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 an array() 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->assertEquals( $expected,
 498                         $title->getBaseText(),
 499                         $msg
 500                 );
 501         }
 502
 503         public static function provideBaseTitleCases() {
 504                 return [
 505                         # Title, expected base, optional message
 506                         [ 'User:John_Doe/subOne/subTwo', 'John Doe/subOne' ],
 507                         [ 'User:Foo/Bar/Baz', 'Foo/Bar' ],
 508                 ];
 509         }
 510
 511         /**
 512          * @dataProvider provideRootTitleCases
 513          * @covers Title::getRootText
 514          */
 515         public function testGetRootText( $title, $expected, $msg = '' ) {
 516                 $title = Title::newFromText( $title );
 517                 $this->assertEquals( $expected,
 518                         $title->getRootText(),
 519                         $msg
 520                 );
 521         }
 522
 523         public static function provideRootTitleCases() {
 524                 return [
 525                         # Title, expected base, optional message
 526                         [ 'User:John_Doe/subOne/subTwo', 'John Doe' ],
 527                         [ 'User:Foo/Bar/Baz', 'Foo' ],
 528                 ];
 529         }
 530
 531         /**
 532          * @todo Handle $wgNamespacesWithSubpages cases
 533          * @dataProvider provideSubpageTitleCases
 534          * @covers Title::getSubpageText
 535          */
 536         public function testGetSubpageText( $title, $expected, $msg = '' ) {
 537                 $title = Title::newFromText( $title );
 538                 $this->assertEquals( $expected,
 539                         $title->getSubpageText(),
 540                         $msg
 541                 );
 542         }
 543
 544         public static function provideSubpageTitleCases() {
 545                 return [
 546                         # Title, expected base, optional message
 547                         [ 'User:John_Doe/subOne/subTwo', 'subTwo' ],
 548                         [ 'User:John_Doe/subOne', 'subOne' ],
 549                 ];
 550         }
 551
 552         public static function provideNewFromTitleValue() {
 553                 return [
 554                         [ new TitleValue( NS_MAIN, 'Foo' ) ],
 555                         [ new TitleValue( NS_MAIN, 'Foo', 'bar' ) ],
 556                         [ new TitleValue( NS_USER, 'Hansi_Maier' ) ],
 557                 ];
 558         }
 559
 560         /**
 561          * @covers Title::newFromTitleValue
 562          * @dataProvider provideNewFromTitleValue
 563          */
 564         public function testNewFromTitleValue( TitleValue $value ) {
 565                 $title = Title::newFromTitleValue( $value );
 566
 567                 $dbkey = str_replace( ' ', '_', $value->getText() );
 568                 $this->assertEquals( $dbkey, $title->getDBkey() );
 569                 $this->assertEquals( $value->getNamespace(), $title->getNamespace() );
 570                 $this->assertEquals( $value->getFragment(), $title->getFragment() );
 571         }
 572
 573         /**
 574          * @covers Title::newFromLinkTarget
 575          * @dataProvider provideNewFromTitleValue
 576          */
 577         public function testNewFromLinkTarget( LinkTarget $value ) {
 578                 $title = Title::newFromLinkTarget( $value );
 579
 580                 $dbkey = str_replace( ' ', '_', $value->getText() );
 581                 $this->assertEquals( $dbkey, $title->getDBkey() );
 582                 $this->assertEquals( $value->getNamespace(), $title->getNamespace() );
 583                 $this->assertEquals( $value->getFragment(), $title->getFragment() );
 584         }
 585
 586         /**
 587          * @covers Title::newFromLinkTarget
 588          */
 589         public function testNewFromLinkTarget_clone() {
 590                 $title = Title::newFromText( __METHOD__ );
 591                 $this->assertSame( $title, Title::newFromLinkTarget( $title ) );
 592
 593                 // The Title::NEW_CLONE flag should ensure that a fresh instance is returned.
