includes/MediaWikiServices.php

   1 <?php
   2 namespace MediaWiki;
   3
   4 use Config;
   5 use ConfigFactory;
   6 use CryptHKDF;
   7 use CryptRand;
   8 use EventRelayerGroup;
   9 use GenderCache;
  10 use GlobalVarConfig;
  11 use Hooks;
  12 use IBufferingStatsdDataFactory;
  13 use MediaWiki\Preferences\PreferencesFactory;
  14 use MediaWiki\Shell\CommandFactory;
  15 use MediaWiki\Storage\BlobStore;
  16 use MediaWiki\Storage\BlobStoreFactory;
  17 use MediaWiki\Storage\RevisionStore;
  18 use Wikimedia\Rdbms\LBFactory;
  19 use LinkCache;
  20 use Wikimedia\Rdbms\LoadBalancer;
  21 use MediaHandlerFactory;
  22 use MediaWiki\Linker\LinkRenderer;
  23 use MediaWiki\Linker\LinkRendererFactory;
  24 use MediaWiki\Services\SalvageableService;
  25 use MediaWiki\Services\ServiceContainer;
  26 use MediaWiki\Services\NoSuchServiceException;
  27 use MWException;
  28 use MimeAnalyzer;
  29 use ObjectCache;
  30 use Parser;
  31 use ParserCache;
  32 use ProxyLookup;
  33 use SearchEngine;
  34 use SearchEngineConfig;
  35 use SearchEngineFactory;
  36 use SiteLookup;
  37 use SiteStore;
  38 use WatchedItemStoreInterface;
  39 use WatchedItemQueryService;
  40 use SkinFactory;
  41 use TitleFormatter;
  42 use TitleParser;
  43 use VirtualRESTServiceClient;
  44 use MediaWiki\Interwiki\InterwikiLookup;
  45
  46 /**
  47  * Service locator for MediaWiki core services.
  48  *
  49  * This program is free software; you can redistribute it and/or modify
  50  * it under the terms of the GNU General Public License as published by
  51  * the Free Software Foundation; either version 2 of the License, or
  52  * (at your option) any later version.
  53  *
  54  * This program is distributed in the hope that it will be useful,
  55  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  56  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  57  * GNU General Public License for more details.
  58  *
  59  * You should have received a copy of the GNU General Public License along
  60  * with this program; if not, write to the Free Software Foundation, Inc.,
  61  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
  62  * http://www.gnu.org/copyleft/gpl.html
  63  *
  64  * @file
  65  *
  66  * @since 1.27
  67  */
  68
  69 /**
  70  * MediaWikiServices is the service locator for the application scope of MediaWiki.
  71  * Its implemented as a simple configurable DI container.
  72  * MediaWikiServices acts as a top level factory/registry for top level services, and builds
  73  * the network of service objects that defines MediaWiki's application logic.
  74  * It acts as an entry point to MediaWiki's dependency injection mechanism.
  75  *
  76  * Services are defined in the "wiring" array passed to the constructor,
  77  * or by calling defineService().
  78  *
  79  * @see docs/injection.txt for an overview of using dependency injection in the
  80  *      MediaWiki code base.
  81  */
  82 class MediaWikiServices extends ServiceContainer {
  83
  84         /**
  85          * @var MediaWikiServices|null
  86          */
  87         private static $instance = null;
  88
  89         /**
  90          * Returns the global default instance of the top level service locator.
  91          *
  92          * @since 1.27
  93          *
  94          * The default instance is initialized using the service instantiator functions
  95          * defined in ServiceWiring.php.
  96          *
  97          * @note This should only be called by static functions! The instance returned here
  98          * should not be passed around! Objects that need access to a service should have
  99          * that service injected into the constructor, never a service locator!
 100          *
 101          * @return MediaWikiServices
 102          */
 103         public static function getInstance() {
 104                 if ( self::$instance === null ) {
 105                         // NOTE: constructing GlobalVarConfig here is not particularly pretty,
 106                         // but some information from the global scope has to be injected here,
 107                         // even if it's just a file name or database credentials to load
 108                         // configuration from.
 109                         $bootstrapConfig = new GlobalVarConfig();
 110                         self::$instance = self::newInstance( $bootstrapConfig, 'load' );
 111                 }
 112
 113                 return self::$instance;
 114         }
 115
 116         /**
 117          * Replaces the global MediaWikiServices instance.
