tests/phpunit/includes/TitleTest.php

   1 <?php
   2
   3 /**
   4  * @group Database
   5  * @group Title
   6  */
   7 class TitleTest extends MediaWikiTestCase {
   8         protected function setUp() {
   9                 parent::setUp();
  10
  11                 $this->setMwGlobals( [
  12                         'wgAllowUserJs' => false,
  13                         'wgDefaultLanguageVariant' => false,
  14                         'wgMetaNamespace' => 'Project',
  15                 ] );
  16                 $this->setUserLang( 'en' );
  17                 $this->setContentLang( 'en' );
  18         }
  19
  20         /**
  21          * @covers Title::legalChars
  22          */
  23         public function testLegalChars() {
  24                 $titlechars = Title::legalChars();
  25
  26                 foreach ( range( 1, 255 ) as $num ) {
  27                         $chr = chr( $num );
  28                         if ( strpos( "#[]{}<>|", $chr ) !== false || preg_match( "/[\\x00-\\x1f\\x7f]/", $chr ) ) {
  29                                 $this->assertFalse(
  30                                         (bool)preg_match( "/[$titlechars]/", $chr ),
  31                                         "chr($num) = $chr is not a valid titlechar"
  32                                 );
  33                         } else {
  34                                 $this->assertTrue(
  35                                         (bool)preg_match( "/[$titlechars]/", $chr ),
  36                                         "chr($num) = $chr is a valid titlechar"
  37                                 );
  38                         }
  39                 }
  40         }
  41
  42         public static function provideValidSecureAndSplit() {
  43                 return [
  44                         [ 'Sandbox' ],
  45                         [ 'A "B"' ],
  46                         [ 'A \'B\'' ],
  47                         [ '.com' ],
  48                         [ '~' ],
  49                         [ '#' ],
  50                         [ '"' ],
  51                         [ '\'' ],
  52                         [ 'Talk:Sandbox' ],
  53                         [ 'Talk:Foo:Sandbox' ],
  54                         [ 'File:Example.svg' ],
  55                         [ 'File_talk:Example.svg' ],
  56                         [ 'Foo/.../Sandbox' ],
  57                         [ 'Sandbox/...' ],
  58                         [ 'A~~' ],
  59                         [ ':A' ],
  60                         // Length is 256 total, but only title part matters
  61                         [ 'Category:' . str_repeat( 'x', 248 ) ],
  62                         [ str_repeat( 'x', 252 ) ],
  63                         // interwiki prefix
  64                         [ 'localtestiw: #anchor' ],
  65                         [ 'localtestiw:' ],
  66                         [ 'localtestiw:foo' ],
  67                         [ 'localtestiw: foo # anchor' ],
  68                         [ 'localtestiw: Talk: Sandbox # anchor' ],
  69                         [ 'remotetestiw:' ],
  70                         [ 'remotetestiw: Talk: # anchor' ],
  71                         [ 'remotetestiw: #bar' ],
  72                         [ 'remotetestiw: Talk:' ],
  73                         [ 'remotetestiw: Talk: Foo' ],
  74                         [ 'localtestiw:remotetestiw:' ],
  75                         [ 'localtestiw:remotetestiw:foo' ]
  76                 ];
  77         }
  78
  79         public static function provideInvalidSecureAndSplit() {
  80                 return [
  81                         [ '', 'title-invalid-empty' ],
  82                         [ ':', 'title-invalid-empty' ],
  83                         [ '__  __', 'title-invalid-empty' ],
  84                         [ '  __  ', 'title-invalid-empty' ],
  85                         // Bad characters forbidden regardless of wgLegalTitleChars
  86                         [ 'A [ B', 'title-invalid-characters' ],
  87                         [ 'A ] B', 'title-invalid-characters' ],
  88                         [ 'A { B', 'title-invalid-characters' ],
  89                         [ 'A } B', 'title-invalid-characters' ],
  90                         [ 'A < B', 'title-invalid-characters' ],
  91                         [ 'A > B', 'title-invalid-characters' ],
  92                         [ 'A | B', 'title-invalid-characters' ],
  93                         // URL encoding
  94                         [ 'A%20B', 'title-invalid-characters' ],
  95                         [ 'A%23B', 'title-invalid-characters' ],
  96                         [ 'A%2523B', 'title-invalid-characters' ],
  97                         // XML/HTML character entity references
  98                         // Note: Commented out because they are not marked invalid by the PHP test as
  99                         // Title::newFromText runs Sanitizer::decodeCharReferencesAndNormalize first.
