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                 $this->overrideMwServices();
  70         }
  71
  72         protected function tearDown() {
  73                 foreach ( $this->pagesToDelete as $p ) {
  74                         /* @var WikiPage $p */
  75
  76                         try {
  77                                 if ( $p->exists() ) {
  78                                         $p->doDeleteArticle( "testing done." );
  79                                 }
  80                         } catch ( MWException $ex ) {
  81                                 // fail silently
  82                         }
  83                 }
  84                 parent::tearDown();
  85         }
  86
  87         abstract protected function getContentHandlerUseDB();
  88
  89         /**
  90          * @param Title|string $title
  91          * @param string|null $model
  92          * @return WikiPage
  93          */
  94         private function newPage( $title, $model = null ) {
  95                 if ( is_string( $title ) ) {
  96                         $ns = $this->getDefaultWikitextNS();
  97                         $title = Title::newFromText( $title, $ns );
  98                 }
  99
 100                 $p = new WikiPage( $title );
 101
 102                 $this->pagesToDelete[] = $p;
 103
 104                 return $p;
 105         }
 106
 107         /**
 108          * @param string|Title|WikiPage $page
 109          * @param string|Content|Content[] $content
 110          * @param int|null $model
 111          *
 112          * @return WikiPage
 113          */
 114         protected function createPage( $page, $content, $model = null, $user = null ) {
 115                 if ( is_string( $page ) || $page instanceof Title ) {
 116                         $page = $this->newPage( $page, $model );
 117                 }
 118
 119                 if ( !$user ) {
 120                         $user = $this->getTestUser()->getUser();
 121                 }
 122
 123                 if ( is_string( $content ) ) {
 124                         $content = ContentHandler::makeContent( $content, $page->getTitle(), $model );
 125                 }
 126
 127                 if ( !is_array( $content ) ) {
 128                         $content = [ 'main' => $content ];
 129                 }
 130
 131                 $updater = $page->newPageUpdater( $user );
 132
 133                 foreach ( $content as $role => $cnt ) {
 134                         $updater->setContent( $role, $cnt );
 135                 }
 136
 137                 $updater->saveRevision( CommentStoreComment::newUnsavedComment( "testing" ) );
 138                 if ( !$updater->wasSuccessful() ) {
 139                         $this->fail( $updater->getStatus()->getWikiText() );
 140                 }
 141
 142                 return $page;
 143         }
 144
 145         /**
 146          * @covers WikiPage::prepareContentForEdit
 147          */
 148         public function testPrepareContentForEdit() {
 149                 $user = $this->getTestUser()->getUser();
 150                 $sysop = $this->getTestUser( [ 'sysop' ] )->getUser();
 151
 152                 $page = $this->createPage( __METHOD__, __METHOD__, null, $user );
 153                 $title = $page->getTitle();
 154
 155                 $content = ContentHandler::makeContent(
 156                         "[[Lorem ipsum]] dolor sit amet, consetetur sadipscing elitr, sed diam "
 157                         . " nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat.",
 158                         $title,
 159                         CONTENT_MODEL_WIKITEXT
 160                 );
 161                 $content2 = ContentHandler::makeContent(
 162                         "At vero eos et accusam et justo duo [[dolores]] et ea rebum. "
 163                         . "Stet clita kasd [[gubergren]], no sea takimata sanctus est. ~~~~",
 164                         $title,
 165                         CONTENT_MODEL_WIKITEXT
 166                 );
 167
 168                 $edit = $page->prepareContentForEdit( $content, null, $user, null, false );
 169
 170                 $this->assertInstanceOf(
 171                         ParserOptions::class,
 172                         $edit->popts,
 173                         "pops"
 174                 );
 175                 $this->assertContains( '</a>', $edit->output->getText(), "output" );
 176                 $this->assertContains(
 177                         'consetetur sadipscing elitr',
 178                         $edit->output->getText(),
 179                         "output"
 180                 );
 181
 182                 $this->assertTrue( $content->equals( $edit->newContent ), "newContent field" );
 183                 $this->assertTrue( $content->equals( $edit->pstContent ), "pstContent field" );
 184                 $this->assertSame( $edit->output, $edit->output, "output field" );
 185                 $this->assertSame( $edit->popts, $edit->popts, "popts field" );
 186                 $this->assertSame( null, $edit->revid, "revid field" );
 187
 188                 // Re-using the prepared info if possible
 189                 $sameEdit = $page->prepareContentForEdit( $content, null, $user, null, false );
 190                 $this->assertPreparedEditEquals( $edit, $sameEdit, 'equivalent PreparedEdit' );
 191                 $this->assertSame( $edit->pstContent, $sameEdit->pstContent, 're-use output' );
 192                 $this->assertSame( $edit->output, $sameEdit->output, 're-use output' );
 193
 194                 // Not re-using the same PreparedEdit if not possible
 195                 $rev = $page->getRevision();
 196                 $edit2 = $page->prepareContentForEdit( $content2, null, $user, null, false );
 197                 $this->assertPreparedEditNotEquals( $edit, $edit2 );
 198                 $this->assertContains( 'At vero eos', $edit2->pstContent->serialize(), "content" );
 199
 200                 // Check pre-safe transform
 201                 $this->assertContains( '[[gubergren]]', $edit2->pstContent->serialize() );
 202                 $this->assertNotContains( '~~~~', $edit2->pstContent->serialize() );
 203
 204                 $edit3 = $page->prepareContentForEdit( $content2, null, $sysop, null, false );
 205                 $this->assertPreparedEditNotEquals( $edit2, $edit3 );
 206
 207                 // TODO: test with passing revision, then same without revision.
 208         }
 209
 210         /**
 211          * @covers WikiPage::doEditUpdates
 212          */
 213         public function testDoEditUpdates() {
 214                 $user = $this->getTestUser()->getUser();
 215
 216                 // NOTE: if site stats get out of whack and drop below 0,
 217                 // that causes a DB error during tear-down. So bump the
 218                 // numbers high enough to not drop below 0.
 219                 $siteStatsUpdate = SiteStatsUpdate::factory(
 220                         [ 'edits' => 1000, 'articles' => 1000, 'pages' => 1000 ]
 221                 );
 222                 $siteStatsUpdate->doUpdate();
 223
 224                 $page = $this->createPage( __METHOD__, __METHOD__ );
 225
 226                 $revision = new Revision(
 227                         [
 228                                 'id' => 9989,
 229                                 'page' => $page->getId(),
 230                                 'title' => $page->getTitle(),
 231                                 'comment' => __METHOD__,
 232                                 'minor_edit' => true,
 233                                 'text' => __METHOD__ . ' [[|foo]][[bar]]', // PST turns [[|foo]] into [[foo]]
 234                                 'user' => $user->getId(),
 235                                 'user_text' => $user->getName(),
 236                                 'timestamp' => '20170707040404',
 237                                 'content_model' => CONTENT_MODEL_WIKITEXT,
 238                                 'content_format' => CONTENT_FORMAT_WIKITEXT,
 239                         ]
 240                 );
 241
 242                 $page->doEditUpdates( $revision, $user );
 243
 244                 // TODO: test various options; needs temporary hooks
 245
 246                 $dbr = wfGetDB( DB_REPLICA );
 247                 $res = $dbr->select( 'pagelinks', '*', [ 'pl_from' => $page->getId() ] );
 248                 $n = $res->numRows();
 249                 $res->free();
 250
 251                 $this->assertEquals( 1, $n, 'pagelinks should contain only one link if PST was not applied' );
 252         }
 253
 254         /**
 255          * @covers WikiPage::doEditContent
 256          * @covers WikiPage::prepareContentForEdit
 257          */
 258         public function testDoEditContent() {
 259                 $this->setMwGlobals( 'wgPageCreationLog', true );
 260
 261                 $page = $this->newPage( __METHOD__ );
 262                 $title = $page->getTitle();
 263
 264                 $user1 = $this->getTestUser()->getUser();
 265                 // Use the confirmed group for user2 to make sure the user is different
 266                 $user2 = $this->getTestUser( [ 'confirmed' ] )->getUser();
 267
 268                 $content = ContentHandler::makeContent(
 269                         "[[Lorem ipsum]] dolor sit amet, consetetur sadipscing elitr, sed diam "
 270                                 . " nonumy eirmod tempor invidunt ut labore et dolore magna aliquyam erat.",
 271                         $title,
 272                         CONTENT_MODEL_WIKITEXT
 273                 );
 274
 275                 $preparedEditBefore = $page->prepareContentForEdit( $content, null, $user1 );
 276
 277                 $status = $page->doEditContent( $content, "[[testing]] 1", EDIT_NEW, false, $user1 );
 278
 279                 $this->assertTrue( $status->isOK(), 'OK' );
 280                 $this->assertTrue( $status->value['new'], 'new' );
 281                 $this->assertNotNull( $status->value['revision'], 'revision' );
 282                 $this->assertSame( $status->value['revision']->getId(), $page->getRevision()->getId() );
 283                 $this->assertSame( $status->value['revision']->getSha1(), $page->getRevision()->getSha1() );
 284                 $this->assertTrue( $status->value['revision']->getContent()->equals( $content ), 'equals' );
 285
 286                 $rev = $page->getRevision();
 287                 $preparedEditAfter = $page->prepareContentForEdit( $content, $rev, $user1 );
 288
 289                 $this->assertNotNull( $rev->getRecentChange() );
 290                 $this->assertSame( $rev->getId(), (int)$rev->getRecentChange()->getAttribute( 'rc_this_oldid' ) );
 291
 292                 // make sure that cached ParserOutput gets re-used throughout
 293                 $this->assertSame( $preparedEditBefore->output, $preparedEditAfter->output );
 294
 295                 $id = $page->getId();
 296
 297                 // Test page creation logging
 298                 $this->assertSelect(
 299                         'logging',
 300                         [ 'log_type', 'log_action' ],
 301                         [ 'log_page' => $id ],
 302                         [ [ 'create', 'create' ] ]
 303                 );
 304
 305                 $this->assertTrue( $title->getArticleID() > 0, "Title object should have new page id" );
 306                 $this->assertTrue( $id > 0, "WikiPage should have new page id" );
 307                 $this->assertTrue( $title->exists(), "Title object should indicate that the page now exists" );
 308                 $this->assertTrue( $page->exists(), "WikiPage object should indicate that the page now exists" );
 309
 310                 # ------------------------
 311                 $dbr = wfGetDB( DB_REPLICA );
 312                 $res = $dbr->select( 'pagelinks', '*', [ 'pl_from' => $id ] );
 313                 $n = $res->numRows();
 314                 $res->free();
 315
 316                 $this->assertEquals( 1, $n, 'pagelinks should contain one link from the page' );
 317
 318                 # ------------------------
 319                 $page = new WikiPage( $title );
 320
 321                 $retrieved = $page->getContent();
 322                 $this->assertTrue( $content->equals( $retrieved ), 'retrieved content doesn\'t equal original' );
 323
 324                 # ------------------------
 325                 $page = new WikiPage( $title );
 326
 327                 // try null edit, with a different user
 328                 $status = $page->doEditContent( $content, 'This changes nothing', EDIT_UPDATE, false, $user2 );
 329                 $this->assertTrue( $status->isOK(), 'OK' );
 330                 $this->assertFalse( $status->value['new'], 'new' );
 331                 $this->assertNull( $status->value['revision'], 'revision' );
 332                 $this->assertNotNull( $page->getRevision() );
 333                 $this->assertTrue( $page->getRevision()->getContent()->equals( $content ), 'equals' );
 334
 335                 # ------------------------
 336                 $content = ContentHandler::makeContent(
 337                         "At vero eos et accusam et justo duo [[dolores]] et ea rebum. "
 338                                 . "Stet clita kasd [[gubergren]], no sea takimata sanctus est. ~~~~",
 339                         $title,
 340                         CONTENT_MODEL_WIKITEXT
 341                 );
 342
 343                 $status = $page->doEditContent( $content, "testing 2", EDIT_UPDATE );
 344                 $this->assertTrue( $status->isOK(), 'OK' );
 345                 $this->assertFalse( $status->value['new'], 'new' );
 346                 $this->assertNotNull( $status->value['revision'], 'revision' );
 347                 $this->assertSame( $status->value['revision']->getId(), $page->getRevision()->getId() );
 348                 $this->assertSame( $status->value['revision']->getSha1(), $page->getRevision()->getSha1() );
 349                 $this->assertFalse(
 350                         $status->value['revision']->getContent()->equals( $content ),
 351                         'not equals (PST must substitute signature)'
 352                 );
 353
 354                 $rev = $page->getRevision();
 355                 $this->assertNotNull( $rev->getRecentChange() );
 356                 $this->assertSame( $rev->getId(), (int)$rev->getRecentChange()->getAttribute( 'rc_this_oldid' ) );
 357
 358                 # ------------------------
 359                 $page = new WikiPage( $title );
 360
 361                 $retrieved = $page->getContent();
 362                 $newText = $retrieved->serialize();
 363                 $this->assertContains( '[[gubergren]]', $newText, 'New text must replace old text.' );
 364                 $this->assertNotContains( '~~~~', $newText, 'PST must substitute signature.' );
 365
 366                 # ------------------------
 367                 $dbr = wfGetDB( DB_REPLICA );
 368                 $res = $dbr->select( 'pagelinks', '*', [ 'pl_from' => $id ] );
 369                 $n = $res->numRows();
 370                 $res->free();
 371
 372                 $this->assertEquals( 2, $n, 'pagelinks should contain two links from the page' );
 373         }
 374
 375         /**
 376          * @covers WikiPage::doEditContent
 377          */
 378         public function testDoEditContent_twice() {
 379                 $title = Title::newFromText( __METHOD__ );
 380                 $page = WikiPage::factory( $title );
 381                 $content = ContentHandler::makeContent( '$1 van $2', $title );
 382
 383                 // Make sure we can do the exact same save twice.
