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         public static function provideBuildExemptModules() {
 348                 return [
 349                         'empty' => [
 350                                 'exemptStyleModules' => [],
 351                                 '<meta name="ResourceLoaderDynamicStyles" content=""/>',
 352                         ],
 353                         'empty sets' => [
 354                                 'exemptStyleModules' => [ 'site' => [], 'noscript' => [], 'private' => [], 'user' => [] ],
 355                                 '<meta name="ResourceLoaderDynamicStyles" content=""/>',
 356                         ],
 357                         // @codingStandardsIgnoreStart Generic.Files.LineLength
 358                         'default logged-out' => [
 359                                 'exemptStyleModules' => [ 'site' => [ 'site.styles' ] ],
 360                                 '<meta name="ResourceLoaderDynamicStyles" content=""/>' . "\n" .
 361                                 '<link rel="stylesheet" href="/w/load.php?debug=false&amp;lang=en&amp;modules=site.styles&amp;only=styles&amp;skin=fallback"/>',
 362                         ],
 363                         'default logged-in' => [
 364                                 'exemptStyleModules' => [ 'site' => [ 'site.styles' ], 'user' => [ 'user.styles' ] ],
 365                                 '<meta name="ResourceLoaderDynamicStyles" content=""/>' . "\n" .
 366                                 '<link rel="stylesheet" href="/w/load.php?debug=false&amp;lang=en&amp;modules=site.styles&amp;only=styles&amp;skin=fallback"/>' . "\n" .
 367                                 '<link rel="stylesheet" href="/w/load.php?debug=false&amp;lang=en&amp;modules=user.styles&amp;only=styles&amp;skin=fallback&amp;version=1e9z0ox"/>',
 368                         ],
 369                         'custom modules' => [
 370                                 'exemptStyleModules' => [
 371                                         'site' => [ 'site.styles', 'example.site.a', 'example.site.b' ],
 372                                         'user' => [ 'user.styles', 'example.user' ],
 373                                 ],
 374                                 '<meta name="ResourceLoaderDynamicStyles" content=""/>' . "\n" .
 375                                 '<link rel="stylesheet" href="/w/load.php?debug=false&amp;lang=en&amp;modules=example.site.a%2Cb%7Csite.styles&amp;only=styles&amp;skin=fallback"/>' . "\n" .
 376                                 '<link rel="stylesheet" href="/w/load.php?debug=false&amp;lang=en&amp;modules=example.user%7Cuser.styles&amp;only=styles&amp;skin=fallback&amp;version=17f1vjw"/>',
 377                         ],
 378                         // @codingStandardsIgnoreEnd Generic.Files.LineLength
 379                 ];
 380         }
 381
 382         /**
 383          * @dataProvider provideBuildExemptModules
 384          * @covers OutputPage::buildExemptModules
 385          */
 386         public function testBuildExemptModules( array $exemptStyleModules, $expect ) {
 387                 $this->setMwGlobals( [
 388                         'wgResourceLoaderDebug' => false,
 389                         'wgLoadScript' => '/w/load.php',
 390                         // Stub wgCacheEpoch as it influences getVersionHash used for the
 391                         // urls in the expected HTML
 392                         'wgCacheEpoch' => '20140101000000',
 393                 ] );
 394
 395                 // Set up stubs
 396                 $ctx = new RequestContext();
 397                 $ctx->setSkin( SkinFactory::getDefaultInstance()->makeSkin( 'fallback' ) );
 398                 $ctx->setLanguage( 'en' );
 399                 $outputPage = $this->getMockBuilder( 'OutputPage' )
 400                         ->setConstructorArgs( [ $ctx ] )
 401                         ->setMethods( [ 'isUserCssPreview', 'buildCssLinksArray' ] )
 402                         ->getMock();
 403                 $outputPage->expects( $this->any() )
 404                         ->method( 'isUserCssPreview' )
 405                         ->willReturn( false );
 406                 $outputPage->expects( $this->any() )
 407                         ->method( 'buildCssLinksArray' )
 408                         ->willReturn( [] );
 409                 $rl = $outputPage->getResourceLoader();
 410                 $rl->setMessageBlobStore( new NullMessageBlobStore() );
 411
 412                 // Register custom modules
 413                 $rl->register( [
 414                         'example.site.a' => new ResourceLoaderTestModule( [ 'group' => 'site' ] ),
 415                         'example.site.b' => new ResourceLoaderTestModule( [ 'group' => 'site' ] ),
 416                         'example.user' => new ResourceLoaderTestModule( [ 'group' => 'user' ] ),
 417                 ] );
 418
