tests/phpunit/includes/MWNamespaceTest.php

   1 <?php
   2 /**
   3  * @author Antoine Musso
   4  * @copyright Copyright © 2011, Antoine Musso
   5  * @file
   6  */
   7
   8 /**
   9  * Test class for MWNamespace.
  10  * @todo covers tags
  11  * @todo FIXME: this test file is a mess
  12  */
  13 class MWNamespaceTest extends MediaWikiTestCase {
  14         protected function setUp() {
  15                 parent::setUp();
  16
  17                 $this->setMwGlobals( [
  18                         'wgContentNamespaces' => [ NS_MAIN ],
  19                         'wgNamespacesWithSubpages' => [
  20                                 NS_TALK => true,
  21                                 NS_USER => true,
  22                                 NS_USER_TALK => true,
  23                         ],
  24                         'wgCapitalLinks' => true,
  25                         'wgCapitalLinkOverrides' => [],
  26                         'wgNonincludableNamespaces' => [],
  27                 ] );
  28         }
  29
  30 # ### START OF TESTS #########################################################
  31
  32         /**
  33          * @todo Write more texts, handle $wgAllowImageMoving setting
  34          * @covers MWNamespace::isMovable
  35          */
  36         public function testIsMovable() {
  37                 $this->assertFalse( MWNamespace::isMovable( NS_SPECIAL ) );
  38                 # @todo FIXME: Write more tests!!
  39         }
  40
  41         /**
  42          * Please make sure to change testIsTalk() if you change the assertions below
  43          * @covers MWNamespace::isSubject
  44          */
  45         public function testIsSubject() {
  46                 // Special namespaces
  47                 $this->assertIsSubject( NS_MEDIA );
  48                 $this->assertIsSubject( NS_SPECIAL );
  49
  50                 // Subject pages
  51                 $this->assertIsSubject( NS_MAIN );
  52                 $this->assertIsSubject( NS_USER );
  53                 $this->assertIsSubject( 100 ); # user defined
  54
  55                 // Talk pages
  56                 $this->assertIsNotSubject( NS_TALK );
  57                 $this->assertIsNotSubject( NS_USER_TALK );
  58                 $this->assertIsNotSubject( 101 ); # user defined
  59         }
  60
  61         /**
  62          * Reverse of testIsSubject().
  63          * Please update testIsSubject() if you change assertions below
  64          * @covers MWNamespace::isTalk
  65          */
  66         public function testIsTalk() {
  67                 // Special namespaces
  68                 $this->assertIsNotTalk( NS_MEDIA );
  69                 $this->assertIsNotTalk( NS_SPECIAL );
  70
  71                 // Subject pages
  72                 $this->assertIsNotTalk( NS_MAIN );
  73                 $this->assertIsNotTalk( NS_USER );
  74                 $this->assertIsNotTalk( 100 ); # user defined
  75
  76                 // Talk pages
  77                 $this->assertIsTalk( NS_TALK );
  78                 $this->assertIsTalk( NS_USER_TALK );
  79                 $this->assertIsTalk( 101 ); # user defined
  80         }
  81
  82         /**
  83          * @covers MWNamespace::getSubject
  84          */
  85         public function testGetSubject() {
  86                 // Special namespaces are their own subjects
  87                 $this->assertEquals( NS_MEDIA, MWNamespace::getSubject( NS_MEDIA ) );
  88                 $this->assertEquals( NS_SPECIAL, MWNamespace::getSubject( NS_SPECIAL ) );
  89
  90                 $this->assertEquals( NS_MAIN, MWNamespace::getSubject( NS_TALK ) );
  91                 $this->assertEquals( NS_USER, MWNamespace::getSubject( NS_USER_TALK ) );
  92         }
  93
  94         /**
  95          * Regular getTalk() calls
  96          * Namespaces without a talk page (NS_MEDIA, NS_SPECIAL) are tested in
  97          * the function testGetTalkExceptions()
  98          * @covers MWNamespace::getTalk
  99          */
 100         public function testGetTalk() {
 101                 $this->assertEquals( NS_TALK, MWNamespace::getTalk( NS_MAIN ) );
 102                 $this->assertEquals( NS_TALK, MWNamespace::getTalk( NS_TALK ) );
 103                 $this->assertEquals( NS_USER_TALK, MWNamespace::getTalk( NS_USER ) );
 104                 $this->assertEquals( NS_USER_TALK, MWNamespace::getTalk( NS_USER_TALK ) );
 105         }
 106
 107         /**
 108          * Exceptions with getTalk()
 109          * NS_MEDIA does not have talk pages. MediaWiki raise an exception for them.
