tests/phpunit/includes/session/SessionBackendTest.php

   1 <?php
   2
   3 namespace MediaWiki\Session;
   4
   5 use MediaWikiTestCase;
   6 use User;
   7
   8 /**
   9  * @group Session
  10  * @group Database
  11  * @covers MediaWiki\Session\SessionBackend
  12  */
  13 class SessionBackendTest extends MediaWikiTestCase {
  14         const SESSIONID = 'aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa';
  15
  16         protected $manager;
  17         protected $config;
  18         protected $provider;
  19         protected $store;
  20
  21         protected $onSessionMetadataCalled = false;
  22
  23         /**
  24          * Returns a non-persistent backend that thinks it has at least one session active
  25          * @param User|null $user
  26          * @param string $id
  27          */
  28         protected function getBackend( User $user = null, $id = null ) {
  29                 if ( !$this->config ) {
  30                         $this->config = new \HashConfig();
  31                         $this->manager = null;
  32                 }
  33                 if ( !$this->store ) {
  34                         $this->store = new TestBagOStuff();
  35                         $this->manager = null;
  36                 }
  37
  38                 $logger = new \Psr\Log\NullLogger();
  39                 if ( !$this->manager ) {
  40                         $this->manager = new SessionManager( [
  41                                 'store' => $this->store,
  42                                 'logger' => $logger,
  43                                 'config' => $this->config,
  44                         ] );
  45                 }
  46
  47                 if ( !$this->provider ) {
  48                         $this->provider = new \DummySessionProvider();
  49                 }
  50                 $this->provider->setLogger( $logger );
  51                 $this->provider->setConfig( $this->config );
  52                 $this->provider->setManager( $this->manager );
  53
  54                 $info = new SessionInfo( SessionInfo::MIN_PRIORITY, [
  55                         'provider' => $this->provider,
  56                         'id' => $id ?: self::SESSIONID,
  57                         'persisted' => true,
  58                         'userInfo' => UserInfo::newFromUser( $user ?: new User, true ),
  59                         'idIsSafe' => true,
  60                 ] );
  61                 $id = new SessionId( $info->getId() );
  62
  63                 $backend = new SessionBackend( $id, $info, $this->store, $logger, 10 );
  64                 $priv = \TestingAccessWrapper::newFromObject( $backend );
  65                 $priv->persist = false;
  66                 $priv->requests = [ 100 => new \FauxRequest() ];
  67                 $priv->requests[100]->setSessionId( $id );
  68                 $priv->usePhpSessionHandling = false;
  69
  70                 $manager = \TestingAccessWrapper::newFromObject( $this->manager );
  71                 $manager->allSessionBackends = [ $backend->getId() => $backend ] + $manager->allSessionBackends;
  72                 $manager->allSessionIds = [ $backend->getId() => $id ] + $manager->allSessionIds;
  73                 $manager->sessionProviders = [ (string)$this->provider => $this->provider ];
  74
  75                 return $backend;
  76         }
  77
  78         public function testConstructor() {
  79                 // Set variables
  80                 $this->getBackend();
  81
  82                 $info = new SessionInfo( SessionInfo::MIN_PRIORITY, [
  83                         'provider' => $this->provider,
  84                         'id' => self::SESSIONID,
  85                         'persisted' => true,
  86                         'userInfo' => UserInfo::newFromName( 'UTSysop', false ),
  87                         'idIsSafe' => true,
  88                 ] );
  89                 $id = new SessionId( $info->getId() );
  90                 $logger = new \Psr\Log\NullLogger();
  91                 try {
  92                         new SessionBackend( $id, $info, $this->store, $logger, 10 );
  93                         $this->fail( 'Expected exception not thrown' );
  94                 } catch ( \InvalidArgumentException $ex ) {
  95                         $this->assertSame(
  96                                 "Refusing to create session for unverified user {$info->getUserInfo()}",
  97                                 $ex->getMessage()
  98                         );
  99                 }
 100
 101                 $info = new SessionInfo( SessionInfo::MIN_PRIORITY, [
 102                         'id' => self::SESSIONID,
 103                         'userInfo' => UserInfo::newFromName( 'UTSysop', true ),
 104                         'idIsSafe' => true,
 105                 ] );
 106                 $id = new SessionId( $info->getId() );
 107                 try {
 108                         new SessionBackend( $id, $info, $this->store, $logger, 10 );
 109                         $this->fail( 'Expected exception not thrown' );
 110                 } catch ( \InvalidArgumentException $ex ) {
 111                         $this->assertSame( 'Cannot create session without a provider', $ex->getMessage() );
 112                 }
 113
 114                 $info = new SessionInfo( SessionInfo::MIN_PRIORITY, [
 115                         'provider' => $this->provider,
 116                         'id' => self::SESSIONID,
 117                         'persisted' => true,
 118                         'userInfo' => UserInfo::newFromName( 'UTSysop', true ),
 119                         'idIsSafe' => true,
 120                 ] );
 121                 $id = new SessionId( '!' . $info->getId() );
 122                 try {
 123                         new SessionBackend( $id, $info, $this->store, $logger, 10 );
 124                         $this->fail( 'Expected exception not thrown' );
 125                 } catch ( \InvalidArgumentException $ex ) {
 126                         $this->assertSame(
 127                                 'SessionId and SessionInfo don\'t match',
 128                                 $ex->getMessage()
 129                         );
 130                 }
 131
 132                 $info = new SessionInfo( SessionInfo::MIN_PRIORITY, [
 133                         'provider' => $this->provider,
 134                         'id' => self::SESSIONID,
 135                         'persisted' => true,
 136                         'userInfo' => UserInfo::newFromName( 'UTSysop', true ),
 137                         'idIsSafe' => true,
 138                 ] );
 139                 $id = new SessionId( $info->getId() );
 140                 $backend = new SessionBackend( $id, $info, $this->store, $logger, 10 );
 141                 $this->assertSame( self::SESSIONID, $backend->getId() );
 142                 $this->assertSame( $id, $backend->getSessionId() );
