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->setMwGlobals( 'wgContentHandlerUseDB', false );
 299                 $title = Title::newFromText( $source );
 300                 $nt = Title::newFromText( $target );
 301                 $errors = $title->isValidMoveOperation( $nt, false );
 302                 if ( $expected === true ) {
 303                         $this->assertTrue( $errors );
 304                 } else {
 305                         $errors = $this->flattenErrorsArray( $errors );
 306                         foreach ( (array)$expected as $error ) {
 307                                 $this->assertContains( $error, $errors );
 308                         }
 309                 }
 310         }
 311
 312         public static function provideTestIsValidMoveOperation() {
 313                 return [
 314                         // for Title::isValidMoveOperation
 315                         [ 'Some page', '', 'badtitletext' ],
 316                         [ 'Test', 'Test', 'selfmove' ],
 317                         [ 'Special:FooBar', 'Test', 'immobile-source-namespace' ],
 318                         [ 'Test', 'Special:FooBar', 'immobile-target-namespace' ],
 319                         [ 'MediaWiki:Common.js', 'Help:Some wikitext page', 'bad-target-model' ],
 320                         [ 'Page', 'File:Test.jpg', 'nonfile-cannot-move-to-file' ],
 321                         [ 'File:Test.jpg', 'Page', 'imagenocrossnamespace' ],
 322                 ];
 323         }
 324
 325         /**
 326          * Auth-less test of Title::userCan
 327          *
 328          * @param array $whitelistRegexp
 329          * @param string $source
 330          * @param string $action
 331          * @param array|string|bool $expected Required error
 332          *
 333          * @covers \Mediawiki\Permissions\PermissionManager::checkReadPermissions
 334          * @dataProvider dataWgWhitelistReadRegexp
 335          */
 336         public function testWgWhitelistReadRegexp( $whitelistRegexp, $source, $action, $expected ) {
 337                 // $wgWhitelistReadRegexp must be an array. Since the provided test cases
 338                 // usually have only one regex, it is more concise to write the lonely regex
 339                 // as a string. Thus we cast to an array() to honor $wgWhitelistReadRegexp
 340                 // type requisite.
 341                 if ( is_string( $whitelistRegexp ) ) {
 342                         $whitelistRegexp = [ $whitelistRegexp ];
 343                 }
 344
 345                 $this->setMwGlobals( [
 346                         // So User::isEveryoneAllowed( 'read' ) === false
 347                         'wgGroupPermissions' => [ '*' => [ 'read' => false ] ],
 348                         'wgWhitelistRead' => [ 'some random non sense title' ],
 349                         'wgWhitelistReadRegexp' => $whitelistRegexp,
 350                 ] );
 351
 352                 $title = Title::newFromDBkey( $source );
 353
 354                 // New anonymous user with no rights
 355                 $user = new User;
 356                 $user->mRights = [];
 357                 $errors = $title->userCan( $action, $user );
 358
 359                 if ( is_bool( $expected ) ) {
 360                         # Forge the assertion message depending on the assertion expectation
 361                         $allowableness = $expected
 362                                 ? " should be allowed"
 363                                 : " should NOT be allowed";
 364                         $this->assertEquals(
 365                                 $expected,
 366                                 $errors,
 367                                 "User action '$action' on [[$source]] $allowableness."
