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 $the_page
  13          */
  14         private $the_page;
  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->the_page ) {
  74                         $this->the_page = $this->createPage(
  75                                 'RevisionStorageTest_the_page',
  76                                 "just a dummy page",
  77                                 CONTENT_MODEL_WIKITEXT
  78                         );
  79                 }
  80         }
  81
  82         protected function tearDown() {
  83                 global $wgContLang;
  84
  85                 parent::tearDown();
  86
  87                 MWNamespace::clearCaches();
  88                 // Reset namespace cache
  89                 $wgContLang->resetNamespaces();
  90         }
  91
  92         protected function makeRevision( $props = null ) {
  93                 if ( $props === null ) {
  94                         $props = [];
  95                 }
  96
  97                 if ( !isset( $props['content'] ) && !isset( $props['text'] ) ) {
  98                         $props['text'] = 'Lorem Ipsum';
  99                 }
 100
 101                 if ( !isset( $props['comment'] ) ) {
 102                         $props['comment'] = 'just a test';
 103                 }
 104
 105                 if ( !isset( $props['page'] ) ) {
 106                         $props['page'] = $this->the_page->getId();
 107                 }
 108
 109                 $rev = new Revision( $props );
 110
 111                 $dbw = wfGetDB( DB_MASTER );
 112                 $rev->insertOn( $dbw );
 113
 114                 return $rev;
 115         }
 116
 117         /**
 118          * @param string $titleString
 119          * @param string $text
 120          * @param string|null $model
 121          *
 122          * @return WikiPage
 123          */
 124         protected function createPage( $titleString, $text, $model = null ) {
 125                 if ( !preg_match( '/:/', $titleString ) &&
 126                         ( $model === null || $model === CONTENT_MODEL_WIKITEXT )
 127                 ) {
 128                         $ns = $this->getDefaultWikitextNS();
 129                         $titleString = MWNamespace::getCanonicalName( $ns ) . ':' . $titleString;
 130                 }
 131
 132                 $title = Title::newFromText( $titleString );
 133                 $wikipage = new WikiPage( $title );
 134
 135                 // Delete the article if it already exists
 136                 if ( $wikipage->exists() ) {
 137                         $wikipage->doDeleteArticle( "done" );
 138                 }
 139
 140                 $content = ContentHandler::makeContent( $text, $title, $model );
 141                 $wikipage->doEditContent( $content, __METHOD__, EDIT_NEW );
 142
 143                 return $wikipage;
 144         }
 145
 146         protected function assertRevEquals( Revision $orig, Revision $rev = null ) {
 147                 $this->assertNotNull( $rev, 'missing revision' );
 148
 149                 $this->assertEquals( $orig->getId(), $rev->getId() );
 150                 $this->assertEquals( $orig->getPage(), $rev->getPage() );
 151                 $this->assertEquals( $orig->getTimestamp(), $rev->getTimestamp() );
 152                 $this->assertEquals( $orig->getUser(), $rev->getUser() );
 153                 $this->assertEquals( $orig->getContentModel(), $rev->getContentModel() );
 154                 $this->assertEquals( $orig->getContentFormat(), $rev->getContentFormat() );
 155                 $this->assertEquals( $orig->getSha1(), $rev->getSha1() );
 156         }
 157
 158         /**
 159          * @covers Revision::__construct
 160          */
 161         public function testConstructFromRow() {
 162                 $orig = $this->makeRevision();
 163
 164                 $dbr = wfGetDB( DB_REPLICA );
 165                 $res = $dbr->select( 'revision', Revision::selectFields(), [ 'rev_id' => $orig->getId() ] );
 166                 $this->assertTrue( is_object( $res ), 'query failed' );
 167
 168                 $row = $res->fetchObject();
 169                 $res->free();
 170
 171                 $rev = new Revision( $row );
 172
 173                 $this->assertRevEquals( $orig, $rev );
 174         }
 175
 176         /**
 177          * @covers Revision::newFromTitle
 178          */
 179         public function testNewFromTitle_withoutId() {
 180                 $page = $this->createPage(
 181                         __METHOD__,
 182                         'GOAT',
 183                         CONTENT_MODEL_WIKITEXT