 384                 // This tests checks that internal caches are reset as appropriate.
 385                 $status1 = $page->doEditContent( $content, __METHOD__ );
 386                 $status2 = $page->doEditContent( $content, __METHOD__ );
 387
 388                 $this->assertTrue( $status1->isOK(), 'OK' );
 389                 $this->assertTrue( $status2->isOK(), 'OK' );
 390
 391                 $this->assertTrue( isset( $status1->value['revision'] ), 'OK' );
 392                 $this->assertFalse( isset( $status2->value['revision'] ), 'OK' );
 393         }
 394
 395         /**
 396          * Undeletion is covered in PageArchiveTest::testUndeleteRevisions()
 397          * TODO: Revision deletion
 398          *
 399          * @covers WikiPage::doDeleteArticle
 400          * @covers WikiPage::doDeleteArticleReal
 401          */
 402         public function testDoDeleteArticle() {
 403                 $page = $this->createPage(
 404                         __METHOD__,
 405                         "[[original text]] foo",
 406                         CONTENT_MODEL_WIKITEXT
 407                 );
 408                 $id = $page->getId();
 409
 410                 $page->doDeleteArticle( "testing deletion" );
 411
 412                 $this->assertFalse(
 413                         $page->getTitle()->getArticleID() > 0,
 414                         "Title object should now have page id 0"
 415                 );
 416                 $this->assertFalse( $page->getId() > 0, "WikiPage should now have page id 0" );
 417                 $this->assertFalse(
 418                         $page->exists(),
 419                         "WikiPage::exists should return false after page was deleted"
 420                 );
 421                 $this->assertNull(
 422                         $page->getContent(),
 423                         "WikiPage::getContent should return null after page was deleted"
 424                 );
 425
 426                 $t = Title::newFromText( $page->getTitle()->getPrefixedText() );
 427                 $this->assertFalse(
 428                         $t->exists(),
 429                         "Title::exists should return false after page was deleted"
 430                 );
 431
 432                 // Run the job queue
 433                 JobQueueGroup::destroySingletons();
 434                 $jobs = new RunJobs;
 435                 $jobs->loadParamsAndArgs( null, [ 'quiet' => true ], null );
 436                 $jobs->execute();
 437
 438                 # ------------------------
 439                 $dbr = wfGetDB( DB_REPLICA );
 440                 $res = $dbr->select( 'pagelinks', '*', [ 'pl_from' => $id ] );
 441                 $n = $res->numRows();
 442                 $res->free();
 443
 444                 $this->assertEquals( 0, $n, 'pagelinks should contain no more links from the page' );
 445         }
 446
 447         /**
 448          * @covers WikiPage::doDeleteArticleReal
 449          */
 450         public function testDoDeleteArticleReal_user0() {
 451                 $page = $this->createPage(
 452                         __METHOD__,
 453                         "[[original text]] foo",
 454                         CONTENT_MODEL_WIKITEXT
 455                 );
 456                 $id = $page->getId();
 457
 458                 $errorStack = '';
 459                 $status = $page->doDeleteArticleReal(
 460                         /* reason */ "testing user 0 deletion",
 461                         /* suppress */ false,
 462                         /* unused 1 */ null,
 463                         /* unused 2 */ null,
 464                         /* errorStack */ $errorStack,
 465                         null
 466                 );
 467                 $logId = $status->getValue();
 468                 $actorQuery = ActorMigration::newMigration()->getJoin( 'log_user' );
 469                 $commentQuery = MediaWikiServices::getInstance()->getCommentStore()->getJoin( 'log_comment' );
 470                 $this->assertSelect(
 471                         [ 'logging' ] + $actorQuery['tables'] + $commentQuery['tables'], /* table */
 472                         [
 473                                 'log_type',
 474                                 'log_action',
 475                                 'log_comment' => $commentQuery['fields']['log_comment_text'],
 476                                 'log_user' => $actorQuery['fields']['log_user'],
 477                                 'log_user_text' => $actorQuery['fields']['log_user_text'],
 478                                 'log_namespace',
 479                                 'log_title',
 480                         ],
 481                         [ 'log_id' => $logId ],
 482                         [ [
 483                                 'delete',
 484                                 'delete',
 485                                 'testing user 0 deletion',
 486                                 null,
 487                                 '127.0.0.1',
 488                                 (string)$page->getTitle()->getNamespace(),
 489                                 $page->getTitle()->getDBkey(),
 490                         ] ],
 491                         [],
 492                         $actorQuery['joins'] + $commentQuery['joins']
 493                 );
 494         }
 495
 496         /**
 497          * @covers WikiPage::doDeleteArticleReal
 498          */
 499         public function testDoDeleteArticleReal_userSysop() {
 500                 $page = $this->createPage(
 501                         __METHOD__,
 502                         "[[original text]] foo",
 503                         CONTENT_MODEL_WIKITEXT
 504                 );
 505                 $id = $page->getId();
 506
 507                 $user = $this->getTestSysop()->getUser();
 508                 $errorStack = '';
 509                 $status = $page->doDeleteArticleReal(
 510                         /* reason */ "testing sysop deletion",
 511                         /* suppress */ false,
 512                         /* unused 1 */ null,
 513                         /* unused 2 */ null,
 514                         /* errorStack */ $errorStack,
 515                         $user
 516                 );
 517                 $logId = $status->getValue();
 518                 $actorQuery = ActorMigration::newMigration()->getJoin( 'log_user' );
 519                 $commentQuery = MediaWikiServices::getInstance()->getCommentStore()->getJoin( 'log_comment' );
 520                 $this->assertSelect(
 521                         [ 'logging' ] + $actorQuery['tables'] + $commentQuery['tables'], /* table */
 522                         [
 523                                 'log_type',
 524                                 'log_action',
 525                                 'log_comment' => $commentQuery['fields']['log_comment_text'],
 526                                 'log_user' => $actorQuery['fields']['log_user'],
 527                                 'log_user_text' => $actorQuery['fields']['log_user_text'],
 528                                 'log_namespace',
 529                                 'log_title',
 530                         ],
 531                         [ 'log_id' => $logId ],
 532                         [ [
 533                                 'delete',
 534                                 'delete',
 535                                 'testing sysop deletion',
 536                                 (string)$user->getId(),
 537                                 $user->getName(),
 538                                 (string)$page->getTitle()->getNamespace(),
 539                                 $page->getTitle()->getDBkey(),
 540                         ] ],
 541                         [],
 542                         $actorQuery['joins'] + $commentQuery['joins']
 543                 );
 544         }
 545
 546         /**
 547          * TODO: Test more stuff about suppression.
 548          *
 549          * @covers WikiPage::doDeleteArticleReal
 550          */
 551         public function testDoDeleteArticleReal_suppress() {
 552                 $page = $this->createPage(
 553                         __METHOD__,
 554                         "[[original text]] foo",
 555                         CONTENT_MODEL_WIKITEXT
 556                 );
 557                 $id = $page->getId();
 558
 559                 $user = $this->getTestSysop()->getUser();
 560                 $errorStack = '';
 561                 $status = $page->doDeleteArticleReal(
 562                         /* reason */ "testing deletion",
 563                         /* suppress */ true,
 564                         /* unused 1 */ null,
 565                         /* unused 2 */ null,
 566                         /* errorStack */ $errorStack,
 567                         $user
 568                 );
 569                 $logId = $status->getValue();
 570                 $actorQuery = ActorMigration::newMigration()->getJoin( 'log_user' );
 571                 $commentQuery = MediaWikiServices::getInstance()->getCommentStore()->getJoin( 'log_comment' );
 572                 $this->assertSelect(
 573                         [ 'logging' ] + $actorQuery['tables'] + $commentQuery['tables'], /* table */
 574                         [
 575                                 'log_type',
 576                                 'log_action',
 577                                 'log_comment' => $commentQuery['fields']['log_comment_text'],
 578                                 'log_user' => $actorQuery['fields']['log_user'],
 579                                 'log_user_text' => $actorQuery['fields']['log_user_text'],
 580                                 'log_namespace',
 581                                 'log_title',
 582                         ],
 583                         [ 'log_id' => $logId ],
 584                         [ [
 585                                 'suppress',
 586                                 'delete',
 587                                 'testing deletion',
 588                                 (string)$user->getId(),
 589                                 $user->getName(),
 590                                 (string)$page->getTitle()->getNamespace(),
 591                                 $page->getTitle()->getDBkey(),
 592                         ] ],
 593                         [],
 594                         $actorQuery['joins'] + $commentQuery['joins']
 595                 );
 596
 597                 $this->assertNull(
 598                         $page->getContent( Revision::FOR_PUBLIC ),
 599                         "WikiPage::getContent should return null after the page was suppressed for general users"
 600                 );
 601
 602                 $this->assertNull(
 603                         $page->getContent( Revision::FOR_THIS_USER, null ),
 604                         "WikiPage::getContent should return null after the page was suppressed for user zero"
 605                 );
 606
 607                 $this->assertNull(
 608                         $page->getContent( Revision::FOR_THIS_USER, $user ),
 609                         "WikiPage::getContent should return null after the page was suppressed even for a sysop"
 610                 );
 611         }
 612
 613         /**
 614          * @covers WikiPage::doDeleteUpdates
 615          */
 616         public function testDoDeleteUpdates() {
 617                 $user = $this->getTestUser()->getUser();
 618                 $page = $this->createPage(
 619                         __METHOD__,
 620                         "[[original text]] foo",
 621                         CONTENT_MODEL_WIKITEXT
 622                 );
 623                 $id = $page->getId();
 624                 $page->loadPageData(); // make sure the current revision is cached.
