tests/phpunit/includes/page/WikiPageDbTestBase.php

   1 <?php
   2
   3 use MediaWiki\Edit\PreparedEdit;
   4 use MediaWiki\MediaWikiServices;
   5 use MediaWiki\Revision\SlotRecord;
   6 use MediaWiki\Storage\RevisionSlotsUpdate;
   7 use PHPUnit\Framework\MockObject\MockObject;
   8 use Wikimedia\TestingAccessWrapper;
   9
  10 /**
  11  * @covers WikiPage
  12  */
  13 abstract class WikiPageDbTestBase extends MediaWikiLangTestCase {
  14
  15         private $pagesToDelete;
  16
  17         public function __construct( $name = null, array $data = [], $dataName = '' ) {
  18                 parent::__construct( $name, $data, $dataName );
  19
  20                 $this->tablesUsed = array_merge(
  21                         $this->tablesUsed,
  22                         [ 'page',
  23                                 'revision',
  24                                 'redirect',
  25                                 'archive',
  26                                 'category',
  27                                 'ip_changes',
  28                                 'text',
  29
  30                                 'recentchanges',
  31                                 'logging',
  32
  33                                 'page_props',
  34                                 'pagelinks',
  35                                 'categorylinks',
  36                                 'langlinks',
  37                                 'externallinks',
  38                                 'imagelinks',
  39                                 'templatelinks',
  40                                 'iwlinks' ] );
  41         }
  42
  43         protected function addCoreDBData() {
  44                 // Blank out. This would fail with a modified schema, and we don't need it.
  45         }
  46
  47         /**
  48          * @return int
  49          */
  50         abstract protected function getMcrMigrationStage();
  51
  52         /**
  53          * @return string[]
  54          */
  55         abstract protected function getMcrTablesToReset();
  56
  57         protected function setUp() {
  58                 parent::setUp();
  59
  60                 $this->tablesUsed += $this->getMcrTablesToReset();
  61
  62                 $this->setMwGlobals( 'wgContentHandlerUseDB', $this->getContentHandlerUseDB() );
  63                 $this->setMwGlobals(
  64                         'wgMultiContentRevisionSchemaMigrationStage',
  65                         $this->getMcrMigrationStage()
  66                 );
  67                 $this->pagesToDelete = [];
  68         }
  69
  70         protected function tearDown() {
  71                 foreach ( $this->pagesToDelete as $p ) {
  72                         /* @var WikiPage $p */
  73
  74                         try {
  75                                 if ( $p->exists() ) {
  76                                         $p->doDeleteArticle( "testing done." );
  77                                 }
  78                         } catch ( MWException $ex ) {
  79                                 // fail silently
  80                         }
  81                 }
  82                 parent::tearDown();
  83         }
  84
  85         abstract protected function getContentHandlerUseDB();
  86
  87         /**
  88          * @param Title|string $title
  89          * @param string|null $model
  90          * @return WikiPage
  91          */
  92         private function newPage( $title, $model = null ) {
  93                 if ( is_string( $title ) ) {
  94                         $ns = $this->getDefaultWikitextNS();
  95                         $title = Title::newFromText( $title, $ns );
  96                 }
  97
  98                 $p = new WikiPage( $title );
  99
 100                 $this->pagesToDelete[] = $p;
 101
 102                 return $p;
 103         }
 104
 105         /**
 106          * @param string|Title|WikiPage $page
 107          * @param string|Content|Content[] $content
 108          * @param int|null $model
 109          *
 110          * @return WikiPage
 111          */
 112         protected function createPage( $page, $content, $model = null, $user = null ) {
 113                 if ( is_string( $page ) || $page instanceof Title ) {
 114                         $page = $this->newPage( $page, $model );
 115                 }
 116
 117                 if ( !$user ) {
 118                         $user = $this->getTestUser()->getUser();
 119                 }
 120
 121                 if ( is_string( $content ) ) {
 122                         $content = ContentHandler::makeContent( $content, $page->getTitle(), $model );
 123                 }
 124
 125                 if ( !is_array( $content ) ) {
 126                         $content = [ 'main' => $content ];
 127                 }
 128
 129                 $updater = $page->newPageUpdater( $user );
 130
 131                 foreach ( $content as $role => $cnt ) {
 132                         $updater->setContent( $role, $cnt );
 133                 }
 134
 135                 $updater->saveRevision( CommentStoreComment::newUnsavedComment( "testing" ) );
 136                 if ( !$updater->wasSuccessful() ) {
 137                         $this->fail( $updater->getStatus()->getWikiText() );
 138                 }
 139
 140                 return $page;
 141         }
 142
 143         /**
 144          * @covers WikiPage::prepareContentForEdit
 145          */
 146         public function testPrepareContentForEdit() {
 147                 $user = $this->getTestUser()->getUser();
 148                 $sysop = $this->getTestUser( [ 'sysop' ] )->getUser();
 149
 150                 $page = $this->createPage( __METHOD__, __METHOD__, null, $user );
 151                 $title = $page->getTitle();
 152
 153                 $content = ContentHandler::makeContent(
 154                         "[[Lorem ipsum]] dolor sit amet, consetetur sadipscing elitr, sed diam "
 155                         . " nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat.",
 156                         $title,
 157                         CONTENT_MODEL_WIKITEXT
 158                 );
 159                 $content2 = ContentHandler::makeContent(
 160                         "At vero eos et accusam et justo duo [[dolores]] et ea rebum. "
 161                         . "Stet clita kasd [[gubergren]], no sea takimata sanctus est. ~~~~",
 162                         $title,
 163                         CONTENT_MODEL_WIKITEXT
 164                 );
 165
 166                 $edit = $page->prepareContentForEdit( $content, null, $user, null, false );
 167
 168                 $this->assertInstanceOf(
 169                         ParserOptions::class,
 170                         $edit->popts,
 171                         "pops"
 172                 );
 173                 $this->assertContains( '</a>', $edit->output->getText(), "output" );
 174                 $this->assertContains(
 175                         'consetetur sadipscing elitr',
 176                         $edit->output->getText(),
 177                         "output"
 178                 );
 179
 180                 $this->assertTrue( $content->equals( $edit->newContent ), "newContent field" );
 181                 $this->assertTrue( $content->equals( $edit->pstContent ), "pstContent field" );
 182                 $this->assertSame( $edit->output, $edit->output, "output field" );
 183                 $this->assertSame( $edit->popts, $edit->popts, "popts field" );
 184                 $this->assertSame( null, $edit->revid, "revid field" );
 185
 186                 // Re-using the prepared info if possible
 187                 $sameEdit = $page->prepareContentForEdit( $content, null, $user, null, false );
 188                 $this->assertPreparedEditEquals( $edit, $sameEdit, 'equivalent PreparedEdit' );
 189                 $this->assertSame( $edit->pstContent, $sameEdit->pstContent, 're-use output' );
 190                 $this->assertSame( $edit->output, $sameEdit->output, 're-use output' );
 191
 192                 // Not re-using the same PreparedEdit if not possible
 193                 $rev = $page->getRevision();
 194                 $edit2 = $page->prepareContentForEdit( $content2, null, $user, null, false );
 195                 $this->assertPreparedEditNotEquals( $edit, $edit2 );
 196                 $this->assertContains( 'At vero eos', $edit2->pstContent->serialize(), "content" );
 197
 198                 // Check pre-safe transform
 199                 $this->assertContains( '[[gubergren]]', $edit2->pstContent->serialize() );
 200                 $this->assertNotContains( '~~~~', $edit2->pstContent->serialize() );
 201
 202                 $edit3 = $page->prepareContentForEdit( $content2, null, $sysop, null, false );
 203                 $this->assertPreparedEditNotEquals( $edit2, $edit3 );
 204
 205                 // TODO: test with passing revision, then same without revision.
 206         }
 207
 208         /**
 209          * @covers WikiPage::doEditUpdates
 210          */
 211         public function testDoEditUpdates() {
 212                 $user = $this->getTestUser()->getUser();
 213
 214                 // NOTE: if site stats get out of whack and drop below 0,
 215                 // that causes a DB error during tear-down. So bump the
 216                 // numbers high enough to not drop below 0.
 217                 $siteStatsUpdate = SiteStatsUpdate::factory(
 218                         [ 'edits' => 1000, 'articles' => 1000, 'pages' => 1000 ]
 219                 );
 220                 $siteStatsUpdate->doUpdate();
 221
 222                 $page = $this->createPage( __METHOD__, __METHOD__ );
 223
 224                 $revision = new Revision(
 225                         [
 226                                 'id' => 9989,
 227                                 'page' => $page->getId(),
 228                                 'title' => $page->getTitle(),
 229                                 'comment' => __METHOD__,
 230                                 'minor_edit' => true,
 231                                 'text' => __METHOD__ . ' [[|foo]][[bar]]', // PST turns [[|foo]] into [[foo]]
 232                                 'user' => $user->getId(),
 233                                 'user_text' => $user->getName(),
 234                                 'timestamp' => '20170707040404',
 235                                 'content_model' => CONTENT_MODEL_WIKITEXT,
 236                                 'content_format' => CONTENT_FORMAT_WIKITEXT,
 237                         ]
 238                 );
 239
 240                 $page->doEditUpdates( $revision, $user );
 241
 242                 // TODO: test various options; needs temporary hooks
 243
 244                 $dbr = wfGetDB( DB_REPLICA );
 245                 $res = $dbr->select( 'pagelinks', '*', [ 'pl_from' => $page->getId() ] );
 246                 $n = $res->numRows();
 247                 $res->free();
 248
 249                 $this->assertEquals( 1, $n, 'pagelinks should contain only one link if PST was not applied' );
 250         }
 251
 252         /**
 253          * @covers WikiPage::doEditContent
 254          * @covers WikiPage::prepareContentForEdit
 255          */
 256         public function testDoEditContent() {
 257                 $this->setMwGlobals( 'wgPageCreationLog', true );
 258
 259                 $page = $this->newPage( __METHOD__ );
 260                 $title = $page->getTitle();
 261
 262                 $user1 = $this->getTestUser()->getUser();
 263                 // Use the confirmed group for user2 to make sure the user is different
 264                 $user2 = $this->getTestUser( [ 'confirmed' ] )->getUser();
 265
 266                 $content = ContentHandler::makeContent(
 267                         "[[Lorem ipsum]] dolor sit amet, consetetur sadipscing elitr, sed diam "
 268                                 . " nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat.",
 269                         $title,
 270                         CONTENT_MODEL_WIKITEXT
 271                 );
 272
 273                 $preparedEditBefore = $page->prepareContentForEdit( $content, null, $user1 );
 274
 275                 $status = $page->doEditContent( $content, "[[testing]] 1", EDIT_NEW, false, $user1 );
 276
 277                 $this->assertTrue( $status->isOK(), 'OK' );
 278                 $this->assertTrue( $status->value['new'], 'new' );
 279                 $this->assertNotNull( $status->value['revision'], 'revision' );
 280                 $this->assertSame( $status->value['revision']->getId(), $page->getRevision()->getId() );
 281                 $this->assertSame( $status->value['revision']->getSha1(), $page->getRevision()->getSha1() );
 282                 $this->assertTrue( $status->value['revision']->getContent()->equals( $content ), 'equals' );
 283
 284                 $rev = $page->getRevision();
 285                 $preparedEditAfter = $page->prepareContentForEdit( $content, $rev, $user1 );
 286
 287                 $this->assertNotNull( $rev->getRecentChange() );
 288                 $this->assertSame( $rev->getId(), (int)$rev->getRecentChange()->getAttribute( 'rc_this_oldid' ) );
 289
 290                 // make sure that cached ParserOutput gets re-used throughout
 291                 $this->assertSame( $preparedEditBefore->output, $preparedEditAfter->output );
 292
 293                 $id = $page->getId();
 294
 295                 // Test page creation logging
 296                 $this->assertSelect(
 297                         'logging',
 298                         [ 'log_type', 'log_action' ],
 299                         [ 'log_page' => $id ],
 300                         [ [ 'create', 'create' ] ]
 301                 );
 302
 303                 $this->assertTrue( $title->getArticleID() > 0, "Title object should have new page id" );
 304                 $this->assertTrue( $id > 0, "WikiPage should have new page id" );
 305                 $this->assertTrue( $title->exists(), "Title object should indicate that the page now exists" );
 306                 $this->assertTrue( $page->exists(), "WikiPage object should indicate that the page now exists" );
 307
 308                 # ------------------------
 309                 $dbr = wfGetDB( DB_REPLICA );
 310                 $res = $dbr->select( 'pagelinks', '*', [ 'pl_from' => $id ] );
 311                 $n = $res->numRows();
 312                 $res->free();
 313
 314                 $this->assertEquals( 1, $n, 'pagelinks should contain one link from the page' );
 315
 316                 # ------------------------
 317                 $page = new WikiPage( $title );
 318
 319                 $retrieved = $page->getContent();
 320                 $this->assertTrue( $content->equals( $retrieved ), 'retrieved content doesn\'t equal original' );
 321
 322                 # ------------------------
 323                 $page = new WikiPage( $title );
 324
 325                 // try null edit, with a different user
 326                 $status = $page->doEditContent( $content, 'This changes nothing', EDIT_UPDATE, false, $user2 );
 327                 $this->assertTrue( $status->isOK(), 'OK' );
 328                 $this->assertFalse( $status->value['new'], 'new' );
 329                 $this->assertNull( $status->value['revision'], 'revision' );
 330                 $this->assertNotNull( $page->getRevision() );
 331                 $this->assertTrue( $page->getRevision()->getContent()->equals( $content ), 'equals' );
 332
 333                 # ------------------------
 334                 $content = ContentHandler::makeContent(
 335                         "At vero eos et accusam et justo duo [[dolores]] et ea rebum. "
 336                                 . "Stet clita kasd [[gubergren]], no sea takimata sanctus est. ~~~~",
 337                         $title,
 338                         CONTENT_MODEL_WIKITEXT
 339                 );
 340
 341                 $status = $page->doEditContent( $content, "testing 2", EDIT_UPDATE );
 342                 $this->assertTrue( $status->isOK(), 'OK' );
 343                 $this->assertFalse( $status->value['new'], 'new' );
 344                 $this->assertNotNull( $status->value['revision'], 'revision' );
 345                 $this->assertSame( $status->value['revision']->getId(), $page->getRevision()->getId() );
 346                 $this->assertSame( $status->value['revision']->getSha1(), $page->getRevision()->getSha1() );
 347                 $this->assertFalse(
 348                         $status->value['revision']->getContent()->equals( $content ),
 349                         'not equals (PST must substitute signature)'
 350                 );
 351
 352                 $rev = $page->getRevision();
 353                 $this->assertNotNull( $rev->getRecentChange() );
 354                 $this->assertSame( $rev->getId(), (int)$rev->getRecentChange()->getAttribute( 'rc_this_oldid' ) );
 355
 356                 # ------------------------
 357                 $page = new WikiPage( $title );
 358
 359                 $retrieved = $page->getContent();
 360                 $newText = $retrieved->serialize();
 361                 $this->assertContains( '[[gubergren]]', $newText, 'New text must replace old text.' );
 362                 $this->assertNotContains( '~~~~', $newText, 'PST must substitute signature.' );
 363
 364                 # ------------------------
 365                 $dbr = wfGetDB( DB_REPLICA );
 366                 $res = $dbr->select( 'pagelinks', '*', [ 'pl_from' => $id ] );
 367                 $n = $res->numRows();
 368                 $res->free();
 369
 370                 $this->assertEquals( 2, $n, 'pagelinks should contain two links from the page' );
 371         }
 372
 373         /**
 374          * @covers WikiPage::doEditContent
 375          */
 376         public function testDoEditContent_twice() {
 377                 $title = Title::newFromText( __METHOD__ );
 378                 $page = WikiPage::factory( $title );
 379                 $content = ContentHandler::makeContent( '$1 van $2', $title );
 380
 381                 // Make sure we can do the exact same save twice.