 419                 $outputPage = TestingAccessWrapper::newFromObject( $outputPage );
 420                 $outputPage->rlExemptStyleModules = $exemptStyleModules;
 421                 $this->assertEquals(
 422                         $expect,
 423                         strval( $outputPage->buildExemptModules() )
 424                 );
 425         }
 426
 427         /**
 428          * @dataProvider provideVaryHeaders
 429          * @covers OutputPage::addVaryHeader
 430          * @covers OutputPage::getVaryHeader
 431          * @covers OutputPage::getKeyHeader
 432          */
 433         public function testVaryHeaders( $calls, $vary, $key ) {
 434                 // get rid of default Vary fields
 435                 $outputPage = $this->getMockBuilder( 'OutputPage' )
 436                         ->setConstructorArgs( [ new RequestContext() ] )
 437                         ->setMethods( [ 'getCacheVaryCookies' ] )
 438                         ->getMock();
 439                 $outputPage->expects( $this->any() )
 440                         ->method( 'getCacheVaryCookies' )
 441                         ->will( $this->returnValue( [] ) );
 442                 TestingAccessWrapper::newFromObject( $outputPage )->mVaryHeader = [];
 443
 444                 foreach ( $calls as $call ) {
 445                         call_user_func_array( [ $outputPage, 'addVaryHeader' ], $call );
 446                 }
 447                 $this->assertEquals( $vary, $outputPage->getVaryHeader(), 'Vary:' );
 448                 $this->assertEquals( $key, $outputPage->getKeyHeader(), 'Key:' );
 449         }
 450
 451         public function provideVaryHeaders() {
 452                 // note: getKeyHeader() automatically adds Vary: Cookie
 453                 return [
 454                         [ // single header
 455                                 [
 456                                         [ 'Cookie' ],
 457                                 ],
 458                                 'Vary: Cookie',
 459                                 'Key: Cookie',
 460                         ],
 461                         [ // non-unique headers
 462                                 [
 463                                         [ 'Cookie' ],
 464                                         [ 'Accept-Language' ],
 465                                         [ 'Cookie' ],
 466                                 ],
 467                                 'Vary: Cookie, Accept-Language',
 468                                 'Key: Cookie,Accept-Language',
 469                         ],
 470                         [ // two headers with single options
 471                                 [
 472                                         [ 'Cookie', [ 'param=phpsessid' ] ],
 473                                         [ 'Accept-Language', [ 'substr=en' ] ],
 474                                 ],
 475                                 'Vary: Cookie, Accept-Language',
 476                                 'Key: Cookie;param=phpsessid,Accept-Language;substr=en',
 477                         ],
 478                         [ // one header with multiple options
 479                                 [
 480                                         [ 'Cookie', [ 'param=phpsessid', 'param=userId' ] ],
 481                                 ],
 482                                 'Vary: Cookie',
 483                                 'Key: Cookie;param=phpsessid;param=userId',
 484                         ],
 485                         [ // Duplicate option
 486                                 [
 487                                         [ 'Cookie', [ 'param=phpsessid' ] ],
 488                                         [ 'Cookie', [ 'param=phpsessid' ] ],
 489                                         [ 'Accept-Language', [ 'substr=en', 'substr=en' ] ],
 490                                 ],
 491                                 'Vary: Cookie, Accept-Language',
 492                                 'Key: Cookie;param=phpsessid,Accept-Language;substr=en',
 493                         ],
 494                         [ // Same header, different options
 495                                 [
 496                                         [ 'Cookie', [ 'param=phpsessid' ] ],
 497                                         [ 'Cookie', [ 'param=userId' ] ],
 498                                 ],
 499                                 'Vary: Cookie',
 500                                 'Key: Cookie;param=phpsessid;param=userId',
 501                         ],
 502                 ];
 503         }
 504
 505         /**
 506          * @covers OutputPage::haveCacheVaryCookies
 507          */
 508         public function testHaveCacheVaryCookies() {
 509                 $request = new FauxRequest();
 510                 $context = new RequestContext();
 511                 $context->setRequest( $request );
 512                 $outputPage = new OutputPage( $context );
 513
 514                 // No cookies are set.
