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 $p WikiPage */
  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' => $logId ],
 482                         [ [
 483                                 'delete',
 484                                 'delete',
 485                                 'testing user 0 deletion',
 486                                 '0',
 487                                 '127.0.0.1',
 488                                 (string)$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()->getNativeData() );
 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->getNativeData() );
 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, is_null( $t ) ? null : $t->getFullText() );
 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                 $c = $page->replaceSectionContent( $section, $content, $sectionTitle );
1113
1114                 $this->assertEquals( $expected, is_null( $c ) ? null : trim( $c->getNativeData() ) );
1115         }
1116
1117         /**
1118          * @dataProvider dataReplaceSection
1119          * @covers WikiPage::replaceSectionAtRev
1120          */
1121         public function testReplaceSectionAtRev( $title, $model, $text, $section,
1122                 $with, $sectionTitle, $expected
1123         ) {
1124                 $page = $this->createPage( $title, $text, $model );
1125                 $baseRevId = $page->getLatest();
1126
1127                 $content = ContentHandler::makeContent( $with, $page->getTitle(), $page->getContentModel() );
1128                 $c = $page->replaceSectionAtRev( $section, $content, $sectionTitle, $baseRevId );
1129
1130                 $this->assertEquals( $expected, is_null( $c ) ? null : trim( $c->getNativeData() ) );
1131         }
1132
1133         /**
1134          * @covers WikiPage::getOldestRevision
1135          */
1136         public function testGetOldestRevision() {
1137                 $page = $this->newPage( __METHOD__ );
1138                 $page->doEditContent(
1139                         new WikitextContent( 'one' ),
1140                         "first edit",
1141                         EDIT_NEW
1142                 );
1143                 $rev1 = $page->getRevision();
1144
1145                 $page = new WikiPage( $page->getTitle() );
1146                 $page->doEditContent(
1147                         new WikitextContent( 'two' ),
1148                         "second edit",
1149                         EDIT_UPDATE
1150                 );
1151
1152                 $page = new WikiPage( $page->getTitle() );
1153                 $page->doEditContent(
1154                         new WikitextContent( 'three' ),
1155                         "third edit",
1156                         EDIT_UPDATE
1157                 );
1158
1159                 // sanity check
1160                 $this->assertNotEquals(
1161                         $rev1->getId(),
1162                         $page->getRevision()->getId(),
1163                         '$page->getRevision()->getId()'
1164                 );
1165
1166                 // actual test
1167                 $this->assertEquals(
1168                         $rev1->getId(),
1169                         $page->getOldestRevision()->getId(),
1170                         '$page->getOldestRevision()->getId()'
1171                 );
1172         }
1173
1174         /**
1175          * @covers WikiPage::doRollback
1176          * @covers WikiPage::commitRollback
1177          */
1178         public function testDoRollback() {
1179                 // FIXME: fails under postgres
1180                 $this->markTestSkippedIfDbType( 'postgres' );
1181
1182                 $admin = $this->getTestSysop()->getUser();
1183                 $user1 = $this->getTestUser()->getUser();
1184                 // Use the confirmed group for user2 to make sure the user is different
1185                 $user2 = $this->getTestUser( [ 'confirmed' ] )->getUser();
1186
1187                 // make sure we can test autopatrolling
1188                 $this->setMwGlobals( 'wgUseRCPatrol', true );
1189
1190                 // TODO: MCR: test rollback of multiple slots!
1191                 $page = $this->newPage( __METHOD__ );
1192
1193                 // Make some edits
1194                 $text = "one";
1195                 $status1 = $page->doEditContent( ContentHandler::makeContent( $text, $page->getTitle() ),
1196                         "section one", EDIT_NEW, false, $admin );
1197
1198                 $text .= "\n\ntwo";
1199                 $status2 = $page->doEditContent( ContentHandler::makeContent( $text, $page->getTitle() ),
1200                         "adding section two", 0, false, $user1 );
1201
1202                 $text .= "\n\nthree";
1203                 $status3 = $page->doEditContent( ContentHandler::makeContent( $text, $page->getTitle() ),
1204                         "adding section three", 0, false, $user2 );
1205
1206                 /** @var Revision $rev1 */
1207                 /** @var Revision $rev2 */
1208                 /** @var Revision $rev3 */
1209                 $rev1 = $status1->getValue()['revision'];
1210                 $rev2 = $status2->getValue()['revision'];
1211                 $rev3 = $status3->getValue()['revision'];
1212
1213                 /**
1214                  * We are having issues with doRollback spuriously failing. Apparently
1215                  * the last revision somehow goes missing or not committed under some
1216                  * circumstances. So, make sure the revisions have the correct usernames.
1217                  */
1218                 $this->assertEquals( 3, Revision::countByPageId( wfGetDB( DB_REPLICA ), $page->getId() ) );
1219                 $this->assertEquals( $admin->getName(), $rev1->getUserText() );
1220                 $this->assertEquals( $user1->getName(), $rev2->getUserText() );
1221                 $this->assertEquals( $user2->getName(), $rev3->getUserText() );
1222
1223                 // Now, try the actual rollback
1224                 $token = $admin->getEditToken( 'rollback' );
1225                 $rollbackErrors = $page->doRollback(
1226                         $user2->getName(),
1227                         "testing rollback",
1228                         $token,
1229                         false,
1230                         $resultDetails,
1231                         $admin
1232                 );
1233
1234                 if ( $rollbackErrors ) {
1235                         $this->fail(
1236                                 "Rollback failed:\n" .
1237                                 print_r( $rollbackErrors, true ) . ";\n" .