 368                         );
 369                 } else {
 370                         $errors = $this->flattenErrorsArray( $errors );
 371                         foreach ( (array)$expected as $error ) {
 372                                 $this->assertContains( $error, $errors );
 373                         }
 374                 }
 375         }
 376
 377         /**
 378          * Provides test parameter values for testWgWhitelistReadRegexp()
 379          */
 380         public function dataWgWhitelistReadRegexp() {
 381                 $ALLOWED = true;
 382                 $DISALLOWED = false;
 383
 384                 return [
 385                         // Everything, if this doesn't work, we're really in trouble
 386                         [ '/.*/', 'Main_Page', 'read', $ALLOWED ],
 387                         [ '/.*/', 'Main_Page', 'edit', $DISALLOWED ],
 388
 389                         // We validate against the title name, not the db key
 390                         [ '/^Main_Page$/', 'Main_Page', 'read', $DISALLOWED ],
 391                         // Main page
 392                         [ '/^Main/', 'Main_Page', 'read', $ALLOWED ],
 393                         [ '/^Main.*/', 'Main_Page', 'read', $ALLOWED ],
 394                         // With spaces
 395                         [ '/Mic\sCheck/', 'Mic Check', 'read', $ALLOWED ],
 396                         // Unicode multibyte
 397                         // ...without unicode modifier
 398                         [ '/Unicode Test . Yes/', 'Unicode Test Ñ Yes', 'read', $DISALLOWED ],
 399                         // ...with unicode modifier
 400                         [ '/Unicode Test . Yes/u', 'Unicode Test Ñ Yes', 'read', $ALLOWED ],
 401                         // Case insensitive
 402                         [ '/MiC ChEcK/', 'mic check', 'read', $DISALLOWED ],
 403                         [ '/MiC ChEcK/i', 'mic check', 'read', $ALLOWED ],
 404
 405                         // From DefaultSettings.php:
 406                         [ "@^UsEr.*@i", 'User is banned', 'read', $ALLOWED ],
 407                         [ "@^UsEr.*@i", 'User:John Doe', 'read', $ALLOWED ],
 408
 409                         // With namespaces:
 410                         [ '/^Special:NewPages$/', 'Special:NewPages', 'read', $ALLOWED ],
 411                         [ null, 'Special:Newpages', 'read', $DISALLOWED ],
 412
 413                 ];
 414         }
 415
 416         public function flattenErrorsArray( $errors ) {
 417                 $result = [];
 418                 foreach ( $errors as $error ) {
 419                         $result[] = $error[0];
 420                 }
 421
 422                 return $result;
 423         }
 424
 425         /**
 426          * @dataProvider provideGetPageViewLanguage
 427          * @covers Title::getPageViewLanguage
 428          */
 429         public function testGetPageViewLanguage( $expected, $titleText, $contLang,
 430                 $lang, $variant, $msg = ''
 431         ) {
 432                 // Setup environnement for this test
 433                 $this->setMwGlobals( [
 434                         'wgDefaultLanguageVariant' => $variant,
 435                         'wgAllowUserJs' => true,
 436                 ] );
 437                 $this->setUserLang( $lang );
 438                 $this->setContentLang( $contLang );
 439
 440                 $title = Title::newFromText( $titleText );
 441                 $this->assertInstanceOf( Title::class, $title,
 442                         "Test must be passed a valid title text, you gave '$titleText'"
 443                 );
 444                 $this->assertEquals( $expected,
 445                         $title->getPageViewLanguage()->getCode(),
 446                         $msg
 447                 );
 448         }
 449
 450         public static function provideGetPageViewLanguage() {
 451                 # Format:
 452                 # - expected
 453                 # - Title name
 454                 # - content language (expected in most cases)
 455                 # - wgLang (on some specific pages)
 456                 # - wgDefaultLanguageVariant
 457                 # - Optional message
 458                 return [
 459                         [ 'fr', 'Help:I_need_somebody', 'fr', 'fr', false ],
 460                         [ 'es', 'Help:I_need_somebody', 'es', 'zh-tw', false ],
 461                         [ 'zh', 'Help:I_need_somebody', 'zh', 'zh-tw', false ],
 462
 463                         [ 'es', 'Help:I_need_somebody', 'es', 'zh-tw', 'zh-cn' ],
 464                         [ 'es', 'MediaWiki:About', 'es', 'zh-tw', 'zh-cn' ],
 465                         [ 'es', 'MediaWiki:About/', 'es', 'zh-tw', 'zh-cn' ],
 466                         [ 'de', 'MediaWiki:About/de', 'es', 'zh-tw', 'zh-cn' ],
 467                         [ 'en', 'MediaWiki:Common.js', 'es', 'zh-tw', 'zh-cn' ],
 468                         [ 'en', 'MediaWiki:Common.css', 'es', 'zh-tw', 'zh-cn' ],
 469                         [ 'en', 'User:JohnDoe/Common.js', 'es', 'zh-tw', 'zh-cn' ],
 470                         [ 'en', 'User:JohnDoe/Monobook.css', 'es', 'zh-tw', 'zh-cn' ],
 471
 472                         [ 'zh-cn', 'Help:I_need_somebody', 'zh', 'zh-tw', 'zh-cn' ],
 473                         [ 'zh', 'MediaWiki:About', 'zh', 'zh-tw', 'zh-cn' ],