 382                 // This tests checks that internal caches are reset as appropriate.
 383                 $status1 = $page->doEditContent( $content, __METHOD__ );
 384                 $status2 = $page->doEditContent( $content, __METHOD__ );
 385
 386                 $this->assertTrue( $status1->isOK(), 'OK' );
 387                 $this->assertTrue( $status2->isOK(), 'OK' );
 388
 389                 $this->assertTrue( isset( $status1->value['revision'] ), 'OK' );
 390                 $this->assertFalse( isset( $status2->value['revision'] ), 'OK' );
 391         }
 392
 393         /**
 394          * Undeletion is covered in PageArchiveTest::testUndeleteRevisions()
 395          * TODO: Revision deletion
 396          *
 397          * @covers WikiPage::doDeleteArticle
 398          * @covers WikiPage::doDeleteArticleReal
 399          */
 400         public function testDoDeleteArticle() {
 401                 $page = $this->createPage(
 402                         __METHOD__,
 403                         "[[original text]] foo",
 404                         CONTENT_MODEL_WIKITEXT
 405                 );
 406                 $id = $page->getId();
 407
 408                 $page->doDeleteArticle( "testing deletion" );
 409
 410                 $this->assertFalse(
 411                         $page->getTitle()->getArticleID() > 0,
 412                         "Title object should now have page id 0"
 413                 );
 414                 $this->assertFalse( $page->getId() > 0, "WikiPage should now have page id 0" );
 415                 $this->assertFalse(
 416                         $page->exists(),
 417                         "WikiPage::exists should return false after page was deleted"
 418                 );
 419                 $this->assertNull(
 420                         $page->getContent(),
 421                         "WikiPage::getContent should return null after page was deleted"
 422                 );
 423
 424                 $t = Title::newFromText( $page->getTitle()->getPrefixedText() );
 425                 $this->assertFalse(
 426                         $t->exists(),
 427                         "Title::exists should return false after page was deleted"
 428                 );
 429
 430                 // Run the job queue
 431                 JobQueueGroup::destroySingletons();
 432                 $jobs = new RunJobs;
 433                 $jobs->loadParamsAndArgs( null, [ 'quiet' => true ], null );
 434                 $jobs->execute();
 435
 436                 # ------------------------
 437                 $dbr = wfGetDB( DB_REPLICA );
 438                 $res = $dbr->select( 'pagelinks', '*', [ 'pl_from' => $id ] );
 439                 $n = $res->numRows();
 440                 $res->free();
 441
 442                 $this->assertSame( 0, $n, 'pagelinks should contain no more links from the page' );
 443         }
 444
 445         /**
 446          * @covers WikiPage::doDeleteArticleReal
 447          */
 448         public function testDoDeleteArticleReal_user0() {
 449                 $page = $this->createPage(
 450                         __METHOD__,
 451                         "[[original text]] foo",
 452                         CONTENT_MODEL_WIKITEXT
 453                 );
 454                 $id = $page->getId();
 455
 456                 $errorStack = '';
 457                 $status = $page->doDeleteArticleReal(
 458                         /* reason */ "testing user 0 deletion",
 459                         /* suppress */ false,
 460                         /* unused 1 */ null,
 461                         /* unused 2 */ null,
 462                         /* errorStack */ $errorStack,
 463                         null
 464                 );
 465                 $logId = $status->getValue();
 466                 $actorQuery = ActorMigration::newMigration()->getJoin( 'log_user' );
 467                 $commentQuery = MediaWikiServices::getInstance()->getCommentStore()->getJoin( 'log_comment' );
 468                 $this->assertSelect(
 469                         [ 'logging' ] + $actorQuery['tables'] + $commentQuery['tables'], /* table */
 470                         [
 471                                 'log_type',
 472                                 'log_action',
 473                                 'log_comment' => $commentQuery['fields']['log_comment_text'],
 474                                 'log_user' => $actorQuery['fields']['log_user'],
 475                                 'log_user_text' => $actorQuery['fields']['log_user_text'],
 476                                 'log_namespace',
 477                                 'log_title',
 478                         ],
 479                         [ 'log_id' => $logId ],
 480                         [ [
 481                                 'delete',
 482                                 'delete',
 483                                 'testing user 0 deletion',
 484                                 null,
 485                                 '127.0.0.1',
 486                                 (string)$page->getTitle()->getNamespace(),
 487                                 $page->getTitle()->getDBkey(),
 488                         ] ],
 489                         [],
 490                         $actorQuery['joins'] + $commentQuery['joins']
 491                 );
 492         }
 493
 494         /**
 495          * @covers WikiPage::doDeleteArticleReal
 496          */
 497         public function testDoDeleteArticleReal_userSysop() {
 498                 $page = $this->createPage(
 499                         __METHOD__,
 500                         "[[original text]] foo",
 501                         CONTENT_MODEL_WIKITEXT
 502                 );
 503                 $id = $page->getId();
 504
 505                 $user = $this->getTestSysop()->getUser();
 506                 $errorStack = '';
 507                 $status = $page->doDeleteArticleReal(
 508                         /* reason */ "testing sysop deletion",
 509                         /* suppress */ false,
 510                         /* unused 1 */ null,
 511                         /* unused 2 */ null,
 512                         /* errorStack */ $errorStack,
 513                         $user
 514                 );
 515                 $logId = $status->getValue();
 516                 $actorQuery = ActorMigration::newMigration()->getJoin( 'log_user' );
 517                 $commentQuery = MediaWikiServices::getInstance()->getCommentStore()->getJoin( 'log_comment' );
 518                 $this->assertSelect(
 519                         [ 'logging' ] + $actorQuery['tables'] + $commentQuery['tables'], /* table */
 520                         [
 521                                 'log_type',
 522                                 'log_action',
 523                                 'log_comment' => $commentQuery['fields']['log_comment_text'],
 524                                 'log_user' => $actorQuery['fields']['log_user'],
 525                                 'log_user_text' => $actorQuery['fields']['log_user_text'],
 526                                 'log_namespace',
 527                                 'log_title',
 528                         ],
 529                         [ 'log_id' => $logId ],
 530                         [ [
 531                                 'delete',
 532                                 'delete',
 533                                 'testing sysop deletion',
 534                                 (string)$user->getId(),
 535                                 $user->getName(),
 536                                 (string)$page->getTitle()->getNamespace(),
 537                                 $page->getTitle()->getDBkey(),
 538                         ] ],
 539                         [],
 540                         $actorQuery['joins'] + $commentQuery['joins']
 541                 );
 542         }
 543
 544         /**
 545          * TODO: Test more stuff about suppression.
 546          *
 547          * @covers WikiPage::doDeleteArticleReal
 548          */
 549         public function testDoDeleteArticleReal_suppress() {
 550                 $page = $this->createPage(
 551                         __METHOD__,
 552                         "[[original text]] foo",
 553                         CONTENT_MODEL_WIKITEXT
 554                 );
 555                 $id = $page->getId();
 556
 557                 $user = $this->getTestSysop()->getUser();
 558                 $errorStack = '';
 559                 $status = $page->doDeleteArticleReal(
 560                         /* reason */ "testing deletion",
 561                         /* suppress */ true,
 562                         /* unused 1 */ null,
 563                         /* unused 2 */ null,
 564                         /* errorStack */ $errorStack,
 565                         $user
 566                 );
 567                 $logId = $status->getValue();
 568                 $actorQuery = ActorMigration::newMigration()->getJoin( 'log_user' );
 569                 $commentQuery = MediaWikiServices::getInstance()->getCommentStore()->getJoin( 'log_comment' );
 570                 $this->assertSelect(
 571                         [ 'logging' ] + $actorQuery['tables'] + $commentQuery['tables'], /* table */
 572                         [
 573                                 'log_type',
 574                                 'log_action',
 575                                 'log_comment' => $commentQuery['fields']['log_comment_text'],
 576                                 'log_user' => $actorQuery['fields']['log_user'],
 577                                 'log_user_text' => $actorQuery['fields']['log_user_text'],
 578                                 'log_namespace',
 579                                 'log_title',
 580                         ],
 581                         [ 'log_id' => $logId ],
 582                         [ [
 583                                 'suppress',
 584                                 'delete',
 585                                 'testing deletion',
 586                                 (string)$user->getId(),
 587                                 $user->getName(),
 588                                 (string)$page->getTitle()->getNamespace(),
 589                                 $page->getTitle()->getDBkey(),
 590                         ] ],
 591                         [],
 592                         $actorQuery['joins'] + $commentQuery['joins']
 593                 );
 594
 595                 $this->assertNull(
 596                         $page->getContent( Revision::FOR_PUBLIC ),
 597                         "WikiPage::getContent should return null after the page was suppressed for general users"
 598                 );
 599
 600                 $this->assertNull(
 601                         $page->getContent( Revision::FOR_THIS_USER, null ),
 602                         "WikiPage::getContent should return null after the page was suppressed for user zero"
 603                 );
 604
 605                 $this->assertNull(
 606                         $page->getContent( Revision::FOR_THIS_USER, $user ),
 607                         "WikiPage::getContent should return null after the page was suppressed even for a sysop"
 608                 );
 609         }
 610
 611         /**
 612          * @covers WikiPage::doDeleteUpdates
 613          */
 614         public function testDoDeleteUpdates() {
 615                 $user = $this->getTestUser()->getUser();
 616                 $page = $this->createPage(
 617                         __METHOD__,
 618                         "[[original text]] foo",
 619                         CONTENT_MODEL_WIKITEXT
 620                 );
 621                 $id = $page->getId();
 622                 $page->loadPageData(); // make sure the current revision is cached.
