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::newNullRevision
 624          */
 625         public function testNewNullRevision_badPage() {
 626                 $dbw = wfGetDB( DB_MASTER );
 627                 $rev = Revision::newNullRevision( $dbw, -1, 'a null revision', false );
 628
 629                 $this->assertNull( $rev );
 630         }
 631
 632         /**
 633          * @covers Revision::insertOn
 634          */
 635         public function testInsertOn() {
 636                 $ip = '2600:387:ed7:947e:8c16:a1ad:dd34:1dd7';
 637
 638                 $orig = $this->makeRevisionWithProps( [
 639                         'user_text' => $ip
 640                 ] );
 641
 642                 // Make sure the revision was copied to ip_changes
 643                 $dbr = wfGetDB( DB_REPLICA );
 644                 $res = $dbr->select( 'ip_changes', '*', [ 'ipc_rev_id' => $orig->getId() ] );
 645                 $row = $res->fetchObject();
 646
 647                 $this->assertEquals( IP::toHex( $ip ), $row->ipc_hex );
 648                 $this->assertEquals(
 649                         $orig->getTimestamp(),
 650                         wfTimestamp( TS_MW, $row->ipc_rev_timestamp )
 651                 );
 652         }
 653
 654         public static function provideUserWasLastToEdit() {
 655                 yield 'actually the last edit' => [ 3, true ];
 656                 yield 'not the current edit, but still by this user' => [ 2, true ];
 657                 yield 'edit by another user' => [ 1, false ];
 658                 yield 'first edit, by this user, but another user edited in the mean time' => [ 0, false ];
 659         }
 660
 661         /**
 662          * @covers Revision::userWasLastToEdit
 663          * @dataProvider provideUserWasLastToEdit
 664          */
 665         public function testUserWasLastToEdit( $sinceIdx, $expectedLast ) {
 666                 $userA = User::newFromName( "RevisionStorageTest_userA" );
 667                 $userB = User::newFromName( "RevisionStorageTest_userB" );
 668
 669                 if ( $userA->getId() === 0 ) {
 670                         $userA = User::createNew( $userA->getName() );
 671                 }
 672
 673                 if ( $userB->getId() === 0 ) {
 674                         $userB = User::createNew( $userB->getName() );
 675                 }
 676
 677                 $ns = $this->getDefaultWikitextNS();
 678
 679                 $dbw = wfGetDB( DB_MASTER );
 680                 $revisions = [];
 681
 682                 // create revisions -----------------------------
 683                 $page = WikiPage::factory( Title::newFromText(
 684                         'RevisionStorageTest_testUserWasLastToEdit', $ns ) );
 685                 $page->insertOn( $dbw );
 686
 687                 $revisions[0] = new Revision( [
 688                         'page' => $page->getId(),
 689                         // we need the title to determine the page's default content model
 690                         'title' => $page->getTitle(),
 691                         'timestamp' => '20120101000000',
 692                         'user' => $userA->getId(),
 693                         'text' => 'zero',
 694                         'content_model' => CONTENT_MODEL_WIKITEXT,
 695                         'comment' => 'edit zero'
 696                 ] );
 697                 $revisions[0]->insertOn( $dbw );
 698
 699                 $revisions[1] = new Revision( [
 700                         'page' => $page->getId(),
 701                         // still need the title, because $page->getId() is 0 (there's no entry in the page table)
 702                         'title' => $page->getTitle(),
 703                         'timestamp' => '20120101000100',
 704                         'user' => $userA->getId(),
 705                         'text' => 'one',
 706                         'content_model' => CONTENT_MODEL_WIKITEXT,
 707                         'comment' => 'edit one'
 708                 ] );
 709                 $revisions[1]->insertOn( $dbw );
 710
 711                 $revisions[2] = new Revision( [
 712                         'page' => $page->getId(),
 713                         'title' => $page->getTitle(),
 714                         'timestamp' => '20120101000200',
 715                         'user' => $userB->getId(),
 716                         'text' => 'two',
 717                         'content_model' => CONTENT_MODEL_WIKITEXT,
 718                         'comment' => 'edit two'
 719                 ] );
 720                 $revisions[2]->insertOn( $dbw );
 721
 722                 $revisions[3] = new Revision( [
 723                         'page' => $page->getId(),
 724                         'title' => $page->getTitle(),
 725                         'timestamp' => '20120101000300',
 726                         'user' => $userA->getId(),
 727                         'text' => 'three',
 728                         'content_model' => CONTENT_MODEL_WIKITEXT,
 729                         'comment' => 'edit three'
 730                 ] );
 731                 $revisions[3]->insertOn( $dbw );
