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::__construct
 156          */
 157         public function testConstructFromRow() {
 158                 $latestRevisionId = $this->testPage->getLatest();
 159                 $latestRevision = $this->testPage->getRevision();
 160
 161                 $dbr = wfGetDB( DB_REPLICA );
 162                 $res = $dbr->select(
 163                         'revision',
 164                         Revision::selectFields(),
 165                         [ 'rev_id' => $latestRevisionId ]
 166                 );
 167                 $this->assertTrue( is_object( $res ), 'query failed' );
 168
 169                 $row = $res->fetchObject();
 170                 $res->free();
 171
 172                 $this->assertRevEquals( $latestRevision, new Revision( $row ) );
 173         }
 174
 175         /**
 176          * @covers Revision::newFromTitle
 177          */
 178         public function testNewFromTitle_withoutId() {
 179                 $latestRevId = $this->testPage->getLatest();
 180
 181                 $rev = Revision::newFromTitle( $this->testPage->getTitle() );
 182
 183                 $this->assertTrue( $this->testPage->getTitle()->equals( $rev->getTitle() ) );
 184                 $this->assertEquals( $latestRevId, $rev->getId() );
 185         }
 186
 187         /**
 188          * @covers Revision::newFromTitle
 189          */
 190         public function testNewFromTitle_withId() {
 191                 $latestRevId = $this->testPage->getLatest();
 192
 193                 $rev = Revision::newFromTitle( $this->testPage->getTitle(), $latestRevId );
 194
 195                 $this->assertTrue( $this->testPage->getTitle()->equals( $rev->getTitle() ) );
 196                 $this->assertEquals( $latestRevId, $rev->getId() );
 197         }
 198
 199         /**
 200          * @covers Revision::newFromTitle
 201          */
 202         public function testNewFromTitle_withBadId() {
 203                 $latestRevId = $this->testPage->getLatest();
 204
 205                 $rev = Revision::newFromTitle( $this->testPage->getTitle(), $latestRevId + 1 );
 206
 207                 $this->assertNull( $rev );
 208         }
 209
 210         /**
 211          * @covers Revision::newFromRow
 212          */
 213         public function testNewFromRow() {
 214                 $orig = $this->makeRevisionWithProps();
 215
 216                 $dbr = wfGetDB( DB_REPLICA );
 217                 $res = $dbr->select( 'revision', Revision::selectFields(), [ 'rev_id' => $orig->getId() ] );
 218                 $this->assertTrue( is_object( $res ), 'query failed' );
 219
 220                 $row = $res->fetchObject();
 221                 $res->free();
 222
 223                 $rev = Revision::newFromRow( $row );
 224
 225                 $this->assertRevEquals( $orig, $rev );
 226         }
 227
 228         /**
 229          * @covers Revision::newFromArchiveRow
 230          */
 231         public function testNewFromArchiveRow() {
 232                 $page = $this->createPage(
 233                         'RevisionStorageTest_testNewFromArchiveRow',
 234                         'Lorem Ipsum',
 235                         CONTENT_MODEL_WIKITEXT
 236                 );
 237                 $orig = $page->getRevision();
 238                 $page->doDeleteArticle( 'test Revision::newFromArchiveRow' );
 239
 240                 $dbr = wfGetDB( DB_REPLICA );
 241                 $res = $dbr->select(
 242                         'archive', Revision::selectArchiveFields(), [ 'ar_rev_id' => $orig->getId() ]
 243                 );
 244                 $this->assertTrue( is_object( $res ), 'query failed' );
 245
 246                 $row = $res->fetchObject();
 247                 $res->free();
 248
 249                 $rev = Revision::newFromArchiveRow( $row );
 250
 251                 $this->assertRevEquals( $orig, $rev );
 252         }
 253
 254         /**
 255          * @covers Revision::newFromId
 256          */
 257         public function testNewFromId() {
 258                 $orig = $this->testPage->getRevision();
 259                 $rev = Revision::newFromId( $orig->getId() );
 260                 $this->assertRevEquals( $orig, $rev );
 261         }
 262
 263         /**
 264          * @covers Revision::newFromPageId
 265          */
 266         public function testNewFromPageId() {
 267                 $rev = Revision::newFromPageId( $this->testPage->getId() );
 268                 $this->assertRevEquals(
 269                         $this->testPage->getRevision(),
 270                         $rev
 271                 );
 272         }
 273
 274         /**
 275          * @covers Revision::newFromPageId
 276          */
 277         public function testNewFromPageIdWithLatestId() {