 184                 );
 185                 $latestRevId = $page->getLatest();
 186
 187                 $rev = Revision::newFromTitle( $page->getTitle() );
 188
 189                 $this->assertTrue( $page->getTitle()->equals( $rev->getTitle() ) );
 190                 $this->assertEquals( $latestRevId, $rev->getId() );
 191         }
 192
 193         /**
 194          * @covers Revision::newFromTitle
 195          */
 196         public function testNewFromTitle_withId() {
 197                 $page = $this->createPage(
 198                         __METHOD__,
 199                         'GOAT',
 200                         CONTENT_MODEL_WIKITEXT
 201                 );
 202                 $latestRevId = $page->getLatest();
 203
 204                 $rev = Revision::newFromTitle( $page->getTitle(), $latestRevId );
 205
 206                 $this->assertTrue( $page->getTitle()->equals( $rev->getTitle() ) );
 207                 $this->assertEquals( $latestRevId, $rev->getId() );
 208         }
 209
 210         /**
 211          * @covers Revision::newFromTitle
 212          */
 213         public function testNewFromTitle_withBadId() {
 214                 $page = $this->createPage(
 215                         __METHOD__,
 216                         'GOAT',
 217                         CONTENT_MODEL_WIKITEXT
 218                 );
 219                 $latestRevId = $page->getLatest();
 220
 221                 $rev = Revision::newFromTitle( $page->getTitle(), $latestRevId + 1 );
 222
 223                 $this->assertNull( $rev );
 224         }
 225
 226         /**
 227          * @covers Revision::newFromRow
 228          */
 229         public function testNewFromRow() {
 230                 $orig = $this->makeRevision();
 231
 232                 $dbr = wfGetDB( DB_REPLICA );
 233                 $res = $dbr->select( 'revision', Revision::selectFields(), [ 'rev_id' => $orig->getId() ] );
 234                 $this->assertTrue( is_object( $res ), 'query failed' );
 235
 236                 $row = $res->fetchObject();
 237                 $res->free();
 238
 239                 $rev = Revision::newFromRow( $row );
 240
 241                 $this->assertRevEquals( $orig, $rev );
 242         }
 243
 244         /**
 245          * @covers Revision::newFromArchiveRow
 246          */
 247         public function testNewFromArchiveRow() {
 248                 $page = $this->createPage(
 249                         'RevisionStorageTest_testNewFromArchiveRow',
 250                         'Lorem Ipsum',
 251                         CONTENT_MODEL_WIKITEXT
 252                 );
 253                 $orig = $page->getRevision();
 254                 $page->doDeleteArticle( 'test Revision::newFromArchiveRow' );
 255
 256                 $dbr = wfGetDB( DB_REPLICA );
 257                 $res = $dbr->select(
 258                         'archive', Revision::selectArchiveFields(), [ 'ar_rev_id' => $orig->getId() ]
 259                 );
 260                 $this->assertTrue( is_object( $res ), 'query failed' );
 261
 262                 $row = $res->fetchObject();
 263                 $res->free();
 264
 265                 $rev = Revision::newFromArchiveRow( $row );
 266
 267                 $this->assertRevEquals( $orig, $rev );
 268         }
 269
 270         /**
 271          * @covers Revision::newFromId
 272          */
 273         public function testNewFromId() {
 274                 $orig = $this->makeRevision();
 275
 276                 $rev = Revision::newFromId( $orig->getId() );
 277
 278                 $this->assertRevEquals( $orig, $rev );
 279         }
 280
 281         /**
 282          * @covers Revision::fetchRevision
 283          */
 284         public function testFetchRevision() {
 285                 $page = $this->createPage(
 286                         'RevisionStorageTest_testFetchRevision',
 287                         'one',
 288                         CONTENT_MODEL_WIKITEXT
 289                 );
 290
 291                 // Hidden process cache assertion below
 292                 $page->getRevision()->getId();
 293
 294                 $page->doEditContent( new WikitextContent( 'two' ), 'second rev' );
 295                 $id = $page->getRevision()->getId();
 296
 297                 $res = Revision::fetchRevision( $page->getTitle() );
 298
 299                 # note: order is unspecified
 300                 $rows = [];
 301                 while ( ( $row = $res->fetchObject() ) ) {
 302                         $rows[$row->rev_id] = $row;
 303                 }
 304