 594                 $clone = Title::newFromLinkTarget( $title, Title::NEW_CLONE );
 595                 $this->assertNotSame( $title, $clone );
 596                 $this->assertTrue( $clone->equals( $title ) );
 597         }
 598
 599         public function provideCastFromLinkTarget() {
 600                 return array_merge( [ [ null ] ], self::provideNewFromTitleValue() );
 601         }
 602
 603         /**
 604          * @covers Title::castFromLinkTarget
 605          * @dataProvider provideCastFromLinkTarget
 606          */
 607         public function testCastFromLinkTarget( $value ) {
 608                 $title = Title::castFromLinkTarget( $value );
 609
 610                 if ( $value === null ) {
 611                         $this->assertNull( $title );
 612                 } else {
 613                         $dbkey = str_replace( ' ', '_', $value->getText() );
 614                         $this->assertSame( $dbkey, $title->getDBkey() );
 615                         $this->assertSame( $value->getNamespace(), $title->getNamespace() );
 616                         $this->assertSame( $value->getFragment(), $title->getFragment() );
 617                 }
 618         }
 619
 620         public static function provideGetTitleValue() {
 621                 return [
 622                         [ 'Foo' ],
 623                         [ 'Foo#bar' ],
 624                         [ 'User:Hansi_Maier' ],
 625                 ];
 626         }
 627
 628         /**
 629          * @covers Title::getTitleValue
 630          * @dataProvider provideGetTitleValue
 631          */
 632         public function testGetTitleValue( $text ) {
 633                 $title = Title::newFromText( $text );
 634                 $value = $title->getTitleValue();
 635
 636                 $dbkey = str_replace( ' ', '_', $value->getText() );
 637                 $this->assertEquals( $title->getDBkey(), $dbkey );
 638                 $this->assertEquals( $title->getNamespace(), $value->getNamespace() );
 639                 $this->assertEquals( $title->getFragment(), $value->getFragment() );
 640         }
 641
 642         public static function provideGetFragment() {
 643                 return [
 644                         [ 'Foo', '' ],
 645                         [ 'Foo#bar', 'bar' ],
 646                         [ 'Foo#bär', 'bär' ],
 647
 648                         // Inner whitespace is normalized
 649                         [ 'Foo#bar_bar', 'bar bar' ],
 650                         [ 'Foo#bar bar', 'bar bar' ],
 651                         [ 'Foo#bar   bar', 'bar bar' ],
 652
 653                         // Leading whitespace is kept, trailing whitespace is trimmed.
 654                         // XXX: Is this really want we want?
 655                         [ 'Foo#_bar_bar_', ' bar bar' ],
 656                         [ 'Foo# bar bar ', ' bar bar' ],
 657                 ];
 658         }
 659
 660         /**
 661          * @covers Title::getFragment
 662          * @dataProvider provideGetFragment
 663          *
 664          * @param string $full
 665          * @param string $fragment
 666          */
 667         public function testGetFragment( $full, $fragment ) {
 668                 $title = Title::newFromText( $full );
 669                 $this->assertEquals( $fragment, $title->getFragment() );
 670         }
 671
 672         /**
 673          * @covers Title::isAlwaysKnown
 674          * @dataProvider provideIsAlwaysKnown
 675          * @param string $page
 676          * @param bool $isKnown
 677          */
 678         public function testIsAlwaysKnown( $page, $isKnown ) {
 679                 $title = Title::newFromText( $page );
 680                 $this->assertEquals( $isKnown, $title->isAlwaysKnown() );
 681         }
 682
 683         public static function provideIsAlwaysKnown() {
 684                 return [
 685                         [ 'Some nonexistent page', false ],
 686                         [ 'UTPage', false ],
 687                         [ '#test', true ],
 688                         [ 'Special:BlankPage', true ],
 689                         [ 'Special:SomeNonexistentSpecialPage', false ],
 690                         [ 'MediaWiki:Parentheses', true ],
 691                         [ 'MediaWiki:Some nonexistent message', false ],
 692                 ];
 693         }
 694
 695         /**
 696          * @covers Title::isValid
 697          * @dataProvider provideIsValid
 698          * @param Title $title
 699          * @param bool $isValid
 700          */
 701         public function testIsValid( Title $title, $isValid ) {
 702                 $this->assertEquals( $isValid, $title->isValid(), $title->getPrefixedText() );
 703         }
 704
 705         public static function provideIsValid() {
 706                 return [
 707                         [ Title::makeTitle( NS_MAIN, '' ), false ],