 118          *
 119          * @since 1.28
 120          *
 121          * @note This is for use in PHPUnit tests only!
 122          *
 123          * @throws MWException if called outside of PHPUnit tests.
 124          *
 125          * @param MediaWikiServices $services The new MediaWikiServices object.
 126          *
 127          * @return MediaWikiServices The old MediaWikiServices object, so it can be restored later.
 128          */
 129         public static function forceGlobalInstance( MediaWikiServices $services ) {
 130                 if ( !defined( 'MW_PHPUNIT_TEST' ) ) {
 131                         throw new MWException( __METHOD__ . ' must not be used outside unit tests.' );
 132                 }
 133
 134                 $old = self::getInstance();
 135                 self::$instance = $services;
 136
 137                 return $old;
 138         }
 139
 140         /**
 141          * Creates a new instance of MediaWikiServices and sets it as the global default
 142          * instance. getInstance() will return a different MediaWikiServices object
 143          * after every call to resetGlobalInstance().
 144          *
 145          * @since 1.28
 146          *
 147          * @warning This should not be used during normal operation. It is intended for use
 148          * when the configuration has changed significantly since bootstrap time, e.g.
 149          * during the installation process or during testing.
 150          *
 151          * @warning Calling resetGlobalInstance() may leave the application in an inconsistent
 152          * state. Calling this is only safe under the ASSUMPTION that NO REFERENCE to
 153          * any of the services managed by MediaWikiServices exist. If any service objects
 154          * managed by the old MediaWikiServices instance remain in use, they may INTERFERE
 155          * with the operation of the services managed by the new MediaWikiServices.
 156          * Operating with a mix of services created by the old and the new
 157          * MediaWikiServices instance may lead to INCONSISTENCIES and even DATA LOSS!
 158          * Any class implementing LAZY LOADING is especially prone to this problem,
 159          * since instances would typically retain a reference to a storage layer service.
 160          *
 161          * @see forceGlobalInstance()
 162          * @see resetGlobalInstance()
 163          * @see resetBetweenTest()
 164          *
 165          * @param Config|null $bootstrapConfig The Config object to be registered as the
 166          *        'BootstrapConfig' service. This has to contain at least the information
 167          *        needed to set up the 'ConfigFactory' service. If not given, the bootstrap
 168          *        config of the old instance of MediaWikiServices will be re-used. If there
 169          *        was no previous instance, a new GlobalVarConfig object will be used to
 170          *        bootstrap the services.
 171          *
 172          * @param string $quick Set this to "quick" to allow expensive resources to be re-used.
 173          * See SalvageableService for details.
 174          *
 175          * @throws MWException If called after MW_SERVICE_BOOTSTRAP_COMPLETE has been defined in
 176          *         Setup.php (unless MW_PHPUNIT_TEST or MEDIAWIKI_INSTALL or RUN_MAINTENANCE_IF_MAIN
 177          *          is defined).
 178          */
 179         public static function resetGlobalInstance( Config $bootstrapConfig = null, $quick = '' ) {
 180                 if ( self::$instance === null ) {
 181                         // no global instance yet, nothing to reset
 182                         return;
 183                 }
 184
 185                 self::failIfResetNotAllowed( __METHOD__ );
 186
 187                 if ( $bootstrapConfig === null ) {
 188                         $bootstrapConfig = self::$instance->getBootstrapConfig();
 189                 }
 190
 191                 $oldInstance = self::$instance;
 192
 193                 self::$instance = self::newInstance( $bootstrapConfig, 'load' );
 194                 self::$instance->importWiring( $oldInstance, [ 'BootstrapConfig' ] );
 195
 196                 if ( $quick === 'quick' ) {
 197                         self::$instance->salvage( $oldInstance );
 198                 } else {
 199                         $oldInstance->destroy();
 200                 }
 201         }
 202
 203         /**
 204          * Salvages the state of any salvageable service instances in $other.
 205          *
 206          * @note $other will have been destroyed when salvage() returns.