1238                                 print_r( $resultDetails, true )
1239                         );
1240                 }
1241
1242                 $page = new WikiPage( $page->getTitle() );
1243                 $this->assertEquals( $rev2->getSha1(), $page->getRevision()->getSha1(),
1244                         "rollback did not revert to the correct revision" );
1245                 $this->assertEquals( "one\n\ntwo", $page->getContent()->getNativeData() );
1246
1247                 $rc = MediaWikiServices::getInstance()->getRevisionStore()->getRecentChange(
1248                         $page->getRevision()->getRevisionRecord()
1249                 );
1250
1251                 $this->assertNotNull( $rc, 'RecentChanges entry' );
1252                 $this->assertEquals(
1253                         RecentChange::PRC_AUTOPATROLLED,
1254                         $rc->getAttribute( 'rc_patrolled' ),
1255                         'rc_patrolled'
1256                 );
1257
1258                 // TODO: MCR: assert origin once we write slot data
1259                 // $mainSlot = $page->getRevision()->getRevisionRecord()->getSlot( SlotRecord::MAIN );
1260                 // $this->assertTrue( $mainSlot->isInherited(), 'isInherited' );
1261                 // $this->assertSame( $rev2->getId(), $mainSlot->getOrigin(), 'getOrigin' );
1262         }
1263
1264         /**
1265          * @covers WikiPage::doRollback
1266          * @covers WikiPage::commitRollback
1267          */
1268         public function testDoRollbackFailureSameContent() {
1269                 $admin = $this->getTestSysop()->getUser();
1270
1271                 $text = "one";
1272                 $page = $this->newPage( __METHOD__ );
1273                 $page->doEditContent(
1274                         ContentHandler::makeContent( $text, $page->getTitle(), CONTENT_MODEL_WIKITEXT ),
1275                         "section one",
1276                         EDIT_NEW,
1277                         false,
1278                         $admin
1279                 );
1280                 $rev1 = $page->getRevision();
1281
1282                 $user1 = $this->getTestUser( [ 'sysop' ] )->getUser();
1283                 $text .= "\n\ntwo";
1284                 $page = new WikiPage( $page->getTitle() );
1285                 $page->doEditContent(
1286                         ContentHandler::makeContent( $text, $page->getTitle(), CONTENT_MODEL_WIKITEXT ),
1287                         "adding section two",
1288                         0,
1289                         false,
1290                         $user1
1291                 );
1292
1293                 # now, do a the rollback from the same user was doing the edit before
1294                 $resultDetails = [];
1295                 $token = $user1->getEditToken( 'rollback' );
1296                 $errors = $page->doRollback(
1297                         $user1->getName(),
1298                         "testing revert same user",
1299                         $token,
1300                         false,
1301                         $resultDetails,
1302                         $admin
1303                 );
1304
1305                 $this->assertEquals( [], $errors, "Rollback failed same user" );
1306
1307                 # now, try the rollback
1308                 $resultDetails = [];
1309                 $token = $admin->getEditToken( 'rollback' );
1310                 $errors = $page->doRollback(
1311                         $user1->getName(),
1312                         "testing revert",
1313                         $token,
1314                         false,
1315                         $resultDetails,
1316                         $admin
1317                 );
1318
1319                 $this->assertEquals(
1320                         [
1321                                 [
1322                                         'alreadyrolled',
1323                                         __METHOD__,
1324                                         $user1->getName(),
1325                                         $admin->getName(),
1326                                 ],
1327                         ],
1328                         $errors,
1329                         "Rollback not failed"
1330                 );
1331
1332                 $page = new WikiPage( $page->getTitle() );
1333                 $this->assertEquals( $rev1->getSha1(), $page->getRevision()->getSha1(),
1334                         "rollback did not revert to the correct revision" );
1335                 $this->assertEquals( "one", $page->getContent()->getNativeData() );
1336         }
1337
1338         /**
1339          * Tests tagging for edits that do rollback action
1340          * @covers WikiPage::doRollback
1341          */
1342         public function testDoRollbackTagging() {
1343                 if ( !in_array( 'mw-rollback', ChangeTags::getSoftwareTags() ) ) {
1344                         $this->markTestSkipped( 'Rollback tag deactivated, skipped the test.' );
1345                 }
1346
1347                 $admin = new User();
1348                 $admin->setName( 'Administrator' );
1349                 $admin->addToDatabase();
1350
1351                 $text = 'First line';
1352                 $page = $this->newPage( 'WikiPageTest_testDoRollbackTagging' );
1353                 $page->doEditContent(
1354                         ContentHandler::makeContent( $text, $page->getTitle(), CONTENT_MODEL_WIKITEXT ),
1355                         'Added first line',
1356                         EDIT_NEW,
1357                         false,
1358                         $admin
1359                 );
1360
1361                 $secondUser = new User();
1362                 $secondUser->setName( '92.65.217.32' );
1363                 $text .= '\n\nSecond line';
1364                 $page = new WikiPage( $page->getTitle() );
1365                 $page->doEditContent(
1366                         ContentHandler::makeContent( $text, $page->getTitle(), CONTENT_MODEL_WIKITEXT ),
1367                         'Adding second line',
1368                         0,
1369                         false,
1370                         $secondUser
1371                 );
1372
1373                 // Now, try the rollback
1374                 $admin->addGroup( 'sysop' ); // Make the test user a sysop
1375                 $token = $admin->getEditToken( 'rollback' );
1376                 $errors = $page->doRollback(
1377                         $secondUser->getName(),
1378                         'testing rollback',
1379                         $token,
1380                         false,
1381                         $resultDetails,
1382                         $admin
1383                 );
1384
1385                 // If doRollback completed without errors
1386                 if ( $errors === [] ) {
1387                         $tags = $resultDetails[ 'tags' ];
1388                         $this->assertContains( 'mw-rollback', $tags );
1389                 }
1390         }
1391
1392         public function provideGetAutoDeleteReason() {
1393                 return [
1394                         [
1395                                 [],
1396                                 false,
1397                                 false
1398                         ],
1399
1400                         [
1401                                 [
1402                                         [ "first edit", null ],
1403                                 ],
1404                                 "/first edit.*only contributor/",
1405                                 false
1406                         ],
1407
1408                         [
1409                                 [
1410                                         [ "first edit", null ],
1411                                         [ "second edit", null ],
1412                                 ],
1413                                 "/second edit.*only contributor/",
1414                                 true
1415                         ],
1416
1417                         [
1418                                 [
1419                                         [ "first edit", "127.0.2.22" ],
1420                                         [ "second edit", "127.0.3.33" ],
1421                                 ],
1422                                 "/second edit/",
1423                                 true
1424                         ],
1425
1426                         [
1427                                 [
1428                                         [
1429                                                 "first edit: "
1430                                                         . "Lorem ipsum dolor sit amet, consetetur sadipscing elitr, sed diam "
1431                                                         . " nonumy eirmod tempor invidunt ut labore et dolore magna "
1432                                                         . "aliquyam erat, sed diam voluptua. At vero eos et accusam "
1433                                                         . "et justo duo dolores et ea rebum. Stet clita kasd gubergren, "
1434                                                         . "no sea  takimata sanctus est Lorem ipsum dolor sit amet.'",