 515                 $this->assertFalse( $outputPage->haveCacheVaryCookies() );
 516
 517                 // 'Token' is present but empty, so it shouldn't count.
 518                 $request->setCookie( 'Token', '' );
 519                 $this->assertFalse( $outputPage->haveCacheVaryCookies() );
 520
 521                 // 'Token' present and nonempty.
 522                 $request->setCookie( 'Token', '123' );
 523                 $this->assertTrue( $outputPage->haveCacheVaryCookies() );
 524         }
 525
 526         /*
 527          * @covers OutputPage::addCategoryLinks
 528          * @covers OutputPage::getCategories
 529          */
 530         public function testGetCategories() {
 531                 $fakeResultWrapper = new FakeResultWrapper( [
 532                         (object) [
 533                                 'pp_value' => 1,
 534                                 'page_title' => 'Test'
 535                         ],
 536                         (object) [
 537                                 'page_title' => 'Test2'
 538                         ]
 539                 ] );
 540                 $outputPage = $this->getMockBuilder( 'OutputPage' )
 541                         ->setConstructorArgs( [ new RequestContext() ] )
 542                         ->setMethods( [ 'addCategoryLinksToLBAndGetResult' ] )
 543                         ->getMock();
 544                 $outputPage->expects( $this->any() )
 545                         ->method( 'addCategoryLinksToLBAndGetResult' )
 546                         ->will( $this->returnValue( $fakeResultWrapper ) );
 547
 548                 $outputPage->addCategoryLinks( [
 549                         'Test' => 'Test',
 550                         'Test2' => 'Test2',
 551                 ] );
 552                 $this->assertEquals( [ 0 => 'Test', '1' => 'Test2' ], $outputPage->getCategories() );
 553                 $this->assertEquals( [ 0 => 'Test2' ], $outputPage->getCategories( 'normal' ) );
 554                 $this->assertEquals( [ 0 => 'Test' ], $outputPage->getCategories( 'hidden' ) );
 555         }
 556
 557         /**
 558          * @dataProvider provideLinkHeaders
 559          * @covers OutputPage::addLinkHeader
 560          * @covers OutputPage::getLinkHeader
 561          */
 562         public function testLinkHeaders( $headers, $result ) {
 563                 $outputPage = $this->newInstance();
 564
 565                 foreach ( $headers as $header ) {
 566                         $outputPage->addLinkHeader( $header );
 567                 }
 568
 569                 $this->assertEquals( $result, $outputPage->getLinkHeader() );
 570         }
 571
 572         public function provideLinkHeaders() {
 573                 return [
 574                         [
 575                                 [],
 576                                 false
 577                         ],
 578                         [
 579                                 [ '<https://foo/bar.jpg>;rel=preload;as=image' ],
 580                                 'Link: <https://foo/bar.jpg>;rel=preload;as=image',
 581                         ],
 582                         [
 583                                 [ '<https://foo/bar.jpg>;rel=preload;as=image','<https://foo/baz.jpg>;rel=preload;as=image' ],
 584                                 'Link: <https://foo/bar.jpg>;rel=preload;as=image,<https://foo/baz.jpg>;rel=preload;as=image',
 585                         ],
 586                 ];
 587         }
 588
 589         /**
 590          * @dataProvider providePreloadLinkHeaders
 591          * @covers OutputPage::addLogoPreloadLinkHeaders
 592          * @covers ResourceLoaderSkinModule::getLogo
 593          */
 594         public function testPreloadLinkHeaders( $config, $result, $baseDir = null ) {
 595                 if ( $baseDir ) {
 596                         $this->setMwGlobals( 'IP', $baseDir );
 597                 }
 598                 $out = TestingAccessWrapper::newFromObject( $this->newInstance( $config ) );
 599                 $out->addLogoPreloadLinkHeaders();
 600
 601                 $this->assertEquals( $result, $out->getLinkHeader() );
 602         }
 603
 604         public function providePreloadLinkHeaders() {
 605                 return [
 606                         [
 607                                 [
 608                                         'ResourceBasePath' => '/w',
 609                                         'Logo' => '/img/default.png',
 610                                         'LogoHD' => [
 611                                                 '1.5x' => '/img/one-point-five.png',
 612                                                 '2x' => '/img/two-x.png',
 613                                         ],
 614                                 ],
 615                                 'Link: </img/default.png>;rel=preload;as=image;media=' .