 100                         // 'A &eacute; B',
 101                         // 'A &#233; B',
 102                         // 'A &#x00E9; B',
 103                         // Subject of NS_TALK does not roundtrip to NS_MAIN
 104                         [ 'Talk:File:Example.svg', 'title-invalid-talk-namespace' ],
 105                         // Directory navigation
 106                         [ '.', 'title-invalid-relative' ],
 107                         [ '..', 'title-invalid-relative' ],
 108                         [ './Sandbox', 'title-invalid-relative' ],
 109                         [ '../Sandbox', 'title-invalid-relative' ],
 110                         [ 'Foo/./Sandbox', 'title-invalid-relative' ],
 111                         [ 'Foo/../Sandbox', 'title-invalid-relative' ],
 112                         [ 'Sandbox/.', 'title-invalid-relative' ],
 113                         [ 'Sandbox/..', 'title-invalid-relative' ],
 114                         // Tilde
 115                         [ 'A ~~~ Name', 'title-invalid-magic-tilde' ],
 116                         [ 'A ~~~~ Signature', 'title-invalid-magic-tilde' ],
 117                         [ 'A ~~~~~ Timestamp', 'title-invalid-magic-tilde' ],
 118                         // Length
 119                         [ str_repeat( 'x', 256 ), 'title-invalid-too-long' ],
 120                         // Namespace prefix without actual title
 121                         [ 'Talk:', 'title-invalid-empty' ],
 122                         [ 'Talk:#', 'title-invalid-empty' ],
 123                         [ 'Category: ', 'title-invalid-empty' ],
 124                         [ 'Category: #bar', 'title-invalid-empty' ],
 125                         // interwiki prefix
 126                         [ 'localtestiw: Talk: # anchor', 'title-invalid-empty' ],
 127                         [ 'localtestiw: Talk:', 'title-invalid-empty' ]
 128                 ];
 129         }
 130
 131         private function secureAndSplitGlobals() {
 132                 $this->setMwGlobals( [
 133                         'wgLocalInterwikis' => [ 'localtestiw' ],
 134                         'wgHooks' => [
 135                                 'InterwikiLoadPrefix' => [
 136                                         function ( $prefix, &$data ) {
 137                                                 if ( $prefix === 'localtestiw' ) {
 138                                                         $data = [ 'iw_url' => 'localtestiw' ];
 139                                                 } elseif ( $prefix === 'remotetestiw' ) {
 140                                                         $data = [ 'iw_url' => 'remotetestiw' ];
 141                                                 }
 142                                                 return false;
 143                                         }
 144                                 ]
 145                         ]
 146                 ] );
 147         }
 148
 149         /**
 150          * See also mediawiki.Title.test.js
 151          * @covers Title::secureAndSplit
 152          * @dataProvider provideValidSecureAndSplit
 153          * @note This mainly tests MediaWikiTitleCodec::parseTitle().
 154          */
 155         public function testSecureAndSplitValid( $text ) {
 156                 $this->secureAndSplitGlobals();
 157                 $this->assertInstanceOf( 'Title', Title::newFromText( $text ), "Valid: $text" );
 158         }
 159
 160         /**
 161          * See also mediawiki.Title.test.js
 162          * @covers Title::secureAndSplit
 163          * @dataProvider provideInvalidSecureAndSplit
 164          * @note This mainly tests MediaWikiTitleCodec::parseTitle().