1435                                                 null
1436                                         ],
1437                                 ],
1438                                 '/first edit:.*\.\.\."/',
1439                                 false
1440                         ],
1441
1442                         [
1443                                 [
1444                                         [ "first edit", "127.0.2.22" ],
1445                                         [ "", "127.0.3.33" ],
1446                                 ],
1447                                 "/before blanking.*first edit/",
1448                                 true
1449                         ],
1450
1451                 ];
1452         }
1453
1454         /**
1455          * @dataProvider provideGetAutoDeleteReason
1456          * @covers WikiPage::getAutoDeleteReason
1457          */
1458         public function testGetAutoDeleteReason( $edits, $expectedResult, $expectedHistory ) {
1459                 global $wgUser;
1460
1461                 // NOTE: assume Help namespace to contain wikitext
1462                 $page = $this->newPage( "Help:WikiPageTest_testGetAutoDeleteReason" );
1463
1464                 $c = 1;
1465
1466                 foreach ( $edits as $edit ) {
1467                         $user = new User();
1468
1469                         if ( !empty( $edit[1] ) ) {
1470                                 $user->setName( $edit[1] );
1471                         } else {
1472                                 $user = $wgUser;
1473                         }
1474
1475                         $content = ContentHandler::makeContent( $edit[0], $page->getTitle(), $page->getContentModel() );
1476
1477                         $page->doEditContent( $content, "test edit $c", $c < 2 ? EDIT_NEW : 0, false, $user );
1478
1479                         $c += 1;
1480                 }
1481
1482                 $reason = $page->getAutoDeleteReason( $hasHistory );
1483
1484                 if ( is_bool( $expectedResult ) || is_null( $expectedResult ) ) {
1485                         $this->assertEquals( $expectedResult, $reason );
1486                 } else {
1487                         $this->assertTrue( (bool)preg_match( $expectedResult, $reason ),
1488                                 "Autosummary didn't match expected pattern $expectedResult: $reason" );
1489                 }
1490
1491                 $this->assertEquals( $expectedHistory, $hasHistory,
1492                         "expected \$hasHistory to be " . var_export( $expectedHistory, true ) );
1493
1494                 $page->doDeleteArticle( "done" );
1495         }
1496
1497         public function providePreSaveTransform() {
1498                 return [
1499                         [ 'hello this is ~~~',
1500                                 "hello this is [[Special:Contributions/127.0.0.1|127.0.0.1]]",
1501                         ],
1502                         [ 'hello \'\'this\'\' is <nowiki>~~~</nowiki>',
1503                                 'hello \'\'this\'\' is <nowiki>~~~</nowiki>',
1504                         ],
1505                 ];
1506         }
1507
1508         /**
1509          * @covers WikiPage::factory
1510          */
1511         public function testWikiPageFactory() {
1512                 $title = Title::makeTitle( NS_FILE, 'Someimage.png' );
1513                 $page = WikiPage::factory( $title );
1514                 $this->assertEquals( WikiFilePage::class, get_class( $page ) );
1515
1516                 $title = Title::makeTitle( NS_CATEGORY, 'SomeCategory' );
1517                 $page = WikiPage::factory( $title );
1518                 $this->assertEquals( WikiCategoryPage::class, get_class( $page ) );
1519
1520                 $title = Title::makeTitle( NS_MAIN, 'SomePage' );
1521                 $page = WikiPage::factory( $title );
1522                 $this->assertEquals( WikiPage::class, get_class( $page ) );
1523         }
1524
1525         /**
1526          * @covers WikiPage::loadPageData
1527          * @covers WikiPage::wasLoadedFrom
1528          */
1529         public function testLoadPageData() {
1530                 $title = Title::makeTitle( NS_MAIN, 'SomePage' );
1531                 $page = WikiPage::factory( $title );
1532
1533                 $this->assertFalse( $page->wasLoadedFrom( IDBAccessObject::READ_NORMAL ) );
1534                 $this->assertFalse( $page->wasLoadedFrom( IDBAccessObject::READ_LATEST ) );
1535                 $this->assertFalse( $page->wasLoadedFrom( IDBAccessObject::READ_LOCKING ) );
1536                 $this->assertFalse( $page->wasLoadedFrom( IDBAccessObject::READ_EXCLUSIVE ) );
1537
1538                 $page->loadPageData( IDBAccessObject::READ_NORMAL );
1539                 $this->assertTrue( $page->wasLoadedFrom( IDBAccessObject::READ_NORMAL ) );
1540                 $this->assertFalse( $page->wasLoadedFrom( IDBAccessObject::READ_LATEST ) );
1541                 $this->assertFalse( $page->wasLoadedFrom( IDBAccessObject::READ_LOCKING ) );
1542                 $this->assertFalse( $page->wasLoadedFrom( IDBAccessObject::READ_EXCLUSIVE ) );
1543
1544                 $page->loadPageData( IDBAccessObject::READ_LATEST );
1545                 $this->assertTrue( $page->wasLoadedFrom( IDBAccessObject::READ_NORMAL ) );
1546                 $this->assertTrue( $page->wasLoadedFrom( IDBAccessObject::READ_LATEST ) );
1547                 $this->assertFalse( $page->wasLoadedFrom( IDBAccessObject::READ_LOCKING ) );
1548                 $this->assertFalse( $page->wasLoadedFrom( IDBAccessObject::READ_EXCLUSIVE ) );
1549
1550                 $page->loadPageData( IDBAccessObject::READ_LOCKING );
1551                 $this->assertTrue( $page->wasLoadedFrom( IDBAccessObject::READ_NORMAL ) );
1552                 $this->assertTrue( $page->wasLoadedFrom( IDBAccessObject::READ_LATEST ) );
1553                 $this->assertTrue( $page->wasLoadedFrom( IDBAccessObject::READ_LOCKING ) );
1554                 $this->assertFalse( $page->wasLoadedFrom( IDBAccessObject::READ_EXCLUSIVE ) );
1555
1556                 $page->loadPageData( IDBAccessObject::READ_EXCLUSIVE );
1557                 $this->assertTrue( $page->wasLoadedFrom( IDBAccessObject::READ_NORMAL ) );
1558                 $this->assertTrue( $page->wasLoadedFrom( IDBAccessObject::READ_LATEST ) );
1559                 $this->assertTrue( $page->wasLoadedFrom( IDBAccessObject::READ_LOCKING ) );
1560                 $this->assertTrue( $page->wasLoadedFrom( IDBAccessObject::READ_EXCLUSIVE ) );
1561         }
1562
1563         /**
1564          * @dataProvider provideCommentMigrationOnDeletion
1565          *
1566          * @param int $writeStage
1567          * @param int $readStage
1568          */
1569         public function testCommentMigrationOnDeletion( $writeStage, $readStage ) {
1570                 $this->setMwGlobals( 'wgCommentTableSchemaMigrationStage', $writeStage );
1571                 $this->overrideMwServices();
1572
1573                 $dbr = wfGetDB( DB_REPLICA );
1574
1575                 $page = $this->createPage(
1576                         __METHOD__,
1577                         "foo",
1578                         CONTENT_MODEL_WIKITEXT
1579                 );
1580                 $revid = $page->getLatest();
1581                 if ( $writeStage > MIGRATION_OLD ) {
1582                         $comment_id = $dbr->selectField(
1583                                 'revision_comment_temp',
1584                                 'revcomment_comment_id',
1585                                 [ 'revcomment_rev' => $revid ],
1586                                 __METHOD__
1587                         );
1588                 }
1589
1590                 $this->setMwGlobals( 'wgCommentTableSchemaMigrationStage', $readStage );
1591                 $this->overrideMwServices();
1592
1593                 $page->doDeleteArticle( "testing deletion" );
1594
1595                 if ( $readStage > MIGRATION_OLD ) {
1596                         // Didn't leave behind any 'revision_comment_temp' rows
1597                         $n = $dbr->selectField(
1598                                 'revision_comment_temp', 'COUNT(*)', [ 'revcomment_rev' => $revid ], __METHOD__
1599                         );
1600                         $this->assertEquals( 0, $n, 'no entry in revision_comment_temp after deletion' );
1601
1602                         // Copied or upgraded the comment_id, as applicable
1603                         $ar_comment_id = $dbr->selectField(
1604                                 'archive',
1605                                 'ar_comment_id',
1606                                 [ 'ar_rev_id' => $revid ],
1607                                 __METHOD__
1608                         );
1609                         if ( $writeStage > MIGRATION_OLD ) {
1610                                 $this->assertSame( $comment_id, $ar_comment_id );
1611                         } else {
1612                                 $this->assertNotEquals( 0, $ar_comment_id );
1613                         }
1614                 }
1615
1616                 // Copied rev_comment, if applicable
