tests/phpunit/includes/TitleTest.php

   1 <?php
   2
   3 use MediaWiki\Linker\LinkTarget;
   4 use MediaWiki\MediaWikiServices;
   5 use Wikimedia\TestingAccessWrapper;
   6
   7 /**
   8  * @group Database
   9  * @group Title
  10  */
  11 class TitleTest extends MediaWikiTestCase {
  12         protected function setUp() {
  13                 parent::setUp();
  14
  15                 $this->setMwGlobals( [
  16                         'wgAllowUserJs' => false,
  17                         'wgDefaultLanguageVariant' => false,
  18                         'wgMetaNamespace' => 'Project',
  19                 ] );
  20                 $this->setUserLang( 'en' );
  21                 $this->setContentLang( 'en' );
  22         }
  23
  24         protected function tearDown() {
  25                 // For testNewMainPage
  26                 MessageCache::destroyInstance();
  27                 parent::tearDown();
  28         }
  29
  30         /**
  31          * @covers Title::legalChars
  32          */
  33         public function testLegalChars() {
  34                 $titlechars = Title::legalChars();
  35
  36                 foreach ( range( 1, 255 ) as $num ) {
  37                         $chr = chr( $num );
  38                         if ( strpos( "#[]{}<>|", $chr ) !== false || preg_match( "/[\\x00-\\x1f\\x7f]/", $chr ) ) {
  39                                 $this->assertFalse(
  40                                         (bool)preg_match( "/[$titlechars]/", $chr ),
  41                                         "chr($num) = $chr is not a valid titlechar"
  42                                 );
  43                         } else {
  44                                 $this->assertTrue(
  45                                         (bool)preg_match( "/[$titlechars]/", $chr ),
  46                                         "chr($num) = $chr is a valid titlechar"
  47                                 );
  48                         }
  49                 }
  50         }
  51
  52         public static function provideValidSecureAndSplit() {
  53                 return [
  54                         [ 'Sandbox' ],
  55                         [ 'A "B"' ],
  56                         [ 'A \'B\'' ],
  57                         [ '.com' ],
  58                         [ '~' ],
  59                         [ '#' ],
  60                         [ '"' ],
  61                         [ '\'' ],
  62                         [ 'Talk:Sandbox' ],
  63                         [ 'Talk:Foo:Sandbox' ],
  64                         [ 'File:Example.svg' ],
  65                         [ 'File_talk:Example.svg' ],
  66                         [ 'Foo/.../Sandbox' ],
  67                         [ 'Sandbox/...' ],
  68                         [ 'A~~' ],
  69                         [ ':A' ],
  70                         // Length is 256 total, but only title part matters
  71                         [ 'Category:' . str_repeat( 'x', 248 ) ],
  72                         [ str_repeat( 'x', 252 ) ],
  73                         // interwiki prefix
  74                         [ 'localtestiw: #anchor' ],
  75                         [ 'localtestiw:' ],
  76                         [ 'localtestiw:foo' ],
  77                         [ 'localtestiw: foo # anchor' ],
  78                         [ 'localtestiw: Talk: Sandbox # anchor' ],
  79                         [ 'remotetestiw:' ],
  80                         [ 'remotetestiw: Talk: # anchor' ],
  81                         [ 'remotetestiw: #bar' ],
  82                         [ 'remotetestiw: Talk:' ],
  83                         [ 'remotetestiw: Talk: Foo' ],
  84                         [ 'localtestiw:remotetestiw:' ],
  85                         [ 'localtestiw:remotetestiw:foo' ]
  86                 ];
  87         }
  88
  89         public static function provideInvalidSecureAndSplit() {
  90                 return [
  91                         [ '', 'title-invalid-empty' ],
  92                         [ ':', 'title-invalid-empty' ],
  93                         [ '__  __', 'title-invalid-empty' ],
  94                         [ '  __  ', 'title-invalid-empty' ],
  95                         // Bad characters forbidden regardless of wgLegalTitleChars
  96                         [ 'A [ B', 'title-invalid-characters' ],
  97                         [ 'A ] B', 'title-invalid-characters' ],
  98                         [ 'A { B', 'title-invalid-characters' ],
  99                         [ 'A } B', 'title-invalid-characters' ],
 100                         [ 'A < B', 'title-invalid-characters' ],
 101                         [ 'A > B', 'title-invalid-characters' ],
 102                         [ 'A | B', 'title-invalid-characters' ],
 103                         [ "A \t B", 'title-invalid-characters' ],
 104                         [ "A \n B", 'title-invalid-characters' ],
 105                         // URL encoding
 106                         [ 'A%20B', 'title-invalid-characters' ],
 107                         [ 'A%23B', 'title-invalid-characters' ],
 108                         [ 'A%2523B', 'title-invalid-characters' ],
 109                         // XML/HTML character entity references
 110                         // Note: Commented out because they are not marked invalid by the PHP test as
 111                         // Title::newFromText runs Sanitizer::decodeCharReferencesAndNormalize first.
 112                         // 'A &eacute; B',
 113                         // 'A &#233; B',
 114                         // 'A &#x00E9; B',
 115                         // Subject of NS_TALK does not roundtrip to NS_MAIN
 116                         [ 'Talk:File:Example.svg', 'title-invalid-talk-namespace' ],
 117                         // Directory navigation
 118                         [ '.', 'title-invalid-relative' ],
 119                         [ '..', 'title-invalid-relative' ],
 120                         [ './Sandbox', 'title-invalid-relative' ],
 121                         [ '../Sandbox', 'title-invalid-relative' ],
 122                         [ 'Foo/./Sandbox', 'title-invalid-relative' ],
 123                         [ 'Foo/../Sandbox', 'title-invalid-relative' ],
 124                         [ 'Sandbox/.', 'title-invalid-relative' ],
 125                         [ 'Sandbox/..', 'title-invalid-relative' ],
 126                         // Tilde
 127                         [ 'A ~~~ Name', 'title-invalid-magic-tilde' ],
 128                         [ 'A ~~~~ Signature', 'title-invalid-magic-tilde' ],
 129                         [ 'A ~~~~~ Timestamp', 'title-invalid-magic-tilde' ],
 130                         // Length
 131                         [ str_repeat( 'x', 256 ), 'title-invalid-too-long' ],
 132                         // Namespace prefix without actual title
 133                         [ 'Talk:', 'title-invalid-empty' ],
 134                         [ 'Talk:#', 'title-invalid-empty' ],
 135                         [ 'Category: ', 'title-invalid-empty' ],
 136                         [ 'Category: #bar', 'title-invalid-empty' ],
 137                         // interwiki prefix
 138                         [ 'localtestiw: Talk: # anchor', 'title-invalid-empty' ],
 139                         [ 'localtestiw: Talk:', 'title-invalid-empty' ]
 140                 ];
 141         }
 142
 143         private function secureAndSplitGlobals() {
 144                 $this->setMwGlobals( [
 145                         'wgLocalInterwikis' => [ 'localtestiw' ],
 146                         'wgHooks' => [
 147                                 'InterwikiLoadPrefix' => [
 148                                         function ( $prefix, &$data ) {
 149                                                 if ( $prefix === 'localtestiw' ) {
 150                                                         $data = [ 'iw_url' => 'localtestiw' ];
 151                                                 } elseif ( $prefix === 'remotetestiw' ) {
 152                                                         $data = [ 'iw_url' => 'remotetestiw' ];
 153                                                 }
 154                                                 return false;
 155                                         }
 156                                 ]
 157                         ]
 158                 ] );
 159
 160                 // Reset services since we modified $wgLocalInterwikis
 161                 $this->overrideMwServices();
 162         }
 163
 164         /**
 165          * See also mediawiki.Title.test.js
 166          * @covers Title::secureAndSplit
 167          * @dataProvider provideValidSecureAndSplit
 168          * @note This mainly tests MediaWikiTitleCodec::parseTitle().