 165          */
 166         public function testSecureAndSplitInvalid( $text, $expectedErrorMessage ) {
 167                 $this->secureAndSplitGlobals();
 168                 try {
 169                         Title::newFromTextThrow( $text ); // should throw
 170                         $this->assertTrue( false, "Invalid: $text" );
 171                 } catch ( MalformedTitleException $ex ) {
 172                         $this->assertEquals( $expectedErrorMessage, $ex->getErrorMessage(), "Invalid: $text" );
 173                 }
 174         }
 175
 176         public static function provideConvertByteClassToUnicodeClass() {
 177                 return [
 178                         [
 179                                 ' %!"$&\'()*,\\-.\\/0-9:;=?@A-Z\\\\^_`a-z~\\x80-\\xFF+',
 180                                 ' %!"$&\'()*,\\-./0-9:;=?@A-Z\\\\\\^_`a-z~+\\u0080-\\uFFFF',
 181                         ],
 182                         [
 183                                 'QWERTYf-\\xFF+',
 184                                 'QWERTYf-\\x7F+\\u0080-\\uFFFF',
 185                         ],
 186                         [
 187                                 'QWERTY\\x66-\\xFD+',
 188                                 'QWERTYf-\\x7F+\\u0080-\\uFFFF',
 189                         ],
 190                         [
 191                                 'QWERTYf-y+',
 192                                 'QWERTYf-y+',
 193                         ],
 194                         [
 195                                 'QWERTYf-\\x80+',
 196                                 'QWERTYf-\\x7F+\\u0080-\\uFFFF',
 197                         ],
 198                         [
 199                                 'QWERTY\\x66-\\x80+\\x23',
 200                                 'QWERTYf-\\x7F+#\\u0080-\\uFFFF',
 201                         ],
 202                         [
 203                                 'QWERTY\\x66-\\x80+\\xD3',
 204                                 'QWERTYf-\\x7F+\\u0080-\\uFFFF',
 205                         ],
 206                         [
 207                                 '\\\\\\x99',
 208                                 '\\\\\\u0080-\\uFFFF',
 209                         ],
 210                         [
 211                                 '-\\x99',
 212                                 '\\-\\u0080-\\uFFFF',
 213                         ],
 214                         [
 215                                 'QWERTY\\-\\x99',
 216                                 'QWERTY\\-\\u0080-\\uFFFF',
 217                         ],
 218                         [
 219                                 '\\\\x99',
 220                                 '\\\\x99',
 221                         ],
 222                         [
 223                                 'A-\\x9F',
 224                                 'A-\\x7F\\u0080-\\uFFFF',
 225                         ],
 226                         [
 227                                 '\\x66-\\x77QWERTY\\x88-\\x91FXZ',
 228                                 'f-wQWERTYFXZ\\u0080-\\uFFFF',
 229                         ],
 230                         [
 231                                 '\\x66-\\x99QWERTY\\xAA-\\xEEFXZ',
 232                                 'f-\\x7FQWERTYFXZ\\u0080-\\uFFFF',
 233                         ],
 234                 ];
 235         }
 236
 237         /**
 238          * @dataProvider provideConvertByteClassToUnicodeClass
 239          * @covers Title::convertByteClassToUnicodeClass
 240          */
 241         public function testConvertByteClassToUnicodeClass( $byteClass, $unicodeClass ) {
 242                 $this->assertEquals( $unicodeClass, Title::convertByteClassToUnicodeClass( $byteClass ) );
 243         }
 244
 245         /**
 246          * @dataProvider provideSpecialNamesWithAndWithoutParameter
 247          * @covers Title::fixSpecialName
 248          */
 249         public function testFixSpecialNameRetainsParameter( $text, $expectedParam ) {
 250                 $title = Title::newFromText( $text );
 251                 $fixed = $title->fixSpecialName();
 252                 $stuff = explode( '/', $fixed->getDBkey(), 2 );
 253                 if ( count( $stuff ) == 2 ) {
 254                         $par = $stuff[1];
 255                 } else {
 256                         $par = null;
 257                 }
 258                 $this->assertEquals(
 259                         $expectedParam,
 260                         $par,
 261                         "Bug 31100 regression check: Title->fixSpecialName() should preserve parameter"
 262                 );
 263         }
 264
