tests/phpunit/includes/OutputPageTest.php

   1 <?php
   2
   3 use Wikimedia\TestingAccessWrapper;
   4
   5 /**
   6  *
   7  * @author Matthew Flaschen
   8  *
   9  * @group Database
  10  * @group Output
  11  *
  12  * @todo factor tests in this class into providers and test methods
  13  */
  14 class OutputPageTest extends MediaWikiTestCase {
  15         const SCREEN_MEDIA_QUERY = 'screen and (min-width: 982px)';
  16         const SCREEN_ONLY_MEDIA_QUERY = 'only screen and (min-width: 982px)';
  17
  18         /**
  19          * @covers OutputPage::addMeta
  20          * @covers OutputPage::getMetaTags
  21          * @covers OutputPage::getHeadLinksArray
  22          */
  23         public function testMetaTags() {
  24                 $outputPage = $this->newInstance();
  25                 $outputPage->addMeta( 'http:expires', '0' );
  26                 $outputPage->addMeta( 'keywords', 'first' );
  27                 $outputPage->addMeta( 'keywords', 'second' );
  28                 $outputPage->addMeta( 'og:title', 'Ta-duh' );
  29
  30                 $expected = [
  31                         [ 'http:expires', '0' ],
  32                         [ 'keywords', 'first' ],
  33                         [ 'keywords', 'second' ],
  34                         [ 'og:title', 'Ta-duh' ],
  35                 ];
  36                 $this->assertSame( $expected, $outputPage->getMetaTags() );
  37
  38                 $links = $outputPage->getHeadLinksArray();
  39                 $this->assertContains( '<meta http-equiv="expires" content="0"/>', $links );
  40                 $this->assertContains( '<meta name="keywords" content="first"/>', $links );
  41                 $this->assertContains( '<meta name="keywords" content="second"/>', $links );
  42                 $this->assertContains( '<meta property="og:title" content="Ta-duh"/>', $links );
  43                 $this->assertArrayNotHasKey( 'meta-robots', $links );
  44         }
  45
  46         /**
  47          * @covers OutputPage::setIndexPolicy
  48          * @covers OutputPage::setFollowPolicy
  49          * @covers OutputPage::getHeadLinksArray
  50          */
  51         public function testRobotsPolicies() {
  52                 $outputPage = $this->newInstance();
  53                 $outputPage->setIndexPolicy( 'noindex' );
  54                 $outputPage->setFollowPolicy( 'nofollow' );
  55
  56                 $links = $outputPage->getHeadLinksArray();
  57                 $this->assertContains( '<meta name="robots" content="noindex,nofollow"/>', $links );
  58         }
  59
  60         /**
  61          * Tests a particular case of transformCssMedia, using the given input, globals,
  62          * expected return, and message
  63          *
  64          * Asserts that $expectedReturn is returned.
  65          *
  66          * options['printableQuery'] - value of query string for printable, or omitted for none
  67          * options['handheldQuery'] - value of query string for handheld, or omitted for none
  68          * options['media'] - passed into the method under the same name
  69          * options['expectedReturn'] - expected return value
  70          * options['message'] - PHPUnit message for assertion
  71          *
  72          * @param array $args Key-value array of arguments as shown above
  73          */
  74         protected function assertTransformCssMediaCase( $args ) {
  75                 $queryData = [];
  76                 if ( isset( $args['printableQuery'] ) ) {
  77                         $queryData['printable'] = $args['printableQuery'];
  78                 }
  79
  80                 if ( isset( $args['handheldQuery'] ) ) {
  81                         $queryData['handheld'] = $args['handheldQuery'];
  82                 }
  83
  84                 $fauxRequest = new FauxRequest( $queryData, false );
  85                 $this->setMwGlobals( [
  86                         'wgRequest' => $fauxRequest,
  87                 ] );
  88
  89                 $actualReturn = OutputPage::transformCssMedia( $args['media'] );
  90                 $this->assertSame( $args['expectedReturn'], $actualReturn, $args['message'] );
  91         }
  92
  93         /**
  94          * Tests print requests
  95          * @covers OutputPage::transformCssMedia
  96          */
  97         public function testPrintRequests() {
  98                 $this->assertTransformCssMediaCase( [
  99                         'printableQuery' => '1',
 100                         'media' => 'screen',
 101                         'expectedReturn' => null,
 102                         'message' => 'On printable request, screen returns null'
 103                 ] );
 104
 105                 $this->assertTransformCssMediaCase( [
 106                         'printableQuery' => '1',
 107                         'media' => self::SCREEN_MEDIA_QUERY,
 108                         'expectedReturn' => null,
 109                         'message' => 'On printable request, screen media query returns null'
 110                 ] );
 111
 112                 $this->assertTransformCssMediaCase( [
 113                         'printableQuery' => '1',
 114                         'media' => self::SCREEN_ONLY_MEDIA_QUERY,