 305                 $this->assertEquals( 1, count( $rows ), 'expected exactly one revision' );
 306                 $this->assertArrayHasKey( $id, $rows, 'missing revision with id ' . $id );
 307         }
 308
 309         /**
 310          * @covers Revision::selectFields
 311          */
 312         public function testSelectFields() {
 313                 global $wgContentHandlerUseDB;
 314
 315                 $fields = Revision::selectFields();
 316
 317                 $this->assertTrue( in_array( 'rev_id', $fields ), 'missing rev_id in list of fields' );
 318                 $this->assertTrue( in_array( 'rev_page', $fields ), 'missing rev_page in list of fields' );
 319                 $this->assertTrue(
 320                         in_array( 'rev_timestamp', $fields ),
 321                         'missing rev_timestamp in list of fields'
 322                 );
 323                 $this->assertTrue( in_array( 'rev_user', $fields ), 'missing rev_user in list of fields' );
 324
 325                 if ( $wgContentHandlerUseDB ) {
 326                         $this->assertTrue( in_array( 'rev_content_model', $fields ),
 327                                 'missing rev_content_model in list of fields' );
 328                         $this->assertTrue( in_array( 'rev_content_format', $fields ),
 329                                 'missing rev_content_format in list of fields' );
 330                 }
 331         }
 332
 333         /**
 334          * @covers Revision::getPage
 335          */
 336         public function testGetPage() {
 337                 $page = $this->the_page;
 338
 339                 $orig = $this->makeRevision( [ 'page' => $page->getId() ] );
 340                 $rev = Revision::newFromId( $orig->getId() );
 341
 342                 $this->assertEquals( $page->getId(), $rev->getPage() );
 343         }
 344
 345         /**
 346          * @covers Revision::isCurrent
 347          */
 348         public function testIsCurrent() {
 349                 $page = $this->createPage(
 350                         'RevisionStorageTest_testIsCurrent',
 351                         'Lorem Ipsum',
 352                         CONTENT_MODEL_WIKITEXT
 353                 );
 354                 $rev1 = $page->getRevision();
 355
 356                 # @todo find out if this should be true
 357                 # $this->assertTrue( $rev1->isCurrent() );
 358
 359                 $rev1x = Revision::newFromId( $rev1->getId() );
 360                 $this->assertTrue( $rev1x->isCurrent() );
 361
 362                 $page->doEditContent(
 363                         ContentHandler::makeContent( 'Bla bla', $page->getTitle(), CONTENT_MODEL_WIKITEXT ),
 364                         'second rev'
 365                 );
 366                 $rev2 = $page->getRevision();
 367
 368                 # @todo find out if this should be true
 369                 # $this->assertTrue( $rev2->isCurrent() );
 370
 371                 $rev1x = Revision::newFromId( $rev1->getId() );
 372                 $this->assertFalse( $rev1x->isCurrent() );
 373
 374                 $rev2x = Revision::newFromId( $rev2->getId() );
 375                 $this->assertTrue( $rev2x->isCurrent() );
 376         }
 377
 378         /**
 379          * @covers Revision::getPrevious
 380          */
 381         public function testGetPrevious() {
 382                 $page = $this->createPage(
 383                         'RevisionStorageTest_testGetPrevious',
 384                         'Lorem Ipsum testGetPrevious',
 385                         CONTENT_MODEL_WIKITEXT
 386                 );
 387                 $rev1 = $page->getRevision();
 388
 389                 $this->assertNull( $rev1->getPrevious() );
 390
 391                 $page->doEditContent(
 392                         ContentHandler::makeContent( 'Bla bla', $page->getTitle(), CONTENT_MODEL_WIKITEXT ),
 393                         'second rev testGetPrevious' );
 394                 $rev2 = $page->getRevision();
 395
 396                 $this->assertNotNull( $rev2->getPrevious() );
 397                 $this->assertEquals( $rev1->getId(), $rev2->getPrevious()->getId() );
 398         }
 399
 400         /**
 401          * @covers Revision::getNext
 402          */
 403         public function testGetNext() {
 404                 $page = $this->createPage(
 405                         'RevisionStorageTest_testGetNext',
 406                         'Lorem Ipsum testGetNext',
 407                         CONTENT_MODEL_WIKITEXT
 408                 );
 409                 $rev1 = $page->getRevision();
 410
 411                 $this->assertNull( $rev1->getNext() );
 412