 265         public static function provideSpecialNamesWithAndWithoutParameter() {
 266                 return [
 267                         [ 'Special:Version', null ],
 268                         [ 'Special:Version/', '' ],
 269                         [ 'Special:Version/param', 'param' ],
 270                 ];
 271         }
 272
 273         /**
 274          * Auth-less test of Title::isValidMoveOperation
 275          *
 276          * @group Database
 277          * @param string $source
 278          * @param string $target
 279          * @param array|string|bool $expected Required error
 280          * @dataProvider provideTestIsValidMoveOperation
 281          * @covers Title::isValidMoveOperation
 282          * @covers Title::validateFileMoveOperation
 283          */
 284         public function testIsValidMoveOperation( $source, $target, $expected ) {
 285                 $this->setMwGlobals( 'wgContentHandlerUseDB', false );
 286                 $title = Title::newFromText( $source );
 287                 $nt = Title::newFromText( $target );
 288                 $errors = $title->isValidMoveOperation( $nt, false );
 289                 if ( $expected === true ) {
 290                         $this->assertTrue( $errors );
 291                 } else {
 292                         $errors = $this->flattenErrorsArray( $errors );
 293                         foreach ( (array)$expected as $error ) {
 294                                 $this->assertContains( $error, $errors );
 295                         }
 296                 }
 297         }
 298
 299         public static function provideTestIsValidMoveOperation() {
 300                 return [
 301                         // for Title::isValidMoveOperation
 302                         [ 'Some page', '', 'badtitletext' ],
 303                         [ 'Test', 'Test', 'selfmove' ],
 304                         [ 'Special:FooBar', 'Test', 'immobile-source-namespace' ],
 305                         [ 'Test', 'Special:FooBar', 'immobile-target-namespace' ],
 306                         [ 'MediaWiki:Common.js', 'Help:Some wikitext page', 'bad-target-model' ],
 307                         [ 'Page', 'File:Test.jpg', 'nonfile-cannot-move-to-file' ],
 308                         // for Title::validateFileMoveOperation
 309                         [ 'File:Test.jpg', 'Page', 'imagenocrossnamespace' ],
 310                 ];
 311         }
 312
 313         /**
 314          * Auth-less test of Title::userCan
 315          *
 316          * @param array $whitelistRegexp
 317          * @param string $source
 318          * @param string $action
 319          * @param array|string|bool $expected Required error
 320          *
 321          * @covers Title::checkReadPermissions
 322          * @dataProvider dataWgWhitelistReadRegexp
 323          */
 324         public function testWgWhitelistReadRegexp( $whitelistRegexp, $source, $action, $expected ) {
 325                 // $wgWhitelistReadRegexp must be an array. Since the provided test cases
 326                 // usually have only one regex, it is more concise to write the lonely regex
 327                 // as a string. Thus we cast to an array() to honor $wgWhitelistReadRegexp
 328                 // type requisite.
 329                 if ( is_string( $whitelistRegexp ) ) {
 330                         $whitelistRegexp = [ $whitelistRegexp ];
 331                 }
 332
 333                 $this->setMwGlobals( [
 334                         // So User::isEveryoneAllowed( 'read' ) === false
 335                         'wgGroupPermissions' => [ '*' => [ 'read' => false ] ],
 336                         'wgWhitelistRead' => [ 'some random non sense title' ],
 337                         'wgWhitelistReadRegexp' => $whitelistRegexp,
 338                 ] );
 339
 340                 $title = Title::newFromDBkey( $source );
 341
 342                 // New anonymous user with no rights
 343                 $user = new User;
 344                 $user->mRights = [];
 345                 $errors = $title->userCan( $action, $user );
 346
 347                 if ( is_bool( $expected ) ) {
 348                         # Forge the assertion message depending on the assertion expectation
 349                         $allowableness = $expected
 350                                 ? " should be allowed"
 351                                 : " should NOT be allowed";
 352                         $this->assertEquals(
 353                                 $expected,
 354                                 $errors,
 355                                 "User action '$action' on [[$source]] $allowableness."
