tests/phpunit/includes/RevisionDbTestBase.php

   1 <?php
   2 use MediaWiki\MediaWikiServices;
   3 use MediaWiki\Storage\RevisionStore;
   4 use MediaWiki\Storage\IncompleteRevisionException;
   5 use MediaWiki\Storage\RevisionRecord;
   6
   7 /**
   8  * RevisionDbTestBase contains test cases for the Revision class that have Database interactions.
   9  *
  10  * @group Database
  11  * @group medium
  12  */
  13 abstract class RevisionDbTestBase extends MediaWikiTestCase {
  14
  15         /**
  16          * @var WikiPage $testPage
  17          */
  18         private $testPage;
  19
  20         public function __construct( $name = null, array $data = [], $dataName = '' ) {
  21                 parent::__construct( $name, $data, $dataName );
  22
  23                 $this->tablesUsed = array_merge( $this->tablesUsed,
  24                         [
  25                                 'page',
  26                                 'revision',
  27                                 'ip_changes',
  28                                 'text',
  29                                 'archive',
  30
  31                                 'recentchanges',
  32                                 'logging',
  33
  34                                 'page_props',
  35                                 'pagelinks',
  36                                 'categorylinks',
  37                                 'langlinks',
  38                                 'externallinks',
  39                                 'imagelinks',
  40                                 'templatelinks',
  41                                 'iwlinks'
  42                         ]
  43                 );
  44         }
  45
  46         protected function setUp() {
  47                 global $wgContLang;
  48
  49                 parent::setUp();
  50
  51                 $this->mergeMwGlobalArrayValue(
  52                         'wgExtraNamespaces',
  53                         [
  54                                 12312 => 'Dummy',
  55                                 12313 => 'Dummy_talk',
  56                         ]
  57                 );
  58
  59                 $this->mergeMwGlobalArrayValue(
  60                         'wgNamespaceContentModels',
  61                         [
  62                                 12312 => DummyContentForTesting::MODEL_ID,
  63                         ]
  64                 );
  65
  66                 $this->mergeMwGlobalArrayValue(
  67                         'wgContentHandlers',
  68                         [
  69                                 DummyContentForTesting::MODEL_ID => 'DummyContentHandlerForTesting',
  70                                 RevisionTestModifyableContent::MODEL_ID => 'RevisionTestModifyableContentHandler',
  71                         ]
  72                 );
  73
  74                 $this->setMwGlobals( 'wgContentHandlerUseDB', $this->getContentHandlerUseDB() );
  75
  76                 MWNamespace::clearCaches();
  77                 // Reset namespace cache
  78                 $wgContLang->resetNamespaces();
  79
  80                 if ( !$this->testPage ) {
  81                         /**
  82                          * We have to create a new page for each subclass as the page creation may result
  83                          * in different DB fields being filled based on configuration.
  84                          */
  85                         $this->testPage = $this->createPage( __CLASS__, __CLASS__ );
  86                 }
  87         }
  88
  89         protected function tearDown() {
  90                 global $wgContLang;
  91
  92                 parent::tearDown();
  93
  94                 MWNamespace::clearCaches();
  95                 // Reset namespace cache
  96                 $wgContLang->resetNamespaces();
  97         }
  98
  99         abstract protected function getContentHandlerUseDB();
 100
 101         private function makeRevisionWithProps( $props = null ) {
 102                 if ( $props === null ) {
 103                         $props = [];
 104                 }
 105
 106                 if ( !isset( $props['content'] ) && !isset( $props['text'] ) ) {
 107                         $props['text'] = 'Lorem Ipsum';
 108                 }
 109
 110                 if ( !isset( $props['user_text'] ) ) {
 111                         $props['user_text'] = 'Tester';
 112                 }
 113
 114                 if ( !isset( $props['user'] ) ) {
 115                         $props['user'] = 0;
 116                 }
 117
 118                 if ( !isset( $props['comment'] ) ) {
 119                         $props['comment'] = 'just a test';
 120                 }
 121
 122                 if ( !isset( $props['page'] ) ) {
 123                         $props['page'] = $this->testPage->getId();
 124                 }
 125
 126                 if ( !isset( $props['content_model'] ) ) {
 127                         $props['content_model'] = CONTENT_MODEL_WIKITEXT;
 128                 }
 129
 130                 $rev = new Revision( $props );
 131
 132                 $dbw = wfGetDB( DB_MASTER );
 133                 $rev->insertOn( $dbw );
 134
 135                 return $rev;
 136         }
 137
 138         /**
 139          * @param string $titleString
 140          * @param string $text
 141          * @param string|null $model
 142          *
 143          * @return WikiPage
 144          */
 145         private function createPage( $titleString, $text, $model = null ) {
 146                 if ( !preg_match( '/:/', $titleString ) &&
 147                         ( $model === null || $model === CONTENT_MODEL_WIKITEXT )
 148                 ) {
 149                         $ns = $this->getDefaultWikitextNS();
 150                         $titleString = MWNamespace::getCanonicalName( $ns ) . ':' . $titleString;
 151                 }
 152
 153                 $title = Title::newFromText( $titleString );
 154                 $wikipage = new WikiPage( $title );
 155
 156                 // Delete the article if it already exists
 157                 if ( $wikipage->exists() ) {
 158                         $wikipage->doDeleteArticle( "done" );
 159                 }
 160
 161                 $content = ContentHandler::makeContent( $text, $title, $model );
 162                 $wikipage->doEditContent( $content, __METHOD__, EDIT_NEW );
 163
 164                 return $wikipage;
 165         }
 166
 167         private function assertRevEquals( Revision $orig, Revision $rev = null ) {
 168                 $this->assertNotNull( $rev, 'missing revision' );
 169
 170                 $this->assertEquals( $orig->getId(), $rev->getId() );
 171                 $this->assertEquals( $orig->getPage(), $rev->getPage() );
 172                 $this->assertEquals( $orig->getTimestamp(), $rev->getTimestamp() );
 173                 $this->assertEquals( $orig->getUser(), $rev->getUser() );
 174                 $this->assertEquals( $orig->getContentModel(), $rev->getContentModel() );
 175                 $this->assertEquals( $orig->getContentFormat(), $rev->getContentFormat() );
 176                 $this->assertEquals( $orig->getSha1(), $rev->getSha1() );
 177         }
 178
 179         /**
 180          * @covers Revision::getRecentChange
 181          */
 182         public function testGetRecentChange() {
 183                 $rev = $this->testPage->getRevision();
 184                 $recentChange = $rev->getRecentChange();
 185
 186                 // Make sure various attributes look right / the correct entry has been retrieved.
 187                 $this->assertEquals( $rev->getTimestamp(), $recentChange->getAttribute( 'rc_timestamp' ) );
 188                 $this->assertEquals(
 189                         $rev->getTitle()->getNamespace(),
 190                         $recentChange->getAttribute( 'rc_namespace' )
 191                 );
 192                 $this->assertEquals(
 193                         $rev->getTitle()->getDBkey(),
 194                         $recentChange->getAttribute( 'rc_title' )
 195                 );
 196                 $this->assertEquals( $rev->getUser(), $recentChange->getAttribute( 'rc_user' ) );
 197                 $this->assertEquals( $rev->getUserText(), $recentChange->getAttribute( 'rc_user_text' ) );
 198                 $this->assertEquals( $rev->getComment(), $recentChange->getAttribute( 'rc_comment' ) );
 199                 $this->assertEquals( $rev->getPage(), $recentChange->getAttribute( 'rc_cur_id' ) );
 200                 $this->assertEquals( $rev->getId(), $recentChange->getAttribute( 'rc_this_oldid' ) );
 201         }
 202
 203         /**
 204          * @covers Revision::insertOn
 205          */
 206         public function testInsertOn_success() {
 207                 $parentId = $this->testPage->getLatest();
 208
 209                 // If an ExternalStore is set don't use it.