 616                                 'not all and (min-resolution: 1.5dppx),' .
 617                                 '</img/one-point-five.png>;rel=preload;as=image;media=' .
 618                                 '(min-resolution: 1.5dppx) and (max-resolution: 1.999999dppx),' .
 619                                 '</img/two-x.png>;rel=preload;as=image;media=(min-resolution: 2dppx)'
 620                         ],
 621                         [
 622                                 [
 623                                         'ResourceBasePath' => '/w',
 624                                         'Logo' => '/img/default.png',
 625                                         'LogoHD' => false,
 626                                 ],
 627                                 'Link: </img/default.png>;rel=preload;as=image'
 628                         ],
 629                         [
 630                                 [
 631                                         'ResourceBasePath' => '/w',
 632                                         'Logo' => '/img/default.png',
 633                                         'LogoHD' => [
 634                                                 '2x' => '/img/two-x.png',
 635                                         ],
 636                                 ],
 637                                 'Link: </img/default.png>;rel=preload;as=image;media=' .
 638                                 'not all and (min-resolution: 2dppx),' .
 639                                 '</img/two-x.png>;rel=preload;as=image;media=(min-resolution: 2dppx)'
 640                         ],
 641                         [
 642                                 [
 643                                         'ResourceBasePath' => '/w',
 644                                         'Logo' => '/w/test.jpg',
 645                                         'LogoHD' => false,
 646                                         'UploadPath' => '/w/images',
 647                                 ],
 648                                 'Link: </w/test.jpg?edcf2>;rel=preload;as=image',
 649                                 'baseDir' => dirname( __DIR__ ) . '/data/media',
 650                         ],
 651                 ];
 652         }
 653
 654         /**
 655          * @return OutputPage
 656          */
 657         private function newInstance( $config = [] ) {
 658                 $context = new RequestContext();
 659
 660                 $context->setConfig( new HashConfig( $config + [
 661                         'AppleTouchIcon' => false,
 662                         'DisableLangConversion' => true,
 663                         'EnableAPI' => false,
 664                         'EnableCanonicalServerLink' => false,
 665                         'Favicon' => false,
 666                         'Feed' => false,
 667                         'LanguageCode' => false,
 668                         'ReferrerPolicy' => false,
 669                         'RightsPage' => false,
 670                         'RightsUrl' => false,
 671                         'UniversalEditButton' => false,
 672                 ] ) );
 673
 674                 return new OutputPage( $context );
 675         }
 676 }
 677
 678 /**
 679  * MessageBlobStore that doesn't do anything
 680  */
 681 class NullMessageBlobStore extends MessageBlobStore {
 682         public function get( ResourceLoader $resourceLoader, $modules, $lang ) {
 683                 return [];
 684         }
 685
 686         public function insertMessageBlob( $name, ResourceLoaderModule $module, $lang ) {
 687                 return false;
 688         }
 689
 690         public function updateModule( $name, ResourceLoaderModule $module, $lang ) {
 691         }
 692
 693         public function updateMessage( $key ) {
 694         }
 695
 696         public function clear() {
 697         }
 698 }