->force_transaction_rollback(); } $resetdb = self::reset_database(); $warnings = array(); if ($logchanges) { if ($resetdb) { $warnings[] = 'Warning: unexpected database modification, resetting DB state'; } $oldcfg = self::get_global_backup('CFG'); $oldsite = self::get_global_backup('SITE'); foreach($CFG as $k=>$v) { if (!property_exists($oldcfg, $k)) { $warnings[] = 'Warning: unexpected new $CFG->'.$k.' value'; } else if ($oldcfg->$k !== $CFG->$k) { $warnings[] = 'Warning: unexpected change of $CFG->'.$k.' value'; } unset($oldcfg->$k); } if ($oldcfg) { foreach($oldcfg as $k=>$v) { $warnings[] = 'Warning: unexpected removal of $CFG->'.$k; } } if ($USER->id != 0) { $warnings[] = 'Warning: unexpected change of $USER'; } if ($COURSE->id != $oldsite->id) { $warnings[] = 'Warning: unexpected change of $COURSE'; } } if (ini_get('max_execution_time') != 0) { // This is special warning for all resets because we do not want any // libraries to mess with timeouts unintentionally. // Our PHPUnit integration is not supposed to change it either. // TODO: MDL-38912 uncomment and fix all + somehow resolve timeouts in failed tests. //$warnings[] = 'Warning: max_execution_time was changed.'; set_time_limit(0); } // restore original globals $_SERVER = self::get_global_backup('_SERVER'); $CFG = self::get_global_backup('CFG'); $SITE = self::get_global_backup('SITE'); $COURSE = $SITE; // reinitialise following globals $OUTPUT = new bootstrap_renderer(); $PAGE = new moodle_page(); $FULLME = null; $ME = null; $SCRIPT = null; $SESSION = new stdClass(); $_SESSION['SESSION'] =& $SESSION; // set fresh new not-logged-in user $user = new stdClass(); $user->id = 0; $user->mnethostid = $CFG->mnet_localhost_id; session_set_user($user); // reset all static caches accesslib_clear_all_caches(true); get_string_manager()->reset_caches(); events_get_handlers('reset'); textlib::reset_caches(); if (class_exists('repository')) { repository::reset_caches(); } $GROUPLIB_CACHE = null; //TODO MDL-25290: add more resets here and probably refactor them to new core function // Reset course and module caches. $reset = 'reset'; get_fast_modinfo($reset); // Reset other singletons. if (class_exists('plugin_manager')) { plugin_manager::reset_caches(true); } if (class_exists('available_update_checker')) { available_update_checker::reset_caches(true); } // purge dataroot directory self::reset_dataroot(); // restore original config once more in case resetting of caches changed CFG $CFG = self::get_global_backup('CFG'); // inform data generator self::get_data_generator()->reset(); // fix PHP settings error_reporting($CFG->debug); // verify db writes just in case something goes wrong in reset if (self::$lastdbwrites != $DB->perf_get_writes()) { error_log('Unexpected DB writes in phpunit_util::reset_all_data()'); self::$lastdbwrites = $DB->perf_get_writes(); } if ($warnings) { $warnings = implode("\n", $warnings); trigger_error($warnings, E_USER_WARNING); } }