 143                 $this->assertSame( $this->provider, $backend->getProvider() );
 144                 $this->assertInstanceOf( 'User', $backend->getUser() );
 145                 $this->assertSame( 'UTSysop', $backend->getUser()->getName() );
 146                 $this->assertSame( $info->wasPersisted(), $backend->isPersistent() );
 147                 $this->assertSame( $info->wasRemembered(), $backend->shouldRememberUser() );
 148                 $this->assertSame( $info->forceHTTPS(), $backend->shouldForceHTTPS() );
 149
 150                 $expire = time() + 100;
 151                 $this->store->setSessionMeta( self::SESSIONID, [ 'expires' => $expire ], 2 );
 152
 153                 $info = new SessionInfo( SessionInfo::MIN_PRIORITY, [
 154                         'provider' => $this->provider,
 155                         'id' => self::SESSIONID,
 156                         'persisted' => true,
 157                         'forceHTTPS' => true,
 158                         'metadata' => [ 'foo' ],
 159                         'idIsSafe' => true,
 160                 ] );
 161                 $id = new SessionId( $info->getId() );
 162                 $backend = new SessionBackend( $id, $info, $this->store, $logger, 10 );
 163                 $this->assertSame( self::SESSIONID, $backend->getId() );
 164                 $this->assertSame( $id, $backend->getSessionId() );
 165                 $this->assertSame( $this->provider, $backend->getProvider() );
 166                 $this->assertInstanceOf( 'User', $backend->getUser() );
 167                 $this->assertTrue( $backend->getUser()->isAnon() );
 168                 $this->assertSame( $info->wasPersisted(), $backend->isPersistent() );
 169                 $this->assertSame( $info->wasRemembered(), $backend->shouldRememberUser() );
 170                 $this->assertSame( $info->forceHTTPS(), $backend->shouldForceHTTPS() );
 171                 $this->assertSame( $expire, \TestingAccessWrapper::newFromObject( $backend )->expires );
 172                 $this->assertSame( [ 'foo' ], $backend->getProviderMetadata() );
 173         }
 174
 175         public function testSessionStuff() {
 176                 $backend = $this->getBackend();
 177                 $priv = \TestingAccessWrapper::newFromObject( $backend );
 178                 $priv->requests = []; // Remove dummy session
 179
 180                 $manager = \TestingAccessWrapper::newFromObject( $this->manager );
 181
 182                 $request1 = new \FauxRequest();
 183                 $session1 = $backend->getSession( $request1 );
 184                 $request2 = new \FauxRequest();
 185                 $session2 = $backend->getSession( $request2 );
 186
 187                 $this->assertInstanceOf( Session::class, $session1 );
 188                 $this->assertInstanceOf( Session::class, $session2 );
 189                 $this->assertSame( 2, count( $priv->requests ) );
 190
 191                 $index = \TestingAccessWrapper::newFromObject( $session1 )->index;
 192
 193                 $this->assertSame( $request1, $backend->getRequest( $index ) );
 194                 $this->assertSame( null, $backend->suggestLoginUsername( $index ) );
 195                 $request1->setCookie( 'UserName', 'Example' );
 196                 $this->assertSame( 'Example', $backend->suggestLoginUsername( $index ) );
 197
 198                 $session1 = null;
 199                 $this->assertSame( 1, count( $priv->requests ) );
 200                 $this->assertArrayHasKey( $backend->getId(), $manager->allSessionBackends );
 201                 $this->assertSame( $backend, $manager->allSessionBackends[$backend->getId()] );
 202                 try {
 203                         $backend->getRequest( $index );
 204                         $this->fail( 'Expected exception not thrown' );
 205                 } catch ( \InvalidArgumentException $ex ) {
 206                         $this->assertSame( 'Invalid session index', $ex->getMessage() );
 207                 }
 208                 try {
 209                         $backend->suggestLoginUsername( $index );
 210                         $this->fail( 'Expected exception not thrown' );
 211                 } catch ( \InvalidArgumentException $ex ) {
 212                         $this->assertSame( 'Invalid session index', $ex->getMessage() );
 213                 }
 214
 215                 $session2 = null;
 216                 $this->assertSame( 0, count( $priv->requests ) );
 217                 $this->assertArrayNotHasKey( $backend->getId(), $manager->allSessionBackends );
 218                 $this->assertArrayHasKey( $backend->getId(), $manager->allSessionIds );
 219         }
 220
 221         public function testSetProviderMetadata() {
 222                 $backend = $this->getBackend();
 223                 $priv = \TestingAccessWrapper::newFromObject( $backend );
 224                 $priv->providerMetadata = [ 'dummy' ];
 225
 226                 try {
 227                         $backend->setProviderMetadata( 'foo' );
 228                         $this->fail( 'Expected exception not thrown' );
 229                 } catch ( \InvalidArgumentException $ex ) {
 230                         $this->assertSame( '$metadata must be an array or null', $ex->getMessage() );
 231                 }
 232
 233                 try {
 234                         $backend->setProviderMetadata( (object)[] );
 235                         $this->fail( 'Expected exception not thrown' );
 236                 } catch ( \InvalidArgumentException $ex ) {
 237                         $this->assertSame( '$metadata must be an array or null', $ex->getMessage() );
 238                 }
 239
 240                 $this->assertFalse( $this->store->getSession( self::SESSIONID ), 'sanity check' );
 241                 $backend->setProviderMetadata( [ 'dummy' ] );
 242                 $this->assertFalse( $this->store->getSession( self::SESSIONID ) );
 243
 244                 $this->assertFalse( $this->store->getSession( self::SESSIONID ), 'sanity check' );
 245                 $backend->setProviderMetadata( [ 'test' ] );
 246                 $this->assertNotFalse( $this->store->getSession( self::SESSIONID ) );
 247                 $this->assertSame( [ 'test' ], $backend->getProviderMetadata() );
 248                 $this->store->deleteSession( self::SESSIONID );
 249
 250                 $this->assertFalse( $this->store->getSession( self::SESSIONID ), 'sanity check' );
 251                 $backend->setProviderMetadata( null );
 252                 $this->assertNotFalse( $this->store->getSession( self::SESSIONID ) );
 253                 $this->assertSame( null, $backend->getProviderMetadata() );
 254                 $this->store->deleteSession( self::SESSIONID );
 255         }
 256
 257         public function testResetId() {
 258                 $id = session_id();
 259
