tests/phpunit/includes/RevisionIntegrationTest.php

   1 <?php
   2
   3 /**
   4  * @group ContentHandler
   5  * @group Database
   6  *
   7  * @group medium
   8  */
   9 class RevisionIntegrationTest extends MediaWikiTestCase {
  10
  11         /**
  12          * @var WikiPage $testPage
  13          */
  14         private $testPage;
  15
  16         public function __construct( $name = null, array $data = [], $dataName = '' ) {
  17                 parent::__construct( $name, $data, $dataName );
  18
  19                 $this->tablesUsed = array_merge( $this->tablesUsed,
  20                         [
  21                                 'page',
  22                                 'revision',
  23                                 'ip_changes',
  24                                 'text',
  25                                 'archive',
  26
  27                                 'recentchanges',
  28                                 'logging',
  29
  30                                 'page_props',
  31                                 'pagelinks',
  32                                 'categorylinks',
  33                                 'langlinks',
  34                                 'externallinks',
  35                                 'imagelinks',
  36                                 'templatelinks',
  37                                 'iwlinks'
  38                         ]
  39                 );
  40         }
  41
  42         protected function setUp() {
  43                 global $wgContLang;
  44
  45                 parent::setUp();
  46
  47                 $this->mergeMwGlobalArrayValue(
  48                         'wgExtraNamespaces',
  49                         [
  50                                 12312 => 'Dummy',
  51                                 12313 => 'Dummy_talk',
  52                         ]
  53                 );
  54
  55                 $this->mergeMwGlobalArrayValue(
  56                         'wgNamespaceContentModels',
  57                         [
  58                                 12312 => DummyContentForTesting::MODEL_ID,
  59                         ]
  60                 );
  61
  62                 $this->mergeMwGlobalArrayValue(
  63                         'wgContentHandlers',
  64                         [
  65                                 DummyContentForTesting::MODEL_ID => 'DummyContentHandlerForTesting',
  66                                 RevisionTestModifyableContent::MODEL_ID => 'RevisionTestModifyableContentHandler',
  67                         ]
  68                 );
  69
  70                 MWNamespace::clearCaches();
  71                 // Reset namespace cache
  72                 $wgContLang->resetNamespaces();
  73                 if ( !$this->testPage ) {
  74                         $this->testPage = WikiPage::factory( Title::newFromText( 'UTPage' ) );
  75                 }
  76         }
  77
  78         protected function tearDown() {
  79                 global $wgContLang;
  80
  81                 parent::tearDown();
  82
  83                 MWNamespace::clearCaches();
  84                 // Reset namespace cache
  85                 $wgContLang->resetNamespaces();
  86         }
  87
  88         private function makeRevisionWithProps( $props = null ) {
  89                 if ( $props === null ) {
  90                         $props = [];
  91                 }
  92
  93                 if ( !isset( $props['content'] ) && !isset( $props['text'] ) ) {
  94                         $props['text'] = 'Lorem Ipsum';
  95                 }
  96
  97                 if ( !isset( $props['comment'] ) ) {
  98                         $props['comment'] = 'just a test';
  99                 }
 100
 101                 if ( !isset( $props['page'] ) ) {
 102                         $props['page'] = $this->testPage->getId();
 103                 }
 104
 105                 $rev = new Revision( $props );
 106
 107                 $dbw = wfGetDB( DB_MASTER );
 108                 $rev->insertOn( $dbw );
 109
 110                 return $rev;
 111         }
 112
 113         /**
 114          * @param string $titleString
 115          * @param string $text
 116          * @param string|null $model
 117          *
 118          * @return WikiPage
 119          */
 120         private function createPage( $titleString, $text, $model = null ) {
 121                 if ( !preg_match( '/:/', $titleString ) &&
 122                         ( $model === null || $model === CONTENT_MODEL_WIKITEXT )
 123                 ) {
 124                         $ns = $this->getDefaultWikitextNS();
 125                         $titleString = MWNamespace::getCanonicalName( $ns ) . ':' . $titleString;
 126                 }
 127
 128                 $title = Title::newFromText( $titleString );
 129                 $wikipage = new WikiPage( $title );
 130
 131                 // Delete the article if it already exists
 132                 if ( $wikipage->exists() ) {
 133                         $wikipage->doDeleteArticle( "done" );
 134                 }
 135
 136                 $content = ContentHandler::makeContent( $text, $title, $model );
 137                 $wikipage->doEditContent( $content, __METHOD__, EDIT_NEW );
 138
 139                 return $wikipage;
 140         }
 141
 142         private function assertRevEquals( Revision $orig, Revision $rev = null ) {
 143                 $this->assertNotNull( $rev, 'missing revision' );
 144
 145                 $this->assertEquals( $orig->getId(), $rev->getId() );
 146                 $this->assertEquals( $orig->getPage(), $rev->getPage() );
 147                 $this->assertEquals( $orig->getTimestamp(), $rev->getTimestamp() );
 148                 $this->assertEquals( $orig->getUser(), $rev->getUser() );
 149                 $this->assertEquals( $orig->getContentModel(), $rev->getContentModel() );
 150                 $this->assertEquals( $orig->getContentFormat(), $rev->getContentFormat() );
 151                 $this->assertEquals( $orig->getSha1(), $rev->getSha1() );
 152         }
 153
 154         /**
 155          * @covers Revision::insertOn
 156          */
 157         public function testInsertOn_success() {
 158                 $parentId = $this->testPage->getLatest();
 159
 160                 // If an ExternalStore is set don't use it.
