tests/phpunit/includes/content/ContentHandlerTest.php

   1 <?php
   2
   3 use MediaWiki\Content\ContentHandler;
   4 use MediaWiki\Content\CssContentHandler;
   5 use MediaWiki\Content\JavaScriptContentHandler;
   6 use MediaWiki\Content\JsonContent;
   7 use MediaWiki\Content\JsonContentHandler;
   8 use MediaWiki\Content\TextContentHandler;
   9 use MediaWiki\Content\ValidationParams;
  10 use MediaWiki\Content\WikitextContent;
  11 use MediaWiki\Content\WikitextContentHandler;
  12 use MediaWiki\Context\RequestContext;
  13 use MediaWiki\Language\Language;
  14 use MediaWiki\Languages\LanguageNameUtils;
  15 use MediaWiki\Linker\LinkRenderer;
  16 use MediaWiki\MainConfigNames;
  17 use MediaWiki\Page\Hook\OpportunisticLinksUpdateHook;
  18 use MediaWiki\Page\PageIdentity;
  19 use MediaWiki\Page\PageIdentityValue;
  20 use MediaWiki\Parser\MagicWordFactory;
  21 use MediaWiki\Parser\ParserFactory;
  22 use MediaWiki\Parser\ParserOutput;
  23 use MediaWiki\Parser\Parsoid\ParsoidParserFactory;
  24 use MediaWiki\Title\Title;
  25 use MediaWiki\Title\TitleFactory;
  26 use Wikimedia\TestingAccessWrapper;
  27 use Wikimedia\UUID\GlobalIdGenerator;
  28
  29 /**
  30  * @group ContentHandler
  31  * @group Database
  32  * @covers \MediaWiki\Content\ContentHandler
  33  */
  34 class ContentHandlerTest extends MediaWikiIntegrationTestCase {
  35
  36         protected function setUp(): void {
  37                 parent::setUp();
  38
  39                 $this->overrideConfigValues( [
  40                         MainConfigNames::ExtraNamespaces => [
  41                                 12312 => 'Dummy',
  42                                 12313 => 'Dummy_talk',
  43                         ],
  44                         // The below tests assume that namespaces not mentioned here (Help, User, MediaWiki, ..)
  45                         // default to CONTENT_MODEL_WIKITEXT.
  46                         MainConfigNames::NamespaceContentModels => [
  47                                 12312 => 'testing',
  48                         ],
  49                         MainConfigNames::ContentHandlers => [
  50                                 CONTENT_MODEL_WIKITEXT => [
  51                                         'class' => WikitextContentHandler::class,
  52                                         'services' => [
  53                                                 'TitleFactory',
  54                                                 'ParserFactory',
  55                                                 'GlobalIdGenerator',
  56                                                 'LanguageNameUtils',
  57                                                 'LinkRenderer',
  58                                                 'MagicWordFactory',
  59                                                 'ParsoidParserFactory',
  60                                         ],
  61                                 ],
  62                                 CONTENT_MODEL_JAVASCRIPT => JavaScriptContentHandler::class,
  63                                 CONTENT_MODEL_JSON => JsonContentHandler::class,
  64                                 CONTENT_MODEL_CSS => CssContentHandler::class,
  65                                 CONTENT_MODEL_TEXT => TextContentHandler::class,
  66                                 'testing' => DummyContentHandlerForTesting::class,
  67                                 'testing-callbacks' => static function ( $modelId ) {
  68                                         return new DummyContentHandlerForTesting( $modelId );
  69                                 }
  70                         ],
  71                 ] );
  72         }
  73
  74         public function addDBDataOnce() {