 210                 $this->setMwGlobals( 'wgDefaultExternalStore', false );
 211
 212                 $rev = new Revision( [
 213                         'page' => $this->testPage->getId(),
 214                         'title' => $this->testPage->getTitle(),
 215                         'text' => 'Revision Text',
 216                         'comment' => 'Revision comment',
 217                 ] );
 218
 219                 $revId = $rev->insertOn( wfGetDB( DB_MASTER ) );
 220
 221                 $this->assertInternalType( 'integer', $revId );
 222                 $this->assertSame( $revId, $rev->getId() );
 223
 224                 // getTextId() must be an int!
 225                 $this->assertInternalType( 'integer', $rev->getTextId() );
 226
 227                 $mainSlot = $rev->getRevisionRecord()->getSlot( 'main', RevisionRecord::RAW );
 228
 229                 // we currently only support storage in the text table
 230                 $textId = MediaWikiServices::getInstance()
 231                         ->getBlobStore()
 232                         ->getTextIdFromAddress( $mainSlot->getAddress() );
 233
 234                 $this->assertSelect(
 235                         'text',
 236                         [ 'old_id', 'old_text' ],
 237                         "old_id = $textId",
 238                         [ [ strval( $textId ), 'Revision Text' ] ]
 239                 );
 240                 $this->assertSelect(
 241                         'revision',
 242                         [
 243                                 'rev_id',
 244                                 'rev_page',
 245                                 'rev_text_id',
 246                                 'rev_user',
 247                                 'rev_minor_edit',
 248                                 'rev_deleted',
 249                                 'rev_len',
 250                                 'rev_parent_id',
 251                                 'rev_sha1',
 252                         ],
 253                         "rev_id = {$rev->getId()}",
 254                         [ [
 255                                 strval( $rev->getId() ),
 256                                 strval( $this->testPage->getId() ),
 257                                 strval( $textId ),
 258                                 '0',
 259                                 '0',
 260                                 '0',
 261                                 '13',
 262                                 strval( $parentId ),
 263                                 's0ngbdoxagreuf2vjtuxzwdz64n29xm',
 264                         ] ]
 265                 );
 266         }
 267
 268         /**
 269          * @covers Revision::insertOn
 270          */
 271         public function testInsertOn_exceptionOnNoPage() {
 272                 // If an ExternalStore is set don't use it.
 273                 $this->setMwGlobals( 'wgDefaultExternalStore', false );
 274                 $this->setExpectedException(
 275                         IncompleteRevisionException::class,
 276                         "rev_page field must not be 0!"
 277                 );
 278
 279                 $title = Title::newFromText( 'Nonexistant-' . __METHOD__ );
 280                 $rev = new Revision( [], 0, $title );
 281
 282                 $rev->insertOn( wfGetDB( DB_MASTER ) );
 283         }
 284
 285         /**
 286          * @covers Revision::newFromTitle
 287          */
 288         public function testNewFromTitle_withoutId() {
 289                 $latestRevId = $this->testPage->getLatest();
 290
 291                 $rev = Revision::newFromTitle( $this->testPage->getTitle() );
 292
 293                 $this->assertTrue( $this->testPage->getTitle()->equals( $rev->getTitle() ) );
 294                 $this->assertEquals( $latestRevId, $rev->getId() );
 295         }
 296
 297         /**
 298          * @covers Revision::newFromTitle
 299          */
 300         public function testNewFromTitle_withId() {
 301                 $latestRevId = $this->testPage->getLatest();
 302
 303                 $rev = Revision::newFromTitle( $this->testPage->getTitle(), $latestRevId );
 304
 305                 $this->assertTrue( $this->testPage->getTitle()->equals( $rev->getTitle() ) );
 306                 $this->assertEquals( $latestRevId, $rev->getId() );
 307         }
 308
 309         /**
 310          * @covers Revision::newFromTitle
 311          */
 312         public function testNewFromTitle_withBadId() {
 313                 $latestRevId = $this->testPage->getLatest();
 314
 315                 $rev = Revision::newFromTitle( $this->testPage->getTitle(), $latestRevId + 1 );
 316
 317                 $this->assertNull( $rev );
 318         }
 319
 320         /**
 321          * @covers Revision::newFromRow
 322          */
 323         public function testNewFromRow() {
 324                 $orig = $this->makeRevisionWithProps();
 325
 326                 $dbr = wfGetDB( DB_REPLICA );
 327                 $revQuery = Revision::getQueryInfo();
 328                 $res = $dbr->select( $revQuery['tables'], $revQuery['fields'], [ 'rev_id' => $orig->getId() ],
 329                    __METHOD__, [], $revQuery['joins'] );
 330                 $this->assertTrue( is_object( $res ), 'query failed' );
 331
 332                 $row = $res->fetchObject();
 333                 $res->free();
 334
 335                 $rev = Revision::newFromRow( $row );
 336
 337                 $this->assertRevEquals( $orig, $rev );
 338         }
 339
 340         public function provideNewFromArchiveRow() {
 341                 yield [
 342                         function ( $f ) {
 343                                 return $f;
 344                         },
 345                 ];
 346                 yield [
 347                         function ( $f ) {
 348                                 return $f + [ 'ar_namespace', 'ar_title' ];
 349                         },
 350                 ];
 351                 yield [
 352                         function ( $f ) {
 353                                 unset( $f['ar_text'] );
 354                                 return $f;
 355                         },
 356                 ];
 357                 yield [
 358                         function ( $f ) {
 359                                 unset( $f['ar_text_id'] );
 360                                 return $f;
 361                         },
 362                 ];
 363                 yield [
 364                         function ( $f ) {
 365                                 unset( $f['ar_page_id'] );
 366                                 return $f;
 367                         },
 368                 ];
 369                 yield [
 370                         function ( $f ) {
 371                                 unset( $f['ar_parent_id'] );
 372                                 return $f;
 373                         },
 374                 ];
 375                 yield [
 376                         function ( $f ) {
 377                                 unset( $f['ar_rev_id'] );
 378                                 return $f;
 379                         },
 380                 ];
 381                 yield [
 382                         function ( $f ) {
 383                                 unset( $f['ar_sha1'] );
 384                                 return $f;
 385                         },
 386                 ];
 387         }
 388
 389         /**
 390          * @dataProvider provideNewFromArchiveRow
 391          * @covers Revision::newFromArchiveRow
 392          */
 393         public function testNewFromArchiveRow( $selectModifier ) {
 394                 $services = MediaWikiServices::getInstance();
 395
 396                 $store = new RevisionStore(
 397                         $services->getDBLoadBalancer(),
 398                         $services->getService( '_SqlBlobStore' ),
 399                         $services->getMainWANObjectCache()
 400                 );
 401
 402                 $store->setContentHandlerUseDB( $this->getContentHandlerUseDB() );
 403                 $this->setService( 'RevisionStore', $store );
 404
 405                 $page = $this->createPage(
 406                         'RevisionStorageTest_testNewFromArchiveRow',
 407                         'Lorem Ipsum',
 408                         CONTENT_MODEL_WIKITEXT
 409                 );
 410                 $orig = $page->getRevision();
 411                 $page->doDeleteArticle( 'test Revision::newFromArchiveRow' );
 412
 413                 $dbr = wfGetDB( DB_REPLICA );
 414                 $arQuery = Revision::getArchiveQueryInfo();
 415                 $arQuery['fields'] = $selectModifier( $arQuery['fields'] );
 416                 $res = $dbr->select(
 417                         $arQuery['tables'], $arQuery['fields'], [ 'ar_rev_id' => $orig->getId() ],
 418                         __METHOD__, [], $arQuery['joins']
 419                 );
 420                 $this->assertTrue( is_object( $res ), 'query failed' );
 421
 422                 $row = $res->fetchObject();
 423                 $res->free();
 424
 425                 // MCR migration note: $row is now required to contain ar_title and ar_namespace.