 732
 733                 $revisions[4] = new Revision( [
 734                         'page' => $page->getId(),
 735                         'title' => $page->getTitle(),
 736                         'timestamp' => '20120101000200',
 737                         'user' => $userA->getId(),
 738                         'text' => 'zero',
 739                         'content_model' => CONTENT_MODEL_WIKITEXT,
 740                         'comment' => 'edit four'
 741                 ] );
 742                 $revisions[4]->insertOn( $dbw );
 743
 744                 // test it ---------------------------------
 745                 $since = $revisions[$sinceIdx]->getTimestamp();
 746
 747                 $allRows = iterator_to_array( $dbw->select(
 748                         'revision',
 749                         [ 'rev_id', 'rev_timestamp', 'rev_user' ],
 750                         [
 751                                 'rev_page' => $page->getId(),
 752                                 //'rev_timestamp > ' . $dbw->addQuotes( $dbw->timestamp( $since ) )
 753                         ],
 754                         __METHOD__,
 755                         [ 'ORDER BY' => 'rev_timestamp ASC', 'LIMIT' => 50 ]
 756                 ) );
 757
 758                 $wasLast = Revision::userWasLastToEdit( $dbw, $page->getId(), $userA->getId(), $since );
 759
 760                 $this->assertEquals( $expectedLast, $wasLast );
 761         }
 762
 763         /**
 764          * @param string $text
 765          * @param string $title
 766          * @param string $model
 767          * @param string $format
 768          *
 769          * @return Revision
 770          */
 771         private function newTestRevision( $text, $title = "Test",
 772                 $model = CONTENT_MODEL_WIKITEXT, $format = null
 773         ) {
 774                 if ( is_string( $title ) ) {
 775                         $title = Title::newFromText( $title );
 776                 }
 777
 778                 $content = ContentHandler::makeContent( $text, $title, $model, $format );
 779
 780                 $rev = new Revision(
 781                         [
 782                                 'id' => 42,
 783                                 'page' => 23,
 784                                 'title' => $title,
 785
 786                                 'content' => $content,
 787                                 'length' => $content->getSize(),
 788                                 'comment' => "testing",
 789                                 'minor_edit' => false,
 790
 791                                 'content_format' => $format,
 792                         ]
 793                 );
 794
 795                 return $rev;
 796         }
 797
 798         public function provideGetContentModel() {
 799                 // NOTE: we expect the help namespace to always contain wikitext
 800                 return [
 801                         [ 'hello world', 'Help:Hello', null, null, CONTENT_MODEL_WIKITEXT ],
 802                         [ 'hello world', 'User:hello/there.css', null, null, CONTENT_MODEL_CSS ],
 803                         [ serialize( 'hello world' ), 'Dummy:Hello', null, null, DummyContentForTesting::MODEL_ID ],
 804                 ];
 805         }
 806
 807         /**
 808          * @dataProvider provideGetContentModel
 809          * @covers Revision::getContentModel
 810          */
 811         public function testGetContentModel( $text, $title, $model, $format, $expectedModel ) {
 812                 $rev = $this->newTestRevision( $text, $title, $model, $format );
 813
 814                 $this->assertEquals( $expectedModel, $rev->getContentModel() );
 815         }
 816
 817         public function provideGetContentFormat() {
 818                 // NOTE: we expect the help namespace to always contain wikitext
 819                 return [
 820                         [ 'hello world', 'Help:Hello', null, null, CONTENT_FORMAT_WIKITEXT ],
 821                         [ 'hello world', 'Help:Hello', CONTENT_MODEL_CSS, null, CONTENT_FORMAT_CSS ],
 822                         [ 'hello world', 'User:hello/there.css', null, null, CONTENT_FORMAT_CSS ],
 823                         [ serialize( 'hello world' ), 'Dummy:Hello', null, null, DummyContentForTesting::MODEL_ID ],
 824                 ];
 825         }
 826
 827         /**
 828          * @dataProvider provideGetContentFormat
 829          * @covers Revision::getContentFormat
 830          */
 831         public function testGetContentFormat( $text, $title, $model, $format, $expectedFormat ) {
 832                 $rev = $this->newTestRevision( $text, $title, $model, $format );
 833
 834                 $this->assertEquals( $expectedFormat, $rev->getContentFormat() );
 835         }
 836
 837         public function provideGetContentHandler() {
 838                 // NOTE: we expect the help namespace to always contain wikitext
 839                 return [
 840                         [ 'hello world', 'Help:Hello', null, null, WikitextContentHandler::class ],
 841                         [ 'hello world', 'User:hello/there.css', null, null, CssContentHandler::class ],