1617                 if ( $readStage <= MIGRATION_WRITE_BOTH && $writeStage <= MIGRATION_WRITE_BOTH ) {
1618                         $ar_comment = $dbr->selectField(
1619                                 'archive',
1620                                 'ar_comment',
1621                                 [ 'ar_rev_id' => $revid ],
1622                                 __METHOD__
1623                         );
1624                         $this->assertSame( 'testing', $ar_comment );
1625                 }
1626         }
1627
1628         public function provideCommentMigrationOnDeletion() {
1629                 return [
1630                         [ MIGRATION_OLD, MIGRATION_OLD ],
1631                         [ MIGRATION_OLD, MIGRATION_WRITE_BOTH ],
1632                         [ MIGRATION_OLD, MIGRATION_WRITE_NEW ],
1633                         [ MIGRATION_WRITE_BOTH, MIGRATION_OLD ],
1634                         [ MIGRATION_WRITE_BOTH, MIGRATION_WRITE_BOTH ],
1635                         [ MIGRATION_WRITE_BOTH, MIGRATION_WRITE_NEW ],
1636                         [ MIGRATION_WRITE_BOTH, MIGRATION_NEW ],
1637                         [ MIGRATION_WRITE_NEW, MIGRATION_WRITE_BOTH ],
1638                         [ MIGRATION_WRITE_NEW, MIGRATION_WRITE_NEW ],
1639                         [ MIGRATION_WRITE_NEW, MIGRATION_NEW ],
1640                         [ MIGRATION_NEW, MIGRATION_WRITE_BOTH ],
1641                         [ MIGRATION_NEW, MIGRATION_WRITE_NEW ],
1642                         [ MIGRATION_NEW, MIGRATION_NEW ],
1643                 ];
1644         }
1645
1646         /**
1647          * @covers WikiPage::updateCategoryCounts
1648          */
1649         public function testUpdateCategoryCounts() {
1650                 $page = new WikiPage( Title::newFromText( __METHOD__ ) );
1651
1652                 // Add an initial category
1653                 $page->updateCategoryCounts( [ 'A' ], [], 0 );
1654
1655                 $this->assertEquals( 1, Category::newFromName( 'A' )->getPageCount() );
1656                 $this->assertEquals( 0, Category::newFromName( 'B' )->getPageCount() );
1657                 $this->assertEquals( 0, Category::newFromName( 'C' )->getPageCount() );
1658
1659                 // Add a new category
1660                 $page->updateCategoryCounts( [ 'B' ], [], 0 );
1661
1662                 $this->assertEquals( 1, Category::newFromName( 'A' )->getPageCount() );
1663                 $this->assertEquals( 1, Category::newFromName( 'B' )->getPageCount() );
1664                 $this->assertEquals( 0, Category::newFromName( 'C' )->getPageCount() );
1665
1666                 // Add and remove a category
1667                 $page->updateCategoryCounts( [ 'C' ], [ 'A' ], 0 );
1668
1669                 $this->assertEquals( 0, Category::newFromName( 'A' )->getPageCount() );
1670                 $this->assertEquals( 1, Category::newFromName( 'B' )->getPageCount() );
1671                 $this->assertEquals( 1, Category::newFromName( 'C' )->getPageCount() );
1672         }
1673
1674         public function provideUpdateRedirectOn() {
1675                 yield [ '#REDIRECT [[Foo]]', true, null, true, true, 0 ];
1676                 yield [ '#REDIRECT [[Foo]]', true, 'Foo', true, false, 1 ];
1677                 yield [ 'SomeText', false, null, false, true, 0 ];
1678                 yield [ 'SomeText', false, 'Foo', false, false, 1 ];
1679         }
1680
1681         /**
1682          * @dataProvider provideUpdateRedirectOn
1683          * @covers WikiPage::updateRedirectOn
1684          *
1685          * @param string $initialText
1686          * @param bool $initialRedirectState
1687          * @param string|null $redirectTitle
1688          * @param bool|null $lastRevIsRedirect
1689          * @param bool $expectedSuccess
1690          * @param int $expectedRowCount
1691          */
1692         public function testUpdateRedirectOn(
1693                 $initialText,
1694                 $initialRedirectState,
1695                 $redirectTitle,
1696                 $lastRevIsRedirect,
1697                 $expectedSuccess,
1698                 $expectedRowCount
1699         ) {
1700                 // FIXME: fails under sqlite and postgres
1701                 $this->markTestSkippedIfDbType( 'sqlite' );
1702                 $this->markTestSkippedIfDbType( 'postgres' );
1703                 static $pageCounter = 0;
1704                 $pageCounter++;
1705
1706                 $page = $this->createPage( Title::newFromText( __METHOD__ . $pageCounter ), $initialText );
1707                 $this->assertSame( $initialRedirectState, $page->isRedirect() );
1708
1709                 $redirectTitle = is_string( $redirectTitle )
1710                         ? Title::newFromText( $redirectTitle )
1711                         : $redirectTitle;
1712
1713                 $success = $page->updateRedirectOn( $this->db, $redirectTitle, $lastRevIsRedirect );
1714                 $this->assertSame( $expectedSuccess, $success, 'Success assertion' );
1715                 /**
1716                  * updateRedirectOn explicitly updates the redirect table (and not the page table).
1717                  * Most of core checks the page table for redirect status, so we have to be ugly and
1718                  * assert a select from the table here.
1719                  */
1720                 $this->assertRedirectTableCountForPageId( $page->getId(), $expectedRowCount );
1721         }
1722
1723         private function assertRedirectTableCountForPageId( $pageId, $expected ) {
1724                 $this->assertSelect(
1725                         'redirect',
1726                         'COUNT(*)',
1727                         [ 'rd_from' => $pageId ],
1728                         [ [ strval( $expected ) ] ]
1729                 );
1730         }
1731
1732         /**
1733          * @covers WikiPage::insertRedirectEntry
1734          */
1735         public function testInsertRedirectEntry_insertsRedirectEntry() {
1736                 $page = $this->createPage( Title::newFromText( __METHOD__ ), 'A' );
1737                 $this->assertRedirectTableCountForPageId( $page->getId(), 0 );
1738
1739                 $targetTitle = Title::newFromText( 'SomeTarget#Frag' );
1740                 $targetTitle->mInterwiki = 'eninter';
1741                 $page->insertRedirectEntry( $targetTitle, null );
1742
1743                 $this->assertSelect(
1744                         'redirect',
1745                         [ 'rd_from', 'rd_namespace', 'rd_title', 'rd_fragment', 'rd_interwiki' ],
1746                         [ 'rd_from' => $page->getId() ],
1747                         [ [
1748                                 strval( $page->getId() ),
1749                                 strval( $targetTitle->getNamespace() ),
1750                                 strval( $targetTitle->getDBkey() ),
1751                                 strval( $targetTitle->getFragment() ),
1752                                 strval( $targetTitle->getInterwiki() ),
1753                         ] ]
1754                 );
1755         }
1756
1757         /**
1758          * @covers WikiPage::insertRedirectEntry
1759          */
1760         public function testInsertRedirectEntry_insertsRedirectEntryWithPageLatest() {
1761                 $page = $this->createPage( Title::newFromText( __METHOD__ ), 'A' );
1762                 $this->assertRedirectTableCountForPageId( $page->getId(), 0 );
1763
1764                 $targetTitle = Title::newFromText( 'SomeTarget#Frag' );
1765                 $targetTitle->mInterwiki = 'eninter';
1766                 $page->insertRedirectEntry( $targetTitle, $page->getLatest() );
1767
1768                 $this->assertSelect(
1769                         'redirect',
1770                         [ 'rd_from', 'rd_namespace', 'rd_title', 'rd_fragment', 'rd_interwiki' ],
1771                         [ 'rd_from' => $page->getId() ],
1772                         [ [
1773                                 strval( $page->getId() ),
1774                                 strval( $targetTitle->getNamespace() ),
1775                                 strval( $targetTitle->getDBkey() ),
1776                                 strval( $targetTitle->getFragment() ),
1777                                 strval( $targetTitle->getInterwiki() ),
1778                         ] ]
1779                 );
1780         }
1781
1782         /**
1783          * @covers WikiPage::insertRedirectEntry
1784          */
1785         public function testInsertRedirectEntry_doesNotInsertIfPageLatestIncorrect() {
1786                 $page = $this->createPage( Title::newFromText( __METHOD__ ), 'A' );
1787                 $this->assertRedirectTableCountForPageId( $page->getId(), 0 );
1788
1789                 $targetTitle = Title::newFromText( 'SomeTarget#Frag' );
1790                 $targetTitle->mInterwiki = 'eninter';
1791                 $page->insertRedirectEntry( $targetTitle, 215251 );
1792
1793                 $this->assertRedirectTableCountForPageId( $page->getId(), 0 );
1794         }
1795
1796         private function getRow( array $overrides = [] ) {
1797                 $row = [
1798                         'page_id' => '44',
1799                         'page_len' => '76',
