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                         [ "A \t B", 'title-invalid-characters' ],
  94                         [ "A \n B", 'title-invalid-characters' ],
  95                         // URL encoding
  96                         [ 'A%20B', 'title-invalid-characters' ],
  97                         [ 'A%23B', 'title-invalid-characters' ],
  98                         [ 'A%2523B', 'title-invalid-characters' ],
  99                         // XML/HTML character entity references
 100                         // Note: Commented out because they are not marked invalid by the PHP test as
 101                         // Title::newFromText runs Sanitizer::decodeCharReferencesAndNormalize first.
 102                         // 'A &eacute; B',
 103                         // 'A &#233; B',
 104                         // 'A &#x00E9; B',
 105                         // Subject of NS_TALK does not roundtrip to NS_MAIN
 106                         [ 'Talk:File:Example.svg', 'title-invalid-talk-namespace' ],
 107                         // Directory navigation
 108                         [ '.', 'title-invalid-relative' ],
 109                         [ '..', 'title-invalid-relative' ],
 110                         [ './Sandbox', 'title-invalid-relative' ],
 111                         [ '../Sandbox', 'title-invalid-relative' ],
 112                         [ 'Foo/./Sandbox', 'title-invalid-relative' ],
 113                         [ 'Foo/../Sandbox', 'title-invalid-relative' ],
 114                         [ 'Sandbox/.', 'title-invalid-relative' ],
 115                         [ 'Sandbox/..', 'title-invalid-relative' ],
 116                         // Tilde
 117                         [ 'A ~~~ Name', 'title-invalid-magic-tilde' ],
 118                         [ 'A ~~~~ Signature', 'title-invalid-magic-tilde' ],
 119                         [ 'A ~~~~~ Timestamp', 'title-invalid-magic-tilde' ],
 120                         // Length
 121                         [ str_repeat( 'x', 256 ), 'title-invalid-too-long' ],
 122                         // Namespace prefix without actual title
 123                         [ 'Talk:', 'title-invalid-empty' ],
 124                         [ 'Talk:#', 'title-invalid-empty' ],
 125                         [ 'Category: ', 'title-invalid-empty' ],
 126                         [ 'Category: #bar', 'title-invalid-empty' ],
 127                         // interwiki prefix
 128                         [ 'localtestiw: Talk: # anchor', 'title-invalid-empty' ],
 129                         [ 'localtestiw: Talk:', 'title-invalid-empty' ]
 130                 ];
 131         }
 132
 133         private function secureAndSplitGlobals() {
 134                 $this->setMwGlobals( [
 135                         'wgLocalInterwikis' => [ 'localtestiw' ],
 136                         'wgHooks' => [
 137                                 'InterwikiLoadPrefix' => [
 138                                         function ( $prefix, &$data ) {
 139                                                 if ( $prefix === 'localtestiw' ) {
 140                                                         $data = [ 'iw_url' => 'localtestiw' ];
 141                                                 } elseif ( $prefix === 'remotetestiw' ) {
 142                                                         $data = [ 'iw_url' => 'remotetestiw' ];
 143                                                 }
 144                                                 return false;
 145                                         }
 146                                 ]
 147                         ]
 148                 ] );
 149
 150                 // Reset TitleParser since we modified $wgLocalInterwikis
 151                 $this->setService( 'TitleParser', new MediaWikiTitleCodec(
 152                                 Language::factory( 'en' ),
 153                                 new GenderCache(),
 154                                 [ 'localtestiw' ]
 155                 ) );
 156         }
 157
 158         /**
 159          * See also mediawiki.Title.test.js
 160          * @covers Title::secureAndSplit
 161          * @dataProvider provideValidSecureAndSplit
 162          * @note This mainly tests MediaWikiTitleCodec::parseTitle().
 163          */
 164         public function testSecureAndSplitValid( $text ) {
 165                 $this->secureAndSplitGlobals();
 166                 $this->assertInstanceOf( 'Title', Title::newFromText( $text ), "Valid: $text" );
 167         }
 168
 169         /**
 170          * See also mediawiki.Title.test.js
 171          * @covers Title::secureAndSplit
 172          * @dataProvider provideInvalidSecureAndSplit
 173          * @note This mainly tests MediaWikiTitleCodec::parseTitle().