 842                         [ serialize( 'hello world' ), 'Dummy:Hello', null, null, DummyContentHandlerForTesting::class ],
 843                 ];
 844         }
 845
 846         /**
 847          * @dataProvider provideGetContentHandler
 848          * @covers Revision::getContentHandler
 849          */
 850         public function testGetContentHandler( $text, $title, $model, $format, $expectedClass ) {
 851                 $rev = $this->newTestRevision( $text, $title, $model, $format );
 852
 853                 $this->assertEquals( $expectedClass, get_class( $rev->getContentHandler() ) );
 854         }
 855
 856         public function provideGetContent() {
 857                 // NOTE: we expect the help namespace to always contain wikitext
 858                 return [
 859                         [ 'hello world', 'Help:Hello', null, null, Revision::FOR_PUBLIC, 'hello world' ],
 860                         [
 861                                 serialize( 'hello world' ),
 862                                 'Hello',
 863                                 DummyContentForTesting::MODEL_ID,
 864                                 null,
 865                                 Revision::FOR_PUBLIC,
 866                                 serialize( 'hello world' )
 867                         ],
 868                         [
 869                                 serialize( 'hello world' ),
 870                                 'Dummy:Hello',
 871                                 null,
 872                                 null,
 873                                 Revision::FOR_PUBLIC,
 874                                 serialize( 'hello world' )
 875                         ],
 876                 ];
 877         }
 878
 879         /**
 880          * @dataProvider provideGetContent
 881          * @covers Revision::getContent
 882          */
 883         public function testGetContent( $text, $title, $model, $format,
 884                 $audience, $expectedSerialization
 885         ) {
 886                 $rev = $this->newTestRevision( $text, $title, $model, $format );
 887                 $content = $rev->getContent( $audience );
 888
 889                 $this->assertEquals(
 890                         $expectedSerialization,
 891                         is_null( $content ) ? null : $content->serialize( $format )
 892                 );
 893         }
 894
 895         /**
 896          * @covers Revision::getContent
 897          */
 898         public function testGetContent_failure() {
 899                 $rev = new Revision( [
 900                         'page' => $this->testPage->getId(),
 901                         'content_model' => $this->testPage->getContentModel(),
 902                         'text_id' => 123456789, // not in the test DB
 903                 ] );
 904
 905                 MediaWiki\suppressWarnings(); // bad text_id will trigger a warning.
 906
 907                 $this->assertNull( $rev->getContent(),
 908                         "getContent() should return null if the revision's text blob could not be loaded." );
 909
 910                 // NOTE: check this twice, once for lazy initialization, and once with the cached value.
 911                 $this->assertNull( $rev->getContent(),
 912                         "getContent() should return null if the revision's text blob could not be loaded." );
 913
 914                 MediaWiki\suppressWarnings( 'end' );
 915         }
 916
 917         public function provideGetSize() {
 918                 return [
 919                         [ "hello world.", CONTENT_MODEL_WIKITEXT, 12 ],
 920                         [ serialize( "hello world." ), DummyContentForTesting::MODEL_ID, 12 ],
 921                 ];
 922         }
 923
 924         /**
 925          * @covers Revision::getSize
 926          * @dataProvider provideGetSize
 927          */
 928         public function testGetSize( $text, $model, $expected_size ) {
 929                 $rev = $this->newTestRevision( $text, 'RevisionTest_testGetSize', $model );
 930                 $this->assertEquals( $expected_size, $rev->getSize() );
 931         }
 932
 933         public function provideGetSha1() {
 934                 return [
 935                         [ "hello world.", CONTENT_MODEL_WIKITEXT, Revision::base36Sha1( "hello world." ) ],
 936                         [
 937                                 serialize( "hello world." ),
 938                                 DummyContentForTesting::MODEL_ID,
 939                                 Revision::base36Sha1( serialize( "hello world." ) )
 940                         ],
 941                 ];
 942         }
 943
 944         /**
 945          * @covers Revision::getSha1
 946          * @dataProvider provideGetSha1
 947          */
 948         public function testGetSha1( $text, $model, $expected_hash ) {
 949                 $rev = $this->newTestRevision( $text, 'RevisionTest_testGetSha1', $model );
 950                 $this->assertEquals( $expected_hash, $rev->getSha1() );
 951         }
 952
 953         /**
 954          * Tests whether $rev->getContent() returns a clone when needed.