 625
 626                 // Similar to MovePage logic
 627                 wfGetDB( DB_MASTER )->delete( 'page', [ 'page_id' => $id ], __METHOD__ );
 628                 $page->doDeleteUpdates( $page->getId(), $page->getContent(), $page->getRevision(), $user );
 629
 630                 // Run the job queue
 631                 JobQueueGroup::destroySingletons();
 632                 $jobs = new RunJobs;
 633                 $jobs->loadParamsAndArgs( null, [ 'quiet' => true ], null );
 634                 $jobs->execute();
 635
 636                 # ------------------------
 637                 $dbr = wfGetDB( DB_REPLICA );
 638                 $res = $dbr->select( 'pagelinks', '*', [ 'pl_from' => $id ] );
 639                 $n = $res->numRows();
 640                 $res->free();
 641
 642                 $this->assertEquals( 0, $n, 'pagelinks should contain no more links from the page' );
 643         }
 644
 645         /**
 646          * @param string $name
 647          *
 648          * @return ContentHandler
 649          */
 650         protected function defineMockContentModelForUpdateTesting( $name ) {
 651                 /** @var ContentHandler|MockObject $handler */
 652                 $handler = $this->getMockBuilder( TextContentHandler::class )
 653                         ->setConstructorArgs( [ $name ] )
 654                         ->setMethods(
 655                                 [ 'getSecondaryDataUpdates', 'getDeletionUpdates', 'unserializeContent' ]
 656                         )
 657                         ->getMock();
 658
 659                 $dataUpdate = new MWCallableUpdate( 'time' );
 660                 $dataUpdate->_name = "$name data update";
 661
 662                 $deletionUpdate = new MWCallableUpdate( 'time' );
 663                 $deletionUpdate->_name = "$name deletion update";
 664
 665                 $handler->method( 'getSecondaryDataUpdates' )->willReturn( [ $dataUpdate ] );
 666                 $handler->method( 'getDeletionUpdates' )->willReturn( [ $deletionUpdate ] );
 667                 $handler->method( 'unserializeContent' )->willReturnCallback(
 668                         function ( $text ) use ( $handler ) {
 669                                 return $this->createMockContent( $handler, $text );
 670                         }
 671                 );
 672
 673                 $this->mergeMwGlobalArrayValue(
 674                         'wgContentHandlers', [
 675                                 $name => function () use ( $handler ){
 676                                         return $handler;
 677                                 }
 678                         ]
 679                 );
 680
 681                 return $handler;
 682         }
 683
 684         /**
 685          * @param ContentHandler $handler
 686          * @param string $text
 687          *
 688          * @return Content
 689          */
 690         protected function createMockContent( ContentHandler $handler, $text ) {
 691                 /** @var Content|MockObject $content */
 692                 $content = $this->getMockBuilder( TextContent::class )
 693                         ->setConstructorArgs( [ $text ] )
 694                         ->setMethods( [ 'getModel', 'getContentHandler' ] )
 695                         ->getMock();
 696
 697                 $content->method( 'getModel' )->willReturn( $handler->getModelID() );
 698                 $content->method( 'getContentHandler' )->willReturn( $handler );
 699
 700                 return $content;
 701         }
 702
 703         public function testGetDeletionUpdates() {
 704                 $m1 = $this->defineMockContentModelForUpdateTesting( 'M1' );
 705
 706                 $mainContent1 = $this->createMockContent( $m1, 'main 1' );
 707
 708                 $page = new WikiPage( Title::newFromText( __METHOD__ ) );
 709                 $page = $this->createPage(
 710                         $page,
 711                         [ 'main' => $mainContent1 ]
 712                 );
 713
 714                 $dataUpdates = $page->getDeletionUpdates( $page->getRevisionRecord() );
 715                 $this->assertNotEmpty( $dataUpdates );
 716
 717                 $updateNames = array_map( function ( $du ) {
 718                         return isset( $du->_name ) ? $du->_name : get_class( $du );
 719                 }, $dataUpdates );
 720
 721                 $this->assertContains( LinksDeletionUpdate::class, $updateNames );
 722                 $this->assertContains( 'M1 deletion update', $updateNames );
 723         }
 724
 725         /**
 726          * @covers WikiPage::getRevision
 727          */
 728         public function testGetRevision() {
 729                 $page = $this->newPage( __METHOD__ );
 730
 731                 $rev = $page->getRevision();
 732                 $this->assertNull( $rev );
 733
 734                 # -----------------
 735                 $this->createPage( $page, "some text", CONTENT_MODEL_WIKITEXT );
 736
 737                 $rev = $page->getRevision();
 738
 739                 $this->assertEquals( $page->getLatest(), $rev->getId() );
 740                 $this->assertEquals( "some text", $rev->getContent()->getText() );
 741         }
 742
 743         /**
 744          * @covers WikiPage::getContent
 745          */
 746         public function testGetContent() {
 747                 $page = $this->newPage( __METHOD__ );
 748
 749                 $content = $page->getContent();
 750                 $this->assertNull( $content );
 751
 752                 # -----------------
 753                 $this->createPage( $page, "some text", CONTENT_MODEL_WIKITEXT );
 754
 755                 $content = $page->getContent();
 756                 $this->assertEquals( "some text", $content->getText() );
 757         }
 758
 759         /**
 760          * @covers WikiPage::exists
 761          */
 762         public function testExists() {
 763                 $page = $this->newPage( __METHOD__ );
 764                 $this->assertFalse( $page->exists() );
 765
 766                 # -----------------
 767                 $this->createPage( $page, "some text", CONTENT_MODEL_WIKITEXT );
 768                 $this->assertTrue( $page->exists() );
 769
 770                 $page = new WikiPage( $page->getTitle() );
 771                 $this->assertTrue( $page->exists() );
 772
 773                 # -----------------
 774                 $page->doDeleteArticle( "done testing" );
 775                 $this->assertFalse( $page->exists() );
 776
 777                 $page = new WikiPage( $page->getTitle() );
 778                 $this->assertFalse( $page->exists() );
 779         }
 780
 781         public function provideHasViewableContent() {
 782                 return [
 783                         [ 'WikiPageTest_testHasViewableContent', false, true ],
 784                         [ 'Special:WikiPageTest_testHasViewableContent', false ],
 785                         [ 'MediaWiki:WikiPageTest_testHasViewableContent', false ],
 786                         [ 'Special:Userlogin', true ],
 787                         [ 'MediaWiki:help', true ],
 788                 ];
 789         }
 790
 791         /**
 792          * @dataProvider provideHasViewableContent
 793          * @covers WikiPage::hasViewableContent
 794          */
 795         public function testHasViewableContent( $title, $viewable, $create = false ) {
 796                 $page = $this->newPage( $title );
 797                 $this->assertEquals( $viewable, $page->hasViewableContent() );
 798
 799                 if ( $create ) {
 800                         $this->createPage( $page, "some text", CONTENT_MODEL_WIKITEXT );
 801                         $this->assertTrue( $page->hasViewableContent() );
 802
 803                         $page = new WikiPage( $page->getTitle() );
 804                         $this->assertTrue( $page->hasViewableContent() );
 805                 }
 806         }
 807
 808         public function provideGetRedirectTarget() {
 809                 return [
 810                         [ 'WikiPageTest_testGetRedirectTarget_1', CONTENT_MODEL_WIKITEXT, "hello world", null ],
 811                         [
 812                                 'WikiPageTest_testGetRedirectTarget_2',
 813                                 CONTENT_MODEL_WIKITEXT,
 814                                 "#REDIRECT [[hello world]]",
 815                                 "Hello world"
 816                         ],
 817                         // The below added to protect against Media namespace
 818                         // redirects which throw a fatal: (T203942)
 819                         [
 820                                 'WikiPageTest_testGetRedirectTarget_3',
 821                                 CONTENT_MODEL_WIKITEXT,
 822                                 "#REDIRECT [[Media:hello_world]]",
 823                                 "File:Hello world"
 824                         ],
 825                         // Test fragments longer than 255 bytes (T207876)
 826                         [
 827                                 'WikiPageTest_testGetRedirectTarget_4',
 828                                 CONTENT_MODEL_WIKITEXT,
 829                                 // phpcs:ignore Generic.Files.LineLength
 830                                 '#REDIRECT [[Foobar#🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿]]',
 831                                 // phpcs:ignore Generic.Files.LineLength
 832                                 'Foobar#🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬󠁦󠁲󠁿🏴󠁮󠁬...'
 833                         ]
 834                 ];
 835         }
 836
 837         /**
 838          * @dataProvider provideGetRedirectTarget
 839          * @covers WikiPage::getRedirectTarget
 840          */
 841         public function testGetRedirectTarget( $title, $model, $text, $target ) {
 842                 $this->setMwGlobals( [
 843                         'wgCapitalLinks' => true,
 844                 ] );
 845
 846                 $page = $this->createPage( $title, $text, $model );
 847
 848                 # sanity check, because this test seems to fail for no reason for some people.
 849                 $c = $page->getContent();
 850                 $this->assertEquals( WikitextContent::class, get_class( $c ) );
 851
 852                 # now, test the actual redirect
 853                 $t = $page->getRedirectTarget();
 854                 $this->assertEquals( $target, $t ? $t->getFullText() : null );
 855         }
 856
 857         /**
 858          * @dataProvider provideGetRedirectTarget
 859          * @covers WikiPage::isRedirect
 860          */
 861         public function testIsRedirect( $title, $model, $text, $target ) {
 862                 $page = $this->createPage( $title, $text, $model );
 863                 $this->assertEquals( !is_null( $target ), $page->isRedirect() );
 864         }
 865
 866         public function provideIsCountable() {
 867                 return [
 868
 869                         // any
 870                         [ 'WikiPageTest_testIsCountable',
 871                                 CONTENT_MODEL_WIKITEXT,
 872                                 '',
 873                                 'any',
 874                                 true
 875                         ],
 876                         [ 'WikiPageTest_testIsCountable',
 877                                 CONTENT_MODEL_WIKITEXT,
 878                                 'Foo',
 879                                 'any',
 880                                 true
 881                         ],
 882
 883                         // link
 884                         [ 'WikiPageTest_testIsCountable',
 885                                 CONTENT_MODEL_WIKITEXT,
 886                                 'Foo',
 887                                 'link',
 888                                 false
 889                         ],
 890                         [ 'WikiPageTest_testIsCountable',
 891                                 CONTENT_MODEL_WIKITEXT,
 892                                 'Foo [[bar]]',
 893                                 'link',
 894                                 true
 895                         ],
 896
 897                         // redirects
 898                         [ 'WikiPageTest_testIsCountable',
 899                                 CONTENT_MODEL_WIKITEXT,
 900                                 '#REDIRECT [[bar]]',
 901                                 'any',
 902                                 false
 903                         ],
 904                         [ 'WikiPageTest_testIsCountable',
 905                                 CONTENT_MODEL_WIKITEXT,
 906                                 '#REDIRECT [[bar]]',
 907                                 'link',
 908                                 false
 909                         ],
 910
 911                         // not a content namespace
 912                         [ 'Talk:WikiPageTest_testIsCountable',
 913                                 CONTENT_MODEL_WIKITEXT,
 914                                 'Foo',
 915                                 'any',
 916                                 false
 917                         ],
 918                         [ 'Talk:WikiPageTest_testIsCountable',
 919                                 CONTENT_MODEL_WIKITEXT,
 920                                 'Foo [[bar]]',
 921                                 'link',
 922                                 false
 923                         ],
 924
 925                         // not a content namespace, different model
 926                         [ 'MediaWiki:WikiPageTest_testIsCountable.js',
 927                                 null,
 928                                 'Foo',
 929                                 'any',
 930                                 false
 931                         ],
 932                         [ 'MediaWiki:WikiPageTest_testIsCountable.js',
 933                                 null,
 934                                 'Foo [[bar]]',
 935                                 'link',
 936                                 false
 937                         ],
 938                 ];
 939         }
 940
 941         /**
 942          * @dataProvider provideIsCountable
 943          * @covers WikiPage::isCountable
 944          */
 945         public function testIsCountable( $title, $model, $text, $mode, $expected ) {
 946                 global $wgContentHandlerUseDB;
 947
 948                 $this->setMwGlobals( 'wgArticleCountMethod', $mode );
 949
 950                 $title = Title::newFromText( $title );
 951
 952                 if ( !$wgContentHandlerUseDB
 953                         && $model
 954                         && ContentHandler::getDefaultModelFor( $title ) != $model
 955                 ) {
 956                         $this->markTestSkipped( "Can not use non-default content model $model for "
 957                                 . $title->getPrefixedDBkey() . " with \$wgContentHandlerUseDB disabled." );
 958                 }
 959
 960                 $page = $this->createPage( $title, $text, $model );
 961
 962                 $editInfo = $page->prepareContentForEdit( $page->getContent() );
 963
 964                 $v = $page->isCountable();
 965                 $w = $page->isCountable( $editInfo );
 966
 967                 $this->assertEquals(
 968                         $expected,
 969                         $v,
 970                         "isCountable( null ) returned unexpected value " . var_export( $v, true )
 971                                 . " instead of " . var_export( $expected, true )
 972                         . " in mode `$mode` for text \"$text\""
 973                 );
 974
 975                 $this->assertEquals(
 976                         $expected,
 977                         $w,
 978                         "isCountable( \$editInfo ) returned unexpected value " . var_export( $v, true )
 979                                 . " instead of " . var_export( $expected, true )
 980                         . " in mode `$mode` for text \"$text\""
 981                 );
 982         }
 983
 984         public function provideGetParserOutput() {
 985                 return [
 986                         [
 987                                 CONTENT_MODEL_WIKITEXT,
 988                                 "hello ''world''\n",
 989                                 "<div class=\"mw-parser-output\"><p>hello <i>world</i></p></div>"
 990                         ],
 991                         // @todo more...?