 260                 $builder = $this->getMockBuilder( 'DummySessionProvider' )
 261                         ->setMethods( [ 'persistsSessionId', 'sessionIdWasReset' ] );
 262
 263                 $this->provider = $builder->getMock();
 264                 $this->provider->expects( $this->any() )->method( 'persistsSessionId' )
 265                         ->will( $this->returnValue( false ) );
 266                 $this->provider->expects( $this->never() )->method( 'sessionIdWasReset' );
 267                 $backend = $this->getBackend( User::newFromName( 'UTSysop' ) );
 268                 $manager = \TestingAccessWrapper::newFromObject( $this->manager );
 269                 $sessionId = $backend->getSessionId();
 270                 $backend->resetId();
 271                 $this->assertSame( self::SESSIONID, $backend->getId() );
 272                 $this->assertSame( $backend->getId(), $sessionId->getId() );
 273                 $this->assertSame( $id, session_id() );
 274                 $this->assertSame( $backend, $manager->allSessionBackends[self::SESSIONID] );
 275
 276                 $this->provider = $builder->getMock();
 277                 $this->provider->expects( $this->any() )->method( 'persistsSessionId' )
 278                         ->will( $this->returnValue( true ) );
 279                 $backend = $this->getBackend();
 280                 $this->provider->expects( $this->once() )->method( 'sessionIdWasReset' )
 281                         ->with( $this->identicalTo( $backend ), $this->identicalTo( self::SESSIONID ) );
 282                 $manager = \TestingAccessWrapper::newFromObject( $this->manager );
 283                 $sessionId = $backend->getSessionId();
 284                 $backend->resetId();
 285                 $this->assertNotEquals( self::SESSIONID, $backend->getId() );
 286                 $this->assertSame( $backend->getId(), $sessionId->getId() );
 287                 $this->assertInternalType( 'array', $this->store->getSession( $backend->getId() ) );
 288                 $this->assertFalse( $this->store->getSession( self::SESSIONID ) );
 289                 $this->assertSame( $id, session_id() );
 290                 $this->assertArrayNotHasKey( self::SESSIONID, $manager->allSessionBackends );
 291                 $this->assertArrayHasKey( $backend->getId(), $manager->allSessionBackends );
 292                 $this->assertSame( $backend, $manager->allSessionBackends[$backend->getId()] );
 293         }
 294
 295         public function testPersist() {
 296                 $this->provider = $this->getMock( 'DummySessionProvider', [ 'persistSession' ] );
 297                 $this->provider->expects( $this->once() )->method( 'persistSession' );
 298                 $backend = $this->getBackend();
 299                 $this->assertFalse( $backend->isPersistent(), 'sanity check' );
 300                 $backend->save(); // This one shouldn't call $provider->persistSession()
 301
 302                 $backend->persist();
 303                 $this->assertTrue( $backend->isPersistent(), 'sanity check' );
 304
 305                 $this->provider = null;
 306                 $backend = $this->getBackend();
 307                 $wrap = \TestingAccessWrapper::newFromObject( $backend );
 308                 $wrap->persist = true;
 309                 $wrap->expires = 0;
 310                 $backend->persist();
 311                 $this->assertNotEquals( 0, $wrap->expires );
 312         }
 313
 314         public function testUnpersist() {
 315                 $this->provider = $this->getMock( 'DummySessionProvider', [ 'unpersistSession' ] );
 316                 $this->provider->expects( $this->once() )->method( 'unpersistSession' );
 317                 $backend = $this->getBackend();
 318                 $wrap = \TestingAccessWrapper::newFromObject( $backend );
 319                 $wrap->store = new \CachedBagOStuff( $this->store );
 320                 $wrap->persist = true;
 321                 $wrap->dataDirty = true;
 322
 323                 $backend->save(); // This one shouldn't call $provider->persistSession(), but should save
 324                 $this->assertTrue( $backend->isPersistent(), 'sanity check' );
 325                 $this->assertNotFalse( $this->store->getSession( self::SESSIONID ), 'sanity check' );
 326
 327                 $backend->unpersist();
 328                 $this->assertFalse( $backend->isPersistent() );
 329                 $this->assertFalse( $this->store->getSession( self::SESSIONID ) );
 330                 $this->assertNotFalse( $wrap->store->get( wfMemcKey( 'MWSession', self::SESSIONID ) ) );
 331         }
 332
 333         public function testRememberUser() {
 334                 $backend = $this->getBackend();
 335
 336                 $remembered = $backend->shouldRememberUser();
 337                 $backend->setRememberUser( !$remembered );
 338                 $this->assertNotEquals( $remembered, $backend->shouldRememberUser() );
 339                 $backend->setRememberUser( $remembered );
 340                 $this->assertEquals( $remembered, $backend->shouldRememberUser() );
 341         }
 342
 343         public function testForceHTTPS() {
 344                 $backend = $this->getBackend();
 345
 346                 $force = $backend->shouldForceHTTPS();
 347                 $backend->setForceHTTPS( !$force );
 348                 $this->assertNotEquals( $force, $backend->shouldForceHTTPS() );
 349                 $backend->setForceHTTPS( $force );
 350                 $this->assertEquals( $force, $backend->shouldForceHTTPS() );
 351         }
 352
 353         public function testLoggedOutTimestamp() {
 354                 $backend = $this->getBackend();
 355
 356                 $backend->setLoggedOutTimestamp( 42 );
 357                 $this->assertSame( 42, $backend->getLoggedOutTimestamp() );
 358                 $backend->setLoggedOutTimestamp( '123' );
 359                 $this->assertSame( 123, $backend->getLoggedOutTimestamp() );
 360         }
 361
 362         public function testSetUser() {
 363                 $user = static::getTestSysop()->getUser();
 364
 365                 $this->provider = $this->getMock( 'DummySessionProvider', [ 'canChangeUser' ] );
 366                 $this->provider->expects( $this->any() )->method( 'canChangeUser' )
 367                         ->will( $this->returnValue( false ) );
 368                 $backend = $this->getBackend();
 369                 $this->assertFalse( $backend->canSetUser() );
 370                 try {
 371                         $backend->setUser( $user );
 372                         $this->fail( 'Expected exception not thrown' );
 373                 } catch ( \BadMethodCallException $ex ) {
 374                         $this->assertSame(
 375                                 'Cannot set user on this session; check $session->canSetUser() first',
 376                                 $ex->getMessage()