  75                 $this->insertPage( 'Not_Main_Page', 'This is not a main page' );
  76                 $this->insertPage( 'Smithee', 'A smithee is one who smiths. See also [[Alan Smithee]]' );
  77         }
  78
  79         public static function dataGetDefaultModelFor() {
  80                 return [
  81                         [ 'Help:Foo', CONTENT_MODEL_WIKITEXT ],
  82                         [ 'Help:Foo.js', CONTENT_MODEL_WIKITEXT ],
  83                         [ 'Help:Foo.css', CONTENT_MODEL_WIKITEXT ],
  84                         [ 'Help:Foo.json', CONTENT_MODEL_WIKITEXT ],
  85                         [ 'Help:Foo/bar.js', CONTENT_MODEL_WIKITEXT ],
  86                         [ 'User:Foo', CONTENT_MODEL_WIKITEXT ],
  87                         [ 'User:Foo.js', CONTENT_MODEL_WIKITEXT ],
  88                         [ 'User:Foo.css', CONTENT_MODEL_WIKITEXT ],
  89                         [ 'User:Foo.json', CONTENT_MODEL_WIKITEXT ],
  90                         [ 'User:Foo/bar.js', CONTENT_MODEL_JAVASCRIPT ],
  91                         [ 'User:Foo/bar.css', CONTENT_MODEL_CSS ],
  92                         [ 'User:Foo/bar.json', CONTENT_MODEL_JSON ],
  93                         [ 'User:Foo/bar.json.nope', CONTENT_MODEL_WIKITEXT ],
  94                         [ 'User talk:Foo/bar.css', CONTENT_MODEL_WIKITEXT ],
  95                         [ 'User:Foo/bar.js.xxx', CONTENT_MODEL_WIKITEXT ],
  96                         [ 'User:Foo/bar.xxx', CONTENT_MODEL_WIKITEXT ],
  97                         [ 'MediaWiki:Foo.js', CONTENT_MODEL_JAVASCRIPT ],
  98                         [ 'MediaWiki:Foo.JS', CONTENT_MODEL_WIKITEXT ],
  99                         [ 'MediaWiki:Foo.css', CONTENT_MODEL_CSS ],
 100                         [ 'MediaWiki:Foo.css.xxx', CONTENT_MODEL_WIKITEXT ],
 101                         [ 'MediaWiki:Foo.CSS', CONTENT_MODEL_WIKITEXT ],
 102                         [ 'MediaWiki:Foo.json', CONTENT_MODEL_JSON ],
 103                         [ 'MediaWiki:Foo.JSON', CONTENT_MODEL_WIKITEXT ],
 104                 ];
 105         }
 106
 107         /**
 108          * @dataProvider dataGetDefaultModelFor
 109          */
 110         public function testGetDefaultModelFor( $title, $expectedModelId ) {
 111                 $title = Title::newFromText( $title );
 112                 $this->hideDeprecated( 'MediaWiki\\Content\\ContentHandler::getDefaultModelFor' );
 113                 $this->assertEquals( $expectedModelId, ContentHandler::getDefaultModelFor( $title ) );
 114         }
 115
 116         public static function dataGetLocalizedName() {
 117                 return [
 118                         [ null, null ],
 119                         [ "xyzzy", null ],
 120
 121                         // XXX: depends on content language
 122                         [ CONTENT_MODEL_JAVASCRIPT, '/javascript/i' ],
 123                 ];
 124         }
 125
 126         /**
 127          * @dataProvider dataGetLocalizedName
 128          */
 129         public function testGetLocalizedName( $id, $expected ) {
 130                 $name = ContentHandler::getLocalizedName( $id );
 131
 132                 if ( $expected ) {
 133                         $this->assertNotNull( $name, "no name found for content model $id" );
 134                         $this->assertTrue( preg_match( $expected, $name ) > 0,
 135                                 "content model name for #$id did not match pattern $expected"
 136                         );
 137                 } else {
 138                         $this->assertEquals( $id, $name, "localization of unknown model $id should have "
 139                                 . "fallen back to use the model id directly."