 110          * @expectedException MWException
 111          * @covers MWNamespace::getTalk
 112          */
 113         public function testGetTalkExceptionsForNsMedia() {
 114                 $this->assertNull( MWNamespace::getTalk( NS_MEDIA ) );
 115         }
 116
 117         /**
 118          * Exceptions with getTalk()
 119          * NS_SPECIAL does not have talk pages. MediaWiki raise an exception for them.
 120          * @expectedException MWException
 121          * @covers MWNamespace::getTalk
 122          */
 123         public function testGetTalkExceptionsForNsSpecial() {
 124                 $this->assertNull( MWNamespace::getTalk( NS_SPECIAL ) );
 125         }
 126
 127         /**
 128          * Regular getAssociated() calls
 129          * Namespaces without an associated page (NS_MEDIA, NS_SPECIAL) are tested in
 130          * the function testGetAssociatedExceptions()
 131          * @covers MWNamespace::getAssociated
 132          */
 133         public function testGetAssociated() {
 134                 $this->assertEquals( NS_TALK, MWNamespace::getAssociated( NS_MAIN ) );
 135                 $this->assertEquals( NS_MAIN, MWNamespace::getAssociated( NS_TALK ) );
 136         }
 137
 138         # ## Exceptions with getAssociated()
 139         # ## NS_MEDIA and NS_SPECIAL do not have talk pages. MediaWiki raises
 140         # ## an exception for them.
 141         /**
 142          * @expectedException MWException
 143          * @covers MWNamespace::getAssociated
 144          */
 145         public function testGetAssociatedExceptionsForNsMedia() {
 146                 $this->assertNull( MWNamespace::getAssociated( NS_MEDIA ) );
 147         }
 148
 149         /**
 150          * @expectedException MWException
 151          * @covers MWNamespace::getAssociated
 152          */
 153         public function testGetAssociatedExceptionsForNsSpecial() {
 154                 $this->assertNull( MWNamespace::getAssociated( NS_SPECIAL ) );
 155         }
 156
 157         /**
 158          * @todo Implement testExists().
 159          */
 160         /*
 161         public function testExists() {
 162                 // Remove the following lines when you implement this test.
 163                 $this->markTestIncomplete(
 164                         'This test has not been implemented yet. Rely on $wgCanonicalNamespaces.'
 165                 );
 166         }
 167         */
 168
 169         /**
 170          * Test MWNamespace::equals
 171          * Note if we add a namespace registration system with keys like 'MAIN'
 172          * we should add tests here for equivilance on things like 'MAIN' == 0
 173          * and 'MAIN' == NS_MAIN.
 174          * @covers MWNamespace::equals
 175          */
 176         public function testEquals() {
 177                 $this->assertTrue( MWNamespace::equals( NS_MAIN, NS_MAIN ) );
 178                 $this->assertTrue( MWNamespace::equals( NS_MAIN, 0 ) ); // In case we make NS_MAIN 'MAIN'
 179                 $this->assertTrue( MWNamespace::equals( NS_USER, NS_USER ) );
 180                 $this->assertTrue( MWNamespace::equals( NS_USER, 2 ) );
 181                 $this->assertTrue( MWNamespace::equals( NS_USER_TALK, NS_USER_TALK ) );
 182                 $this->assertTrue( MWNamespace::equals( NS_SPECIAL, NS_SPECIAL ) );
 183                 $this->assertFalse( MWNamespace::equals( NS_MAIN, NS_TALK ) );
 184                 $this->assertFalse( MWNamespace::equals( NS_USER, NS_USER_TALK ) );
 185                 $this->assertFalse( MWNamespace::equals( NS_PROJECT, NS_TEMPLATE ) );
 186         }
 187
 188         /**
 189          * @covers MWNamespace::subjectEquals
 190          */
 191         public function testSubjectEquals() {
 192                 $this->assertSameSubject( NS_MAIN, NS_MAIN );
 193                 $this->assertSameSubject( NS_MAIN, 0 ); // In case we make NS_MAIN 'MAIN'
 194                 $this->assertSameSubject( NS_USER, NS_USER );
 195                 $this->assertSameSubject( NS_USER, 2 );
 196                 $this->assertSameSubject( NS_USER_TALK, NS_USER_TALK );
 197                 $this->assertSameSubject( NS_SPECIAL, NS_SPECIAL );
 198                 $this->assertSameSubject( NS_MAIN, NS_TALK );
 199                 $this->assertSameSubject( NS_USER, NS_USER_TALK );
 200
 201                 $this->assertDifferentSubject( NS_PROJECT, NS_TEMPLATE );
 202                 $this->assertDifferentSubject( NS_SPECIAL, NS_MAIN );
 203         }
 204
 205         /**
 206          * @covers MWNamespace::subjectEquals
 207          */
 208         public function testSpecialAndMediaAreDifferentSubjects() {
 209                 $this->assertDifferentSubject(
 210                         NS_MEDIA, NS_SPECIAL,
 211                         "NS_MEDIA and NS_SPECIAL are different subject namespaces"
 212                 );
 213                 $this->assertDifferentSubject(
 214                         NS_SPECIAL, NS_MEDIA,
 215                         "NS_SPECIAL and NS_MEDIA are different subject namespaces"
 216                 );
 217         }
 218
 219         /**
 220          * @todo Implement testGetCanonicalNamespaces().