 207          *
 208          * @param MediaWikiServices $other
 209          */
 210         private function salvage( self $other ) {
 211                 foreach ( $this->getServiceNames() as $name ) {
 212                         // The service could be new in the new instance and not registered in the
 213                         // other instance (e.g. an extension that was loaded after the instantiation of
 214                         // the other instance. Skip this service in this case. See T143974
 215                         try {
 216                                 $oldService = $other->peekService( $name );
 217                         } catch ( NoSuchServiceException $e ) {
 218                                 continue;
 219                         }
 220
 221                         if ( $oldService instanceof SalvageableService ) {
 222                                 /** @var SalvageableService $newService */
 223                                 $newService = $this->getService( $name );
 224                                 $newService->salvage( $oldService );
 225                         }
 226                 }
 227
 228                 $other->destroy();
 229         }
 230
 231         /**
 232          * Creates a new MediaWikiServices instance and initializes it according to the
 233          * given $bootstrapConfig. In particular, all wiring files defined in the
 234          * ServiceWiringFiles setting are loaded, and the MediaWikiServices hook is called.
 235          *
 236          * @param Config|null $bootstrapConfig The Config object to be registered as the
 237          *        'BootstrapConfig' service.
 238          *
 239          * @param string $loadWiring set this to 'load' to load the wiring files specified
 240          *        in the 'ServiceWiringFiles' setting in $bootstrapConfig.
 241          *
 242          * @return MediaWikiServices
 243          * @throws MWException
 244          * @throws \FatalError
 245          */
 246         private static function newInstance( Config $bootstrapConfig, $loadWiring = '' ) {
 247                 $instance = new self( $bootstrapConfig );
 248
 249                 // Load the default wiring from the specified files.
 250                 if ( $loadWiring === 'load' ) {
 251                         $wiringFiles = $bootstrapConfig->get( 'ServiceWiringFiles' );
 252                         $instance->loadWiringFiles( $wiringFiles );
 253                 }
 254
 255                 // Provide a traditional hook point to allow extensions to configure services.
 256                 Hooks::run( 'MediaWikiServices', [ $instance ] );
 257
 258                 return $instance;
 259         }
 260
 261         /**
 262          * Disables all storage layer services. After calling this, any attempt to access the
 263          * storage layer will result in an error. Use resetGlobalInstance() to restore normal
 264          * operation.
 265          *
 266          * @since 1.28
 267          *
 268          * @warning This is intended for extreme situations only and should never be used
 269          * while serving normal web requests. Legitimate use cases for this method include
 270          * the installation process. Test fixtures may also use this, if the fixture relies
 271          * on globalState.
 272          *
 273          * @see resetGlobalInstance()
 274          * @see resetChildProcessServices()
 275          */
 276         public static function disableStorageBackend() {
 277                 // TODO: also disable some Caches, JobQueues, etc
 278                 $destroy = [ 'DBLoadBalancer', 'DBLoadBalancerFactory' ];
 279                 $services = self::getInstance();
 280
 281                 foreach ( $destroy as $name ) {
 282                         $services->disableService( $name );
 283                 }
 284
 285                 ObjectCache::clear();
 286         }
 287
 288         /**
 289          * Resets any services that may have become stale after a child process
 290          * returns from after pcntl_fork(). It's also safe, but generally unnecessary,
 291          * to call this method from the parent process.
 292          *
 293          * @since 1.28
 294          *
 295          * @note This is intended for use in the context of process forking only!
 296          *
 297          * @see resetGlobalInstance()
 298          * @see disableStorageBackend()
 299          */
 300         public static function resetChildProcessServices() {
 301                 // NOTE: for now, just reset everything. Since we don't know the interdependencies
 302                 // between services, we can't do this more selectively at this time.
 303                 self::resetGlobalInstance();
 304
 305                 // Child, reseed because there is no bug in PHP:
 306                 // https://bugs.php.net/bug.php?id=42465
 307                 mt_srand( getmypid() );
 308         }
 309
 310         /**
 311          * Resets the given service for testing purposes.
 312          *
 313          * @since 1.28
 314          *
 315          * @warning This is generally unsafe! Other services may still retain references
 316          * to the stale service instance, leading to failures and inconsistencies. Subclasses
 317          * may use this method to reset specific services under specific instances, but
 318          * it should not be exposed to application logic.
 319          *
 320          * @note With proper dependency injection used throughout the codebase, this method
 321          * should not be needed. It is provided to allow tests that pollute global service
 322          * instances to clean up.
