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         public function provideTrueFalse() {
 229                 yield [ true ];
 230                 yield [ false ];
 231         }
 232
 233         /**
 234          * @dataProvider provideTrueFalse
 235          * @covers Revision::newFromArchiveRow
 236          */
 237         public function testNewFromArchiveRow( $contentHandlerUseDB ) {
 238                 $this->setMwGlobals( 'wgContentHandlerUseDB', $contentHandlerUseDB );
 239
 240                 $page = $this->createPage(
 241                         'RevisionStorageTest_testNewFromArchiveRow',
 242                         'Lorem Ipsum',
 243                         CONTENT_MODEL_WIKITEXT
 244                 );
 245                 $orig = $page->getRevision();
 246                 $page->doDeleteArticle( 'test Revision::newFromArchiveRow' );
 247
 248                 $dbr = wfGetDB( DB_REPLICA );
 249                 $res = $dbr->select(
 250                         'archive', Revision::selectArchiveFields(), [ 'ar_rev_id' => $orig->getId() ]
 251                 );
 252                 $this->assertTrue( is_object( $res ), 'query failed' );
 253
 254                 $row = $res->fetchObject();
 255                 $res->free();
 256
 257                 $rev = Revision::newFromArchiveRow( $row );
 258
 259                 $this->assertRevEquals( $orig, $rev );
 260         }
 261
 262         /**
 263          * @covers Revision::newFromId
 264          */
 265         public function testNewFromId() {
 266                 $orig = $this->testPage->getRevision();
 267                 $rev = Revision::newFromId( $orig->getId() );
 268                 $this->assertRevEquals( $orig, $rev );
 269         }
 270
 271         /**
 272          * @covers Revision::newFromPageId
 273          */
 274         public function testNewFromPageId() {
 275                 $rev = Revision::newFromPageId( $this->testPage->getId() );
 276                 $this->assertRevEquals(
 277                         $this->testPage->getRevision(),
 278                         $rev
 279                 );
 280         }
 281
 282         /**
 283          * @covers Revision::newFromPageId
 284          */
 285         public function testNewFromPageIdWithLatestId() {
 286                 $rev = Revision::newFromPageId(
 287                         $this->testPage->getId(),
 288                         $this->testPage->getLatest()
 289                 );
 290                 $this->assertRevEquals(
 291                         $this->testPage->getRevision(),
 292                         $rev
 293                 );
 294         }
 295
 296         /**
 297          * @covers Revision::newFromPageId
 298          */
 299         public function testNewFromPageIdWithNotLatestId() {
 300                 $this->testPage->doEditContent( new WikitextContent( __METHOD__ ), __METHOD__ );
 301                 $rev = Revision::newFromPageId(
 302                         $this->testPage->getId(),
 303                         $this->testPage->getRevision()->getPrevious()->getId()
 304                 );
 305                 $this->assertRevEquals(
 306                         $this->testPage->getRevision()->getPrevious(),
 307                         $rev
 308                 );
 309         }
 310
 311         /**
 312          * @covers Revision::fetchRevision
 313          */
 314         public function testFetchRevision() {
 315                 // Hidden process cache assertion below
 316                 $this->testPage->getRevision()->getId();
 317
 318                 $this->testPage->doEditContent( new WikitextContent( __METHOD__ ), __METHOD__ );
 319                 $id = $this->testPage->getRevision()->getId();
 320
 321                 $res = Revision::fetchRevision( $this->testPage->getTitle() );
 322
 323                 # note: order is unspecified
 324                 $rows = [];
 325                 while ( ( $row = $res->fetchObject() ) ) {
 326                         $rows[$row->rev_id] = $row;
 327                 }
 328
 329                 $this->assertEquals( 1, count( $rows ), 'expected exactly one revision' );
 330                 $this->assertArrayHasKey( $id, $rows, 'missing revision with id ' . $id );
 331         }
 332
 333         /**
 334          * @covers Revision::selectFields
 335          */
 336         public function testSelectFields() {
 337                 global $wgContentHandlerUseDB;
 338
 339                 $fields = Revision::selectFields();
 340
 341                 $this->assertTrue( in_array( 'rev_id', $fields ), 'missing rev_id in list of fields' );
 342                 $this->assertTrue( in_array( 'rev_page', $fields ), 'missing rev_page in list of fields' );
 343                 $this->assertTrue(
 344                         in_array( 'rev_timestamp', $fields ),
 345                         'missing rev_timestamp in list of fields'
 346                 );
 347                 $this->assertTrue( in_array( 'rev_user', $fields ), 'missing rev_user in list of fields' );