 161                 $this->setMwGlobals( 'wgDefaultExternalStore', false );
 162
 163                 $rev = new Revision( [
 164                         'page' => $this->testPage->getId(),
 165                         'title' => $this->testPage->getTitle(),
 166                         'text' => 'Revision Text',
 167                         'comment' => 'Revision comment',
 168                 ] );
 169
 170                 $revId = $rev->insertOn( wfGetDB( DB_MASTER ) );
 171
 172                 $this->assertInternalType( 'integer', $revId );
 173                 $this->assertInternalType( 'integer', $rev->getTextId() );
 174                 $this->assertSame( $revId, $rev->getId() );
 175
 176                 $this->assertSelect(
 177                         'text',
 178                         [ 'old_id', 'old_text' ],
 179                         "old_id = {$rev->getTextId()}",
 180                         [ [ strval( $rev->getTextId() ), 'Revision Text' ] ]
 181                 );
 182                 $this->assertSelect(
 183                         'revision',
 184                         [
 185                                 'rev_id',
 186                                 'rev_page',
 187                                 'rev_text_id',
 188                                 'rev_user',
 189                                 'rev_minor_edit',
 190                                 'rev_deleted',
 191                                 'rev_len',
 192                                 'rev_parent_id',
 193                                 'rev_sha1',
 194                         ],
 195                         "rev_id = {$rev->getId()}",
 196                         [ [
 197                                 strval( $rev->getId() ),
 198                                 strval( $this->testPage->getId() ),
 199                                 strval( $rev->getTextId() ),
 200                                 '0',
 201                                 '0',
 202                                 '0',
 203                                 '13',
 204                                 strval( $parentId ),
 205                                 's0ngbdoxagreuf2vjtuxzwdz64n29xm',
 206                         ] ]
 207                 );
 208         }
 209
 210         /**
 211          * @covers Revision::insertOn
 212          */
 213         public function testInsertOn_exceptionOnNoPage() {
 214                 // If an ExternalStore is set don't use it.
 215                 $this->setMwGlobals( 'wgDefaultExternalStore', false );
 216                 $this->setExpectedException(
 217                         MWException::class,
 218                         "Cannot insert revision: page ID must be nonzero"
 219                 );
 220
 221                 $rev = new Revision( [] );
 222
 223                 $rev->insertOn( wfGetDB( DB_MASTER ) );
 224         }
 225
 226         /**
 227          * @covers Revision::newFromTitle
 228          */
 229         public function testNewFromTitle_withoutId() {
 230                 $latestRevId = $this->testPage->getLatest();
 231
 232                 $rev = Revision::newFromTitle( $this->testPage->getTitle() );
 233
 234                 $this->assertTrue( $this->testPage->getTitle()->equals( $rev->getTitle() ) );
 235                 $this->assertEquals( $latestRevId, $rev->getId() );
 236         }
 237
 238         /**
 239          * @covers Revision::newFromTitle
 240          */
 241         public function testNewFromTitle_withId() {
 242                 $latestRevId = $this->testPage->getLatest();
 243
 244                 $rev = Revision::newFromTitle( $this->testPage->getTitle(), $latestRevId );
 245
 246                 $this->assertTrue( $this->testPage->getTitle()->equals( $rev->getTitle() ) );
 247                 $this->assertEquals( $latestRevId, $rev->getId() );
 248         }
 249
 250         /**
 251          * @covers Revision::newFromTitle
 252          */
 253         public function testNewFromTitle_withBadId() {
 254                 $latestRevId = $this->testPage->getLatest();
 255
 256                 $rev = Revision::newFromTitle( $this->testPage->getTitle(), $latestRevId + 1 );
 257
 258                 $this->assertNull( $rev );
 259         }
 260
 261         /**
 262          * @covers Revision::newFromRow
 263          */
 264         public function testNewFromRow() {
 265                 $orig = $this->makeRevisionWithProps();
 266
 267                 $dbr = wfGetDB( DB_REPLICA );
 268                 $res = $dbr->select( 'revision', Revision::selectFields(), [ 'rev_id' => $orig->getId() ] );
 269                 $this->assertTrue( is_object( $res ), 'query failed' );
 270
 271                 $row = $res->fetchObject();
 272                 $res->free();
 273
 274                 $rev = Revision::newFromRow( $row );
 275
 276                 $this->assertRevEquals( $orig, $rev );
 277         }
 278
 279         public function provideNewFromArchiveRow() {
 280                 yield [
 281                         true,
 282                         function ( $f ) {
 283                                 return $f;
 284                         },
 285                 ];
 286                 yield [
 287                         false,