 992                 ];
 993         }
 994
 995         /**
 996          * @dataProvider provideGetParserOutput
 997          * @covers WikiPage::getParserOutput
 998          */
 999         public function testGetParserOutput( $model, $text, $expectedHtml ) {
1000                 $page = $this->createPage( __METHOD__, $text, $model );
1001
1002                 $opt = $page->makeParserOptions( 'canonical' );
1003                 $po = $page->getParserOutput( $opt );
1004                 $text = $po->getText();
1005
1006                 $text = trim( preg_replace( '/<!--.*?-->/sm', '', $text ) ); # strip injected comments
1007                 $text = preg_replace( '!\s*(</p>|</div>)!sm', '\1', $text ); # don't let tidy confuse us
1008
1009                 $this->assertEquals( $expectedHtml, $text );
1010
1011                 return $po;
1012         }
1013
1014         /**
1015          * @covers WikiPage::getParserOutput
1016          */
1017         public function testGetParserOutput_nonexisting() {
1018                 $page = new WikiPage( Title::newFromText( __METHOD__ ) );
1019
1020                 $opt = new ParserOptions();
1021                 $po = $page->getParserOutput( $opt );
1022
1023                 $this->assertFalse( $po, "getParserOutput() shall return false for non-existing pages." );
1024         }
1025
1026         /**
1027          * @covers WikiPage::getParserOutput
1028          */
1029         public function testGetParserOutput_badrev() {
1030                 $page = $this->createPage( __METHOD__, 'dummy', CONTENT_MODEL_WIKITEXT );
1031
1032                 $opt = new ParserOptions();
1033                 $po = $page->getParserOutput( $opt, $page->getLatest() + 1234 );
1034
1035                 // @todo would be neat to also test deleted revision
1036
1037                 $this->assertFalse( $po, "getParserOutput() shall return false for non-existing revisions." );
1038         }
1039
1040         public static $sections =
1041
1042                 "Intro
1043
1044 == stuff ==
1045 hello world
1046
1047 == test ==
1048 just a test
1049
1050 == foo ==
1051 more stuff
1052 ";
1053
1054         public function dataReplaceSection() {
1055                 // NOTE: assume the Help namespace to contain wikitext
1056                 return [
1057                         [ 'Help:WikiPageTest_testReplaceSection',
1058                                 CONTENT_MODEL_WIKITEXT,
1059                                 self::$sections,
1060                                 "0",
1061                                 "No more",
1062                                 null,
1063                                 trim( preg_replace( '/^Intro/sm', 'No more', self::$sections ) )
1064                         ],
1065                         [ 'Help:WikiPageTest_testReplaceSection',
1066                                 CONTENT_MODEL_WIKITEXT,
1067                                 self::$sections,
1068                                 "",
1069                                 "No more",
1070                                 null,
1071                                 "No more"
1072                         ],
1073                         [ 'Help:WikiPageTest_testReplaceSection',
1074                                 CONTENT_MODEL_WIKITEXT,
1075                                 self::$sections,
1076                                 "2",
1077                                 "== TEST ==\nmore fun",
1078                                 null,
1079                                 trim( preg_replace( '/^== test ==.*== foo ==/sm',
1080                                         "== TEST ==\nmore fun\n\n== foo ==",
1081                                         self::$sections ) )
1082                         ],
1083                         [ 'Help:WikiPageTest_testReplaceSection',
1084                                 CONTENT_MODEL_WIKITEXT,
1085                                 self::$sections,
1086                                 "8",
1087                                 "No more",
1088                                 null,
1089                                 trim( self::$sections )
1090                         ],
1091                         [ 'Help:WikiPageTest_testReplaceSection',
1092                                 CONTENT_MODEL_WIKITEXT,
1093                                 self::$sections,
1094                                 "new",
1095                                 "No more",
1096                                 "New",
1097                                 trim( self::$sections ) . "\n\n== New ==\n\nNo more"
1098                         ],
1099                 ];
1100         }
1101
1102         /**
1103          * @dataProvider dataReplaceSection
1104          * @covers WikiPage::replaceSectionContent
1105          */
1106         public function testReplaceSectionContent( $title, $model, $text, $section,
1107                 $with, $sectionTitle, $expected
1108         ) {
1109                 $page = $this->createPage( $title, $text, $model );
1110
1111                 $content = ContentHandler::makeContent( $with, $page->getTitle(), $page->getContentModel() );
1112                 /** @var TextContent $c */
1113                 $c = $page->replaceSectionContent( $section, $content, $sectionTitle );
1114
1115                 $this->assertEquals( $expected, $c ? trim( $c->getText() ) : null );
1116         }
1117
1118         /**
1119          * @dataProvider dataReplaceSection
1120          * @covers WikiPage::replaceSectionAtRev
1121          */
1122         public function testReplaceSectionAtRev( $title, $model, $text, $section,
1123                 $with, $sectionTitle, $expected
1124         ) {
1125                 $page = $this->createPage( $title, $text, $model );
1126                 $baseRevId = $page->getLatest();
1127
1128                 $content = ContentHandler::makeContent( $with, $page->getTitle(), $page->getContentModel() );
1129                 /** @var TextContent $c */
1130                 $c = $page->replaceSectionAtRev( $section, $content, $sectionTitle, $baseRevId );
1131
1132                 $this->assertEquals( $expected, $c ? trim( $c->getText() ) : null );
1133         }
1134
1135         /**
1136          * @covers WikiPage::getOldestRevision
1137          */
1138         public function testGetOldestRevision() {
1139                 $page = $this->newPage( __METHOD__ );
1140                 $page->doEditContent(
1141                         new WikitextContent( 'one' ),
1142                         "first edit",
1143                         EDIT_NEW
1144                 );
1145                 $rev1 = $page->getRevision();
1146
1147                 $page = new WikiPage( $page->getTitle() );
1148                 $page->doEditContent(
1149                         new WikitextContent( 'two' ),
1150                         "second edit",
1151                         EDIT_UPDATE
1152                 );
1153
1154                 $page = new WikiPage( $page->getTitle() );
1155                 $page->doEditContent(
1156                         new WikitextContent( 'three' ),
1157                         "third edit",
1158                         EDIT_UPDATE
1159                 );
1160
1161                 // sanity check
1162                 $this->assertNotEquals(
1163                         $rev1->getId(),
1164                         $page->getRevision()->getId(),
1165                         '$page->getRevision()->getId()'
1166                 );
1167
1168                 // actual test
1169                 $this->assertEquals(
1170                         $rev1->getId(),
1171                         $page->getOldestRevision()->getId(),
1172                         '$page->getOldestRevision()->getId()'
1173                 );
1174         }
1175
1176         /**
1177          * @covers WikiPage::doRollback
1178          * @covers WikiPage::commitRollback
1179          */
1180         public function testDoRollback() {
1181                 // FIXME: fails under postgres
1182                 $this->markTestSkippedIfDbType( 'postgres' );
1183
1184                 $admin = $this->getTestSysop()->getUser();
1185                 $user1 = $this->getTestUser()->getUser();
1186                 // Use the confirmed group for user2 to make sure the user is different
1187                 $user2 = $this->getTestUser( [ 'confirmed' ] )->getUser();
1188
1189                 // make sure we can test autopatrolling
1190                 $this->setMwGlobals( 'wgUseRCPatrol', true );
1191
1192                 // TODO: MCR: test rollback of multiple slots!
1193                 $page = $this->newPage( __METHOD__ );
1194
1195                 // Make some edits
1196                 $text = "one";
1197                 $status1 = $page->doEditContent( ContentHandler::makeContent( $text, $page->getTitle() ),
1198                         "section one", EDIT_NEW, false, $admin );
1199
1200                 $text .= "\n\ntwo";
1201                 $status2 = $page->doEditContent( ContentHandler::makeContent( $text, $page->getTitle() ),
1202                         "adding section two", 0, false, $user1 );
1203
1204                 $text .= "\n\nthree";
1205                 $status3 = $page->doEditContent( ContentHandler::makeContent( $text, $page->getTitle() ),
1206                         "adding section three", 0, false, $user2 );
1207
1208                 /** @var Revision $rev1 */
1209                 /** @var Revision $rev2 */
1210                 /** @var Revision $rev3 */
1211                 $rev1 = $status1->getValue()['revision'];
1212                 $rev2 = $status2->getValue()['revision'];
1213                 $rev3 = $status3->getValue()['revision'];
1214
1215                 /**
1216                  * We are having issues with doRollback spuriously failing. Apparently
1217                  * the last revision somehow goes missing or not committed under some
1218                  * circumstances. So, make sure the revisions have the correct usernames.
1219                  */
1220                 $this->assertEquals( 3, Revision::countByPageId( wfGetDB( DB_REPLICA ), $page->getId() ) );
1221                 $this->assertEquals( $admin->getName(), $rev1->getUserText() );
1222                 $this->assertEquals( $user1->getName(), $rev2->getUserText() );
1223                 $this->assertEquals( $user2->getName(), $rev3->getUserText() );
1224
1225                 // Now, try the actual rollback
1226                 $token = $admin->getEditToken( 'rollback' );
1227                 $rollbackErrors = $page->doRollback(
1228                         $user2->getName(),
1229                         "testing rollback",
1230                         $token,
1231                         false,
1232                         $resultDetails,
1233                         $admin
1234                 );
1235
1236                 if ( $rollbackErrors ) {
1237                         $this->fail(
1238                                 "Rollback failed:\n" .
1239                                 print_r( $rollbackErrors, true ) . ";\n" .