 377                         );
 378                 }
 379                 $this->assertNotSame( $user, $backend->getUser() );
 380
 381                 $this->provider = null;
 382                 $backend = $this->getBackend();
 383                 $this->assertTrue( $backend->canSetUser() );
 384                 $this->assertNotSame( $user, $backend->getUser(), 'sanity check' );
 385                 $backend->setUser( $user );
 386                 $this->assertSame( $user, $backend->getUser() );
 387         }
 388
 389         public function testDirty() {
 390                 $backend = $this->getBackend();
 391                 $priv = \TestingAccessWrapper::newFromObject( $backend );
 392                 $priv->dataDirty = false;
 393                 $backend->dirty();
 394                 $this->assertTrue( $priv->dataDirty );
 395         }
 396
 397         public function testGetData() {
 398                 $backend = $this->getBackend();
 399                 $data = $backend->getData();
 400                 $this->assertSame( [], $data );
 401                 $this->assertTrue( \TestingAccessWrapper::newFromObject( $backend )->dataDirty );
 402                 $data['???'] = '!!!';
 403                 $this->assertSame( [ '???' => '!!!' ], $data );
 404
 405                 $testData = [ 'foo' => 'foo!', 'bar', [ 'baz', null ] ];
 406                 $this->store->setSessionData( self::SESSIONID, $testData );
 407                 $backend = $this->getBackend();
 408                 $this->assertSame( $testData, $backend->getData() );
 409                 $this->assertFalse( \TestingAccessWrapper::newFromObject( $backend )->dataDirty );
 410         }
 411
 412         public function testAddData() {
 413                 $backend = $this->getBackend();
 414                 $priv = \TestingAccessWrapper::newFromObject( $backend );
 415
 416                 $priv->data = [ 'foo' => 1 ];
 417                 $priv->dataDirty = false;
 418                 $backend->addData( [ 'foo' => 1 ] );
 419                 $this->assertSame( [ 'foo' => 1 ], $priv->data );
 420                 $this->assertFalse( $priv->dataDirty );
 421
 422                 $priv->data = [ 'foo' => 1 ];
 423                 $priv->dataDirty = false;
 424                 $backend->addData( [ 'foo' => '1' ] );
 425                 $this->assertSame( [ 'foo' => '1' ], $priv->data );
 426                 $this->assertTrue( $priv->dataDirty );
 427
 428                 $priv->data = [ 'foo' => 1 ];
 429                 $priv->dataDirty = false;
 430                 $backend->addData( [ 'bar' => 2 ] );
 431                 $this->assertSame( [ 'foo' => 1, 'bar' => 2 ], $priv->data );
 432                 $this->assertTrue( $priv->dataDirty );
 433         }
 434
 435         public function testDelaySave() {
 436                 $this->mergeMwGlobalArrayValue( 'wgHooks', [ 'SessionMetadata' => [ $this ] ] );
 437                 $backend = $this->getBackend();
 438                 $priv = \TestingAccessWrapper::newFromObject( $backend );
 439                 $priv->persist = true;
 440
 441                 // Saves happen normally when no delay is in effect
 442                 $this->onSessionMetadataCalled = false;
 443                 $priv->metaDirty = true;
 444                 $backend->save();
 445                 $this->assertTrue( $this->onSessionMetadataCalled, 'sanity check' );
 446
 447                 $this->onSessionMetadataCalled = false;
 448                 $priv->metaDirty = true;
 449                 $priv->autosave();
 450                 $this->assertTrue( $this->onSessionMetadataCalled, 'sanity check' );
 451
 452                 $delay = $backend->delaySave();
 453
 454                 // Autosave doesn't happen when no delay is in effect
 455                 $this->onSessionMetadataCalled = false;
 456                 $priv->metaDirty = true;
 457                 $priv->autosave();
 458                 $this->assertFalse( $this->onSessionMetadataCalled );
 459
 460                 // Save still does happen when no delay is in effect
 461                 $priv->save();
 462                 $this->assertTrue( $this->onSessionMetadataCalled );
 463
 464                 // Save happens when delay is consumed
 465                 $this->onSessionMetadataCalled = false;
 466                 $priv->metaDirty = true;
 467                 \Wikimedia\ScopedCallback::consume( $delay );
 468                 $this->assertTrue( $this->onSessionMetadataCalled );
 469
 470                 // Test multiple delays
 471                 $delay1 = $backend->delaySave();
 472                 $delay2 = $backend->delaySave();
 473                 $delay3 = $backend->delaySave();
 474                 $this->onSessionMetadataCalled = false;
 475                 $priv->metaDirty = true;
 476                 $priv->autosave();
 477                 $this->assertFalse( $this->onSessionMetadataCalled );
 478                 \Wikimedia\ScopedCallback::consume( $delay3 );
 479                 $this->assertFalse( $this->onSessionMetadataCalled );
 480                 \Wikimedia\ScopedCallback::consume( $delay1 );
 481                 $this->assertFalse( $this->onSessionMetadataCalled );
 482                 \Wikimedia\ScopedCallback::consume( $delay2 );
 483                 $this->assertTrue( $this->onSessionMetadataCalled );
 484         }
 485
 486         public function testSave() {
 487                 $user = static::getTestSysop()->getUser();
 488                 $this->store = new TestBagOStuff();
 489                 $testData = [ 'foo' => 'foo!', 'bar', [ 'baz', null ] ];
 490
 491                 $neverHook = $this->getMock( __CLASS__, [ 'onSessionMetadata' ] );
 492                 $neverHook->expects( $this->never() )->method( 'onSessionMetadata' );
 493
 494                 $builder = $this->getMockBuilder( 'DummySessionProvider' )
 495                         ->setMethods( [ 'persistSession', 'unpersistSession' ] );
 496
 497                 $neverProvider = $builder->getMock();
 498                 $neverProvider->expects( $this->never() )->method( 'persistSession' );
 499                 $neverProvider->expects( $this->never() )->method( 'unpersistSession' );
 500
 501                 // Not persistent or dirty
 502                 $this->provider = $neverProvider;
 503                 $this->mergeMwGlobalArrayValue( 'wgHooks', [ 'SessionMetadata' => [ $neverHook ] ] );
 504                 $this->store->setSessionData( self::SESSIONID, $testData );
 505                 $backend = $this->getBackend( $user );
 506                 $this->store->deleteSession( self::SESSIONID );
 507                 $this->assertFalse( $backend->isPersistent(), 'sanity check' );
 508                 \TestingAccessWrapper::newFromObject( $backend )->metaDirty = false;
 509                 \TestingAccessWrapper::newFromObject( $backend )->dataDirty = false;