 323          *
 324          * @param string $name
 325          * @param bool $destroy Whether the service instance should be destroyed if it exists.
 326          *        When set to false, any existing service instance will effectively be detached
 327          *        from the container.
 328          *
 329          * @throws MWException if called outside of PHPUnit tests.
 330          */
 331         public function resetServiceForTesting( $name, $destroy = true ) {
 332                 if ( !defined( 'MW_PHPUNIT_TEST' ) && !defined( 'MW_PARSER_TEST' ) ) {
 333                         throw new MWException( 'resetServiceForTesting() must not be used outside unit tests.' );
 334                 }
 335
 336                 $this->resetService( $name, $destroy );
 337         }
 338
 339         /**
 340          * Convenience method that throws an exception unless it is called during a phase in which
 341          * resetting of global services is allowed. In general, services should not be reset
 342          * individually, since that may introduce inconsistencies.
 343          *
 344          * @since 1.28
 345          *
 346          * This method will throw an exception if:
 347          *
 348          * - self::$resetInProgress is false (to allow all services to be reset together
 349          *   via resetGlobalInstance)
 350          * - and MEDIAWIKI_INSTALL is not defined (to allow services to be reset during installation)
 351          * - and MW_PHPUNIT_TEST is not defined (to allow services to be reset during testing)
 352          *
 353          * This method is intended to be used to safeguard against accidentally resetting
 354          * global service instances that are not yet managed by MediaWikiServices. It is
 355          * defined here in the MediaWikiServices services class to have a central place
 356          * for managing service bootstrapping and resetting.
 357          *
 358          * @param string $method the name of the caller method, as given by __METHOD__.
 359          *
 360          * @throws MWException if called outside bootstrap mode.
 361          *
 362          * @see resetGlobalInstance()
 363          * @see forceGlobalInstance()
 364          * @see disableStorageBackend()
 365          */
 366         public static function failIfResetNotAllowed( $method ) {
 367                 if ( !defined( 'MW_PHPUNIT_TEST' )
 368                         && !defined( 'MW_PARSER_TEST' )
 369                         && !defined( 'MEDIAWIKI_INSTALL' )
 370                         && !defined( 'RUN_MAINTENANCE_IF_MAIN' )
 371                         && defined( 'MW_SERVICE_BOOTSTRAP_COMPLETE' )
 372                 ) {
 373                         throw new MWException( $method . ' may only be called during bootstrapping and unit tests!' );
 374                 }
 375         }
 376
 377         /**
 378          * @param Config $config The Config object to be registered as the 'BootstrapConfig' service.
 379          *        This has to contain at least the information needed to set up the 'ConfigFactory'
 380          *        service.
 381          */
 382         public function __construct( Config $config ) {
 383                 parent::__construct();
 384
 385                 // Register the given Config object as the bootstrap config service.
 386                 $this->defineService( 'BootstrapConfig', function () use ( $config ) {
 387                         return $config;
 388                 } );
 389         }
 390
 391         // CONVENIENCE GETTERS ////////////////////////////////////////////////////
 392
 393         /**
 394          * Returns the Config object containing the bootstrap configuration.
 395          * Bootstrap configuration would typically include database credentials
 396          * and other information that may be needed before the ConfigFactory
 397          * service can be instantiated.
 398          *
 399          * @note This should only be used during bootstrapping, in particular
 400          * when creating the MainConfig service. Application logic should
 401          * use getMainConfig() to get a Config instances.
 402          *
 403          * @since 1.27
 404          * @return Config
 405          */
 406         public function getBootstrapConfig() {
 407                 return $this->getService( 'BootstrapConfig' );
 408         }
 409
 410         /**
 411          * @since 1.27
 412          * @return ConfigFactory
 413          */
 414         public function getConfigFactory() {
 415                 return $this->getService( 'ConfigFactory' );
 416         }
 417
 418         /**
 419          * Returns the Config object that provides configuration for MediaWiki core.
 420          * This may or may not be the same object that is returned by getBootstrapConfig().