 140                         );
 141                 }
 142         }
 143
 144         public static function dataGetPageLanguage() {
 145                 global $wgLanguageCode;
 146
 147                 return [
 148                         [ "Main", $wgLanguageCode ],
 149                         [ "Dummy:Foo", $wgLanguageCode ],
 150                         [ "MediaWiki:common.js", 'en' ],
 151                         [ "User:Foo/common.js", 'en' ],
 152                         [ "MediaWiki:common.css", 'en' ],
 153                         [ "User:Foo/common.css", 'en' ],
 154                         [ "User:Foo", $wgLanguageCode ],
 155                 ];
 156         }
 157
 158         /**
 159          * @dataProvider dataGetPageLanguage
 160          */
 161         public function testGetPageLanguage( $title, $expected ) {
 162                 $title = Title::newFromText( $title );
 163                 $this->getServiceContainer()->getLinkCache()->addBadLinkObj( $title );
 164
 165                 $handler = $this->getServiceContainer()
 166                         ->getContentHandlerFactory()
 167                         ->getContentHandler( $title->getContentModel() );
 168                 $lang = $handler->getPageLanguage( $title );
 169
 170                 $this->assertInstanceOf( Language::class, $lang );
 171                 $this->assertEquals( $expected, $lang->getCode() );
 172         }
 173
 174         public function testGetContentText_Null() {
 175                 $this->hideDeprecated( 'MediaWiki\\Content\\ContentHandler::getContentText' );
 176                 $content = null;
 177                 $text = ContentHandler::getContentText( $content );
 178                 $this->assertSame( '', $text );
 179         }
 180
 181         public function testGetContentText_TextContent() {
 182                 $this->hideDeprecated( 'MediaWiki\\Content\\ContentHandler::getContentText' );
 183                 $content = new WikitextContent( "hello world" );
 184                 $text = ContentHandler::getContentText( $content );
 185                 $this->assertEquals( $content->getText(), $text );
 186         }
 187
 188         public function testGetContentText_NonTextContent() {
 189                 $this->hideDeprecated( 'MediaWiki\\Content\\ContentHandler::getContentText' );
 190                 $content = new DummyContentForTesting( "hello world" );
 191                 $text = ContentHandler::getContentText( $content );
 192                 $this->assertNull( $text );
 193         }
 194
 195         public static function dataMakeContent() {
 196                 return [
 197                         [ 'hallo', 'Help:Test', null, null, CONTENT_MODEL_WIKITEXT, false ],
 198                         [ 'hallo', 'MediaWiki:Test.js', null, null, CONTENT_MODEL_JAVASCRIPT, false ],
 199                         [ 'hallo', 'Dummy:Test', null, null, "testing", false ],
 200
 201                         [
 202                                 'hallo',
 203                                 'Help:Test',
 204                                 null,
 205                                 CONTENT_FORMAT_WIKITEXT,
 206                                 CONTENT_MODEL_WIKITEXT,
 207                                 false
 208                         ],
 209                         [
 210                                 'hallo',
 211                                 'MediaWiki:Test.js',
 212                                 null,
 213                                 CONTENT_FORMAT_JAVASCRIPT,
 214                                 CONTENT_MODEL_JAVASCRIPT,
 215                                 false
 216                         ],
 217                         [ 'hallo', 'Dummy:Test', null, "testing", "testing", false ],
 218
 219                         [ 'hallo', 'Help:Test', CONTENT_MODEL_CSS, null, CONTENT_MODEL_CSS, false ],
 220                         [
 221                                 'hallo',
 222                                 'MediaWiki:Test.js',
 223                                 CONTENT_MODEL_CSS,
 224                                 null,
 225                                 CONTENT_MODEL_CSS,
 226                                 false
 227                         ],
 228                         [
 229                                 serialize( 'hallo' ),
 230                                 'Dummy:Test',
 231                                 CONTENT_MODEL_CSS,
 232                                 null,
 233                                 CONTENT_MODEL_CSS,
 234                                 false
 235                         ],
 236
 237                         [ 'hallo', 'Help:Test', CONTENT_MODEL_WIKITEXT, "testing", null, true ],
 238                         [ 'hallo', 'MediaWiki:Test.js', CONTENT_MODEL_CSS, "testing", null, true ],
 239                         [ 'hallo', 'Dummy:Test', CONTENT_MODEL_JAVASCRIPT, "testing", null, true ],
 240                 ];
 241         }
 242
 243         /**
 244          * @dataProvider dataMakeContent
 245          */
 246         public function testMakeContent( $data, $title, $modelId, $format,
 247                 $expectedModelId, $shouldFail
 248         ) {
 249                 $title = Title::newFromText( $title );
 250                 $this->getServiceContainer()->getLinkCache()->addBadLinkObj( $title );
 251                 try {
 252                         $content = ContentHandler::makeContent( $data, $title, $modelId, $format );
 253
 254                         if ( $shouldFail ) {
 255                                 $this->fail( "ContentHandler::makeContent should have failed!" );
 256                         }
 257
 258                         $this->assertEquals( $expectedModelId, $content->getModel(), 'bad model id' );
 259                         $this->assertEquals( $data, $content->serialize(), 'bad serialized data' );
 260                 } catch ( MWException $ex ) {
 261                         if ( !$shouldFail ) {
 262                                 $this->fail( "ContentHandler::makeContent failed unexpectedly: " . $ex->getMessage() );
 263                         } else {
 264                                 // dummy, so we don't get the "test did not perform any assertions" message.