 169          */
 170         public function testSecureAndSplitValid( $text ) {
 171                 $this->secureAndSplitGlobals();
 172                 $this->assertInstanceOf( Title::class, Title::newFromText( $text ), "Valid: $text" );
 173         }
 174
 175         /**
 176          * See also mediawiki.Title.test.js
 177          * @covers Title::secureAndSplit
 178          * @dataProvider provideInvalidSecureAndSplit
 179          * @note This mainly tests MediaWikiTitleCodec::parseTitle().
 180          */
 181         public function testSecureAndSplitInvalid( $text, $expectedErrorMessage ) {
 182                 $this->secureAndSplitGlobals();
 183                 try {
 184                         Title::newFromTextThrow( $text ); // should throw
 185                         $this->assertTrue( false, "Invalid: $text" );
 186                 } catch ( MalformedTitleException $ex ) {
 187                         $this->assertEquals( $expectedErrorMessage, $ex->getErrorMessage(), "Invalid: $text" );
 188                 }
 189         }
 190
 191         public static function provideConvertByteClassToUnicodeClass() {
 192                 return [
 193                         [
 194                                 ' %!"$&\'()*,\\-.\\/0-9:;=?@A-Z\\\\^_`a-z~\\x80-\\xFF+',
 195                                 ' %!"$&\'()*,\\-./0-9:;=?@A-Z\\\\\\^_`a-z~+\\u0080-\\uFFFF',
 196                         ],
 197                         [
 198                                 'QWERTYf-\\xFF+',
 199                                 'QWERTYf-\\x7F+\\u0080-\\uFFFF',
 200                         ],
 201                         [
 202                                 'QWERTY\\x66-\\xFD+',
 203                                 'QWERTYf-\\x7F+\\u0080-\\uFFFF',
 204                         ],
 205                         [
 206                                 'QWERTYf-y+',
 207                                 'QWERTYf-y+',
 208                         ],
 209                         [
 210                                 'QWERTYf-\\x80+',
 211                                 'QWERTYf-\\x7F+\\u0080-\\uFFFF',
 212                         ],
 213                         [
 214                                 'QWERTY\\x66-\\x80+\\x23',
 215                                 'QWERTYf-\\x7F+#\\u0080-\\uFFFF',
 216                         ],
 217                         [
 218                                 'QWERTY\\x66-\\x80+\\xD3',
 219                                 'QWERTYf-\\x7F+\\u0080-\\uFFFF',
 220                         ],
 221                         [
 222                                 '\\\\\\x99',
 223                                 '\\\\\\u0080-\\uFFFF',
 224                         ],
 225                         [
 226                                 '-\\x99',
 227                                 '\\-\\u0080-\\uFFFF',
 228                         ],
 229                         [
 230                                 'QWERTY\\-\\x99',
 231                                 'QWERTY\\-\\u0080-\\uFFFF',
 232                         ],
 233                         [
 234                                 '\\\\x99',
 235                                 '\\\\x99',
 236                         ],
 237                         [
 238                                 'A-\\x9F',
 239                                 'A-\\x7F\\u0080-\\uFFFF',
 240                         ],
 241                         [
 242                                 '\\x66-\\x77QWERTY\\x88-\\x91FXZ',
 243                                 'f-wQWERTYFXZ\\u0080-\\uFFFF',
 244                         ],
 245                         [
 246                                 '\\x66-\\x99QWERTY\\xAA-\\xEEFXZ',
 247                                 'f-\\x7FQWERTYFXZ\\u0080-\\uFFFF',
 248                         ],
 249                 ];
 250         }
 251
 252         /**
 253          * @dataProvider provideConvertByteClassToUnicodeClass
 254          * @covers Title::convertByteClassToUnicodeClass
 255          */
 256         public function testConvertByteClassToUnicodeClass( $byteClass, $unicodeClass ) {
 257                 $this->assertEquals( $unicodeClass, Title::convertByteClassToUnicodeClass( $byteClass ) );
 258         }
 259
 260         /**
 261          * @dataProvider provideSpecialNamesWithAndWithoutParameter
 262          * @covers Title::fixSpecialName
 263          */
 264         public function testFixSpecialNameRetainsParameter( $text, $expectedParam ) {
 265                 $title = Title::newFromText( $text );
 266                 $fixed = $title->fixSpecialName();
 267                 $stuff = explode( '/', $fixed->getDBkey(), 2 );
 268                 if ( count( $stuff ) == 2 ) {
 269                         $par = $stuff[1];
 270                 } else {
 271                         $par = null;
 272                 }
 273                 $this->assertEquals(
 274                         $expectedParam,
 275                         $par,
 276                         "T33100 regression check: Title->fixSpecialName() should preserve parameter"
 277                 );
 278         }
 279
 280         public static function provideSpecialNamesWithAndWithoutParameter() {
 281                 return [
 282                         [ 'Special:Version', null ],
 283                         [ 'Special:Version/', '' ],
 284                         [ 'Special:Version/param', 'param' ],
 285                 ];
 286         }
 287
 288         /**
 289          * Auth-less test of Title::isValidMoveOperation
 290          *
 291          * @param string $source
 292          * @param string $target
 293          * @param array|string|bool $expected Required error
 294          * @dataProvider provideTestIsValidMoveOperation
 295          * @covers Title::isValidMoveOperation
 296          */
 297         public function testIsValidMoveOperation( $source, $target, $expected ) {
 298                 $this->hideDeprecated( 'Title::isValidMoveOperation' );
 299
 300                 $this->setMwGlobals( 'wgContentHandlerUseDB', false );
 301                 $title = Title::newFromText( $source );
 302                 $nt = Title::newFromText( $target );
 303                 $errors = $title->isValidMoveOperation( $nt, false );
 304                 if ( $expected === true ) {
 305                         $this->assertTrue( $errors );
 306                 } else {
 307                         $errors = $this->flattenErrorsArray( $errors );
 308                         foreach ( (array)$expected as $error ) {
 309                                 $this->assertContains( $error, $errors );
 310                         }
 311                 }
 312         }
 313
 314         public static function provideTestIsValidMoveOperation() {
 315                 return [
 316                         // for Title::isValidMoveOperation
 317                         [ 'Some page', '', 'badtitletext' ],
 318                         [ 'Test', 'Test', 'selfmove' ],
 319                         [ 'Special:FooBar', 'Test', 'immobile-source-namespace' ],
 320                         [ 'Test', 'Special:FooBar', 'immobile-target-namespace' ],
 321                         [ 'MediaWiki:Common.js', 'Help:Some wikitext page', 'bad-target-model' ],
 322                         [ 'Page', 'File:Test.jpg', 'nonfile-cannot-move-to-file' ],
 323                         [ 'File:Test.jpg', 'Page', 'imagenocrossnamespace' ],
 324                 ];
 325         }
 326
 327         /**
 328          * Auth-less test of Title::userCan
 329          *
 330          * @param array $whitelistRegexp
 331          * @param string $source
 332          * @param string $action
 333          * @param array|string|bool $expected Required error
 334          *
 335          * @covers \Mediawiki\Permissions\PermissionManager::checkReadPermissions
 336          * @dataProvider dataWgWhitelistReadRegexp
 337          */
 338         public function testWgWhitelistReadRegexp( $whitelistRegexp, $source, $action, $expected ) {
 339                 // $wgWhitelistReadRegexp must be an array. Since the provided test cases
 340                 // usually have only one regex, it is more concise to write the lonely regex
 341                 // as a string. Thus we cast to a [] to honor $wgWhitelistReadRegexp
 342                 // type requisite.