1800                         'page_is_redirect' => '1',
1801                         'page_latest' => '99',
1802                         'page_namespace' => '3',
1803                         'page_title' => 'JaJaTitle',
1804                         'page_restrictions' => 'edit=autoconfirmed,sysop:move=sysop',
1805                         'page_touched' => '20120101020202',
1806                         'page_links_updated' => '20140101020202',
1807                 ];
1808                 foreach ( $overrides as $key => $value ) {
1809                         $row[$key] = $value;
1810                 }
1811                 return (object)$row;
1812         }
1813
1814         public function provideNewFromRowSuccess() {
1815                 yield 'basic row' => [
1816                         $this->getRow(),
1817                         function ( WikiPage $wikiPage, self $test ) {
1818                                 $test->assertSame( 44, $wikiPage->getId() );
1819                                 $test->assertSame( 76, $wikiPage->getTitle()->getLength() );
1820                                 $test->assertTrue( $wikiPage->isRedirect() );
1821                                 $test->assertSame( 99, $wikiPage->getLatest() );
1822                                 $test->assertSame( 3, $wikiPage->getTitle()->getNamespace() );
1823                                 $test->assertSame( 'JaJaTitle', $wikiPage->getTitle()->getDBkey() );
1824                                 $test->assertSame(
1825                                         [
1826                                                 'edit' => [ 'autoconfirmed', 'sysop' ],
1827                                                 'move' => [ 'sysop' ],
1828                                         ],
1829                                         $wikiPage->getTitle()->getAllRestrictions()
1830                                 );
1831                                 $test->assertSame( '20120101020202', $wikiPage->getTouched() );
1832                                 $test->assertSame( '20140101020202', $wikiPage->getLinksTimestamp() );
1833                         }
1834                 ];
1835                 yield 'different timestamp formats' => [
1836                         $this->getRow( [
1837                                 'page_touched' => '2012-01-01 02:02:02',
1838                                 'page_links_updated' => '2014-01-01 02:02:02',
1839                         ] ),
1840                         function ( WikiPage $wikiPage, self $test ) {
1841                                 $test->assertSame( '20120101020202', $wikiPage->getTouched() );
1842                                 $test->assertSame( '20140101020202', $wikiPage->getLinksTimestamp() );
1843                         }
1844                 ];
1845                 yield 'no restrictions' => [
1846                         $this->getRow( [
1847                                 'page_restrictions' => '',
1848                         ] ),
1849                         function ( WikiPage $wikiPage, self $test ) {
1850                         $test->assertSame(
1851                                 [
1852                                         'edit' => [],
1853                                         'move' => [],
1854                                 ],
1855                                 $wikiPage->getTitle()->getAllRestrictions()
1856                         );
1857                         }
1858                 ];
1859                 yield 'not redirect' => [
1860                         $this->getRow( [
1861                                 'page_is_redirect' => '0',
1862                         ] ),
1863                         function ( WikiPage $wikiPage, self $test ) {
1864                                 $test->assertFalse( $wikiPage->isRedirect() );
1865                         }
1866                 ];
1867         }
1868
1869         /**
1870          * @covers WikiPage::newFromRow
1871          * @covers WikiPage::loadFromRow
1872          * @dataProvider provideNewFromRowSuccess
1873          *
1874          * @param object $row
1875          * @param callable $assertions
1876          */
1877         public function testNewFromRow( $row, $assertions ) {
1878                 $page = WikiPage::newFromRow( $row, 'fromdb' );
1879                 $assertions( $page, $this );
1880         }
1881
1882         public function provideTestNewFromId_returnsNullOnBadPageId() {
1883                 yield[ 0 ];
1884                 yield[ -11 ];
1885         }
1886
1887         /**
1888          * @covers WikiPage::newFromID
1889          * @dataProvider provideTestNewFromId_returnsNullOnBadPageId
1890          */
1891         public function testNewFromId_returnsNullOnBadPageId( $pageId ) {
1892                 $this->assertNull( WikiPage::newFromID( $pageId ) );
1893         }
1894
1895         /**
1896          * @covers WikiPage::newFromID
1897          */
1898         public function testNewFromId_appearsToFetchCorrectRow() {
1899                 $createdPage = $this->createPage( __METHOD__, 'Xsfaij09' );
1900                 $fetchedPage = WikiPage::newFromID( $createdPage->getId() );
1901                 $this->assertSame( $createdPage->getId(), $fetchedPage->getId() );
1902                 $this->assertEquals(
1903                         $createdPage->getContent()->getNativeData(),
1904                         $fetchedPage->getContent()->getNativeData()
1905                 );
1906         }
1907
1908         /**
1909          * @covers WikiPage::newFromID
1910          */
1911         public function testNewFromId_returnsNullOnNonExistingId() {
1912                 $this->assertNull( WikiPage::newFromID( 2147483647 ) );
1913         }
1914
1915         public function provideTestInsertProtectNullRevision() {
1916                 // phpcs:disable Generic.Files.LineLength
1917                 yield [
1918                         'goat-message-key',
1919                         [ 'edit' => 'sysop' ],
1920                         [ 'edit' => '20200101040404' ],
1921                         false,
1922                         'Goat Reason',
1923                         true,
1924                         '(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)))'
1925                 ];
1926                 yield [
1927                         'goat-key',
1928                         [ 'edit' => 'sysop', 'move' => 'something' ],
1929                         [ 'edit' => '20200101040404', 'move' => '20210101050505' ],
1930                         false,
1931                         'Goat Goat',
1932                         true,
1933                         '(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)))'
1934                 ];
1935                 // phpcs:enable
1936         }
1937
1938         /**
1939          * @dataProvider provideTestInsertProtectNullRevision
1940          * @covers WikiPage::insertProtectNullRevision
1941          * @covers WikiPage::protectDescription
1942          *
1943          * @param string $revCommentMsg
1944          * @param array $limit
1945          * @param array $expiry
1946          * @param bool $cascade
1947          * @param string $reason
1948          * @param bool|null $user true if the test sysop should be used, or null
1949          * @param string $expectedComment
1950          */
1951         public function testInsertProtectNullRevision(
1952                 $revCommentMsg,
1953                 array $limit,
1954                 array $expiry,
1955                 $cascade,
1956                 $reason,
1957                 $user,
1958                 $expectedComment
1959         ) {
1960                 $this->setContentLang( 'qqx' );
1961
1962                 $page = $this->createPage( __METHOD__, 'Goat' );
1963
1964                 $user = $user === null ? $user : $this->getTestSysop()->getUser();
1965
1966                 $result = $page->insertProtectNullRevision(
1967                         $revCommentMsg,
1968                         $limit,
1969                         $expiry,
1970                         $cascade,
1971                         $reason,
1972                         $user
1973                 );
1974
1975                 $this->assertTrue( $result instanceof Revision );
1976                 $this->assertSame( $expectedComment, $result->getComment( Revision::RAW ) );
1977         }
1978
1979         /**
1980          * @covers WikiPage::updateRevisionOn
1981          */
1982         public function testUpdateRevisionOn_existingPage() {
1983                 $user = $this->getTestSysop()->getUser();
1984                 $page = $this->createPage( __METHOD__, 'StartText' );
1985
1986                 $revision = new Revision(
1987                         [
1988                                 'id' => 9989,
1989                                 'page' => $page->getId(),
1990                                 'title' => $page->getTitle(),
1991                                 'comment' => __METHOD__,
1992                                 'minor_edit' => true,
1993                                 'text' => __METHOD__ . '-text',
1994                                 'len' => strlen( __METHOD__ . '-text' ),