 265                                 $this->assertTrue( true );
 266                         }
 267                 }
 268         }
 269
 270         /**
 271          * getAutoSummary() should set "Created blank page" summary if we save an empy string.
 272          */
 273         public function testGetAutosummary() {
 274                 $this->setContentLang( 'en' );
 275
 276                 $content = new DummyContentHandlerForTesting( CONTENT_MODEL_WIKITEXT );
 277                 $title = Title::makeTitle( NS_HELP, 'Test' );
 278                 // Create a new content object with no content
 279                 $newContent = ContentHandler::makeContent( '', $title, CONTENT_MODEL_WIKITEXT, null );
 280                 // first check, if we become a blank page created summary with the right bitmask
 281                 $autoSummary = $content->getAutosummary( null, $newContent, 97 );
 282                 $this->assertEquals(
 283                         wfMessage( 'autosumm-newblank' )->inContentLanguage()->text(),
 284                         $autoSummary
 285                 );
 286                 // now check, what we become with another bitmask
 287                 $autoSummary = $content->getAutosummary( null, $newContent, 92 );
 288                 $this->assertSame( '', $autoSummary );
 289         }
 290
 291         /**
 292          * Test software tag that is added when content model of the page changes
 293          */
 294         public function testGetChangeTag() {
 295                 $this->overrideConfigValue( MainConfigNames::SoftwareTags, [ 'mw-contentmodelchange' => true ] );
 296                 $wikitextContentHandler = new DummyContentHandlerForTesting( CONTENT_MODEL_WIKITEXT );
 297                 // Create old content object with javascript content model
 298                 $oldContent = ContentHandler::makeContent( '', null, CONTENT_MODEL_JAVASCRIPT, null );
 299                 // Create new content object with wikitext content model
 300                 $newContent = ContentHandler::makeContent( '', null, CONTENT_MODEL_WIKITEXT, null );
 301                 // Get the tag for this edit
 302                 $tag = $wikitextContentHandler->getChangeTag( $oldContent, $newContent, EDIT_UPDATE );
 303                 $this->assertSame( 'mw-contentmodelchange', $tag );
 304         }
 305
 306         public function testSupportsCategories() {
 307                 $handler = new DummyContentHandlerForTesting( CONTENT_MODEL_WIKITEXT );
 308                 $this->assertTrue( $handler->supportsCategories(), 'content model supports categories' );
 309         }
 310
 311         public function testSupportsDirectEditing() {
 312                 $handler = new DummyContentHandlerForTesting( CONTENT_MODEL_JSON );
 313                 $this->assertFalse( $handler->supportsDirectEditing(), 'direct editing is not supported' );
 314         }
 315
 316         public static function dummyHookHandler( $foo, &$text, $bar ) {
 317                 if ( $text === null || $text === false ) {
 318                         return false;
 319                 }
 320
 321                 $text = strtoupper( $text );
 322
 323                 return true;
 324         }
 325
 326         public static function provideGetModelForID() {
 327                 return [
 328                         [ CONTENT_MODEL_WIKITEXT, WikitextContentHandler::class ],
 329                         [ CONTENT_MODEL_JAVASCRIPT, JavaScriptContentHandler::class ],
 330                         [ CONTENT_MODEL_JSON, JsonContentHandler::class ],
 331                         [ CONTENT_MODEL_CSS, CssContentHandler::class ],
 332                         [ CONTENT_MODEL_TEXT, TextContentHandler::class ],
 333                         [ 'testing', DummyContentHandlerForTesting::class ],
 334                         [ 'testing-callbacks', DummyContentHandlerForTesting::class ],
 335                 ];
 336         }
 337
 338         /**
 339          * @dataProvider provideGetModelForID
 340          */
 341         public function testGetModelForID( $modelId, $handlerClass ) {
 342                 $handler = $this->getServiceContainer()->getContentHandlerFactory()
 343                         ->getContentHandler( $modelId );
 344
 345                 $this->assertInstanceOf( $handlerClass, $handler );
 346         }
 347
 348         public function testGetFieldsForSearchIndex() {
 349                 $searchEngine = $this->newSearchEngine();
 350
 351                 $handler = $this->getMockBuilder( ContentHandler::class )
 352                         ->onlyMethods(
 353                                 [ 'serializeContent', 'unserializeContent', 'makeEmptyContent' ]