 356                         );
 357                 } else {
 358                         $errors = $this->flattenErrorsArray( $errors );
 359                         foreach ( (array)$expected as $error ) {
 360                                 $this->assertContains( $error, $errors );
 361                         }
 362                 }
 363         }
 364
 365         /**
 366          * Provides test parameter values for testWgWhitelistReadRegexp()
 367          */
 368         public function dataWgWhitelistReadRegexp() {
 369                 $ALLOWED = true;
 370                 $DISALLOWED = false;
 371
 372                 return [
 373                         // Everything, if this doesn't work, we're really in trouble
 374                         [ '/.*/', 'Main_Page', 'read', $ALLOWED ],
 375                         [ '/.*/', 'Main_Page', 'edit', $DISALLOWED ],
 376
 377                         // We validate against the title name, not the db key
 378                         [ '/^Main_Page$/', 'Main_Page', 'read', $DISALLOWED ],
 379                         // Main page
 380                         [ '/^Main/', 'Main_Page', 'read', $ALLOWED ],
 381                         [ '/^Main.*/', 'Main_Page', 'read', $ALLOWED ],
 382                         // With spaces
 383                         [ '/Mic\sCheck/', 'Mic Check', 'read', $ALLOWED ],
 384                         // Unicode multibyte
 385                         // ...without unicode modifier
 386                         [ '/Unicode Test . Yes/', 'Unicode Test Ñ Yes', 'read', $DISALLOWED ],
 387                         // ...with unicode modifier
 388                         [ '/Unicode Test . Yes/u', 'Unicode Test Ñ Yes', 'read', $ALLOWED ],
 389                         // Case insensitive
 390                         [ '/MiC ChEcK/', 'mic check', 'read', $DISALLOWED ],
 391                         [ '/MiC ChEcK/i', 'mic check', 'read', $ALLOWED ],
 392
 393                         // From DefaultSettings.php:
 394                         [ "@^UsEr.*@i", 'User is banned', 'read', $ALLOWED ],
 395                         [ "@^UsEr.*@i", 'User:John Doe', 'read', $ALLOWED ],
 396
 397                         // With namespaces:
 398                         [ '/^Special:NewPages$/', 'Special:NewPages', 'read', $ALLOWED ],
 399                         [ null, 'Special:Newpages', 'read', $DISALLOWED ],
 400
 401                 ];
 402         }
 403
 404         public function flattenErrorsArray( $errors ) {
 405                 $result = [];
 406                 foreach ( $errors as $error ) {
 407                         $result[] = $error[0];
 408                 }
 409
 410                 return $result;
 411         }
 412
 413         /**
 414          * @dataProvider provideGetPageViewLanguage
 415          * @covers Title::getPageViewLanguage
 416          */
 417         public function testGetPageViewLanguage( $expected, $titleText, $contLang,
 418                 $lang, $variant, $msg = ''
 419         ) {
 420                 // Setup environnement for this test
 421                 $this->setMwGlobals( [
 422                         'wgDefaultLanguageVariant' => $variant,
 423                         'wgAllowUserJs' => true,
 424                 ] );
 425                 $this->setUserLang( $lang );
 426                 $this->setContentLang( $contLang );
 427
 428                 $title = Title::newFromText( $titleText );
 429                 $this->assertInstanceOf( 'Title', $title,
 430                         "Test must be passed a valid title text, you gave '$titleText'"
 431                 );
 432                 $this->assertEquals( $expected,
 433                         $title->getPageViewLanguage()->getCode(),
 434                         $msg
 435                 );
 436         }
 437
 438         public static function provideGetPageViewLanguage() {
 439                 # Format:
 440                 # - expected
 441                 # - Title name
 442                 # - wgContLang (expected in most case)
 443                 # - wgLang (on some specific pages)
 444                 # - wgDefaultLanguageVariant
 445                 # - Optional message
 446                 return [
 447                         [ 'fr', 'Help:I_need_somebody', 'fr', 'fr', false ],
 448                         [ 'es', 'Help:I_need_somebody', 'es', 'zh-tw', false ],
 449                         [ 'zh', 'Help:I_need_somebody', 'zh', 'zh-tw', false ],
 450
 451                         [ 'es', 'Help:I_need_somebody', 'es', 'zh-tw', 'zh-cn' ],
 452                         [ 'es', 'MediaWiki:About', 'es', 'zh-tw', 'zh-cn' ],
 453                         [ 'es', 'MediaWiki:About/', 'es', 'zh-tw', 'zh-cn' ],
 454                         [ 'de', 'MediaWiki:About/de', 'es', 'zh-tw', 'zh-cn' ],