 474                         [ 'zh', 'MediaWiki:About/', 'zh', 'zh-tw', 'zh-cn' ],
 475                         [ 'de', 'MediaWiki:About/de', 'zh', 'zh-tw', 'zh-cn' ],
 476                         [ 'zh-cn', 'MediaWiki:About/zh-cn', 'zh', 'zh-tw', 'zh-cn' ],
 477                         [ 'zh-tw', 'MediaWiki:About/zh-tw', 'zh', 'zh-tw', 'zh-cn' ],
 478                         [ 'en', 'MediaWiki:Common.js', 'zh', 'zh-tw', 'zh-cn' ],
 479                         [ 'en', 'MediaWiki:Common.css', 'zh', 'zh-tw', 'zh-cn' ],
 480                         [ 'en', 'User:JohnDoe/Common.js', 'zh', 'zh-tw', 'zh-cn' ],
 481                         [ 'en', 'User:JohnDoe/Monobook.css', 'zh', 'zh-tw', 'zh-cn' ],
 482
 483                         [ 'zh-tw', 'Special:NewPages', 'es', 'zh-tw', 'zh-cn' ],
 484                         [ 'zh-tw', 'Special:NewPages', 'zh', 'zh-tw', 'zh-cn' ],
 485
 486                 ];
 487         }
 488
 489         /**
 490          * @dataProvider provideBaseTitleCases
 491          * @covers Title::getBaseText
 492          */
 493         public function testGetBaseText( $title, $expected, $msg = '' ) {
 494                 $title = Title::newFromText( $title );
 495                 $this->assertEquals( $expected,
 496                         $title->getBaseText(),
 497                         $msg
 498                 );
 499         }
 500
 501         public static function provideBaseTitleCases() {
 502                 return [
 503                         # Title, expected base, optional message
 504                         [ 'User:John_Doe/subOne/subTwo', 'John Doe/subOne' ],
 505                         [ 'User:Foo/Bar/Baz', 'Foo/Bar' ],
 506                 ];
 507         }
 508
 509         /**
 510          * @dataProvider provideRootTitleCases
 511          * @covers Title::getRootText
 512          */
 513         public function testGetRootText( $title, $expected, $msg = '' ) {
 514                 $title = Title::newFromText( $title );
 515                 $this->assertEquals( $expected,
 516                         $title->getRootText(),
 517                         $msg
 518                 );
 519         }
 520
 521         public static function provideRootTitleCases() {
 522                 return [
 523                         # Title, expected base, optional message
 524                         [ 'User:John_Doe/subOne/subTwo', 'John Doe' ],
 525                         [ 'User:Foo/Bar/Baz', 'Foo' ],
 526                 ];
 527         }
 528
 529         /**
 530          * @todo Handle $wgNamespacesWithSubpages cases
 531          * @dataProvider provideSubpageTitleCases
 532          * @covers Title::getSubpageText
 533          */
 534         public function testGetSubpageText( $title, $expected, $msg = '' ) {
 535                 $title = Title::newFromText( $title );
 536                 $this->assertEquals( $expected,
 537                         $title->getSubpageText(),
 538                         $msg
 539                 );
 540         }
 541
 542         public static function provideSubpageTitleCases() {
 543                 return [
 544                         # Title, expected base, optional message
 545                         [ 'User:John_Doe/subOne/subTwo', 'subTwo' ],
 546                         [ 'User:John_Doe/subOne', 'subOne' ],
 547                 ];
 548         }
 549
 550         public static function provideNewFromTitleValue() {
 551                 return [
 552                         [ new TitleValue( NS_MAIN, 'Foo' ) ],
 553                         [ new TitleValue( NS_MAIN, 'Foo', 'bar' ) ],
 554                         [ new TitleValue( NS_USER, 'Hansi_Maier' ) ],
 555                 ];
 556         }
 557
 558         /**
 559          * @covers Title::newFromTitleValue
 560          * @dataProvider provideNewFromTitleValue
 561          */
 562         public function testNewFromTitleValue( TitleValue $value ) {
 563                 $title = Title::newFromTitleValue( $value );
 564
 565                 $dbkey = str_replace( ' ', '_', $value->getText() );
 566                 $this->assertEquals( $dbkey, $title->getDBkey() );
 567                 $this->assertEquals( $value->getNamespace(), $title->getNamespace() );
 568                 $this->assertEquals( $value->getFragment(), $title->getFragment() );
 569         }
 570
 571         /**
 572          * @covers Title::newFromLinkTarget
 573          * @dataProvider provideNewFromTitleValue
 574          */
 575         public function testNewFromLinkTarget( LinkTarget $value ) {
 576                 $title = Title::newFromLinkTarget( $value );
 577
 578                 $dbkey = str_replace( ' ', '_', $value->getText() );
 579                 $this->assertEquals( $dbkey, $title->getDBkey() );
 580                 $this->assertEquals( $value->getNamespace(), $title->getNamespace() );
 581                 $this->assertEquals( $value->getFragment(), $title->getFragment() );
 582         }
 583
 584         /**
 585          * @covers Title::newFromLinkTarget
 586          */
 587         public function testNewFromLinkTarget_clone() {
 588                 $title = Title::newFromText( __METHOD__ );
 589                 $this->assertSame( $title, Title::newFromLinkTarget( $title ) );
 590
 591                 // The Title::NEW_CLONE flag should ensure that a fresh instance is returned.