 278                 $rev = Revision::newFromPageId(
 279                         $this->testPage->getId(),
 280                         $this->testPage->getLatest()
 281                 );
 282                 $this->assertRevEquals(
 283                         $this->testPage->getRevision(),
 284                         $rev
 285                 );
 286         }
 287
 288         /**
 289          * @covers Revision::newFromPageId
 290          */
 291         public function testNewFromPageIdWithNotLatestId() {
 292                 $this->testPage->doEditContent( new WikitextContent( __METHOD__ ), __METHOD__ );
 293                 $rev = Revision::newFromPageId(
 294                         $this->testPage->getId(),
 295                         $this->testPage->getRevision()->getPrevious()->getId()
 296                 );
 297                 $this->assertRevEquals(
 298                         $this->testPage->getRevision()->getPrevious(),
 299                         $rev
 300                 );
 301         }
 302
 303         /**
 304          * @covers Revision::fetchRevision
 305          */
 306         public function testFetchRevision() {
 307                 // Hidden process cache assertion below
 308                 $this->testPage->getRevision()->getId();
 309
 310                 $this->testPage->doEditContent( new WikitextContent( __METHOD__ ), __METHOD__ );
 311                 $id = $this->testPage->getRevision()->getId();
 312
 313                 $res = Revision::fetchRevision( $this->testPage->getTitle() );
 314
 315                 # note: order is unspecified
 316                 $rows = [];
 317                 while ( ( $row = $res->fetchObject() ) ) {
 318                         $rows[$row->rev_id] = $row;
 319                 }
 320
 321                 $this->assertEquals( 1, count( $rows ), 'expected exactly one revision' );
 322                 $this->assertArrayHasKey( $id, $rows, 'missing revision with id ' . $id );
 323         }
 324
 325         /**
 326          * @covers Revision::selectFields
 327          */
 328         public function testSelectFields() {
 329                 global $wgContentHandlerUseDB;
 330
 331                 $fields = Revision::selectFields();
 332
 333                 $this->assertTrue( in_array( 'rev_id', $fields ), 'missing rev_id in list of fields' );
 334                 $this->assertTrue( in_array( 'rev_page', $fields ), 'missing rev_page in list of fields' );
 335                 $this->assertTrue(
 336                         in_array( 'rev_timestamp', $fields ),
 337                         'missing rev_timestamp in list of fields'
 338                 );
 339                 $this->assertTrue( in_array( 'rev_user', $fields ), 'missing rev_user in list of fields' );
 340
 341                 if ( $wgContentHandlerUseDB ) {
 342                         $this->assertTrue( in_array( 'rev_content_model', $fields ),
 343                                 'missing rev_content_model in list of fields' );
 344                         $this->assertTrue( in_array( 'rev_content_format', $fields ),
 345                                 'missing rev_content_format in list of fields' );
 346                 }
 347         }
 348
 349         /**
 350          * @covers Revision::getPage
 351          */
 352         public function testGetPage() {
 353                 $page = $this->testPage;
 354
 355                 $orig = $this->makeRevisionWithProps( [ 'page' => $page->getId() ] );
 356                 $rev = Revision::newFromId( $orig->getId() );
 357
 358                 $this->assertEquals( $page->getId(), $rev->getPage() );
 359         }
 360
 361         /**
 362          * @covers Revision::isCurrent
 363          */
 364         public function testIsCurrent() {
 365                 $rev1 = $this->testPage->getRevision();
 366
 367                 # @todo find out if this should be true
 368                 # $this->assertTrue( $rev1->isCurrent() );
 369
 370                 $rev1x = Revision::newFromId( $rev1->getId() );
 371                 $this->assertTrue( $rev1x->isCurrent() );
 372
 373                 $this->testPage->doEditContent( new WikitextContent( __METHOD__ ), __METHOD__ );
 374                 $rev2 = $this->testPage->getRevision();
 375
 376                 # @todo find out if this should be true
 377                 # $this->assertTrue( $rev2->isCurrent() );
 378
 379                 $rev1x = Revision::newFromId( $rev1->getId() );
 380                 $this->assertFalse( $rev1x->isCurrent() );
 381
 382                 $rev2x = Revision::newFromId( $rev2->getId() );
 383                 $this->assertTrue( $rev2x->isCurrent() );
 384         }
 385
 386         /**
 387          * @covers Revision::getPrevious
 388          */
 389         public function testGetPrevious() {