 174          */
 175         public function testSecureAndSplitInvalid( $text, $expectedErrorMessage ) {
 176                 $this->secureAndSplitGlobals();
 177                 try {
 178                         Title::newFromTextThrow( $text ); // should throw
 179                         $this->assertTrue( false, "Invalid: $text" );
 180                 } catch ( MalformedTitleException $ex ) {
 181                         $this->assertEquals( $expectedErrorMessage, $ex->getErrorMessage(), "Invalid: $text" );
 182                 }
 183         }
 184
 185         public static function provideConvertByteClassToUnicodeClass() {
 186                 return [
 187                         [
 188                                 ' %!"$&\'()*,\\-.\\/0-9:;=?@A-Z\\\\^_`a-z~\\x80-\\xFF+',
 189                                 ' %!"$&\'()*,\\-./0-9:;=?@A-Z\\\\\\^_`a-z~+\\u0080-\\uFFFF',
 190                         ],
 191                         [
 192                                 'QWERTYf-\\xFF+',
 193                                 'QWERTYf-\\x7F+\\u0080-\\uFFFF',
 194                         ],
 195                         [
 196                                 'QWERTY\\x66-\\xFD+',
 197                                 'QWERTYf-\\x7F+\\u0080-\\uFFFF',
 198                         ],
 199                         [
 200                                 'QWERTYf-y+',
 201                                 'QWERTYf-y+',
 202                         ],
 203                         [
 204                                 'QWERTYf-\\x80+',
 205                                 'QWERTYf-\\x7F+\\u0080-\\uFFFF',
 206                         ],
 207                         [
 208                                 'QWERTY\\x66-\\x80+\\x23',
 209                                 'QWERTYf-\\x7F+#\\u0080-\\uFFFF',
 210                         ],
 211                         [
 212                                 'QWERTY\\x66-\\x80+\\xD3',
 213                                 'QWERTYf-\\x7F+\\u0080-\\uFFFF',
 214                         ],
 215                         [
 216                                 '\\\\\\x99',
 217                                 '\\\\\\u0080-\\uFFFF',
 218                         ],
 219                         [
 220                                 '-\\x99',
 221                                 '\\-\\u0080-\\uFFFF',
 222                         ],
 223                         [
 224                                 'QWERTY\\-\\x99',
 225                                 'QWERTY\\-\\u0080-\\uFFFF',
 226                         ],
 227                         [
 228                                 '\\\\x99',
 229                                 '\\\\x99',
 230                         ],
 231                         [
 232                                 'A-\\x9F',
 233                                 'A-\\x7F\\u0080-\\uFFFF',
 234                         ],
 235                         [
 236                                 '\\x66-\\x77QWERTY\\x88-\\x91FXZ',
 237                                 'f-wQWERTYFXZ\\u0080-\\uFFFF',
 238                         ],
 239                         [
 240                                 '\\x66-\\x99QWERTY\\xAA-\\xEEFXZ',
 241                                 'f-\\x7FQWERTYFXZ\\u0080-\\uFFFF',
 242                         ],
 243                 ];
 244         }
 245
 246         /**
 247          * @dataProvider provideConvertByteClassToUnicodeClass
 248          * @covers Title::convertByteClassToUnicodeClass
 249          */
 250         public function testConvertByteClassToUnicodeClass( $byteClass, $unicodeClass ) {
 251                 $this->assertEquals( $unicodeClass, Title::convertByteClassToUnicodeClass( $byteClass ) );
 252         }
 253
 254         /**
 255          * @dataProvider provideSpecialNamesWithAndWithoutParameter
 256          * @covers Title::fixSpecialName
 257          */
 258         public function testFixSpecialNameRetainsParameter( $text, $expectedParam ) {
 259                 $title = Title::newFromText( $text );
 260                 $fixed = $title->fixSpecialName();
 261                 $stuff = explode( '/', $fixed->getDBkey(), 2 );
 262                 if ( count( $stuff ) == 2 ) {
 263                         $par = $stuff[1];
 264                 } else {
 265                         $par = null;
 266                 }
 267                 $this->assertEquals(
 268                         $expectedParam,
 269                         $par,
 270                         "T33100 regression check: Title->fixSpecialName() should preserve parameter"
 271                 );
 272         }
 273