 592                 $clone = Title::newFromLinkTarget( $title, Title::NEW_CLONE );
 593                 $this->assertNotSame( $title, $clone );
 594                 $this->assertTrue( $clone->equals( $title ) );
 595         }
 596
 597         public function provideCastFromLinkTarget() {
 598                 return array_merge( [ [ null ] ], self::provideNewFromTitleValue() );
 599         }
 600
 601         /**
 602          * @covers Title::castFromLinkTarget
 603          * @dataProvider provideCastFromLinkTarget
 604          */
 605         public function testCastFromLinkTarget( $value ) {
 606                 $title = Title::castFromLinkTarget( $value );
 607
 608                 if ( $value === null ) {
 609                         $this->assertNull( $title );
 610                 } else {
 611                         $dbkey = str_replace( ' ', '_', $value->getText() );
 612                         $this->assertSame( $dbkey, $title->getDBkey() );
 613                         $this->assertSame( $value->getNamespace(), $title->getNamespace() );
 614                         $this->assertSame( $value->getFragment(), $title->getFragment() );
 615                 }
 616         }
 617
 618         public static function provideGetTitleValue() {
 619                 return [
 620                         [ 'Foo' ],
 621                         [ 'Foo#bar' ],
 622                         [ 'User:Hansi_Maier' ],
 623                 ];
 624         }
 625
 626         /**
 627          * @covers Title::getTitleValue
 628          * @dataProvider provideGetTitleValue
 629          */
 630         public function testGetTitleValue( $text ) {
 631                 $title = Title::newFromText( $text );
 632                 $value = $title->getTitleValue();
 633
 634                 $dbkey = str_replace( ' ', '_', $value->getText() );
 635                 $this->assertEquals( $title->getDBkey(), $dbkey );
 636                 $this->assertEquals( $title->getNamespace(), $value->getNamespace() );
 637                 $this->assertEquals( $title->getFragment(), $value->getFragment() );
 638         }
 639
 640         public static function provideGetFragment() {
 641                 return [
 642                         [ 'Foo', '' ],
 643                         [ 'Foo#bar', 'bar' ],
 644                         [ 'Foo#bär', 'bär' ],
 645
 646                         // Inner whitespace is normalized
 647                         [ 'Foo#bar_bar', 'bar bar' ],
 648                         [ 'Foo#bar bar', 'bar bar' ],
 649                         [ 'Foo#bar   bar', 'bar bar' ],
 650
 651                         // Leading whitespace is kept, trailing whitespace is trimmed.
 652                         // XXX: Is this really want we want?
 653                         [ 'Foo#_bar_bar_', ' bar bar' ],
 654                         [ 'Foo# bar bar ', ' bar bar' ],
 655                 ];
 656         }
 657
 658         /**
 659          * @covers Title::getFragment
 660          * @dataProvider provideGetFragment
 661          *
 662          * @param string $full
 663          * @param string $fragment
 664          */
 665         public function testGetFragment( $full, $fragment ) {
 666                 $title = Title::newFromText( $full );
 667                 $this->assertEquals( $fragment, $title->getFragment() );
 668         }
 669
 670         /**
 671          * @covers Title::isAlwaysKnown
 672          * @dataProvider provideIsAlwaysKnown
 673          * @param string $page
 674          * @param bool $isKnown
 675          */
 676         public function testIsAlwaysKnown( $page, $isKnown ) {
 677                 $title = Title::newFromText( $page );
 678                 $this->assertEquals( $isKnown, $title->isAlwaysKnown() );
 679         }
 680
 681         public static function provideIsAlwaysKnown() {
 682                 return [
 683                         [ 'Some nonexistent page', false ],
 684                         [ 'UTPage', false ],
 685                         [ '#test', true ],
 686                         [ 'Special:BlankPage', true ],
 687                         [ 'Special:SomeNonexistentSpecialPage', false ],
 688                         [ 'MediaWiki:Parentheses', true ],
 689                         [ 'MediaWiki:Some nonexistent message', false ],
 690                 ];
 691         }
 692
 693         /**
 694          * @covers Title::isValid
 695          * @dataProvider provideIsValid
 696          * @param Title $title
 697          * @param bool $isValid
 698          */
 699         public function testIsValid( Title $title, $isValid ) {
 700                 $this->assertEquals( $isValid, $title->isValid(), $title->getPrefixedText() );
 701         }
 702
 703         public static function provideIsValid() {
 704                 return [
 705                         [ Title::makeTitle( NS_MAIN, '' ), false ],