 623
 624                 // Similar to MovePage logic
 625                 wfGetDB( DB_MASTER )->delete( 'page', [ 'page_id' => $id ], __METHOD__ );
 626                 $page->doDeleteUpdates( $page->getId(), $page->getContent(), $page->getRevision(), $user );
 627
 628                 // Run the job queue
 629                 JobQueueGroup::destroySingletons();
 630                 $jobs = new RunJobs;
 631                 $jobs->loadParamsAndArgs( null, [ 'quiet' => true ], null );
 632                 $jobs->execute();
 633
 634                 # ------------------------
 635                 $dbr = wfGetDB( DB_REPLICA );
 636                 $res = $dbr->select( 'pagelinks', '*', [ 'pl_from' => $id ] );
 637                 $n = $res->numRows();
 638                 $res->free();
 639
 640                 $this->assertSame( 0, $n, 'pagelinks should contain no more links from the page' );
 641         }
 642
 643         /**
 644          * @param string $name
 645          *
 646          * @return ContentHandler
 647          */
 648         protected function defineMockContentModelForUpdateTesting( $name ) {
 649                 /** @var ContentHandler|MockObject $handler */
 650                 $handler = $this->getMockBuilder( TextContentHandler::class )
 651                         ->setConstructorArgs( [ $name ] )
 652                         ->setMethods(
 653                                 [ 'getSecondaryDataUpdates', 'getDeletionUpdates', 'unserializeContent' ]
 654                         )
 655                         ->getMock();
 656
 657                 $dataUpdate = new MWCallableUpdate( 'time' );
 658                 $dataUpdate->_name = "$name data update";
 659
 660                 $deletionUpdate = new MWCallableUpdate( 'time' );
 661                 $deletionUpdate->_name = "$name deletion update";
 662
 663                 $handler->method( 'getSecondaryDataUpdates' )->willReturn( [ $dataUpdate ] );
 664                 $handler->method( 'getDeletionUpdates' )->willReturn( [ $deletionUpdate ] );
 665                 $handler->method( 'unserializeContent' )->willReturnCallback(
 666                         function ( $text ) use ( $handler ) {
 667                                 return $this->createMockContent( $handler, $text );
 668                         }
 669                 );
 670
 671                 $this->mergeMwGlobalArrayValue(
 672                         'wgContentHandlers', [
 673                                 $name => function () use ( $handler ){
 674                                         return $handler;
 675                                 }
 676                         ]
 677                 );
 678
 679                 return $handler;
 680         }
 681
 682         /**
 683          * @param ContentHandler $handler
 684          * @param string $text
 685          *
 686          * @return Content
 687          */
 688         protected function createMockContent( ContentHandler $handler, $text ) {
 689                 /** @var Content|MockObject $content */
 690                 $content = $this->getMockBuilder( TextContent::class )
 691                         ->setConstructorArgs( [ $text ] )
 692                         ->setMethods( [ 'getModel', 'getContentHandler' ] )
 693                         ->getMock();
 694
 695                 $content->method( 'getModel' )->willReturn( $handler->getModelID() );
 696                 $content->method( 'getContentHandler' )->willReturn( $handler );
 697
 698                 return $content;
 699         }
 700
 701         public function testGetDeletionUpdates() {
 702                 $m1 = $this->defineMockContentModelForUpdateTesting( 'M1' );
 703
 704                 $mainContent1 = $this->createMockContent( $m1, 'main 1' );
 705
 706                 $page = new WikiPage( Title::newFromText( __METHOD__ ) );
 707                 $page = $this->createPage(
 708                         $page,
 709                         [ 'main' => $mainContent1 ]
 710                 );
 711
 712                 $dataUpdates = $page->getDeletionUpdates( $page->getRevisionRecord() );
 713                 $this->assertNotEmpty( $dataUpdates );
 714
 715                 $updateNames = array_map( function ( $du ) {
 716                         return isset( $du->_name ) ? $du->_name : get_class( $du );
 717                 }, $dataUpdates );
 718
 719                 $this->assertContains( LinksDeletionUpdate::class, $updateNames );
 720                 $this->assertContains( 'M1 deletion update', $updateNames );
 721         }
 722
 723         /**
 724          * @covers WikiPage::getRevision
 725          */
 726         public function testGetRevision() {
 727                 $page = $this->newPage( __METHOD__ );
 728
 729                 $rev = $page->getRevision();
 730                 $this->assertNull( $rev );
 731
 732                 # -----------------
 733                 $this->createPage( $page, "some text", CONTENT_MODEL_WIKITEXT );
 734
 735                 $rev = $page->getRevision();
 736
 737                 $this->assertEquals( $page->getLatest(), $rev->getId() );
 738                 $this->assertEquals( "some text", $rev->getContent()->getText() );
 739         }
 740
 741         /**
 742          * @covers WikiPage::getContent
 743          */
 744         public function testGetContent() {
 745                 $page = $this->newPage( __METHOD__ );
 746
 747                 $content = $page->getContent();
 748                 $this->assertNull( $content );
 749
 750                 # -----------------
 751                 $this->createPage( $page, "some text", CONTENT_MODEL_WIKITEXT );
 752
 753                 $content = $page->getContent();
 754                 $this->assertEquals( "some text", $content->getText() );
 755         }
 756
 757         /**
 758          * @covers WikiPage::exists
 759          */
 760         public function testExists() {
 761                 $page = $this->newPage( __METHOD__ );
 762                 $this->assertFalse( $page->exists() );
 763
 764                 # -----------------
 765                 $this->createPage( $page, "some text", CONTENT_MODEL_WIKITEXT );
 766                 $this->assertTrue( $page->exists() );
 767
 768                 $page = new WikiPage( $page->getTitle() );
 769                 $this->assertTrue( $page->exists() );
 770
 771                 # -----------------
 772                 $page->doDeleteArticle( "done testing" );
 773                 $this->assertFalse( $page->exists() );
 774
 775                 $page = new WikiPage( $page->getTitle() );
 776                 $this->assertFalse( $page->exists() );
 777         }
 778
 779         public function provideHasViewableContent() {
 780                 return [
 781                         [ 'WikiPageTest_testHasViewableContent', false, true ],
 782                         [ 'Special:WikiPageTest_testHasViewableContent', false ],
 783                         [ 'MediaWiki:WikiPageTest_testHasViewableContent', false ],
 784                         [ 'Special:Userlogin', true ],
 785                         [ 'MediaWiki:help', true ],
 786                 ];
 787         }
 788
 789         /**
 790          * @dataProvider provideHasViewableContent
 791          * @covers WikiPage::hasViewableContent
 792          */
 793         public function testHasViewableContent( $title, $viewable, $create = false ) {
 794                 $page = $this->newPage( $title );
 795                 $this->assertEquals( $viewable, $page->hasViewableContent() );
 796
 797                 if ( $create ) {
 798                         $this->createPage( $page, "some text", CONTENT_MODEL_WIKITEXT );
 799                         $this->assertTrue( $page->hasViewableContent() );
 800
 801                         $page = new WikiPage( $page->getTitle() );
 802                         $this->assertTrue( $page->hasViewableContent() );
 803                 }
 804         }
 805
 806         public function provideGetRedirectTarget() {
 807                 return [
 808                         [ 'WikiPageTest_testGetRedirectTarget_1', CONTENT_MODEL_WIKITEXT, "hello world", null ],
 809                         [
 810                                 'WikiPageTest_testGetRedirectTarget_2',
 811                                 CONTENT_MODEL_WIKITEXT,
 812                                 "#REDIRECT [[hello world]]",
 813                                 "Hello world"
 814                         ],
 815                         // The below added to protect against Media namespace
 816                         // redirects which throw a fatal: (T203942)
 817                         [
 818                                 'WikiPageTest_testGetRedirectTarget_3',
 819                                 CONTENT_MODEL_WIKITEXT,
 820                                 "#REDIRECT [[Media:hello_world]]",
 821                                 "File:Hello world"
 822                         ],
 823                         // Test fragments longer than 255 bytes (T207876)
 824                         [
 825                                 'WikiPageTest_testGetRedirectTarget_4',
 826                                 CONTENT_MODEL_WIKITEXT,
 827                                 // phpcs:ignore Generic.Files.LineLength
 828                                 '#REDIRECT [[Foobar#🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿]]',
 829                                 // phpcs:ignore Generic.Files.LineLength
 830                                 'Foobar#🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬...'
 831                         ]
 832                 ];
 833         }
 834
 835         /**
 836          * @dataProvider provideGetRedirectTarget
 837          * @covers WikiPage::getRedirectTarget
 838          */
 839         public function testGetRedirectTarget( $title, $model, $text, $target ) {
 840                 $this->setMwGlobals( [
 841                         'wgCapitalLinks' => true,
 842                 ] );
 843
 844                 $page = $this->createPage( $title, $text, $model );
 845
 846                 # sanity check, because this test seems to fail for no reason for some people.
 847                 $c = $page->getContent();
 848                 $this->assertEquals( WikitextContent::class, get_class( $c ) );
 849
 850                 # now, test the actual redirect
 851                 $t = $page->getRedirectTarget();
 852                 $this->assertEquals( $target, $t ? $t->getFullText() : null );
 853         }
 854
 855         /**
 856          * @dataProvider provideGetRedirectTarget
 857          * @covers WikiPage::isRedirect
 858          */
 859         public function testIsRedirect( $title, $model, $text, $target ) {
 860                 $page = $this->createPage( $title, $text, $model );
 861                 $this->assertEquals( !is_null( $target ), $page->isRedirect() );
 862         }
 863
 864         public function provideIsCountable() {
 865                 return [
 866
 867                         // any
 868                         [ 'WikiPageTest_testIsCountable',
 869                                 CONTENT_MODEL_WIKITEXT,
 870                                 '',
 871                                 'any',
 872                                 true
 873                         ],
 874                         [ 'WikiPageTest_testIsCountable',
 875                                 CONTENT_MODEL_WIKITEXT,
 876                                 'Foo',
 877                                 'any',
 878                                 true
 879                         ],
 880
 881                         // link
 882                         [ 'WikiPageTest_testIsCountable',
 883                                 CONTENT_MODEL_WIKITEXT,
 884                                 'Foo',
 885                                 'link',
 886                                 false
 887                         ],
 888                         [ 'WikiPageTest_testIsCountable',
 889                                 CONTENT_MODEL_WIKITEXT,
 890                                 'Foo [[bar]]',
 891                                 'link',
 892                                 true
 893                         ],
 894
 895                         // redirects
 896                         [ 'WikiPageTest_testIsCountable',
 897                                 CONTENT_MODEL_WIKITEXT,
 898                                 '#REDIRECT [[bar]]',
 899                                 'any',
 900                                 false
 901                         ],
 902                         [ 'WikiPageTest_testIsCountable',
 903                                 CONTENT_MODEL_WIKITEXT,
 904                                 '#REDIRECT [[bar]]',
 905                                 'link',
 906                                 false
 907                         ],
 908
 909                         // not a content namespace
 910                         [ 'Talk:WikiPageTest_testIsCountable',
 911                                 CONTENT_MODEL_WIKITEXT,
 912                                 'Foo',
 913                                 'any',
 914                                 false
 915                         ],
 916                         [ 'Talk:WikiPageTest_testIsCountable',
 917                                 CONTENT_MODEL_WIKITEXT,
 918                                 'Foo [[bar]]',
 919                                 'link',
 920                                 false
 921                         ],
 922
 923                         // not a content namespace, different model
 924                         [ 'MediaWiki:WikiPageTest_testIsCountable.js',
 925                                 null,
 926                                 'Foo',
 927                                 'any',
 928                                 false
 929                         ],
 930                         [ 'MediaWiki:WikiPageTest_testIsCountable.js',
 931                                 null,
 932                                 'Foo [[bar]]',
 933                                 'link',
 934                                 false
 935                         ],
 936                 ];
 937         }
 938
 939         /**
 940          * @dataProvider provideIsCountable
 941          * @covers WikiPage::isCountable
 942          */
 943         public function testIsCountable( $title, $model, $text, $mode, $expected ) {
 944                 global $wgContentHandlerUseDB;
 945
 946                 $this->setMwGlobals( 'wgArticleCountMethod', $mode );
 947
 948                 $title = Title::newFromText( $title );
 949
 950                 if ( !$wgContentHandlerUseDB
 951                         && $model
 952                         && ContentHandler::getDefaultModelFor( $title ) != $model
 953                 ) {
 954                         $this->markTestSkipped( "Can not use non-default content model $model for "
 955                                 . $title->getPrefixedDBkey() . " with \$wgContentHandlerUseDB disabled." );
 956                 }
 957
 958                 $page = $this->createPage( $title, $text, $model );
 959
 960                 $editInfo = $page->prepareContentForEdit( $page->getContent() );
 961
 962                 $v = $page->isCountable();
 963                 $w = $page->isCountable( $editInfo );
 964
 965                 $this->assertEquals(
 966                         $expected,
 967                         $v,
 968                         "isCountable( null ) returned unexpected value " . var_export( $v, true )
 969                                 . " instead of " . var_export( $expected, true )
 970                         . " in mode `$mode` for text \"$text\""
 971                 );
 972
 973                 $this->assertEquals(
 974                         $expected,
 975                         $w,
 976                         "isCountable( \$editInfo ) returned unexpected value " . var_export( $v, true )
 977                                 . " instead of " . var_export( $expected, true )
 978                         . " in mode `$mode` for text \"$text\""
 979                 );
 980         }
 981
 982         public function provideGetParserOutput() {
 983                 return [
 984                         [
 985                                 CONTENT_MODEL_WIKITEXT,
 986                                 "hello ''world''\n",
 987                                 "<div class=\"mw-parser-output\"><p>hello <i>world</i></p></div>"
 988                         ],
 989                         // @todo more...?