 426                 // Alternatively, a Title object can be passed to RevisionStore::newRevisionFromArchiveRow
 427                 $rev = Revision::newFromArchiveRow( $row );
 428
 429                 $this->assertRevEquals( $orig, $rev );
 430         }
 431
 432         /**
 433          * @covers Revision::newFromArchiveRow
 434          */
 435         public function testNewFromArchiveRowOverrides() {
 436                 $page = $this->createPage(
 437                         'RevisionStorageTest_testNewFromArchiveRow',
 438                         'Lorem Ipsum',
 439                         CONTENT_MODEL_WIKITEXT
 440                 );
 441                 $orig = $page->getRevision();
 442                 $page->doDeleteArticle( 'test Revision::newFromArchiveRow' );
 443
 444                 $dbr = wfGetDB( DB_REPLICA );
 445                 $arQuery = Revision::getArchiveQueryInfo();
 446                 $res = $dbr->select(
 447                         $arQuery['tables'], $arQuery['fields'], [ 'ar_rev_id' => $orig->getId() ],
 448                         __METHOD__, [], $arQuery['joins']
 449                 );
 450                 $this->assertTrue( is_object( $res ), 'query failed' );
 451
 452                 $row = $res->fetchObject();
 453                 $res->free();
 454
 455                 $rev = Revision::newFromArchiveRow( $row, [ 'comment_text' => 'SOMEOVERRIDE' ] );
 456
 457                 $this->assertNotEquals( $orig->getComment(), $rev->getComment() );
 458                 $this->assertEquals( 'SOMEOVERRIDE', $rev->getComment() );
 459         }
 460
 461         /**
 462          * @covers Revision::newFromId
 463          */
 464         public function testNewFromId() {
 465                 $orig = $this->testPage->getRevision();
 466                 $rev = Revision::newFromId( $orig->getId() );
 467                 $this->assertRevEquals( $orig, $rev );
 468         }
 469
 470         /**
 471          * @covers Revision::newFromPageId
 472          */
 473         public function testNewFromPageId() {
 474                 $rev = Revision::newFromPageId( $this->testPage->getId() );
 475                 $this->assertRevEquals(
 476                         $this->testPage->getRevision(),
 477                         $rev
 478                 );
 479         }
 480
 481         /**
 482          * @covers Revision::newFromPageId
 483          */
 484         public function testNewFromPageIdWithLatestId() {
 485                 $rev = Revision::newFromPageId(
 486                         $this->testPage->getId(),
 487                         $this->testPage->getLatest()
 488                 );
 489                 $this->assertRevEquals(
 490                         $this->testPage->getRevision(),
 491                         $rev
 492                 );
 493         }
 494
 495         /**
 496          * @covers Revision::newFromPageId
 497          */
 498         public function testNewFromPageIdWithNotLatestId() {
 499                 $content = new WikitextContent( __METHOD__ );
 500                 $this->testPage->doEditContent( $content, __METHOD__ );
 501                 $rev = Revision::newFromPageId(
 502                         $this->testPage->getId(),
 503                         $this->testPage->getRevision()->getPrevious()->getId()
 504                 );
 505                 $this->assertRevEquals(
 506                         $this->testPage->getRevision()->getPrevious(),
 507                         $rev
 508                 );
 509         }
 510
 511         /**
 512          * @covers Revision::fetchRevision
 513          */
 514         public function testFetchRevision() {
 515                 // Hidden process cache assertion below
 516                 $this->testPage->getRevision()->getId();
 517
 518                 $this->testPage->doEditContent( new WikitextContent( __METHOD__ ), __METHOD__ );
 519                 $id = $this->testPage->getRevision()->getId();
 520
 521                 $this->hideDeprecated( 'Revision::fetchRevision' );
 522                 $res = Revision::fetchRevision( $this->testPage->getTitle() );
 523
 524                 # note: order is unspecified
 525                 $rows = [];
 526                 while ( ( $row = $res->fetchObject() ) ) {
 527                         $rows[$row->rev_id] = $row;
 528                 }
 529
 530                 $this->assertEmpty( $rows, 'expected empty set' );
 531         }
 532
 533         /**
 534          * @covers Revision::getPage
 535          */
 536         public function testGetPage() {
 537                 $page = $this->testPage;
 538
 539                 $orig = $this->makeRevisionWithProps( [ 'page' => $page->getId() ] );
 540                 $rev = Revision::newFromId( $orig->getId() );
 541
 542                 $this->assertEquals( $page->getId(), $rev->getPage() );
 543         }
 544
 545         /**
 546          * @covers Revision::isCurrent
 547          */
 548         public function testIsCurrent() {
 549                 $rev1 = $this->testPage->getRevision();
 550
 551                 # @todo find out if this should be true
 552                 # $this->assertTrue( $rev1->isCurrent() );
 553
 554                 $rev1x = Revision::newFromId( $rev1->getId() );
 555                 $this->assertTrue( $rev1x->isCurrent() );
 556
 557                 $this->testPage->doEditContent( new WikitextContent( __METHOD__ ), __METHOD__ );
 558                 $rev2 = $this->testPage->getRevision();
 559
 560                 # @todo find out if this should be true
 561                 # $this->assertTrue( $rev2->isCurrent() );
 562
 563                 $rev1x = Revision::newFromId( $rev1->getId() );
 564                 $this->assertFalse( $rev1x->isCurrent() );
 565
 566                 $rev2x = Revision::newFromId( $rev2->getId() );
 567                 $this->assertTrue( $rev2x->isCurrent() );
 568         }
 569
 570         /**
 571          * @covers Revision::getPrevious
 572          */
 573         public function testGetPrevious() {
 574                 $oldestRevision = $this->testPage->getOldestRevision();
 575                 $latestRevision = $this->testPage->getLatest();
 576
 577                 $this->assertNull( $oldestRevision->getPrevious() );
 578
 579                 $this->testPage->doEditContent( new WikitextContent( __METHOD__ ), __METHOD__ );
 580                 $newRevision = $this->testPage->getRevision();
 581
 582                 $this->assertNotNull( $newRevision->getPrevious() );
 583                 $this->assertEquals( $latestRevision, $newRevision->getPrevious()->getId() );
 584         }
 585
 586         /**
 587          * @covers Revision::getNext
 588          */
 589         public function testGetNext() {
 590                 $rev1 = $this->testPage->getRevision();
 591
 592                 $this->assertNull( $rev1->getNext() );
 593
 594                 $this->testPage->doEditContent( new WikitextContent( __METHOD__ ), __METHOD__ );
 595                 $rev2 = $this->testPage->getRevision();
 596
 597                 $this->assertNotNull( $rev1->getNext() );
 598                 $this->assertEquals( $rev2->getId(), $rev1->getNext()->getId() );
 599         }
 600
 601         /**
 602          * @covers Revision::newNullRevision
 603          */
 604         public function testNewNullRevision() {
 605                 $this->testPage->doEditContent( new WikitextContent( __METHOD__ ), __METHOD__ );
 606                 $orig = $this->testPage->getRevision();
 607
 608                 $dbw = wfGetDB( DB_MASTER );
 609                 $rev = Revision::newNullRevision( $dbw, $this->testPage->getId(), 'a null revision', false );
 610
 611                 $this->assertNotEquals( $orig->getId(), $rev->getId(),
 612                         'new null revision should have a different id from the original revision' );