 274         public static function provideSpecialNamesWithAndWithoutParameter() {
 275                 return [
 276                         [ 'Special:Version', null ],
 277                         [ 'Special:Version/', '' ],
 278                         [ 'Special:Version/param', 'param' ],
 279                 ];
 280         }
 281
 282         /**
 283          * Auth-less test of Title::isValidMoveOperation
 284          *
 285          * @group Database
 286          * @param string $source
 287          * @param string $target
 288          * @param array|string|bool $expected Required error
 289          * @dataProvider provideTestIsValidMoveOperation
 290          * @covers Title::isValidMoveOperation
 291          * @covers Title::validateFileMoveOperation
 292          */
 293         public function testIsValidMoveOperation( $source, $target, $expected ) {
 294                 $this->setMwGlobals( 'wgContentHandlerUseDB', false );
 295                 $title = Title::newFromText( $source );
 296                 $nt = Title::newFromText( $target );
 297                 $errors = $title->isValidMoveOperation( $nt, false );
 298                 if ( $expected === true ) {
 299                         $this->assertTrue( $errors );
 300                 } else {
 301                         $errors = $this->flattenErrorsArray( $errors );
 302                         foreach ( (array)$expected as $error ) {
 303                                 $this->assertContains( $error, $errors );
 304                         }
 305                 }
 306         }
 307
 308         public static function provideTestIsValidMoveOperation() {
 309                 return [
 310                         // for Title::isValidMoveOperation
 311                         [ 'Some page', '', 'badtitletext' ],
 312                         [ 'Test', 'Test', 'selfmove' ],
 313                         [ 'Special:FooBar', 'Test', 'immobile-source-namespace' ],
 314                         [ 'Test', 'Special:FooBar', 'immobile-target-namespace' ],
 315                         [ 'MediaWiki:Common.js', 'Help:Some wikitext page', 'bad-target-model' ],
 316                         [ 'Page', 'File:Test.jpg', 'nonfile-cannot-move-to-file' ],
 317                         // for Title::validateFileMoveOperation
 318                         [ 'File:Test.jpg', 'Page', 'imagenocrossnamespace' ],
 319                 ];
 320         }
 321
 322         /**
 323          * Auth-less test of Title::userCan
 324          *
 325          * @param array $whitelistRegexp
 326          * @param string $source
 327          * @param string $action
 328          * @param array|string|bool $expected Required error
 329          *
 330          * @covers Title::checkReadPermissions
 331          * @dataProvider dataWgWhitelistReadRegexp
 332          */
 333         public function testWgWhitelistReadRegexp( $whitelistRegexp, $source, $action, $expected ) {
 334                 // $wgWhitelistReadRegexp must be an array. Since the provided test cases
 335                 // usually have only one regex, it is more concise to write the lonely regex
 336                 // as a string. Thus we cast to an array() to honor $wgWhitelistReadRegexp
 337                 // type requisite.
 338                 if ( is_string( $whitelistRegexp ) ) {
 339                         $whitelistRegexp = [ $whitelistRegexp ];
 340                 }
 341
 342                 $this->setMwGlobals( [
 343                         // So User::isEveryoneAllowed( 'read' ) === false
 344                         'wgGroupPermissions' => [ '*' => [ 'read' => false ] ],
 345                         'wgWhitelistRead' => [ 'some random non sense title' ],
 346                         'wgWhitelistReadRegexp' => $whitelistRegexp,
 347                 ] );
 348
 349                 $title = Title::newFromDBkey( $source );
 350
 351                 // New anonymous user with no rights
 352                 $user = new User;
 353                 $user->mRights = [];
 354                 $errors = $title->userCan( $action, $user );
 355
 356                 if ( is_bool( $expected ) ) {
 357                         # Forge the assertion message depending on the assertion expectation
 358                         $allowableness = $expected
 359                                 ? " should be allowed"
 360                                 : " should NOT be allowed";
 361                         $this->assertEquals(
 362                                 $expected,
 363                                 $errors,
 364                                 "User action '$action' on [[$source]] $allowableness."