 955          *
 956          * @covers Revision::getContent
 957          */
 958         public function testGetContentClone() {
 959                 $content = new RevisionTestModifyableContent( "foo" );
 960
 961                 $rev = new Revision(
 962                         [
 963                                 'id' => 42,
 964                                 'page' => 23,
 965                                 'title' => Title::newFromText( "testGetContentClone_dummy" ),
 966
 967                                 'content' => $content,
 968                                 'length' => $content->getSize(),
 969                                 'comment' => "testing",
 970                                 'minor_edit' => false,
 971                         ]
 972                 );
 973
 974                 /** @var RevisionTestModifyableContent $content */
 975                 $content = $rev->getContent( Revision::RAW );
 976                 $content->setText( "bar" );
 977
 978                 /** @var RevisionTestModifyableContent $content2 */
 979                 $content2 = $rev->getContent( Revision::RAW );
 980                 // content is mutable, expect clone
 981                 $this->assertNotSame( $content, $content2, "expected a clone" );
 982                 // clone should contain the original text
 983                 $this->assertEquals( "foo", $content2->getText() );
 984
 985                 $content2->setText( "bla bla" );
 986                 // clones should be independent
 987                 $this->assertEquals( "bar", $content->getText() );
 988         }
 989
 990         /**
 991          * Tests whether $rev->getContent() returns the same object repeatedly if appropriate.
 992          * @covers Revision::getContent
 993          */
 994         public function testGetContentUncloned() {
 995                 $rev = $this->newTestRevision( "hello", "testGetContentUncloned_dummy", CONTENT_MODEL_WIKITEXT );
 996                 $content = $rev->getContent( Revision::RAW );
 997                 $content2 = $rev->getContent( Revision::RAW );
 998
 999                 // for immutable content like wikitext, this should be the same object
1000                 $this->assertSame( $content, $content2 );
1001         }
1002
1003         /**
1004          * @covers Revision::loadFromId
1005          */
1006         public function testLoadFromId() {
1007                 $rev = $this->testPage->getRevision();
1008                 $this->hideDeprecated( 'Revision::loadFromId' );
1009                 $this->assertRevEquals(
1010                         $rev,
1011                         Revision::loadFromId( wfGetDB( DB_MASTER ), $rev->getId() )
1012                 );
1013         }
1014
1015         /**
1016          * @covers Revision::loadFromPageId
1017          */
1018         public function testLoadFromPageId() {
1019                 $this->assertRevEquals(
1020                         $this->testPage->getRevision(),
1021                         Revision::loadFromPageId( wfGetDB( DB_MASTER ), $this->testPage->getId() )
1022                 );
1023         }
1024
1025         /**
1026          * @covers Revision::loadFromPageId
1027          */
1028         public function testLoadFromPageIdWithLatestRevId() {
1029                 $this->assertRevEquals(
1030                         $this->testPage->getRevision(),
1031                         Revision::loadFromPageId(
1032                                 wfGetDB( DB_MASTER ),
1033                                 $this->testPage->getId(),
1034                                 $this->testPage->getLatest()
1035                         )
1036                 );
1037         }
1038
1039         /**
1040          * @covers Revision::loadFromPageId
1041          */
1042         public function testLoadFromPageIdWithNotLatestRevId() {
1043                 $this->testPage->doEditContent( new WikitextContent( __METHOD__ ), __METHOD__ );
1044                 $this->assertRevEquals(
1045                         $this->testPage->getRevision()->getPrevious(),
1046                         Revision::loadFromPageId(
1047                                 wfGetDB( DB_MASTER ),
1048                                 $this->testPage->getId(),
1049                                 $this->testPage->getRevision()->getPrevious()->getId()
1050                         )
1051                 );
1052         }
1053
1054         /**
1055          * @covers Revision::loadFromTitle
1056          */
1057         public function testLoadFromTitle() {
1058                 $this->assertRevEquals(
1059                         $this->testPage->getRevision(),
1060                         Revision::loadFromTitle( wfGetDB( DB_MASTER ), $this->testPage->getTitle() )
1061                 );
1062         }
1063
1064         /**
1065          * @covers Revision::loadFromTitle
1066          */
1067         public function testLoadFromTitleWithLatestRevId() {
1068                 $this->assertRevEquals(
1069                         $this->testPage->getRevision(),
1070                         Revision::loadFromTitle(
1071                                 wfGetDB( DB_MASTER ),