1240                                 print_r( $resultDetails, true )
1241                         );
1242                 }
1243
1244                 $page = new WikiPage( $page->getTitle() );
1245                 $this->assertEquals( $rev2->getSha1(), $page->getRevision()->getSha1(),
1246                         "rollback did not revert to the correct revision" );
1247                 $this->assertEquals( "one\n\ntwo", $page->getContent()->getText() );
1248
1249                 $rc = MediaWikiServices::getInstance()->getRevisionStore()->getRecentChange(
1250                         $page->getRevision()->getRevisionRecord()
1251                 );
1252
1253                 $this->assertNotNull( $rc, 'RecentChanges entry' );
1254                 $this->assertEquals(
1255                         RecentChange::PRC_AUTOPATROLLED,
1256                         $rc->getAttribute( 'rc_patrolled' ),
1257                         'rc_patrolled'
1258                 );
1259
1260                 // TODO: MCR: assert origin once we write slot data
1261                 // $mainSlot = $page->getRevision()->getRevisionRecord()->getSlot( SlotRecord::MAIN );
1262                 // $this->assertTrue( $mainSlot->isInherited(), 'isInherited' );
1263                 // $this->assertSame( $rev2->getId(), $mainSlot->getOrigin(), 'getOrigin' );
1264         }
1265
1266         /**
1267          * @covers WikiPage::doRollback
1268          * @covers WikiPage::commitRollback
1269          */
1270         public function testDoRollbackFailureSameContent() {
1271                 $admin = $this->getTestSysop()->getUser();
1272
1273                 $text = "one";
1274                 $page = $this->newPage( __METHOD__ );
1275                 $page->doEditContent(
1276                         ContentHandler::makeContent( $text, $page->getTitle(), CONTENT_MODEL_WIKITEXT ),
1277                         "section one",
1278                         EDIT_NEW,
1279                         false,
1280                         $admin
1281                 );
1282                 $rev1 = $page->getRevision();
1283
1284                 $user1 = $this->getTestUser( [ 'sysop' ] )->getUser();
1285                 $text .= "\n\ntwo";
1286                 $page = new WikiPage( $page->getTitle() );
1287                 $page->doEditContent(
1288                         ContentHandler::makeContent( $text, $page->getTitle(), CONTENT_MODEL_WIKITEXT ),
1289                         "adding section two",
1290                         0,
1291                         false,
1292                         $user1
1293                 );
1294
1295                 # now, do a the rollback from the same user was doing the edit before
1296                 $resultDetails = [];
1297                 $token = $user1->getEditToken( 'rollback' );
1298                 $errors = $page->doRollback(
1299                         $user1->getName(),
1300                         "testing revert same user",
1301                         $token,
1302                         false,
1303                         $resultDetails,
1304                         $admin
1305                 );
1306
1307                 $this->assertEquals( [], $errors, "Rollback failed same user" );
1308
1309                 # now, try the rollback
1310                 $resultDetails = [];
1311                 $token = $admin->getEditToken( 'rollback' );
1312                 $errors = $page->doRollback(
1313                         $user1->getName(),
1314                         "testing revert",
1315                         $token,
1316                         false,
1317                         $resultDetails,
1318                         $admin
1319                 );
1320
1321                 $this->assertEquals(
1322                         [
1323                                 [
1324                                         'alreadyrolled',
1325                                         __METHOD__,
1326                                         $user1->getName(),
1327                                         $admin->getName(),
1328                                 ],
1329                         ],
1330                         $errors,
1331                         "Rollback not failed"
1332                 );
1333
1334                 $page = new WikiPage( $page->getTitle() );
1335                 $this->assertEquals( $rev1->getSha1(), $page->getRevision()->getSha1(),
1336                         "rollback did not revert to the correct revision" );
1337                 $this->assertEquals( "one", $page->getContent()->getText() );
1338         }
1339
1340         /**
1341          * Tests tagging for edits that do rollback action
1342          * @covers WikiPage::doRollback
1343          */
1344         public function testDoRollbackTagging() {
1345                 if ( !in_array( 'mw-rollback', ChangeTags::getSoftwareTags() ) ) {
1346                         $this->markTestSkipped( 'Rollback tag deactivated, skipped the test.' );
1347                 }
1348
1349                 $admin = new User();
1350                 $admin->setName( 'Administrator' );
1351                 $admin->addToDatabase();
1352
1353                 $text = 'First line';
1354                 $page = $this->newPage( 'WikiPageTest_testDoRollbackTagging' );
1355                 $page->doEditContent(
1356                         ContentHandler::makeContent( $text, $page->getTitle(), CONTENT_MODEL_WIKITEXT ),
1357                         'Added first line',
1358                         EDIT_NEW,
1359                         false,
1360                         $admin
1361                 );
1362
1363                 $secondUser = new User();
1364                 $secondUser->setName( '92.65.217.32' );
1365                 $text .= '\n\nSecond line';
1366                 $page = new WikiPage( $page->getTitle() );
1367                 $page->doEditContent(
1368                         ContentHandler::makeContent( $text, $page->getTitle(), CONTENT_MODEL_WIKITEXT ),
1369                         'Adding second line',
1370                         0,
1371                         false,
1372                         $secondUser
1373                 );
1374
1375                 // Now, try the rollback
1376                 $admin->addGroup( 'sysop' ); // Make the test user a sysop
1377                 MediaWikiServices::getInstance()->getPermissionManager()->invalidateUsersRightsCache();
1378                 $token = $admin->getEditToken( 'rollback' );
1379                 $errors = $page->doRollback(
1380                         $secondUser->getName(),
1381                         'testing rollback',
1382                         $token,
1383                         false,
1384                         $resultDetails,
1385                         $admin
1386                 );
1387
1388                 // If doRollback completed without errors
1389                 if ( $errors === [] ) {
1390                         $tags = $resultDetails[ 'tags' ];
1391                         $this->assertContains( 'mw-rollback', $tags );
1392                 }
1393         }
1394
1395         public function provideGetAutoDeleteReason() {
1396                 return [
1397                         [
1398                                 [],
1399                                 false,
1400                                 false
1401                         ],
1402
1403                         [
1404                                 [
1405                                         [ "first edit", null ],
1406                                 ],
1407                                 "/first edit.*only contributor/",
1408                                 false
1409                         ],
1410
1411                         [
1412                                 [
1413                                         [ "first edit", null ],
1414                                         [ "second edit", null ],
1415                                 ],
1416                                 "/second edit.*only contributor/",
1417                                 true
1418                         ],
1419
1420                         [
1421                                 [
1422                                         [ "first edit", "127.0.2.22" ],
1423                                         [ "second edit", "127.0.3.33" ],
1424                                 ],
1425                                 "/second edit/",
1426                                 true
1427                         ],
1428
1429                         [
1430                                 [
1431                                         [
1432                                                 "first edit: "
1433                                                         . "Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam "
1434                                                         . " nonumy eirmod tempor invidunt ut labore et dolore magna "
1435                                                         . "aliquyam erat, sed diam voluptua. At vero eos et accusam "
1436                                                         . "et justo duo dolores et ea rebum. Stet clita kasd gubergren, "
1437                                                         . "no sea  takimata sanctus est Lorem ipsum dolor sit amet. "
1438                                                         . " this here is some more filler content added to try and "
1439                                                         . "reach the maximum automatic summary length so that this is"
1440                                                         . " truncated ipot sodit colrad ut ad olve amit basul dat"
1441                                                         . "Dorbet romt crobit trop bri. DannyS712 put me here lor pe"
1442                                                         . " ode quob zot bozro see also T22281 for background pol sup"
1443                                                         . "Lorem ipsum dolor sit amet'",
1444                                                 null
1445                                         ],
1446                                 ],
1447                                 '/first edit:.*\.\.\."/',
1448                                 false
1449                         ],
1450
1451                         [
1452                                 [
1453                                         [ "first edit", "127.0.2.22" ],
1454                                         [ "", "127.0.3.33" ],
1455                                 ],
1456                                 "/before blanking.*first edit/",
1457                                 true
1458                         ],
1459
1460                 ];
1461         }
1462
1463         /**
1464          * @dataProvider provideGetAutoDeleteReason
1465          * @covers WikiPage::getAutoDeleteReason
1466          */
1467         public function testGetAutoDeleteReason( $edits, $expectedResult, $expectedHistory ) {
1468                 global $wgUser;
1469
1470                 // NOTE: assume Help namespace to contain wikitext
1471                 $page = $this->newPage( "Help:WikiPageTest_testGetAutoDeleteReason" );
1472
1473                 $c = 1;
1474
1475                 foreach ( $edits as $edit ) {
1476                         $user = new User();
1477
1478                         if ( !empty( $edit[1] ) ) {
1479                                 $user->setName( $edit[1] );
1480                         } else {
1481                                 $user = $wgUser;
1482                         }
1483
1484                         $content = ContentHandler::makeContent( $edit[0], $page->getTitle(), $page->getContentModel() );
1485
1486                         $page->doEditContent( $content, "test edit $c", $c < 2 ? EDIT_NEW : 0, false, $user );
1487
1488                         $c += 1;
1489                 }
1490
1491                 $reason = $page->getAutoDeleteReason( $hasHistory );
1492
1493                 if ( is_bool( $expectedResult ) || is_null( $expectedResult ) ) {
1494                         $this->assertEquals( $expectedResult, $reason );
1495                 } else {
1496                         $this->assertTrue( (bool)preg_match( $expectedResult, $reason ),
1497                                 "Autosummary didn't match expected pattern $expectedResult: $reason" );
1498                 }
1499
1500                 $this->assertEquals( $expectedHistory, $hasHistory,
1501                         "expected \$hasHistory to be " . var_export( $expectedHistory, true ) );
1502
1503                 $page->doDeleteArticle( "done" );
1504         }
1505
1506         public function providePreSaveTransform() {
1507                 return [
1508                         [ 'hello this is ~~~',
1509                                 "hello this is [[Special:Contributions/127.0.0.1|127.0.0.1]]",
1510                         ],
1511                         [ 'hello \'\'this\'\' is <nowiki>~~~</nowiki>',
1512                                 'hello \'\'this\'\' is <nowiki>~~~</nowiki>',
1513                         ],
1514                 ];
1515         }
1516
1517         /**
1518          * @covers WikiPage::factory
1519          */
1520         public function testWikiPageFactory() {
1521                 $title = Title::makeTitle( NS_FILE, 'Someimage.png' );
1522                 $page = WikiPage::factory( $title );
1523                 $this->assertEquals( WikiFilePage::class, get_class( $page ) );
1524
1525                 $title = Title::makeTitle( NS_CATEGORY, 'SomeCategory' );
1526                 $page = WikiPage::factory( $title );
1527                 $this->assertEquals( WikiCategoryPage::class, get_class( $page ) );
1528
1529                 $title = Title::makeTitle( NS_MAIN, 'SomePage' );
1530                 $page = WikiPage::factory( $title );
1531                 $this->assertEquals( WikiPage::class, get_class( $page ) );
1532         }
1533
1534         /**
1535          * @covers WikiPage::loadPageData
1536          * @covers WikiPage::wasLoadedFrom
1537          */
1538         public function testLoadPageData() {
1539                 $title = Title::makeTitle( NS_MAIN, 'SomePage' );
1540                 $page = WikiPage::factory( $title );
1541
1542                 $this->assertFalse( $page->wasLoadedFrom( IDBAccessObject::READ_NORMAL ) );
1543                 $this->assertFalse( $page->wasLoadedFrom( IDBAccessObject::READ_LATEST ) );
1544                 $this->assertFalse( $page->wasLoadedFrom( IDBAccessObject::READ_LOCKING ) );
1545                 $this->assertFalse( $page->wasLoadedFrom( IDBAccessObject::READ_EXCLUSIVE ) );
1546
1547                 $page->loadPageData( IDBAccessObject::READ_NORMAL );
1548                 $this->assertTrue( $page->wasLoadedFrom( IDBAccessObject::READ_NORMAL ) );
1549                 $this->assertFalse( $page->wasLoadedFrom( IDBAccessObject::READ_LATEST ) );
1550                 $this->assertFalse( $page->wasLoadedFrom( IDBAccessObject::READ_LOCKING ) );
1551                 $this->assertFalse( $page->wasLoadedFrom( IDBAccessObject::READ_EXCLUSIVE ) );
1552
1553                 $page->loadPageData( IDBAccessObject::READ_LATEST );
1554                 $this->assertTrue( $page->wasLoadedFrom( IDBAccessObject::READ_NORMAL ) );
1555                 $this->assertTrue( $page->wasLoadedFrom( IDBAccessObject::READ_LATEST ) );
1556                 $this->assertFalse( $page->wasLoadedFrom( IDBAccessObject::READ_LOCKING ) );
1557                 $this->assertFalse( $page->wasLoadedFrom( IDBAccessObject::READ_EXCLUSIVE ) );
1558
1559                 $page->loadPageData( IDBAccessObject::READ_LOCKING );
1560                 $this->assertTrue( $page->wasLoadedFrom( IDBAccessObject::READ_NORMAL ) );
1561                 $this->assertTrue( $page->wasLoadedFrom( IDBAccessObject::READ_LATEST ) );
1562                 $this->assertTrue( $page->wasLoadedFrom( IDBAccessObject::READ_LOCKING ) );
1563                 $this->assertFalse( $page->wasLoadedFrom( IDBAccessObject::READ_EXCLUSIVE ) );
1564
1565                 $page->loadPageData( IDBAccessObject::READ_EXCLUSIVE );
1566                 $this->assertTrue( $page->wasLoadedFrom( IDBAccessObject::READ_NORMAL ) );
1567                 $this->assertTrue( $page->wasLoadedFrom( IDBAccessObject::READ_LATEST ) );
1568                 $this->assertTrue( $page->wasLoadedFrom( IDBAccessObject::READ_LOCKING ) );
1569                 $this->assertTrue( $page->wasLoadedFrom( IDBAccessObject::READ_EXCLUSIVE ) );
1570         }
1571
1572         /**
1573          * @covers WikiPage::updateCategoryCounts
1574          */
1575         public function testUpdateCategoryCounts() {
1576                 $page = new WikiPage( Title::newFromText( __METHOD__ ) );
1577
1578                 // Add an initial category
1579                 $page->updateCategoryCounts( [ 'A' ], [], 0 );
1580
1581                 $this->assertEquals( 1, Category::newFromName( 'A' )->getPageCount() );
1582                 $this->assertEquals( 0, Category::newFromName( 'B' )->getPageCount() );
1583                 $this->assertEquals( 0, Category::newFromName( 'C' )->getPageCount() );
1584
1585                 // Add a new category
1586                 $page->updateCategoryCounts( [ 'B' ], [], 0 );
1587
1588                 $this->assertEquals( 1, Category::newFromName( 'A' )->getPageCount() );
1589                 $this->assertEquals( 1, Category::newFromName( 'B' )->getPageCount() );
1590                 $this->assertEquals( 0, Category::newFromName( 'C' )->getPageCount() );
1591
1592                 // Add and remove a category
1593                 $page->updateCategoryCounts( [ 'C' ], [ 'A' ], 0 );
1594
1595                 $this->assertEquals( 0, Category::newFromName( 'A' )->getPageCount() );
1596                 $this->assertEquals( 1, Category::newFromName( 'B' )->getPageCount() );
1597                 $this->assertEquals( 1, Category::newFromName( 'C' )->getPageCount() );
1598         }
1599
1600         public function provideUpdateRedirectOn() {
1601                 yield [ '#REDIRECT [[Foo]]', true, null, true, true, 0 ];
1602                 yield [ '#REDIRECT [[Foo]]', true, 'Foo', true, true, 1 ];
1603                 yield [ 'SomeText', false, null, false, true, 0 ];
1604                 yield [ 'SomeText', false, 'Foo', false, true, 1 ];
1605         }
1606
1607         /**
1608          * @dataProvider provideUpdateRedirectOn
1609          * @covers WikiPage::updateRedirectOn
1610          *
1611          * @param string $initialText
1612          * @param bool $initialRedirectState
1613          * @param string|null $redirectTitle
1614          * @param bool|null $lastRevIsRedirect
1615          * @param bool $expectedSuccess
1616          * @param int $expectedRowCount
1617          */
1618         public function testUpdateRedirectOn(
1619                 $initialText,
1620                 $initialRedirectState,
1621                 $redirectTitle,
1622                 $lastRevIsRedirect,
1623                 $expectedSuccess,
1624                 $expectedRowCount
1625         ) {
1626                 // FIXME: fails under sqlite and postgres
1627                 $this->markTestSkippedIfDbType( 'sqlite' );
1628                 $this->markTestSkippedIfDbType( 'postgres' );
1629                 static $pageCounter = 0;
1630                 $pageCounter++;
1631
1632                 $page = $this->createPage( Title::newFromText( __METHOD__ . $pageCounter ), $initialText );
1633                 $this->assertSame( $initialRedirectState, $page->isRedirect() );
1634
1635                 $redirectTitle = is_string( $redirectTitle )
1636                         ? Title::newFromText( $redirectTitle )
1637                         : $redirectTitle;
1638
1639                 $success = $page->updateRedirectOn( $this->db, $redirectTitle, $lastRevIsRedirect );
1640                 $this->assertSame( $expectedSuccess, $success, 'Success assertion' );
1641                 /**
1642                  * updateRedirectOn explicitly updates the redirect table (and not the page table).