 365                         );
 366                 } else {
 367                         $errors = $this->flattenErrorsArray( $errors );
 368                         foreach ( (array)$expected as $error ) {
 369                                 $this->assertContains( $error, $errors );
 370                         }
 371                 }
 372         }
 373
 374         /**
 375          * Provides test parameter values for testWgWhitelistReadRegexp()
 376          */
 377         public function dataWgWhitelistReadRegexp() {
 378                 $ALLOWED = true;
 379                 $DISALLOWED = false;
 380
 381                 return [
 382                         // Everything, if this doesn't work, we're really in trouble
 383                         [ '/.*/', 'Main_Page', 'read', $ALLOWED ],
 384                         [ '/.*/', 'Main_Page', 'edit', $DISALLOWED ],
 385
 386                         // We validate against the title name, not the db key
 387                         [ '/^Main_Page$/', 'Main_Page', 'read', $DISALLOWED ],
 388                         // Main page
 389                         [ '/^Main/', 'Main_Page', 'read', $ALLOWED ],
 390                         [ '/^Main.*/', 'Main_Page', 'read', $ALLOWED ],
 391                         // With spaces
 392                         [ '/Mic\sCheck/', 'Mic Check', 'read', $ALLOWED ],
 393                         // Unicode multibyte
 394                         // ...without unicode modifier
 395                         [ '/Unicode Test . Yes/', 'Unicode Test Ñ Yes', 'read', $DISALLOWED ],
 396                         // ...with unicode modifier
 397                         [ '/Unicode Test . Yes/u', 'Unicode Test Ñ Yes', 'read', $ALLOWED ],
 398                         // Case insensitive
 399                         [ '/MiC ChEcK/', 'mic check', 'read', $DISALLOWED ],
 400                         [ '/MiC ChEcK/i', 'mic check', 'read', $ALLOWED ],
 401
 402                         // From DefaultSettings.php:
 403                         [ "@^UsEr.*@i", 'User is banned', 'read', $ALLOWED ],
 404                         [ "@^UsEr.*@i", 'User:John Doe', 'read', $ALLOWED ],
 405
 406                         // With namespaces:
 407                         [ '/^Special:NewPages$/', 'Special:NewPages', 'read', $ALLOWED ],
 408                         [ null, 'Special:Newpages', 'read', $DISALLOWED ],
 409
 410                 ];
 411         }
 412
 413         public function flattenErrorsArray( $errors ) {
 414                 $result = [];
 415                 foreach ( $errors as $error ) {
 416                         $result[] = $error[0];
 417                 }
 418
 419                 return $result;
 420         }
 421
 422         /**
 423          * @dataProvider provideGetPageViewLanguage
 424          * @covers Title::getPageViewLanguage
 425          */
 426         public function testGetPageViewLanguage( $expected, $titleText, $contLang,
 427                 $lang, $variant, $msg = ''
 428         ) {
 429                 // Setup environnement for this test
 430                 $this->setMwGlobals( [
 431                         'wgDefaultLanguageVariant' => $variant,
 432                         'wgAllowUserJs' => true,
 433                 ] );
 434                 $this->setUserLang( $lang );
 435                 $this->setContentLang( $contLang );
 436
 437                 $title = Title::newFromText( $titleText );
 438                 $this->assertInstanceOf( 'Title', $title,
 439                         "Test must be passed a valid title text, you gave '$titleText'"
 440                 );
 441                 $this->assertEquals( $expected,
 442                         $title->getPageViewLanguage()->getCode(),
 443                         $msg
 444                 );
 445         }
 446
 447         public static function provideGetPageViewLanguage() {
 448                 # Format:
 449                 # - expected
 450                 # - Title name
 451                 # - wgContLang (expected in most case)
 452                 # - wgLang (on some specific pages)
 453                 # - wgDefaultLanguageVariant
 454                 # - Optional message
 455                 return [
 456                         [ 'fr', 'Help:I_need_somebody', 'fr', 'fr', false ],
 457                         [ 'es', 'Help:I_need_somebody', 'es', 'zh-tw', false ],
 458                         [ 'zh', 'Help:I_need_somebody', 'zh', 'zh-tw', false ],
 459
 460                         [ 'es', 'Help:I_need_somebody', 'es', 'zh-tw', 'zh-cn' ],
 461                         [ 'es', 'MediaWiki:About', 'es', 'zh-tw', 'zh-cn' ],
 462                         [ 'es', 'MediaWiki:About/', 'es', 'zh-tw', 'zh-cn' ],
 463                         [ 'de', 'MediaWiki:About/de', 'es', 'zh-tw', 'zh-cn' ],
