PHP plugin_manager::reset_caches方法代码示例

 /**
  * 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);
     }
//.........这里部分代码省略.........

    /**
     * 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

//.........这里部分代码省略.........