 510                 $backend->save();
 511                 $this->assertFalse( $this->store->getSession( self::SESSIONID ), 'making sure it didn\'t save' );
 512
 513                 // (but does unpersist if forced)
 514                 $this->provider = $builder->getMock();
 515                 $this->provider->expects( $this->never() )->method( 'persistSession' );
 516                 $this->provider->expects( $this->atLeastOnce() )->method( 'unpersistSession' );
 517                 $this->mergeMwGlobalArrayValue( 'wgHooks', [ 'SessionMetadata' => [ $neverHook ] ] );
 518                 $this->store->setSessionData( self::SESSIONID, $testData );
 519                 $backend = $this->getBackend( $user );
 520                 $this->store->deleteSession( self::SESSIONID );
 521                 \TestingAccessWrapper::newFromObject( $backend )->persist = false;
 522                 \TestingAccessWrapper::newFromObject( $backend )->forcePersist = true;
 523                 $this->assertFalse( $backend->isPersistent(), 'sanity check' );
 524                 \TestingAccessWrapper::newFromObject( $backend )->metaDirty = false;
 525                 \TestingAccessWrapper::newFromObject( $backend )->dataDirty = false;
 526                 $backend->save();
 527                 $this->assertFalse( $this->store->getSession( self::SESSIONID ), 'making sure it didn\'t save' );
 528
 529                 // (but not to a WebRequest associated with a different session)
 530                 $this->provider = $neverProvider;
 531                 $this->mergeMwGlobalArrayValue( 'wgHooks', [ 'SessionMetadata' => [ $neverHook ] ] );
 532                 $this->store->setSessionData( self::SESSIONID, $testData );
 533                 $backend = $this->getBackend( $user );
 534                 \TestingAccessWrapper::newFromObject( $backend )->requests[100]
 535                         ->setSessionId( new SessionId( 'x' ) );
 536                 $this->store->deleteSession( self::SESSIONID );
 537                 \TestingAccessWrapper::newFromObject( $backend )->persist = false;
 538                 \TestingAccessWrapper::newFromObject( $backend )->forcePersist = true;
 539                 $this->assertFalse( $backend->isPersistent(), 'sanity check' );
 540                 \TestingAccessWrapper::newFromObject( $backend )->metaDirty = false;
 541                 \TestingAccessWrapper::newFromObject( $backend )->dataDirty = false;
 542                 $backend->save();
 543                 $this->assertFalse( $this->store->getSession( self::SESSIONID ), 'making sure it didn\'t save' );
 544
 545                 // Not persistent, but dirty
 546                 $this->provider = $neverProvider;
 547                 $this->onSessionMetadataCalled = false;
 548                 $this->mergeMwGlobalArrayValue( 'wgHooks', [ 'SessionMetadata' => [ $this ] ] );
 549                 $this->store->setSessionData( self::SESSIONID, $testData );
 550                 $backend = $this->getBackend( $user );
 551                 $this->store->deleteSession( self::SESSIONID );
 552                 $this->assertFalse( $backend->isPersistent(), 'sanity check' );
 553                 \TestingAccessWrapper::newFromObject( $backend )->metaDirty = false;
 554                 \TestingAccessWrapper::newFromObject( $backend )->dataDirty = true;
 555                 $backend->save();
 556                 $this->assertTrue( $this->onSessionMetadataCalled );
 557                 $blob = $this->store->getSession( self::SESSIONID );
 558                 $this->assertInternalType( 'array', $blob );
 559                 $this->assertArrayHasKey( 'metadata', $blob );
 560                 $metadata = $blob['metadata'];
 561                 $this->assertInternalType( 'array', $metadata );
 562                 $this->assertArrayHasKey( '???', $metadata );
 563                 $this->assertSame( '!!!', $metadata['???'] );
 564                 $this->assertFalse( $this->store->getSessionFromBackend( self::SESSIONID ),
 565                         'making sure it didn\'t save to backend' );
 566
 567                 // Persistent, not dirty
 568                 $this->provider = $neverProvider;
 569                 $this->mergeMwGlobalArrayValue( 'wgHooks', [ 'SessionMetadata' => [ $neverHook ] ] );
 570                 $this->store->setSessionData( self::SESSIONID, $testData );
 571                 $backend = $this->getBackend( $user );
 572                 $this->store->deleteSession( self::SESSIONID );
 573                 \TestingAccessWrapper::newFromObject( $backend )->persist = true;
 574                 $this->assertTrue( $backend->isPersistent(), 'sanity check' );
 575                 \TestingAccessWrapper::newFromObject( $backend )->metaDirty = false;
 576                 \TestingAccessWrapper::newFromObject( $backend )->dataDirty = false;
 577                 $backend->save();
 578                 $this->assertFalse( $this->store->getSession( self::SESSIONID ), 'making sure it didn\'t save' );
 579
 580                 // (but will persist if forced)
 581                 $this->provider = $builder->getMock();
 582                 $this->provider->expects( $this->atLeastOnce() )->method( 'persistSession' );
 583                 $this->provider->expects( $this->never() )->method( 'unpersistSession' );
 584                 $this->mergeMwGlobalArrayValue( 'wgHooks', [ 'SessionMetadata' => [ $neverHook ] ] );
 585                 $this->store->setSessionData( self::SESSIONID, $testData );
 586                 $backend = $this->getBackend( $user );
 587                 $this->store->deleteSession( self::SESSIONID );
 588                 \TestingAccessWrapper::newFromObject( $backend )->persist = true;
 589                 \TestingAccessWrapper::newFromObject( $backend )->forcePersist = true;
 590                 $this->assertTrue( $backend->isPersistent(), 'sanity check' );
 591                 \TestingAccessWrapper::newFromObject( $backend )->metaDirty = false;
 592                 \TestingAccessWrapper::newFromObject( $backend )->dataDirty = false;
 593                 $backend->save();
 594                 $this->assertFalse( $this->store->getSession( self::SESSIONID ), 'making sure it didn\'t save' );
 595
 596                 // Persistent and dirty
 597                 $this->provider = $neverProvider;
 598                 $this->onSessionMetadataCalled = false;
 599                 $this->mergeMwGlobalArrayValue( 'wgHooks', [ 'SessionMetadata' => [ $this ] ] );
 600                 $this->store->setSessionData( self::SESSIONID, $testData );
 601                 $backend = $this->getBackend( $user );
 602                 $this->store->deleteSession( self::SESSIONID );
 603                 \TestingAccessWrapper::newFromObject( $backend )->persist = true;
 604                 $this->assertTrue( $backend->isPersistent(), 'sanity check' );
 605                 \TestingAccessWrapper::newFromObject( $backend )->metaDirty = false;