 288                         function ( $f ) {
 289                                 return $f;
 290                         },
 291                 ];
 292                 yield [
 293                         true,
 294                         function ( $f ) {
 295                                 return $f + [ 'ar_namespace', 'ar_title' ];
 296                         },
 297                 ];
 298                 yield [
 299                         false,
 300                         function ( $f ) {
 301                                 return $f + [ 'ar_namespace', 'ar_title' ];
 302                         },
 303                 ];
 304                 yield [
 305                         true,
 306                         function ( $f ) {
 307                                 unset( $f['ar_text_id'] );
 308                                 return $f;
 309                         },
 310                 ];
 311                 yield [
 312                         false,
 313                         function ( $f ) {
 314                                 unset( $f['ar_text_id'] );
 315                                 return $f;
 316                         },
 317                 ];
 318         }
 319
 320         /**
 321          * @dataProvider provideNewFromArchiveRow
 322          * @covers Revision::newFromArchiveRow
 323          */
 324         public function testNewFromArchiveRow( $contentHandlerUseDB, $selectModifier ) {
 325                 $this->setMwGlobals( 'wgContentHandlerUseDB', $contentHandlerUseDB );
 326
 327                 $page = $this->createPage(
 328                         'RevisionStorageTest_testNewFromArchiveRow',
 329                         'Lorem Ipsum',
 330                         CONTENT_MODEL_WIKITEXT
 331                 );
 332                 $orig = $page->getRevision();
 333                 $page->doDeleteArticle( 'test Revision::newFromArchiveRow' );
 334
 335                 $dbr = wfGetDB( DB_REPLICA );
 336                 $selectFields = $selectModifier( Revision::selectArchiveFields() );
 337                 $res = $dbr->select(
 338                         'archive', $selectFields, [ 'ar_rev_id' => $orig->getId() ]
 339                 );
 340                 $this->assertTrue( is_object( $res ), 'query failed' );
 341
 342                 $row = $res->fetchObject();
 343                 $res->free();
 344
 345                 $rev = Revision::newFromArchiveRow( $row );
 346
 347                 $this->assertRevEquals( $orig, $rev );
 348         }
 349
 350         /**
 351          * @covers Revision::newFromArchiveRow
 352          */
 353         public function testNewFromArchiveRowOverrides() {
 354                 $page = $this->createPage(
 355                         'RevisionStorageTest_testNewFromArchiveRow',
 356                         'Lorem Ipsum',
 357                         CONTENT_MODEL_WIKITEXT
 358                 );
 359                 $orig = $page->getRevision();
 360                 $page->doDeleteArticle( 'test Revision::newFromArchiveRow' );
 361
 362                 $dbr = wfGetDB( DB_REPLICA );
 363                 $res = $dbr->select(
 364                         'archive', Revision::selectArchiveFields(), [ 'ar_rev_id' => $orig->getId() ]
 365                 );
 366                 $this->assertTrue( is_object( $res ), 'query failed' );
 367
 368                 $row = $res->fetchObject();
 369                 $res->free();
 370
 371                 $rev = Revision::newFromArchiveRow( $row, [ 'comment' => 'SOMEOVERRIDE' ] );
 372
 373                 $this->assertNotEquals( $orig->getComment(), $rev->getComment() );
 374                 $this->assertEquals( 'SOMEOVERRIDE', $rev->getComment() );
 375         }
 376
 377         /**
 378          * @covers Revision::newFromId
 379          */
 380         public function testNewFromId() {
 381                 $orig = $this->testPage->getRevision();
 382                 $rev = Revision::newFromId( $orig->getId() );
 383                 $this->assertRevEquals( $orig, $rev );
 384         }
 385
 386         /**
 387          * @covers Revision::newFromPageId
 388          */
 389         public function testNewFromPageId() {
 390                 $rev = Revision::newFromPageId( $this->testPage->getId() );
 391                 $this->assertRevEquals(
 392                         $this->testPage->getRevision(),
 393                         $rev
 394                 );
 395         }
 396
 397         /**
 398          * @covers Revision::newFromPageId
 399          */
 400         public function testNewFromPageIdWithLatestId() {
 401                 $rev = Revision::newFromPageId(
 402                         $this->testPage->getId(),
 403                         $this->testPage->getLatest()
 404                 );
 405                 $this->assertRevEquals(
 406                         $this->testPage->getRevision(),
 407                         $rev
 408                 );
 409         }
 410
 411         /**
 412          * @covers Revision::newFromPageId
 413          */
 414         public function testNewFromPageIdWithNotLatestId() {
 415                 $this->testPage->doEditContent( new WikitextContent( __METHOD__ ), __METHOD__ );
 416                 $rev = Revision::newFromPageId(