1643                  * Most of core checks the page table for redirect status, so we have to be ugly and
1644                  * assert a select from the table here.
1645                  */
1646                 $this->assertRedirectTableCountForPageId( $page->getId(), $expectedRowCount );
1647         }
1648
1649         private function assertRedirectTableCountForPageId( $pageId, $expected ) {
1650                 $this->assertSelect(
1651                         'redirect',
1652                         'COUNT(*)',
1653                         [ 'rd_from' => $pageId ],
1654                         [ [ strval( $expected ) ] ]
1655                 );
1656         }
1657
1658         /**
1659          * @covers WikiPage::insertRedirectEntry
1660          */
1661         public function testInsertRedirectEntry_insertsRedirectEntry() {
1662                 $page = $this->createPage( Title::newFromText( __METHOD__ ), 'A' );
1663                 $this->assertRedirectTableCountForPageId( $page->getId(), 0 );
1664
1665                 $targetTitle = Title::newFromText( 'SomeTarget#Frag' );
1666                 $targetTitle->mInterwiki = 'eninter';
1667                 $page->insertRedirectEntry( $targetTitle, null );
1668
1669                 $this->assertSelect(
1670                         'redirect',
1671                         [ 'rd_from', 'rd_namespace', 'rd_title', 'rd_fragment', 'rd_interwiki' ],
1672                         [ 'rd_from' => $page->getId() ],
1673                         [ [
1674                                 strval( $page->getId() ),
1675                                 strval( $targetTitle->getNamespace() ),
1676                                 strval( $targetTitle->getDBkey() ),
1677                                 strval( $targetTitle->getFragment() ),
1678                                 strval( $targetTitle->getInterwiki() ),
1679                         ] ]
1680                 );
1681         }
1682
1683         /**
1684          * @covers WikiPage::insertRedirectEntry
1685          */
1686         public function testInsertRedirectEntry_insertsRedirectEntryWithPageLatest() {
1687                 $page = $this->createPage( Title::newFromText( __METHOD__ ), 'A' );
1688                 $this->assertRedirectTableCountForPageId( $page->getId(), 0 );
1689
1690                 $targetTitle = Title::newFromText( 'SomeTarget#Frag' );
1691                 $targetTitle->mInterwiki = 'eninter';
1692                 $page->insertRedirectEntry( $targetTitle, $page->getLatest() );
1693
1694                 $this->assertSelect(
1695                         'redirect',
1696                         [ 'rd_from', 'rd_namespace', 'rd_title', 'rd_fragment', 'rd_interwiki' ],
1697                         [ 'rd_from' => $page->getId() ],
1698                         [ [
1699                                 strval( $page->getId() ),
1700                                 strval( $targetTitle->getNamespace() ),
1701                                 strval( $targetTitle->getDBkey() ),
1702                                 strval( $targetTitle->getFragment() ),
1703                                 strval( $targetTitle->getInterwiki() ),
1704                         ] ]
1705                 );
1706         }
1707
1708         /**
1709          * @covers WikiPage::insertRedirectEntry
1710          */
1711         public function testInsertRedirectEntry_doesNotInsertIfPageLatestIncorrect() {
1712                 $page = $this->createPage( Title::newFromText( __METHOD__ ), 'A' );
1713                 $this->assertRedirectTableCountForPageId( $page->getId(), 0 );
1714
1715                 $targetTitle = Title::newFromText( 'SomeTarget#Frag' );
1716                 $targetTitle->mInterwiki = 'eninter';
1717                 $page->insertRedirectEntry( $targetTitle, 215251 );
1718
1719                 $this->assertRedirectTableCountForPageId( $page->getId(), 0 );
1720         }
1721
1722         private function getRow( array $overrides = [] ) {
1723                 $row = [
1724                         'page_id' => '44',
1725                         'page_len' => '76',
1726                         'page_is_redirect' => '1',
1727                         'page_latest' => '99',
1728                         'page_namespace' => '3',
1729                         'page_title' => 'JaJaTitle',
1730                         'page_restrictions' => 'edit=autoconfirmed,sysop:move=sysop',
1731                         'page_touched' => '20120101020202',
1732                         'page_links_updated' => '20140101020202',
1733                 ];
1734                 foreach ( $overrides as $key => $value ) {
1735                         $row[$key] = $value;
1736                 }
1737                 return (object)$row;
1738         }
1739
1740         public function provideNewFromRowSuccess() {
1741                 yield 'basic row' => [
1742                         $this->getRow(),
1743                         function ( WikiPage $wikiPage, self $test ) {
1744                                 $test->assertSame( 44, $wikiPage->getId() );
1745                                 $test->assertSame( 76, $wikiPage->getTitle()->getLength() );
1746                                 $test->assertTrue( $wikiPage->isRedirect() );
1747                                 $test->assertSame( 99, $wikiPage->getLatest() );
1748                                 $test->assertSame( 3, $wikiPage->getTitle()->getNamespace() );
1749                                 $test->assertSame( 'JaJaTitle', $wikiPage->getTitle()->getDBkey() );
1750                                 $test->assertSame(
1751                                         [
1752                                                 'edit' => [ 'autoconfirmed', 'sysop' ],
1753                                                 'move' => [ 'sysop' ],
1754                                         ],
1755                                         $wikiPage->getTitle()->getAllRestrictions()
1756                                 );
1757                                 $test->assertSame( '20120101020202', $wikiPage->getTouched() );
1758                                 $test->assertSame( '20140101020202', $wikiPage->getLinksTimestamp() );
1759                         }
1760                 ];
1761                 yield 'different timestamp formats' => [
1762                         $this->getRow( [
1763                                 'page_touched' => '2012-01-01 02:02:02',
1764                                 'page_links_updated' => '2014-01-01 02:02:02',
1765                         ] ),
1766                         function ( WikiPage $wikiPage, self $test ) {
1767                                 $test->assertSame( '20120101020202', $wikiPage->getTouched() );
1768                                 $test->assertSame( '20140101020202', $wikiPage->getLinksTimestamp() );
1769                         }
1770                 ];
1771                 yield 'no restrictions' => [
1772                         $this->getRow( [
1773                                 'page_restrictions' => '',
1774                         ] ),
1775                         function ( WikiPage $wikiPage, self $test ) {
1776                         $test->assertSame(
1777                                 [
1778                                         'edit' => [],
1779                                         'move' => [],
1780                                 ],
1781                                 $wikiPage->getTitle()->getAllRestrictions()
1782                         );
1783                         }
1784                 ];
1785                 yield 'not redirect' => [
1786                         $this->getRow( [
1787                                 'page_is_redirect' => '0',
1788                         ] ),
1789                         function ( WikiPage $wikiPage, self $test ) {
1790                                 $test->assertFalse( $wikiPage->isRedirect() );
1791                         }
1792                 ];
1793         }
1794
1795         /**
1796          * @covers WikiPage::newFromRow
1797          * @covers WikiPage::loadFromRow
1798          * @dataProvider provideNewFromRowSuccess
1799          *
1800          * @param object $row
1801          * @param callable $assertions
1802          */
1803         public function testNewFromRow( $row, $assertions ) {
1804                 $page = WikiPage::newFromRow( $row, 'fromdb' );
1805                 $assertions( $page, $this );
1806         }
1807
1808         public function provideTestNewFromId_returnsNullOnBadPageId() {
1809                 yield[ 0 ];
1810                 yield[ -11 ];
1811         }
1812
1813         /**
1814          * @covers WikiPage::newFromID
1815          * @dataProvider provideTestNewFromId_returnsNullOnBadPageId
1816          */
1817         public function testNewFromId_returnsNullOnBadPageId( $pageId ) {
1818                 $this->assertNull( WikiPage::newFromID( $pageId ) );
1819         }
1820
1821         /**
1822          * @covers WikiPage::newFromID
1823          */
1824         public function testNewFromId_appearsToFetchCorrectRow() {
1825                 $createdPage = $this->createPage( __METHOD__, 'Xsfaij09' );
1826                 $fetchedPage = WikiPage::newFromID( $createdPage->getId() );
1827                 $this->assertSame( $createdPage->getId(), $fetchedPage->getId() );
1828                 $this->assertEquals(
1829                         $createdPage->getContent()->getText(),
1830                         $fetchedPage->getContent()->getText()
1831                 );
1832         }
1833
1834         /**
1835          * @covers WikiPage::newFromID
1836          */
1837         public function testNewFromId_returnsNullOnNonExistingId() {
1838                 $this->assertNull( WikiPage::newFromID( 2147483647 ) );
1839         }
1840
1841         public function provideTestInsertProtectNullRevision() {
1842                 // phpcs:disable Generic.Files.LineLength
1843                 yield [
1844                         'goat-message-key',
1845                         [ 'edit' => 'sysop' ],
1846                         [ 'edit' => '20200101040404' ],
1847                         false,
1848                         'Goat Reason',
1849                         true,
1850                         '(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)))'
1851                 ];
1852                 yield [
1853                         'goat-key',
1854                         [ 'edit' => 'sysop', 'move' => 'something' ],
1855                         [ 'edit' => '20200101040404', 'move' => '20210101050505' ],
1856                         false,
1857                         'Goat Goat',
1858                         true,
1859                         '(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)))'
1860                 ];
1861                 // phpcs:enable
1862         }
1863
1864         /**
1865          * @dataProvider provideTestInsertProtectNullRevision
1866          * @covers WikiPage::insertProtectNullRevision
1867          * @covers WikiPage::protectDescription
1868          *
1869          * @param string $revCommentMsg
1870          * @param array $limit
1871          * @param array $expiry
1872          * @param bool $cascade