 990                 ];
 991         }
 992
 993         /**
 994          * @dataProvider provideGetParserOutput
 995          * @covers WikiPage::getParserOutput
 996          */
 997         public function testGetParserOutput( $model, $text, $expectedHtml ) {
 998                 $page = $this->createPage( __METHOD__, $text, $model );
 999
1000                 $opt = $page->makeParserOptions( 'canonical' );
1001                 $po = $page->getParserOutput( $opt );
1002                 $text = $po->getText();
1003
1004                 $text = trim( preg_replace( '/<!--.*?-->/sm', '', $text ) ); # strip injected comments
1005                 $text = preg_replace( '!\s*(</p>|</div>)!sm', '\1', $text ); # don't let tidy confuse us
1006
1007                 $this->assertEquals( $expectedHtml, $text );
1008
1009                 return $po;
1010         }
1011
1012         /**
1013          * @covers WikiPage::getParserOutput
1014          */
1015         public function testGetParserOutput_nonexisting() {
1016                 $page = new WikiPage( Title::newFromText( __METHOD__ ) );
1017
1018                 $opt = new ParserOptions();
1019                 $po = $page->getParserOutput( $opt );
1020
1021                 $this->assertFalse( $po, "getParserOutput() shall return false for non-existing pages." );
1022         }
1023
1024         /**
1025          * @covers WikiPage::getParserOutput
1026          */
1027         public function testGetParserOutput_badrev() {
1028                 $page = $this->createPage( __METHOD__, 'dummy', CONTENT_MODEL_WIKITEXT );
1029
1030                 $opt = new ParserOptions();
1031                 $po = $page->getParserOutput( $opt, $page->getLatest() + 1234 );
1032
1033                 // @todo would be neat to also test deleted revision
1034
1035                 $this->assertFalse( $po, "getParserOutput() shall return false for non-existing revisions." );
1036         }
1037
1038         public static $sections =
1039
1040                 "Intro
1041
1042 == stuff ==
1043 hello world
1044
1045 == test ==
1046 just a test
1047
1048 == foo ==
1049 more stuff
1050 ";
1051
1052         public function dataReplaceSection() {
1053                 // NOTE: assume the Help namespace to contain wikitext
1054                 return [
1055                         [ 'Help:WikiPageTest_testReplaceSection',
1056                                 CONTENT_MODEL_WIKITEXT,
1057                                 self::$sections,
1058                                 "0",
1059                                 "No more",
1060                                 null,
1061                                 trim( preg_replace( '/^Intro/sm', 'No more', self::$sections ) )
1062                         ],
1063                         [ 'Help:WikiPageTest_testReplaceSection',
1064                                 CONTENT_MODEL_WIKITEXT,
1065                                 self::$sections,
1066                                 "",
1067                                 "No more",
1068                                 null,
1069                                 "No more"
1070                         ],
1071                         [ 'Help:WikiPageTest_testReplaceSection',
1072                                 CONTENT_MODEL_WIKITEXT,
1073                                 self::$sections,
1074                                 "2",
1075                                 "== TEST ==\nmore fun",
1076                                 null,
1077                                 trim( preg_replace( '/^== test ==.*== foo ==/sm',
1078                                         "== TEST ==\nmore fun\n\n== foo ==",
1079                                         self::$sections ) )
1080                         ],
1081                         [ 'Help:WikiPageTest_testReplaceSection',
1082                                 CONTENT_MODEL_WIKITEXT,
1083                                 self::$sections,
1084                                 "8",
1085                                 "No more",
1086                                 null,
1087                                 trim( self::$sections )
1088                         ],
1089                         [ 'Help:WikiPageTest_testReplaceSection',
1090                                 CONTENT_MODEL_WIKITEXT,
1091                                 self::$sections,
1092                                 "new",
1093                                 "No more",
1094                                 "New",
1095                                 trim( self::$sections ) . "\n\n== New ==\n\nNo more"
1096                         ],
1097                 ];
1098         }
1099
1100         /**
1101          * @dataProvider dataReplaceSection
1102          * @covers WikiPage::replaceSectionContent
1103          */
1104         public function testReplaceSectionContent( $title, $model, $text, $section,
1105                 $with, $sectionTitle, $expected
1106         ) {
1107                 $page = $this->createPage( $title, $text, $model );
1108
1109                 $content = ContentHandler::makeContent( $with, $page->getTitle(), $page->getContentModel() );
1110                 /** @var TextContent $c */
1111                 $c = $page->replaceSectionContent( $section, $content, $sectionTitle );
1112
1113                 $this->assertEquals( $expected, $c ? trim( $c->getText() ) : null );
1114         }
1115
1116         /**
1117          * @dataProvider dataReplaceSection
1118          * @covers WikiPage::replaceSectionAtRev
1119          */
1120         public function testReplaceSectionAtRev( $title, $model, $text, $section,
1121                 $with, $sectionTitle, $expected
1122         ) {
1123                 $page = $this->createPage( $title, $text, $model );
1124                 $baseRevId = $page->getLatest();
1125
1126                 $content = ContentHandler::makeContent( $with, $page->getTitle(), $page->getContentModel() );
1127                 /** @var TextContent $c */
1128                 $c = $page->replaceSectionAtRev( $section, $content, $sectionTitle, $baseRevId );
1129
1130                 $this->assertEquals( $expected, $c ? trim( $c->getText() ) : null );
1131         }
1132
1133         /**
1134          * @covers WikiPage::getOldestRevision
1135          */
1136         public function testGetOldestRevision() {
1137                 $page = $this->newPage( __METHOD__ );
1138                 $page->doEditContent(
1139                         new WikitextContent( 'one' ),
1140                         "first edit",
1141                         EDIT_NEW
1142                 );
1143                 $rev1 = $page->getRevision();
1144
1145                 $page = new WikiPage( $page->getTitle() );
1146                 $page->doEditContent(
1147                         new WikitextContent( 'two' ),
1148                         "second edit",
1149                         EDIT_UPDATE
1150                 );
1151
1152                 $page = new WikiPage( $page->getTitle() );
1153                 $page->doEditContent(
1154                         new WikitextContent( 'three' ),
1155                         "third edit",
1156                         EDIT_UPDATE
1157                 );
1158
1159                 // sanity check
1160                 $this->assertNotEquals(
1161                         $rev1->getId(),
1162                         $page->getRevision()->getId(),
1163                         '$page->getRevision()->getId()'
1164                 );
1165
1166                 // actual test
1167                 $this->assertEquals(
1168                         $rev1->getId(),
1169                         $page->getOldestRevision()->getId(),
1170                         '$page->getOldestRevision()->getId()'
1171                 );
1172         }
1173
1174         /**
1175          * @covers WikiPage::doRollback
1176          * @covers WikiPage::commitRollback
1177          */
1178         public function testDoRollback() {
1179                 // FIXME: fails under postgres
1180                 $this->markTestSkippedIfDbType( 'postgres' );
1181
1182                 $admin = $this->getTestSysop()->getUser();
1183                 $user1 = $this->getTestUser()->getUser();
1184                 // Use the confirmed group for user2 to make sure the user is different
1185                 $user2 = $this->getTestUser( [ 'confirmed' ] )->getUser();
1186
1187                 // make sure we can test autopatrolling
1188                 $this->setMwGlobals( 'wgUseRCPatrol', true );
1189
1190                 // TODO: MCR: test rollback of multiple slots!
1191                 $page = $this->newPage( __METHOD__ );
1192
1193                 // Make some edits
1194                 $text = "one";
1195                 $status1 = $page->doEditContent( ContentHandler::makeContent( $text, $page->getTitle() ),
1196                         "section one", EDIT_NEW, false, $admin );
1197
1198                 $text .= "\n\ntwo";
1199                 $status2 = $page->doEditContent( ContentHandler::makeContent( $text, $page->getTitle() ),
1200                         "adding section two", 0, false, $user1 );
1201
1202                 $text .= "\n\nthree";
1203                 $status3 = $page->doEditContent( ContentHandler::makeContent( $text, $page->getTitle() ),
1204                         "adding section three", 0, false, $user2 );
1205
1206                 /** @var Revision $rev1 */
1207                 /** @var Revision $rev2 */
1208                 /** @var Revision $rev3 */
1209                 $rev1 = $status1->getValue()['revision'];
1210                 $rev2 = $status2->getValue()['revision'];
1211                 $rev3 = $status3->getValue()['revision'];
1212
1213                 /**
1214                  * We are having issues with doRollback spuriously failing. Apparently
1215                  * the last revision somehow goes missing or not committed under some
1216                  * circumstances. So, make sure the revisions have the correct usernames.
1217                  */
1218                 $this->assertEquals( 3, Revision::countByPageId( wfGetDB( DB_REPLICA ), $page->getId() ) );
1219                 $this->assertEquals( $admin->getName(), $rev1->getUserText() );
1220                 $this->assertEquals( $user1->getName(), $rev2->getUserText() );
1221                 $this->assertEquals( $user2->getName(), $rev3->getUserText() );
1222
1223                 // Now, try the actual rollback
1224                 $token = $admin->getEditToken( 'rollback' );
1225                 $rollbackErrors = $page->doRollback(
1226                         $user2->getName(),
1227                         "testing rollback",
1228                         $token,
1229                         false,
1230                         $resultDetails,
1231                         $admin
1232                 );
1233
1234                 if ( $rollbackErrors ) {
1235                         $this->fail(
1236                                 "Rollback failed:\n" .
1237                                 print_r( $rollbackErrors, true ) . ";\n" .