 390                 $oldestRevision = $this->testPage->getOldestRevision();
 391                 $latestRevision = $this->testPage->getLatest();
 392
 393                 $this->assertNull( $oldestRevision->getPrevious() );
 394
 395                 $this->testPage->doEditContent( new WikitextContent( __METHOD__ ), __METHOD__ );
 396                 $newRevision = $this->testPage->getRevision();
 397
 398                 $this->assertNotNull( $newRevision->getPrevious() );
 399                 $this->assertEquals( $latestRevision, $newRevision->getPrevious()->getId() );
 400         }
 401
 402         /**
 403          * @covers Revision::getNext
 404          */
 405         public function testGetNext() {
 406                 $rev1 = $this->testPage->getRevision();
 407
 408                 $this->assertNull( $rev1->getNext() );
 409
 410                 $this->testPage->doEditContent( new WikitextContent( __METHOD__ ), __METHOD__ );
 411                 $rev2 = $this->testPage->getRevision();
 412
 413                 $this->assertNotNull( $rev1->getNext() );
 414                 $this->assertEquals( $rev2->getId(), $rev1->getNext()->getId() );
 415         }
 416
 417         /**
 418          * @covers Revision::newNullRevision
 419          */
 420         public function testNewNullRevision() {
 421                 $this->testPage->doEditContent( new WikitextContent( __METHOD__ ), __METHOD__ );
 422                 $orig = $this->testPage->getRevision();
 423
 424                 $dbw = wfGetDB( DB_MASTER );
 425                 $rev = Revision::newNullRevision( $dbw, $this->testPage->getId(), 'a null revision', false );
 426
 427                 $this->assertNotEquals( $orig->getId(), $rev->getId(),
 428                         'new null revision should have a different id from the original revision' );
 429                 $this->assertEquals( $orig->getTextId(), $rev->getTextId(),
 430                         'new null revision should have the same text id as the original revision' );
 431                 $this->assertEquals( __METHOD__, $rev->getContent()->getNativeData() );
 432         }
 433
 434         /**
 435          * @covers Revision::insertOn
 436          */
 437         public function testInsertOn() {
 438                 $ip = '2600:387:ed7:947e:8c16:a1ad:dd34:1dd7';
 439
 440                 $orig = $this->makeRevisionWithProps( [
 441                         'user_text' => $ip
 442                 ] );
 443
 444                 // Make sure the revision was copied to ip_changes
 445                 $dbr = wfGetDB( DB_REPLICA );
 446                 $res = $dbr->select( 'ip_changes', '*', [ 'ipc_rev_id' => $orig->getId() ] );
 447                 $row = $res->fetchObject();
 448
 449                 $this->assertEquals( IP::toHex( $ip ), $row->ipc_hex );
 450                 $this->assertEquals( $orig->getTimestamp(), $row->ipc_rev_timestamp );
 451         }
 452
 453         public static function provideUserWasLastToEdit() {
 454                 yield 'actually the last edit' => [ 3, true ];
 455                 yield 'not the current edit, but still by this user' => [ 2, true ];
 456                 yield 'edit by another user' => [ 1, false ];
 457                 yield 'first edit, by this user, but another user edited in the mean time' => [ 0, false ];
 458         }
 459
 460         /**
 461          * @dataProvider provideUserWasLastToEdit
 462          */
 463         public function testUserWasLastToEdit( $sinceIdx, $expectedLast ) {
 464                 $userA = User::newFromName( "RevisionStorageTest_userA" );
 465                 $userB = User::newFromName( "RevisionStorageTest_userB" );
 466
 467                 if ( $userA->getId() === 0 ) {
 468                         $userA = User::createNew( $userA->getName() );
 469                 }
 470
 471                 if ( $userB->getId() === 0 ) {
 472                         $userB = User::createNew( $userB->getName() );
 473                 }
 474
 475                 $ns = $this->getDefaultWikitextNS();
 476
 477                 $dbw = wfGetDB( DB_MASTER );
 478                 $revisions = [];
 479
 480                 // create revisions -----------------------------
 481                 $page = WikiPage::factory( Title::newFromText(
 482                         'RevisionStorageTest_testUserWasLastToEdit', $ns ) );
 483                 $page->insertOn( $dbw );
 484
 485                 $revisions[0] = new Revision( [
 486                         'page' => $page->getId(),
 487                         // we need the title to determine the page's default content model
 488                         'title' => $page->getTitle(),
 489                         'timestamp' => '20120101000000',
 490                         'user' => $userA->getId(),
 491                         'text' => 'zero',