 115                         'expectedReturn' => null,
 116                         'message' => 'On printable request, screen media query with only returns null'
 117                 ] );
 118
 119                 $this->assertTransformCssMediaCase( [
 120                         'printableQuery' => '1',
 121                         'media' => 'print',
 122                         'expectedReturn' => '',
 123                         'message' => 'On printable request, media print returns empty string'
 124                 ] );
 125         }
 126
 127         /**
 128          * Tests screen requests, without either query parameter set
 129          * @covers OutputPage::transformCssMedia
 130          */
 131         public function testScreenRequests() {
 132                 $this->assertTransformCssMediaCase( [
 133                         'media' => 'screen',
 134                         'expectedReturn' => 'screen',
 135                         'message' => 'On screen request, screen media type is preserved'
 136                 ] );
 137
 138                 $this->assertTransformCssMediaCase( [
 139                         'media' => 'handheld',
 140                         'expectedReturn' => 'handheld',
 141                         'message' => 'On screen request, handheld media type is preserved'
 142                 ] );
 143
 144                 $this->assertTransformCssMediaCase( [
 145                         'media' => self::SCREEN_MEDIA_QUERY,
 146                         'expectedReturn' => self::SCREEN_MEDIA_QUERY,
 147                         'message' => 'On screen request, screen media query is preserved.'
 148                 ] );
 149
 150                 $this->assertTransformCssMediaCase( [
 151                         'media' => self::SCREEN_ONLY_MEDIA_QUERY,
 152                         'expectedReturn' => self::SCREEN_ONLY_MEDIA_QUERY,
 153                         'message' => 'On screen request, screen media query with only is preserved.'
 154                 ] );
 155
 156                 $this->assertTransformCssMediaCase( [
 157                         'media' => 'print',
 158                         'expectedReturn' => 'print',
 159                         'message' => 'On screen request, print media type is preserved'
 160                 ] );
 161         }
 162
 163         /**
 164          * Tests handheld behavior
 165          * @covers OutputPage::transformCssMedia
 166          */
 167         public function testHandheld() {
 168                 $this->assertTransformCssMediaCase( [
 169                         'handheldQuery' => '1',
 170                         'media' => 'handheld',
 171                         'expectedReturn' => '',
 172                         'message' => 'On request with handheld querystring and media is handheld, returns empty string'
 173                 ] );
 174
 175                 $this->assertTransformCssMediaCase( [
 176                         'handheldQuery' => '1',
 177                         'media' => 'screen',
 178                         'expectedReturn' => null,
 179                         'message' => 'On request with handheld querystring and media is screen, returns null'
 180                 ] );
 181         }
 182
 183         public static function provideTransformFilePath() {
 184                 $baseDir = dirname( __DIR__ ) . '/data/media';
 185                 return [
 186                         // File that matches basePath, and exists. Hash found and appended.
 187                         [
 188                                 'baseDir' => $baseDir, 'basePath' => '/w',
 189                                 '/w/test.jpg',
 190                                 '/w/test.jpg?edcf2'
 191                         ],
 192                         // File that matches basePath, but not found on disk. Empty query.
 193                         [
 194                                 'baseDir' => $baseDir, 'basePath' => '/w',
 195                                 '/w/unknown.png',
 196                                 '/w/unknown.png?'
 197                         ],
 198                         // File not matching basePath. Ignored.
 199                         [
 200                                 'baseDir' => $baseDir, 'basePath' => '/w',
 201                                 '/files/test.jpg'
 202                         ],
 203                         // Empty string. Ignored.
 204                         [
 205                                 'baseDir' => $baseDir, 'basePath' => '/w',
 206                                 '',
 207                                 ''
 208                         ],
 209                         // Similar path, but with domain component. Ignored.
 210                         [
 211                                 'baseDir' => $baseDir, 'basePath' => '/w',
 212                                 '//example.org/w/test.jpg'
 213                         ],
 214                         [
 215                                 'baseDir' => $baseDir, 'basePath' => '/w',
 216                                 'https://example.org/w/test.jpg'
 217                         ],
 218                         // Unrelated path with domain component. Ignored.