1238                                 print_r( $resultDetails, true )
1239                         );
1240                 }
1241
1242                 $page = new WikiPage( $page->getTitle() );
1243                 $this->assertEquals( $rev2->getSha1(), $page->getRevision()->getSha1(),
1244                         "rollback did not revert to the correct revision" );
1245                 $this->assertEquals( "one\n\ntwo", $page->getContent()->getText() );
1246
1247                 $rc = MediaWikiServices::getInstance()->getRevisionStore()->getRecentChange(
1248                         $page->getRevision()->getRevisionRecord()
1249                 );
1250
1251                 $this->assertNotNull( $rc, 'RecentChanges entry' );
1252                 $this->assertEquals(
1253                         RecentChange::PRC_AUTOPATROLLED,
1254                         $rc->getAttribute( 'rc_patrolled' ),
1255                         'rc_patrolled'
1256                 );
1257
1258                 // TODO: MCR: assert origin once we write slot data
1259                 // $mainSlot = $page->getRevision()->getRevisionRecord()->getSlot( SlotRecord::MAIN );
1260                 // $this->assertTrue( $mainSlot->isInherited(), 'isInherited' );
1261                 // $this->assertSame( $rev2->getId(), $mainSlot->getOrigin(), 'getOrigin' );
1262         }
1263
1264         /**
1265          * @covers WikiPage::doRollback
1266          * @covers WikiPage::commitRollback
1267          */
1268         public function testDoRollbackFailureSameContent() {
1269                 $admin = $this->getTestSysop()->getUser();
1270
1271                 $text = "one";
1272                 $page = $this->newPage( __METHOD__ );
1273                 $page->doEditContent(
1274                         ContentHandler::makeContent( $text, $page->getTitle(), CONTENT_MODEL_WIKITEXT ),
1275                         "section one",
1276                         EDIT_NEW,
1277                         false,
1278                         $admin
1279                 );
1280                 $rev1 = $page->getRevision();
1281
1282                 $user1 = $this->getTestUser( [ 'sysop' ] )->getUser();
1283                 $text .= "\n\ntwo";
1284                 $page = new WikiPage( $page->getTitle() );
1285                 $page->doEditContent(
1286                         ContentHandler::makeContent( $text, $page->getTitle(), CONTENT_MODEL_WIKITEXT ),
1287                         "adding section two",
1288                         0,
1289                         false,
1290                         $user1
1291                 );
1292
1293                 # now, do a the rollback from the same user was doing the edit before
1294                 $resultDetails = [];
1295                 $token = $user1->getEditToken( 'rollback' );
1296                 $errors = $page->doRollback(
1297                         $user1->getName(),
1298                         "testing revert same user",
1299                         $token,
1300                         false,
1301                         $resultDetails,
1302                         $admin
1303                 );
1304
1305                 $this->assertEquals( [], $errors, "Rollback failed same user" );
1306
1307                 # now, try the rollback
1308                 $resultDetails = [];
1309                 $token = $admin->getEditToken( 'rollback' );
1310                 $errors = $page->doRollback(
1311                         $user1->getName(),
1312                         "testing revert",
1313                         $token,
1314                         false,
1315                         $resultDetails,
1316                         $admin
1317                 );
1318
1319                 $this->assertEquals(
1320                         [
1321                                 [
1322                                         'alreadyrolled',
1323                                         __METHOD__,
1324                                         $user1->getName(),
1325                                         $admin->getName(),
1326                                 ],
1327                         ],
1328                         $errors,
1329                         "Rollback not failed"
1330                 );
1331
1332                 $page = new WikiPage( $page->getTitle() );
1333                 $this->assertEquals( $rev1->getSha1(), $page->getRevision()->getSha1(),
1334                         "rollback did not revert to the correct revision" );
1335                 $this->assertEquals( "one", $page->getContent()->getText() );
1336         }
1337
1338         /**
1339          * Tests tagging for edits that do rollback action
1340          * @covers WikiPage::doRollback
1341          */
1342         public function testDoRollbackTagging() {
1343                 if ( !in_array( 'mw-rollback', ChangeTags::getSoftwareTags() ) ) {
1344                         $this->markTestSkipped( 'Rollback tag deactivated, skipped the test.' );
1345                 }
1346
1347                 $admin = new User();
1348                 $admin->setName( 'Administrator' );
1349                 $admin->addToDatabase();
1350
1351                 $text = 'First line';
1352                 $page = $this->newPage( 'WikiPageTest_testDoRollbackTagging' );
1353                 $page->doEditContent(
1354                         ContentHandler::makeContent( $text, $page->getTitle(), CONTENT_MODEL_WIKITEXT ),
1355                         'Added first line',
1356                         EDIT_NEW,
1357                         false,
1358                         $admin
1359                 );
1360
1361                 $secondUser = new User();
1362                 $secondUser->setName( '92.65.217.32' );
1363                 $text .= '\n\nSecond line';
1364                 $page = new WikiPage( $page->getTitle() );
1365                 $page->doEditContent(
1366                         ContentHandler::makeContent( $text, $page->getTitle(), CONTENT_MODEL_WIKITEXT ),
1367                         'Adding second line',
1368                         0,
1369                         false,
1370                         $secondUser
1371                 );
1372
1373                 // Now, try the rollback
1374                 $admin->addGroup( 'sysop' ); // Make the test user a sysop
1375                 MediaWikiServices::getInstance()->getPermissionManager()->invalidateUsersRightsCache();
1376                 $token = $admin->getEditToken( 'rollback' );
1377                 $errors = $page->doRollback(
1378                         $secondUser->getName(),
1379                         'testing rollback',
1380                         $token,
1381                         false,
1382                         $resultDetails,
1383                         $admin
1384                 );
1385
1386                 // If doRollback completed without errors
1387                 if ( $errors === [] ) {
1388                         $tags = $resultDetails[ 'tags' ];
1389                         $this->assertContains( 'mw-rollback', $tags );
1390                 }
1391         }
1392
1393         public function provideGetAutoDeleteReason() {
1394                 return [
1395                         [
1396                                 [],
1397                                 false,
1398                                 false
1399                         ],
1400
1401                         [
1402                                 [
1403                                         [ "first edit", null ],
1404                                 ],
1405                                 "/first edit.*only contributor/",
1406                                 false
1407                         ],
1408
1409                         [
1410                                 [
1411                                         [ "first edit", null ],
1412                                         [ "second edit", null ],
1413                                 ],
1414                                 "/second edit.*only contributor/",
1415                                 true
1416                         ],
1417
1418                         [
1419                                 [
1420                                         [ "first edit", "127.0.2.22" ],
1421                                         [ "second edit", "127.0.3.33" ],
1422                                 ],
1423                                 "/second edit/",
1424                                 true
1425                         ],
1426
1427                         [
1428                                 [
1429                                         [
1430                                                 "first edit: "
1431                                                         . "Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam "
1432                                                         . " nonumy eirmod tempor invidunt ut labore et dolore magna "
1433                                                         . "aliquyam erat, sed diam voluptua. At vero eos et accusam "
1434                                                         . "et justo duo dolores et ea rebum. Stet clita kasd gubergren, "
1435                                                         . "no sea  takimata sanctus est Lorem ipsum dolor sit amet. "
1436                                                         . " this here is some more filler content added to try and "
1437                                                         . "reach the maximum automatic summary length so that this is"
1438                                                         . " truncated ipot sodit colrad ut ad olve amit basul dat"
1439                                                         . "Dorbet romt crobit trop bri. DannyS712 put me here lor pe"
1440                                                         . " ode quob zot bozro see also T22281 for background pol sup"
1441                                                         . "Lorem ipsum dolor sit amet'",
1442                                                 null
1443                                         ],
1444                                 ],
1445                                 '/first edit:.*\.\.\."/',
1446                                 false
1447                         ],
1448
1449                         [
1450                                 [
1451                                         [ "first edit", "127.0.2.22" ],
1452                                         [ "", "127.0.3.33" ],
1453                                 ],
1454                                 "/before blanking.*first edit/",
1455                                 true
1456                         ],
1457
1458                 ];
1459         }
1460
1461         /**
1462          * @dataProvider provideGetAutoDeleteReason
1463          * @covers WikiPage::getAutoDeleteReason
1464          */
1465         public function testGetAutoDeleteReason( $edits, $expectedResult, $expectedHistory ) {
1466                 global $wgUser;
1467
1468                 // NOTE: assume Help namespace to contain wikitext
1469                 $page = $this->newPage( "Help:WikiPageTest_testGetAutoDeleteReason" );
1470
1471                 $c = 1;
1472
1473                 foreach ( $edits as $edit ) {
1474                         $user = new User();
1475
1476                         if ( !empty( $edit[1] ) ) {
1477                                 $user->setName( $edit[1] );
1478                         } else {
1479                                 $user = $wgUser;
1480                         }
1481
1482                         $content = ContentHandler::makeContent( $edit[0], $page->getTitle(), $page->getContentModel() );
1483
1484                         $page->doEditContent( $content, "test edit $c", $c < 2 ? EDIT_NEW : 0, false, $user );
1485
1486                         $c += 1;
1487                 }
1488
1489                 $reason = $page->getAutoDeleteReason( $hasHistory );
1490
1491                 if ( is_bool( $expectedResult ) || is_null( $expectedResult ) ) {
1492                         $this->assertEquals( $expectedResult, $reason );
1493                 } else {
1494                         $this->assertTrue( (bool)preg_match( $expectedResult, $reason ),
1495                                 "Autosummary didn't match expected pattern $expectedResult: $reason" );
1496                 }
1497
1498                 $this->assertEquals( $expectedHistory, $hasHistory,
1499                         "expected \$hasHistory to be " . var_export( $expectedHistory, true ) );
1500
1501                 $page->doDeleteArticle( "done" );
1502         }
1503
1504         public function providePreSaveTransform() {
1505                 return [
1506                         [ 'hello this is ~~~',
1507                                 "hello this is [[Special:Contributions/127.0.0.1|127.0.0.1]]",
1508                         ],
1509                         [ 'hello \'\'this\'\' is <nowiki>~~~</nowiki>',
1510                                 'hello \'\'this\'\' is <nowiki>~~~</nowiki>',
1511                         ],
1512                 ];
1513         }
1514
1515         /**
1516          * @covers WikiPage::factory
1517          */
1518         public function testWikiPageFactory() {
1519                 $title = Title::makeTitle( NS_FILE, 'Someimage.png' );
1520                 $page = WikiPage::factory( $title );
1521                 $this->assertEquals( WikiFilePage::class, get_class( $page ) );
1522
1523                 $title = Title::makeTitle( NS_CATEGORY, 'SomeCategory' );
1524                 $page = WikiPage::factory( $title );
1525                 $this->assertEquals( WikiCategoryPage::class, get_class( $page ) );
1526
1527                 $title = Title::makeTitle( NS_MAIN, 'SomePage' );
1528                 $page = WikiPage::factory( $title );
1529                 $this->assertEquals( WikiPage::class, get_class( $page ) );
1530         }
1531
1532         /**
1533          * @covers WikiPage::loadPageData
1534          * @covers WikiPage::wasLoadedFrom
1535          */
1536         public function testLoadPageData() {
1537                 $title = Title::makeTitle( NS_MAIN, 'SomePage' );
1538                 $page = WikiPage::factory( $title );
1539
1540                 $this->assertFalse( $page->wasLoadedFrom( IDBAccessObject::READ_NORMAL ) );
1541                 $this->assertFalse( $page->wasLoadedFrom( IDBAccessObject::READ_LATEST ) );
1542                 $this->assertFalse( $page->wasLoadedFrom( IDBAccessObject::READ_LOCKING ) );
1543                 $this->assertFalse( $page->wasLoadedFrom( IDBAccessObject::READ_EXCLUSIVE ) );
1544
1545                 $page->loadPageData( IDBAccessObject::READ_NORMAL );
1546                 $this->assertTrue( $page->wasLoadedFrom( IDBAccessObject::READ_NORMAL ) );
1547                 $this->assertFalse( $page->wasLoadedFrom( IDBAccessObject::READ_LATEST ) );
1548                 $this->assertFalse( $page->wasLoadedFrom( IDBAccessObject::READ_LOCKING ) );
1549                 $this->assertFalse( $page->wasLoadedFrom( IDBAccessObject::READ_EXCLUSIVE ) );
1550
1551                 $page->loadPageData( IDBAccessObject::READ_LATEST );
1552                 $this->assertTrue( $page->wasLoadedFrom( IDBAccessObject::READ_NORMAL ) );
1553                 $this->assertTrue( $page->wasLoadedFrom( IDBAccessObject::READ_LATEST ) );
1554                 $this->assertFalse( $page->wasLoadedFrom( IDBAccessObject::READ_LOCKING ) );
1555                 $this->assertFalse( $page->wasLoadedFrom( IDBAccessObject::READ_EXCLUSIVE ) );
1556
1557                 $page->loadPageData( IDBAccessObject::READ_LOCKING );
1558                 $this->assertTrue( $page->wasLoadedFrom( IDBAccessObject::READ_NORMAL ) );
1559                 $this->assertTrue( $page->wasLoadedFrom( IDBAccessObject::READ_LATEST ) );
1560                 $this->assertTrue( $page->wasLoadedFrom( IDBAccessObject::READ_LOCKING ) );
1561                 $this->assertFalse( $page->wasLoadedFrom( IDBAccessObject::READ_EXCLUSIVE ) );
1562
1563                 $page->loadPageData( IDBAccessObject::READ_EXCLUSIVE );
1564                 $this->assertTrue( $page->wasLoadedFrom( IDBAccessObject::READ_NORMAL ) );
1565                 $this->assertTrue( $page->wasLoadedFrom( IDBAccessObject::READ_LATEST ) );
1566                 $this->assertTrue( $page->wasLoadedFrom( IDBAccessObject::READ_LOCKING ) );
1567                 $this->assertTrue( $page->wasLoadedFrom( IDBAccessObject::READ_EXCLUSIVE ) );
1568         }
1569
1570         /**
1571          * @covers WikiPage::updateCategoryCounts
1572          */
1573         public function testUpdateCategoryCounts() {
1574                 $page = new WikiPage( Title::newFromText( __METHOD__ ) );
1575
1576                 // Add an initial category
1577                 $page->updateCategoryCounts( [ 'A' ], [], 0 );
1578
1579                 $this->assertEquals( 1, Category::newFromName( 'A' )->getPageCount() );
1580                 $this->assertSame( 0, Category::newFromName( 'B' )->getPageCount() );
1581                 $this->assertSame( 0, Category::newFromName( 'C' )->getPageCount() );
1582
1583                 // Add a new category
1584                 $page->updateCategoryCounts( [ 'B' ], [], 0 );
1585
1586                 $this->assertEquals( 1, Category::newFromName( 'A' )->getPageCount() );
1587                 $this->assertEquals( 1, Category::newFromName( 'B' )->getPageCount() );
1588                 $this->assertSame( 0, Category::newFromName( 'C' )->getPageCount() );
1589
1590                 // Add and remove a category
1591                 $page->updateCategoryCounts( [ 'C' ], [ 'A' ], 0 );
1592
1593                 $this->assertSame( 0, Category::newFromName( 'A' )->getPageCount() );
1594                 $this->assertEquals( 1, Category::newFromName( 'B' )->getPageCount() );
1595                 $this->assertEquals( 1, Category::newFromName( 'C' )->getPageCount() );
1596         }
1597
1598         public function provideUpdateRedirectOn() {
1599                 yield [ '#REDIRECT [[Foo]]', true, null, true, true, 0 ];
1600                 yield [ '#REDIRECT [[Foo]]', true, 'Foo', true, true, 1 ];
1601                 yield [ 'SomeText', false, null, false, true, 0 ];
1602                 yield [ 'SomeText', false, 'Foo', false, true, 1 ];
1603         }
1604
1605         /**
1606          * @dataProvider provideUpdateRedirectOn
1607          * @covers WikiPage::updateRedirectOn
1608          *
1609          * @param string $initialText
1610          * @param bool $initialRedirectState
1611          * @param string|null $redirectTitle
1612          * @param bool|null $lastRevIsRedirect
1613          * @param bool $expectedSuccess
1614          * @param int $expectedRowCount
1615          */
1616         public function testUpdateRedirectOn(
1617                 $initialText,
1618                 $initialRedirectState,
1619                 $redirectTitle,
1620                 $lastRevIsRedirect,
1621                 $expectedSuccess,
1622                 $expectedRowCount
1623         ) {
1624                 // FIXME: fails under sqlite and postgres
1625                 $this->markTestSkippedIfDbType( 'sqlite' );
1626                 $this->markTestSkippedIfDbType( 'postgres' );
1627                 static $pageCounter = 0;
1628                 $pageCounter++;
1629
1630                 $page = $this->createPage( Title::newFromText( __METHOD__ . $pageCounter ), $initialText );
1631                 $this->assertSame( $initialRedirectState, $page->isRedirect() );
1632
1633                 $redirectTitle = is_string( $redirectTitle )
1634                         ? Title::newFromText( $redirectTitle )
1635                         : $redirectTitle;
1636
1637                 $success = $page->updateRedirectOn( $this->db, $redirectTitle, $lastRevIsRedirect );
1638                 $this->assertSame( $expectedSuccess, $success, 'Success assertion' );
1639                 /**
1640                  * updateRedirectOn explicitly updates the redirect table (and not the page table).