1995                                 'user' => $user->getId(),
1996                                 'user_text' => $user->getName(),
1997                                 'timestamp' => '20170707040404',
1998                                 'content_model' => CONTENT_MODEL_WIKITEXT,
1999                                 'content_format' => CONTENT_FORMAT_WIKITEXT,
2000                         ]
2001                 );
2002
2003                 $result = $page->updateRevisionOn( $this->db, $revision );
2004                 $this->assertTrue( $result );
2005                 $this->assertSame( 9989, $page->getLatest() );
2006                 $this->assertEquals( $revision, $page->getRevision() );
2007         }
2008
2009         /**
2010          * @covers WikiPage::updateRevisionOn
2011          */
2012         public function testUpdateRevisionOn_NonExistingPage() {
2013                 $user = $this->getTestSysop()->getUser();
2014                 $page = $this->createPage( __METHOD__, 'StartText' );
2015                 $page->doDeleteArticle( 'reason' );
2016
2017                 $revision = new Revision(
2018                         [
2019                                 'id' => 9989,
2020                                 'page' => $page->getId(),
2021                                 'title' => $page->getTitle(),
2022                                 'comment' => __METHOD__,
2023                                 'minor_edit' => true,
2024                                 'text' => __METHOD__ . '-text',
2025                                 'len' => strlen( __METHOD__ . '-text' ),
2026                                 'user' => $user->getId(),
2027                                 'user_text' => $user->getName(),
2028                                 'timestamp' => '20170707040404',
2029                                 'content_model' => CONTENT_MODEL_WIKITEXT,
2030                                 'content_format' => CONTENT_FORMAT_WIKITEXT,
2031                         ]
2032                 );
2033
2034                 $result = $page->updateRevisionOn( $this->db, $revision );
2035                 $this->assertFalse( $result );
2036         }
2037
2038         /**
2039          * @covers WikiPage::updateIfNewerOn
2040          */
2041         public function testUpdateIfNewerOn_olderRevision() {
2042                 $user = $this->getTestSysop()->getUser();
2043                 $page = $this->createPage( __METHOD__, 'StartText' );
2044                 $initialRevision = $page->getRevision();
2045
2046                 $olderTimeStamp = wfTimestamp(
2047                         TS_MW,
2048                         wfTimestamp( TS_UNIX, $initialRevision->getTimestamp() ) - 1
2049                 );
2050
2051                 $olderRevison = new Revision(
2052                         [
2053                                 'id' => 9989,
2054                                 'page' => $page->getId(),
2055                                 'title' => $page->getTitle(),
2056                                 'comment' => __METHOD__,
2057                                 'minor_edit' => true,
2058                                 'text' => __METHOD__ . '-text',
2059                                 'len' => strlen( __METHOD__ . '-text' ),
2060                                 'user' => $user->getId(),
2061                                 'user_text' => $user->getName(),
2062                                 'timestamp' => $olderTimeStamp,
2063                                 'content_model' => CONTENT_MODEL_WIKITEXT,
2064                                 'content_format' => CONTENT_FORMAT_WIKITEXT,
2065                         ]
2066                 );
2067
2068                 $result = $page->updateIfNewerOn( $this->db, $olderRevison );
2069                 $this->assertFalse( $result );
2070         }
2071
2072         /**
2073          * @covers WikiPage::updateIfNewerOn
2074          */
2075         public function testUpdateIfNewerOn_newerRevision() {
2076                 $user = $this->getTestSysop()->getUser();
2077                 $page = $this->createPage( __METHOD__, 'StartText' );
2078                 $initialRevision = $page->getRevision();
2079
2080                 $newerTimeStamp = wfTimestamp(
2081                         TS_MW,
2082                         wfTimestamp( TS_UNIX, $initialRevision->getTimestamp() ) + 1
2083                 );
2084
2085                 $newerRevision = new Revision(
2086                         [
2087                                 'id' => 9989,
2088                                 'page' => $page->getId(),
2089                                 'title' => $page->getTitle(),
2090                                 'comment' => __METHOD__,
2091                                 'minor_edit' => true,
2092                                 'text' => __METHOD__ . '-text',
2093                                 'len' => strlen( __METHOD__ . '-text' ),
2094                                 'user' => $user->getId(),
2095                                 'user_text' => $user->getName(),
2096                                 'timestamp' => $newerTimeStamp,
2097                                 'content_model' => CONTENT_MODEL_WIKITEXT,
2098                                 'content_format' => CONTENT_FORMAT_WIKITEXT,
2099                         ]
2100                 );
2101                 $result = $page->updateIfNewerOn( $this->db, $newerRevision );
2102                 $this->assertTrue( $result );
2103         }
2104
2105         /**
2106          * @covers WikiPage::insertOn
2107          */
2108         public function testInsertOn() {
2109                 $title = Title::newFromText( __METHOD__ );
2110                 $page = new WikiPage( $title );
2111
2112                 $startTimeStamp = wfTimestampNow();
2113                 $result = $page->insertOn( $this->db );
2114                 $endTimeStamp = wfTimestampNow();
2115
2116                 $this->assertInternalType( 'int', $result );
2117                 $this->assertTrue( $result > 0 );
2118
2119                 $condition = [ 'page_id' => $result ];
2120
2121                 // Check the default fields have been filled
2122                 $this->assertSelect(
2123                         'page',
2124                         [
2125                                 'page_namespace',
2126                                 'page_title',
2127                                 'page_restrictions',
2128                                 'page_is_redirect',
2129                                 'page_is_new',
2130                                 'page_latest',
2131                                 'page_len',
2132                         ],
2133                         $condition,
2134                         [ [
2135                                 '0',
2136                                 __METHOD__,
2137                                 '',
2138                                 '0',
2139                                 '1',
2140                                 '0',
2141                                 '0',
2142                         ] ]
2143                 );
2144
2145                 // Check the page_random field has been filled
2146                 $pageRandom = $this->db->selectField( 'page', 'page_random', $condition );
2147                 $this->assertTrue( (float)$pageRandom < 1 && (float)$pageRandom > 0 );
2148
2149                 // Assert the touched timestamp in the DB is roughly when we inserted the page
2150                 $pageTouched = $this->db->selectField( 'page', 'page_touched', $condition );
2151                 $this->assertTrue(
2152                         wfTimestamp( TS_UNIX, $startTimeStamp )
2153                         <= wfTimestamp( TS_UNIX, $pageTouched )
2154                 );
2155                 $this->assertTrue(
2156                         wfTimestamp( TS_UNIX, $endTimeStamp )
2157                         >= wfTimestamp( TS_UNIX, $pageTouched )
2158                 );
2159
2160                 // Try inserting the same page again and checking the result is false (no change)
2161                 $result = $page->insertOn( $this->db );
2162                 $this->assertFalse( $result );
2163         }
2164
2165         /**
2166          * @covers WikiPage::insertOn
2167          */
2168         public function testInsertOn_idSpecified() {
2169                 $title = Title::newFromText( __METHOD__ );
2170                 $page = new WikiPage( $title );
2171                 $id = 1478952189;
2172
2173                 $result = $page->insertOn( $this->db, $id );
2174
2175                 $this->assertSame( $id, $result );
2176
2177                 $condition = [ 'page_id' => $result ];
2178
2179                 // Check there is actually a row in the db
2180                 $this->assertSelect(
2181                         'page',
2182                         [ 'page_title' ],
2183                         $condition,
2184                         [ [ __METHOD__ ] ]
2185                 );
2186         }
2187
2188         public function provideTestDoUpdateRestrictions_setBasicRestrictions() {
2189                 // Note: Once the current dates passes the date in these tests they will fail.