 606                 \TestingAccessWrapper::newFromObject( $backend )->dataDirty = true;
 607                 $backend->save();
 608                 $this->assertTrue( $this->onSessionMetadataCalled );
 609                 $blob = $this->store->getSession( self::SESSIONID );
 610                 $this->assertInternalType( 'array', $blob );
 611                 $this->assertArrayHasKey( 'metadata', $blob );
 612                 $metadata = $blob['metadata'];
 613                 $this->assertInternalType( 'array', $metadata );
 614                 $this->assertArrayHasKey( '???', $metadata );
 615                 $this->assertSame( '!!!', $metadata['???'] );
 616                 $this->assertNotSame( false, $this->store->getSessionFromBackend( self::SESSIONID ),
 617                         'making sure it did save to backend' );
 618
 619                 // (also persists if forced)
 620                 $this->provider = $builder->getMock();
 621                 $this->provider->expects( $this->atLeastOnce() )->method( 'persistSession' );
 622                 $this->provider->expects( $this->never() )->method( 'unpersistSession' );
 623                 $this->onSessionMetadataCalled = false;
 624                 $this->mergeMwGlobalArrayValue( 'wgHooks', [ 'SessionMetadata' => [ $this ] ] );
 625                 $this->store->setSessionData( self::SESSIONID, $testData );
 626                 $backend = $this->getBackend( $user );
 627                 $this->store->deleteSession( self::SESSIONID );
 628                 \TestingAccessWrapper::newFromObject( $backend )->persist = true;
 629                 \TestingAccessWrapper::newFromObject( $backend )->forcePersist = true;
 630                 $this->assertTrue( $backend->isPersistent(), 'sanity check' );
 631                 \TestingAccessWrapper::newFromObject( $backend )->metaDirty = false;
 632                 \TestingAccessWrapper::newFromObject( $backend )->dataDirty = true;
 633                 $backend->save();
 634                 $this->assertTrue( $this->onSessionMetadataCalled );
 635                 $blob = $this->store->getSession( self::SESSIONID );
 636                 $this->assertInternalType( 'array', $blob );
 637                 $this->assertArrayHasKey( 'metadata', $blob );
 638                 $metadata = $blob['metadata'];
 639                 $this->assertInternalType( 'array', $metadata );
 640                 $this->assertArrayHasKey( '???', $metadata );
 641                 $this->assertSame( '!!!', $metadata['???'] );
 642                 $this->assertNotSame( false, $this->store->getSessionFromBackend( self::SESSIONID ),
 643                         'making sure it did save to backend' );
 644
 645                 // (also persists if metadata dirty)
 646                 $this->provider = $builder->getMock();
 647                 $this->provider->expects( $this->atLeastOnce() )->method( 'persistSession' );
 648                 $this->provider->expects( $this->never() )->method( 'unpersistSession' );
 649                 $this->onSessionMetadataCalled = false;
 650                 $this->mergeMwGlobalArrayValue( 'wgHooks', [ 'SessionMetadata' => [ $this ] ] );
 651                 $this->store->setSessionData( self::SESSIONID, $testData );
 652                 $backend = $this->getBackend( $user );
 653                 $this->store->deleteSession( self::SESSIONID );
 654                 \TestingAccessWrapper::newFromObject( $backend )->persist = true;
 655                 $this->assertTrue( $backend->isPersistent(), 'sanity check' );
 656                 \TestingAccessWrapper::newFromObject( $backend )->metaDirty = true;
 657                 \TestingAccessWrapper::newFromObject( $backend )->dataDirty = false;
 658                 $backend->save();
 659                 $this->assertTrue( $this->onSessionMetadataCalled );
 660                 $blob = $this->store->getSession( self::SESSIONID );
 661                 $this->assertInternalType( 'array', $blob );
 662                 $this->assertArrayHasKey( 'metadata', $blob );
 663                 $metadata = $blob['metadata'];
 664                 $this->assertInternalType( 'array', $metadata );
 665                 $this->assertArrayHasKey( '???', $metadata );
 666                 $this->assertSame( '!!!', $metadata['???'] );
 667                 $this->assertNotSame( false, $this->store->getSessionFromBackend( self::SESSIONID ),
 668                         'making sure it did save to backend' );
 669
 670                 // Not marked dirty, but dirty data
 671                 // (e.g. indirect modification from ArrayAccess::offsetGet)
 672                 $this->provider = $neverProvider;
 673                 $this->onSessionMetadataCalled = false;
 674                 $this->mergeMwGlobalArrayValue( 'wgHooks', [ 'SessionMetadata' => [ $this ] ] );
 675                 $this->store->setSessionData( self::SESSIONID, $testData );
 676                 $backend = $this->getBackend( $user );
 677                 $this->store->deleteSession( self::SESSIONID );
 678                 \TestingAccessWrapper::newFromObject( $backend )->persist = true;
 679                 $this->assertTrue( $backend->isPersistent(), 'sanity check' );
 680                 \TestingAccessWrapper::newFromObject( $backend )->metaDirty = false;
 681                 \TestingAccessWrapper::newFromObject( $backend )->dataDirty = false;
 682                 \TestingAccessWrapper::newFromObject( $backend )->dataHash = 'Doesn\'t match';
 683                 $backend->save();
 684                 $this->assertTrue( $this->onSessionMetadataCalled );
 685                 $blob = $this->store->getSession( self::SESSIONID );
 686                 $this->assertInternalType( 'array', $blob );
 687                 $this->assertArrayHasKey( 'metadata', $blob );
 688                 $metadata = $blob['metadata'];
 689                 $this->assertInternalType( 'array', $metadata );
 690                 $this->assertArrayHasKey( '???', $metadata );
 691                 $this->assertSame( '!!!', $metadata['???'] );
 692                 $this->assertNotSame( false, $this->store->getSessionFromBackend( self::SESSIONID ),
 693                         'making sure it did save to backend' );
 694
 695                 // Bad hook
 696                 $this->provider = null;
 697                 $mockHook = $this->getMock( __CLASS__, [ 'onSessionMetadata' ] );
 698                 $mockHook->expects( $this->any() )->method( 'onSessionMetadata' )
 699                         ->will( $this->returnCallback(
 700                                 function ( SessionBackend $backend, array &$metadata, array $requests ) {
 701                                         $metadata['userId']++;
 702                                 }
 703                         ) );
 704                 $this->mergeMwGlobalArrayValue( 'wgHooks', [ 'SessionMetadata' => [ $mockHook ] ] );