 708                         [ Title::makeTitle( NS_MAIN, '<>' ), false ],
 709                         [ Title::makeTitle( NS_MAIN, '|' ), false ],
 710                         [ Title::makeTitle( NS_MAIN, '#' ), false ],
 711                         [ Title::makeTitle( NS_MAIN, 'Test' ), true ],
 712                         [ Title::makeTitle( -33, 'Test' ), false ],
 713                         [ Title::makeTitle( 77663399, 'Test' ), false ],
 714                 ];
 715         }
 716
 717         /**
 718          * @covers Title::isAlwaysKnown
 719          */
 720         public function testIsAlwaysKnownOnInterwiki() {
 721                 $title = Title::makeTitle( NS_MAIN, 'Interwiki link', '', 'externalwiki' );
 722                 $this->assertTrue( $title->isAlwaysKnown() );
 723         }
 724
 725         /**
 726          * @covers Title::exists
 727          */
 728         public function testExists() {
 729                 $title = Title::makeTitle( NS_PROJECT, 'New page' );
 730                 $linkCache = MediaWikiServices::getInstance()->getLinkCache();
 731
 732                 $article = new Article( $title );
 733                 $page = $article->getPage();
 734                 $page->doEditContent( new WikitextContent( 'Some [[link]]' ), 'summary' );
 735
 736                 // Tell Title it doesn't know whether it exists
 737                 $title->mArticleID = -1;
 738
 739                 // Tell the link cache it doesn't exists when it really does
 740                 $linkCache->clearLink( $title );
 741                 $linkCache->addBadLinkObj( $title );
 742
 743                 $this->assertEquals(
 744                         false,
 745                         $title->exists(),
 746                         'exists() should rely on link cache unless GAID_FOR_UPDATE is used'
 747                 );
 748                 $this->assertEquals(
 749                         true,
 750                         $title->exists( Title::GAID_FOR_UPDATE ),
 751                         'exists() should re-query database when GAID_FOR_UPDATE is used'
 752                 );
 753         }
 754
 755         public function provideCanHaveTalkPage() {
 756                 return [
 757                         'User page has talk page' => [
 758                                 Title::makeTitle( NS_USER, 'Jane' ), true
 759                         ],
 760                         'Talke page has talk page' => [
 761                                 Title::makeTitle( NS_TALK, 'Foo' ), true
 762                         ],
 763                         'Special page cannot have talk page' => [
 764                                 Title::makeTitle( NS_SPECIAL, 'Thing' ), false
 765                         ],
 766                         'Virtual namespace cannot have talk page' => [
 767                                 Title::makeTitle( NS_MEDIA, 'Kitten.jpg' ), false
 768                         ],
 769                 ];
 770         }
 771
 772         /**
 773          * @dataProvider provideCanHaveTalkPage
 774          * @covers Title::canHaveTalkPage
 775          *
 776          * @param Title $title
 777          * @param bool $expected
 778          */
 779         public function testCanHaveTalkPage( Title $title, $expected ) {
 780                 $actual = $title->canHaveTalkPage();
 781                 $this->assertSame( $expected, $actual, $title->getPrefixedDBkey() );
 782         }
 783
 784         public static function provideGetTalkPage_good() {
 785                 return [
 786                         [ Title::makeTitle( NS_MAIN, 'Test' ), Title::makeTitle( NS_TALK, 'Test' ) ],
 787                         [ Title::makeTitle( NS_TALK, 'Test' ), Title::makeTitle( NS_TALK, 'Test' ) ],
 788                 ];
 789         }
 790
 791         /**
 792          * @dataProvider provideGetTalkPage_good
 793          * @covers Title::getTalkPageIfDefined
 794          */
 795         public function testGetTalkPageIfDefined_good( Title $title ) {
 796                 $talk = $title->getTalkPageIfDefined();
 797                 $this->assertInstanceOf(
 798                         Title::class,
 799                         $talk,
 800                         $title->getPrefixedDBKey()
 801                 );
 802         }
 803
 804         public static function provideGetTalkPage_bad() {
 805                 return [
 806                         [ Title::makeTitle( NS_SPECIAL, 'Test' ) ],
 807                         [ Title::makeTitle( NS_MEDIA, 'Test' ) ],
 808                 ];
 809         }
 810
 811         /**
 812          * @dataProvider provideGetTalkPage_bad
 813          * @covers Title::getTalkPageIfDefined
 814          */
 815         public function testGetTalkPageIfDefined_bad( Title $title ) {
 816                 $talk = $title->getTalkPageIfDefined();