1641                  * Most of core checks the page table for redirect status, so we have to be ugly and
1642                  * assert a select from the table here.
1643                  */
1644                 $this->assertRedirectTableCountForPageId( $page->getId(), $expectedRowCount );
1645         }
1646
1647         private function assertRedirectTableCountForPageId( $pageId, $expected ) {
1648                 $this->assertSelect(
1649                         'redirect',
1650                         'COUNT(*)',
1651                         [ 'rd_from' => $pageId ],
1652                         [ [ strval( $expected ) ] ]
1653                 );
1654         }
1655
1656         /**
1657          * @covers WikiPage::insertRedirectEntry
1658          */
1659         public function testInsertRedirectEntry_insertsRedirectEntry() {
1660                 $page = $this->createPage( Title::newFromText( __METHOD__ ), 'A' );
1661                 $this->assertRedirectTableCountForPageId( $page->getId(), 0 );
1662
1663                 $targetTitle = Title::newFromText( 'SomeTarget#Frag' );
1664                 $targetTitle->mInterwiki = 'eninter';
1665                 $page->insertRedirectEntry( $targetTitle, null );
1666
1667                 $this->assertSelect(
1668                         'redirect',
1669                         [ 'rd_from', 'rd_namespace', 'rd_title', 'rd_fragment', 'rd_interwiki' ],
1670                         [ 'rd_from' => $page->getId() ],
1671                         [ [
1672                                 strval( $page->getId() ),
1673                                 strval( $targetTitle->getNamespace() ),
1674                                 strval( $targetTitle->getDBkey() ),
1675                                 strval( $targetTitle->getFragment() ),
1676                                 strval( $targetTitle->getInterwiki() ),
1677                         ] ]
1678                 );
1679         }
1680
1681         /**
1682          * @covers WikiPage::insertRedirectEntry
1683          */
1684         public function testInsertRedirectEntry_insertsRedirectEntryWithPageLatest() {
1685                 $page = $this->createPage( Title::newFromText( __METHOD__ ), 'A' );
1686                 $this->assertRedirectTableCountForPageId( $page->getId(), 0 );
1687
1688                 $targetTitle = Title::newFromText( 'SomeTarget#Frag' );
1689                 $targetTitle->mInterwiki = 'eninter';
1690                 $page->insertRedirectEntry( $targetTitle, $page->getLatest() );
1691
1692                 $this->assertSelect(
1693                         'redirect',
1694                         [ 'rd_from', 'rd_namespace', 'rd_title', 'rd_fragment', 'rd_interwiki' ],
1695                         [ 'rd_from' => $page->getId() ],
1696                         [ [
1697                                 strval( $page->getId() ),
1698                                 strval( $targetTitle->getNamespace() ),
1699                                 strval( $targetTitle->getDBkey() ),
1700                                 strval( $targetTitle->getFragment() ),
1701                                 strval( $targetTitle->getInterwiki() ),
1702                         ] ]
1703                 );
1704         }
1705
1706         /**
1707          * @covers WikiPage::insertRedirectEntry
1708          */
1709         public function testInsertRedirectEntry_doesNotInsertIfPageLatestIncorrect() {
1710                 $page = $this->createPage( Title::newFromText( __METHOD__ ), 'A' );
1711                 $this->assertRedirectTableCountForPageId( $page->getId(), 0 );
1712
1713                 $targetTitle = Title::newFromText( 'SomeTarget#Frag' );
1714                 $targetTitle->mInterwiki = 'eninter';
1715                 $page->insertRedirectEntry( $targetTitle, 215251 );
1716
1717                 $this->assertRedirectTableCountForPageId( $page->getId(), 0 );
1718         }
1719
1720         private function getRow( array $overrides = [] ) {
1721                 $row = [
1722                         'page_id' => '44',
1723                         'page_len' => '76',
1724                         'page_is_redirect' => '1',
1725                         'page_latest' => '99',
1726                         'page_namespace' => '3',
1727                         'page_title' => 'JaJaTitle',
1728                         'page_restrictions' => 'edit=autoconfirmed,sysop:move=sysop',
1729                         'page_touched' => '20120101020202',
1730                         'page_links_updated' => '20140101020202',
1731                 ];
1732                 foreach ( $overrides as $key => $value ) {
1733                         $row[$key] = $value;
1734                 }
1735                 return (object)$row;
1736         }
1737
1738         public function provideNewFromRowSuccess() {
1739                 yield 'basic row' => [
1740                         $this->getRow(),
1741                         function ( WikiPage $wikiPage, self $test ) {
1742                                 $test->assertSame( 44, $wikiPage->getId() );
1743                                 $test->assertSame( 76, $wikiPage->getTitle()->getLength() );
1744                                 $test->assertTrue( $wikiPage->isRedirect() );
1745                                 $test->assertSame( 99, $wikiPage->getLatest() );
1746                                 $test->assertSame( 3, $wikiPage->getTitle()->getNamespace() );
1747                                 $test->assertSame( 'JaJaTitle', $wikiPage->getTitle()->getDBkey() );
1748                                 $test->assertSame(
1749                                         [
1750                                                 'edit' => [ 'autoconfirmed', 'sysop' ],
1751                                                 'move' => [ 'sysop' ],
1752                                         ],
1753                                         $wikiPage->getTitle()->getAllRestrictions()
1754                                 );
1755                                 $test->assertSame( '20120101020202', $wikiPage->getTouched() );
1756                                 $test->assertSame( '20140101020202', $wikiPage->getLinksTimestamp() );
1757                         }
1758                 ];
1759                 yield 'different timestamp formats' => [
1760                         $this->getRow( [
1761                                 'page_touched' => '2012-01-01 02:02:02',
1762                                 'page_links_updated' => '2014-01-01 02:02:02',
1763                         ] ),
1764                         function ( WikiPage $wikiPage, self $test ) {
1765                                 $test->assertSame( '20120101020202', $wikiPage->getTouched() );
1766                                 $test->assertSame( '20140101020202', $wikiPage->getLinksTimestamp() );
1767                         }
1768                 ];
1769                 yield 'no restrictions' => [
1770                         $this->getRow( [
1771                                 'page_restrictions' => '',
1772                         ] ),
1773                         function ( WikiPage $wikiPage, self $test ) {
1774                         $test->assertSame(
1775                                 [
1776                                         'edit' => [],
1777                                         'move' => [],
1778                                 ],
1779                                 $wikiPage->getTitle()->getAllRestrictions()
1780                         );
1781                         }
1782                 ];
1783                 yield 'not redirect' => [
1784                         $this->getRow( [
1785                                 'page_is_redirect' => '0',
1786                         ] ),
1787                         function ( WikiPage $wikiPage, self $test ) {
1788                                 $test->assertFalse( $wikiPage->isRedirect() );
1789                         }
1790                 ];
1791         }
1792
1793         /**
1794          * @covers WikiPage::newFromRow
1795          * @covers WikiPage::loadFromRow
1796          * @dataProvider provideNewFromRowSuccess
1797          *
1798          * @param object $row
1799          * @param callable $assertions
1800          */
1801         public function testNewFromRow( $row, $assertions ) {
1802                 $page = WikiPage::newFromRow( $row, 'fromdb' );
1803                 $assertions( $page, $this );
1804         }
1805
1806         public function provideTestNewFromId_returnsNullOnBadPageId() {
1807                 yield[ 0 ];
1808                 yield[ -11 ];
1809         }
1810
1811         /**
1812          * @covers WikiPage::newFromID
1813          * @dataProvider provideTestNewFromId_returnsNullOnBadPageId
1814          */
1815         public function testNewFromId_returnsNullOnBadPageId( $pageId ) {
1816                 $this->assertNull( WikiPage::newFromID( $pageId ) );
1817         }
1818
1819         /**
1820          * @covers WikiPage::newFromID
1821          */
1822         public function testNewFromId_appearsToFetchCorrectRow() {
1823                 $createdPage = $this->createPage( __METHOD__, 'Xsfaij09' );
1824                 $fetchedPage = WikiPage::newFromID( $createdPage->getId() );
1825                 $this->assertSame( $createdPage->getId(), $fetchedPage->getId() );
1826                 $this->assertEquals(
1827                         $createdPage->getContent()->getText(),
1828                         $fetchedPage->getContent()->getText()
1829                 );
1830         }
1831
1832         /**
1833          * @covers WikiPage::newFromID
1834          */
1835         public function testNewFromId_returnsNullOnNonExistingId() {
1836                 $this->assertNull( WikiPage::newFromID( 2147483647 ) );
1837         }
1838
1839         public function provideTestInsertProtectNullRevision() {
1840                 // phpcs:disable Generic.Files.LineLength
1841                 yield [
1842                         'goat-message-key',
1843                         [ 'edit' => 'sysop' ],
1844                         [ 'edit' => '20200101040404' ],
1845                         false,
1846                         'Goat Reason',
1847                         true,
1848                         '(goat-message-key: WikiPageDbTestBase::testInsertProtectNullRevision, UTSysop)(colon-separator)Goat Reason(word-separator)(parentheses: (protect-summary-desc: (restriction-edit), (protect-level-sysop), (protect-expiring: 04:04, 1 (january) 2020, 1 (january) 2020, 04:04)))'
1849                 ];
1850                 yield [
1851                         'goat-key',
1852                         [ 'edit' => 'sysop', 'move' => 'something' ],
1853                         [ 'edit' => '20200101040404', 'move' => '20210101050505' ],
1854                         false,
1855                         'Goat Goat',
1856                         true,
1857                         '(goat-key: WikiPageDbTestBase::testInsertProtectNullRevision, UTSysop)(colon-separator)Goat Goat(word-separator)(parentheses: (protect-summary-desc: (restriction-edit), (protect-level-sysop), (protect-expiring: 04:04, 1 (january) 2020, 1 (january) 2020, 04:04))(word-separator)(protect-summary-desc: (restriction-move), (protect-level-something), (protect-expiring: 05:05, 1 (january) 2021, 1 (january) 2021, 05:05)))'
1858                 ];
1859                 // phpcs:enable
1860         }
1861
1862         /**
1863          * @dataProvider provideTestInsertProtectNullRevision