 613                 $this->assertEquals( $orig->getTextId(), $rev->getTextId(),
 614                         'new null revision should have the same text id as the original revision' );
 615                 $this->assertEquals( $orig->getSha1(), $rev->getSha1(),
 616                         'new null revision should have the same SHA1 as the original revision' );
 617                 $this->assertTrue( $orig->getRevisionRecord()->hasSameContent( $rev->getRevisionRecord() ),
 618                         'new null revision should have the same content as the original revision' );
 619                 $this->assertEquals( __METHOD__, $rev->getContent()->getNativeData() );
 620         }
 621
 622         /**
 623          * @covers Revision::insertOn
 624          */
 625         public function testInsertOn() {
 626                 $ip = '2600:387:ed7:947e:8c16:a1ad:dd34:1dd7';
 627
 628                 $orig = $this->makeRevisionWithProps( [
 629                         'user_text' => $ip
 630                 ] );
 631
 632                 // Make sure the revision was copied to ip_changes
 633                 $dbr = wfGetDB( DB_REPLICA );
 634                 $res = $dbr->select( 'ip_changes', '*', [ 'ipc_rev_id' => $orig->getId() ] );
 635                 $row = $res->fetchObject();
 636
 637                 $this->assertEquals( IP::toHex( $ip ), $row->ipc_hex );
 638                 $this->assertEquals(
 639                         $orig->getTimestamp(),
 640                         wfTimestamp( TS_MW, $row->ipc_rev_timestamp )
 641                 );
 642         }
 643
 644         public static function provideUserWasLastToEdit() {
 645                 yield 'actually the last edit' => [ 3, true ];
 646                 yield 'not the current edit, but still by this user' => [ 2, true ];
 647                 yield 'edit by another user' => [ 1, false ];
 648                 yield 'first edit, by this user, but another user edited in the mean time' => [ 0, false ];
 649         }
 650
 651         /**
 652          * @dataProvider provideUserWasLastToEdit
 653          */
 654         public function testUserWasLastToEdit( $sinceIdx, $expectedLast ) {
 655                 $userA = User::newFromName( "RevisionStorageTest_userA" );
 656                 $userB = User::newFromName( "RevisionStorageTest_userB" );
 657
 658                 if ( $userA->getId() === 0 ) {
 659                         $userA = User::createNew( $userA->getName() );
 660                 }
 661
 662                 if ( $userB->getId() === 0 ) {
 663                         $userB = User::createNew( $userB->getName() );
 664                 }
 665
 666                 $ns = $this->getDefaultWikitextNS();
 667
 668                 $dbw = wfGetDB( DB_MASTER );
 669                 $revisions = [];
 670
 671                 // create revisions -----------------------------
 672                 $page = WikiPage::factory( Title::newFromText(
 673                         'RevisionStorageTest_testUserWasLastToEdit', $ns ) );
 674                 $page->insertOn( $dbw );
 675
 676                 $revisions[0] = new Revision( [
 677                         'page' => $page->getId(),
 678                         // we need the title to determine the page's default content model
 679                         'title' => $page->getTitle(),
 680                         'timestamp' => '20120101000000',
 681                         'user' => $userA->getId(),
 682                         'text' => 'zero',
 683                         'content_model' => CONTENT_MODEL_WIKITEXT,
 684                         'comment' => 'edit zero'
 685                 ] );
 686                 $revisions[0]->insertOn( $dbw );
 687
 688                 $revisions[1] = new Revision( [
 689                         'page' => $page->getId(),
 690                         // still need the title, because $page->getId() is 0 (there's no entry in the page table)
 691                         'title' => $page->getTitle(),
 692                         'timestamp' => '20120101000100',
 693                         'user' => $userA->getId(),
 694                         'text' => 'one',
 695                         'content_model' => CONTENT_MODEL_WIKITEXT,
 696                         'comment' => 'edit one'
 697                 ] );
 698                 $revisions[1]->insertOn( $dbw );
 699
 700                 $revisions[2] = new Revision( [
 701                         'page' => $page->getId(),
 702                         'title' => $page->getTitle(),
 703                         'timestamp' => '20120101000200',
 704                         'user' => $userB->getId(),
 705                         'text' => 'two',
 706                         'content_model' => CONTENT_MODEL_WIKITEXT,
 707                         'comment' => 'edit two'
 708                 ] );
 709                 $revisions[2]->insertOn( $dbw );
 710
 711                 $revisions[3] = new Revision( [
 712                         'page' => $page->getId(),
 713                         'title' => $page->getTitle(),
 714                         'timestamp' => '20120101000300',
 715                         'user' => $userA->getId(),
 716                         'text' => 'three',
 717                         'content_model' => CONTENT_MODEL_WIKITEXT,
 718                         'comment' => 'edit three'
 719                 ] );
 720                 $revisions[3]->insertOn( $dbw );
 721
 722                 $revisions[4] = new Revision( [
 723                         'page' => $page->getId(),
 724                         'title' => $page->getTitle(),
 725                         'timestamp' => '20120101000200',
 726                         'user' => $userA->getId(),
 727                         'text' => 'zero',
 728                         'content_model' => CONTENT_MODEL_WIKITEXT,
 729                         'comment' => 'edit four'
 730                 ] );
 731                 $revisions[4]->insertOn( $dbw );
 732
 733                 // test it ---------------------------------
 734                 $since = $revisions[$sinceIdx]->getTimestamp();
 735
 736                 $allRows = iterator_to_array( $dbw->select(
 737                         'revision',
 738                         [ 'rev_id', 'rev_timestamp', 'rev_user' ],
 739                         [
 740                                 'rev_page' => $page->getId(),
 741                                 //'rev_timestamp > ' . $dbw->addQuotes( $dbw->timestamp( $since ) )
 742                         ],
 743                         __METHOD__,
 744                         [ 'ORDER BY' => 'rev_timestamp ASC', 'LIMIT' => 50 ]
 745                 ) );
 746
 747                 $wasLast = Revision::userWasLastToEdit( $dbw, $page->getId(), $userA->getId(), $since );
 748
 749                 $this->assertEquals( $expectedLast, $wasLast );
 750         }
 751
 752         /**
 753          * @param string $text
 754          * @param string $title
 755          * @param string $model
 756          * @param string $format
 757          *
 758          * @return Revision
 759          */
 760         private function newTestRevision( $text, $title = "Test",
 761                 $model = CONTENT_MODEL_WIKITEXT, $format = null
 762         ) {
 763                 if ( is_string( $title ) ) {
 764                         $title = Title::newFromText( $title );
 765                 }
 766
 767                 $content = ContentHandler::makeContent( $text, $title, $model, $format );
 768
 769                 $rev = new Revision(
 770                         [
 771                                 'id' => 42,
 772                                 'page' => 23,
 773                                 'title' => $title,
 774
 775                                 'content' => $content,
 776                                 'length' => $content->getSize(),