 343                 if ( is_string( $whitelistRegexp ) ) {
 344                         $whitelistRegexp = [ $whitelistRegexp ];
 345                 }
 346
 347                 $this->setMwGlobals( [
 348                         // So User::isEveryoneAllowed( 'read' ) === false
 349                         'wgGroupPermissions' => [ '*' => [ 'read' => false ] ],
 350                         'wgWhitelistRead' => [ 'some random non sense title' ],
 351                         'wgWhitelistReadRegexp' => $whitelistRegexp,
 352                 ] );
 353
 354                 $title = Title::newFromDBkey( $source );
 355
 356                 // New anonymous user with no rights
 357                 $user = new User;
 358                 $this->overrideUserPermissions( $user, [] );
 359                 $errors = $title->userCan( $action, $user );
 360
 361                 if ( is_bool( $expected ) ) {
 362                         # Forge the assertion message depending on the assertion expectation
 363                         $allowableness = $expected
 364                                 ? " should be allowed"
 365                                 : " should NOT be allowed";
 366                         $this->assertEquals(
 367                                 $expected,
 368                                 $errors,
 369                                 "User action '$action' on [[$source]] $allowableness."
 370                         );
 371                 } else {
 372                         $errors = $this->flattenErrorsArray( $errors );
 373                         foreach ( (array)$expected as $error ) {
 374                                 $this->assertContains( $error, $errors );
 375                         }
 376                 }
 377         }
 378
 379         /**
 380          * Provides test parameter values for testWgWhitelistReadRegexp()
 381          */
 382         public function dataWgWhitelistReadRegexp() {
 383                 $ALLOWED = true;
 384                 $DISALLOWED = false;
 385
 386                 return [
 387                         // Everything, if this doesn't work, we're really in trouble
 388                         [ '/.*/', 'Main_Page', 'read', $ALLOWED ],
 389                         [ '/.*/', 'Main_Page', 'edit', $DISALLOWED ],
 390
 391                         // We validate against the title name, not the db key
 392                         [ '/^Main_Page$/', 'Main_Page', 'read', $DISALLOWED ],
 393                         // Main page
 394                         [ '/^Main/', 'Main_Page', 'read', $ALLOWED ],
 395                         [ '/^Main.*/', 'Main_Page', 'read', $ALLOWED ],
 396                         // With spaces
 397                         [ '/Mic\sCheck/', 'Mic Check', 'read', $ALLOWED ],
 398                         // Unicode multibyte
 399                         // ...without unicode modifier
 400                         [ '/Unicode Test . Yes/', 'Unicode Test Ñ Yes', 'read', $DISALLOWED ],
 401                         // ...with unicode modifier
 402                         [ '/Unicode Test . Yes/u', 'Unicode Test Ñ Yes', 'read', $ALLOWED ],
 403                         // Case insensitive
 404                         [ '/MiC ChEcK/', 'mic check', 'read', $DISALLOWED ],
 405                         [ '/MiC ChEcK/i', 'mic check', 'read', $ALLOWED ],
 406
 407                         // From DefaultSettings.php:
 408                         [ "@^UsEr.*@i", 'User is banned', 'read', $ALLOWED ],
 409                         [ "@^UsEr.*@i", 'User:John Doe', 'read', $ALLOWED ],
 410
 411                         // With namespaces:
 412                         [ '/^Special:NewPages$/', 'Special:NewPages', 'read', $ALLOWED ],
 413                         [ null, 'Special:Newpages', 'read', $DISALLOWED ],
 414
 415                 ];
 416         }
 417
 418         public function flattenErrorsArray( $errors ) {
 419                 $result = [];
 420                 foreach ( $errors as $error ) {
 421                         $result[] = $error[0];
 422                 }
 423
 424                 return $result;
 425         }
 426
 427         /**
 428          * @dataProvider provideGetPageViewLanguage
 429          * @covers Title::getPageViewLanguage
 430          */
 431         public function testGetPageViewLanguage( $expected, $titleText, $contLang,
 432                 $lang, $variant, $msg = ''
 433         ) {
 434                 // Setup environnement for this test
 435                 $this->setMwGlobals( [
 436                         'wgDefaultLanguageVariant' => $variant,
 437                         'wgAllowUserJs' => true,
 438                 ] );
 439                 $this->setUserLang( $lang );
 440                 $this->setContentLang( $contLang );
 441
 442                 $title = Title::newFromText( $titleText );
 443                 $this->assertInstanceOf( Title::class, $title,
 444                         "Test must be passed a valid title text, you gave '$titleText'"
 445                 );
 446                 $this->assertEquals( $expected,
 447                         $title->getPageViewLanguage()->getCode(),
 448                         $msg
 449                 );
 450         }
 451
 452         public static function provideGetPageViewLanguage() {
 453                 # Format:
 454                 # - expected
 455                 # - Title name
 456                 # - content language (expected in most cases)
 457                 # - wgLang (on some specific pages)
 458                 # - wgDefaultLanguageVariant
 459                 # - Optional message
 460                 return [
 461                         [ 'fr', 'Help:I_need_somebody', 'fr', 'fr', false ],
 462                         [ 'es', 'Help:I_need_somebody', 'es', 'zh-tw', false ],
 463                         [ 'zh', 'Help:I_need_somebody', 'zh', 'zh-tw', false ],
 464
 465                         [ 'es', 'Help:I_need_somebody', 'es', 'zh-tw', 'zh-cn' ],
 466                         [ 'es', 'MediaWiki:About', 'es', 'zh-tw', 'zh-cn' ],
 467                         [ 'es', 'MediaWiki:About/', 'es', 'zh-tw', 'zh-cn' ],
 468                         [ 'de', 'MediaWiki:About/de', 'es', 'zh-tw', 'zh-cn' ],
 469                         [ 'en', 'MediaWiki:Common.js', 'es', 'zh-tw', 'zh-cn' ],
 470                         [ 'en', 'MediaWiki:Common.css', 'es', 'zh-tw', 'zh-cn' ],
 471                         [ 'en', 'User:JohnDoe/Common.js', 'es', 'zh-tw', 'zh-cn' ],
 472                         [ 'en', 'User:JohnDoe/Monobook.css', 'es', 'zh-tw', 'zh-cn' ],
 473
 474                         [ 'zh-cn', 'Help:I_need_somebody', 'zh', 'zh-tw', 'zh-cn' ],