 354                         )
 355                         ->disableOriginalConstructor()
 356                         ->getMock();
 357
 358                 $fields = $handler->getFieldsForSearchIndex( $searchEngine );
 359
 360                 $this->assertArrayHasKey( 'category', $fields );
 361                 $this->assertArrayHasKey( 'external_link', $fields );
 362                 $this->assertArrayHasKey( 'outgoing_link', $fields );
 363                 $this->assertArrayHasKey( 'template', $fields );
 364                 $this->assertArrayHasKey( 'content_model', $fields );
 365         }
 366
 367         private function newSearchEngine() {
 368                 $searchEngine = $this->createMock( SearchEngine::class );
 369
 370                 $searchEngine->method( 'makeSearchFieldMapping' )
 371                         ->willReturnCallback( static function ( $name, $type ) {
 372                                         return new DummySearchIndexFieldDefinition( $name, $type );
 373                         } );
 374
 375                 return $searchEngine;
 376         }
 377
 378         public function testDataIndexFields() {
 379                 $mockEngine = $this->createMock( SearchEngine::class );
 380                 $title = Title::makeTitle( NS_MAIN, 'Not_Main_Page' );
 381                 $page = $this->getServiceContainer()->getWikiPageFactory()->newFromTitle( $title );
 382
 383                 $this->setTemporaryHook( 'SearchDataForIndex',
 384                         static function (
 385                                 &$fields,
 386                                 ContentHandler $handler,
 387                                 WikiPage $page,
 388                                 ParserOutput $output,
 389                                 SearchEngine $engine
 390                         ) {
 391                                 $fields['testDataField'] = 'test content';
 392                         } );
 393
 394                 $revision = $page->getRevisionRecord();
 395                 $output = $page->getContentHandler()->getParserOutputForIndexing( $page, null, $revision );
 396                 $data = $page->getContentHandler()->getDataForSearchIndex( $page, $output, $mockEngine, $revision );
 397                 $this->assertArrayHasKey( 'text', $data );
 398                 $this->assertArrayHasKey( 'text_bytes', $data );
 399                 $this->assertArrayHasKey( 'language', $data );
 400                 $this->assertArrayHasKey( 'testDataField', $data );
 401                 $this->assertEquals( 'test content', $data['testDataField'] );
 402                 $this->assertEquals( 'wikitext', $data['content_model'] );
 403         }
 404
 405         public function testParserOutputForIndexing() {
 406                 $opportunisticUpdateHook =
 407                         $this->createMock( OpportunisticLinksUpdateHook::class );
 408                 // WikiPage::triggerOpportunisticLinksUpdate should not be triggered when
 409                 // getParserOutputForIndexing is called
 410                 $opportunisticUpdateHook->expects( $this->never() )
 411                         ->method( 'onOpportunisticLinksUpdate' )
 412                         ->willReturn( false );
 413                 $this->setTemporaryHook( 'OpportunisticLinksUpdate', $opportunisticUpdateHook );
 414
 415                 $title = Title::makeTitle( NS_MAIN, 'Smithee' );
 416                 $page = $this->getServiceContainer()->getWikiPageFactory()->newFromTitle( $title );
 417                 $revision = $page->getRevisionRecord();
 418
 419                 $out = $page->getContentHandler()->getParserOutputForIndexing( $page, null, $revision );
 420                 $this->assertInstanceOf( ParserOutput::class, $out );
 421                 $this->assertStringContainsString( 'one who smiths', $out->getRawText() );
 422         }
 423
 424         public function testGetContentModelsHook() {
 425                 $this->setTemporaryHook( 'GetContentModels', static function ( &$models ) {
 426                         $models[] = 'Ferrari';
 427                 } );
 428                 $this->hideDeprecated( 'MediaWiki\\Content\\ContentHandler::getContentModels' );
 429                 $this->assertContains( 'Ferrari', ContentHandler::getContentModels() );
 430         }
 431
 432         public function testGetSlotDiffRenderer_default() {
 433                 $this->mergeMwGlobalArrayValue( 'wgHooks', [
 434                         'GetSlotDiffRenderer' => [],
 435                 ] );
 436
 437                 // test default renderer
 438                 $contentHandler = new WikitextContentHandler(
 439                         CONTENT_MODEL_WIKITEXT,