 705                 $this->store->setSessionData( self::SESSIONID, $testData );
 706                 $backend = $this->getBackend( $user );
 707                 $backend->dirty();
 708                 try {
 709                         $backend->save();
 710                         $this->fail( 'Expected exception not thrown' );
 711                 } catch ( \UnexpectedValueException $ex ) {
 712                         $this->assertSame(
 713                                 'SessionMetadata hook changed metadata key "userId"',
 714                                 $ex->getMessage()
 715                         );
 716                 }
 717
 718                 // SessionManager::preventSessionsForUser
 719                 \TestingAccessWrapper::newFromObject( $this->manager )->preventUsers = [
 720                         $user->getName() => true,
 721                 ];
 722                 $this->provider = $neverProvider;
 723                 $this->mergeMwGlobalArrayValue( 'wgHooks', [ 'SessionMetadata' => [ $neverHook ] ] );
 724                 $this->store->setSessionData( self::SESSIONID, $testData );
 725                 $backend = $this->getBackend( $user );
 726                 $this->store->deleteSession( self::SESSIONID );
 727                 \TestingAccessWrapper::newFromObject( $backend )->persist = true;
 728                 $this->assertTrue( $backend->isPersistent(), 'sanity check' );
 729                 \TestingAccessWrapper::newFromObject( $backend )->metaDirty = true;
 730                 \TestingAccessWrapper::newFromObject( $backend )->dataDirty = true;
 731                 $backend->save();
 732                 $this->assertFalse( $this->store->getSession( self::SESSIONID ), 'making sure it didn\'t save' );
 733         }
 734
 735         public function testRenew() {
 736                 $user = static::getTestSysop()->getUser();
 737                 $this->store = new TestBagOStuff();
 738                 $testData = [ 'foo' => 'foo!', 'bar', [ 'baz', null ] ];
 739
 740                 // Not persistent
 741                 $this->provider = $this->getMock( 'DummySessionProvider', [ 'persistSession' ] );
 742                 $this->provider->expects( $this->never() )->method( 'persistSession' );
 743                 $this->onSessionMetadataCalled = false;
 744                 $this->mergeMwGlobalArrayValue( 'wgHooks', [ 'SessionMetadata' => [ $this ] ] );
 745                 $this->store->setSessionData( self::SESSIONID, $testData );
 746                 $backend = $this->getBackend( $user );
 747                 $this->store->deleteSession( self::SESSIONID );
 748                 $wrap = \TestingAccessWrapper::newFromObject( $backend );
 749                 $this->assertFalse( $backend->isPersistent(), 'sanity check' );
 750                 $wrap->metaDirty = false;
 751                 $wrap->dataDirty = false;
 752                 $wrap->forcePersist = false;
 753                 $wrap->expires = 0;
 754                 $backend->renew();
 755                 $this->assertTrue( $this->onSessionMetadataCalled );
 756                 $blob = $this->store->getSession( self::SESSIONID );
 757                 $this->assertInternalType( 'array', $blob );
 758                 $this->assertArrayHasKey( 'metadata', $blob );
 759                 $metadata = $blob['metadata'];
 760                 $this->assertInternalType( 'array', $metadata );
 761                 $this->assertArrayHasKey( '???', $metadata );
 762                 $this->assertSame( '!!!', $metadata['???'] );
 763                 $this->assertNotEquals( 0, $wrap->expires );
 764
 765                 // Persistent
 766                 $this->provider = $this->getMock( 'DummySessionProvider', [ 'persistSession' ] );
 767                 $this->provider->expects( $this->atLeastOnce() )->method( 'persistSession' );
 768                 $this->onSessionMetadataCalled = false;
 769                 $this->mergeMwGlobalArrayValue( 'wgHooks', [ 'SessionMetadata' => [ $this ] ] );
 770                 $this->store->setSessionData( self::SESSIONID, $testData );
 771                 $backend = $this->getBackend( $user );
 772                 $this->store->deleteSession( self::SESSIONID );
 773                 $wrap = \TestingAccessWrapper::newFromObject( $backend );
 774                 $wrap->persist = true;
 775                 $this->assertTrue( $backend->isPersistent(), 'sanity check' );
 776                 $wrap->metaDirty = false;
 777                 $wrap->dataDirty = false;
 778                 $wrap->forcePersist = false;
 779                 $wrap->expires = 0;
 780                 $backend->renew();
 781                 $this->assertTrue( $this->onSessionMetadataCalled );
 782                 $blob = $this->store->getSession( self::SESSIONID );
 783                 $this->assertInternalType( 'array', $blob );
 784                 $this->assertArrayHasKey( 'metadata', $blob );
 785                 $metadata = $blob['metadata'];
 786                 $this->assertInternalType( 'array', $metadata );
 787                 $this->assertArrayHasKey( '???', $metadata );
 788                 $this->assertSame( '!!!', $metadata['???'] );
 789                 $this->assertNotEquals( 0, $wrap->expires );
 790
 791                 // Not persistent, not expiring
 792                 $this->provider = $this->getMock( 'DummySessionProvider', [ 'persistSession' ] );
 793                 $this->provider->expects( $this->never() )->method( 'persistSession' );
 794                 $this->onSessionMetadataCalled = false;
 795                 $this->mergeMwGlobalArrayValue( 'wgHooks', [ 'SessionMetadata' => [ $this ] ] );
 796                 $this->store->setSessionData( self::SESSIONID, $testData );
 797                 $backend = $this->getBackend( $user );
 798                 $this->store->deleteSession( self::SESSIONID );
 799                 $wrap = \TestingAccessWrapper::newFromObject( $backend );
 800                 $this->assertFalse( $backend->isPersistent(), 'sanity check' );
 801                 $wrap->metaDirty = false;
 802                 $wrap->dataDirty = false;
 803                 $wrap->forcePersist = false;
 804                 $expires = time() + $wrap->lifetime + 100;
 805                 $wrap->expires = $expires;
 806                 $backend->renew();
 807                 $this->assertFalse( $this->onSessionMetadataCalled );
 808                 $this->assertFalse( $this->store->getSession( self::SESSIONID ), 'making sure it didn\'t save' );
 809                 $this->assertEquals( $expires, $wrap->expires );
 810         }
 811
 812         public function onSessionMetadata( SessionBackend $backend, array &$metadata, array $requests ) {
 813                 $this->onSessionMetadataCalled = true;
 814                 $metadata['???'] = '!!!';
 815         }
 816
 817         public function testTakeOverGlobalSession() {