 475                         [ 'zh', 'MediaWiki:About', 'zh', 'zh-tw', 'zh-cn' ],
 476                         [ 'zh', 'MediaWiki:About/', 'zh', 'zh-tw', 'zh-cn' ],
 477                         [ 'de', 'MediaWiki:About/de', 'zh', 'zh-tw', 'zh-cn' ],
 478                         [ 'zh-cn', 'MediaWiki:About/zh-cn', 'zh', 'zh-tw', 'zh-cn' ],
 479                         [ 'zh-tw', 'MediaWiki:About/zh-tw', 'zh', 'zh-tw', 'zh-cn' ],
 480                         [ 'en', 'MediaWiki:Common.js', 'zh', 'zh-tw', 'zh-cn' ],
 481                         [ 'en', 'MediaWiki:Common.css', 'zh', 'zh-tw', 'zh-cn' ],
 482                         [ 'en', 'User:JohnDoe/Common.js', 'zh', 'zh-tw', 'zh-cn' ],
 483                         [ 'en', 'User:JohnDoe/Monobook.css', 'zh', 'zh-tw', 'zh-cn' ],
 484
 485                         [ 'zh-tw', 'Special:NewPages', 'es', 'zh-tw', 'zh-cn' ],
 486                         [ 'zh-tw', 'Special:NewPages', 'zh', 'zh-tw', 'zh-cn' ],
 487
 488                 ];
 489         }
 490
 491         /**
 492          * @dataProvider provideBaseTitleCases
 493          * @covers Title::getBaseText
 494          */
 495         public function testGetBaseText( $title, $expected, $msg = '' ) {
 496                 $title = Title::newFromText( $title );
 497                 $this->assertSame( $expected,
 498                         $title->getBaseText(),
 499                         $msg
 500                 );
 501         }
 502
 503         /**
 504          * @dataProvider provideBaseTitleCases
 505          * @covers Title::getBaseTitle
 506          */
 507         public function testGetBaseTitle( $title, $expected, $msg = '' ) {
 508                 $title = Title::newFromText( $title );
 509                 $base = $title->getBaseTitle();
 510                 $this->assertTrue( $base->isValid(), $msg );
 511                 $this->assertTrue(
 512                         $base->equals( Title::makeTitleSafe( $title->getNamespace(), $expected ) ),
 513                         $msg
 514                 );
 515         }
 516
 517         public static function provideBaseTitleCases() {
 518                 return [
 519                         # Title, expected base, optional message
 520                         [ 'User:John_Doe/subOne/subTwo', 'John Doe/subOne' ],
 521                         [ 'User:Foo / Bar / Baz', 'Foo / Bar ' ],
 522                 ];
 523         }
 524
 525         /**
 526          * @dataProvider provideRootTitleCases
 527          * @covers Title::getRootText
 528          */
 529         public function testGetRootText( $title, $expected, $msg = '' ) {
 530                 $title = Title::newFromText( $title );
 531                 $this->assertEquals( $expected,
 532                         $title->getRootText(),
 533                         $msg
 534                 );
 535         }
 536
 537         /**
 538          * @dataProvider provideRootTitleCases
 539          * @covers Title::getRootTitle
 540          */
 541         public function testGetRootTitle( $title, $expected, $msg = '' ) {
 542                 $title = Title::newFromText( $title );
 543                 $root = $title->getRootTitle();
 544                 $this->assertTrue( $root->isValid(), $msg );
 545                 $this->assertTrue(
 546                         $root->equals( Title::makeTitleSafe( $title->getNamespace(), $expected ) ),
 547                         $msg
 548                 );
 549         }
 550
 551         public static function provideRootTitleCases() {
 552                 return [
 553                         # Title, expected base, optional message
 554                         [ 'User:John_Doe/subOne/subTwo', 'John Doe' ],
 555                         [ 'User:Foo / Bar / Baz', 'Foo ' ],
 556                 ];
 557         }
 558
 559         /**
 560          * @todo Handle $wgNamespacesWithSubpages cases
 561          * @dataProvider provideSubpageTitleCases
 562          * @covers Title::getSubpageText
 563          */
 564         public function testGetSubpageText( $title, $expected, $msg = '' ) {
 565                 $title = Title::newFromText( $title );
 566                 $this->assertEquals( $expected,
 567                         $title->getSubpageText(),
 568                         $msg
 569                 );
 570         }
 571
 572         public static function provideSubpageTitleCases() {
 573                 return [
 574                         # Title, expected base, optional message
 575                         [ 'User:John_Doe/subOne/subTwo', 'subTwo' ],
 576                         [ 'User:John_Doe/subOne', 'subOne' ],
 577                 ];
 578         }
 579
 580         public static function provideNewFromTitleValue() {
 581                 return [
 582                         [ new TitleValue( NS_MAIN, 'Foo' ) ],
 583                         [ new TitleValue( NS_MAIN, 'Foo', 'bar' ) ],
 584                         [ new TitleValue( NS_USER, 'Hansi_Maier' ) ],
 585                 ];
 586         }
 587
 588         /**
 589          * @covers Title::newFromTitleValue
 590          * @dataProvider provideNewFromTitleValue
 591          */
 592         public function testNewFromTitleValue( TitleValue $value ) {
 593                 $title = Title::newFromTitleValue( $value );
 594
 595                 $dbkey = str_replace( ' ', '_', $value->getText() );
 596                 $this->assertEquals( $dbkey, $title->getDBkey() );
 597                 $this->assertEquals( $value->getNamespace(), $title->getNamespace() );
 598                 $this->assertEquals( $value->getFragment(), $title->getFragment() );
 599         }
 600
 601         /**
 602          * @covers Title::newFromLinkTarget
 603          * @dataProvider provideNewFromTitleValue
 604          */
 605         public function testNewFromLinkTarget( LinkTarget $value ) {
 606                 $title = Title::newFromLinkTarget( $value );
 607
 608                 $dbkey = str_replace( ' ', '_', $value->getText() );
 609                 $this->assertEquals( $dbkey, $title->getDBkey() );
 610                 $this->assertEquals( $value->getNamespace(), $title->getNamespace() );
 611                 $this->assertEquals( $value->getFragment(), $title->getFragment() );
 612         }
 613
 614         /**
 615          * @covers Title::newFromLinkTarget
 616          */
 617         public function testNewFromLinkTarget_clone() {
 618                 $title = Title::newFromText( __METHOD__ );
 619                 $this->assertSame( $title, Title::newFromLinkTarget( $title ) );
 620
 621                 // The Title::NEW_CLONE flag should ensure that a fresh instance is returned.