1072                                 $this->testPage->getTitle(),
1073                                 $this->testPage->getLatest()
1074                         )
1075                 );
1076         }
1077
1078         /**
1079          * @covers Revision::loadFromTitle
1080          */
1081         public function testLoadFromTitleWithNotLatestRevId() {
1082                 $this->testPage->doEditContent( new WikitextContent( __METHOD__ ), __METHOD__ );
1083                 $this->assertRevEquals(
1084                         $this->testPage->getRevision()->getPrevious(),
1085                         Revision::loadFromTitle(
1086                                 wfGetDB( DB_MASTER ),
1087                                 $this->testPage->getTitle(),
1088                                 $this->testPage->getRevision()->getPrevious()->getId()
1089                         )
1090                 );
1091         }
1092
1093         /**
1094          * @covers Revision::loadFromTimestamp()
1095          */
1096         public function testLoadFromTimestamp() {
1097                 $this->assertRevEquals(
1098                         $this->testPage->getRevision(),
1099                         Revision::loadFromTimestamp(
1100                                 wfGetDB( DB_MASTER ),
1101                                 $this->testPage->getTitle(),
1102                                 $this->testPage->getRevision()->getTimestamp()
1103                         )
1104                 );
1105         }
1106
1107         /**
1108          * @covers Revision::getParentLengths
1109          */
1110         public function testGetParentLengths_noRevIds() {
1111                 $this->assertSame(
1112                         [],
1113                         Revision::getParentLengths(
1114                                 wfGetDB( DB_MASTER ),
1115                                 []
1116                         )
1117                 );
1118         }
1119
1120         /**
1121          * @covers Revision::getParentLengths
1122          */
1123         public function testGetParentLengths_oneRevId() {
1124                 $text = '831jr091jr0921kr21kr0921kjr0921j09rj1';
1125                 $textLength = strlen( $text );
1126
1127                 $this->testPage->doEditContent( new WikitextContent( $text ), __METHOD__ );
1128                 $rev[1] = $this->testPage->getLatest();
1129
1130                 $this->assertSame(
1131                         [ $rev[1] => $textLength ],
1132                         Revision::getParentLengths(
1133                                 wfGetDB( DB_MASTER ),
1134                                 [ $rev[1] ]
1135                         )
1136                 );
1137         }
1138
1139         /**
1140          * @covers Revision::getParentLengths
1141          */
1142         public function testGetParentLengths_multipleRevIds() {
1143                 $textOne = '831jr091jr0921kr21kr0921kjr0921j09rj1';
1144                 $textOneLength = strlen( $textOne );
1145                 $textTwo = '831jr091jr092121j09rj1';
1146                 $textTwoLength = strlen( $textTwo );
1147
1148                 $this->testPage->doEditContent( new WikitextContent( $textOne ), __METHOD__ );
1149                 $rev[1] = $this->testPage->getLatest();
1150                 $this->testPage->doEditContent( new WikitextContent( $textTwo ), __METHOD__ );
1151                 $rev[2] = $this->testPage->getLatest();
1152
1153                 $this->assertSame(
1154                         [ $rev[1] => $textOneLength, $rev[2] => $textTwoLength ],
1155                         Revision::getParentLengths(
1156                                 wfGetDB( DB_MASTER ),
1157                                 [ $rev[1], $rev[2] ]
1158                         )
1159                 );
1160         }
1161
1162         /**
1163          * @covers Revision::getTitle
1164          */
1165         public function testGetTitle_fromExistingRevision() {
1166                 $this->assertTrue(
1167                         $this->testPage->getTitle()->equals(
1168                                 $this->testPage->getRevision()->getTitle()
1169                         )
1170                 );
1171         }
1172
1173         /**
1174          * @covers Revision::getTitle
1175          */
1176         public function testGetTitle_fromRevisionWhichWillLoadTheTitle() {
1177                 $rev = new Revision( [ 'id' => $this->testPage->getLatest() ] );
1178                 $this->assertTrue(
1179                         $this->testPage->getTitle()->equals(
1180                                 $rev->getTitle()
1181                         )
1182                 );
1183         }
1184
1185         /**
1186          * @covers Revision::isMinor
1187          */
1188         public function testIsMinor_true() {
1189                 // Use a sysop to ensure we can mark edits as minor
1190                 $sysop = $this->getTestSysop()->getUser();
1191
1192                 $this->testPage->doEditContent(
1193                         new WikitextContent( __METHOD__ ),
1194                         __METHOD__,
1195                         EDIT_MINOR,