 464                         [ 'en', 'MediaWiki:Common.js', 'es', 'zh-tw', 'zh-cn' ],
 465                         [ 'en', 'MediaWiki:Common.css', 'es', 'zh-tw', 'zh-cn' ],
 466                         [ 'en', 'User:JohnDoe/Common.js', 'es', 'zh-tw', 'zh-cn' ],
 467                         [ 'en', 'User:JohnDoe/Monobook.css', 'es', 'zh-tw', 'zh-cn' ],
 468
 469                         [ 'zh-cn', 'Help:I_need_somebody', 'zh', 'zh-tw', 'zh-cn' ],
 470                         [ 'zh', 'MediaWiki:About', 'zh', 'zh-tw', 'zh-cn' ],
 471                         [ 'zh', 'MediaWiki:About/', 'zh', 'zh-tw', 'zh-cn' ],
 472                         [ 'de', 'MediaWiki:About/de', 'zh', 'zh-tw', 'zh-cn' ],
 473                         [ 'zh-cn', 'MediaWiki:About/zh-cn', 'zh', 'zh-tw', 'zh-cn' ],
 474                         [ 'zh-tw', 'MediaWiki:About/zh-tw', 'zh', 'zh-tw', 'zh-cn' ],
 475                         [ 'en', 'MediaWiki:Common.js', 'zh', 'zh-tw', 'zh-cn' ],
 476                         [ 'en', 'MediaWiki:Common.css', 'zh', 'zh-tw', 'zh-cn' ],
 477                         [ 'en', 'User:JohnDoe/Common.js', 'zh', 'zh-tw', 'zh-cn' ],
 478                         [ 'en', 'User:JohnDoe/Monobook.css', 'zh', 'zh-tw', 'zh-cn' ],
 479
 480                         [ 'zh-tw', 'Special:NewPages', 'es', 'zh-tw', 'zh-cn' ],
 481                         [ 'zh-tw', 'Special:NewPages', 'zh', 'zh-tw', 'zh-cn' ],
 482
 483                 ];
 484         }
 485
 486         /**
 487          * @dataProvider provideBaseTitleCases
 488          * @covers Title::getBaseText
 489          */
 490         public function testGetBaseText( $title, $expected, $msg = '' ) {
 491                 $title = Title::newFromText( $title );
 492                 $this->assertEquals( $expected,
 493                         $title->getBaseText(),
 494                         $msg
 495                 );
 496         }
 497
 498         public static function provideBaseTitleCases() {
 499                 return [
 500                         # Title, expected base, optional message
 501                         [ 'User:John_Doe/subOne/subTwo', 'John Doe/subOne' ],
 502                         [ 'User:Foo/Bar/Baz', 'Foo/Bar' ],
 503                 ];
 504         }
 505
 506         /**
 507          * @dataProvider provideRootTitleCases
 508          * @covers Title::getRootText
 509          */
 510         public function testGetRootText( $title, $expected, $msg = '' ) {
 511                 $title = Title::newFromText( $title );
 512                 $this->assertEquals( $expected,
 513                         $title->getRootText(),
 514                         $msg
 515                 );
 516         }
 517
 518         public static function provideRootTitleCases() {
 519                 return [
 520                         # Title, expected base, optional message
 521                         [ 'User:John_Doe/subOne/subTwo', 'John Doe' ],
 522                         [ 'User:Foo/Bar/Baz', 'Foo' ],
 523                 ];
 524         }
 525
 526         /**
 527          * @todo Handle $wgNamespacesWithSubpages cases
 528          * @dataProvider provideSubpageTitleCases
 529          * @covers Title::getSubpageText
 530          */
 531         public function testGetSubpageText( $title, $expected, $msg = '' ) {
 532                 $title = Title::newFromText( $title );
 533                 $this->assertEquals( $expected,
 534                         $title->getSubpageText(),
 535                         $msg
 536                 );
 537         }
 538
 539         public static function provideSubpageTitleCases() {
 540                 return [
 541                         # Title, expected base, optional message
 542                         [ 'User:John_Doe/subOne/subTwo', 'subTwo' ],
 543                         [ 'User:John_Doe/subOne', 'subOne' ],
 544                 ];
 545         }
 546
 547         public static function provideNewFromTitleValue() {
 548                 return [
 549                         [ new TitleValue( NS_MAIN, 'Foo' ) ],
 550                         [ new TitleValue( NS_MAIN, 'Foo', 'bar' ) ],
 551                         [ new TitleValue( NS_USER, 'Hansi_Maier' ) ],
 552                 ];
 553         }
 554
 555         /**
 556          * @dataProvider provideNewFromTitleValue
 557          */
 558         public function testNewFromTitleValue( TitleValue $value ) {
 559                 $title = Title::newFromTitleValue( $value );
 560
 561                 $dbkey = str_replace( ' ', '_', $value->getText() );
 562                 $this->assertEquals( $dbkey, $title->getDBkey() );
 563                 $this->assertEquals( $value->getNamespace(), $title->getNamespace() );
 564                 $this->assertEquals( $value->getFragment(), $title->getFragment() );