 417                         $this->testPage->getId(),
 418                         $this->testPage->getRevision()->getPrevious()->getId()
 419                 );
 420                 $this->assertRevEquals(
 421                         $this->testPage->getRevision()->getPrevious(),
 422                         $rev
 423                 );
 424         }
 425
 426         /**
 427          * @covers Revision::fetchRevision
 428          */
 429         public function testFetchRevision() {
 430                 // Hidden process cache assertion below
 431                 $this->testPage->getRevision()->getId();
 432
 433                 $this->testPage->doEditContent( new WikitextContent( __METHOD__ ), __METHOD__ );
 434                 $id = $this->testPage->getRevision()->getId();
 435
 436                 $res = Revision::fetchRevision( $this->testPage->getTitle() );
 437
 438                 # note: order is unspecified
 439                 $rows = [];
 440                 while ( ( $row = $res->fetchObject() ) ) {
 441                         $rows[$row->rev_id] = $row;
 442                 }
 443
 444                 $this->assertEquals( 1, count( $rows ), 'expected exactly one revision' );
 445                 $this->assertArrayHasKey( $id, $rows, 'missing revision with id ' . $id );
 446         }
 447
 448         /**
 449          * @covers Revision::getPage
 450          */
 451         public function testGetPage() {
 452                 $page = $this->testPage;
 453
 454                 $orig = $this->makeRevisionWithProps( [ 'page' => $page->getId() ] );
 455                 $rev = Revision::newFromId( $orig->getId() );
 456
 457                 $this->assertEquals( $page->getId(), $rev->getPage() );
 458         }
 459
 460         /**
 461          * @covers Revision::isCurrent
 462          */
 463         public function testIsCurrent() {
 464                 $rev1 = $this->testPage->getRevision();
 465
 466                 # @todo find out if this should be true
 467                 # $this->assertTrue( $rev1->isCurrent() );
 468
 469                 $rev1x = Revision::newFromId( $rev1->getId() );
 470                 $this->assertTrue( $rev1x->isCurrent() );
 471
 472                 $this->testPage->doEditContent( new WikitextContent( __METHOD__ ), __METHOD__ );
 473                 $rev2 = $this->testPage->getRevision();
 474
 475                 # @todo find out if this should be true
 476                 # $this->assertTrue( $rev2->isCurrent() );
 477
 478                 $rev1x = Revision::newFromId( $rev1->getId() );
 479                 $this->assertFalse( $rev1x->isCurrent() );
 480
 481                 $rev2x = Revision::newFromId( $rev2->getId() );
 482                 $this->assertTrue( $rev2x->isCurrent() );
 483         }
 484
 485         /**
 486          * @covers Revision::getPrevious
 487          */
 488         public function testGetPrevious() {
 489                 $oldestRevision = $this->testPage->getOldestRevision();
 490                 $latestRevision = $this->testPage->getLatest();
 491
 492                 $this->assertNull( $oldestRevision->getPrevious() );
 493
 494                 $this->testPage->doEditContent( new WikitextContent( __METHOD__ ), __METHOD__ );
 495                 $newRevision = $this->testPage->getRevision();
 496
 497                 $this->assertNotNull( $newRevision->getPrevious() );
 498                 $this->assertEquals( $latestRevision, $newRevision->getPrevious()->getId() );
 499         }
 500
 501         /**
 502          * @covers Revision::getNext
 503          */
 504         public function testGetNext() {
 505                 $rev1 = $this->testPage->getRevision();
 506
 507                 $this->assertNull( $rev1->getNext() );
 508
 509                 $this->testPage->doEditContent( new WikitextContent( __METHOD__ ), __METHOD__ );
 510                 $rev2 = $this->testPage->getRevision();
 511
 512                 $this->assertNotNull( $rev1->getNext() );
 513                 $this->assertEquals( $rev2->getId(), $rev1->getNext()->getId() );
 514         }
 515
 516         /**
 517          * @covers Revision::newNullRevision
 518          */
 519         public function testNewNullRevision() {
 520                 $this->testPage->doEditContent( new WikitextContent( __METHOD__ ), __METHOD__ );
 521                 $orig = $this->testPage->getRevision();
 522
 523                 $dbw = wfGetDB( DB_MASTER );
 524                 $rev = Revision::newNullRevision( $dbw, $this->testPage->getId(), 'a null revision', false );
 525
 526                 $this->assertNotEquals( $orig->getId(), $rev->getId(),
 527                         'new null revision should have a different id from the original revision' );
 528                 $this->assertEquals( $orig->getTextId(), $rev->getTextId(),
 529                         'new null revision should have the same text id as the original revision' );
 530                 $this->assertEquals( __METHOD__, $rev->getContent()->getNativeData() );
 531         }
 532
 533         /**
 534          * @covers Revision::insertOn
 535          */
 536         public function testInsertOn() {
 537                 $ip = '2600:387:ed7:947e:8c16:a1ad:dd34:1dd7';