 348
 349                 if ( $wgContentHandlerUseDB ) {
 350                         $this->assertTrue( in_array( 'rev_content_model', $fields ),
 351                                 'missing rev_content_model in list of fields' );
 352                         $this->assertTrue( in_array( 'rev_content_format', $fields ),
 353                                 'missing rev_content_format in list of fields' );
 354                 }
 355         }
 356
 357         /**
 358          * @covers Revision::getPage
 359          */
 360         public function testGetPage() {
 361                 $page = $this->testPage;
 362
 363                 $orig = $this->makeRevisionWithProps( [ 'page' => $page->getId() ] );
 364                 $rev = Revision::newFromId( $orig->getId() );
 365
 366                 $this->assertEquals( $page->getId(), $rev->getPage() );
 367         }
 368
 369         /**
 370          * @covers Revision::isCurrent
 371          */
 372         public function testIsCurrent() {
 373                 $rev1 = $this->testPage->getRevision();
 374
 375                 # @todo find out if this should be true
 376                 # $this->assertTrue( $rev1->isCurrent() );
 377
 378                 $rev1x = Revision::newFromId( $rev1->getId() );
 379                 $this->assertTrue( $rev1x->isCurrent() );
 380
 381                 $this->testPage->doEditContent( new WikitextContent( __METHOD__ ), __METHOD__ );
 382                 $rev2 = $this->testPage->getRevision();
 383
 384                 # @todo find out if this should be true
 385                 # $this->assertTrue( $rev2->isCurrent() );
 386
 387                 $rev1x = Revision::newFromId( $rev1->getId() );
 388                 $this->assertFalse( $rev1x->isCurrent() );
 389
 390                 $rev2x = Revision::newFromId( $rev2->getId() );
 391                 $this->assertTrue( $rev2x->isCurrent() );
 392         }
 393
 394         /**
 395          * @covers Revision::getPrevious
 396          */
 397         public function testGetPrevious() {
 398                 $oldestRevision = $this->testPage->getOldestRevision();
 399                 $latestRevision = $this->testPage->getLatest();
 400
 401                 $this->assertNull( $oldestRevision->getPrevious() );
 402
 403                 $this->testPage->doEditContent( new WikitextContent( __METHOD__ ), __METHOD__ );
 404                 $newRevision = $this->testPage->getRevision();
 405
 406                 $this->assertNotNull( $newRevision->getPrevious() );
 407                 $this->assertEquals( $latestRevision, $newRevision->getPrevious()->getId() );
 408         }
 409
 410         /**
 411          * @covers Revision::getNext
 412          */
 413         public function testGetNext() {
 414                 $rev1 = $this->testPage->getRevision();
 415
 416                 $this->assertNull( $rev1->getNext() );
 417
 418                 $this->testPage->doEditContent( new WikitextContent( __METHOD__ ), __METHOD__ );
 419                 $rev2 = $this->testPage->getRevision();
 420
 421                 $this->assertNotNull( $rev1->getNext() );
 422                 $this->assertEquals( $rev2->getId(), $rev1->getNext()->getId() );
 423         }
 424
 425         /**
 426          * @covers Revision::newNullRevision
 427          */
 428         public function testNewNullRevision() {
 429                 $this->testPage->doEditContent( new WikitextContent( __METHOD__ ), __METHOD__ );
 430                 $orig = $this->testPage->getRevision();
 431
 432                 $dbw = wfGetDB( DB_MASTER );
 433                 $rev = Revision::newNullRevision( $dbw, $this->testPage->getId(), 'a null revision', false );
 434
 435                 $this->assertNotEquals( $orig->getId(), $rev->getId(),
 436                         'new null revision should have a different id from the original revision' );
 437                 $this->assertEquals( $orig->getTextId(), $rev->getTextId(),
 438                         'new null revision should have the same text id as the original revision' );
 439                 $this->assertEquals( __METHOD__, $rev->getContent()->getNativeData() );
 440         }
 441
 442         /**
 443          * @covers Revision::insertOn
 444          */
 445         public function testInsertOn() {
 446                 $ip = '2600:387:ed7:947e:8c16:a1ad:dd34:1dd7';
 447
 448                 $orig = $this->makeRevisionWithProps( [
 449                         'user_text' => $ip
 450                 ] );
 451
 452                 // Make sure the revision was copied to ip_changes
 453                 $dbr = wfGetDB( DB_REPLICA );
 454                 $res = $dbr->select( 'ip_changes', '*', [ 'ipc_rev_id' => $orig->getId() ] );
 455                 $row = $res->fetchObject();
 456
 457                 $this->assertEquals( IP::toHex( $ip ), $row->ipc_hex );
 458                 $this->assertEquals( $orig->getTimestamp(), $row->ipc_rev_timestamp );
 459         }
 460
 461         public static function provideUserWasLastToEdit() {