 565         }
 566
 567         public static function provideGetTitleValue() {
 568                 return [
 569                         [ 'Foo' ],
 570                         [ 'Foo#bar' ],
 571                         [ 'User:Hansi_Maier' ],
 572                 ];
 573         }
 574
 575         /**
 576          * @dataProvider provideGetTitleValue
 577          */
 578         public function testGetTitleValue( $text ) {
 579                 $title = Title::newFromText( $text );
 580                 $value = $title->getTitleValue();
 581
 582                 $dbkey = str_replace( ' ', '_', $value->getText() );
 583                 $this->assertEquals( $title->getDBkey(), $dbkey );
 584                 $this->assertEquals( $title->getNamespace(), $value->getNamespace() );
 585                 $this->assertEquals( $title->getFragment(), $value->getFragment() );
 586         }
 587
 588         public static function provideGetFragment() {
 589                 return [
 590                         [ 'Foo', '' ],
 591                         [ 'Foo#bar', 'bar' ],
 592                         [ 'Foo#bär', 'bär' ],
 593
 594                         // Inner whitespace is normalized
 595                         [ 'Foo#bar_bar', 'bar bar' ],
 596                         [ 'Foo#bar bar', 'bar bar' ],
 597                         [ 'Foo#bar   bar', 'bar bar' ],
 598
 599                         // Leading whitespace is kept, trailing whitespace is trimmed.
 600                         // XXX: Is this really want we want?
 601                         [ 'Foo#_bar_bar_', ' bar bar' ],
 602                         [ 'Foo# bar bar ', ' bar bar' ],
 603                 ];
 604         }
 605
 606         /**
 607          * @dataProvider provideGetFragment
 608          *
 609          * @param string $full
 610          * @param string $fragment
 611          */
 612         public function testGetFragment( $full, $fragment ) {
 613                 $title = Title::newFromText( $full );
 614                 $this->assertEquals( $fragment, $title->getFragment() );
 615         }
 616
 617         /**
 618          * @covers Title::isAlwaysKnown
 619          * @dataProvider provideIsAlwaysKnown
 620          * @param string $page
 621          * @param bool $isKnown
 622          */
 623         public function testIsAlwaysKnown( $page, $isKnown ) {
 624                 $title = Title::newFromText( $page );
 625                 $this->assertEquals( $isKnown, $title->isAlwaysKnown() );
 626         }
 627
 628         public static function provideIsAlwaysKnown() {
 629                 return [
 630                         [ 'Some nonexistent page', false ],
 631                         [ 'UTPage', false ],
 632                         [ '#test', true ],
 633                         [ 'Special:BlankPage', true ],
 634                         [ 'Special:SomeNonexistentSpecialPage', false ],
 635                         [ 'MediaWiki:Parentheses', true ],
 636                         [ 'MediaWiki:Some nonexistent message', false ],
 637                 ];
 638         }
 639
 640         /**
 641          * @covers Title::isAlwaysKnown
 642          */
 643         public function testIsAlwaysKnownOnInterwiki() {
 644                 $title = Title::makeTitle( NS_MAIN, 'Interwiki link', '', 'externalwiki' );
 645                 $this->assertTrue( $title->isAlwaysKnown() );
 646         }
 647
 648         /**
 649          * @covers Title::exists
 650          */
 651         public function testExists() {
 652                 $title = Title::makeTitle( NS_PROJECT, 'New page' );
 653                 $linkCache = LinkCache::singleton();
 654
 655                 $article = new Article( $title );
 656                 $page = $article->getPage();
 657                 $page->doEditContent( new WikitextContent( 'Some [[link]]' ), 'summary' );
 658
 659                 // Tell Title it doesn't know whether it exists
 660                 $title->mArticleID = -1;
 661
 662                 // Tell the link cache it doesn't exists when it really does
 663                 $linkCache->clearLink( $title );
 664                 $linkCache->addBadLinkObj( $title );
 665
 666                 $this->assertEquals(
 667                         false,
 668                         $title->exists(),
 669                         'exists() should rely on link cache unless GAID_FOR_UPDATE is used'
 670                 );
 671                 $this->assertEquals(
 672                         true,
 673                         $title->exists( Title::GAID_FOR_UPDATE ),
 674                         'exists() should re-query database when GAID_FOR_UPDATE is used'
 675                 );
 676         }
 677
 678         public function provideCanHaveTalkPage() {