 706                         [ Title::makeTitle( NS_MAIN, '<>' ), false ],
 707                         [ Title::makeTitle( NS_MAIN, '|' ), false ],
 708                         [ Title::makeTitle( NS_MAIN, '#' ), false ],
 709                         [ Title::makeTitle( NS_MAIN, 'Test' ), true ],
 710                         [ Title::makeTitle( -33, 'Test' ), false ],
 711                         [ Title::makeTitle( 77663399, 'Test' ), false ],
 712                 ];
 713         }
 714
 715         /**
 716          * @covers Title::isAlwaysKnown
 717          */
 718         public function testIsAlwaysKnownOnInterwiki() {
 719                 $title = Title::makeTitle( NS_MAIN, 'Interwiki link', '', 'externalwiki' );
 720                 $this->assertTrue( $title->isAlwaysKnown() );
 721         }
 722
 723         /**
 724          * @covers Title::exists
 725          */
 726         public function testExists() {
 727                 $title = Title::makeTitle( NS_PROJECT, 'New page' );
 728                 $linkCache = MediaWikiServices::getInstance()->getLinkCache();
 729
 730                 $article = new Article( $title );
 731                 $page = $article->getPage();
 732                 $page->doEditContent( new WikitextContent( 'Some [[link]]' ), 'summary' );
 733
 734                 // Tell Title it doesn't know whether it exists
 735                 $title->mArticleID = -1;
 736
 737                 // Tell the link cache it doesn't exists when it really does
 738                 $linkCache->clearLink( $title );
 739                 $linkCache->addBadLinkObj( $title );
 740
 741                 $this->assertEquals(
 742                         false,
 743                         $title->exists(),
 744                         'exists() should rely on link cache unless GAID_FOR_UPDATE is used'
 745                 );
 746                 $this->assertEquals(
 747                         true,
 748                         $title->exists( Title::GAID_FOR_UPDATE ),
 749                         'exists() should re-query database when GAID_FOR_UPDATE is used'
 750                 );
 751         }
 752
 753         public function provideCanHaveTalkPage() {
 754                 return [
 755                         'User page has talk page' => [
 756                                 Title::makeTitle( NS_USER, 'Jane' ), true
 757                         ],
 758                         'Talke page has talk page' => [
 759                                 Title::makeTitle( NS_TALK, 'Foo' ), true
 760                         ],
 761                         'Special page cannot have talk page' => [
 762                                 Title::makeTitle( NS_SPECIAL, 'Thing' ), false
 763                         ],
 764                         'Virtual namespace cannot have talk page' => [
 765                                 Title::makeTitle( NS_MEDIA, 'Kitten.jpg' ), false
 766                         ],
 767                 ];
 768         }
 769
 770         /**
 771          * @dataProvider provideCanHaveTalkPage
 772          * @covers Title::canHaveTalkPage
 773          *
 774          * @param Title $title
 775          * @param bool $expected
 776          */
 777         public function testCanHaveTalkPage( Title $title, $expected ) {
 778                 $actual = $title->canHaveTalkPage();
 779                 $this->assertSame( $expected, $actual, $title->getPrefixedDBkey() );
 780         }
 781
 782         public static function provideGetTalkPage_good() {
 783                 return [
 784                         [ Title::makeTitle( NS_MAIN, 'Test' ), Title::makeTitle( NS_TALK, 'Test' ) ],
 785                         [ Title::makeTitle( NS_TALK, 'Test' ), Title::makeTitle( NS_TALK, 'Test' ) ],
 786                 ];
 787         }
 788
 789         /**
 790          * @dataProvider provideGetTalkPage_good
 791          * @covers Title::getTalkPageIfDefined
 792          */
 793         public function testGetTalkPageIfDefined_good( Title $title ) {
 794                 $talk = $title->getTalkPageIfDefined();
 795                 $this->assertInstanceOf(
 796                         Title::class,
 797                         $talk,
 798                         $title->getPrefixedDBKey()
 799                 );
 800         }
 801
 802         public static function provideGetTalkPage_bad() {
 803                 return [
 804                         [ Title::makeTitle( NS_SPECIAL, 'Test' ) ],
 805                         [ Title::makeTitle( NS_MEDIA, 'Test' ) ],
 806                 ];
 807         }
 808
 809         /**
 810          * @dataProvider provideGetTalkPage_bad
 811          * @covers Title::getTalkPageIfDefined
 812          */
 813         public function testGetTalkPageIfDefined_bad( Title $title ) {
 814                 $talk = $title->getTalkPageIfDefined();