 440                         $this->createMock( TitleFactory::class ),
 441                         $this->createMock( ParserFactory::class ),
 442                         $this->createMock( GlobalIdGenerator::class ),
 443                         $this->createMock( LanguageNameUtils::class ),
 444                         $this->createMock( LinkRenderer::class ),
 445                         $this->createMock( MagicWordFactory::class ),
 446                         $this->createMock( ParsoidParserFactory::class )
 447                 );
 448                 $slotDiffRenderer = $contentHandler->getSlotDiffRenderer( RequestContext::getMain() );
 449                 $this->assertInstanceOf( TextSlotDiffRenderer::class, $slotDiffRenderer );
 450         }
 451
 452         public function testGetSlotDiffRenderer_bc() {
 453                 $this->mergeMwGlobalArrayValue( 'wgHooks', [
 454                         'GetSlotDiffRenderer' => [],
 455                 ] );
 456
 457                 // test B/C renderer
 458                 $customDifferenceEngine = $this->createMock( DifferenceEngine::class );
 459                 // hack to track object identity across cloning
 460                 $customDifferenceEngine->objectId = 12345;
 461                 $customContentHandler = $this->getMockBuilder( ContentHandler::class )
 462                         ->setConstructorArgs( [ 'foo', [] ] )
 463                         ->onlyMethods( [ 'createDifferenceEngine' ] )
 464                         ->getMockForAbstractClass();
 465                 $customContentHandler->method( 'createDifferenceEngine' )
 466                         ->willReturn( $customDifferenceEngine );
 467                 /** @var ContentHandler $customContentHandler */
 468                 $slotDiffRenderer = $customContentHandler->getSlotDiffRenderer( RequestContext::getMain() );
 469                 $this->assertInstanceOf( DifferenceEngineSlotDiffRenderer::class, $slotDiffRenderer );
 470                 $this->assertSame(
 471                         $customDifferenceEngine->objectId,
 472                         TestingAccessWrapper::newFromObject( $slotDiffRenderer )->differenceEngine->objectId
 473                 );
 474         }
 475
 476         public function testGetSlotDiffRenderer_nobc() {
 477                 $this->mergeMwGlobalArrayValue( 'wgHooks', [
 478                         'GetSlotDiffRenderer' => [],
 479                 ] );
 480
 481                 // test that B/C renderer does not get used when getSlotDiffRendererInternal is overridden
 482                 $customDifferenceEngine = $this->createMock( DifferenceEngine::class );
 483                 $customSlotDiffRenderer = $this->getMockBuilder( SlotDiffRenderer::class )
 484                         ->disableOriginalConstructor()
 485                         ->getMockForAbstractClass();
 486                 $customContentHandler2 = $this->getMockBuilder( ContentHandler::class )
 487                         ->setConstructorArgs( [ 'bar', [] ] )
 488                         ->onlyMethods( [ 'createDifferenceEngine', 'getSlotDiffRendererInternal' ] )
 489                         ->getMockForAbstractClass();
 490                 $customContentHandler2->method( 'createDifferenceEngine' )
 491                         ->willReturn( $customDifferenceEngine );
 492                 $customContentHandler2->method( 'getSlotDiffRendererInternal' )
 493                         ->willReturn( $customSlotDiffRenderer );
 494                 /** @var ContentHandler $customContentHandler2 */
 495                 $this->hideDeprecated( 'ContentHandler::getSlotDiffRendererInternal' );
 496                 $slotDiffRenderer = $customContentHandler2->getSlotDiffRenderer( RequestContext::getMain() );
 497                 $this->assertSame( $customSlotDiffRenderer, $slotDiffRenderer );
 498         }
 499
 500         public function testGetSlotDiffRenderer_hook() {
 501                 $this->mergeMwGlobalArrayValue( 'wgHooks', [
 502                         'GetSlotDiffRenderer' => [],
 503                 ] );
 504
 505                 // test that the hook handler takes precedence
 506                 $customDifferenceEngine = $this->createMock( DifferenceEngine::class );
 507                 $customContentHandler = $this->getMockBuilder( ContentHandler::class )
 508                         ->setConstructorArgs( [ 'foo', [] ] )
 509                         ->onlyMethods( [ 'createDifferenceEngine' ] )
 510                         ->getMockForAbstractClass();
 511                 $customContentHandler->method( 'createDifferenceEngine' )
 512                         ->willReturn( $customDifferenceEngine );