 538
 539                 $orig = $this->makeRevisionWithProps( [
 540                         'user_text' => $ip
 541                 ] );
 542
 543                 // Make sure the revision was copied to ip_changes
 544                 $dbr = wfGetDB( DB_REPLICA );
 545                 $res = $dbr->select( 'ip_changes', '*', [ 'ipc_rev_id' => $orig->getId() ] );
 546                 $row = $res->fetchObject();
 547
 548                 $this->assertEquals( IP::toHex( $ip ), $row->ipc_hex );
 549                 $this->assertEquals( $orig->getTimestamp(), $row->ipc_rev_timestamp );
 550         }
 551
 552         public static function provideUserWasLastToEdit() {
 553                 yield 'actually the last edit' => [ 3, true ];
 554                 yield 'not the current edit, but still by this user' => [ 2, true ];
 555                 yield 'edit by another user' => [ 1, false ];
 556                 yield 'first edit, by this user, but another user edited in the mean time' => [ 0, false ];
 557         }
 558
 559         /**
 560          * @dataProvider provideUserWasLastToEdit
 561          */
 562         public function testUserWasLastToEdit( $sinceIdx, $expectedLast ) {
 563                 $userA = User::newFromName( "RevisionStorageTest_userA" );
 564                 $userB = User::newFromName( "RevisionStorageTest_userB" );
 565
 566                 if ( $userA->getId() === 0 ) {
 567                         $userA = User::createNew( $userA->getName() );
 568                 }
 569
 570                 if ( $userB->getId() === 0 ) {
 571                         $userB = User::createNew( $userB->getName() );
 572                 }
 573
 574                 $ns = $this->getDefaultWikitextNS();
 575
 576                 $dbw = wfGetDB( DB_MASTER );
 577                 $revisions = [];
 578
 579                 // create revisions -----------------------------
 580                 $page = WikiPage::factory( Title::newFromText(
 581                         'RevisionStorageTest_testUserWasLastToEdit', $ns ) );
 582                 $page->insertOn( $dbw );
 583
 584                 $revisions[0] = new Revision( [
 585                         'page' => $page->getId(),
 586                         // we need the title to determine the page's default content model
 587                         'title' => $page->getTitle(),
 588                         'timestamp' => '20120101000000',
 589                         'user' => $userA->getId(),
 590                         'text' => 'zero',
 591                         'content_model' => CONTENT_MODEL_WIKITEXT,
 592                         'summary' => 'edit zero'
 593                 ] );
 594                 $revisions[0]->insertOn( $dbw );
 595
 596                 $revisions[1] = new Revision( [
 597                         'page' => $page->getId(),
 598                         // still need the title, because $page->getId() is 0 (there's no entry in the page table)
 599                         'title' => $page->getTitle(),
 600                         'timestamp' => '20120101000100',
 601                         'user' => $userA->getId(),
 602                         'text' => 'one',
 603                         'content_model' => CONTENT_MODEL_WIKITEXT,
 604                         'summary' => 'edit one'
 605                 ] );
 606                 $revisions[1]->insertOn( $dbw );
 607
 608                 $revisions[2] = new Revision( [
 609                         'page' => $page->getId(),
 610                         'title' => $page->getTitle(),
 611                         'timestamp' => '20120101000200',
 612                         'user' => $userB->getId(),
 613                         'text' => 'two',
 614                         'content_model' => CONTENT_MODEL_WIKITEXT,
 615                         'summary' => 'edit two'
 616                 ] );
 617                 $revisions[2]->insertOn( $dbw );
 618
 619                 $revisions[3] = new Revision( [
 620                         'page' => $page->getId(),
 621                         'title' => $page->getTitle(),
 622                         'timestamp' => '20120101000300',
 623                         'user' => $userA->getId(),
 624                         'text' => 'three',
 625                         'content_model' => CONTENT_MODEL_WIKITEXT,
 626                         'summary' => 'edit three'
 627                 ] );
 628                 $revisions[3]->insertOn( $dbw );
 629
 630                 $revisions[4] = new Revision( [
 631                         'page' => $page->getId(),
 632                         'title' => $page->getTitle(),
 633                         'timestamp' => '20120101000200',
 634                         'user' => $userA->getId(),
 635                         'text' => 'zero',
 636                         'content_model' => CONTENT_MODEL_WIKITEXT,
 637                         'summary' => 'edit four'
 638                 ] );
 639                 $revisions[4]->insertOn( $dbw );
 640
 641                 // test it ---------------------------------
 642                 $since = $revisions[$sinceIdx]->getTimestamp();
 643
 644                 $wasLast = Revision::userWasLastToEdit( $dbw, $page->getId(), $userA->getId(), $since );
 645