1873          * @param string $reason
1874          * @param bool|null $user true if the test sysop should be used, or null
1875          * @param string $expectedComment
1876          */
1877         public function testInsertProtectNullRevision(
1878                 $revCommentMsg,
1879                 array $limit,
1880                 array $expiry,
1881                 $cascade,
1882                 $reason,
1883                 $user,
1884                 $expectedComment
1885         ) {
1886                 $this->setContentLang( 'qqx' );
1887
1888                 $page = $this->createPage( __METHOD__, 'Goat' );
1889
1890                 $user = $user === null ? $user : $this->getTestSysop()->getUser();
1891
1892                 $result = $page->insertProtectNullRevision(
1893                         $revCommentMsg,
1894                         $limit,
1895                         $expiry,
1896                         $cascade,
1897                         $reason,
1898                         $user
1899                 );
1900
1901                 $this->assertTrue( $result instanceof Revision );
1902                 $this->assertSame( $expectedComment, $result->getComment( Revision::RAW ) );
1903         }
1904
1905         /**
1906          * @covers WikiPage::updateRevisionOn
1907          */
1908         public function testUpdateRevisionOn_existingPage() {
1909                 $user = $this->getTestSysop()->getUser();
1910                 $page = $this->createPage( __METHOD__, 'StartText' );
1911
1912                 $revision = new Revision(
1913                         [
1914                                 'id' => 9989,
1915                                 'page' => $page->getId(),
1916                                 'title' => $page->getTitle(),
1917                                 'comment' => __METHOD__,
1918                                 'minor_edit' => true,
1919                                 'text' => __METHOD__ . '-text',
1920                                 'len' => strlen( __METHOD__ . '-text' ),
1921                                 'user' => $user->getId(),
1922                                 'user_text' => $user->getName(),
1923                                 'timestamp' => '20170707040404',
1924                                 'content_model' => CONTENT_MODEL_WIKITEXT,
1925                                 'content_format' => CONTENT_FORMAT_WIKITEXT,
1926                         ]
1927                 );
1928
1929                 $result = $page->updateRevisionOn( $this->db, $revision );
1930                 $this->assertTrue( $result );
1931                 $this->assertSame( 9989, $page->getLatest() );
1932                 $this->assertEquals( $revision, $page->getRevision() );
1933         }
1934
1935         /**
1936          * @covers WikiPage::updateRevisionOn
1937          */
1938         public function testUpdateRevisionOn_NonExistingPage() {
1939                 $user = $this->getTestSysop()->getUser();
1940                 $page = $this->createPage( __METHOD__, 'StartText' );
1941                 $page->doDeleteArticle( 'reason' );
1942
1943                 $revision = new Revision(
1944                         [
1945                                 'id' => 9989,
1946                                 'page' => $page->getId(),
1947                                 'title' => $page->getTitle(),
1948                                 'comment' => __METHOD__,
1949                                 'minor_edit' => true,
1950                                 'text' => __METHOD__ . '-text',
1951                                 'len' => strlen( __METHOD__ . '-text' ),
1952                                 'user' => $user->getId(),
1953                                 'user_text' => $user->getName(),
1954                                 'timestamp' => '20170707040404',
1955                                 'content_model' => CONTENT_MODEL_WIKITEXT,
1956                                 'content_format' => CONTENT_FORMAT_WIKITEXT,
1957                         ]
1958                 );
1959
1960                 $result = $page->updateRevisionOn( $this->db, $revision );
1961                 $this->assertFalse( $result );
1962         }
1963
1964         /**
1965          * @covers WikiPage::updateIfNewerOn
1966          */
1967         public function testUpdateIfNewerOn_olderRevision() {
1968                 $user = $this->getTestSysop()->getUser();
1969                 $page = $this->createPage( __METHOD__, 'StartText' );
1970                 $initialRevision = $page->getRevision();
1971
1972                 $olderTimeStamp = wfTimestamp(
1973                         TS_MW,
1974                         wfTimestamp( TS_UNIX, $initialRevision->getTimestamp() ) - 1
1975                 );
1976
1977                 $olderRevision = new Revision(
1978                         [
1979                                 'id' => 9989,
1980                                 'page' => $page->getId(),
1981                                 'title' => $page->getTitle(),
1982                                 'comment' => __METHOD__,
1983                                 'minor_edit' => true,
1984                                 'text' => __METHOD__ . '-text',
1985                                 'len' => strlen( __METHOD__ . '-text' ),
1986                                 'user' => $user->getId(),
1987                                 'user_text' => $user->getName(),
1988                                 'timestamp' => $olderTimeStamp,
1989                                 'content_model' => CONTENT_MODEL_WIKITEXT,
1990                                 'content_format' => CONTENT_FORMAT_WIKITEXT,
1991                         ]
1992                 );
1993
1994                 $result = $page->updateIfNewerOn( $this->db, $olderRevision );
1995                 $this->assertFalse( $result );
1996         }
1997
1998         /**
1999          * @covers WikiPage::updateIfNewerOn
2000          */
2001         public function testUpdateIfNewerOn_newerRevision() {
2002                 $user = $this->getTestSysop()->getUser();
2003                 $page = $this->createPage( __METHOD__, 'StartText' );
2004                 $initialRevision = $page->getRevision();
2005
2006                 $newerTimeStamp = wfTimestamp(
2007                         TS_MW,
2008                         wfTimestamp( TS_UNIX, $initialRevision->getTimestamp() ) + 1
2009                 );
2010
2011                 $newerRevision = new Revision(
2012                         [
2013                                 'id' => 9989,
2014                                 'page' => $page->getId(),
2015                                 'title' => $page->getTitle(),
2016                                 'comment' => __METHOD__,
2017                                 'minor_edit' => true,
2018                                 'text' => __METHOD__ . '-text',
2019                                 'len' => strlen( __METHOD__ . '-text' ),
2020                                 'user' => $user->getId(),
2021                                 'user_text' => $user->getName(),
2022                                 'timestamp' => $newerTimeStamp,
2023                                 'content_model' => CONTENT_MODEL_WIKITEXT,
2024                                 'content_format' => CONTENT_FORMAT_WIKITEXT,
2025                         ]
2026                 );
2027                 $result = $page->updateIfNewerOn( $this->db, $newerRevision );
2028                 $this->assertTrue( $result );
2029         }
2030
2031         /**
2032          * @covers WikiPage::insertOn
2033          */
2034         public function testInsertOn() {
2035                 $title = Title::newFromText( __METHOD__ );
2036                 $page = new WikiPage( $title );
2037
2038                 $startTimeStamp = wfTimestampNow();
2039                 $result = $page->insertOn( $this->db );
2040                 $endTimeStamp = wfTimestampNow();
2041
2042                 $this->assertInternalType( 'int', $result );
2043                 $this->assertTrue( $result > 0 );
2044
2045                 $condition = [ 'page_id' => $result ];
2046
2047                 // Check the default fields have been filled
2048                 $this->assertSelect(
2049                         'page',
2050                         [
2051                                 'page_namespace',
2052                                 'page_title',
2053                                 'page_restrictions',
2054                                 'page_is_redirect',
2055                                 'page_is_new',
2056                                 'page_latest',
2057                                 'page_len',
2058                         ],
2059                         $condition,
2060                         [ [
2061                                 '0',
2062                                 __METHOD__,
2063                                 '',
2064                                 '0',
2065                                 '1',
2066                                 '0',
2067                                 '0',
2068                         ] ]
2069                 );
2070
2071                 // Check the page_random field has been filled
2072                 $pageRandom = $this->db->selectField( 'page', 'page_random', $condition );
2073                 $this->assertTrue( (float)$pageRandom < 1 && (float)$pageRandom > 0 );
2074
2075                 // Assert the touched timestamp in the DB is roughly when we inserted the page
2076                 $pageTouched = $this->db->selectField( 'page', 'page_touched', $condition );
2077                 $this->assertTrue(
2078                         wfTimestamp( TS_UNIX, $startTimeStamp )
2079                         <= wfTimestamp( TS_UNIX, $pageTouched )
2080                 );
2081                 $this->assertTrue(
2082                         wfTimestamp( TS_UNIX, $endTimeStamp )
2083                         >= wfTimestamp( TS_UNIX, $pageTouched )
2084                 );
2085
2086                 // Try inserting the same page again and checking the result is false (no change)
2087                 $result = $page->insertOn( $this->db );
2088                 $this->assertFalse( $result );
2089         }
2090
2091         /**
2092          * @covers WikiPage::insertOn
2093          */
2094         public function testInsertOn_idSpecified() {
2095                 $title = Title::newFromText( __METHOD__ );
2096                 $page = new WikiPage( $title );
2097                 $id = 1478952189;
2098
2099                 $result = $page->insertOn( $this->db, $id );
2100
2101                 $this->assertSame( $id, $result );
2102
2103                 $condition = [ 'page_id' => $result ];
2104
2105                 // Check there is actually a row in the db
2106                 $this->assertSelect(
2107                         'page',
2108                         [ 'page_title' ],
2109                         $condition,
2110                         [ [ __METHOD__ ] ]
2111                 );
2112         }
2113
2114         public function provideTestDoUpdateRestrictions_setBasicRestrictions() {
2115                 // Note: Once the current dates passes the date in these tests they will fail.