 462                 yield 'actually the last edit' => [ 3, true ];
 463                 yield 'not the current edit, but still by this user' => [ 2, true ];
 464                 yield 'edit by another user' => [ 1, false ];
 465                 yield 'first edit, by this user, but another user edited in the mean time' => [ 0, false ];
 466         }
 467
 468         /**
 469          * @dataProvider provideUserWasLastToEdit
 470          */
 471         public function testUserWasLastToEdit( $sinceIdx, $expectedLast ) {
 472                 $userA = User::newFromName( "RevisionStorageTest_userA" );
 473                 $userB = User::newFromName( "RevisionStorageTest_userB" );
 474
 475                 if ( $userA->getId() === 0 ) {
 476                         $userA = User::createNew( $userA->getName() );
 477                 }
 478
 479                 if ( $userB->getId() === 0 ) {
 480                         $userB = User::createNew( $userB->getName() );
 481                 }
 482
 483                 $ns = $this->getDefaultWikitextNS();
 484
 485                 $dbw = wfGetDB( DB_MASTER );
 486                 $revisions = [];
 487
 488                 // create revisions -----------------------------
 489                 $page = WikiPage::factory( Title::newFromText(
 490                         'RevisionStorageTest_testUserWasLastToEdit', $ns ) );
 491                 $page->insertOn( $dbw );
 492
 493                 $revisions[0] = new Revision( [
 494                         'page' => $page->getId(),
 495                         // we need the title to determine the page's default content model
 496                         'title' => $page->getTitle(),
 497                         'timestamp' => '20120101000000',
 498                         'user' => $userA->getId(),
 499                         'text' => 'zero',
 500                         'content_model' => CONTENT_MODEL_WIKITEXT,
 501                         'summary' => 'edit zero'
 502                 ] );
 503                 $revisions[0]->insertOn( $dbw );
 504
 505                 $revisions[1] = new Revision( [
 506                         'page' => $page->getId(),
 507                         // still need the title, because $page->getId() is 0 (there's no entry in the page table)
 508                         'title' => $page->getTitle(),
 509                         'timestamp' => '20120101000100',
 510                         'user' => $userA->getId(),
 511                         'text' => 'one',
 512                         'content_model' => CONTENT_MODEL_WIKITEXT,
 513                         'summary' => 'edit one'
 514                 ] );
 515                 $revisions[1]->insertOn( $dbw );
 516
 517                 $revisions[2] = new Revision( [
 518                         'page' => $page->getId(),
 519                         'title' => $page->getTitle(),
 520                         'timestamp' => '20120101000200',
 521                         'user' => $userB->getId(),
 522                         'text' => 'two',
 523                         'content_model' => CONTENT_MODEL_WIKITEXT,
 524                         'summary' => 'edit two'
 525                 ] );
 526                 $revisions[2]->insertOn( $dbw );
 527
 528                 $revisions[3] = new Revision( [
 529                         'page' => $page->getId(),
 530                         'title' => $page->getTitle(),
 531                         'timestamp' => '20120101000300',
 532                         'user' => $userA->getId(),
 533                         'text' => 'three',
 534                         'content_model' => CONTENT_MODEL_WIKITEXT,
 535                         'summary' => 'edit three'
 536                 ] );
 537                 $revisions[3]->insertOn( $dbw );
 538
 539                 $revisions[4] = new Revision( [
 540                         'page' => $page->getId(),
 541                         'title' => $page->getTitle(),
 542                         'timestamp' => '20120101000200',
 543                         'user' => $userA->getId(),
 544                         'text' => 'zero',
 545                         'content_model' => CONTENT_MODEL_WIKITEXT,
 546                         'summary' => 'edit four'
 547                 ] );
 548                 $revisions[4]->insertOn( $dbw );
 549
 550                 // test it ---------------------------------
 551                 $since = $revisions[$sinceIdx]->getTimestamp();
 552
 553                 $wasLast = Revision::userWasLastToEdit( $dbw, $page->getId(), $userA->getId(), $since );
 554
 555                 $this->assertEquals( $expectedLast, $wasLast );
 556         }
 557
 558         /**
 559          * @param string $text
 560          * @param string $title
 561          * @param string $model
 562          * @param string $format
 563          *
 564          * @return Revision
 565          */
 566         private function newTestRevision( $text, $title = "Test",
 567                 $model = CONTENT_MODEL_WIKITEXT, $format = null
