PHP phpunit_util::lastdbwrites方法代码示例

 /**
  * Reset all database tables to default values.
  * @static
  * @return bool true if reset done, false if skipped
  */
 public static function reset_database()
 {
     global $DB;
     if (!is_null(self::$lastdbwrites) and self::$lastdbwrites == $DB->perf_get_writes()) {
         return false;
     }
     if (!parent::reset_database()) {
         return false;
     }
     self::$lastdbwrites = $DB->perf_get_writes();
     return true;
 }

//.........这里部分代码省略.........
         }
         $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 $COURSE';
         }
     }
     if (ini_get('max_execution_time') != 0) {
         // This is special warning for all resets because we do not want any
         // libraries to mess with timeouts unintentionally.
         // Our PHPUnit integration is not supposed to change it either.
         if ($detectchanges !== false) {
             $warnings[] = 'Warning: max_execution_time was changed to ' . ini_get('max_execution_time');
         }
         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');
     $_GET = array();
     $_POST = array();
     $_FILES = array();
     $_REQUEST = array();
     $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 = $CFG->mnet_localhost_id;
     \core\session\manager::set_user($user);
     // reset all static caches
     \core\event\manager::phpunit_reset();
     accesslib_clear_all_caches(true);
     get_string_manager()->reset_caches(true);
     reset_text_filters_cache(true);
     events_get_handlers('reset');
     core_text::reset_caches();
     get_message_processors(false, true);
     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('core_plugin_manager')) {
         core_plugin_manager::reset_caches(true);
     }
     if (class_exists('\\core\\update\\checker')) {
         \core\update\checker::reset_caches(true);
     }
     if (class_exists('\\core\\update\\deployer')) {
         \core\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;
     // 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();
     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
     // 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);
     }
 }

    /**
     * Runs the bare test sequence.
     * @return void
     */
    final public function runBare() {
        global $DB;

        if (phpunit_util::$lastdbwrites != $DB->perf_get_writes()) {
            // this happens when previous test does not reset, we can not use transactions
            $this->testdbtransaction = null;

        } else if ($DB->get_dbfamily() === 'postgres' or $DB->get_dbfamily() === 'mssql') {
            // database must allow rollback of DDL, so no mysql here
            $this->testdbtransaction = $DB->start_delegated_transaction();
        }

        try {
            $this->setCurrentTimeStart();
            parent::runBare();
            // set DB reference in case somebody mocked it in test
            $DB = phpunit_util::get_global_backup('DB');

            // Deal with any debugging messages.
            phpunit_util::display_debugging_messages();
            phpunit_util::reset_debugging();

        } catch (Exception $e) {
            // cleanup after failed expectation
            phpunit_util::reset_all_data();
            throw $e;
        }

        if (!$this->testdbtransaction or $this->testdbtransaction->is_disposed()) {
            $this->testdbtransaction = null;
        }

        if ($this->resetAfterTest === true) {
            if ($this->testdbtransaction) {
                $DB->force_transaction_rollback();
                phpunit_util::reset_all_database_sequences();
                phpunit_util::$lastdbwrites = $DB->perf_get_writes(); // no db reset necessary
            }
            phpunit_util::reset_all_data(null);

        } else if ($this->resetAfterTest === false) {
            if ($this->testdbtransaction) {
                $this->testdbtransaction->allow_commit();
            }
            // keep all data untouched for other tests

        } else {
            // reset but log what changed
            if ($this->testdbtransaction) {
                try {
                    $this->testdbtransaction->allow_commit();
                } catch (dml_transaction_exception $e) {
                    phpunit_util::reset_all_data();
                    throw new coding_exception('Invalid transaction state detected in test '.$this->getName());
                }
            }
            phpunit_util::reset_all_data(true);
        }

        // make sure test did not forget to close transaction
        if ($DB->is_transaction_started()) {
            phpunit_util::reset_all_data();
            if ($this->getStatus() == PHPUnit_Runner_BaseTestRunner::STATUS_PASSED
                or $this->getStatus() == PHPUnit_Runner_BaseTestRunner::STATUS_SKIPPED
                or $this->getStatus() == PHPUnit_Runner_BaseTestRunner::STATUS_INCOMPLETE) {
                throw new coding_exception('Test '.$this->getName().' did not close database transaction');
            }
        }
    }

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