 413                 $page->doEditContent(
 414                         ContentHandler::makeContent( 'Bla bla', $page->getTitle(), CONTENT_MODEL_WIKITEXT ),
 415                         'second rev testGetNext'
 416                 );
 417                 $rev2 = $page->getRevision();
 418
 419                 $this->assertNotNull( $rev1->getNext() );
 420                 $this->assertEquals( $rev2->getId(), $rev1->getNext()->getId() );
 421         }
 422
 423         /**
 424          * @covers Revision::newNullRevision
 425          */
 426         public function testNewNullRevision() {
 427                 $page = $this->createPage(
 428                         'RevisionStorageTest_testNewNullRevision',
 429                         'some testing text',
 430                         CONTENT_MODEL_WIKITEXT
 431                 );
 432                 $orig = $page->getRevision();
 433
 434                 $dbw = wfGetDB( DB_MASTER );
 435                 $rev = Revision::newNullRevision( $dbw, $page->getId(), 'a null revision', false );
 436
 437                 $this->assertNotEquals( $orig->getId(), $rev->getId(),
 438                         'new null revision shold have a different id from the original revision' );
 439                 $this->assertEquals( $orig->getTextId(), $rev->getTextId(),
 440                         'new null revision shold have the same text id as the original revision' );
 441                 $this->assertEquals( 'some testing text', $rev->getContent()->getNativeData() );
 442         }
 443
 444         /**
 445          * @covers Revision::insertOn
 446          */
 447         public function testInsertOn() {
 448                 $ip = '2600:387:ed7:947e:8c16:a1ad:dd34:1dd7';
 449
 450                 $orig = $this->makeRevision( [
 451                         'user_text' => $ip
 452                 ] );
 453
 454                 // Make sure the revision was copied to ip_changes
 455                 $dbr = wfGetDB( DB_REPLICA );
 456                 $res = $dbr->select( 'ip_changes', '*', [ 'ipc_rev_id' => $orig->getId() ] );
 457                 $row = $res->fetchObject();
 458
 459                 $this->assertEquals( IP::toHex( $ip ), $row->ipc_hex );
 460                 $this->assertEquals( $orig->getTimestamp(), $row->ipc_rev_timestamp );
 461         }
 462
 463         public static function provideUserWasLastToEdit() {
 464                 yield 'actually the last edit' => [ 3, true ];
 465                 yield 'not the current edit, but still by this user' => [ 2, true ];
 466                 yield 'edit by another user' => [ 1, false ];
 467                 yield 'first edit, by this user, but another user edited in the mean time' => [ 0, false ];
 468         }
 469
 470         /**
 471          * @dataProvider provideUserWasLastToEdit
 472          */
 473         public function testUserWasLastToEdit( $sinceIdx, $expectedLast ) {
 474                 $userA = User::newFromName( "RevisionStorageTest_userA" );
 475                 $userB = User::newFromName( "RevisionStorageTest_userB" );
 476
 477                 if ( $userA->getId() === 0 ) {
 478                         $userA = User::createNew( $userA->getName() );
 479                 }
 480
 481                 if ( $userB->getId() === 0 ) {
 482                         $userB = User::createNew( $userB->getName() );
 483                 }
 484
 485                 $ns = $this->getDefaultWikitextNS();
 486
 487                 $dbw = wfGetDB( DB_MASTER );
 488                 $revisions = [];
 489
 490                 // create revisions -----------------------------
 491                 $page = WikiPage::factory( Title::newFromText(
 492                         'RevisionStorageTest_testUserWasLastToEdit', $ns ) );
 493                 $page->insertOn( $dbw );
 494
 495                 $revisions[0] = new Revision( [
 496                         'page' => $page->getId(),
 497                         // we need the title to determine the page's default content model
 498                         'title' => $page->getTitle(),
 499                         'timestamp' => '20120101000000',
 500                         'user' => $userA->getId(),
 501                         'text' => 'zero',
 502                         'content_model' => CONTENT_MODEL_WIKITEXT,
 503                         'summary' => 'edit zero'
 504                 ] );
 505                 $revisions[0]->insertOn( $dbw );
 506
 507                 $revisions[1] = new Revision( [
 508                         'page' => $page->getId(),
 509                         // still need the title, because $page->getId() is 0 (there's no entry in the page table)