 492                         'content_model' => CONTENT_MODEL_WIKITEXT,
 493                         'summary' => 'edit zero'
 494                 ] );
 495                 $revisions[0]->insertOn( $dbw );
 496
 497                 $revisions[1] = new Revision( [
 498                         'page' => $page->getId(),
 499                         // still need the title, because $page->getId() is 0 (there's no entry in the page table)
 500                         'title' => $page->getTitle(),
 501                         'timestamp' => '20120101000100',
 502                         'user' => $userA->getId(),
 503                         'text' => 'one',
 504                         'content_model' => CONTENT_MODEL_WIKITEXT,
 505                         'summary' => 'edit one'
 506                 ] );
 507                 $revisions[1]->insertOn( $dbw );
 508
 509                 $revisions[2] = new Revision( [
 510                         'page' => $page->getId(),
 511                         'title' => $page->getTitle(),
 512                         'timestamp' => '20120101000200',
 513                         'user' => $userB->getId(),
 514                         'text' => 'two',
 515                         'content_model' => CONTENT_MODEL_WIKITEXT,
 516                         'summary' => 'edit two'
 517                 ] );
 518                 $revisions[2]->insertOn( $dbw );
 519
 520                 $revisions[3] = new Revision( [
 521                         'page' => $page->getId(),
 522                         'title' => $page->getTitle(),
 523                         'timestamp' => '20120101000300',
 524                         'user' => $userA->getId(),
 525                         'text' => 'three',
 526                         'content_model' => CONTENT_MODEL_WIKITEXT,
 527                         'summary' => 'edit three'
 528                 ] );
 529                 $revisions[3]->insertOn( $dbw );
 530
 531                 $revisions[4] = new Revision( [
 532                         'page' => $page->getId(),
 533                         'title' => $page->getTitle(),
 534                         'timestamp' => '20120101000200',
 535                         'user' => $userA->getId(),
 536                         'text' => 'zero',
 537                         'content_model' => CONTENT_MODEL_WIKITEXT,
 538                         'summary' => 'edit four'
 539                 ] );
 540                 $revisions[4]->insertOn( $dbw );
 541
 542                 // test it ---------------------------------
 543                 $since = $revisions[$sinceIdx]->getTimestamp();
 544
 545                 $wasLast = Revision::userWasLastToEdit( $dbw, $page->getId(), $userA->getId(), $since );
 546
 547                 $this->assertEquals( $expectedLast, $wasLast );
 548         }
 549
 550         /**
 551          * @param string $text
 552          * @param string $title
 553          * @param string $model
 554          * @param string $format
 555          *
 556          * @return Revision
 557          */
 558         private function newTestRevision( $text, $title = "Test",
 559                 $model = CONTENT_MODEL_WIKITEXT, $format = null
 560         ) {
 561                 if ( is_string( $title ) ) {
 562                         $title = Title::newFromText( $title );
 563                 }
 564
 565                 $content = ContentHandler::makeContent( $text, $title, $model, $format );
 566
 567                 $rev = new Revision(
 568                         [
 569                                 'id' => 42,
 570                                 'page' => 23,
 571                                 'title' => $title,
 572
 573                                 'content' => $content,
 574                                 'length' => $content->getSize(),
 575                                 'comment' => "testing",
 576                                 'minor_edit' => false,
 577
 578                                 'content_format' => $format,
 579                         ]
 580                 );
 581
 582                 return $rev;
 583         }
 584
 585         public function provideGetContentModel() {
 586                 // NOTE: we expect the help namespace to always contain wikitext
 587                 return [
 588                         [ 'hello world', 'Help:Hello', null, null, CONTENT_MODEL_WIKITEXT ],
 589                         [ 'hello world', 'User:hello/there.css', null, null, CONTENT_MODEL_CSS ],
 590                         [ serialize( 'hello world' ), 'Dummy:Hello', null, null, DummyContentForTesting::MODEL_ID ],
 591                 ];
 592         }
 593
 594         /**
 595          * @dataProvider provideGetContentModel
 596          * @covers Revision::getContentModel
 597          */