2116                 yield 'move something' => [
2117                         true,
2118                         [ 'move' => 'something' ],
2119                         [],
2120                         [ 'edit' => [], 'move' => [ 'something' ] ],
2121                         [],
2122                 ];
2123                 yield 'move something, edit blank' => [
2124                         true,
2125                         [ 'move' => 'something', 'edit' => '' ],
2126                         [],
2127                         [ 'edit' => [], 'move' => [ 'something' ] ],
2128                         [],
2129                 ];
2130                 yield 'edit sysop, with expiry' => [
2131                         true,
2132                         [ 'edit' => 'sysop' ],
2133                         [ 'edit' => '21330101020202' ],
2134                         [ 'edit' => [ 'sysop' ], 'move' => [] ],
2135                         [ 'edit' => '21330101020202' ],
2136                 ];
2137                 yield 'move and edit, move with expiry' => [
2138                         true,
2139                         [ 'move' => 'something', 'edit' => 'another' ],
2140                         [ 'move' => '22220202010101' ],
2141                         [ 'edit' => [ 'another' ], 'move' => [ 'something' ] ],
2142                         [ 'move' => '22220202010101' ],
2143                 ];
2144                 yield 'move and edit, edit with infinity expiry' => [
2145                         true,
2146                         [ 'move' => 'something', 'edit' => 'another' ],
2147                         [ 'edit' => 'infinity' ],
2148                         [ 'edit' => [ 'another' ], 'move' => [ 'something' ] ],
2149                         [ 'edit' => 'infinity' ],
2150                 ];
2151                 yield 'non existing, create something' => [
2152                         false,
2153                         [ 'create' => 'something' ],
2154                         [],
2155                         [ 'create' => [ 'something' ] ],
2156                         [],
2157                 ];
2158                 yield 'non existing, create something with expiry' => [
2159                         false,
2160                         [ 'create' => 'something' ],
2161                         [ 'create' => '23451212112233' ],
2162                         [ 'create' => [ 'something' ] ],
2163                         [ 'create' => '23451212112233' ],
2164                 ];
2165         }
2166
2167         /**
2168          * @dataProvider provideTestDoUpdateRestrictions_setBasicRestrictions
2169          * @covers WikiPage::doUpdateRestrictions
2170          */
2171         public function testDoUpdateRestrictions_setBasicRestrictions(
2172                 $pageExists,
2173                 array $limit,
2174                 array $expiry,
2175                 array $expectedRestrictions,
2176                 array $expectedRestrictionExpiries
2177         ) {
2178                 if ( $pageExists ) {
2179                         $page = $this->createPage( __METHOD__, 'ABC' );
2180                 } else {
2181                         $page = new WikiPage( Title::newFromText( __METHOD__ . '-nonexist' ) );
2182                 }
2183                 $user = $this->getTestSysop()->getUser();
2184                 $cascade = false;
2185
2186                 $status = $page->doUpdateRestrictions( $limit, $expiry, $cascade, 'aReason', $user, [] );
2187
2188                 $logId = $status->getValue();
2189                 $allRestrictions = $page->getTitle()->getAllRestrictions();
2190
2191                 $this->assertTrue( $status->isGood() );
2192                 $this->assertInternalType( 'int', $logId );
2193                 $this->assertSame( $expectedRestrictions, $allRestrictions );
2194                 foreach ( $expectedRestrictionExpiries as $key => $value ) {
2195                         $this->assertSame( $value, $page->getTitle()->getRestrictionExpiry( $key ) );
2196                 }
2197
2198                 // Make sure the log entry looks good
2199                 // log_params is not checked here
2200                 $actorQuery = ActorMigration::newMigration()->getJoin( 'log_user' );
2201                 $commentQuery = MediaWikiServices::getInstance()->getCommentStore()->getJoin( 'log_comment' );
2202                 $this->assertSelect(
2203                         [ 'logging' ] + $actorQuery['tables'] + $commentQuery['tables'],
2204                         [
2205                                 'log_comment' => $commentQuery['fields']['log_comment_text'],
2206                                 'log_user' => $actorQuery['fields']['log_user'],
2207                                 'log_user_text' => $actorQuery['fields']['log_user_text'],
2208                                 'log_namespace',
2209                                 'log_title',
2210                         ],
2211                         [ 'log_id' => $logId ],
2212                         [ [
2213                                 'aReason',
2214                                 (string)$user->getId(),
2215                                 $user->getName(),
2216                                 (string)$page->getTitle()->getNamespace(),
2217                                 $page->getTitle()->getDBkey(),
2218                         ] ],
2219                         [],
2220                         $actorQuery['joins'] + $commentQuery['joins']
2221                 );
2222         }
2223
2224         /**
2225          * @covers WikiPage::doUpdateRestrictions
2226          */
2227         public function testDoUpdateRestrictions_failsOnReadOnly() {
2228                 $page = $this->createPage( __METHOD__, 'ABC' );
2229                 $user = $this->getTestSysop()->getUser();
2230                 $cascade = false;
2231
2232                 // Set read only
2233                 $readOnly = $this->getMockBuilder( ReadOnlyMode::class )
2234                         ->disableOriginalConstructor()
2235                         ->setMethods( [ 'isReadOnly', 'getReason' ] )
2236                         ->getMock();
2237                 $readOnly->expects( $this->once() )
2238                         ->method( 'isReadOnly' )
2239                         ->will( $this->returnValue( true ) );
2240                 $readOnly->expects( $this->once() )
2241                         ->method( 'getReason' )
2242                         ->will( $this->returnValue( 'Some Read Only Reason' ) );
2243                 $this->setService( 'ReadOnlyMode', $readOnly );
2244
2245                 $status = $page->doUpdateRestrictions( [], [], $cascade, 'aReason', $user, [] );
2246                 $this->assertFalse( $status->isOK() );
2247                 $this->assertSame( 'readonlytext', $status->getMessage()->getKey() );
2248         }
2249
2250         /**
2251          * @covers WikiPage::doUpdateRestrictions
2252          */
2253         public function testDoUpdateRestrictions_returnsGoodIfNothingChanged() {
2254                 $page = $this->createPage( __METHOD__, 'ABC' );
2255                 $user = $this->getTestSysop()->getUser();
2256                 $cascade = false;
2257                 $limit = [ 'edit' => 'sysop' ];
2258
2259                 $status = $page->doUpdateRestrictions(
2260                         $limit,
2261                         [],
2262                         $cascade,
2263                         'aReason',
2264                         $user,
2265                         []
2266                 );
2267
2268                 // The first entry should have a logId as it did something
2269                 $this->assertTrue( $status->isGood() );
2270                 $this->assertInternalType( 'int', $status->getValue() );
2271
2272                 $status = $page->doUpdateRestrictions(
2273                         $limit,
2274                         [],
2275                         $cascade,
2276                         'aReason',
2277                         $user,
2278                         []
2279                 );
2280
2281                 // The second entry should not have a logId as nothing changed
2282                 $this->assertTrue( $status->isGood() );
2283                 $this->assertNull( $status->getValue() );
2284         }
2285
2286         /**
2287          * @covers WikiPage::doUpdateRestrictions
2288          */
2289         public function testDoUpdateRestrictions_logEntryTypeAndAction() {
2290                 $page = $this->createPage( __METHOD__, 'ABC' );
2291                 $user = $this->getTestSysop()->getUser();
2292                 $cascade = false;
2293
2294                 // Protect the page
2295                 $status = $page->doUpdateRestrictions(
2296                         [ 'edit' => 'sysop' ],
2297                         [],
2298                         $cascade,
2299                         'aReason',
2300                         $user,
2301                         []
2302                 );
2303                 $this->assertTrue( $status->isGood() );
2304                 $this->assertInternalType( 'int', $status->getValue() );
2305                 $this->assertSelect(
2306                         'logging',
2307                         [ 'log_type', 'log_action' ],
2308                         [ 'log_id' => $status->getValue() ],
2309                         [ [ 'protect', 'protect' ] ]
2310                 );
2311
2312                 // Modify the protection
2313                 $status = $page->doUpdateRestrictions(
2314                         [ 'edit' => 'somethingElse' ],
2315                         [],
2316                         $cascade,
2317                         'aReason',
2318                         $user,
2319                         []
2320                 );
2321                 $this->assertTrue( $status->isGood() );
2322                 $this->assertInternalType( 'int', $status->getValue() );
2323                 $this->assertSelect(
2324                         'logging',
2325                         [ 'log_type', 'log_action' ],
2326                         [ 'log_id' => $status->getValue() ],
2327                         [ [ 'protect', 'modify' ] ]
2328                 );
2329
2330                 // Remove the protection
2331                 $status = $page->doUpdateRestrictions(
2332                         [],
2333                         [],
2334                         $cascade,
2335                         'aReason',
2336                         $user,
2337                         []
2338                 );
2339                 $this->assertTrue( $status->isGood() );
2340                 $this->assertInternalType( 'int', $status->getValue() );
2341                 $this->assertSelect(
2342                         'logging',
2343                         [ 'log_type', 'log_action' ],
2344                         [ 'log_id' => $status->getValue() ],
2345                         [ [ 'protect', 'unprotect' ] ]
2346                 );
2347         }
2348
2349         /**
2350          * @covers WikiPage::newPageUpdater
2351          * @covers WikiPage::getDerivedDataUpdater
2352          */
2353         public function testNewPageUpdater() {
2354                 $user = $this->getTestUser()->getUser();
2355                 $page = $this->newPage( __METHOD__, __METHOD__ );
2356
2357                 /** @var Content $content */
2358                 $content = $this->getMockBuilder( WikitextContent::class )
2359                         ->setConstructorArgs( [ 'Hello World' ] )
2360                         ->setMethods( [ 'getParserOutput' ] )
2361                         ->getMock();
2362                 $content->expects( $this->once() )
2363                         ->method( 'getParserOutput' )
2364                         ->willReturn( new ParserOutput( 'HTML' ) );
2365
2366                 $preparedEditBefore = $page->prepareContentForEdit( $content, null, $user );
2367
2368                 // provide context, so the cache can be kept in place
2369                 $slotsUpdate = new revisionSlotsUpdate();
2370                 $slotsUpdate->modifyContent( SlotRecord::MAIN, $content );
2371
2372                 $updater = $page->newPageUpdater( $user, $slotsUpdate );
2373                 $updater->setContent( SlotRecord::MAIN, $content );
2374                 $revision = $updater->saveRevision(
2375                         CommentStoreComment::newUnsavedComment( 'test' ),
2376                         EDIT_NEW
2377                 );
2378
2379                 $preparedEditAfter = $page->prepareContentForEdit( $content, $revision, $user );
2380
2381                 $this->assertSame( $revision->getId(), $page->getLatest() );
2382
2383                 // Parsed output must remain cached throughout.
2384                 $this->assertSame( $preparedEditBefore->output, $preparedEditAfter->output );
2385         }
2386
2387         /**
2388          * @covers WikiPage::newPageUpdater
2389          * @covers WikiPage::getDerivedDataUpdater
2390          */
2391         public function testGetDerivedDataUpdater() {
2392                 $admin = $this->getTestSysop()->getUser();
2393
2394                 /** @var object $page */
2395                 $page = $this->createPage( __METHOD__, __METHOD__ );
2396                 $page = TestingAccessWrapper::newFromObject( $page );
2397
2398                 $revision = $page->getRevision()->getRevisionRecord();
2399                 $user = $revision->getUser();
2400
2401                 $slotsUpdate = new RevisionSlotsUpdate();
2402                 $slotsUpdate->modifyContent( SlotRecord::MAIN, new WikitextContent( 'Hello World' ) );
2403
2404                 // get a virgin updater
2405                 $updater1 = $page->getDerivedDataUpdater( $user );
2406                 $this->assertFalse( $updater1->isUpdatePrepared() );
2407
2408                 $updater1->prepareUpdate( $revision );
2409
2410                 // Re-use updater with same revision or content, even if base changed
2411                 $this->assertSame( $updater1, $page->getDerivedDataUpdater( $user, $revision ) );
2412
2413                 $slotsUpdate = RevisionSlotsUpdate::newFromContent(
2414                         [ SlotRecord::MAIN => $revision->getContent( SlotRecord::MAIN ) ]
2415                 );
2416                 $this->assertSame( $updater1, $page->getDerivedDataUpdater( $user, null, $slotsUpdate ) );
2417
2418                 // Don't re-use for edit if base revision ID changed
2419                 $this->assertNotSame(
2420                         $updater1,
2421                         $page->getDerivedDataUpdater( $user, null, $slotsUpdate, true )
2422                 );
2423
2424                 // Don't re-use with different user
2425                 $updater2a = $page->getDerivedDataUpdater( $admin, null, $slotsUpdate );
2426                 $updater2a->prepareContent( $admin, $slotsUpdate, false );
2427
2428                 $updater2b = $page->getDerivedDataUpdater( $user, null, $slotsUpdate );
2429                 $updater2b->prepareContent( $user, $slotsUpdate, false );
2430                 $this->assertNotSame( $updater2a, $updater2b );
2431
2432                 // Don't re-use with different content
2433                 $updater3 = $page->getDerivedDataUpdater( $admin, null, $slotsUpdate );
2434                 $updater3->prepareUpdate( $revision );
2435                 $this->assertNotSame( $updater2b, $updater3 );
2436
2437                 // Don't re-use if no context given
2438                 $updater4 = $page->getDerivedDataUpdater( $admin );
2439                 $updater4->prepareUpdate( $revision );
2440                 $this->assertNotSame( $updater3, $updater4 );
2441
2442                 // Don't re-use if AGAIN no context given
2443                 $updater5 = $page->getDerivedDataUpdater( $admin );
2444                 $this->assertNotSame( $updater4, $updater5 );
2445
2446                 // Don't re-use cached "virgin" unprepared updater
2447                 $updater6 = $page->getDerivedDataUpdater( $admin, $revision );
2448                 $this->assertNotSame( $updater5, $updater6 );
2449         }
2450
2451         protected function assertPreparedEditEquals(
2452                 PreparedEdit $edit, PreparedEdit $edit2, $message = ''
2453         ) {
2454                 // suppress differences caused by a clock tick between generating the two PreparedEdits
2455                 if ( abs( $edit->timestamp - $edit2->timestamp ) < 3 ) {
2456                         $edit2 = clone $edit2;
2457                         $edit2->timestamp = $edit->timestamp;
2458                 }
2459                 $this->assertEquals( $edit, $edit2, $message );
2460         }
2461
2462         protected function assertPreparedEditNotEquals(
2463                 PreparedEdit $edit, PreparedEdit $edit2, $message = ''
2464         ) {
2465                 if ( abs( $edit->timestamp - $edit2->timestamp ) < 3 ) {
2466                         $edit2 = clone $edit2;
2467                         $edit2->timestamp = $edit->timestamp;
2468                 }
2469                 $this->assertNotEquals( $edit, $edit2, $message );
2470         }
2471
2472 }