 510                         'title' => $page->getTitle(),
 511                         'timestamp' => '20120101000100',
 512                         'user' => $userA->getId(),
 513                         'text' => 'one',
 514                         'content_model' => CONTENT_MODEL_WIKITEXT,
 515                         'summary' => 'edit one'
 516                 ] );
 517                 $revisions[1]->insertOn( $dbw );
 518
 519                 $revisions[2] = new Revision( [
 520                         'page' => $page->getId(),
 521                         'title' => $page->getTitle(),
 522                         'timestamp' => '20120101000200',
 523                         'user' => $userB->getId(),
 524                         'text' => 'two',
 525                         'content_model' => CONTENT_MODEL_WIKITEXT,
 526                         'summary' => 'edit two'
 527                 ] );
 528                 $revisions[2]->insertOn( $dbw );
 529
 530                 $revisions[3] = new Revision( [
 531                         'page' => $page->getId(),
 532                         'title' => $page->getTitle(),
 533                         'timestamp' => '20120101000300',
 534                         'user' => $userA->getId(),
 535                         'text' => 'three',
 536                         'content_model' => CONTENT_MODEL_WIKITEXT,
 537                         'summary' => 'edit three'
 538                 ] );
 539                 $revisions[3]->insertOn( $dbw );
 540
 541                 $revisions[4] = new Revision( [
 542                         'page' => $page->getId(),
 543                         'title' => $page->getTitle(),
 544                         'timestamp' => '20120101000200',
 545                         'user' => $userA->getId(),
 546                         'text' => 'zero',
 547                         'content_model' => CONTENT_MODEL_WIKITEXT,
 548                         'summary' => 'edit four'
 549                 ] );
 550                 $revisions[4]->insertOn( $dbw );
 551
 552                 // test it ---------------------------------
 553                 $since = $revisions[$sinceIdx]->getTimestamp();
 554
 555                 $wasLast = Revision::userWasLastToEdit( $dbw, $page->getId(), $userA->getId(), $since );
 556
 557                 $this->assertEquals( $expectedLast, $wasLast );
 558         }
 559
 560         /**
 561          * @param string $text
 562          * @param string $title
 563          * @param string $model
 564          * @param string $format
 565          *
 566          * @return Revision
 567          */
 568         private function newTestRevision( $text, $title = "Test",
 569                 $model = CONTENT_MODEL_WIKITEXT, $format = null
 570         ) {
 571                 if ( is_string( $title ) ) {
 572                         $title = Title::newFromText( $title );
 573                 }
 574
 575                 $content = ContentHandler::makeContent( $text, $title, $model, $format );
 576
 577                 $rev = new Revision(
 578                         [
 579                                 'id' => 42,
 580                                 'page' => 23,
 581                                 'title' => $title,
 582
 583                                 'content' => $content,
 584                                 'length' => $content->getSize(),
 585                                 'comment' => "testing",
 586                                 'minor_edit' => false,
 587
 588                                 'content_format' => $format,
 589                         ]
 590                 );
 591
 592                 return $rev;
 593         }
 594
 595         public function provideGetContentModel() {
 596                 // NOTE: we expect the help namespace to always contain wikitext
 597                 return [
 598                         [ 'hello world', 'Help:Hello', null, null, CONTENT_MODEL_WIKITEXT ],
 599                         [ 'hello world', 'User:hello/there.css', null, null, CONTENT_MODEL_CSS ],
 600                         [ serialize( 'hello world' ), 'Dummy:Hello', null, null, DummyContentForTesting::MODEL_ID ],
 601                 ];
 602         }
 603
 604         /**
 605          * @dataProvider provideGetContentModel
 606          * @covers Revision::getContentModel
 607          */
 608         public function testGetContentModel( $text, $title, $model, $format, $expectedModel ) {
 609                 $rev = $this->newTestRevision( $text, $title, $model, $format );
 610