1196                         false,
1197                         $sysop
1198                 );
1199                 $rev = $this->testPage->getRevision();
1200
1201                 $this->assertSame( true, $rev->isMinor() );
1202         }
1203
1204         /**
1205          * @covers Revision::isMinor
1206          */
1207         public function testIsMinor_false() {
1208                 $this->testPage->doEditContent(
1209                         new WikitextContent( __METHOD__ ),
1210                         __METHOD__,
1211                         0
1212                 );
1213                 $rev = $this->testPage->getRevision();
1214
1215                 $this->assertSame( false, $rev->isMinor() );
1216         }
1217
1218         /**
1219          * @covers Revision::getTimestamp
1220          */
1221         public function testGetTimestamp() {
1222                 $testTimestamp = wfTimestampNow();
1223
1224                 $this->testPage->doEditContent(
1225                         new WikitextContent( __METHOD__ ),
1226                         __METHOD__
1227                 );
1228                 $rev = $this->testPage->getRevision();
1229
1230                 $this->assertInternalType( 'string', $rev->getTimestamp() );
1231                 $this->assertTrue( strlen( $rev->getTimestamp() ) == strlen( 'YYYYMMDDHHMMSS' ) );
1232                 $this->assertContains( substr( $testTimestamp, 0, 10 ), $rev->getTimestamp() );
1233         }
1234
1235         /**
1236          * @covers Revision::getUser
1237          * @covers Revision::getUserText
1238          */
1239         public function testGetUserAndText() {
1240                 $sysop = $this->getTestSysop()->getUser();
1241
1242                 $this->testPage->doEditContent(
1243                         new WikitextContent( __METHOD__ ),
1244                         __METHOD__,
1245                         0,
1246                         false,
1247                         $sysop
1248                 );
1249                 $rev = $this->testPage->getRevision();
1250
1251                 $this->assertSame( $sysop->getId(), $rev->getUser() );
1252                 $this->assertSame( $sysop->getName(), $rev->getUserText() );
1253         }
1254
1255         /**
1256          * @covers Revision::isDeleted
1257          */
1258         public function testIsDeleted_nothingDeleted() {
1259                 $rev = $this->testPage->getRevision();
1260
1261                 $this->assertSame( false, $rev->isDeleted( Revision::DELETED_TEXT ) );
1262                 $this->assertSame( false, $rev->isDeleted( Revision::DELETED_COMMENT ) );
1263                 $this->assertSame( false, $rev->isDeleted( Revision::DELETED_RESTRICTED ) );
1264                 $this->assertSame( false, $rev->isDeleted( Revision::DELETED_USER ) );
1265         }
1266
1267         /**
1268          * @covers Revision::getVisibility
1269          */
1270         public function testGetVisibility_nothingDeleted() {
1271                 $rev = $this->testPage->getRevision();
1272
1273                 $this->assertSame( 0, $rev->getVisibility() );
1274         }
1275
1276         /**
1277          * @covers Revision::getComment
1278          */
1279         public function testGetComment_notDeleted() {
1280                 $expectedSummary = 'goatlicious summary';
1281
1282                 $this->testPage->doEditContent(
1283                         new WikitextContent( __METHOD__ ),
1284                         $expectedSummary
1285                 );
1286                 $rev = $this->testPage->getRevision();
1287
1288                 $this->assertSame( $expectedSummary, $rev->getComment() );
1289         }
1290
1291         /**
1292          * @covers Revision::isUnpatrolled
1293          */
1294         public function testIsUnpatrolled_returnsRecentChangesId() {
1295                 $this->testPage->doEditContent( new WikitextContent( __METHOD__ ), __METHOD__ );
1296                 $rev = $this->testPage->getRevision();
1297
1298                 $this->assertGreaterThan( 0, $rev->isUnpatrolled() );
1299                 $this->assertSame( $rev->getRecentChange()->getAttribute( 'rc_id' ), $rev->isUnpatrolled() );
1300         }
1301
1302         /**
1303          * @covers Revision::isUnpatrolled
1304          */
1305         public function testIsUnpatrolled_returnsZeroIfPatrolled() {
1306                 // This assumes that sysops are auto patrolled
1307                 $sysop = $this->getTestSysop()->getUser();
1308                 $this->testPage->doEditContent(
1309                         new WikitextContent( __METHOD__ ),
1310                         __METHOD__,
1311                         0,
1312                         false,
1313                         $sysop
1314                 );
1315                 $rev = $this->testPage->getRevision();
1316
1317                 $this->assertSame( 0, $rev->isUnpatrolled() );
1318         }
1319
1320         /**
1321          * This is a simple blanket test for all simple content getters and is methods to provide some
1322          * coverage before the split of Revision into multiple classes for MCR work.