 818                 if ( !PHPSessionHandler::isInstalled() ) {
 819                         PHPSessionHandler::install( SessionManager::singleton() );
 820                 }
 821                 if ( !PHPSessionHandler::isEnabled() ) {
 822                         $rProp = new \ReflectionProperty( PHPSessionHandler::class, 'instance' );
 823                         $rProp->setAccessible( true );
 824                         $handler = \TestingAccessWrapper::newFromObject( $rProp->getValue() );
 825                         $resetHandler = new \Wikimedia\ScopedCallback( function () use ( $handler ) {
 826                                 session_write_close();
 827                                 $handler->enable = false;
 828                         } );
 829                         $handler->enable = true;
 830                 }
 831
 832                 $backend = $this->getBackend( static::getTestSysop()->getUser() );
 833                 \TestingAccessWrapper::newFromObject( $backend )->usePhpSessionHandling = true;
 834
 835                 $resetSingleton = TestUtils::setSessionManagerSingleton( $this->manager );
 836
 837                 $manager = \TestingAccessWrapper::newFromObject( $this->manager );
 838                 $request = \RequestContext::getMain()->getRequest();
 839                 $manager->globalSession = $backend->getSession( $request );
 840                 $manager->globalSessionRequest = $request;
 841
 842                 session_id( '' );
 843                 \TestingAccessWrapper::newFromObject( $backend )->checkPHPSession();
 844                 $this->assertSame( $backend->getId(), session_id() );
 845                 session_write_close();
 846
 847                 $backend2 = $this->getBackend(
 848                         User::newFromName( 'UTSysop' ), 'bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb'
 849                 );
 850                 \TestingAccessWrapper::newFromObject( $backend2 )->usePhpSessionHandling = true;
 851
 852                 session_id( '' );
 853                 \TestingAccessWrapper::newFromObject( $backend2 )->checkPHPSession();
 854                 $this->assertSame( '', session_id() );
 855         }
 856
 857         public function testResetIdOfGlobalSession() {
 858                 if ( !PHPSessionHandler::isInstalled() ) {
 859                         PHPSessionHandler::install( SessionManager::singleton() );
 860                 }
 861                 if ( !PHPSessionHandler::isEnabled() ) {
 862                         $rProp = new \ReflectionProperty( PHPSessionHandler::class, 'instance' );
 863                         $rProp->setAccessible( true );
 864                         $handler = \TestingAccessWrapper::newFromObject( $rProp->getValue() );
 865                         $resetHandler = new \Wikimedia\ScopedCallback( function () use ( $handler ) {
 866                                 session_write_close();
 867                                 $handler->enable = false;
 868                         } );
 869                         $handler->enable = true;
 870                 }
 871
 872                 $backend = $this->getBackend( User::newFromName( 'UTSysop' ) );
 873                 \TestingAccessWrapper::newFromObject( $backend )->usePhpSessionHandling = true;
 874
 875                 $resetSingleton = TestUtils::setSessionManagerSingleton( $this->manager );
 876
 877                 $manager = \TestingAccessWrapper::newFromObject( $this->manager );
 878                 $request = \RequestContext::getMain()->getRequest();
 879                 $manager->globalSession = $backend->getSession( $request );
 880                 $manager->globalSessionRequest = $request;
 881
 882                 session_id( self::SESSIONID );
 883                 \MediaWiki\quietCall( 'session_start' );
 884                 $_SESSION['foo'] = __METHOD__;
 885                 $backend->resetId();
 886                 $this->assertNotEquals( self::SESSIONID, $backend->getId() );
 887                 $this->assertSame( $backend->getId(), session_id() );
 888                 $this->assertArrayHasKey( 'foo', $_SESSION );
 889                 $this->assertSame( __METHOD__, $_SESSION['foo'] );
 890                 session_write_close();
 891         }
 892
 893         public function testUnpersistOfGlobalSession() {
 894                 if ( !PHPSessionHandler::isInstalled() ) {
 895                         PHPSessionHandler::install( SessionManager::singleton() );
 896                 }
 897                 if ( !PHPSessionHandler::isEnabled() ) {
 898                         $rProp = new \ReflectionProperty( PHPSessionHandler::class, 'instance' );
 899                         $rProp->setAccessible( true );
 900                         $handler = \TestingAccessWrapper::newFromObject( $rProp->getValue() );
 901                         $resetHandler = new \Wikimedia\ScopedCallback( function () use ( $handler ) {
 902                                 session_write_close();
 903                                 $handler->enable = false;
 904                         } );
 905                         $handler->enable = true;
 906                 }
 907
 908                 $backend = $this->getBackend( User::newFromName( 'UTSysop' ) );
 909                 $wrap = \TestingAccessWrapper::newFromObject( $backend );
 910                 $wrap->usePhpSessionHandling = true;
 911                 $wrap->persist = true;
 912
 913                 $resetSingleton = TestUtils::setSessionManagerSingleton( $this->manager );
 914
 915                 $manager = \TestingAccessWrapper::newFromObject( $this->manager );
 916                 $request = \RequestContext::getMain()->getRequest();
 917                 $manager->globalSession = $backend->getSession( $request );
 918                 $manager->globalSessionRequest = $request;
 919
 920                 session_id( self::SESSIONID . 'x' );
 921                 \MediaWiki\quietCall( 'session_start' );
 922                 $backend->unpersist();
 923                 $this->assertSame( self::SESSIONID . 'x', session_id() );
 924
 925                 session_id( self::SESSIONID );
 926                 $wrap->persist = true;
 927                 $backend->unpersist();
 928                 $this->assertSame( '', session_id() );
 929         }
 930
 931         public function testGetAllowedUserRights() {
 932                 $this->provider = $this->getMockBuilder( 'DummySessionProvider' )
 933                         ->setMethods( [ 'getAllowedUserRights' ] )
 934                         ->getMock();
 935                 $this->provider->expects( $this->any() )->method( 'getAllowedUserRights' )
 936                         ->will( $this->returnValue( [ 'foo', 'bar' ] ) );
 937
 938                 $backend = $this->getBackend();
 939                 $this->assertSame( [ 'foo', 'bar' ], $backend->getAllowedUserRights() );
 940         }
 941
 942 }