 611                 $this->assertEquals( $expectedModel, $rev->getContentModel() );
 612         }
 613
 614         public function provideGetContentFormat() {
 615                 // NOTE: we expect the help namespace to always contain wikitext
 616                 return [
 617                         [ 'hello world', 'Help:Hello', null, null, CONTENT_FORMAT_WIKITEXT ],
 618                         [ 'hello world', 'Help:Hello', CONTENT_MODEL_CSS, null, CONTENT_FORMAT_CSS ],
 619                         [ 'hello world', 'User:hello/there.css', null, null, CONTENT_FORMAT_CSS ],
 620                         [ serialize( 'hello world' ), 'Dummy:Hello', null, null, DummyContentForTesting::MODEL_ID ],
 621                 ];
 622         }
 623
 624         /**
 625          * @dataProvider provideGetContentFormat
 626          * @covers Revision::getContentFormat
 627          */
 628         public function testGetContentFormat( $text, $title, $model, $format, $expectedFormat ) {
 629                 $rev = $this->newTestRevision( $text, $title, $model, $format );
 630
 631                 $this->assertEquals( $expectedFormat, $rev->getContentFormat() );
 632         }
 633
 634         public function provideGetContentHandler() {
 635                 // NOTE: we expect the help namespace to always contain wikitext
 636                 return [
 637                         [ 'hello world', 'Help:Hello', null, null, 'WikitextContentHandler' ],
 638                         [ 'hello world', 'User:hello/there.css', null, null, 'CssContentHandler' ],
 639                         [ serialize( 'hello world' ), 'Dummy:Hello', null, null, 'DummyContentHandlerForTesting' ],
 640                 ];
 641         }
 642
 643         /**
 644          * @dataProvider provideGetContentHandler
 645          * @covers Revision::getContentHandler
 646          */
 647         public function testGetContentHandler( $text, $title, $model, $format, $expectedClass ) {
 648                 $rev = $this->newTestRevision( $text, $title, $model, $format );
 649
 650                 $this->assertEquals( $expectedClass, get_class( $rev->getContentHandler() ) );
 651         }
 652
 653         public function provideGetContent() {
 654                 // NOTE: we expect the help namespace to always contain wikitext
 655                 return [
 656                         [ 'hello world', 'Help:Hello', null, null, Revision::FOR_PUBLIC, 'hello world' ],
 657                         [
 658                                 serialize( 'hello world' ),
 659                                 'Hello',
 660                                 DummyContentForTesting::MODEL_ID,
 661                                 null,
 662                                 Revision::FOR_PUBLIC,
 663                                 serialize( 'hello world' )
 664                         ],
 665                         [
 666                                 serialize( 'hello world' ),
 667                                 'Dummy:Hello',
 668                                 null,
 669                                 null,
 670                                 Revision::FOR_PUBLIC,
 671                                 serialize( 'hello world' )
 672                         ],
 673                 ];
 674         }
 675
 676         /**
 677          * @dataProvider provideGetContent
 678          * @covers Revision::getContent
 679          */
 680         public function testGetContent( $text, $title, $model, $format,
 681                 $audience, $expectedSerialization
 682         ) {
 683                 $rev = $this->newTestRevision( $text, $title, $model, $format );
 684                 $content = $rev->getContent( $audience );
 685
 686                 $this->assertEquals(
 687                         $expectedSerialization,
 688                         is_null( $content ) ? null : $content->serialize( $format )
 689                 );
 690         }
 691
 692         /**
 693          * @covers Revision::getContent
 694          */
 695         public function testGetContent_failure() {
 696                 $rev = new Revision( [
 697                         'page' => $this->the_page->getId(),
 698                         'content_model' => $this->the_page->getContentModel(),
 699                         'text_id' => 123456789, // not in the test DB
 700                 ] );
 701
 702                 $this->assertNull( $rev->getContent(),
 703                         "getContent() should return null if the revision's text blob could not be loaded." );
 704
 705                 // NOTE: check this twice, once for lazy initialization, and once with the cached value.