 777                                 'comment' => "testing",
 778                                 'minor_edit' => false,
 779
 780                                 'content_format' => $format,
 781                         ]
 782                 );
 783
 784                 return $rev;
 785         }
 786
 787         public function provideGetContentModel() {
 788                 // NOTE: we expect the help namespace to always contain wikitext
 789                 return [
 790                         [ 'hello world', 'Help:Hello', null, null, CONTENT_MODEL_WIKITEXT ],
 791                         [ 'hello world', 'User:hello/there.css', null, null, CONTENT_MODEL_CSS ],
 792                         [ serialize( 'hello world' ), 'Dummy:Hello', null, null, DummyContentForTesting::MODEL_ID ],
 793                 ];
 794         }
 795
 796         /**
 797          * @dataProvider provideGetContentModel
 798          * @covers Revision::getContentModel
 799          */
 800         public function testGetContentModel( $text, $title, $model, $format, $expectedModel ) {
 801                 $rev = $this->newTestRevision( $text, $title, $model, $format );
 802
 803                 $this->assertEquals( $expectedModel, $rev->getContentModel() );
 804         }
 805
 806         public function provideGetContentFormat() {
 807                 // NOTE: we expect the help namespace to always contain wikitext
 808                 return [
 809                         [ 'hello world', 'Help:Hello', null, null, CONTENT_FORMAT_WIKITEXT ],
 810                         [ 'hello world', 'Help:Hello', CONTENT_MODEL_CSS, null, CONTENT_FORMAT_CSS ],
 811                         [ 'hello world', 'User:hello/there.css', null, null, CONTENT_FORMAT_CSS ],
 812                         [ serialize( 'hello world' ), 'Dummy:Hello', null, null, DummyContentForTesting::MODEL_ID ],
 813                 ];
 814         }
 815
 816         /**
 817          * @dataProvider provideGetContentFormat
 818          * @covers Revision::getContentFormat
 819          */
 820         public function testGetContentFormat( $text, $title, $model, $format, $expectedFormat ) {
 821                 $rev = $this->newTestRevision( $text, $title, $model, $format );
 822
 823                 $this->assertEquals( $expectedFormat, $rev->getContentFormat() );
 824         }
 825
 826         public function provideGetContentHandler() {
 827                 // NOTE: we expect the help namespace to always contain wikitext
 828                 return [
 829                         [ 'hello world', 'Help:Hello', null, null, 'WikitextContentHandler' ],
 830                         [ 'hello world', 'User:hello/there.css', null, null, 'CssContentHandler' ],
 831                         [ serialize( 'hello world' ), 'Dummy:Hello', null, null, 'DummyContentHandlerForTesting' ],
 832                 ];
 833         }
 834
 835         /**
 836          * @dataProvider provideGetContentHandler
 837          * @covers Revision::getContentHandler
 838          */
 839         public function testGetContentHandler( $text, $title, $model, $format, $expectedClass ) {
 840                 $rev = $this->newTestRevision( $text, $title, $model, $format );
 841
 842                 $this->assertEquals( $expectedClass, get_class( $rev->getContentHandler() ) );
 843         }
 844
 845         public function provideGetContent() {
 846                 // NOTE: we expect the help namespace to always contain wikitext
 847                 return [
 848                         [ 'hello world', 'Help:Hello', null, null, Revision::FOR_PUBLIC, 'hello world' ],
 849                         [
 850                                 serialize( 'hello world' ),
 851                                 'Hello',
 852                                 DummyContentForTesting::MODEL_ID,
 853                                 null,
 854                                 Revision::FOR_PUBLIC,
 855                                 serialize( 'hello world' )
 856                         ],
 857                         [
 858                                 serialize( 'hello world' ),
 859                                 'Dummy:Hello',
 860                                 null,
 861                                 null,
 862                                 Revision::FOR_PUBLIC,
 863                                 serialize( 'hello world' )
 864                         ],
 865                 ];
 866         }
 867
 868         /**
 869          * @dataProvider provideGetContent
 870          * @covers Revision::getContent
 871          */
 872         public function testGetContent( $text, $title, $model, $format,
 873                 $audience, $expectedSerialization
 874         ) {
 875                 $rev = $this->newTestRevision( $text, $title, $model, $format );
 876                 $content = $rev->getContent( $audience );
 877
 878                 $this->assertEquals(
 879                         $expectedSerialization,
 880                         is_null( $content ) ? null : $content->serialize( $format )
 881                 );
 882         }
 883
 884         /**
 885          * @covers Revision::getContent
 886          */
 887         public function testGetContent_failure() {
 888                 $rev = new Revision( [
 889                         'page' => $this->testPage->getId(),
 890                         'content_model' => $this->testPage->getContentModel(),
 891                         'text_id' => 123456789, // not in the test DB
 892                 ] );
 893
 894                 MediaWiki\suppressWarnings(); // bad text_id will trigger a warning.
 895
 896                 $this->assertNull( $rev->getContent(),
 897                         "getContent() should return null if the revision's text blob could not be loaded." );
 898
 899                 // NOTE: check this twice, once for lazy initialization, and once with the cached value.
 900                 $this->assertNull( $rev->getContent(),
 901                         "getContent() should return null if the revision's text blob could not be loaded." );
 902
 903                 MediaWiki\suppressWarnings( 'end' );
 904         }
 905
 906         public function provideGetSize() {
 907                 return [
 908                         [ "hello world.", CONTENT_MODEL_WIKITEXT, 12 ],
 909                         [ serialize( "hello world." ), DummyContentForTesting::MODEL_ID, 12 ],
 910                 ];
 911         }
 912
 913         /**
 914          * @covers Revision::getSize
 915          * @dataProvider provideGetSize
 916          */
 917         public function testGetSize( $text, $model, $expected_size ) {
 918                 $rev = $this->newTestRevision( $text, 'RevisionTest_testGetSize', $model );
 919                 $this->assertEquals( $expected_size, $rev->getSize() );
 920         }
 921
 922         public function provideGetSha1() {
 923                 return [
 924                         [ "hello world.", CONTENT_MODEL_WIKITEXT, Revision::base36Sha1( "hello world." ) ],
 925                         [
 926                                 serialize( "hello world." ),
 927                                 DummyContentForTesting::MODEL_ID,
 928                                 Revision::base36Sha1( serialize( "hello world." ) )
 929                         ],
 930                 ];
 931         }
 932
 933         /**
 934          * @covers Revision::getSha1
 935          * @dataProvider provideGetSha1
 936          */
 937         public function testGetSha1( $text, $model, $expected_hash ) {
 938                 $rev = $this->newTestRevision( $text, 'RevisionTest_testGetSha1', $model );
 939                 $this->assertEquals( $expected_hash, $rev->getSha1() );
 940         }
 941
 942         /**
 943          * Tests whether $rev->getContent() returns a clone when needed.