 598         public function testGetContentModel( $text, $title, $model, $format, $expectedModel ) {
 599                 $rev = $this->newTestRevision( $text, $title, $model, $format );
 600
 601                 $this->assertEquals( $expectedModel, $rev->getContentModel() );
 602         }
 603
 604         public function provideGetContentFormat() {
 605                 // NOTE: we expect the help namespace to always contain wikitext
 606                 return [
 607                         [ 'hello world', 'Help:Hello', null, null, CONTENT_FORMAT_WIKITEXT ],
 608                         [ 'hello world', 'Help:Hello', CONTENT_MODEL_CSS, null, CONTENT_FORMAT_CSS ],
 609                         [ 'hello world', 'User:hello/there.css', null, null, CONTENT_FORMAT_CSS ],
 610                         [ serialize( 'hello world' ), 'Dummy:Hello', null, null, DummyContentForTesting::MODEL_ID ],
 611                 ];
 612         }
 613
 614         /**
 615          * @dataProvider provideGetContentFormat
 616          * @covers Revision::getContentFormat
 617          */
 618         public function testGetContentFormat( $text, $title, $model, $format, $expectedFormat ) {
 619                 $rev = $this->newTestRevision( $text, $title, $model, $format );
 620
 621                 $this->assertEquals( $expectedFormat, $rev->getContentFormat() );
 622         }
 623
 624         public function provideGetContentHandler() {
 625                 // NOTE: we expect the help namespace to always contain wikitext
 626                 return [
 627                         [ 'hello world', 'Help:Hello', null, null, 'WikitextContentHandler' ],
 628                         [ 'hello world', 'User:hello/there.css', null, null, 'CssContentHandler' ],
 629                         [ serialize( 'hello world' ), 'Dummy:Hello', null, null, 'DummyContentHandlerForTesting' ],
 630                 ];
 631         }
 632
 633         /**
 634          * @dataProvider provideGetContentHandler
 635          * @covers Revision::getContentHandler
 636          */
 637         public function testGetContentHandler( $text, $title, $model, $format, $expectedClass ) {
 638                 $rev = $this->newTestRevision( $text, $title, $model, $format );
 639
 640                 $this->assertEquals( $expectedClass, get_class( $rev->getContentHandler() ) );
 641         }
 642
 643         public function provideGetContent() {
 644                 // NOTE: we expect the help namespace to always contain wikitext
 645                 return [
 646                         [ 'hello world', 'Help:Hello', null, null, Revision::FOR_PUBLIC, 'hello world' ],
 647                         [
 648                                 serialize( 'hello world' ),
 649                                 'Hello',
 650                                 DummyContentForTesting::MODEL_ID,
 651                                 null,
 652                                 Revision::FOR_PUBLIC,
 653                                 serialize( 'hello world' )
 654                         ],
 655                         [
 656                                 serialize( 'hello world' ),
 657                                 'Dummy:Hello',
 658                                 null,
 659                                 null,
 660                                 Revision::FOR_PUBLIC,
 661                                 serialize( 'hello world' )
 662                         ],
 663                 ];
 664         }
 665
 666         /**
 667          * @dataProvider provideGetContent
 668          * @covers Revision::getContent
 669          */
 670         public function testGetContent( $text, $title, $model, $format,
 671                 $audience, $expectedSerialization
 672         ) {
 673                 $rev = $this->newTestRevision( $text, $title, $model, $format );
 674                 $content = $rev->getContent( $audience );
 675
 676                 $this->assertEquals(
 677                         $expectedSerialization,
 678                         is_null( $content ) ? null : $content->serialize( $format )
 679                 );
 680         }
 681
 682         /**
 683          * @covers Revision::getContent
 684          */
 685         public function testGetContent_failure() {
 686                 $rev = new Revision( [
 687                         'page' => $this->testPage->getId(),
 688                         'content_model' => $this->testPage->getContentModel(),
 689                         'text_id' => 123456789, // not in the test DB
 690                 ] );
 691
 692                 $this->assertNull( $rev->getContent(),
 693                         "getContent() should return null if the revision's text blob could not be loaded." );
 694
 695                 // NOTE: check this twice, once for lazy initialization, and once with the cached value.