 455                         [ 'en', 'MediaWiki:Common.js', 'es', 'zh-tw', 'zh-cn' ],
 456                         [ 'en', 'MediaWiki:Common.css', 'es', 'zh-tw', 'zh-cn' ],
 457                         [ 'en', 'User:JohnDoe/Common.js', 'es', 'zh-tw', 'zh-cn' ],
 458                         [ 'en', 'User:JohnDoe/Monobook.css', 'es', 'zh-tw', 'zh-cn' ],
 459
 460                         [ 'zh-cn', 'Help:I_need_somebody', 'zh', 'zh-tw', 'zh-cn' ],
 461                         [ 'zh', 'MediaWiki:About', 'zh', 'zh-tw', 'zh-cn' ],
 462                         [ 'zh', 'MediaWiki:About/', 'zh', 'zh-tw', 'zh-cn' ],
 463                         [ 'de', 'MediaWiki:About/de', 'zh', 'zh-tw', 'zh-cn' ],
 464                         [ 'zh-cn', 'MediaWiki:About/zh-cn', 'zh', 'zh-tw', 'zh-cn' ],
 465                         [ 'zh-tw', 'MediaWiki:About/zh-tw', 'zh', 'zh-tw', 'zh-cn' ],
 466                         [ 'en', 'MediaWiki:Common.js', 'zh', 'zh-tw', 'zh-cn' ],
 467                         [ 'en', 'MediaWiki:Common.css', 'zh', 'zh-tw', 'zh-cn' ],
 468                         [ 'en', 'User:JohnDoe/Common.js', 'zh', 'zh-tw', 'zh-cn' ],
 469                         [ 'en', 'User:JohnDoe/Monobook.css', 'zh', 'zh-tw', 'zh-cn' ],
 470
 471                         [ 'zh-tw', 'Special:NewPages', 'es', 'zh-tw', 'zh-cn' ],
 472                         [ 'zh-tw', 'Special:NewPages', 'zh', 'zh-tw', 'zh-cn' ],
 473
 474                 ];
 475         }
 476
 477         /**
 478          * @dataProvider provideBaseTitleCases
 479          * @covers Title::getBaseText
 480          */
 481         public function testGetBaseText( $title, $expected, $msg = '' ) {
 482                 $title = Title::newFromText( $title );
 483                 $this->assertEquals( $expected,
 484                         $title->getBaseText(),
 485                         $msg
 486                 );
 487         }
 488
 489         public static function provideBaseTitleCases() {
 490                 return [
 491                         # Title, expected base, optional message
 492                         [ 'User:John_Doe/subOne/subTwo', 'John Doe/subOne' ],
 493                         [ 'User:Foo/Bar/Baz', 'Foo/Bar' ],
 494                 ];
 495         }
 496
 497         /**
 498          * @dataProvider provideRootTitleCases
 499          * @covers Title::getRootText
 500          */
 501         public function testGetRootText( $title, $expected, $msg = '' ) {
 502                 $title = Title::newFromText( $title );
 503                 $this->assertEquals( $expected,
 504                         $title->getRootText(),
 505                         $msg
 506                 );
 507         }
 508
 509         public static function provideRootTitleCases() {
 510                 return [
 511                         # Title, expected base, optional message
 512                         [ 'User:John_Doe/subOne/subTwo', 'John Doe' ],
 513                         [ 'User:Foo/Bar/Baz', 'Foo' ],
 514                 ];
 515         }
 516
 517         /**
 518          * @todo Handle $wgNamespacesWithSubpages cases
 519          * @dataProvider provideSubpageTitleCases
 520          * @covers Title::getSubpageText
 521          */
 522         public function testGetSubpageText( $title, $expected, $msg = '' ) {
 523                 $title = Title::newFromText( $title );
 524                 $this->assertEquals( $expected,
 525                         $title->getSubpageText(),
 526                         $msg
 527                 );
 528         }
 529
 530         public static function provideSubpageTitleCases() {
 531                 return [
 532                         # Title, expected base, optional message
 533                         [ 'User:John_Doe/subOne/subTwo', 'subTwo' ],
 534                         [ 'User:John_Doe/subOne', 'subOne' ],
 535                 ];
 536         }
 537
 538         public static function provideNewFromTitleValue() {
 539                 return [
 540                         [ new TitleValue( NS_MAIN, 'Foo' ) ],
 541                         [ new TitleValue( NS_MAIN, 'Foo', 'bar' ) ],
 542                         [ new TitleValue( NS_USER, 'Hansi_Maier' ) ],
 543                 ];
 544         }
 545
 546         /**
 547          * @dataProvider provideNewFromTitleValue
 548          */
 549         public function testNewFromTitleValue( TitleValue $value ) {
 550                 $title = Title::newFromTitleValue( $value );
 551
 552                 $dbkey = str_replace( ' ', '_', $value->getText() );
 553                 $this->assertEquals( $dbkey, $title->getDBkey() );
 554                 $this->assertEquals( $value->getNamespace(), $title->getNamespace() );