 421          *
 422          * @since 1.27
 423          * @return Config
 424          */
 425         public function getMainConfig() {
 426                 return $this->getService( 'MainConfig' );
 427         }
 428
 429         /**
 430          * @since 1.27
 431          * @return SiteLookup
 432          */
 433         public function getSiteLookup() {
 434                 return $this->getService( 'SiteLookup' );
 435         }
 436
 437         /**
 438          * @since 1.27
 439          * @return SiteStore
 440          */
 441         public function getSiteStore() {
 442                 return $this->getService( 'SiteStore' );
 443         }
 444
 445         /**
 446          * @since 1.28
 447          * @return InterwikiLookup
 448          */
 449         public function getInterwikiLookup() {
 450                 return $this->getService( 'InterwikiLookup' );
 451         }
 452
 453         /**
 454          * @since 1.27
 455          * @return IBufferingStatsdDataFactory
 456          */
 457         public function getStatsdDataFactory() {
 458                 return $this->getService( 'StatsdDataFactory' );
 459         }
 460
 461         /**
 462          * @since 1.27
 463          * @return EventRelayerGroup
 464          */
 465         public function getEventRelayerGroup() {
 466                 return $this->getService( 'EventRelayerGroup' );
 467         }
 468
 469         /**
 470          * @since 1.27
 471          * @return SearchEngine
 472          */
 473         public function newSearchEngine() {
 474                 // New engine object every time, since they keep state
 475                 return $this->getService( 'SearchEngineFactory' )->create();
 476         }
 477
 478         /**
 479          * @since 1.27
 480          * @return SearchEngineFactory
 481          */
 482         public function getSearchEngineFactory() {
 483                 return $this->getService( 'SearchEngineFactory' );
 484         }
 485
 486         /**
 487          * @since 1.27
 488          * @return SearchEngineConfig
 489          */
 490         public function getSearchEngineConfig() {
 491                 return $this->getService( 'SearchEngineConfig' );
 492         }
 493
 494         /**
 495          * @since 1.27
 496          * @return SkinFactory
 497          */
 498         public function getSkinFactory() {
 499                 return $this->getService( 'SkinFactory' );
 500         }
 501
 502         /**
 503          * @since 1.28
 504          * @return LBFactory
 505          */
 506         public function getDBLoadBalancerFactory() {
 507                 return $this->getService( 'DBLoadBalancerFactory' );
 508         }
 509
 510         /**
 511          * @since 1.28
 512          * @return LoadBalancer The main DB load balancer for the local wiki.
 513          */
 514         public function getDBLoadBalancer() {
 515                 return $this->getService( 'DBLoadBalancer' );
 516         }
 517
 518         /**
 519          * @since 1.28
 520          * @return WatchedItemStoreInterface
 521          */
 522         public function getWatchedItemStore() {
 523                 return $this->getService( 'WatchedItemStore' );
 524         }
 525
 526         /**
 527          * @since 1.28
 528          * @return WatchedItemQueryService
 529          */
 530         public function getWatchedItemQueryService() {
 531                 return $this->getService( 'WatchedItemQueryService' );
 532         }
 533
 534         /**
 535          * @since 1.28
 536          * @return CryptRand
 537          */
 538         public function getCryptRand() {
 539                 return $this->getService( 'CryptRand' );
 540         }
 541
 542         /**
 543          * @since 1.28
 544          * @return CryptHKDF
 545          */
 546         public function getCryptHKDF() {
 547                 return $this->getService( 'CryptHKDF' );
 548         }
 549
 550         /**
 551          * @since 1.28
 552          * @return MediaHandlerFactory
 553          */
 554         public function getMediaHandlerFactory() {
 555                 return $this->getService( 'MediaHandlerFactory' );
 556         }
 557
 558         /**
 559          * @since 1.28
 560          * @return MimeAnalyzer
 561          */
 562         public function getMimeAnalyzer() {
 563                 return $this->getService( 'MimeAnalyzer' );
 564         }
 565
 566         /**
 567          * @since 1.28
 568          * @return ProxyLookup
 569          */
 570         public function getProxyLookup() {
 571                 return $this->getService( 'ProxyLookup' );
 572         }
 573
 574         /**
 575          * @since 1.29
 576          * @return Parser
 577          */
 578         public function getParser() {
 579                 return $this->getService( 'Parser' );
 580         }
 581
 582         /**
 583          * @since 1.30
 584          * @return ParserCache
 585          */