 679                 return [
 680                         'User page has talk page' => [
 681                                 Title::makeTitle( NS_USER, 'Jane' ), true
 682                         ],
 683                         'Talke page has talk page' => [
 684                                 Title::makeTitle( NS_TALK, 'Foo' ), true
 685                         ],
 686                         'Special page cannot have talk page' => [
 687                                 Title::makeTitle( NS_SPECIAL, 'Thing' ), false
 688                         ],
 689                         'Virtual namespace cannot have talk page' => [
 690                                 Title::makeTitle( NS_MEDIA, 'Kitten.jpg' ), false
 691                         ],
 692                 ];
 693         }
 694
 695         /**
 696          * @dataProvider provideCanHaveTalkPage
 697          * @covers Title::canHaveTalkPage
 698          *
 699          * @param Title $title
 700          * @param bool $expected
 701          */
 702         public function testCanHaveTalkPage( Title $title, $expected ) {
 703                 $actual = $title->canHaveTalkPage();
 704                 $this->assertSame( $expected, $actual, $title->getPrefixedDBkey() );
 705         }
 706
 707         /**
 708          * @dataProvider provideCanHaveTalkPage
 709          * @covers Title::canTalk
 710          *
 711          * @param Title $title
 712          * @param bool $expected
 713          */
 714         public function testCanTalk( Title $title, $expected ) {
 715                 $actual = $title->canTalk();
 716                 $this->assertSame( $expected, $actual, $title->getPrefixedDBkey() );
 717         }
 718
 719         public static function provideGetTalkPage_good() {
 720                 return [
 721                         [ Title::makeTitle( NS_MAIN, 'Test' ), Title::makeTitle( NS_TALK, 'Test' ) ],
 722                         [ Title::makeTitle( NS_TALK, 'Test' ), Title::makeTitle( NS_TALK, 'Test' ) ],
 723                 ];
 724         }
 725
 726         /**
 727          * @dataProvider provideGetTalkPage_good
 728          * @covers Title::getTalkPage
 729          */
 730         public function testGetTalkPage_good( Title $title, Title $expected ) {
 731                 $talk = $title->getTalkPage();
 732                 $this->assertSame(
 733                         $expected->getPrefixedDBKey(),
 734                         $talk->getPrefixedDBKey(),
 735                         $title->getPrefixedDBKey()
 736                 );
 737         }
 738
 739         /**
 740          * @dataProvider provideGetTalkPage_good
 741          * @covers Title::getTalkPageIfDefined
 742          */
 743         public function testGetTalkPageIfDefined_good( Title $title ) {
 744                 $talk = $title->getTalkPageIfDefined();
 745                 $this->assertInstanceOf(
 746                         Title::class,
 747                         $talk,
 748                         $title->getPrefixedDBKey()
 749                 );
 750         }
 751
 752         public static function provideGetTalkPage_bad() {
 753                 return [
 754                         [ Title::makeTitle( NS_SPECIAL, 'Test' ) ],
 755                         [ Title::makeTitle( NS_MEDIA, 'Test' ) ],
 756                 ];
 757         }
 758
 759         /**
 760          * @dataProvider provideGetTalkPage_bad
 761          * @covers Title::getTalkPageIfDefined
 762          */
 763         public function testGetTalkPageIfDefined_bad( Title $title ) {
 764                 $talk = $title->getTalkPageIfDefined();
 765                 $this->assertNull(
 766                         $talk,
 767                         $title->getPrefixedDBKey()
 768                 );
 769         }
 770
 771         public function provideCreateFragmentTitle() {
 772                 return [
 773                         [ Title::makeTitle( NS_MAIN, 'Test' ), 'foo' ],
 774                         [ Title::makeTitle( NS_TALK, 'Test', 'foo' ), '' ],
 775                         [ Title::makeTitle( NS_CATEGORY, 'Test', 'foo' ), 'bar' ],
 776                         [ Title::makeTitle( NS_MAIN, 'Test1', '', 'interwiki' ), 'baz' ]
 777                 ];
 778         }
 779
 780         /**
 781          * @covers Title::createFragmentTarget
 782          * @dataProvider provideCreateFragmentTitle
 783          */
 784         public function testCreateFragmentTitle( Title $title, $fragment ) {
 785                 $this->mergeMwGlobalArrayValue( 'wgHooks', [
 786                         'InterwikiLoadPrefix' => [
 787                                 function ( $prefix, &$iwdata ) {
 788                                         if ( $prefix === 'interwiki' ) {
 789                                                 $iwdata = [