 568         ) {
 569                 if ( is_string( $title ) ) {
 570                         $title = Title::newFromText( $title );
 571                 }
 572
 573                 $content = ContentHandler::makeContent( $text, $title, $model, $format );
 574
 575                 $rev = new Revision(
 576                         [
 577                                 'id' => 42,
 578                                 'page' => 23,
 579                                 'title' => $title,
 580
 581                                 'content' => $content,
 582                                 'length' => $content->getSize(),
 583                                 'comment' => "testing",
 584                                 'minor_edit' => false,
 585
 586                                 'content_format' => $format,
 587                         ]
 588                 );
 589
 590                 return $rev;
 591         }
 592
 593         public function provideGetContentModel() {
 594                 // NOTE: we expect the help namespace to always contain wikitext
 595                 return [
 596                         [ 'hello world', 'Help:Hello', null, null, CONTENT_MODEL_WIKITEXT ],
 597                         [ 'hello world', 'User:hello/there.css', null, null, CONTENT_MODEL_CSS ],
 598                         [ serialize( 'hello world' ), 'Dummy:Hello', null, null, DummyContentForTesting::MODEL_ID ],
 599                 ];
 600         }
 601
 602         /**
 603          * @dataProvider provideGetContentModel
 604          * @covers Revision::getContentModel
 605          */
 606         public function testGetContentModel( $text, $title, $model, $format, $expectedModel ) {
 607                 $rev = $this->newTestRevision( $text, $title, $model, $format );
 608
 609                 $this->assertEquals( $expectedModel, $rev->getContentModel() );
 610         }
 611
 612         public function provideGetContentFormat() {
 613                 // NOTE: we expect the help namespace to always contain wikitext
 614                 return [
 615                         [ 'hello world', 'Help:Hello', null, null, CONTENT_FORMAT_WIKITEXT ],
 616                         [ 'hello world', 'Help:Hello', CONTENT_MODEL_CSS, null, CONTENT_FORMAT_CSS ],
 617                         [ 'hello world', 'User:hello/there.css', null, null, CONTENT_FORMAT_CSS ],
 618                         [ serialize( 'hello world' ), 'Dummy:Hello', null, null, DummyContentForTesting::MODEL_ID ],
 619                 ];
 620         }
 621
 622         /**
 623          * @dataProvider provideGetContentFormat
 624          * @covers Revision::getContentFormat
 625          */
 626         public function testGetContentFormat( $text, $title, $model, $format, $expectedFormat ) {
 627                 $rev = $this->newTestRevision( $text, $title, $model, $format );
 628
 629                 $this->assertEquals( $expectedFormat, $rev->getContentFormat() );
 630         }
 631
 632         public function provideGetContentHandler() {
 633                 // NOTE: we expect the help namespace to always contain wikitext
 634                 return [
 635                         [ 'hello world', 'Help:Hello', null, null, 'WikitextContentHandler' ],
 636                         [ 'hello world', 'User:hello/there.css', null, null, 'CssContentHandler' ],
 637                         [ serialize( 'hello world' ), 'Dummy:Hello', null, null, 'DummyContentHandlerForTesting' ],
 638                 ];
 639         }
 640
 641         /**
 642          * @dataProvider provideGetContentHandler
 643          * @covers Revision::getContentHandler
 644          */
 645         public function testGetContentHandler( $text, $title, $model, $format, $expectedClass ) {
 646                 $rev = $this->newTestRevision( $text, $title, $model, $format );
 647
 648                 $this->assertEquals( $expectedClass, get_class( $rev->getContentHandler() ) );
 649         }
 650
 651         public function provideGetContent() {
 652                 // NOTE: we expect the help namespace to always contain wikitext
 653                 return [
 654                         [ 'hello world', 'Help:Hello', null, null, Revision::FOR_PUBLIC, 'hello world' ],
 655                         [
 656                                 serialize( 'hello world' ),
 657                                 'Hello',
 658                                 DummyContentForTesting::MODEL_ID,
 659                                 null,
 660                                 Revision::FOR_PUBLIC,
 661                                 serialize( 'hello world' )
 662                         ],
 663                         [
 664                                 serialize( 'hello world' ),
 665                                 'Dummy:Hello',
 666                                 null,
 667                                 null,
 668                                 Revision::FOR_PUBLIC,
 669                                 serialize( 'hello world' )