 219                         [
 220                                 'baseDir' => $baseDir, 'basePath' => '/w',
 221                                 'https://example.org/files/test.jpg'
 222                         ],
 223                         [
 224                                 'baseDir' => $baseDir, 'basePath' => '/w',
 225                                 '//example.org/files/test.jpg'
 226                         ],
 227                         // Unrelated path with domain, and empty base path (root mw install). Ignored.
 228                         [
 229                                 'baseDir' => $baseDir, 'basePath' => '',
 230                                 'https://example.org/files/test.jpg'
 231                         ],
 232                         [
 233                                 'baseDir' => $baseDir, 'basePath' => '',
 234                                 // T155310
 235                                 '//example.org/files/test.jpg'
 236                         ],
 237                         // Check UploadPath before ResourceBasePath (T155146)
 238                         [
 239                                 'baseDir' => dirname( $baseDir ), 'basePath' => '',
 240                                 'uploadDir' => $baseDir, 'uploadPath' => '/images',
 241                                 '/images/test.jpg',
 242                                 '/images/test.jpg?edcf2'
 243                         ],
 244                 ];
 245         }
 246
 247         /**
 248          * @dataProvider provideTransformFilePath
 249          * @covers OutputPage::transformFilePath
 250          * @covers OutputPage::transformResourcePath
 251          */
 252         public function testTransformResourcePath( $baseDir, $basePath, $uploadDir = null,
 253                 $uploadPath = null, $path = null, $expected = null
 254         ) {
 255                 if ( $path === null ) {
 256                         // Skip optional $uploadDir and $uploadPath
 257                         $path = $uploadDir;
 258                         $expected = $uploadPath;
 259                         $uploadDir = "$baseDir/images";
 260                         $uploadPath = "$basePath/images";
 261                 }
 262                 $this->setMwGlobals( 'IP', $baseDir );
 263                 $conf = new HashConfig( [
 264                         'ResourceBasePath' => $basePath,
 265                         'UploadDirectory' => $uploadDir,
 266                         'UploadPath' => $uploadPath,
 267                 ] );
 268
 269                 MediaWiki\suppressWarnings();
 270                 $actual = OutputPage::transformResourcePath( $conf, $path );
 271                 MediaWiki\restoreWarnings();
 272
 273                 $this->assertEquals( $expected ?: $path, $actual );
 274         }
 275
 276         public static function provideMakeResourceLoaderLink() {
 277                 // @codingStandardsIgnoreStart Generic.Files.LineLength
 278                 return [
 279                         // Single only=scripts load
 280                         [
 281                                 [ 'test.foo', ResourceLoaderModule::TYPE_SCRIPTS ],
 282                                 "<script>(window.RLQ=window.RLQ||[]).push(function(){"
 283                                         . 'mw.loader.load("http://127.0.0.1:8080/w/load.php?debug=false\u0026lang=en\u0026modules=test.foo\u0026only=scripts\u0026skin=fallback");'
 284                                         . "});</script>"
 285                         ],
 286                         // Multiple only=styles load
 287                         [
 288                                 [ [ 'test.baz', 'test.foo', 'test.bar' ], ResourceLoaderModule::TYPE_STYLES ],
 289
 290                                 '<link rel="stylesheet" href="http://127.0.0.1:8080/w/load.php?debug=false&amp;lang=en&amp;modules=test.bar%2Cbaz%2Cfoo&amp;only=styles&amp;skin=fallback"/>'
 291                         ],
 292                         // Private embed (only=scripts)
 293                         [
 294                                 [ 'test.quux', ResourceLoaderModule::TYPE_SCRIPTS ],
 295                                 "<script>(window.RLQ=window.RLQ||[]).push(function(){"
 296                                         . "mw.test.baz({token:123});mw.loader.state({\"test.quux\":\"ready\"});"
 297                                         . "});</script>"
 298                         ],
 299                 ];
 300                 // @codingStandardsIgnoreEnd
 301         }
 302
 303         /**
 304          * See ResourceLoaderClientHtmlTest for full coverage.