 696                 $this->assertNull( $rev->getContent(),
 697                         "getContent() should return null if the revision's text blob could not be loaded." );
 698         }
 699
 700         public function provideGetSize() {
 701                 return [
 702                         [ "hello world.", CONTENT_MODEL_WIKITEXT, 12 ],
 703                         [ serialize( "hello world." ), DummyContentForTesting::MODEL_ID, 12 ],
 704                 ];
 705         }
 706
 707         /**
 708          * @covers Revision::getSize
 709          * @dataProvider provideGetSize
 710          */
 711         public function testGetSize( $text, $model, $expected_size ) {
 712                 $rev = $this->newTestRevision( $text, 'RevisionTest_testGetSize', $model );
 713                 $this->assertEquals( $expected_size, $rev->getSize() );
 714         }
 715
 716         public function provideGetSha1() {
 717                 return [
 718                         [ "hello world.", CONTENT_MODEL_WIKITEXT, Revision::base36Sha1( "hello world." ) ],
 719                         [
 720                                 serialize( "hello world." ),
 721                                 DummyContentForTesting::MODEL_ID,
 722                                 Revision::base36Sha1( serialize( "hello world." ) )
 723                         ],
 724                 ];
 725         }
 726
 727         /**
 728          * @covers Revision::getSha1
 729          * @dataProvider provideGetSha1
 730          */
 731         public function testGetSha1( $text, $model, $expected_hash ) {
 732                 $rev = $this->newTestRevision( $text, 'RevisionTest_testGetSha1', $model );
 733                 $this->assertEquals( $expected_hash, $rev->getSha1() );
 734         }
 735
 736         /**
 737          * Tests whether $rev->getContent() returns a clone when needed.
 738          *
 739          * @covers Revision::getContent
 740          */
 741         public function testGetContentClone() {
 742                 $content = new RevisionTestModifyableContent( "foo" );
 743
 744                 $rev = new Revision(
 745                         [
 746                                 'id' => 42,
 747                                 'page' => 23,
 748                                 'title' => Title::newFromText( "testGetContentClone_dummy" ),
 749
 750                                 'content' => $content,
 751                                 'length' => $content->getSize(),
 752                                 'comment' => "testing",
 753                                 'minor_edit' => false,
 754                         ]
 755                 );
 756
 757                 /** @var RevisionTestModifyableContent $content */
 758                 $content = $rev->getContent( Revision::RAW );
 759                 $content->setText( "bar" );
 760
 761                 /** @var RevisionTestModifyableContent $content2 */
 762                 $content2 = $rev->getContent( Revision::RAW );
 763                 // content is mutable, expect clone
 764                 $this->assertNotSame( $content, $content2, "expected a clone" );
 765                 // clone should contain the original text
 766                 $this->assertEquals( "foo", $content2->getText() );
 767
 768                 $content2->setText( "bla bla" );
 769                 // clones should be independent
 770                 $this->assertEquals( "bar", $content->getText() );
 771         }
 772
 773         /**
 774          * Tests whether $rev->getContent() returns the same object repeatedly if appropriate.
 775          * @covers Revision::getContent
 776          */
 777         public function testGetContentUncloned() {
 778                 $rev = $this->newTestRevision( "hello", "testGetContentUncloned_dummy", CONTENT_MODEL_WIKITEXT );
 779                 $content = $rev->getContent( Revision::RAW );
 780                 $content2 = $rev->getContent( Revision::RAW );
 781
 782                 // for immutable content like wikitext, this should be the same object
 783                 $this->assertSame( $content, $content2 );
 784         }
 785
 786 }