 555                 $this->assertEquals( $value->getFragment(), $title->getFragment() );
 556         }
 557
 558         public static function provideGetTitleValue() {
 559                 return [
 560                         [ 'Foo' ],
 561                         [ 'Foo#bar' ],
 562                         [ 'User:Hansi_Maier' ],
 563                 ];
 564         }
 565
 566         /**
 567          * @dataProvider provideGetTitleValue
 568          */
 569         public function testGetTitleValue( $text ) {
 570                 $title = Title::newFromText( $text );
 571                 $value = $title->getTitleValue();
 572
 573                 $dbkey = str_replace( ' ', '_', $value->getText() );
 574                 $this->assertEquals( $title->getDBkey(), $dbkey );
 575                 $this->assertEquals( $title->getNamespace(), $value->getNamespace() );
 576                 $this->assertEquals( $title->getFragment(), $value->getFragment() );
 577         }
 578
 579         public static function provideGetFragment() {
 580                 return [
 581                         [ 'Foo', '' ],
 582                         [ 'Foo#bar', 'bar' ],
 583                         [ 'Foo#bär', 'bär' ],
 584
 585                         // Inner whitespace is normalized
 586                         [ 'Foo#bar_bar', 'bar bar' ],
 587                         [ 'Foo#bar bar', 'bar bar' ],
 588                         [ 'Foo#bar   bar', 'bar bar' ],
 589
 590                         // Leading whitespace is kept, trailing whitespace is trimmed.
 591                         // XXX: Is this really want we want?
 592                         [ 'Foo#_bar_bar_', ' bar bar' ],
 593                         [ 'Foo# bar bar ', ' bar bar' ],
 594                 ];
 595         }
 596
 597         /**
 598          * @dataProvider provideGetFragment
 599          *
 600          * @param string $full
 601          * @param string $fragment
 602          */
 603         public function testGetFragment( $full, $fragment ) {
 604                 $title = Title::newFromText( $full );
 605                 $this->assertEquals( $fragment, $title->getFragment() );
 606         }
 607
 608         /**
 609          * @covers Title::isAlwaysKnown
 610          * @dataProvider provideIsAlwaysKnown
 611          * @param string $page
 612          * @param bool $isKnown
 613          */
 614         public function testIsAlwaysKnown( $page, $isKnown ) {
 615                 $title = Title::newFromText( $page );
 616                 $this->assertEquals( $isKnown, $title->isAlwaysKnown() );
 617         }
 618
 619         public static function provideIsAlwaysKnown() {
 620                 return [
 621                         [ 'Some nonexistent page', false ],
 622                         [ 'UTPage', false ],
 623                         [ '#test', true ],
 624                         [ 'Special:BlankPage', true ],
 625                         [ 'Special:SomeNonexistentSpecialPage', false ],
 626                         [ 'MediaWiki:Parentheses', true ],
 627                         [ 'MediaWiki:Some nonexistent message', false ],
 628                 ];
 629         }
 630
 631         /**
 632          * @covers Title::isAlwaysKnown
 633          */
 634         public function testIsAlwaysKnownOnInterwiki() {
 635                 $title = Title::makeTitle( NS_MAIN, 'Interwiki link', '', 'externalwiki' );
 636                 $this->assertTrue( $title->isAlwaysKnown() );
 637         }
 638
 639         /**
 640          * @covers Title::exists
 641          */
 642         public function testExists() {
 643                 $title = Title::makeTitle( NS_PROJECT, 'New page' );
 644                 $linkCache = LinkCache::singleton();
 645
 646                 $article = new Article( $title );
 647                 $page = $article->getPage();
 648                 $page->doEditContent( new WikitextContent( 'Some [[link]]' ), 'summary' );
 649
 650                 // Tell Title it doesn't know whether it exists
 651                 $title->mArticleID = -1;
 652
 653                 // Tell the link cache it doesn't exists when it really does
 654                 $linkCache->clearLink( $title );
 655                 $linkCache->addBadLinkObj( $title );
 656
 657                 $this->assertEquals(
 658                         false,
 659                         $title->exists(),
 660                         'exists() should rely on link cache unless GAID_FOR_UPDATE is used'
 661                 );
 662                 $this->assertEquals(
 663                         true,
 664                         $title->exists( Title::GAID_FOR_UPDATE ),
 665                         'exists() should re-query database when GAID_FOR_UPDATE is used'
 666                 );
 667         }
 668 }