 622                 $clone = Title::newFromLinkTarget( $title, Title::NEW_CLONE );
 623                 $this->assertNotSame( $title, $clone );
 624                 $this->assertTrue( $clone->equals( $title ) );
 625         }
 626
 627         public function provideCastFromLinkTarget() {
 628                 return array_merge( [ [ null ] ], self::provideNewFromTitleValue() );
 629         }
 630
 631         /**
 632          * @covers Title::castFromLinkTarget
 633          * @dataProvider provideCastFromLinkTarget
 634          */
 635         public function testCastFromLinkTarget( $value ) {
 636                 $title = Title::castFromLinkTarget( $value );
 637
 638                 if ( $value === null ) {
 639                         $this->assertNull( $title );
 640                 } else {
 641                         $dbkey = str_replace( ' ', '_', $value->getText() );
 642                         $this->assertSame( $dbkey, $title->getDBkey() );
 643                         $this->assertSame( $value->getNamespace(), $title->getNamespace() );
 644                         $this->assertSame( $value->getFragment(), $title->getFragment() );
 645                 }
 646         }
 647
 648         public static function provideGetTitleValue() {
 649                 return [
 650                         [ 'Foo' ],
 651                         [ 'Foo#bar' ],
 652                         [ 'User:Hansi_Maier' ],
 653                 ];
 654         }
 655
 656         /**
 657          * @covers Title::getTitleValue
 658          * @dataProvider provideGetTitleValue
 659          */
 660         public function testGetTitleValue( $text ) {
 661                 $title = Title::newFromText( $text );
 662                 $value = $title->getTitleValue();
 663
 664                 $dbkey = str_replace( ' ', '_', $value->getText() );
 665                 $this->assertEquals( $title->getDBkey(), $dbkey );
 666                 $this->assertEquals( $title->getNamespace(), $value->getNamespace() );
 667                 $this->assertEquals( $title->getFragment(), $value->getFragment() );
 668         }
 669
 670         public static function provideGetFragment() {
 671                 return [
 672                         [ 'Foo', '' ],
 673                         [ 'Foo#bar', 'bar' ],
 674                         [ 'Foo#bär', 'bär' ],
 675
 676                         // Inner whitespace is normalized
 677                         [ 'Foo#bar_bar', 'bar bar' ],
 678                         [ 'Foo#bar bar', 'bar bar' ],
 679                         [ 'Foo#bar   bar', 'bar bar' ],
 680
 681                         // Leading whitespace is kept, trailing whitespace is trimmed.
 682                         // XXX: Is this really want we want?
 683                         [ 'Foo#_bar_bar_', ' bar bar' ],
 684                         [ 'Foo# bar bar ', ' bar bar' ],
 685                 ];
 686         }
 687
 688         /**
 689          * @covers Title::getFragment
 690          * @dataProvider provideGetFragment
 691          *
 692          * @param string $full
 693          * @param string $fragment
 694          */
 695         public function testGetFragment( $full, $fragment ) {
 696                 $title = Title::newFromText( $full );
 697                 $this->assertEquals( $fragment, $title->getFragment() );
 698         }
 699
 700         /**
 701          * @covers Title::isAlwaysKnown
 702          * @dataProvider provideIsAlwaysKnown
 703          * @param string $page
 704          * @param bool $isKnown
 705          */
 706         public function testIsAlwaysKnown( $page, $isKnown ) {
 707                 $title = Title::newFromText( $page );
 708                 $this->assertEquals( $isKnown, $title->isAlwaysKnown() );
 709         }
 710
 711         public static function provideIsAlwaysKnown() {
 712                 return [
 713                         [ 'Some nonexistent page', false ],
 714                         [ 'UTPage', false ],
 715                         [ '#test', true ],
 716                         [ 'Special:BlankPage', true ],
 717                         [ 'Special:SomeNonexistentSpecialPage', false ],
 718                         [ 'MediaWiki:Parentheses', true ],
 719                         [ 'MediaWiki:Some nonexistent message', false ],
 720                 ];
 721         }
 722
 723         /**
 724          * @covers Title::isValid
 725          * @dataProvider provideIsValid
 726          * @param Title $title
 727          * @param bool $isValid
 728          */
 729         public function testIsValid( Title $title, $isValid ) {
 730                 $this->assertEquals( $isValid, $title->isValid(), $title->getPrefixedText() );
 731         }
 732
 733         public static function provideIsValid() {
 734                 return [
 735                         [ Title::makeTitle( NS_MAIN, '' ), false ],
 736                         [ Title::makeTitle( NS_MAIN, '<>' ), false ],
 737                         [ Title::makeTitle( NS_MAIN, '|' ), false ],
 738                         [ Title::makeTitle( NS_MAIN, '#' ), false ],
 739                         [ Title::makeTitle( NS_MAIN, 'Test' ), true ],
 740                         [ Title::makeTitle( NS_MAIN, ' Test' ), false ],
 741                         [ Title::makeTitle( NS_MAIN, '_Test' ), false ],
 742                         [ Title::makeTitle( NS_MAIN, 'Test ' ), false ],
 743                         [ Title::makeTitle( NS_MAIN, 'Test_' ), false ],
 744                         [ Title::makeTitle( NS_MAIN, "Test\nthis" ), false ],
 745                         [ Title::makeTitle( NS_MAIN, "Test\tthis" ), false ],
 746                         [ Title::makeTitle( -33, 'Test' ), false ],
 747                         [ Title::makeTitle( 77663399, 'Test' ), false ],
 748                 ];
 749         }
 750
 751         /**
 752          * @covers Title::isAlwaysKnown
 753          */
 754         public function testIsAlwaysKnownOnInterwiki() {
 755                 $title = Title::makeTitle( NS_MAIN, 'Interwiki link', '', 'externalwiki' );
 756                 $this->assertTrue( $title->isAlwaysKnown() );
 757         }
 758
 759         /**
 760          * @covers Title::exists
 761          */
 762         public function testExists() {
 763                 $title = Title::makeTitle( NS_PROJECT, 'New page' );
 764                 $linkCache = MediaWikiServices::getInstance()->getLinkCache();
 765
 766                 $article = new Article( $title );
 767                 $page = $article->getPage();
 768                 $page->doEditContent( new WikitextContent( 'Some [[link]]' ), 'summary' );
 769
 770                 // Tell Title it doesn't know whether it exists
 771                 $title->mArticleID = -1;
 772
 773                 // Tell the link cache it doesn't exists when it really does
 774                 $linkCache->clearLink( $title );
 775                 $linkCache->addBadLinkObj( $title );
 776
 777                 $this->assertEquals(
 778                         false,
 779                         $title->exists(),
 780                         'exists() should rely on link cache unless GAID_FOR_UPDATE is used'
 781                 );
 782                 $this->assertEquals(
 783                         true,
 784                         $title->exists( Title::GAID_FOR_UPDATE ),