 817                 $this->assertNull(
 818                         $talk,
 819                         $title->getPrefixedDBKey()
 820                 );
 821         }
 822
 823         public function provideCreateFragmentTitle() {
 824                 return [
 825                         [ Title::makeTitle( NS_MAIN, 'Test' ), 'foo' ],
 826                         [ Title::makeTitle( NS_TALK, 'Test', 'foo' ), '' ],
 827                         [ Title::makeTitle( NS_CATEGORY, 'Test', 'foo' ), 'bar' ],
 828                         [ Title::makeTitle( NS_MAIN, 'Test1', '', 'interwiki' ), 'baz' ]
 829                 ];
 830         }
 831
 832         /**
 833          * @covers Title::createFragmentTarget
 834          * @dataProvider provideCreateFragmentTitle
 835          */
 836         public function testCreateFragmentTitle( Title $title, $fragment ) {
 837                 $this->mergeMwGlobalArrayValue( 'wgHooks', [
 838                         'InterwikiLoadPrefix' => [
 839                                 function ( $prefix, &$iwdata ) {
 840                                         if ( $prefix === 'interwiki' ) {
 841                                                 $iwdata = [
 842                                                         'iw_url' => 'http://example.com/',
 843                                                         'iw_local' => 0,
 844                                                         'iw_trans' => 0,
 845                                                 ];
 846                                                 return false;
 847                                         }
 848                                 },
 849                         ],
 850                 ] );
 851
 852                 $fragmentTitle = $title->createFragmentTarget( $fragment );
 853
 854                 $this->assertEquals( $title->getNamespace(), $fragmentTitle->getNamespace() );
 855                 $this->assertEquals( $title->getText(), $fragmentTitle->getText() );
 856                 $this->assertEquals( $title->getInterwiki(), $fragmentTitle->getInterwiki() );
 857                 $this->assertEquals( $fragment, $fragmentTitle->getFragment() );
 858         }
 859
 860         public function provideGetPrefixedText() {
 861                 return [
 862                         // ns = 0
 863                         [
 864                                 Title::makeTitle( NS_MAIN, 'Foo bar' ),
 865                                 'Foo bar'
 866                         ],
 867                         // ns = 2
 868                         [
 869                                 Title::makeTitle( NS_USER, 'Foo bar' ),
 870                                 'User:Foo bar'
 871                         ],
 872                         // ns = 3
 873                         [
 874                                 Title::makeTitle( NS_USER_TALK, 'Foo bar' ),
 875                                 'User talk:Foo bar'
 876                         ],
 877                         // fragment not included
 878                         [
 879                                 Title::makeTitle( NS_MAIN, 'Foo bar', 'fragment' ),
 880                                 'Foo bar'
 881                         ],
 882                         // ns = -2
 883                         [
 884                                 Title::makeTitle( NS_MEDIA, 'Foo bar' ),
 885                                 'Media:Foo bar'
 886                         ],
 887                         // non-existent namespace
 888                         [
 889                                 Title::makeTitle( 100777, 'Foo bar' ),
 890                                 'Special:Badtitle/NS100777:Foo bar'
 891                         ],
 892                 ];
 893         }
 894
 895         /**
 896          * @covers Title::getPrefixedText
 897          * @dataProvider provideGetPrefixedText
 898          */
 899         public function testGetPrefixedText( Title $title, $expected ) {
 900                 $this->assertEquals( $expected, $title->getPrefixedText() );
 901         }
 902
 903         public function provideGetPrefixedDBKey() {
 904                 return [
 905                         // ns = 0
 906                         [
 907                                 Title::makeTitle( NS_MAIN, 'Foo_bar' ),
 908                                 'Foo_bar'
 909                         ],
 910                         // ns = 2
 911                         [
 912                                 Title::makeTitle( NS_USER, 'Foo_bar' ),
 913                                 'User:Foo_bar'
 914                         ],
 915                         // ns = 3
 916                         [
 917                                 Title::makeTitle( NS_USER_TALK, 'Foo_bar' ),
 918                                 'User_talk:Foo_bar'
 919                         ],
 920                         // fragment not included