 944          *
 945          * @covers Revision::getContent
 946          */
 947         public function testGetContentClone() {
 948                 $content = new RevisionTestModifyableContent( "foo" );
 949
 950                 $rev = new Revision(
 951                         [
 952                                 'id' => 42,
 953                                 'page' => 23,
 954                                 'title' => Title::newFromText( "testGetContentClone_dummy" ),
 955
 956                                 'content' => $content,
 957                                 'length' => $content->getSize(),
 958                                 'comment' => "testing",
 959                                 'minor_edit' => false,
 960                         ]
 961                 );
 962
 963                 /** @var RevisionTestModifyableContent $content */
 964                 $content = $rev->getContent( Revision::RAW );
 965                 $content->setText( "bar" );
 966
 967                 /** @var RevisionTestModifyableContent $content2 */
 968                 $content2 = $rev->getContent( Revision::RAW );
 969                 // content is mutable, expect clone
 970                 $this->assertNotSame( $content, $content2, "expected a clone" );
 971                 // clone should contain the original text
 972                 $this->assertEquals( "foo", $content2->getText() );
 973
 974                 $content2->setText( "bla bla" );
 975                 // clones should be independent
 976                 $this->assertEquals( "bar", $content->getText() );
 977         }
 978
 979         /**
 980          * Tests whether $rev->getContent() returns the same object repeatedly if appropriate.
 981          * @covers Revision::getContent
 982          */
 983         public function testGetContentUncloned() {
 984                 $rev = $this->newTestRevision( "hello", "testGetContentUncloned_dummy", CONTENT_MODEL_WIKITEXT );
 985                 $content = $rev->getContent( Revision::RAW );
 986                 $content2 = $rev->getContent( Revision::RAW );
 987
 988                 // for immutable content like wikitext, this should be the same object
 989                 $this->assertSame( $content, $content2 );
 990         }
 991
 992         /**
 993          * @covers Revision::loadFromId
 994          */
 995         public function testLoadFromId() {
 996                 $rev = $this->testPage->getRevision();
 997                 $this->hideDeprecated( 'Revision::loadFromId' );
 998                 $this->assertRevEquals(
 999                         $rev,
1000                         Revision::loadFromId( wfGetDB( DB_MASTER ), $rev->getId() )
1001                 );
1002         }
1003
1004         /**
1005          * @covers Revision::loadFromPageId
1006          */
1007         public function testLoadFromPageId() {
1008                 $this->assertRevEquals(
1009                         $this->testPage->getRevision(),
1010                         Revision::loadFromPageId( wfGetDB( DB_MASTER ), $this->testPage->getId() )
1011                 );
1012         }
1013
1014         /**
1015          * @covers Revision::loadFromPageId
1016          */
1017         public function testLoadFromPageIdWithLatestRevId() {
1018                 $this->assertRevEquals(
1019                         $this->testPage->getRevision(),
1020                         Revision::loadFromPageId(
1021                                 wfGetDB( DB_MASTER ),
1022                                 $this->testPage->getId(),
1023                                 $this->testPage->getLatest()
1024                         )
1025                 );
1026         }
1027
1028         /**
1029          * @covers Revision::loadFromPageId
1030          */
1031         public function testLoadFromPageIdWithNotLatestRevId() {
1032                 $this->testPage->doEditContent( new WikitextContent( __METHOD__ ), __METHOD__ );
1033                 $this->assertRevEquals(
1034                         $this->testPage->getRevision()->getPrevious(),
1035                         Revision::loadFromPageId(
1036                                 wfGetDB( DB_MASTER ),
1037                                 $this->testPage->getId(),
1038                                 $this->testPage->getRevision()->getPrevious()->getId()
1039                         )
1040                 );
1041         }
1042
1043         /**
1044          * @covers Revision::loadFromTitle
1045          */
1046         public function testLoadFromTitle() {
1047                 $this->assertRevEquals(
1048                         $this->testPage->getRevision(),
1049                         Revision::loadFromTitle( wfGetDB( DB_MASTER ), $this->testPage->getTitle() )
1050                 );
1051         }
1052
1053         /**
1054          * @covers Revision::loadFromTitle
1055          */
1056         public function testLoadFromTitleWithLatestRevId() {
1057                 $this->assertRevEquals(
1058                         $this->testPage->getRevision(),
1059                         Revision::loadFromTitle(
1060                                 wfGetDB( DB_MASTER ),
1061                                 $this->testPage->getTitle(),
1062                                 $this->testPage->getLatest()
1063                         )
1064                 );
1065         }
1066
1067         /**
1068          * @covers Revision::loadFromTitle
1069          */
1070         public function testLoadFromTitleWithNotLatestRevId() {
1071                 $this->testPage->doEditContent( new WikitextContent( __METHOD__ ), __METHOD__ );
1072                 $this->assertRevEquals(
1073                         $this->testPage->getRevision()->getPrevious(),
1074                         Revision::loadFromTitle(
1075                                 wfGetDB( DB_MASTER ),
1076                                 $this->testPage->getTitle(),
1077                                 $this->testPage->getRevision()->getPrevious()->getId()
1078                         )
1079                 );
1080         }
1081
1082         /**
1083          * @covers Revision::loadFromTimestamp()
1084          */
1085         public function testLoadFromTimestamp() {
1086                 $this->assertRevEquals(
1087                         $this->testPage->getRevision(),
1088                         Revision::loadFromTimestamp(
1089                                 wfGetDB( DB_MASTER ),
1090                                 $this->testPage->getTitle(),
1091                                 $this->testPage->getRevision()->getTimestamp()
1092                         )
1093                 );
1094         }
1095
1096         /**
1097          * @covers Revision::getParentLengths
1098          */
1099         public function testGetParentLengths_noRevIds() {
1100                 $this->assertSame(
1101                         [],
1102                         Revision::getParentLengths(
1103                                 wfGetDB( DB_MASTER ),
1104                                 []
1105                         )
1106                 );
1107         }
1108
1109         /**
1110          * @covers Revision::getParentLengths
1111          */
1112         public function testGetParentLengths_oneRevId() {
1113                 $text = '831jr091jr0921kr21kr0921kjr0921j09rj1';
1114                 $textLength = strlen( $text );
1115
1116                 $this->testPage->doEditContent( new WikitextContent( $text ), __METHOD__ );
1117                 $rev[1] = $this->testPage->getLatest();
1118
1119                 $this->assertSame(
1120                         [ $rev[1] => $textLength ],
1121                         Revision::getParentLengths(
1122                                 wfGetDB( DB_MASTER ),