 513                 /** @var ContentHandler $customContentHandler */
 514
 515                 $customSlotDiffRenderer = $this->getMockBuilder( SlotDiffRenderer::class )
 516                         ->disableOriginalConstructor()
 517                         ->getMockForAbstractClass();
 518                 $customContentHandler2 = $this->getMockBuilder( ContentHandler::class )
 519                         ->setConstructorArgs( [ 'bar', [] ] )
 520                         ->onlyMethods( [ 'createDifferenceEngine', 'getSlotDiffRendererInternal' ] )
 521                         ->getMockForAbstractClass();
 522                 $customContentHandler2->method( 'createDifferenceEngine' )
 523                         ->willReturn( $customDifferenceEngine );
 524                 $customContentHandler2->method( 'getSlotDiffRendererInternal' )
 525                         ->willReturn( $customSlotDiffRenderer );
 526                 /** @var ContentHandler $customContentHandler2 */
 527
 528                 $customSlotDiffRenderer2 = $this->getMockBuilder( SlotDiffRenderer::class )
 529                         ->disableOriginalConstructor()
 530                         ->getMockForAbstractClass();
 531                 $this->setTemporaryHook( 'GetSlotDiffRenderer',
 532                         static function ( $handler, &$slotDiffRenderer ) use ( $customSlotDiffRenderer2 ) {
 533                                 $slotDiffRenderer = $customSlotDiffRenderer2;
 534                         } );
 535
 536                 $this->hideDeprecated( 'ContentHandler::getSlotDiffRendererInternal' );
 537                 $slotDiffRenderer = $customContentHandler->getSlotDiffRenderer( RequestContext::getMain() );
 538                 $this->assertSame( $customSlotDiffRenderer2, $slotDiffRenderer );
 539
 540                 $this->hideDeprecated( 'ContentHandler::getSlotDiffRendererInternal' );
 541                 $slotDiffRenderer = $customContentHandler2->getSlotDiffRenderer( RequestContext::getMain() );
 542                 $this->assertSame( $customSlotDiffRenderer2, $slotDiffRenderer );
 543         }
 544
 545         public static function providerGetPageViewLanguage() {
 546                 yield [ NS_FILE, 'sr', 'sr-ec', 'sr-ec' ];
 547                 yield [ NS_FILE, 'sr', 'sr', 'sr' ];
 548                 yield [ NS_MEDIAWIKI, 'sr-ec', 'sr', 'sr-ec' ];
 549                 yield [ NS_MEDIAWIKI, 'sr', 'sr-ec', 'sr' ];
 550         }
 551
 552         /**
 553          * Superseded by OutputPageTest::testGetJsVarsAboutPageLang
 554          *
 555          * @dataProvider providerGetPageViewLanguage
 556          */
 557         public function testGetPageViewLanguage( $namespace, $lang, $variant, $expected ) {
 558                 $contentHandler = $this->getMockBuilder( ContentHandler::class )
 559                         ->disableOriginalConstructor()
 560                         ->getMockForAbstractClass();
 561
 562                 $title = Title::makeTitle( $namespace, 'SimpleTitle' );
 563
 564                 $this->overrideConfigValue( MainConfigNames::DefaultLanguageVariant, $variant );
 565
 566                 $this->setUserLang( $lang );
 567                 $this->setContentLang( $lang );
 568
 569                 $pageViewLanguage = $contentHandler->getPageViewLanguage( $title );
 570                 $this->assertEquals( $expected, $pageViewLanguage->getCode() );
 571         }
 572
 573         public static function provideValidateSave() {
 574                 yield 'wikitext' => [
 575                         new WikitextContent( 'hello world' ),
 576                         true
 577                 ];
 578
 579                 yield 'valid json' => [
 580                         new JsonContent( '{ "0": "bar" }' ),
 581                         true
 582                 ];
 583
 584                 yield 'invalid json' => [
 585                         new JsonContent( 'foo' ),
 586                         false
 587                 ];
 588         }
 589
 590         /**
 591          * @dataProvider provideValidateSave
 592          */
 593         public function testValidateSave( $content, $expectedResult ) {
 594                 $page = new PageIdentityValue( 0, 1, 'Foo', PageIdentity::LOCAL );
 595                 $contentHandlerFactory = $this->getServiceContainer()->getContentHandlerFactory();
 596                 $contentHandler = $contentHandlerFactory->getContentHandler( $content->getModel() );
 597                 $validateParams = new ValidationParams( $page, 0 );
 598
 599                 $status = $contentHandler->validateSave( $content, $validateParams );
 600                 $this->assertEquals( $expectedResult, $status->isOK() );
 601         }
 602 }