 785                         'exists() should re-query database when GAID_FOR_UPDATE is used'
 786                 );
 787         }
 788
 789         public function provideCanHaveTalkPage() {
 790                 return [
 791                         'User page has talk page' => [
 792                                 Title::makeTitle( NS_USER, 'Jane' ), true
 793                         ],
 794                         'Talke page has talk page' => [
 795                                 Title::makeTitle( NS_TALK, 'Foo' ), true
 796                         ],
 797                         'Special page cannot have talk page' => [
 798                                 Title::makeTitle( NS_SPECIAL, 'Thing' ), false
 799                         ],
 800                         'Virtual namespace cannot have talk page' => [
 801                                 Title::makeTitle( NS_MEDIA, 'Kitten.jpg' ), false
 802                         ],
 803                         'Relative link has no talk page' => [
 804                                 Title::makeTitle( NS_MAIN, '', 'Kittens' ), false
 805                         ],
 806                         'Interwiki link has no talk page' => [
 807                                 Title::makeTitle( NS_MAIN, 'Kittens', '', 'acme' ), false
 808                         ],
 809                 ];
 810         }
 811
 812         public function provideIsWatchable() {
 813                 return [
 814                         'User page is watchable' => [
 815                                 Title::makeTitle( NS_USER, 'Jane' ), true
 816                         ],
 817                         'Talke page is watchable' => [
 818                                 Title::makeTitle( NS_TALK, 'Foo' ), true
 819                         ],
 820                         'Special page is not watchable' => [
 821                                 Title::makeTitle( NS_SPECIAL, 'Thing' ), false
 822                         ],
 823                         'Virtual namespace is not watchable' => [
 824                                 Title::makeTitle( NS_MEDIA, 'Kitten.jpg' ), false
 825                         ],
 826                         'Relative link is not watchable' => [
 827                                 Title::makeTitle( NS_MAIN, '', 'Kittens' ), false
 828                         ],
 829                         'Interwiki link is not watchable' => [
 830                                 Title::makeTitle( NS_MAIN, 'Kittens', '', 'acme' ), false
 831                         ],
 832                 ];
 833         }
 834
 835         public static function provideGetTalkPage_good() {
 836                 return [
 837                         [ Title::makeTitle( NS_MAIN, 'Test' ), Title::makeTitle( NS_TALK, 'Test' ) ],
 838                         [ Title::makeTitle( NS_TALK, 'Test' ), Title::makeTitle( NS_TALK, 'Test' ) ],
 839                 ];
 840         }
 841
 842         public static function provideGetTalkPage_bad() {
 843                 return [
 844                         [ Title::makeTitle( NS_SPECIAL, 'Test' ) ],
 845                         [ Title::makeTitle( NS_MEDIA, 'Test' ) ],
 846                         [ Title::makeTitle( NS_MAIN, '', 'Kittens' ) ],
 847                         [ Title::makeTitle( NS_MAIN, 'Kittens', '', 'acme' ) ],
 848                 ];
 849         }
 850
 851         public static function provideGetSubjectPage_good() {
 852                 return [
 853                         [ Title::makeTitle( NS_TALK, 'Test' ), Title::makeTitle( NS_MAIN, 'Test' ) ],
 854                         [ Title::makeTitle( NS_MAIN, 'Test' ), Title::makeTitle( NS_MAIN, 'Test' ) ],
 855                 ];
 856         }
 857
 858         public static function provideGetOtherPage_good() {
 859                 return [
 860                         [ Title::makeTitle( NS_MAIN, 'Test' ), Title::makeTitle( NS_TALK, 'Test' ) ],
 861                         [ Title::makeTitle( NS_TALK, 'Test' ), Title::makeTitle( NS_MAIN, 'Test' ) ],
 862                 ];
 863         }
 864
 865         /**
 866          * @dataProvider provideCanHaveTalkPage
 867          * @covers Title::canHaveTalkPage
 868          *
 869          * @param Title $title
 870          * @param bool $expected
 871          */
 872         public function testCanHaveTalkPage( Title $title, $expected ) {
 873                 $actual = $title->canHaveTalkPage();
 874                 $this->assertSame( $expected, $actual, $title->getPrefixedDBkey() );
 875         }
 876
 877         /**
 878          * @dataProvider provideIsWatchable
 879          * @covers Title::isWatchable
 880          *
 881          * @param Title $title
 882          * @param bool $expected
 883          */
 884         public function testIsWatchable( Title $title, $expected ) {
 885                 $actual = $title->canHaveTalkPage();
 886                 $this->assertSame( $expected, $actual, $title->getPrefixedDBkey() );
 887         }
 888
 889         /**
 890          * @dataProvider provideGetTalkPage_good
 891          * @covers Title::getTalkPageIfDefined
 892          */
 893         public function testGetTalkPage_good( Title $title, Title $expected ) {
 894                 $actual = $title->getTalkPage();
 895                 $this->assertTrue( $expected->equals( $actual ), $title->getPrefixedDBkey() );
 896         }
 897
 898         /**
 899          * @dataProvider provideGetTalkPage_bad
 900          * @covers Title::getTalkPageIfDefined
 901          */
 902         public function testGetTalkPage_bad( Title $title ) {
 903                 $this->setExpectedException( MWException::class );
 904                 $title->getTalkPage();
 905         }
 906
 907         /**
 908          * @dataProvider provideGetTalkPage_good
 909          * @covers Title::getTalkPageIfDefined
 910          */
 911         public function testGetTalkPageIfDefined_good( Title $title, Title $expected ) {
 912                 $actual = $title->getTalkPageIfDefined();
 913                 $this->assertNotNull( $actual, $title->getPrefixedDBkey() );
 914                 $this->assertTrue( $expected->equals( $actual ), $title->getPrefixedDBkey() );
 915         }
 916
 917         /**
 918          * @dataProvider provideGetTalkPage_bad
 919          * @covers Title::getTalkPageIfDefined
 920          */
 921         public function testGetTalkPageIfDefined_bad( Title $title ) {
 922                 $talk = $title->getTalkPageIfDefined();
 923                 $this->assertNull(
 924                         $talk,
 925                         $title->getPrefixedDBkey()
 926                 );
 927         }
 928
 929         /**
 930          * @dataProvider provideGetSubjectPage_good
 931          * @covers Title::getSubjectPage
 932          */
 933         public function testGetSubjectPage_good( Title $title, Title $expected ) {
 934                 $actual = $title->getSubjectPage();
 935                 $this->assertTrue( $expected->equals( $actual ), $title->getPrefixedDBkey() );
 936         }
 937
 938         /**
 939          * @dataProvider provideGetOtherPage_good
 940          * @covers Title::getOtherPage
 941          */
 942         public function testGetOtherPage_good( Title $title, Title $expected ) {
 943                 $actual = $title->getOtherPage();
 944                 $this->assertTrue( $expected->equals( $actual ), $title->getPrefixedDBkey() );
 945         }
 946