1123                                 [ $rev[1] ]
1124                         )
1125                 );
1126         }
1127
1128         /**
1129          * @covers Revision::getParentLengths
1130          */
1131         public function testGetParentLengths_multipleRevIds() {
1132                 $textOne = '831jr091jr0921kr21kr0921kjr0921j09rj1';
1133                 $textOneLength = strlen( $textOne );
1134                 $textTwo = '831jr091jr092121j09rj1';
1135                 $textTwoLength = strlen( $textTwo );
1136
1137                 $this->testPage->doEditContent( new WikitextContent( $textOne ), __METHOD__ );
1138                 $rev[1] = $this->testPage->getLatest();
1139                 $this->testPage->doEditContent( new WikitextContent( $textTwo ), __METHOD__ );
1140                 $rev[2] = $this->testPage->getLatest();
1141
1142                 $this->assertSame(
1143                         [ $rev[1] => $textOneLength, $rev[2] => $textTwoLength ],
1144                         Revision::getParentLengths(
1145                                 wfGetDB( DB_MASTER ),
1146                                 [ $rev[1], $rev[2] ]
1147                         )
1148                 );
1149         }
1150
1151         /**
1152          * @covers Revision::getTitle
1153          */
1154         public function testGetTitle_fromExistingRevision() {
1155                 $this->assertTrue(
1156                         $this->testPage->getTitle()->equals(
1157                                 $this->testPage->getRevision()->getTitle()
1158                         )
1159                 );
1160         }
1161
1162         /**
1163          * @covers Revision::getTitle
1164          */
1165         public function testGetTitle_fromRevisionWhichWillLoadTheTitle() {
1166                 $rev = new Revision( [ 'id' => $this->testPage->getLatest() ] );
1167                 $this->assertTrue(
1168                         $this->testPage->getTitle()->equals(
1169                                 $rev->getTitle()
1170                         )
1171                 );
1172         }
1173
1174         /**
1175          * @covers Revision::isMinor
1176          */
1177         public function testIsMinor_true() {
1178                 // Use a sysop to ensure we can mark edits as minor
1179                 $sysop = $this->getTestSysop()->getUser();
1180
1181                 $this->testPage->doEditContent(
1182                         new WikitextContent( __METHOD__ ),
1183                         __METHOD__,
1184                         EDIT_MINOR,
1185                         false,
1186                         $sysop
1187                 );
1188                 $rev = $this->testPage->getRevision();
1189
1190                 $this->assertSame( true, $rev->isMinor() );
1191         }
1192
1193         /**
1194          * @covers Revision::isMinor
1195          */
1196         public function testIsMinor_false() {
1197                 $this->testPage->doEditContent(
1198                         new WikitextContent( __METHOD__ ),
1199                         __METHOD__,
1200                         0
1201                 );
1202                 $rev = $this->testPage->getRevision();
1203
1204                 $this->assertSame( false, $rev->isMinor() );
1205         }
1206
1207         /**
1208          * @covers Revision::getTimestamp
1209          */
1210         public function testGetTimestamp() {
1211                 $testTimestamp = wfTimestampNow();
1212
1213                 $this->testPage->doEditContent(
1214                         new WikitextContent( __METHOD__ ),
1215                         __METHOD__
1216                 );
1217                 $rev = $this->testPage->getRevision();
1218
1219                 $this->assertInternalType( 'string', $rev->getTimestamp() );
1220                 $this->assertTrue( strlen( $rev->getTimestamp() ) == strlen( 'YYYYMMDDHHMMSS' ) );
1221                 $this->assertContains( substr( $testTimestamp, 0, 10 ), $rev->getTimestamp() );
1222         }
1223
1224         /**
1225          * @covers Revision::getUser
1226          * @covers Revision::getUserText
1227          */
1228         public function testGetUserAndText() {
1229                 $sysop = $this->getTestSysop()->getUser();
1230
1231                 $this->testPage->doEditContent(
1232                         new WikitextContent( __METHOD__ ),
1233                         __METHOD__,
1234                         0,
1235                         false,
1236                         $sysop
1237                 );
1238                 $rev = $this->testPage->getRevision();
1239
1240                 $this->assertSame( $sysop->getId(), $rev->getUser() );
1241                 $this->assertSame( $sysop->getName(), $rev->getUserText() );
1242         }
1243
1244         /**
1245          * @covers Revision::isDeleted
1246          */
1247         public function testIsDeleted_nothingDeleted() {
1248                 $rev = $this->testPage->getRevision();
1249
1250                 $this->assertSame( false, $rev->isDeleted( Revision::DELETED_TEXT ) );
1251                 $this->assertSame( false, $rev->isDeleted( Revision::DELETED_COMMENT ) );
1252                 $this->assertSame( false, $rev->isDeleted( Revision::DELETED_RESTRICTED ) );
1253                 $this->assertSame( false, $rev->isDeleted( Revision::DELETED_USER ) );
1254         }
1255
1256         /**
1257          * @covers Revision::getVisibility
1258          */
1259         public function testGetVisibility_nothingDeleted() {
1260                 $rev = $this->testPage->getRevision();
1261
1262                 $this->assertSame( 0, $rev->getVisibility() );
1263         }
1264
1265         /**
1266          * @covers Revision::getComment
1267          */
1268         public function testGetComment_notDeleted() {
1269                 $expectedSummary = 'goatlicious summary';
1270
1271                 $this->testPage->doEditContent(
1272                         new WikitextContent( __METHOD__ ),
1273                         $expectedSummary
1274                 );
1275                 $rev = $this->testPage->getRevision();
1276
1277                 $this->assertSame( $expectedSummary, $rev->getComment() );
1278         }
1279
1280         /**
1281          * @covers Revision::isUnpatrolled
1282          */
1283         public function testIsUnpatrolled_returnsRecentChangesId() {
1284                 $this->testPage->doEditContent( new WikitextContent( __METHOD__ ), __METHOD__ );
1285                 $rev = $this->testPage->getRevision();
1286
1287                 $this->assertGreaterThan( 0, $rev->isUnpatrolled() );
1288                 $this->assertSame( $rev->getRecentChange()->getAttribute( 'rc_id' ), $rev->isUnpatrolled() );
1289         }
1290
1291         /**
1292          * @covers Revision::isUnpatrolled
1293          */
1294         public function testIsUnpatrolled_returnsZeroIfPatrolled() {
1295                 // This assumes that sysops are auto patrolled
1296                 $sysop = $this->getTestSysop()->getUser();
1297                 $this->testPage->doEditContent(
1298                         new WikitextContent( __METHOD__ ),
1299                         __METHOD__,
1300                         0,
1301                         false,
1302                         $sysop
1303                 );
1304                 $rev = $this->testPage->getRevision();
1305
1306                 $this->assertSame( 0, $rev->isUnpatrolled() );
1307         }
1308
1309         /**
1310          * This is a simple blanket test for all simple content getters and is methods to provide some
1311          * coverage before the split of Revision into multiple classes for MCR work.