 815                 $this->assertNull(
 816                         $talk,
 817                         $title->getPrefixedDBKey()
 818                 );
 819         }
 820
 821         public function provideCreateFragmentTitle() {
 822                 return [
 823                         [ Title::makeTitle( NS_MAIN, 'Test' ), 'foo' ],
 824                         [ Title::makeTitle( NS_TALK, 'Test', 'foo' ), '' ],
 825                         [ Title::makeTitle( NS_CATEGORY, 'Test', 'foo' ), 'bar' ],
 826                         [ Title::makeTitle( NS_MAIN, 'Test1', '', 'interwiki' ), 'baz' ]
 827                 ];
 828         }
 829
 830         /**
 831          * @covers Title::createFragmentTarget
 832          * @dataProvider provideCreateFragmentTitle
 833          */
 834         public function testCreateFragmentTitle( Title $title, $fragment ) {
 835                 $this->mergeMwGlobalArrayValue( 'wgHooks', [
 836                         'InterwikiLoadPrefix' => [
 837                                 function ( $prefix, &$iwdata ) {
 838                                         if ( $prefix === 'interwiki' ) {
 839                                                 $iwdata = [
 840                                                         'iw_url' => 'http://example.com/',
 841                                                         'iw_local' => 0,
 842                                                         'iw_trans' => 0,
 843                                                 ];
 844                                                 return false;
 845                                         }
 846                                 },
 847                         ],
 848                 ] );
 849
 850                 $fragmentTitle = $title->createFragmentTarget( $fragment );
 851
 852                 $this->assertEquals( $title->getNamespace(), $fragmentTitle->getNamespace() );
 853                 $this->assertEquals( $title->getText(), $fragmentTitle->getText() );
 854                 $this->assertEquals( $title->getInterwiki(), $fragmentTitle->getInterwiki() );
 855                 $this->assertEquals( $fragment, $fragmentTitle->getFragment() );
 856         }
 857
 858         public function provideGetPrefixedText() {
 859                 return [
 860                         // ns = 0
 861                         [
 862                                 Title::makeTitle( NS_MAIN, 'Foo bar' ),
 863                                 'Foo bar'
 864                         ],
 865                         // ns = 2
 866                         [
 867                                 Title::makeTitle( NS_USER, 'Foo bar' ),
 868                                 'User:Foo bar'
 869                         ],
 870                         // ns = 3
 871                         [
 872                                 Title::makeTitle( NS_USER_TALK, 'Foo bar' ),
 873                                 'User talk:Foo bar'
 874                         ],
 875                         // fragment not included
 876                         [
 877                                 Title::makeTitle( NS_MAIN, 'Foo bar', 'fragment' ),
 878                                 'Foo bar'
 879                         ],
 880                         // ns = -2
 881                         [
 882                                 Title::makeTitle( NS_MEDIA, 'Foo bar' ),
 883                                 'Media:Foo bar'
 884                         ],
 885                         // non-existent namespace
 886                         [
 887                                 Title::makeTitle( 100777, 'Foo bar' ),
 888                                 'Special:Badtitle/NS100777:Foo bar'
 889                         ],
 890                 ];
 891         }
 892
 893         /**
 894          * @covers Title::getPrefixedText
 895          * @dataProvider provideGetPrefixedText
 896          */
 897         public function testGetPrefixedText( Title $title, $expected ) {
 898                 $this->assertEquals( $expected, $title->getPrefixedText() );
 899         }
 900
 901         public function provideGetPrefixedDBKey() {
 902                 return [
 903                         // ns = 0
 904                         [
 905                                 Title::makeTitle( NS_MAIN, 'Foo_bar' ),
 906                                 'Foo_bar'
 907                         ],
 908                         // ns = 2
 909                         [
 910                                 Title::makeTitle( NS_USER, 'Foo_bar' ),
 911                                 'User:Foo_bar'
 912                         ],
 913                         // ns = 3
 914                         [
 915                                 Title::makeTitle( NS_USER_TALK, 'Foo_bar' ),
 916                                 'User_talk:Foo_bar'
 917                         ],
 918                         // fragment not included