 706                 $this->assertNull( $rev->getContent(),
 707                         "getContent() should return null if the revision's text blob could not be loaded." );
 708         }
 709
 710         public function provideGetSize() {
 711                 return [
 712                         [ "hello world.", CONTENT_MODEL_WIKITEXT, 12 ],
 713                         [ serialize( "hello world." ), DummyContentForTesting::MODEL_ID, 12 ],
 714                 ];
 715         }
 716
 717         /**
 718          * @covers Revision::getSize
 719          * @dataProvider provideGetSize
 720          */
 721         public function testGetSize( $text, $model, $expected_size ) {
 722                 $rev = $this->newTestRevision( $text, 'RevisionTest_testGetSize', $model );
 723                 $this->assertEquals( $expected_size, $rev->getSize() );
 724         }
 725
 726         public function provideGetSha1() {
 727                 return [
 728                         [ "hello world.", CONTENT_MODEL_WIKITEXT, Revision::base36Sha1( "hello world." ) ],
 729                         [
 730                                 serialize( "hello world." ),
 731                                 DummyContentForTesting::MODEL_ID,
 732                                 Revision::base36Sha1( serialize( "hello world." ) )
 733                         ],
 734                 ];
 735         }
 736
 737         /**
 738          * @covers Revision::getSha1
 739          * @dataProvider provideGetSha1
 740          */
 741         public function testGetSha1( $text, $model, $expected_hash ) {
 742                 $rev = $this->newTestRevision( $text, 'RevisionTest_testGetSha1', $model );
 743                 $this->assertEquals( $expected_hash, $rev->getSha1() );
 744         }
 745
 746         /**
 747          * Tests whether $rev->getContent() returns a clone when needed.
 748          *
 749          * @covers Revision::getContent
 750          */
 751         public function testGetContentClone() {
 752                 $content = new RevisionTestModifyableContent( "foo" );
 753
 754                 $rev = new Revision(
 755                         [
 756                                 'id' => 42,
 757                                 'page' => 23,
 758                                 'title' => Title::newFromText( "testGetContentClone_dummy" ),
 759
 760                                 'content' => $content,
 761                                 'length' => $content->getSize(),
 762                                 'comment' => "testing",
 763                                 'minor_edit' => false,
 764                         ]
 765                 );
 766
 767                 /** @var RevisionTestModifyableContent $content */
 768                 $content = $rev->getContent( Revision::RAW );
 769                 $content->setText( "bar" );
 770
 771                 /** @var RevisionTestModifyableContent $content2 */
 772                 $content2 = $rev->getContent( Revision::RAW );
 773                 // content is mutable, expect clone
 774                 $this->assertNotSame( $content, $content2, "expected a clone" );
 775                 // clone should contain the original text
 776                 $this->assertEquals( "foo", $content2->getText() );
 777
 778                 $content2->setText( "bla bla" );
 779                 // clones should be independent
 780                 $this->assertEquals( "bar", $content->getText() );
 781         }
 782
 783         /**
 784          * Tests whether $rev->getContent() returns the same object repeatedly if appropriate.
 785          * @covers Revision::getContent
 786          */
 787         public function testGetContentUncloned() {
 788                 $rev = $this->newTestRevision( "hello", "testGetContentUncloned_dummy", CONTENT_MODEL_WIKITEXT );
 789                 $content = $rev->getContent( Revision::RAW );
 790                 $content2 = $rev->getContent( Revision::RAW );
 791
 792                 // for immutable content like wikitext, this should be the same object
 793                 $this->assertSame( $content, $content2 );
 794         }
 795
 796 }