1312          * @covers Revision::getContent
1313          * @covers Revision::getSerializedData
1314          * @covers Revision::getContentModel
1315          * @covers Revision::getContentFormat
1316          * @covers Revision::getContentHandler
1317          */
1318         public function testSimpleContentGetters() {
1319                 $expectedText = 'testSimpleContentGetters in Revision. Goats love MCR...';
1320                 $expectedSummary = 'goatlicious testSimpleContentGetters summary';
1321
1322                 $this->testPage->doEditContent(
1323                         new WikitextContent( $expectedText ),
1324                         $expectedSummary
1325                 );
1326                 $rev = $this->testPage->getRevision();
1327
1328                 $this->assertSame( $expectedText, $rev->getContent()->getNativeData() );
1329                 $this->assertSame( $expectedText, $rev->getSerializedData() );
1330                 $this->assertSame( $this->testPage->getContentModel(), $rev->getContentModel() );
1331                 $this->assertSame( $this->testPage->getContent()->getDefaultFormat(), $rev->getContentFormat() );
1332                 $this->assertSame( $this->testPage->getContentHandler(), $rev->getContentHandler() );
1333         }
1334
1335         /**
1336          * @covers Revision::newKnownCurrent
1337          */
1338         public function testNewKnownCurrent() {
1339                 // Setup the services
1340                 $cache = new WANObjectCache( [ 'cache' => new HashBagOStuff() ] );
1341                 $this->setService( 'MainWANObjectCache', $cache );
1342                 $db = wfGetDB( DB_MASTER );
1343
1344                 // Get a fresh revision to use during testing
1345                 $this->testPage->doEditContent( new WikitextContent( __METHOD__ ), __METHOD__ );
1346                 $rev = $this->testPage->getRevision();
1347
1348                 // Clear any previous cache for the revision during creation
1349                 $key = $cache->makeGlobalKey( 'revision-row-1.29',
1350                         $db->getDomainID(),
1351                         $rev->getPage(),
1352                         $rev->getId()
1353                 );
1354                 $cache->delete( $key, WANObjectCache::HOLDOFF_NONE );
1355                 $this->assertFalse( $cache->get( $key ) );
1356
1357                 // Get the new revision and make sure it is in the cache and correct
1358                 $newRev = Revision::newKnownCurrent( $db, $rev->getPage(), $rev->getId() );
1359                 $this->assertRevEquals( $rev, $newRev );
1360
1361                 $cachedRow = $cache->get( $key );
1362                 $this->assertNotFalse( $cachedRow );
1363                 $this->assertEquals( $rev->getId(), $cachedRow->rev_id );
1364         }
1365
1366         public function provideUserCanBitfield() {
1367                 yield [ 0, 0, [], null, true ];
1368                 // Bitfields match, user has no permissions
1369                 yield [ Revision::DELETED_TEXT, Revision::DELETED_TEXT, [], null, false ];
1370                 yield [ Revision::DELETED_COMMENT, Revision::DELETED_COMMENT, [], null, false ];
1371                 yield [ Revision::DELETED_USER, Revision::DELETED_USER, [], null, false ];
1372                 yield [ Revision::DELETED_RESTRICTED, Revision::DELETED_RESTRICTED, [], null, false ];
1373                 // Bitfields match, user (admin) does have permissions
1374                 yield [ Revision::DELETED_TEXT, Revision::DELETED_TEXT, [ 'sysop' ], null, true ];
1375                 yield [ Revision::DELETED_COMMENT, Revision::DELETED_COMMENT, [ 'sysop' ], null, true ];
1376                 yield [ Revision::DELETED_USER, Revision::DELETED_USER, [ 'sysop' ], null, true ];
1377                 // Bitfields match, user (admin) does not have permissions
1378                 yield [ Revision::DELETED_RESTRICTED, Revision::DELETED_RESTRICTED, [ 'sysop' ], null, false ];
1379                 // Bitfields match, user (oversight) does have permissions
1380                 yield [ Revision::DELETED_RESTRICTED, Revision::DELETED_RESTRICTED, [ 'oversight' ], null, true ];
1381                 // Check permissions using the title
1382                 yield [
1383                         Revision::DELETED_TEXT,
1384                         Revision::DELETED_TEXT,
1385                         [ 'sysop' ],
1386                         Title::newFromText( __METHOD__ ),
1387                         true,
1388                 ];
1389                 yield [
1390                         Revision::DELETED_TEXT,
1391                         Revision::DELETED_TEXT,
1392                         [],
1393                         Title::newFromText( __METHOD__ ),
1394                         false,
1395                 ];
1396         }
1397
1398         /**
1399          * @dataProvider provideUserCanBitfield
1400          * @covers Revision::userCanBitfield
1401          */
1402         public function testUserCanBitfield( $bitField, $field, $userGroups, $title, $expected ) {
1403                 $this->setMwGlobals(
1404                         'wgGroupPermissions',
1405                         [
1406                                 'sysop' => [
1407                                         'deletedtext' => true,
1408                                         'deletedhistory' => true,
1409                                 ],
1410                                 'oversight' => [
1411                                         'viewsuppressed' => true,
1412                                         'suppressrevision' => true,
1413                                 ],
1414                         ]
1415                 );
1416                 $user = $this->getTestUser( $userGroups )->getUser();
1417
1418                 $this->assertSame(
1419                         $expected,
1420                         Revision::userCanBitfield( $bitField, $field, $user, $title )
1421                 );
1422
1423                 // Fallback to $wgUser
1424                 $this->setMwGlobals(
1425                         'wgUser',
1426                         $user
1427                 );
1428                 $this->assertSame(
1429                         $expected,
1430                         Revision::userCanBitfield( $bitField, $field, null, $title )
1431                 );
1432         }
1433
1434         public function provideUserCan() {
1435                 yield [ 0, 0, [], true ];
1436                 // Bitfields match, user has no permissions
1437                 yield [ Revision::DELETED_TEXT, Revision::DELETED_TEXT, [], false ];
1438                 yield [ Revision::DELETED_COMMENT, Revision::DELETED_COMMENT, [], false ];
1439                 yield [ Revision::DELETED_USER, Revision::DELETED_USER, [], false ];
1440                 yield [ Revision::DELETED_RESTRICTED, Revision::DELETED_RESTRICTED, [], false ];
1441                 // Bitfields match, user (admin) does have permissions
1442                 yield [ Revision::DELETED_TEXT, Revision::DELETED_TEXT, [ 'sysop' ], true ];
1443                 yield [ Revision::DELETED_COMMENT, Revision::DELETED_COMMENT, [ 'sysop' ], true ];
1444                 yield [ Revision::DELETED_USER, Revision::DELETED_USER, [ 'sysop' ], true ];
1445                 // Bitfields match, user (admin) does not have permissions
1446                 yield [ Revision::DELETED_RESTRICTED, Revision::DELETED_RESTRICTED, [ 'sysop' ], false ];
1447                 // Bitfields match, user (oversight) does have permissions
1448                 yield [ Revision::DELETED_RESTRICTED, Revision::DELETED_RESTRICTED, [ 'oversight' ], true ];
1449         }
1450
1451         /**
1452          * @dataProvider provideUserCan
1453          * @covers Revision::userCan
1454          */
1455         public function testUserCan( $bitField, $field, $userGroups, $expected ) {
1456                 $this->setMwGlobals(
1457                         'wgGroupPermissions',
1458                         [
1459                                 'sysop' => [
1460                                         'deletedtext' => true,
1461                                         'deletedhistory' => true,
1462                                 ],
1463                                 'oversight' => [
1464                                         'viewsuppressed' => true,
1465                                         'suppressrevision' => true,
1466                                 ],
1467                         ]
1468                 );
1469                 $user = $this->getTestUser( $userGroups )->getUser();
1470                 $revision = new Revision( [ 'deleted' => $bitField ], 0, $this->testPage->getTitle() );
1471
1472                 $this->assertSame(
1473                         $expected,
1474                         $revision->userCan( $field, $user )
1475                 );
1476         }
1477
1478 }