 947         /**
 948          * @dataProvider provideGetTalkPage_bad
 949          * @covers Title::getOtherPage
 950          */
 951         public function testGetOtherPage_bad( Title $title ) {
 952                 $this->setExpectedException( MWException::class );
 953                 $title->getOtherPage();
 954         }
 955
 956         public function provideCreateFragmentTitle() {
 957                 return [
 958                         [ Title::makeTitle( NS_MAIN, 'Test' ), 'foo' ],
 959                         [ Title::makeTitle( NS_TALK, 'Test', 'foo' ), '' ],
 960                         [ Title::makeTitle( NS_CATEGORY, 'Test', 'foo' ), 'bar' ],
 961                         [ Title::makeTitle( NS_MAIN, 'Test1', '', 'interwiki' ), 'baz' ]
 962                 ];
 963         }
 964
 965         /**
 966          * @covers Title::createFragmentTarget
 967          * @dataProvider provideCreateFragmentTitle
 968          */
 969         public function testCreateFragmentTitle( Title $title, $fragment ) {
 970                 $this->mergeMwGlobalArrayValue( 'wgHooks', [
 971                         'InterwikiLoadPrefix' => [
 972                                 function ( $prefix, &$iwdata ) {
 973                                         if ( $prefix === 'interwiki' ) {
 974                                                 $iwdata = [
 975                                                         'iw_url' => 'http://example.com/',
 976                                                         'iw_local' => 0,
 977                                                         'iw_trans' => 0,
 978                                                 ];
 979                                                 return false;
 980                                         }
 981                                 },
 982                         ],
 983                 ] );
 984
 985                 $fragmentTitle = $title->createFragmentTarget( $fragment );
 986
 987                 $this->assertEquals( $title->getNamespace(), $fragmentTitle->getNamespace() );
 988                 $this->assertEquals( $title->getText(), $fragmentTitle->getText() );
 989                 $this->assertEquals( $title->getInterwiki(), $fragmentTitle->getInterwiki() );
 990                 $this->assertEquals( $fragment, $fragmentTitle->getFragment() );
 991         }
 992
 993         public function provideGetPrefixedText() {
 994                 return [
 995                         // ns = 0
 996                         [
 997                                 Title::makeTitle( NS_MAIN, 'Foo bar' ),
 998                                 'Foo bar'
 999                         ],
1000                         // ns = 2
1001                         [
1002                                 Title::makeTitle( NS_USER, 'Foo bar' ),
1003                                 'User:Foo bar'
1004                         ],
1005                         // ns = 3
1006                         [
1007                                 Title::makeTitle( NS_USER_TALK, 'Foo bar' ),
1008                                 'User talk:Foo bar'
1009                         ],
1010                         // fragment not included
1011                         [
1012                                 Title::makeTitle( NS_MAIN, 'Foo bar', 'fragment' ),
1013                                 'Foo bar'
1014                         ],
1015                         // ns = -2
1016                         [
1017                                 Title::makeTitle( NS_MEDIA, 'Foo bar' ),
1018                                 'Media:Foo bar'
1019                         ],
1020                         // non-existent namespace
1021                         [
1022                                 Title::makeTitle( 100777, 'Foo bar' ),
1023                                 'Special:Badtitle/NS100777:Foo bar'
1024                         ],
1025                 ];
1026         }
1027
1028         /**
1029          * @covers Title::getPrefixedText
1030          * @dataProvider provideGetPrefixedText
1031          */
1032         public function testGetPrefixedText( Title $title, $expected ) {
1033                 $this->assertEquals( $expected, $title->getPrefixedText() );
1034         }
1035
1036         public function provideGetPrefixedDBKey() {
1037                 return [
1038                         // ns = 0
1039                         [
1040                                 Title::makeTitle( NS_MAIN, 'Foo_bar' ),
1041                                 'Foo_bar'
1042                         ],
1043                         // ns = 2
1044                         [
1045                                 Title::makeTitle( NS_USER, 'Foo_bar' ),
1046                                 'User:Foo_bar'
1047                         ],
1048                         // ns = 3
1049                         [
1050                                 Title::makeTitle( NS_USER_TALK, 'Foo_bar' ),
1051                                 'User_talk:Foo_bar'
1052                         ],
1053                         // fragment not included
1054                         [
1055                                 Title::makeTitle( NS_MAIN, 'Foo_bar', 'fragment' ),
1056                                 'Foo_bar'
1057                         ],
1058                         // ns = -2
1059                         [
1060                                 Title::makeTitle( NS_MEDIA, 'Foo_bar' ),
1061                                 'Media:Foo_bar'
1062                         ],
1063                         // non-existent namespace
1064                         [
1065                                 Title::makeTitle( 100777, 'Foo_bar' ),
1066                                 'Special:Badtitle/NS100777:Foo_bar'
1067                         ],
1068                 ];
1069         }
1070
1071         /**
1072          * @covers Title::getPrefixedDBKey
1073          * @dataProvider provideGetPrefixedDBKey
1074          */
1075         public function testGetPrefixedDBKey( Title $title, $expected ) {
1076                 $this->assertEquals( $expected, $title->getPrefixedDBkey() );
1077         }
1078
1079         /**
1080          * @covers Title::getFragmentForURL
1081          * @dataProvider provideGetFragmentForURL
1082          *
1083          * @param string $titleStr
1084          * @param string $expected
1085          */
1086         public function testGetFragmentForURL( $titleStr, $expected ) {
1087                 $this->setMwGlobals( [
1088                         'wgFragmentMode' => [ 'html5' ],
1089                         'wgExternalInterwikiFragmentMode' => 'legacy',
1090                 ] );
1091                 $dbw = wfGetDB( DB_MASTER );
1092                 $dbw->insert( 'interwiki',
1093                         [
1094                                 [
1095                                         'iw_prefix' => 'de',
1096                                         'iw_url' => 'http://de.wikipedia.org/wiki/',
1097                                         'iw_api' => 'http://de.wikipedia.org/w/api.php',
1098                                         'iw_wikiid' => 'dewiki',
1099                                         'iw_local' => 1,
1100                                         'iw_trans' => 0,
1101                                 ],
1102                                 [
1103                                         'iw_prefix' => 'zz',