2190                 yield 'move something' => [
2191                         true,
2192                         [ 'move' => 'something' ],
2193                         [],
2194                         [ 'edit' => [], 'move' => [ 'something' ] ],
2195                         [],
2196                 ];
2197                 yield 'move something, edit blank' => [
2198                         true,
2199                         [ 'move' => 'something', 'edit' => '' ],
2200                         [],
2201                         [ 'edit' => [], 'move' => [ 'something' ] ],
2202                         [],
2203                 ];
2204                 yield 'edit sysop, with expiry' => [
2205                         true,
2206                         [ 'edit' => 'sysop' ],
2207                         [ 'edit' => '21330101020202' ],
2208                         [ 'edit' => [ 'sysop' ], 'move' => [] ],
2209                         [ 'edit' => '21330101020202' ],
2210                 ];
2211                 yield 'move and edit, move with expiry' => [
2212                         true,
2213                         [ 'move' => 'something', 'edit' => 'another' ],
2214                         [ 'move' => '22220202010101' ],
2215                         [ 'edit' => [ 'another' ], 'move' => [ 'something' ] ],
2216                         [ 'move' => '22220202010101' ],
2217                 ];
2218                 yield 'move and edit, edit with infinity expiry' => [
2219                         true,
2220                         [ 'move' => 'something', 'edit' => 'another' ],
2221                         [ 'edit' => 'infinity' ],
2222                         [ 'edit' => [ 'another' ], 'move' => [ 'something' ] ],
2223                         [ 'edit' => 'infinity' ],
2224                 ];
2225                 yield 'non existing, create something' => [
2226                         false,
2227                         [ 'create' => 'something' ],
2228                         [],
2229                         [ 'create' => [ 'something' ] ],
2230                         [],
2231                 ];
2232                 yield 'non existing, create something with expiry' => [
2233                         false,
2234                         [ 'create' => 'something' ],
2235                         [ 'create' => '23451212112233' ],
2236                         [ 'create' => [ 'something' ] ],
2237                         [ 'create' => '23451212112233' ],
2238                 ];
2239         }
2240
2241         /**
2242          * @dataProvider provideTestDoUpdateRestrictions_setBasicRestrictions
2243          * @covers WikiPage::doUpdateRestrictions
2244          */
2245         public function testDoUpdateRestrictions_setBasicRestrictions(
2246                 $pageExists,
2247                 array $limit,
2248                 array $expiry,
2249                 array $expectedRestrictions,
2250                 array $expectedRestrictionExpiries
2251         ) {
2252                 if ( $pageExists ) {
2253                         $page = $this->createPage( __METHOD__, 'ABC' );
2254                 } else {
2255                         $page = new WikiPage( Title::newFromText( __METHOD__ . '-nonexist' ) );
2256                 }
2257                 $user = $this->getTestSysop()->getUser();
2258                 $cascade = false;
2259
2260                 $status = $page->doUpdateRestrictions( $limit, $expiry, $cascade, 'aReason', $user, [] );
2261
2262                 $logId = $status->getValue();
2263                 $allRestrictions = $page->getTitle()->getAllRestrictions();
2264
2265                 $this->assertTrue( $status->isGood() );
2266                 $this->assertInternalType( 'int', $logId );
2267                 $this->assertSame( $expectedRestrictions, $allRestrictions );
2268                 foreach ( $expectedRestrictionExpiries as $key => $value ) {
2269                         $this->assertSame( $value, $page->getTitle()->getRestrictionExpiry( $key ) );
2270                 }
2271
2272                 // Make sure the log entry looks good
2273                 // log_params is not checked here
2274                 $actorQuery = ActorMigration::newMigration()->getJoin( 'log_user' );
2275                 $commentQuery = MediaWikiServices::getInstance()->getCommentStore()->getJoin( 'log_comment' );
2276                 $this->assertSelect(
2277                         [ 'logging' ] + $actorQuery['tables'] + $commentQuery['tables'],
2278                         [
2279                                 'log_comment' => $commentQuery['fields']['log_comment_text'],
2280                                 'log_user' => $actorQuery['fields']['log_user'],
2281                                 'log_user_text' => $actorQuery['fields']['log_user_text'],
2282                                 'log_namespace',
2283                                 'log_title',
2284                         ],
2285                         [ 'log_id' => $logId ],
2286                         [ [
2287                                 'aReason',
2288                                 (string)$user->getId(),
2289                                 $user->getName(),
2290                                 (string)$page->getTitle()->getNamespace(),
2291                                 $page->getTitle()->getDBkey(),
2292                         ] ],
2293                         [],
2294                         $actorQuery['joins'] + $commentQuery['joins']
2295                 );
2296         }
2297
2298         /**
2299          * @covers WikiPage::doUpdateRestrictions
2300          */
2301         public function testDoUpdateRestrictions_failsOnReadOnly() {
2302                 $page = $this->createPage( __METHOD__, 'ABC' );
2303                 $user = $this->getTestSysop()->getUser();
2304                 $cascade = false;
2305
2306                 // Set read only
2307                 $readOnly = $this->getMockBuilder( ReadOnlyMode::class )
2308                         ->disableOriginalConstructor()
2309                         ->setMethods( [ 'isReadOnly', 'getReason' ] )
2310                         ->getMock();
2311                 $readOnly->expects( $this->once() )
2312                         ->method( 'isReadOnly' )
2313                         ->will( $this->returnValue( true ) );
2314                 $readOnly->expects( $this->once() )
2315                         ->method( 'getReason' )
2316                         ->will( $this->returnValue( 'Some Read Only Reason' ) );
2317                 $this->setService( 'ReadOnlyMode', $readOnly );
2318
2319                 $status = $page->doUpdateRestrictions( [], [], $cascade, 'aReason', $user, [] );
2320                 $this->assertFalse( $status->isOK() );
2321                 $this->assertSame( 'readonlytext', $status->getMessage()->getKey() );
2322         }
2323
2324         /**
2325          * @covers WikiPage::doUpdateRestrictions
2326          */
2327         public function testDoUpdateRestrictions_returnsGoodIfNothingChanged() {
2328                 $page = $this->createPage( __METHOD__, 'ABC' );
2329                 $user = $this->getTestSysop()->getUser();
2330                 $cascade = false;
2331                 $limit = [ 'edit' => 'sysop' ];
2332
2333                 $status = $page->doUpdateRestrictions(
2334                         $limit,
2335                         [],
2336                         $cascade,
2337                         'aReason',
2338                         $user,
2339                         []
2340                 );
2341
2342                 // The first entry should have a logId as it did something
2343                 $this->assertTrue( $status->isGood() );
2344                 $this->assertInternalType( 'int', $status->getValue() );
2345
2346                 $status = $page->doUpdateRestrictions(
2347                         $limit,
2348                         [],
2349                         $cascade,
2350                         'aReason',
2351                         $user,
2352                         []
2353                 );
2354
2355                 // The second entry should not have a logId as nothing changed
2356                 $this->assertTrue( $status->isGood() );
2357                 $this->assertNull( $status->getValue() );
2358         }
2359
2360         /**
2361          * @covers WikiPage::doUpdateRestrictions
2362          */
2363         public function testDoUpdateRestrictions_logEntryTypeAndAction() {
2364                 $page = $this->createPage( __METHOD__, 'ABC' );
2365                 $user = $this->getTestSysop()->getUser();