1864          * @covers WikiPage::insertProtectNullRevision
1865          * @covers WikiPage::protectDescription
1866          *
1867          * @param string $revCommentMsg
1868          * @param array $limit
1869          * @param array $expiry
1870          * @param bool $cascade
1871          * @param string $reason
1872          * @param bool|null $user true if the test sysop should be used, or null
1873          * @param string $expectedComment
1874          */
1875         public function testInsertProtectNullRevision(
1876                 $revCommentMsg,
1877                 array $limit,
1878                 array $expiry,
1879                 $cascade,
1880                 $reason,
1881                 $user,
1882                 $expectedComment
1883         ) {
1884                 $this->setContentLang( 'qqx' );
1885
1886                 $page = $this->createPage( __METHOD__, 'Goat' );
1887
1888                 $user = $user === null ? $user : $this->getTestSysop()->getUser();
1889
1890                 $result = $page->insertProtectNullRevision(
1891                         $revCommentMsg,
1892                         $limit,
1893                         $expiry,
1894                         $cascade,
1895                         $reason,
1896                         $user
1897                 );
1898
1899                 $this->assertTrue( $result instanceof Revision );
1900                 $this->assertSame( $expectedComment, $result->getComment( Revision::RAW ) );
1901         }
1902
1903         /**
1904          * @covers WikiPage::updateRevisionOn
1905          */
1906         public function testUpdateRevisionOn_existingPage() {
1907                 $user = $this->getTestSysop()->getUser();
1908                 $page = $this->createPage( __METHOD__, 'StartText' );
1909
1910                 $revision = new Revision(
1911                         [
1912                                 'id' => 9989,
1913                                 'page' => $page->getId(),
1914                                 'title' => $page->getTitle(),
1915                                 'comment' => __METHOD__,
1916                                 'minor_edit' => true,
1917                                 'text' => __METHOD__ . '-text',
1918                                 'len' => strlen( __METHOD__ . '-text' ),
1919                                 'user' => $user->getId(),
1920                                 'user_text' => $user->getName(),
1921                                 'timestamp' => '20170707040404',
1922                                 'content_model' => CONTENT_MODEL_WIKITEXT,
1923                                 'content_format' => CONTENT_FORMAT_WIKITEXT,
1924                         ]
1925                 );
1926
1927                 $result = $page->updateRevisionOn( $this->db, $revision );
1928                 $this->assertTrue( $result );
1929                 $this->assertSame( 9989, $page->getLatest() );
1930                 $this->assertEquals( $revision, $page->getRevision() );
1931         }
1932
1933         /**
1934          * @covers WikiPage::updateRevisionOn
1935          */
1936         public function testUpdateRevisionOn_NonExistingPage() {
1937                 $user = $this->getTestSysop()->getUser();
1938                 $page = $this->createPage( __METHOD__, 'StartText' );
1939                 $page->doDeleteArticle( 'reason' );
1940
1941                 $revision = new Revision(
1942                         [
1943                                 'id' => 9989,
1944                                 'page' => $page->getId(),
1945                                 'title' => $page->getTitle(),
1946                                 'comment' => __METHOD__,
1947                                 'minor_edit' => true,
1948                                 'text' => __METHOD__ . '-text',
1949                                 'len' => strlen( __METHOD__ . '-text' ),
1950                                 'user' => $user->getId(),
1951                                 'user_text' => $user->getName(),
1952                                 'timestamp' => '20170707040404',
1953                                 'content_model' => CONTENT_MODEL_WIKITEXT,
1954                                 'content_format' => CONTENT_FORMAT_WIKITEXT,
1955                         ]
1956                 );
1957
1958                 $result = $page->updateRevisionOn( $this->db, $revision );
1959                 $this->assertFalse( $result );
1960         }
1961
1962         /**
1963          * @covers WikiPage::updateIfNewerOn
1964          */
1965         public function testUpdateIfNewerOn_olderRevision() {
1966                 $user = $this->getTestSysop()->getUser();
1967                 $page = $this->createPage( __METHOD__, 'StartText' );
1968                 $initialRevision = $page->getRevision();
1969
1970                 $olderTimeStamp = wfTimestamp(
1971                         TS_MW,
1972                         wfTimestamp( TS_UNIX, $initialRevision->getTimestamp() ) - 1
1973                 );
1974
1975                 $olderRevision = new Revision(
1976                         [
1977                                 'id' => 9989,
1978                                 'page' => $page->getId(),
1979                                 'title' => $page->getTitle(),
1980                                 'comment' => __METHOD__,
1981                                 'minor_edit' => true,
1982                                 'text' => __METHOD__ . '-text',
1983                                 'len' => strlen( __METHOD__ . '-text' ),
1984                                 'user' => $user->getId(),
1985                                 'user_text' => $user->getName(),
1986                                 'timestamp' => $olderTimeStamp,
1987                                 'content_model' => CONTENT_MODEL_WIKITEXT,
1988                                 'content_format' => CONTENT_FORMAT_WIKITEXT,
1989                         ]
1990                 );
1991
1992                 $result = $page->updateIfNewerOn( $this->db, $olderRevision );
1993                 $this->assertFalse( $result );
1994         }
1995
1996         /**
1997          * @covers WikiPage::updateIfNewerOn
1998          */
1999         public function testUpdateIfNewerOn_newerRevision() {
2000                 $user = $this->getTestSysop()->getUser();
2001                 $page = $this->createPage( __METHOD__, 'StartText' );
2002                 $initialRevision = $page->getRevision();
2003
2004                 $newerTimeStamp = wfTimestamp(
2005                         TS_MW,
2006                         wfTimestamp( TS_UNIX, $initialRevision->getTimestamp() ) + 1
2007                 );
2008
2009                 $newerRevision = new Revision(
2010                         [
2011                                 'id' => 9989,
2012                                 'page' => $page->getId(),
2013                                 'title' => $page->getTitle(),
2014                                 'comment' => __METHOD__,
2015                                 'minor_edit' => true,
2016                                 'text' => __METHOD__ . '-text',
2017                                 'len' => strlen( __METHOD__ . '-text' ),
2018                                 'user' => $user->getId(),
2019                                 'user_text' => $user->getName(),
2020                                 'timestamp' => $newerTimeStamp,
2021                                 'content_model' => CONTENT_MODEL_WIKITEXT,
2022                                 'content_format' => CONTENT_FORMAT_WIKITEXT,
2023                         ]
2024                 );
2025                 $result = $page->updateIfNewerOn( $this->db, $newerRevision );
2026                 $this->assertTrue( $result );
2027         }
2028
2029         /**
2030          * @covers WikiPage::insertOn
2031          */
2032         public function testInsertOn() {
2033                 $title = Title::newFromText( __METHOD__ );
2034                 $page = new WikiPage( $title );
2035
2036                 $startTimeStamp = wfTimestampNow();
2037                 $result = $page->insertOn( $this->db );
2038                 $endTimeStamp = wfTimestampNow();
2039
2040                 $this->assertInternalType( 'int', $result );
2041                 $this->assertTrue( $result > 0 );
2042
2043                 $condition = [ 'page_id' => $result ];
2044
2045                 // Check the default fields have been filled
2046                 $this->assertSelect(
2047                         'page',
2048                         [
2049                                 'page_namespace',
2050                                 'page_title',
2051                                 'page_restrictions',
2052                                 'page_is_redirect',
2053                                 'page_is_new',
2054                                 'page_latest',
2055                                 'page_len',
2056                         ],
2057                         $condition,
2058                         [ [
2059                                 '0',
2060                                 __METHOD__,
2061                                 '',
2062                                 '0',
2063                                 '1',
2064                                 '0',
2065                                 '0',
2066                         ] ]
2067                 );
2068
2069                 // Check the page_random field has been filled
2070                 $pageRandom = $this->db->selectField( 'page', 'page_random', $condition );
2071                 $this->assertTrue( (float)$pageRandom < 1 && (float)$pageRandom > 0 );
2072
2073                 // Assert the touched timestamp in the DB is roughly when we inserted the page
2074                 $pageTouched = $this->db->selectField( 'page', 'page_touched', $condition );
2075                 $this->assertTrue(
2076                         wfTimestamp( TS_UNIX, $startTimeStamp )
2077                         <= wfTimestamp( TS_UNIX, $pageTouched )
2078                 );
2079                 $this->assertTrue(
2080                         wfTimestamp( TS_UNIX, $endTimeStamp )
2081                         >= wfTimestamp( TS_UNIX, $pageTouched )
2082                 );
2083
2084                 // Try inserting the same page again and checking the result is false (no change)
2085                 $result = $page->insertOn( $this->db );
2086                 $this->assertFalse( $result );
2087         }
2088
2089         /**
2090          * @covers WikiPage::insertOn
2091          */
2092         public function testInsertOn_idSpecified() {
2093                 $title = Title::newFromText( __METHOD__ );
2094                 $page = new WikiPage( $title );
2095                 $id = 1478952189;
2096
2097                 $result = $page->insertOn( $this->db, $id );
2098
2099                 $this->assertSame( $id, $result );
2100
2101                 $condition = [ 'page_id' => $result ];
2102
2103                 // Check there is actually a row in the db
2104                 $this->assertSelect(
2105                         'page',
2106                         [ 'page_title' ],
2107                         $condition,
2108                         [ [ __METHOD__ ] ]
2109                 );
2110         }
2111
2112         public function provideTestDoUpdateRestrictions_setBasicRestrictions() {
2113                 // Note: Once the current dates passes the date in these tests they will fail.