 670                         ],
 671                 ];
 672         }
 673
 674         /**
 675          * @dataProvider provideGetContent
 676          * @covers Revision::getContent
 677          */
 678         public function testGetContent( $text, $title, $model, $format,
 679                 $audience, $expectedSerialization
 680         ) {
 681                 $rev = $this->newTestRevision( $text, $title, $model, $format );
 682                 $content = $rev->getContent( $audience );
 683
 684                 $this->assertEquals(
 685                         $expectedSerialization,
 686                         is_null( $content ) ? null : $content->serialize( $format )
 687                 );
 688         }
 689
 690         /**
 691          * @covers Revision::getContent
 692          */
 693         public function testGetContent_failure() {
 694                 $rev = new Revision( [
 695                         'page' => $this->testPage->getId(),
 696                         'content_model' => $this->testPage->getContentModel(),
 697                         'text_id' => 123456789, // not in the test DB
 698                 ] );
 699
 700                 $this->assertNull( $rev->getContent(),
 701                         "getContent() should return null if the revision's text blob could not be loaded." );
 702
 703                 // NOTE: check this twice, once for lazy initialization, and once with the cached value.
 704                 $this->assertNull( $rev->getContent(),
 705                         "getContent() should return null if the revision's text blob could not be loaded." );
 706         }
 707
 708         public function provideGetSize() {
 709                 return [
 710                         [ "hello world.", CONTENT_MODEL_WIKITEXT, 12 ],
 711                         [ serialize( "hello world." ), DummyContentForTesting::MODEL_ID, 12 ],
 712                 ];
 713         }
 714
 715         /**
 716          * @covers Revision::getSize
 717          * @dataProvider provideGetSize
 718          */
 719         public function testGetSize( $text, $model, $expected_size ) {
 720                 $rev = $this->newTestRevision( $text, 'RevisionTest_testGetSize', $model );
 721                 $this->assertEquals( $expected_size, $rev->getSize() );
 722         }
 723
 724         public function provideGetSha1() {
 725                 return [
 726                         [ "hello world.", CONTENT_MODEL_WIKITEXT, Revision::base36Sha1( "hello world." ) ],
 727                         [
 728                                 serialize( "hello world." ),
 729                                 DummyContentForTesting::MODEL_ID,
 730                                 Revision::base36Sha1( serialize( "hello world." ) )
 731                         ],
 732                 ];
 733         }
 734
 735         /**
 736          * @covers Revision::getSha1
 737          * @dataProvider provideGetSha1
 738          */
 739         public function testGetSha1( $text, $model, $expected_hash ) {
 740                 $rev = $this->newTestRevision( $text, 'RevisionTest_testGetSha1', $model );
 741                 $this->assertEquals( $expected_hash, $rev->getSha1() );
 742         }
 743
 744         /**
 745          * Tests whether $rev->getContent() returns a clone when needed.
 746          *
 747          * @covers Revision::getContent
 748          */
 749         public function testGetContentClone() {
 750                 $content = new RevisionTestModifyableContent( "foo" );
 751
 752                 $rev = new Revision(
 753                         [
 754                                 'id' => 42,
 755                                 'page' => 23,
 756                                 'title' => Title::newFromText( "testGetContentClone_dummy" ),
 757
 758                                 'content' => $content,
 759                                 'length' => $content->getSize(),
 760                                 'comment' => "testing",
 761                                 'minor_edit' => false,
 762                         ]
 763                 );
 764
 765                 /** @var RevisionTestModifyableContent $content */
 766                 $content = $rev->getContent( Revision::RAW );
 767                 $content->setText( "bar" );
 768
 769                 /** @var RevisionTestModifyableContent $content2 */
 770                 $content2 = $rev->getContent( Revision::RAW );
 771                 // content is mutable, expect clone
 772                 $this->assertNotSame( $content, $content2, "expected a clone" );
 773                 // clone should contain the original text
 774                 $this->assertEquals( "foo", $content2->getText() );
 775
 776                 $content2->setText( "bla bla" );
 777                 // clones should be independent
 778                 $this->assertEquals( "bar", $content->getText() );
 779         }
 780
 781         /**
 782          * Tests whether $rev->getContent() returns the same object repeatedly if appropriate.