 305          *
 306          * @dataProvider provideMakeResourceLoaderLink
 307          * @covers OutputPage::makeResourceLoaderLink
 308          */
 309         public function testMakeResourceLoaderLink( $args, $expectedHtml ) {
 310                 $this->setMwGlobals( [
 311                         'wgResourceLoaderDebug' => false,
 312                         'wgLoadScript' => 'http://127.0.0.1:8080/w/load.php',
 313                 ] );
 314                 $class = new ReflectionClass( 'OutputPage' );
 315                 $method = $class->getMethod( 'makeResourceLoaderLink' );
 316                 $method->setAccessible( true );
 317                 $ctx = new RequestContext();
 318                 $ctx->setSkin( SkinFactory::getDefaultInstance()->makeSkin( 'fallback' ) );
 319                 $ctx->setLanguage( 'en' );
 320                 $out = new OutputPage( $ctx );
 321                 $rl = $out->getResourceLoader();
 322                 $rl->setMessageBlobStore( new NullMessageBlobStore() );
 323                 $rl->register( [
 324                         'test.foo' => new ResourceLoaderTestModule( [
 325                                 'script' => 'mw.test.foo( { a: true } );',
 326                                 'styles' => '.mw-test-foo { content: "style"; }',
 327                         ] ),
 328                         'test.bar' => new ResourceLoaderTestModule( [
 329                                 'script' => 'mw.test.bar( { a: true } );',
 330                                 'styles' => '.mw-test-bar { content: "style"; }',
 331                         ] ),
 332                         'test.baz' => new ResourceLoaderTestModule( [
 333                                 'script' => 'mw.test.baz( { a: true } );',
 334                                 'styles' => '.mw-test-baz { content: "style"; }',
 335                         ] ),
 336                         'test.quux' => new ResourceLoaderTestModule( [
 337                                 'script' => 'mw.test.baz( { token: 123 } );',
 338                                 'styles' => '/* pref-animate=off */ .mw-icon { transition: none; }',
 339                                 'group' => 'private',
 340                         ] ),
 341                 ] );
 342                 $links = $method->invokeArgs( $out, $args );
 343                 $actualHtml = strval( $links );
 344                 $this->assertEquals( $expectedHtml, $actualHtml );
 345         }
 346
 347         /**
 348          * @dataProvider provideVaryHeaders
 349          * @covers OutputPage::addVaryHeader
 350          * @covers OutputPage::getVaryHeader
 351          * @covers OutputPage::getKeyHeader
 352          */
 353         public function testVaryHeaders( $calls, $vary, $key ) {
 354                 // get rid of default Vary fields
 355                 $outputPage = $this->getMockBuilder( 'OutputPage' )
 356                         ->setConstructorArgs( [ new RequestContext() ] )
 357                         ->setMethods( [ 'getCacheVaryCookies' ] )
 358                         ->getMock();
 359                 $outputPage->expects( $this->any() )
 360                         ->method( 'getCacheVaryCookies' )
 361                         ->will( $this->returnValue( [] ) );
 362                 TestingAccessWrapper::newFromObject( $outputPage )->mVaryHeader = [];
 363
 364                 foreach ( $calls as $call ) {
 365                         call_user_func_array( [ $outputPage, 'addVaryHeader' ], $call );
 366                 }
 367                 $this->assertEquals( $vary, $outputPage->getVaryHeader(), 'Vary:' );
 368                 $this->assertEquals( $key, $outputPage->getKeyHeader(), 'Key:' );
 369         }
 370
 371         public function provideVaryHeaders() {
 372                 // note: getKeyHeader() automatically adds Vary: Cookie
 373                 return [
 374                         [ // single header
 375                                 [
 376                                         [ 'Cookie' ],
 377                                 ],
 378                                 'Vary: Cookie',
 379                                 'Key: Cookie',
 380                         ],
 381                         [ // non-unique headers
 382                                 [
 383                                         [ 'Cookie' ],
 384                                         [ 'Accept-Language' ],
 385                                         [ 'Cookie' ],
 386                                 ],
 387                                 'Vary: Cookie, Accept-Language',
 388                                 'Key: Cookie,Accept-Language',
 389                         ],
 390                         [ // two headers with single options
 391                                 [
 392                                         [ 'Cookie', [ 'param=phpsessid' ] ],
 393                                         [ 'Accept-Language', [ 'substr=en' ] ],
 394                                 ],
 395                                 'Vary: Cookie, Accept-Language',
 396                                 'Key: Cookie;param=phpsessid,Accept-Language;substr=en',
 397                         ],
 398                         [ // one header with multiple options
 399                                 [