 921                         [
 922                                 Title::makeTitle( NS_MAIN, 'Foo_bar', 'fragment' ),
 923                                 'Foo_bar'
 924                         ],
 925                         // ns = -2
 926                         [
 927                                 Title::makeTitle( NS_MEDIA, 'Foo_bar' ),
 928                                 'Media:Foo_bar'
 929                         ],
 930                         // non-existent namespace
 931                         [
 932                                 Title::makeTitle( 100777, 'Foo_bar' ),
 933                                 'Special:Badtitle/NS100777:Foo_bar'
 934                         ],
 935                 ];
 936         }
 937
 938         /**
 939          * @covers Title::getPrefixedDBKey
 940          * @dataProvider provideGetPrefixedDBKey
 941          */
 942         public function testGetPrefixedDBKey( Title $title, $expected ) {
 943                 $this->assertEquals( $expected, $title->getPrefixedDBkey() );
 944         }
 945
 946         /**
 947          * @covers Title::getFragmentForURL
 948          * @dataProvider provideGetFragmentForURL
 949          *
 950          * @param string $titleStr
 951          * @param string $expected
 952          */
 953         public function testGetFragmentForURL( $titleStr, $expected ) {
 954                 $this->setMwGlobals( [
 955                         'wgFragmentMode' => [ 'html5' ],
 956                         'wgExternalInterwikiFragmentMode' => 'legacy',
 957                 ] );
 958                 $dbw = wfGetDB( DB_MASTER );
 959                 $dbw->insert( 'interwiki',
 960                         [
 961                                 [
 962                                         'iw_prefix' => 'de',
 963                                         'iw_url' => 'http://de.wikipedia.org/wiki/',
 964                                         'iw_api' => 'http://de.wikipedia.org/w/api.php',
 965                                         'iw_wikiid' => 'dewiki',
 966                                         'iw_local' => 1,
 967                                         'iw_trans' => 0,
 968                                 ],
 969                                 [
 970                                         'iw_prefix' => 'zz',
 971                                         'iw_url' => 'http://zzwiki.org/wiki/',
 972                                         'iw_api' => 'http://zzwiki.org/w/api.php',
 973                                         'iw_wikiid' => 'zzwiki',
 974                                         'iw_local' => 0,
 975                                         'iw_trans' => 0,
 976                                 ],
 977                         ],
 978                         __METHOD__,
 979                         [ 'IGNORE' ]
 980                 );
 981
 982                 $title = Title::newFromText( $titleStr );
 983                 self::assertEquals( $expected, $title->getFragmentForURL() );
 984
 985                 $dbw->delete( 'interwiki', '*', __METHOD__ );
 986         }
 987
 988         public function provideGetFragmentForURL() {
 989                 return [
 990                         [ 'Foo', '' ],
 991                         [ 'Foo#ümlåût', '#ümlåût' ],
 992                         [ 'de:Foo#Bå®', '#Bå®' ],
 993                         [ 'zz:Foo#тест', '#.D1.82.D0.B5.D1.81.D1.82' ],
 994                 ];
 995         }
 996
 997         /**
 998          * @covers Title::isRawHtmlMessage
 999          * @dataProvider provideIsRawHtmlMessage
1000          */
1001         public function testIsRawHtmlMessage( $textForm, $expected ) {
1002                 $this->setMwGlobals( 'wgRawHtmlMessages', [
1003                         'foobar',
1004                         'foo_bar',
1005                         'foo-bar',
1006                 ] );
1007
1008                 $title = Title::newFromText( $textForm );
1009                 $this->assertSame( $expected, $title->isRawHtmlMessage() );
1010         }
1011
1012         public function provideIsRawHtmlMessage() {
1013                 return [
1014                         [ 'MediaWiki:Foobar', true ],
1015                         [ 'MediaWiki:Foo bar', true ],
1016                         [ 'MediaWiki:Foo-bar', true ],
1017                         [ 'MediaWiki:foo bar', true ],
1018                         [ 'MediaWiki:foo-bar', true ],
1019                         [ 'MediaWiki:foobar', true ],
1020                         [ 'MediaWiki:some-other-message', false ],
1021                         [ 'Main Page', false ],
1022                 ];
1023         }
1024
1025         public function provideEquals() {
1026                 yield [
1027                         Title::newFromText( 'Main Page' ),
1028                         Title::newFromText( 'Main Page' ),