 646                 $this->assertEquals( $expectedLast, $wasLast );
 647         }
 648
 649         /**
 650          * @param string $text
 651          * @param string $title
 652          * @param string $model
 653          * @param string $format
 654          *
 655          * @return Revision
 656          */
 657         private function newTestRevision( $text, $title = "Test",
 658                 $model = CONTENT_MODEL_WIKITEXT, $format = null
 659         ) {
 660                 if ( is_string( $title ) ) {
 661                         $title = Title::newFromText( $title );
 662                 }
 663
 664                 $content = ContentHandler::makeContent( $text, $title, $model, $format );
 665
 666                 $rev = new Revision(
 667                         [
 668                                 'id' => 42,
 669                                 'page' => 23,
 670                                 'title' => $title,
 671
 672                                 'content' => $content,
 673                                 'length' => $content->getSize(),
 674                                 'comment' => "testing",
 675                                 'minor_edit' => false,
 676
 677                                 'content_format' => $format,
 678                         ]
 679                 );
 680
 681                 return $rev;
 682         }
 683
 684         public function provideGetContentModel() {
 685                 // NOTE: we expect the help namespace to always contain wikitext
 686                 return [
 687                         [ 'hello world', 'Help:Hello', null, null, CONTENT_MODEL_WIKITEXT ],
 688                         [ 'hello world', 'User:hello/there.css', null, null, CONTENT_MODEL_CSS ],
 689                         [ serialize( 'hello world' ), 'Dummy:Hello', null, null, DummyContentForTesting::MODEL_ID ],
 690                 ];
 691         }
 692
 693         /**
 694          * @dataProvider provideGetContentModel
 695          * @covers Revision::getContentModel
 696          */
 697         public function testGetContentModel( $text, $title, $model, $format, $expectedModel ) {
 698                 $rev = $this->newTestRevision( $text, $title, $model, $format );
 699
 700                 $this->assertEquals( $expectedModel, $rev->getContentModel() );
 701         }
 702
 703         public function provideGetContentFormat() {
 704                 // NOTE: we expect the help namespace to always contain wikitext
 705                 return [
 706                         [ 'hello world', 'Help:Hello', null, null, CONTENT_FORMAT_WIKITEXT ],
 707                         [ 'hello world', 'Help:Hello', CONTENT_MODEL_CSS, null, CONTENT_FORMAT_CSS ],
 708                         [ 'hello world', 'User:hello/there.css', null, null, CONTENT_FORMAT_CSS ],
 709                         [ serialize( 'hello world' ), 'Dummy:Hello', null, null, DummyContentForTesting::MODEL_ID ],
 710                 ];
 711         }
 712
 713         /**
 714          * @dataProvider provideGetContentFormat
 715          * @covers Revision::getContentFormat
 716          */
 717         public function testGetContentFormat( $text, $title, $model, $format, $expectedFormat ) {
 718                 $rev = $this->newTestRevision( $text, $title, $model, $format );
 719
 720                 $this->assertEquals( $expectedFormat, $rev->getContentFormat() );
 721         }
 722
 723         public function provideGetContentHandler() {
 724                 // NOTE: we expect the help namespace to always contain wikitext
 725                 return [
 726                         [ 'hello world', 'Help:Hello', null, null, 'WikitextContentHandler' ],
 727                         [ 'hello world', 'User:hello/there.css', null, null, 'CssContentHandler' ],
 728                         [ serialize( 'hello world' ), 'Dummy:Hello', null, null, 'DummyContentHandlerForTesting' ],
 729                 ];
 730         }
 731
 732         /**
 733          * @dataProvider provideGetContentHandler
 734          * @covers Revision::getContentHandler
 735          */
 736         public function testGetContentHandler( $text, $title, $model, $format, $expectedClass ) {
 737                 $rev = $this->newTestRevision( $text, $title, $model, $format );
 738
 739                 $this->assertEquals( $expectedClass, get_class( $rev->getContentHandler() ) );
 740         }
 741
 742         public function provideGetContent() {
 743                 // NOTE: we expect the help namespace to always contain wikitext
 744                 return [
 745                         [ 'hello world', 'Help:Hello', null, null, Revision::FOR_PUBLIC, 'hello world' ],
 746                         [
 747                                 serialize( 'hello world' ),
 748                                 'Hello',
 749                                 DummyContentForTesting::MODEL_ID,
 750                                 null,
 751                                 Revision::FOR_PUBLIC,
 752                                 serialize( 'hello world' )
 753                         ],
 754                         [
 755                                 serialize( 'hello world' ),
 756                                 'Dummy:Hello',