 400                                         [ 'Cookie', [ 'param=phpsessid', 'param=userId' ] ],
 401                                 ],
 402                                 'Vary: Cookie',
 403                                 'Key: Cookie;param=phpsessid;param=userId',
 404                         ],
 405                         [ // Duplicate option
 406                                 [
 407                                         [ 'Cookie', [ 'param=phpsessid' ] ],
 408                                         [ 'Cookie', [ 'param=phpsessid' ] ],
 409                                         [ 'Accept-Language', [ 'substr=en', 'substr=en' ] ],
 410                                 ],
 411                                 'Vary: Cookie, Accept-Language',
 412                                 'Key: Cookie;param=phpsessid,Accept-Language;substr=en',
 413                         ],
 414                         [ // Same header, different options
 415                                 [
 416                                         [ 'Cookie', [ 'param=phpsessid' ] ],
 417                                         [ 'Cookie', [ 'param=userId' ] ],
 418                                 ],
 419                                 'Vary: Cookie',
 420                                 'Key: Cookie;param=phpsessid;param=userId',
 421                         ],
 422                 ];
 423         }
 424
 425         /**
 426          * @covers OutputPage::haveCacheVaryCookies
 427          */
 428         public function testHaveCacheVaryCookies() {
 429                 $request = new FauxRequest();
 430                 $context = new RequestContext();
 431                 $context->setRequest( $request );
 432                 $outputPage = new OutputPage( $context );
 433
 434                 // No cookies are set.
 435                 $this->assertFalse( $outputPage->haveCacheVaryCookies() );
 436
 437                 // 'Token' is present but empty, so it shouldn't count.
 438                 $request->setCookie( 'Token', '' );
 439                 $this->assertFalse( $outputPage->haveCacheVaryCookies() );
 440
 441                 // 'Token' present and nonempty.
 442                 $request->setCookie( 'Token', '123' );
 443                 $this->assertTrue( $outputPage->haveCacheVaryCookies() );
 444         }
 445
 446         /*
 447          * @covers OutputPage::addCategoryLinks
 448          * @covers OutputPage::getCategories
 449          */
 450         public function testGetCategories() {
 451                 $fakeResultWrapper = new FakeResultWrapper( [
 452                         (object) [
 453                                 'pp_value' => 1,
 454                                 'page_title' => 'Test'
 455                         ],
 456                         (object) [
 457                                 'page_title' => 'Test2'
 458                         ]
 459                 ] );
 460                 $outputPage = $this->getMockBuilder( 'OutputPage' )
 461                         ->setConstructorArgs( [ new RequestContext() ] )
 462                         ->setMethods( [ 'addCategoryLinksToLBAndGetResult' ] )
 463                         ->getMock();
 464                 $outputPage->expects( $this->any() )
 465                         ->method( 'addCategoryLinksToLBAndGetResult' )
 466                         ->will( $this->returnValue( $fakeResultWrapper ) );
 467
 468                 $outputPage->addCategoryLinks( [
 469                         'Test' => 'Test',
 470                         'Test2' => 'Test2',
 471                 ] );
 472                 $this->assertEquals( [ 0 => 'Test', '1' => 'Test2' ], $outputPage->getCategories() );
 473                 $this->assertEquals( [ 0 => 'Test2' ], $outputPage->getCategories( 'normal' ) );
 474                 $this->assertEquals( [ 0 => 'Test' ], $outputPage->getCategories( 'hidden' ) );
 475         }
 476
 477         /**
 478          * @dataProvider provideLinkHeaders
 479          * @covers OutputPage::addLinkHeader
 480          * @covers OutputPage::getLinkHeader
 481          */
 482         public function testLinkHeaders( $headers, $result ) {
 483                 $outputPage = $this->newInstance();
 484
 485                 foreach ( $headers as $header ) {
 486                         $outputPage->addLinkHeader( $header );
 487                 }
 488
 489                 $this->assertEquals( $result, $outputPage->getLinkHeader() );
 490         }
 491
 492         public function provideLinkHeaders() {
 493                 return [
 494                         [
 495                                 [],
 496                                 false
 497                         ],
 498                         [
 499                                 [ '<https://foo/bar.jpg>;rel=preload;as=image' ],
 500                                 'Link: <https://foo/bar.jpg>;rel=preload;as=image',
 501                         ],
 502                         [
 503                                 [ '<https://foo/bar.jpg>;rel=preload;as=image','<https://foo/baz.jpg>;rel=preload;as=image' ],
 504                                 'Link: <https://foo/bar.jpg>;rel=preload;as=image,<https://foo/baz.jpg>;rel=preload;as=image',
 505                         ],