1104                                         'iw_url' => 'http://zzwiki.org/wiki/',
1105                                         'iw_api' => 'http://zzwiki.org/w/api.php',
1106                                         'iw_wikiid' => 'zzwiki',
1107                                         'iw_local' => 0,
1108                                         'iw_trans' => 0,
1109                                 ],
1110                         ],
1111                         __METHOD__,
1112                         [ 'IGNORE' ]
1113                 );
1114
1115                 $title = Title::newFromText( $titleStr );
1116                 self::assertEquals( $expected, $title->getFragmentForURL() );
1117
1118                 $dbw->delete( 'interwiki', '*', __METHOD__ );
1119         }
1120
1121         public function provideGetFragmentForURL() {
1122                 return [
1123                         [ 'Foo', '' ],
1124                         [ 'Foo#ümlåût', '#ümlåût' ],
1125                         [ 'de:Foo#Bå®', '#Bå®' ],
1126                         [ 'zz:Foo#тест', '#.D1.82.D0.B5.D1.81.D1.82' ],
1127                 ];
1128         }
1129
1130         /**
1131          * @covers Title::isRawHtmlMessage
1132          * @dataProvider provideIsRawHtmlMessage
1133          */
1134         public function testIsRawHtmlMessage( $textForm, $expected ) {
1135                 $this->setMwGlobals( 'wgRawHtmlMessages', [
1136                         'foobar',
1137                         'foo_bar',
1138                         'foo-bar',
1139                 ] );
1140
1141                 $title = Title::newFromText( $textForm );
1142                 $this->assertSame( $expected, $title->isRawHtmlMessage() );
1143         }
1144
1145         public function provideIsRawHtmlMessage() {
1146                 return [
1147                         [ 'MediaWiki:Foobar', true ],
1148                         [ 'MediaWiki:Foo bar', true ],
1149                         [ 'MediaWiki:Foo-bar', true ],
1150                         [ 'MediaWiki:foo bar', true ],
1151                         [ 'MediaWiki:foo-bar', true ],
1152                         [ 'MediaWiki:foobar', true ],
1153                         [ 'MediaWiki:some-other-message', false ],
1154                         [ 'Main Page', false ],
1155                 ];
1156         }
1157
1158         public function provideEquals() {
1159                 yield [
1160                         Title::newFromText( 'Main Page' ),
1161                         Title::newFromText( 'Main Page' ),
1162                         true
1163                 ];
1164                 yield [
1165                         Title::newFromText( 'Main Page' ),
1166                         Title::newFromText( 'Not The Main Page' ),
1167                         false
1168                 ];
1169                 yield [
1170                         Title::newFromText( 'Main Page' ),
1171                         Title::newFromText( 'Project:Main Page' ),
1172                         false
1173                 ];
1174                 yield [
1175                         Title::newFromText( 'File:Example.png' ),
1176                         Title::newFromText( 'Image:Example.png' ),
1177                         true
1178                 ];
1179                 yield [
1180                         Title::newFromText( 'Special:Version' ),
1181                         Title::newFromText( 'Special:Version' ),
1182                         true
1183                 ];
1184                 yield [
1185                         Title::newFromText( 'Special:Version' ),
1186                         Title::newFromText( 'Special:Recentchanges' ),
1187                         false
1188                 ];
1189                 yield [
1190                         Title::newFromText( 'Special:Version' ),
1191                         Title::newFromText( 'Main Page' ),
1192                         false
1193                 ];
1194                 yield [
1195                         Title::makeTitle( NS_MAIN, 'Foo', '', '' ),
1196                         Title::makeTitle( NS_MAIN, 'Foo', '', '' ),
1197                         true
1198                 ];
1199                 yield [
1200                         Title::makeTitle( NS_MAIN, 'Foo', '', '' ),
1201                         Title::makeTitle( NS_MAIN, 'Bar', '', '' ),
1202                         false
1203                 ];
1204                 yield [
1205                         Title::makeTitle( NS_MAIN, 'Foo', '', '' ),
1206                         Title::makeTitle( NS_TALK, 'Foo', '', '' ),
1207                         false
1208                 ];
1209                 yield [
1210                         Title::makeTitle( NS_MAIN, 'Foo', 'Bar', '' ),
1211                         Title::makeTitle( NS_MAIN, 'Foo', 'Bar', '' ),
1212                         true
1213                 ];
1214                 yield [
1215                         Title::makeTitle( NS_MAIN, 'Foo', 'Bar', '' ),
1216                         Title::makeTitle( NS_MAIN, 'Foo', 'Baz', '' ),
1217                         true
1218                 ];
1219                 yield [
1220                         Title::makeTitle( NS_MAIN, 'Foo', 'Bar', '' ),
1221                         Title::makeTitle( NS_MAIN, 'Foo', '', '' ),
1222                         true
1223                 ];
1224                 yield [
1225                         Title::makeTitle( NS_MAIN, 'Foo', '', 'baz' ),
1226                         Title::makeTitle( NS_MAIN, 'Foo', '', 'baz' ),
1227                         true
1228                 ];
1229                 yield [
1230                         Title::makeTitle( NS_MAIN, 'Foo', '', '' ),
1231                         Title::makeTitle( NS_MAIN, 'Foo', '', 'baz' ),
1232                         false
1233                 ];
1234         }
1235
1236         /**
1237          * @covers Title::equals
1238          * @dataProvider provideEquals
1239          */
1240         public function testEquals( Title $firstValue, /* LinkTarget */ $secondValue, $expectedSame ) {
1241                 $this->assertSame(
1242                         $expectedSame,
1243                         $firstValue->equals( $secondValue )
1244                 );
1245         }
1246
1247         /**
1248          * @covers Title::newMainPage
1249          */
1250         public function testNewMainPage() {
1251                 $msgCache = TestingAccessWrapper::newFromClass( MessageCache::class );
1252                 $msgCache->instance = $this->createMock( MessageCache::class );
1253                 $msgCache->instance->method( 'get' )->willReturn( 'Foresheet' );
1254                 $msgCache->instance->method( 'transform' )->willReturn( 'Foresheet' );
1255
1256                 $this->assertSame(
1257                         'Foresheet',
1258                         Title::newMainPage()->getText()
1259                 );
1260         }
1261
1262         /**
1263          * @covers Title::newMainPage
1264          */
1265         public function testNewMainPageWithLocal() {
1266                 $local = $this->createMock( MessageLocalizer::class );
1267                 $local->method( 'msg' )->willReturn( new RawMessage( 'Prime Article' ) );
1268
1269                 $this->assertSame(
1270                         'Prime Article',
1271                         Title::newMainPage( $local )->getText()
1272                 );
1273         }
1274 }