 586         public function getParserCache() {
 587                 return $this->getService( 'ParserCache' );
 588         }
 589
 590         /**
 591          * @since 1.28
 592          * @return GenderCache
 593          */
 594         public function getGenderCache() {
 595                 return $this->getService( 'GenderCache' );
 596         }
 597
 598         /**
 599          * @since 1.28
 600          * @return LinkCache
 601          */
 602         public function getLinkCache() {
 603                 return $this->getService( 'LinkCache' );
 604         }
 605
 606         /**
 607          * @since 1.28
 608          * @return LinkRendererFactory
 609          */
 610         public function getLinkRendererFactory() {
 611                 return $this->getService( 'LinkRendererFactory' );
 612         }
 613
 614         /**
 615          * LinkRenderer instance that can be used
 616          * if no custom options are needed
 617          *
 618          * @since 1.28
 619          * @return LinkRenderer
 620          */
 621         public function getLinkRenderer() {
 622                 return $this->getService( 'LinkRenderer' );
 623         }
 624
 625         /**
 626          * @since 1.28
 627          * @return TitleFormatter
 628          */
 629         public function getTitleFormatter() {
 630                 return $this->getService( 'TitleFormatter' );
 631         }
 632
 633         /**
 634          * @since 1.28
 635          * @return TitleParser
 636          */
 637         public function getTitleParser() {
 638                 return $this->getService( 'TitleParser' );
 639         }
 640
 641         /**
 642          * @since 1.28
 643          * @return \BagOStuff
 644          */
 645         public function getMainObjectStash() {
 646                 return $this->getService( 'MainObjectStash' );
 647         }
 648
 649         /**
 650          * @since 1.28
 651          * @return \WANObjectCache
 652          */
 653         public function getMainWANObjectCache() {
 654                 return $this->getService( 'MainWANObjectCache' );
 655         }
 656
 657         /**
 658          * @since 1.28
 659          * @return \BagOStuff
 660          */
 661         public function getLocalServerObjectCache() {
 662                 return $this->getService( 'LocalServerObjectCache' );
 663         }
 664
 665         /**
 666          * @since 1.28
 667          * @return VirtualRESTServiceClient
 668          */
 669         public function getVirtualRESTServiceClient() {
 670                 return $this->getService( 'VirtualRESTServiceClient' );
 671         }
 672
 673         /**
 674          * @since 1.29
 675          * @return \ConfiguredReadOnlyMode
 676          */
 677         public function getConfiguredReadOnlyMode() {
 678                 return $this->getService( 'ConfiguredReadOnlyMode' );
 679         }
 680
 681         /**
 682          * @since 1.29
 683          * @return \ReadOnlyMode
 684          */
 685         public function getReadOnlyMode() {
 686                 return $this->getService( 'ReadOnlyMode' );
 687         }
 688
 689         /**
 690          * @since 1.30
 691          * @return CommandFactory
 692          */
 693         public function getShellCommandFactory() {
 694                 return $this->getService( 'ShellCommandFactory' );
 695         }
 696
 697         /**
 698          * @since 1.31
 699          * @return \ExternalStoreFactory
 700          */
 701         public function getExternalStoreFactory() {
 702                 return $this->getService( 'ExternalStoreFactory' );
 703         }
 704
 705         /**
 706          * @since 1.31
 707          * @return BlobStoreFactory
 708          */
 709         public function getBlobStoreFactory() {
 710                 return $this->getService( 'BlobStoreFactory' );
 711         }
 712
 713         /**
 714          * @since 1.31
 715          * @return BlobStore
 716          */
 717         public function getBlobStore() {
 718                 return $this->getService( '_SqlBlobStore' );
 719         }
 720
 721         /**
 722          * @since 1.31
 723          * @return RevisionStore
 724          */
 725         public function getRevisionStore() {
 726                 return $this->getService( 'RevisionStore' );
 727         }
 728
 729         /**
 730          * @since 1.31
 731          * @return PreferencesFactory
 732          */
 733         public function getPreferencesFactory() {
 734                 return $this->getService( 'PreferencesFactory' );
 735         }
 736
 737         ///////////////////////////////////////////////////////////////////////////
 738         // NOTE: When adding a service getter here, don't forget to add a test
 739         // case for it in MediaWikiServicesTest::provideGetters() and in
 740         // MediaWikiServicesTest::provideGetService()!
 741         ///////////////////////////////////////////////////////////////////////////
 742
 743 }