2114                 yield 'move something' => [
2115                         true,
2116                         [ 'move' => 'something' ],
2117                         [],
2118                         [ 'edit' => [], 'move' => [ 'something' ] ],
2119                         [],
2120                 ];
2121                 yield 'move something, edit blank' => [
2122                         true,
2123                         [ 'move' => 'something', 'edit' => '' ],
2124                         [],
2125                         [ 'edit' => [], 'move' => [ 'something' ] ],
2126                         [],
2127                 ];
2128                 yield 'edit sysop, with expiry' => [
2129                         true,
2130                         [ 'edit' => 'sysop' ],
2131                         [ 'edit' => '21330101020202' ],
2132                         [ 'edit' => [ 'sysop' ], 'move' => [] ],
2133                         [ 'edit' => '21330101020202' ],
2134                 ];
2135                 yield 'move and edit, move with expiry' => [
2136                         true,
2137                         [ 'move' => 'something', 'edit' => 'another' ],
2138                         [ 'move' => '22220202010101' ],
2139                         [ 'edit' => [ 'another' ], 'move' => [ 'something' ] ],
2140                         [ 'move' => '22220202010101' ],
2141                 ];
2142                 yield 'move and edit, edit with infinity expiry' => [
2143                         true,
2144                         [ 'move' => 'something', 'edit' => 'another' ],
2145                         [ 'edit' => 'infinity' ],
2146                         [ 'edit' => [ 'another' ], 'move' => [ 'something' ] ],
2147                         [ 'edit' => 'infinity' ],
2148                 ];
2149                 yield 'non existing, create something' => [
2150                         false,
2151                         [ 'create' => 'something' ],
2152                         [],
2153                         [ 'create' => [ 'something' ] ],
2154                         [],
2155                 ];
2156                 yield 'non existing, create something with expiry' => [
2157                         false,
2158                         [ 'create' => 'something' ],
2159                         [ 'create' => '23451212112233' ],
2160                         [ 'create' => [ 'something' ] ],
2161                         [ 'create' => '23451212112233' ],
2162                 ];
2163         }
2164
2165         /**
2166          * @dataProvider provideTestDoUpdateRestrictions_setBasicRestrictions
2167          * @covers WikiPage::doUpdateRestrictions
2168          */
2169         public function testDoUpdateRestrictions_setBasicRestrictions(
2170                 $pageExists,
2171                 array $limit,
2172                 array $expiry,
2173                 array $expectedRestrictions,
2174                 array $expectedRestrictionExpiries
2175         ) {
2176                 if ( $pageExists ) {
2177                         $page = $this->createPage( __METHOD__, 'ABC' );
2178                 } else {
2179                         $page = new WikiPage( Title::newFromText( __METHOD__ . '-nonexist' ) );
2180                 }
2181                 $user = $this->getTestSysop()->getUser();
2182                 $cascade = false;
2183
2184                 $status = $page->doUpdateRestrictions( $limit, $expiry, $cascade, 'aReason', $user, [] );
2185
2186                 $logId = $status->getValue();
2187                 $allRestrictions = $page->getTitle()->getAllRestrictions();
2188
2189                 $this->assertTrue( $status->isGood() );
2190                 $this->assertInternalType( 'int', $logId );
2191                 $this->assertSame( $expectedRestrictions, $allRestrictions );
2192                 foreach ( $expectedRestrictionExpiries as $key => $value ) {
2193                         $this->assertSame( $value, $page->getTitle()->getRestrictionExpiry( $key ) );
2194                 }
2195
2196                 // Make sure the log entry looks good
2197                 // log_params is not checked here
2198                 $actorQuery = ActorMigration::newMigration()->getJoin( 'log_user' );
2199                 $commentQuery = MediaWikiServices::getInstance()->getCommentStore()->getJoin( 'log_comment' );
2200                 $this->assertSelect(
2201                         [ 'logging' ] + $actorQuery['tables'] + $commentQuery['tables'],
2202                         [
2203                                 'log_comment' => $commentQuery['fields']['log_comment_text'],
2204                                 'log_user' => $actorQuery['fields']['log_user'],
2205                                 'log_user_text' => $actorQuery['fields']['log_user_text'],
2206                                 'log_namespace',
2207                                 'log_title',
2208                         ],
2209                         [ 'log_id' => $logId ],
2210                         [ [
2211                                 'aReason',
2212                                 (string)$user->getId(),
2213                                 $user->getName(),
2214                                 (string)$page->getTitle()->getNamespace(),
2215                                 $page->getTitle()->getDBkey(),
2216                         ] ],
2217                         [],
2218                         $actorQuery['joins'] + $commentQuery['joins']
2219                 );
2220         }
2221
2222         /**
2223          * @covers WikiPage::doUpdateRestrictions
2224          */
2225         public function testDoUpdateRestrictions_failsOnReadOnly() {
2226                 $page = $this->createPage( __METHOD__, 'ABC' );
2227                 $user = $this->getTestSysop()->getUser();
2228                 $cascade = false;
2229
2230                 // Set read only
2231                 $readOnly = $this->getMockBuilder( ReadOnlyMode::class )
2232                         ->disableOriginalConstructor()
2233                         ->setMethods( [ 'isReadOnly', 'getReason' ] )
2234                         ->getMock();
2235                 $readOnly->expects( $this->once() )
2236                         ->method( 'isReadOnly' )
2237                         ->will( $this->returnValue( true ) );
2238                 $readOnly->expects( $this->once() )
2239                         ->method( 'getReason' )
2240                         ->will( $this->returnValue( 'Some Read Only Reason' ) );
2241                 $this->setService( 'ReadOnlyMode', $readOnly );
2242
2243                 $status = $page->doUpdateRestrictions( [], [], $cascade, 'aReason', $user, [] );
2244                 $this->assertFalse( $status->isOK() );
2245                 $this->assertSame( 'readonlytext', $status->getMessage()->getKey() );
2246         }
2247
2248         /**
2249          * @covers WikiPage::doUpdateRestrictions
2250          */
2251         public function testDoUpdateRestrictions_returnsGoodIfNothingChanged() {
2252                 $page = $this->createPage( __METHOD__, 'ABC' );
2253                 $user = $this->getTestSysop()->getUser();
2254                 $cascade = false;
2255                 $limit = [ 'edit' => 'sysop' ];
2256
2257                 $status = $page->doUpdateRestrictions(
2258                         $limit,
2259                         [],
2260                         $cascade,
2261                         'aReason',
2262                         $user,
2263                         []
2264                 );
2265
2266                 // The first entry should have a logId as it did something
2267                 $this->assertTrue( $status->isGood() );
2268                 $this->assertInternalType( 'int', $status->getValue() );
2269
2270                 $status = $page->doUpdateRestrictions(
2271                         $limit,
2272                         [],
2273                         $cascade,
2274                         'aReason',
2275                         $user,
2276                         []
2277                 );
2278
2279                 // The second entry should not have a logId as nothing changed
2280                 $this->assertTrue( $status->isGood() );
2281                 $this->assertNull( $status->getValue() );
2282         }
2283
2284         /**
2285          * @covers WikiPage::doUpdateRestrictions
2286          */
2287         public function testDoUpdateRestrictions_logEntryTypeAndAction() {
2288                 $page = $this->createPage( __METHOD__, 'ABC' );
2289                 $user = $this->getTestSysop()->getUser();
2290                 $cascade = false;
2291
2292                 // Protect the page
2293                 $status = $page->doUpdateRestrictions(
2294                         [ 'edit' => 'sysop' ],
2295                         [],
2296                         $cascade,
2297                         'aReason',
2298                         $user,
2299                         []
2300                 );
2301                 $this->assertTrue( $status->isGood() );
2302                 $this->assertInternalType( 'int', $status->getValue() );
2303                 $this->assertSelect(
2304                         'logging',
2305                         [ 'log_type', 'log_action' ],
2306                         [ 'log_id' => $status->getValue() ],
2307                         [ [ 'protect', 'protect' ] ]
2308                 );
2309
2310                 // Modify the protection
2311                 $status = $page->doUpdateRestrictions(
2312                         [ 'edit' => 'somethingElse' ],
2313                         [],
2314                         $cascade,
2315                         'aReason',
2316                         $user,
2317                         []
2318                 );
2319                 $this->assertTrue( $status->isGood() );
2320                 $this->assertInternalType( 'int', $status->getValue() );
2321                 $this->assertSelect(
2322                         'logging',
2323                         [ 'log_type', 'log_action' ],
2324                         [ 'log_id' => $status->getValue() ],
2325                         [ [ 'protect', 'modify' ] ]
2326                 );
2327
2328                 // Remove the protection
2329                 $status = $page->doUpdateRestrictions(
2330                         [],
2331                         [],
2332                         $cascade,
2333                         'aReason',
2334                         $user,
2335                         []
2336                 );
2337                 $this->assertTrue( $status->isGood() );
2338                 $this->assertInternalType( 'int', $status->getValue() );
2339                 $this->assertSelect(
2340                         'logging',
2341                         [ 'log_type', 'log_action' ],
2342                         [ 'log_id' => $status->getValue() ],
2343                         [ [ 'protect', 'unprotect' ] ]
2344                 );
2345         }
2346
2347         /**
2348          * @covers WikiPage::newPageUpdater
2349          * @covers WikiPage::getDerivedDataUpdater
2350          */
2351         public function testNewPageUpdater() {
2352                 $user = $this->getTestUser()->getUser();
2353                 $page = $this->newPage( __METHOD__, __METHOD__ );
2354
2355                 /** @var Content $content */
2356                 $content = $this->getMockBuilder( WikitextContent::class )
2357                         ->setConstructorArgs( [ 'Hello World' ] )
2358                         ->setMethods( [ 'getParserOutput' ] )
2359                         ->getMock();
2360                 $content->expects( $this->once() )
2361                         ->method( 'getParserOutput' )
2362                         ->willReturn( new ParserOutput( 'HTML' ) );
2363
2364                 $preparedEditBefore = $page->prepareContentForEdit( $content, null, $user );
2365
2366                 // provide context, so the cache can be kept in place
2367                 $slotsUpdate = new revisionSlotsUpdate();
2368                 $slotsUpdate->modifyContent( SlotRecord::MAIN, $content );
2369
2370                 $updater = $page->newPageUpdater( $user, $slotsUpdate );
2371                 $updater->setContent( SlotRecord::MAIN, $content );
2372                 $revision = $updater->saveRevision(
2373                         CommentStoreComment::newUnsavedComment( 'test' ),
2374                         EDIT_NEW
2375                 );
2376
2377                 $preparedEditAfter = $page->prepareContentForEdit( $content, $revision, $user );
2378
2379                 $this->assertSame( $revision->getId(), $page->getLatest() );
2380
2381                 // Parsed output must remain cached throughout.
2382                 $this->assertSame( $preparedEditBefore->output, $preparedEditAfter->output );
2383         }
2384
2385         /**
2386          * @covers WikiPage::newPageUpdater
2387          * @covers WikiPage::getDerivedDataUpdater
2388          */
2389         public function testGetDerivedDataUpdater() {
2390                 $admin = $this->getTestSysop()->getUser();
2391
2392                 /** @var object $page */
2393                 $page = $this->createPage( __METHOD__, __METHOD__ );
2394                 $page = TestingAccessWrapper::newFromObject( $page );
2395
2396                 $revision = $page->getRevision()->getRevisionRecord();
2397                 $user = $revision->getUser();
2398
2399                 $slotsUpdate = new RevisionSlotsUpdate();
2400                 $slotsUpdate->modifyContent( SlotRecord::MAIN, new WikitextContent( 'Hello World' ) );
2401
2402                 // get a virgin updater
2403                 $updater1 = $page->getDerivedDataUpdater( $user );
2404                 $this->assertFalse( $updater1->isUpdatePrepared() );
2405
2406                 $updater1->prepareUpdate( $revision );
2407
2408                 // Re-use updater with same revision or content, even if base changed
2409                 $this->assertSame( $updater1, $page->getDerivedDataUpdater( $user, $revision ) );
2410
2411                 $slotsUpdate = RevisionSlotsUpdate::newFromContent(
2412                         [ SlotRecord::MAIN => $revision->getContent( SlotRecord::MAIN ) ]
2413                 );
2414                 $this->assertSame( $updater1, $page->getDerivedDataUpdater( $user, null, $slotsUpdate ) );
2415
2416                 // Don't re-use for edit if base revision ID changed
2417                 $this->assertNotSame(
2418                         $updater1,
2419                         $page->getDerivedDataUpdater( $user, null, $slotsUpdate, true )
2420                 );
2421
2422                 // Don't re-use with different user
2423                 $updater2a = $page->getDerivedDataUpdater( $admin, null, $slotsUpdate );
2424                 $updater2a->prepareContent( $admin, $slotsUpdate, false );
2425
2426                 $updater2b = $page->getDerivedDataUpdater( $user, null, $slotsUpdate );
2427                 $updater2b->prepareContent( $user, $slotsUpdate, false );
2428                 $this->assertNotSame( $updater2a, $updater2b );
2429
2430                 // Don't re-use with different content
2431                 $updater3 = $page->getDerivedDataUpdater( $admin, null, $slotsUpdate );
2432                 $updater3->prepareUpdate( $revision );
2433                 $this->assertNotSame( $updater2b, $updater3 );
2434
2435                 // Don't re-use if no context given
2436                 $updater4 = $page->getDerivedDataUpdater( $admin );
2437                 $updater4->prepareUpdate( $revision );
2438                 $this->assertNotSame( $updater3, $updater4 );
2439
2440                 // Don't re-use if AGAIN no context given
2441                 $updater5 = $page->getDerivedDataUpdater( $admin );
2442                 $this->assertNotSame( $updater4, $updater5 );
2443
2444                 // Don't re-use cached "virgin" unprepared updater
2445                 $updater6 = $page->getDerivedDataUpdater( $admin, $revision );
2446                 $this->assertNotSame( $updater5, $updater6 );
2447         }
2448
2449         protected function assertPreparedEditEquals(
2450                 PreparedEdit $edit, PreparedEdit $edit2, $message = ''
2451         ) {
2452                 // suppress differences caused by a clock tick between generating the two PreparedEdits
2453                 if ( abs( $edit->timestamp - $edit2->timestamp ) < 3 ) {
2454                         $edit2 = clone $edit2;
2455                         $edit2->timestamp = $edit->timestamp;
2456                 }
2457                 $this->assertEquals( $edit, $edit2, $message );
2458         }
2459
2460         protected function assertPreparedEditNotEquals(
2461                 PreparedEdit $edit, PreparedEdit $edit2, $message = ''
2462         ) {
2463                 if ( abs( $edit->timestamp - $edit2->timestamp ) < 3 ) {
2464                         $edit2 = clone $edit2;
2465                         $edit2->timestamp = $edit->timestamp;
2466                 }
2467                 $this->assertNotEquals( $edit, $edit2, $message );
2468         }
2469
2470 }