1323          * @covers Revision::getContent
1324          * @covers Revision::getSerializedData
1325          * @covers Revision::getContentModel
1326          * @covers Revision::getContentFormat
1327          * @covers Revision::getContentHandler
1328          */
1329         public function testSimpleContentGetters() {
1330                 $expectedText = 'testSimpleContentGetters in Revision. Goats love MCR...';
1331                 $expectedSummary = 'goatlicious testSimpleContentGetters summary';
1332
1333                 $this->testPage->doEditContent(
1334                         new WikitextContent( $expectedText ),
1335                         $expectedSummary
1336                 );
1337                 $rev = $this->testPage->getRevision();
1338
1339                 $this->assertSame( $expectedText, $rev->getContent()->getNativeData() );
1340                 $this->assertSame( $expectedText, $rev->getSerializedData() );
1341                 $this->assertSame( $this->testPage->getContentModel(), $rev->getContentModel() );
1342                 $this->assertSame( $this->testPage->getContent()->getDefaultFormat(), $rev->getContentFormat() );
1343                 $this->assertSame( $this->testPage->getContentHandler(), $rev->getContentHandler() );
1344         }
1345
1346         /**
1347          * @covers Revision::newKnownCurrent
1348          */
1349         public function testNewKnownCurrent() {
1350                 // Setup the services
1351                 $cache = new WANObjectCache( [ 'cache' => new HashBagOStuff() ] );
1352                 $this->setService( 'MainWANObjectCache', $cache );
1353                 $db = wfGetDB( DB_MASTER );
1354
1355                 // Get a fresh revision to use during testing
1356                 $this->testPage->doEditContent( new WikitextContent( __METHOD__ ), __METHOD__ );
1357                 $rev = $this->testPage->getRevision();
1358
1359                 // Clear any previous cache for the revision during creation
1360                 $key = $cache->makeGlobalKey( 'revision-row-1.29',
1361                         $db->getDomainID(),
1362                         $rev->getPage(),
1363                         $rev->getId()
1364                 );
1365                 $cache->delete( $key, WANObjectCache::HOLDOFF_NONE );
1366                 $this->assertFalse( $cache->get( $key ) );
1367
1368                 // Get the new revision and make sure it is in the cache and correct
1369                 $newRev = Revision::newKnownCurrent( $db, $rev->getPage(), $rev->getId() );
1370                 $this->assertRevEquals( $rev, $newRev );
1371
1372                 $cachedRow = $cache->get( $key );
1373                 $this->assertNotFalse( $cachedRow );
1374                 $this->assertEquals( $rev->getId(), $cachedRow->rev_id );
1375         }
1376
1377         public function testNewKnownCurrent_withPageId() {
1378                 $db = wfGetDB( DB_MASTER );
1379
1380                 $this->testPage->doEditContent( new WikitextContent( __METHOD__ ), __METHOD__ );
1381                 $rev = $this->testPage->getRevision();
1382
1383                 $pageId = $this->testPage->getId();
1384
1385                 $newRev = Revision::newKnownCurrent( $db, $pageId, $rev->getId() );
1386                 $this->assertRevEquals( $rev, $newRev );
1387         }
1388
1389         public function testNewKnownCurrent_returnsFalseWhenTitleDoesntExist() {
1390                 $db = wfGetDB( DB_MASTER );
1391
1392                 $this->assertFalse( Revision::newKnownCurrent( $db, 0 ) );
1393         }
1394
1395         public function provideUserCanBitfield() {
1396                 yield [ 0, 0, [], null, true ];
1397                 // Bitfields match, user has no permissions
1398                 yield [ Revision::DELETED_TEXT, Revision::DELETED_TEXT, [], null, false ];
1399                 yield [ Revision::DELETED_COMMENT, Revision::DELETED_COMMENT, [], null, false ];
1400                 yield [ Revision::DELETED_USER, Revision::DELETED_USER, [], null, false ];
1401                 yield [ Revision::DELETED_RESTRICTED, Revision::DELETED_RESTRICTED, [], null, false ];
1402                 // Bitfields match, user (admin) does have permissions
1403                 yield [ Revision::DELETED_TEXT, Revision::DELETED_TEXT, [ 'sysop' ], null, true ];
1404                 yield [ Revision::DELETED_COMMENT, Revision::DELETED_COMMENT, [ 'sysop' ], null, true ];
1405                 yield [ Revision::DELETED_USER, Revision::DELETED_USER, [ 'sysop' ], null, true ];
1406                 // Bitfields match, user (admin) does not have permissions
1407                 yield [ Revision::DELETED_RESTRICTED, Revision::DELETED_RESTRICTED, [ 'sysop' ], null, false ];
1408                 // Bitfields match, user (oversight) does have permissions