1029                         true
1030                 ];
1031                 yield [
1032                         Title::newFromText( 'Main Page' ),
1033                         Title::newFromText( 'Not The Main Page' ),
1034                         false
1035                 ];
1036                 yield [
1037                         Title::newFromText( 'Main Page' ),
1038                         Title::newFromText( 'Project:Main Page' ),
1039                         false
1040                 ];
1041                 yield [
1042                         Title::newFromText( 'File:Example.png' ),
1043                         Title::newFromText( 'Image:Example.png' ),
1044                         true
1045                 ];
1046                 yield [
1047                         Title::newFromText( 'Special:Version' ),
1048                         Title::newFromText( 'Special:Version' ),
1049                         true
1050                 ];
1051                 yield [
1052                         Title::newFromText( 'Special:Version' ),
1053                         Title::newFromText( 'Special:Recentchanges' ),
1054                         false
1055                 ];
1056                 yield [
1057                         Title::newFromText( 'Special:Version' ),
1058                         Title::newFromText( 'Main Page' ),
1059                         false
1060                 ];
1061                 yield [
1062                         Title::makeTitle( NS_MAIN, 'Foo', '', '' ),
1063                         Title::makeTitle( NS_MAIN, 'Foo', '', '' ),
1064                         true
1065                 ];
1066                 yield [
1067                         Title::makeTitle( NS_MAIN, 'Foo', '', '' ),
1068                         Title::makeTitle( NS_MAIN, 'Bar', '', '' ),
1069                         false
1070                 ];
1071                 yield [
1072                         Title::makeTitle( NS_MAIN, 'Foo', '', '' ),
1073                         Title::makeTitle( NS_TALK, 'Foo', '', '' ),
1074                         false
1075                 ];
1076                 yield [
1077                         Title::makeTitle( NS_MAIN, 'Foo', 'Bar', '' ),
1078                         Title::makeTitle( NS_MAIN, 'Foo', 'Bar', '' ),
1079                         true
1080                 ];
1081                 yield [
1082                         Title::makeTitle( NS_MAIN, 'Foo', 'Bar', '' ),
1083                         Title::makeTitle( NS_MAIN, 'Foo', 'Baz', '' ),
1084                         true
1085                 ];
1086                 yield [
1087                         Title::makeTitle( NS_MAIN, 'Foo', 'Bar', '' ),
1088                         Title::makeTitle( NS_MAIN, 'Foo', '', '' ),
1089                         true
1090                 ];
1091                 yield [
1092                         Title::makeTitle( NS_MAIN, 'Foo', '', 'baz' ),
1093                         Title::makeTitle( NS_MAIN, 'Foo', '', 'baz' ),
1094                         true
1095                 ];
1096                 yield [
1097                         Title::makeTitle( NS_MAIN, 'Foo', '', '' ),
1098                         Title::makeTitle( NS_MAIN, 'Foo', '', 'baz' ),
1099                         false
1100                 ];
1101         }
1102
1103         /**
1104          * @covers Title::equals
1105          * @dataProvider provideEquals
1106          */
1107         public function testEquals( Title $firstValue, /* LinkTarget */ $secondValue, $expectedSame ) {
1108                 $this->assertSame(
1109                         $expectedSame,
1110                         $firstValue->equals( $secondValue )
1111                 );
1112         }
1113
1114         /**
1115          * @covers Title::newMainPage
1116          */
1117         public function testNewMainPage() {
1118                 $msgCache = TestingAccessWrapper::newFromClass( MessageCache::class );
1119                 $msgCache->instance = $this->createMock( MessageCache::class );
1120                 $msgCache->instance->method( 'get' )->willReturn( 'Foresheet' );
1121                 $msgCache->instance->method( 'transform' )->willReturn( 'Foresheet' );
1122
1123                 $this->assertSame(
1124                         'Foresheet',
1125                         Title::newMainPage()->getText()
1126                 );
1127         }
1128
1129         /**
1130          * @covers Title::newMainPage
1131          */
1132         public function testNewMainPageWithLocal() {
1133                 $local = $this->createMock( MessageLocalizer::class );
1134                 $local->method( 'msg' )->willReturn( new RawMessage( 'Prime Article' ) );
1135
1136                 $this->assertSame(
1137                         'Prime Article',
1138                         Title::newMainPage( $local )->getText()
1139                 );
1140         }
1141 }