 506                 ];
 507         }
 508
 509         /**
 510          * @dataProvider providePreloadLinkHeaders
 511          * @covers OutputPage::addLogoPreloadLinkHeaders
 512          * @covers ResourceLoaderSkinModule::getLogo
 513          */
 514         public function testPreloadLinkHeaders( $config, $result, $baseDir = null ) {
 515                 if ( $baseDir ) {
 516                         $this->setMwGlobals( 'IP', $baseDir );
 517                 }
 518                 $out = TestingAccessWrapper::newFromObject( $this->newInstance( $config ) );
 519                 $out->addLogoPreloadLinkHeaders();
 520
 521                 $this->assertEquals( $result, $out->getLinkHeader() );
 522         }
 523
 524         public function providePreloadLinkHeaders() {
 525                 return [
 526                         [
 527                                 [
 528                                         'ResourceBasePath' => '/w',
 529                                         'Logo' => '/img/default.png',
 530                                         'LogoHD' => [
 531                                                 '1.5x' => '/img/one-point-five.png',
 532                                                 '2x' => '/img/two-x.png',
 533                                         ],
 534                                 ],
 535                                 'Link: </img/default.png>;rel=preload;as=image;media=' .
 536                                 'not all and (min-resolution: 1.5dppx),' .
 537                                 '</img/one-point-five.png>;rel=preload;as=image;media=' .
 538                                 '(min-resolution: 1.5dppx) and (max-resolution: 1.999999dppx),' .
 539                                 '</img/two-x.png>;rel=preload;as=image;media=(min-resolution: 2dppx)'
 540                         ],
 541                         [
 542                                 [
 543                                         'ResourceBasePath' => '/w',
 544                                         'Logo' => '/img/default.png',
 545                                         'LogoHD' => false,
 546                                 ],
 547                                 'Link: </img/default.png>;rel=preload;as=image'
 548                         ],
 549                         [
 550                                 [
 551                                         'ResourceBasePath' => '/w',
 552                                         'Logo' => '/img/default.png',
 553                                         'LogoHD' => [
 554                                                 '2x' => '/img/two-x.png',
 555                                         ],
 556                                 ],
 557                                 'Link: </img/default.png>;rel=preload;as=image;media=' .
 558                                 'not all and (min-resolution: 2dppx),' .
 559                                 '</img/two-x.png>;rel=preload;as=image;media=(min-resolution: 2dppx)'
 560                         ],
 561                         [
 562                                 [
 563                                         'ResourceBasePath' => '/w',
 564                                         'Logo' => '/w/test.jpg',
 565                                         'LogoHD' => false,
 566                                         'UploadPath' => '/w/images',
 567                                 ],
 568                                 'Link: </w/test.jpg?edcf2>;rel=preload;as=image',
 569                                 'baseDir' => dirname( __DIR__ ) . '/data/media',
 570                         ],
 571                 ];
 572         }
 573
 574         /**
 575          * @return OutputPage
 576          */
 577         private function newInstance( $config = [] ) {
 578                 $context = new RequestContext();
 579
 580                 $context->setConfig( new HashConfig( $config + [
 581                         'AppleTouchIcon' => false,
 582                         'DisableLangConversion' => true,
 583                         'EnableAPI' => false,
 584                         'EnableCanonicalServerLink' => false,
 585                         'Favicon' => false,
 586                         'Feed' => false,
 587                         'LanguageCode' => false,
 588                         'ReferrerPolicy' => false,
 589                         'RightsPage' => false,
 590                         'RightsUrl' => false,
 591                         'UniversalEditButton' => false,
 592                 ] ) );
 593
 594                 return new OutputPage( $context );
 595         }
 596 }
 597
 598 /**
 599  * MessageBlobStore that doesn't do anything
 600  */
 601 class NullMessageBlobStore extends MessageBlobStore {
 602         public function get( ResourceLoader $resourceLoader, $modules, $lang ) {
 603                 return [];
 604         }
 605
 606         public function insertMessageBlob( $name, ResourceLoaderModule $module, $lang ) {
 607                 return false;
 608         }
 609
 610         public function updateModule( $name, ResourceLoaderModule $module, $lang ) {
 611         }
 612
 613         public function updateMessage( $key ) {
 614         }
 615
 616         public function clear() {
 617         }
 618 }