 757                                 null,
 758                                 null,
 759                                 Revision::FOR_PUBLIC,
 760                                 serialize( 'hello world' )
 761                         ],
 762                 ];
 763         }
 764
 765         /**
 766          * @dataProvider provideGetContent
 767          * @covers Revision::getContent
 768          */
 769         public function testGetContent( $text, $title, $model, $format,
 770                 $audience, $expectedSerialization
 771         ) {
 772                 $rev = $this->newTestRevision( $text, $title, $model, $format );
 773                 $content = $rev->getContent( $audience );
 774
 775                 $this->assertEquals(
 776                         $expectedSerialization,
 777                         is_null( $content ) ? null : $content->serialize( $format )
 778                 );
 779         }
 780
 781         /**
 782          * @covers Revision::getContent
 783          */
 784         public function testGetContent_failure() {
 785                 $rev = new Revision( [
 786                         'page' => $this->testPage->getId(),
 787                         'content_model' => $this->testPage->getContentModel(),
 788                         'text_id' => 123456789, // not in the test DB
 789                 ] );
 790
 791                 $this->assertNull( $rev->getContent(),
 792                         "getContent() should return null if the revision's text blob could not be loaded." );
 793
 794                 // NOTE: check this twice, once for lazy initialization, and once with the cached value.
 795                 $this->assertNull( $rev->getContent(),
 796                         "getContent() should return null if the revision's text blob could not be loaded." );
 797         }
 798
 799         public function provideGetSize() {
 800                 return [
 801                         [ "hello world.", CONTENT_MODEL_WIKITEXT, 12 ],
 802                         [ serialize( "hello world." ), DummyContentForTesting::MODEL_ID, 12 ],
 803                 ];
 804         }
 805
 806         /**
 807          * @covers Revision::getSize
 808          * @dataProvider provideGetSize
 809          */
 810         public function testGetSize( $text, $model, $expected_size ) {
 811                 $rev = $this->newTestRevision( $text, 'RevisionTest_testGetSize', $model );
 812                 $this->assertEquals( $expected_size, $rev->getSize() );
 813         }
 814
 815         public function provideGetSha1() {
 816                 return [
 817                         [ "hello world.", CONTENT_MODEL_WIKITEXT, Revision::base36Sha1( "hello world." ) ],
 818                         [
 819                                 serialize( "hello world." ),
 820                                 DummyContentForTesting::MODEL_ID,
 821                                 Revision::base36Sha1( serialize( "hello world." ) )
 822                         ],
 823                 ];
 824         }
 825
 826         /**
 827          * @covers Revision::getSha1
 828          * @dataProvider provideGetSha1
 829          */
 830         public function testGetSha1( $text, $model, $expected_hash ) {
 831                 $rev = $this->newTestRevision( $text, 'RevisionTest_testGetSha1', $model );
 832                 $this->assertEquals( $expected_hash, $rev->getSha1() );
 833         }
 834
 835         /**
 836          * Tests whether $rev->getContent() returns a clone when needed.
 837          *
 838          * @covers Revision::getContent
 839          */
 840         public function testGetContentClone() {
 841                 $content = new RevisionTestModifyableContent( "foo" );
 842
 843                 $rev = new Revision(
 844                         [
 845                                 'id' => 42,
 846                                 'page' => 23,
 847                                 'title' => Title::newFromText( "testGetContentClone_dummy" ),
 848
 849                                 'content' => $content,
 850                                 'length' => $content->getSize(),
 851                                 'comment' => "testing",
 852                                 'minor_edit' => false,
 853                         ]
 854                 );
 855
 856                 /** @var RevisionTestModifyableContent $content */
 857                 $content = $rev->getContent( Revision::RAW );
 858                 $content->setText( "bar" );
 859
 860                 /** @var RevisionTestModifyableContent $content2 */
 861                 $content2 = $rev->getContent( Revision::RAW );
 862                 // content is mutable, expect clone
 863                 $this->assertNotSame( $content, $content2, "expected a clone" );
 864                 // clone should contain the original text
 865                 $this->assertEquals( "foo", $content2->getText() );
 866
 867                 $content2->setText( "bla bla" );
 868                 // clones should be independent
 869                 $this->assertEquals( "bar", $content->getText() );
 870         }
 871
 872         /**
 873          * Tests whether $rev->getContent() returns the same object repeatedly if appropriate.