 919                         [
 920                                 Title::makeTitle( NS_MAIN, 'Foo_bar', 'fragment' ),
 921                                 'Foo_bar'
 922                         ],
 923                         // ns = -2
 924                         [
 925                                 Title::makeTitle( NS_MEDIA, 'Foo_bar' ),
 926                                 'Media:Foo_bar'
 927                         ],
 928                         // non-existent namespace
 929                         [
 930                                 Title::makeTitle( 100777, 'Foo_bar' ),
 931                                 'Special:Badtitle/NS100777:Foo_bar'
 932                         ],
 933                 ];
 934         }
 935
 936         /**
 937          * @covers Title::getPrefixedDBKey
 938          * @dataProvider provideGetPrefixedDBKey
 939          */
 940         public function testGetPrefixedDBKey( Title $title, $expected ) {
 941                 $this->assertEquals( $expected, $title->getPrefixedDBkey() );
 942         }
 943
 944         /**
 945          * @covers Title::getFragmentForURL
 946          * @dataProvider provideGetFragmentForURL
 947          *
 948          * @param string $titleStr
 949          * @param string $expected
 950          */
 951         public function testGetFragmentForURL( $titleStr, $expected ) {
 952                 $this->setMwGlobals( [
 953                         'wgFragmentMode' => [ 'html5' ],
 954                         'wgExternalInterwikiFragmentMode' => 'legacy',
 955                 ] );
 956                 $dbw = wfGetDB( DB_MASTER );
 957                 $dbw->insert( 'interwiki',
 958                         [
 959                                 [
 960                                         'iw_prefix' => 'de',
 961                                         'iw_url' => 'http://de.wikipedia.org/wiki/',
 962                                         'iw_api' => 'http://de.wikipedia.org/w/api.php',
 963                                         'iw_wikiid' => 'dewiki',
 964                                         'iw_local' => 1,
 965                                         'iw_trans' => 0,
 966                                 ],
 967                                 [
 968                                         'iw_prefix' => 'zz',
 969                                         'iw_url' => 'http://zzwiki.org/wiki/',
 970                                         'iw_api' => 'http://zzwiki.org/w/api.php',
 971                                         'iw_wikiid' => 'zzwiki',
 972                                         'iw_local' => 0,
 973                                         'iw_trans' => 0,
 974                                 ],
 975                         ],
 976                         __METHOD__,
 977                         [ 'IGNORE' ]
 978                 );
 979
 980                 $title = Title::newFromText( $titleStr );
 981                 self::assertEquals( $expected, $title->getFragmentForURL() );
 982
 983                 $dbw->delete( 'interwiki', '*', __METHOD__ );
 984         }
 985
 986         public function provideGetFragmentForURL() {
 987                 return [
 988                         [ 'Foo', '' ],
 989                         [ 'Foo#ümlåût', '#ümlåût' ],
 990                         [ 'de:Foo#Bå®', '#Bå®' ],
 991                         [ 'zz:Foo#тест', '#.D1.82.D0.B5.D1.81.D1.82' ],
 992                 ];
 993         }
 994
 995         /**
 996          * @covers Title::isRawHtmlMessage
 997          * @dataProvider provideIsRawHtmlMessage
 998          */
 999         public function testIsRawHtmlMessage( $textForm, $expected ) {
1000                 $this->setMwGlobals( 'wgRawHtmlMessages', [
1001                         'foobar',
1002                         'foo_bar',
1003                         'foo-bar',
1004                 ] );
1005
1006                 $title = Title::newFromText( $textForm );
1007                 $this->assertSame( $expected, $title->isRawHtmlMessage() );
1008         }
1009
1010         public function provideIsRawHtmlMessage() {
1011                 return [
1012                         [ 'MediaWiki:Foobar', true ],
1013                         [ 'MediaWiki:Foo bar', true ],
1014                         [ 'MediaWiki:Foo-bar', true ],
1015                         [ 'MediaWiki:foo bar', true ],
1016                         [ 'MediaWiki:foo-bar', true ],
1017                         [ 'MediaWiki:foobar', true ],
1018                         [ 'MediaWiki:some-other-message', false ],
1019                         [ 'Main Page', false ],
1020                 ];
1021         }
1022
1023         public function provideEquals() {
1024                 yield [
1025                         Title::newFromText( 'Main Page' ),
1026                         Title::newFromText( 'Main Page' ),