2366                 $cascade = false;
2367
2368                 // Protect the page
2369                 $status = $page->doUpdateRestrictions(
2370                         [ 'edit' => 'sysop' ],
2371                         [],
2372                         $cascade,
2373                         'aReason',
2374                         $user,
2375                         []
2376                 );
2377                 $this->assertTrue( $status->isGood() );
2378                 $this->assertInternalType( 'int', $status->getValue() );
2379                 $this->assertSelect(
2380                         'logging',
2381                         [ 'log_type', 'log_action' ],
2382                         [ 'log_id' => $status->getValue() ],
2383                         [ [ 'protect', 'protect' ] ]
2384                 );
2385
2386                 // Modify the protection
2387                 $status = $page->doUpdateRestrictions(
2388                         [ 'edit' => 'somethingElse' ],
2389                         [],
2390                         $cascade,
2391                         'aReason',
2392                         $user,
2393                         []
2394                 );
2395                 $this->assertTrue( $status->isGood() );
2396                 $this->assertInternalType( 'int', $status->getValue() );
2397                 $this->assertSelect(
2398                         'logging',
2399                         [ 'log_type', 'log_action' ],
2400                         [ 'log_id' => $status->getValue() ],
2401                         [ [ 'protect', 'modify' ] ]
2402                 );
2403
2404                 // Remove the protection
2405                 $status = $page->doUpdateRestrictions(
2406                         [],
2407                         [],
2408                         $cascade,
2409                         'aReason',
2410                         $user,
2411                         []
2412                 );
2413                 $this->assertTrue( $status->isGood() );
2414                 $this->assertInternalType( 'int', $status->getValue() );
2415                 $this->assertSelect(
2416                         'logging',
2417                         [ 'log_type', 'log_action' ],
2418                         [ 'log_id' => $status->getValue() ],
2419                         [ [ 'protect', 'unprotect' ] ]
2420                 );
2421         }
2422
2423         /**
2424          * @covers WikiPage::newPageUpdater
2425          * @covers WikiPage::getDerivedDataUpdater
2426          */
2427         public function testNewPageUpdater() {
2428                 $user = $this->getTestUser()->getUser();
2429                 $page = $this->newPage( __METHOD__, __METHOD__ );
2430
2431                 /** @var Content $content */
2432                 $content = $this->getMockBuilder( WikitextContent::class )
2433                         ->setConstructorArgs( [ 'Hello World' ] )
2434                         ->setMethods( [ 'getParserOutput' ] )
2435                         ->getMock();
2436                 $content->expects( $this->once() )
2437                         ->method( 'getParserOutput' )
2438                         ->willReturn( new ParserOutput( 'HTML' ) );
2439
2440                 $preparedEditBefore = $page->prepareContentForEdit( $content, null, $user );
2441
2442                 // provide context, so the cache can be kept in place
2443                 $slotsUpdate = new revisionSlotsUpdate();
2444                 $slotsUpdate->modifyContent( SlotRecord::MAIN, $content );
2445
2446                 $updater = $page->newPageUpdater( $user, $slotsUpdate );
2447                 $updater->setContent( SlotRecord::MAIN, $content );
2448                 $revision = $updater->saveRevision(
2449                         CommentStoreComment::newUnsavedComment( 'test' ),
2450                         EDIT_NEW
2451                 );
2452
2453                 $preparedEditAfter = $page->prepareContentForEdit( $content, $revision, $user );
2454
2455                 $this->assertSame( $revision->getId(), $page->getLatest() );
2456
2457                 // Parsed output must remain cached throughout.
2458                 $this->assertSame( $preparedEditBefore->output, $preparedEditAfter->output );
2459         }
2460
2461         /**
2462          * @covers WikiPage::newPageUpdater
2463          * @covers WikiPage::getDerivedDataUpdater
2464          */
2465         public function testGetDerivedDataUpdater() {
2466                 $admin = $this->getTestSysop()->getUser();
2467
2468                 /** @var object $page */
2469                 $page = $this->createPage( __METHOD__, __METHOD__ );
2470                 $page = TestingAccessWrapper::newFromObject( $page );
2471
2472                 $revision = $page->getRevision()->getRevisionRecord();
2473                 $user = $revision->getUser();
2474
2475                 $slotsUpdate = new RevisionSlotsUpdate();
2476                 $slotsUpdate->modifyContent( SlotRecord::MAIN, new WikitextContent( 'Hello World' ) );
2477
2478                 // get a virgin updater
2479                 $updater1 = $page->getDerivedDataUpdater( $user );
2480                 $this->assertFalse( $updater1->isUpdatePrepared() );
2481
2482                 $updater1->prepareUpdate( $revision );
2483
2484                 // Re-use updater with same revision or content, even if base changed
2485                 $this->assertSame( $updater1, $page->getDerivedDataUpdater( $user, $revision ) );
2486
2487                 $slotsUpdate = RevisionSlotsUpdate::newFromContent(
2488                         [ SlotRecord::MAIN => $revision->getContent( SlotRecord::MAIN ) ]
2489                 );
2490                 $this->assertSame( $updater1, $page->getDerivedDataUpdater( $user, null, $slotsUpdate ) );
2491
2492                 // Don't re-use for edit if base revision ID changed
2493                 $this->assertNotSame(
2494                         $updater1,
2495                         $page->getDerivedDataUpdater( $user, null, $slotsUpdate, true )
2496                 );
2497
2498                 // Don't re-use with different user
2499                 $updater2a = $page->getDerivedDataUpdater( $admin, null, $slotsUpdate );
2500                 $updater2a->prepareContent( $admin, $slotsUpdate, false );
2501
2502                 $updater2b = $page->getDerivedDataUpdater( $user, null, $slotsUpdate );
2503                 $updater2b->prepareContent( $user, $slotsUpdate, false );
2504                 $this->assertNotSame( $updater2a, $updater2b );
2505
2506                 // Don't re-use with different content
2507                 $updater3 = $page->getDerivedDataUpdater( $admin, null, $slotsUpdate );
2508                 $updater3->prepareUpdate( $revision );
2509                 $this->assertNotSame( $updater2b, $updater3 );
2510
2511                 // Don't re-use if no context given
2512                 $updater4 = $page->getDerivedDataUpdater( $admin );
2513                 $updater4->prepareUpdate( $revision );
2514                 $this->assertNotSame( $updater3, $updater4 );
2515
2516                 // Don't re-use if AGAIN no context given
2517                 $updater5 = $page->getDerivedDataUpdater( $admin );
2518                 $this->assertNotSame( $updater4, $updater5 );
2519
2520                 // Don't re-use cached "virgin" unprepared updater
2521                 $updater6 = $page->getDerivedDataUpdater( $admin, $revision );
2522                 $this->assertNotSame( $updater5, $updater6 );
2523         }
2524
2525         protected function assertPreparedEditEquals(
2526                 PreparedEdit $edit, PreparedEdit $edit2, $message = ''
2527         ) {
2528                 // suppress differences caused by a clock tick between generating the two PreparedEdits
2529                 if ( abs( $edit->timestamp - $edit2->timestamp ) < 3 ) {
2530                         $edit2 = clone $edit2;
2531                         $edit2->timestamp = $edit->timestamp;
2532                 }
2533                 $this->assertEquals( $edit, $edit2, $message );
2534         }
2535
2536         protected function assertPreparedEditNotEquals(
2537                 PreparedEdit $edit, PreparedEdit $edit2, $message = ''
2538         ) {
2539                 if ( abs( $edit->timestamp - $edit2->timestamp ) < 3 ) {
2540                         $edit2 = clone $edit2;
2541                         $edit2->timestamp = $edit->timestamp;
2542                 }
2543                 $this->assertNotEquals( $edit, $edit2, $message );
2544         }
2545
2546 }