 874          * @covers Revision::getContent
 875          */
 876         public function testGetContentUncloned() {
 877                 $rev = $this->newTestRevision( "hello", "testGetContentUncloned_dummy", CONTENT_MODEL_WIKITEXT );
 878                 $content = $rev->getContent( Revision::RAW );
 879                 $content2 = $rev->getContent( Revision::RAW );
 880
 881                 // for immutable content like wikitext, this should be the same object
 882                 $this->assertSame( $content, $content2 );
 883         }
 884
 885         /**
 886          * @covers Revision::loadFromId
 887          */
 888         public function testLoadFromId() {
 889                 $rev = $this->testPage->getRevision();
 890                 $this->assertRevEquals(
 891                         $rev,
 892                         Revision::loadFromId( wfGetDB( DB_MASTER ), $rev->getId() )
 893                 );
 894         }
 895
 896         /**
 897          * @covers Revision::loadFromPageId
 898          */
 899         public function testLoadFromPageId() {
 900                 $this->assertRevEquals(
 901                         $this->testPage->getRevision(),
 902                         Revision::loadFromPageId( wfGetDB( DB_MASTER ), $this->testPage->getId() )
 903                 );
 904         }
 905
 906         /**
 907          * @covers Revision::loadFromPageId
 908          */
 909         public function testLoadFromPageIdWithLatestRevId() {
 910                 $this->assertRevEquals(
 911                         $this->testPage->getRevision(),
 912                         Revision::loadFromPageId(
 913                                 wfGetDB( DB_MASTER ),
 914                                 $this->testPage->getId(),
 915                                 $this->testPage->getLatest()
 916                         )
 917                 );
 918         }
 919
 920         /**
 921          * @covers Revision::loadFromPageId
 922          */
 923         public function testLoadFromPageIdWithNotLatestRevId() {
 924                 $this->testPage->doEditContent( new WikitextContent( __METHOD__ ), __METHOD__ );
 925                 $this->assertRevEquals(
 926                         $this->testPage->getRevision()->getPrevious(),
 927                         Revision::loadFromPageId(
 928                                 wfGetDB( DB_MASTER ),
 929                                 $this->testPage->getId(),
 930                                 $this->testPage->getRevision()->getPrevious()->getId()
 931                         )
 932                 );
 933         }
 934
 935         /**
 936          * @covers Revision::loadFromTitle
 937          */
 938         public function testLoadFromTitle() {
 939                 $this->assertRevEquals(
 940                         $this->testPage->getRevision(),
 941                         Revision::loadFromTitle( wfGetDB( DB_MASTER ), $this->testPage->getTitle() )
 942                 );
 943         }
 944
 945         /**
 946          * @covers Revision::loadFromTitle
 947          */
 948         public function testLoadFromTitleWithLatestRevId() {
 949                 $this->assertRevEquals(
 950                         $this->testPage->getRevision(),
 951                         Revision::loadFromTitle(
 952                                 wfGetDB( DB_MASTER ),
 953                                 $this->testPage->getTitle(),
 954                                 $this->testPage->getLatest()
 955                         )
 956                 );
 957         }
 958
 959         /**
 960          * @covers Revision::loadFromTitle
 961          */
 962         public function testLoadFromTitleWithNotLatestRevId() {
 963                 $this->testPage->doEditContent( new WikitextContent( __METHOD__ ), __METHOD__ );
 964                 $this->assertRevEquals(
 965                         $this->testPage->getRevision()->getPrevious(),
 966                         Revision::loadFromTitle(
 967                                 wfGetDB( DB_MASTER ),
 968                                 $this->testPage->getTitle(),
 969                                 $this->testPage->getRevision()->getPrevious()->getId()
 970                         )
 971                 );
 972         }
 973
 974         /**
 975          * @covers Revision::loadFromTimestamp()
 976          */
 977         public function testLoadFromTimestamp() {
 978                 $this->assertRevEquals(
 979                         $this->testPage->getRevision(),
 980                         Revision::loadFromTimestamp(
 981                                 wfGetDB( DB_MASTER ),
 982                                 $this->testPage->getTitle(),
 983                                 $this->testPage->getRevision()->getTimestamp()
 984                         )
 985                 );
 986         }
 987
 988 }