 783          * @covers Revision::getContent
 784          */
 785         public function testGetContentUncloned() {
 786                 $rev = $this->newTestRevision( "hello", "testGetContentUncloned_dummy", CONTENT_MODEL_WIKITEXT );
 787                 $content = $rev->getContent( Revision::RAW );
 788                 $content2 = $rev->getContent( Revision::RAW );
 789
 790                 // for immutable content like wikitext, this should be the same object
 791                 $this->assertSame( $content, $content2 );
 792         }
 793
 794         /**
 795          * @covers Revision::loadFromId
 796          */
 797         public function testLoadFromId() {
 798                 $rev = $this->testPage->getRevision();
 799                 $this->assertRevEquals(
 800                         $rev,
 801                         Revision::loadFromId( wfGetDB( DB_MASTER ), $rev->getId() )
 802                 );
 803         }
 804
 805         /**
 806          * @covers Revision::loadFromPageId
 807          */
 808         public function testLoadFromPageId() {
 809                 $this->assertRevEquals(
 810                         $this->testPage->getRevision(),
 811                         Revision::loadFromPageId( wfGetDB( DB_MASTER ), $this->testPage->getId() )
 812                 );
 813         }
 814
 815         /**
 816          * @covers Revision::loadFromPageId
 817          */
 818         public function testLoadFromPageIdWithLatestRevId() {
 819                 $this->assertRevEquals(
 820                         $this->testPage->getRevision(),
 821                         Revision::loadFromPageId(
 822                                 wfGetDB( DB_MASTER ),
 823                                 $this->testPage->getId(),
 824                                 $this->testPage->getLatest()
 825                         )
 826                 );
 827         }
 828
 829         /**
 830          * @covers Revision::loadFromPageId
 831          */
 832         public function testLoadFromPageIdWithNotLatestRevId() {
 833                 $this->testPage->doEditContent( new WikitextContent( __METHOD__ ), __METHOD__ );
 834                 $this->assertRevEquals(
 835                         $this->testPage->getRevision()->getPrevious(),
 836                         Revision::loadFromPageId(
 837                                 wfGetDB( DB_MASTER ),
 838                                 $this->testPage->getId(),
 839                                 $this->testPage->getRevision()->getPrevious()->getId()
 840                         )
 841                 );
 842         }
 843
 844         /**
 845          * @covers Revision::loadFromTitle
 846          */
 847         public function testLoadFromTitle() {
 848                 $this->assertRevEquals(
 849                         $this->testPage->getRevision(),
 850                         Revision::loadFromTitle( wfGetDB( DB_MASTER ), $this->testPage->getTitle() )
 851                 );
 852         }
 853
 854         /**
 855          * @covers Revision::loadFromTitle
 856          */
 857         public function testLoadFromTitleWithLatestRevId() {
 858                 $this->assertRevEquals(
 859                         $this->testPage->getRevision(),
 860                         Revision::loadFromTitle(
 861                                 wfGetDB( DB_MASTER ),
 862                                 $this->testPage->getTitle(),
 863                                 $this->testPage->getLatest()
 864                         )
 865                 );
 866         }
 867
 868         /**
 869          * @covers Revision::loadFromTitle
 870          */
 871         public function testLoadFromTitleWithNotLatestRevId() {
 872                 $this->testPage->doEditContent( new WikitextContent( __METHOD__ ), __METHOD__ );
 873                 $this->assertRevEquals(
 874                         $this->testPage->getRevision()->getPrevious(),
 875                         Revision::loadFromTitle(
 876                                 wfGetDB( DB_MASTER ),
 877                                 $this->testPage->getTitle(),
 878                                 $this->testPage->getRevision()->getPrevious()->getId()
 879                         )
 880                 );
 881         }
 882
 883         /**
 884          * @covers Revision::loadFromTimestamp()
 885          */
 886         public function testLoadFromTimestamp() {
 887                 $this->assertRevEquals(
 888                         $this->testPage->getRevision(),
 889                         Revision::loadFromTimestamp(
 890                                 wfGetDB( DB_MASTER ),
 891                                 $this->testPage->getTitle(),
 892                                 $this->testPage->getRevision()->getTimestamp()
 893                         )
 894                 );
 895         }
 896
 897 }