1409                 yield [ Revision::DELETED_RESTRICTED, Revision::DELETED_RESTRICTED, [ 'oversight' ], null, true ];
1410                 // Check permissions using the title
1411                 yield [
1412                         Revision::DELETED_TEXT,
1413                         Revision::DELETED_TEXT,
1414                         [ 'sysop' ],
1415                         Title::newFromText( __METHOD__ ),
1416                         true,
1417                 ];
1418                 yield [
1419                         Revision::DELETED_TEXT,
1420                         Revision::DELETED_TEXT,
1421                         [],
1422                         Title::newFromText( __METHOD__ ),
1423                         false,
1424                 ];
1425         }
1426
1427         /**
1428          * @dataProvider provideUserCanBitfield
1429          * @covers Revision::userCanBitfield
1430          */
1431         public function testUserCanBitfield( $bitField, $field, $userGroups, $title, $expected ) {
1432                 $this->setMwGlobals(
1433                         'wgGroupPermissions',
1434                         [
1435                                 'sysop' => [
1436                                         'deletedtext' => true,
1437                                         'deletedhistory' => true,
1438                                 ],
1439                                 'oversight' => [
1440                                         'viewsuppressed' => true,
1441                                         'suppressrevision' => true,
1442                                 ],
1443                         ]
1444                 );
1445                 $user = $this->getTestUser( $userGroups )->getUser();
1446
1447                 $this->assertSame(
1448                         $expected,
1449                         Revision::userCanBitfield( $bitField, $field, $user, $title )
1450                 );
1451
1452                 // Fallback to $wgUser
1453                 $this->setMwGlobals(
1454                         'wgUser',
1455                         $user
1456                 );
1457                 $this->assertSame(
1458                         $expected,
1459                         Revision::userCanBitfield( $bitField, $field, null, $title )
1460                 );
1461         }
1462
1463         public function provideUserCan() {
1464                 yield [ 0, 0, [], true ];
1465                 // Bitfields match, user has no permissions
1466                 yield [ Revision::DELETED_TEXT, Revision::DELETED_TEXT, [], false ];
1467                 yield [ Revision::DELETED_COMMENT, Revision::DELETED_COMMENT, [], false ];
1468                 yield [ Revision::DELETED_USER, Revision::DELETED_USER, [], false ];
1469                 yield [ Revision::DELETED_RESTRICTED, Revision::DELETED_RESTRICTED, [], false ];
1470                 // Bitfields match, user (admin) does have permissions
1471                 yield [ Revision::DELETED_TEXT, Revision::DELETED_TEXT, [ 'sysop' ], true ];
1472                 yield [ Revision::DELETED_COMMENT, Revision::DELETED_COMMENT, [ 'sysop' ], true ];
1473                 yield [ Revision::DELETED_USER, Revision::DELETED_USER, [ 'sysop' ], true ];
1474                 // Bitfields match, user (admin) does not have permissions
1475                 yield [ Revision::DELETED_RESTRICTED, Revision::DELETED_RESTRICTED, [ 'sysop' ], false ];
1476                 // Bitfields match, user (oversight) does have permissions
1477                 yield [ Revision::DELETED_RESTRICTED, Revision::DELETED_RESTRICTED, [ 'oversight' ], true ];
1478         }
1479
1480         /**
1481          * @dataProvider provideUserCan
1482          * @covers Revision::userCan
1483          */
1484         public function testUserCan( $bitField, $field, $userGroups, $expected ) {
1485                 $this->setMwGlobals(
1486                         'wgGroupPermissions',
1487                         [
1488                                 'sysop' => [
1489                                         'deletedtext' => true,
1490                                         'deletedhistory' => true,
1491                                 ],
1492                                 'oversight' => [
1493                                         'viewsuppressed' => true,
1494                                         'suppressrevision' => true,
1495                                 ],
1496                         ]
1497                 );
1498                 $user = $this->getTestUser( $userGroups )->getUser();
1499                 $revision = new Revision( [ 'deleted' => $bitField ], 0, $this->testPage->getTitle() );
1500
1501                 $this->assertSame(
1502                         $expected,
1503                         $revision->userCan( $field, $user )
1504                 );
1505         }
1506
1507 }