 790                                                         'iw_url' => 'http://example.com/',
 791                                                         'iw_local' => 0,
 792                                                         'iw_trans' => 0,
 793                                                 ];
 794                                                 return false;
 795                                         }
 796                                 },
 797                         ],
 798                 ] );
 799
 800                 $fragmentTitle = $title->createFragmentTarget( $fragment );
 801
 802                 $this->assertEquals( $title->getNamespace(), $fragmentTitle->getNamespace() );
 803                 $this->assertEquals( $title->getText(), $fragmentTitle->getText() );
 804                 $this->assertEquals( $title->getInterwiki(), $fragmentTitle->getInterwiki() );
 805                 $this->assertEquals( $fragment, $fragmentTitle->getFragment() );
 806         }
 807
 808         public function provideGetPrefixedText() {
 809                 return [
 810                         // ns = 0
 811                         [
 812                                 Title::makeTitle( NS_MAIN, 'Foo bar' ),
 813                                 'Foo bar'
 814                         ],
 815                         // ns = 2
 816                         [
 817                                 Title::makeTitle( NS_USER, 'Foo bar' ),
 818                                 'User:Foo bar'
 819                         ],
 820                         // ns = 3
 821                         [
 822                                 Title::makeTitle( NS_USER_TALK, 'Foo bar' ),
 823                                 'User talk:Foo bar'
 824                         ],
 825                         // fragment not included
 826                         [
 827                                 Title::makeTitle( NS_MAIN, 'Foo bar', 'fragment' ),
 828                                 'Foo bar'
 829                         ],
 830                         // ns = -2
 831                         [
 832                                 Title::makeTitle( NS_MEDIA, 'Foo bar' ),
 833                                 'Media:Foo bar'
 834                         ],
 835                         // non-existent namespace
 836                         [
 837                                 Title::makeTitle( 100777, 'Foo bar' ),
 838                                 'Special:Badtitle/NS100777:Foo bar'
 839                         ],
 840                 ];
 841         }
 842
 843         /**
 844          * @covers Title::getPrefixedText
 845          * @dataProvider provideGetPrefixedText
 846          */
 847         public function testGetPrefixedText( Title $title, $expected ) {
 848                 $this->assertEquals( $expected, $title->getPrefixedText() );
 849         }
 850
 851         public function provideGetPrefixedDBKey() {
 852                 return [
 853                         // ns = 0
 854                         [
 855                                 Title::makeTitle( NS_MAIN, 'Foo_bar' ),
 856                                 'Foo_bar'
 857                         ],
 858                         // ns = 2
 859                         [
 860                                 Title::makeTitle( NS_USER, 'Foo_bar' ),
 861                                 'User:Foo_bar'
 862                         ],
 863                         // ns = 3
 864                         [
 865                                 Title::makeTitle( NS_USER_TALK, 'Foo_bar' ),
 866                                 'User_talk:Foo_bar'
 867                         ],
 868                         // fragment not included
 869                         [
 870                                 Title::makeTitle( NS_MAIN, 'Foo_bar', 'fragment' ),
 871                                 'Foo_bar'
 872                         ],
 873                         // ns = -2
 874                         [
 875                                 Title::makeTitle( NS_MEDIA, 'Foo_bar' ),
 876                                 'Media:Foo_bar'
 877                         ],
 878                         // non-existent namespace
 879                         [
 880                                 Title::makeTitle( 100777, 'Foo_bar' ),
 881                                 'Special:Badtitle/NS100777:Foo_bar'
 882                         ],
 883                 ];
 884         }
 885
 886         /**
 887          * @covers Title::getPrefixedDBKey
 888          * @dataProvider provideGetPrefixedDBKey
 889          */
 890         public function testGetPrefixedDBKey( Title $title, $expected ) {
 891                 $this->assertEquals( $expected, $title->getPrefixedDBkey() );
 892         }
 893 }