1027                         true
1028                 ];
1029                 yield [
1030                         Title::newFromText( 'Main Page' ),
1031                         Title::newFromText( 'Not The Main Page' ),
1032                         false
1033                 ];
1034                 yield [
1035                         Title::newFromText( 'Main Page' ),
1036                         Title::newFromText( 'Project:Main Page' ),
1037                         false
1038                 ];
1039                 yield [
1040                         Title::newFromText( 'File:Example.png' ),
1041                         Title::newFromText( 'Image:Example.png' ),
1042                         true
1043                 ];
1044                 yield [
1045                         Title::newFromText( 'Special:Version' ),
1046                         Title::newFromText( 'Special:Version' ),
1047                         true
1048                 ];
1049                 yield [
1050                         Title::newFromText( 'Special:Version' ),
1051                         Title::newFromText( 'Special:Recentchanges' ),
1052                         false
1053                 ];
1054                 yield [
1055                         Title::newFromText( 'Special:Version' ),
1056                         Title::newFromText( 'Main Page' ),
1057                         false
1058                 ];
1059                 yield [
1060                         Title::makeTitle( NS_MAIN, 'Foo', '', '' ),
1061                         Title::makeTitle( NS_MAIN, 'Foo', '', '' ),
1062                         true
1063                 ];
1064                 yield [
1065                         Title::makeTitle( NS_MAIN, 'Foo', '', '' ),
1066                         Title::makeTitle( NS_MAIN, 'Bar', '', '' ),
1067                         false
1068                 ];
1069                 yield [
1070                         Title::makeTitle( NS_MAIN, 'Foo', '', '' ),
1071                         Title::makeTitle( NS_TALK, 'Foo', '', '' ),
1072                         false
1073                 ];
1074                 yield [
1075                         Title::makeTitle( NS_MAIN, 'Foo', 'Bar', '' ),
1076                         Title::makeTitle( NS_MAIN, 'Foo', 'Bar', '' ),
1077                         true
1078                 ];
1079                 yield [
1080                         Title::makeTitle( NS_MAIN, 'Foo', 'Bar', '' ),
1081                         Title::makeTitle( NS_MAIN, 'Foo', 'Baz', '' ),
1082                         true
1083                 ];
1084                 yield [
1085                         Title::makeTitle( NS_MAIN, 'Foo', 'Bar', '' ),
1086                         Title::makeTitle( NS_MAIN, 'Foo', '', '' ),
1087                         true
1088                 ];
1089                 yield [
1090                         Title::makeTitle( NS_MAIN, 'Foo', '', 'baz' ),
1091                         Title::makeTitle( NS_MAIN, 'Foo', '', 'baz' ),
1092                         true
1093                 ];
1094                 yield [
1095                         Title::makeTitle( NS_MAIN, 'Foo', '', '' ),
1096                         Title::makeTitle( NS_MAIN, 'Foo', '', 'baz' ),
1097                         false
1098                 ];
1099         }
1100
1101         /**
1102          * @covers Title::equals
1103          * @dataProvider provideEquals
1104          */
1105         public function testEquals( Title $firstValue, /* LinkTarget */ $secondValue, $expectedSame ) {
1106                 $this->assertSame(
1107                         $expectedSame,
1108                         $firstValue->equals( $secondValue )
1109                 );
1110         }
1111
1112         /**
1113          * @covers Title::newMainPage
1114          */
1115         public function testNewMainPage() {
1116                 $msgCache = TestingAccessWrapper::newFromClass( MessageCache::class );
1117                 $msgCache->instance = $this->createMock( MessageCache::class );
1118                 $msgCache->instance->method( 'get' )->willReturn( 'Foresheet' );
1119                 $msgCache->instance->method( 'transform' )->willReturn( 'Foresheet' );
1120
1121                 $this->assertSame(
1122                         'Foresheet',
1123                         Title::newMainPage()->getText()
1124                 );
1125         }
1126
1127         /**
1128          * @covers Title::newMainPage
1129          */
1130         public function testNewMainPageWithLocal() {
1131                 $local = $this->createMock( MessageLocalizer::class );
1132                 $local->method( 'msg' )->willReturn( new RawMessage( 'Prime Article' ) );
1133
1134                 $this->assertSame(
1135                         'Prime Article',
1136                         Title::newMainPage( $local )->getText()
1137                 );
1138         }
1139 }