 221          */
 222         /*
 223         public function testGetCanonicalNamespaces() {
 224                 // Remove the following lines when you implement this test.
 225                 $this->markTestIncomplete(
 226                         'This test has not been implemented yet. Rely on $wgCanonicalNamespaces.'
 227                 );
 228         }
 229         */
 230         /**
 231          * @todo Implement testGetCanonicalName().
 232          */
 233         /*
 234                 public function testGetCanonicalName() {
 235                         // Remove the following lines when you implement this test.
 236                         $this->markTestIncomplete(
 237                                 'This test has not been implemented yet. Rely on $wgCanonicalNamespaces.'
 238                         );
 239                 }
 240         */
 241         /**
 242          * @todo Implement testGetCanonicalIndex().
 243          */
 244         /*
 245         public function testGetCanonicalIndex() {
 246                 // Remove the following lines when you implement this test.
 247                 $this->markTestIncomplete(
 248                         'This test has not been implemented yet. Rely on $wgCanonicalNamespaces.'
 249                 );
 250         }
 251         */
 252
 253         /**
 254          * @todo Implement testGetValidNamespaces().
 255          */
 256         /*
 257         public function testGetValidNamespaces() {
 258                 // Remove the following lines when you implement this test.
 259                 $this->markTestIncomplete(
 260                         'This test has not been implemented yet. Rely on $wgCanonicalNamespaces.'
 261                 );
 262         }
 263         */
 264
 265         public function provideHasTalkNamespace() {
 266                 return [
 267                         [ NS_MEDIA, false ],
 268                         [ NS_SPECIAL, false ],
 269
 270                         [ NS_MAIN, true ],
 271                         [ NS_TALK, true ],
 272                         [ NS_USER, true ],
 273                         [ NS_USER_TALK, true ],
 274
 275                         [ 100, true ],
 276                         [ 101, true ],
 277                 ];
 278         }
 279
 280         /**
 281          * @dataProvider provideHasTalkNamespace
 282          * @covers MWNamespace::hasTalkNamespace
 283          *
 284          * @param int $index
 285          * @param bool $expected
 286          */
 287         public function testHasTalkNamespace( $index, $expected ) {
 288                 $actual = MWNamespace::hasTalkNamespace( $index );
 289                 $this->assertSame( $actual, $expected, "NS $index" );
 290         }
 291
 292         /**
 293          * @dataProvider provideHasTalkNamespace
 294          * @covers MWNamespace::canTalk
 295          *
 296          * @param int $index
 297          * @param bool $expected
 298          */
 299         public function testCanTalk( $index, $expected ) {
 300                 $actual = MWNamespace::canTalk( $index );
 301                 $this->assertSame( $actual, $expected, "NS $index" );
 302         }
 303
 304         /**
 305          * @covers MWNamespace::isContent
 306          */
 307         public function testIsContent() {
 308                 // NS_MAIN is a content namespace per DefaultSettings.php
 309                 // and per function definition.
 310
 311                 $this->assertIsContent( NS_MAIN );
 312
 313                 // Other namespaces which are not expected to be content
 314
 315                 $this->assertIsNotContent( NS_MEDIA );
 316                 $this->assertIsNotContent( NS_SPECIAL );
 317                 $this->assertIsNotContent( NS_TALK );
 318                 $this->assertIsNotContent( NS_USER );
 319                 $this->assertIsNotContent( NS_CATEGORY );
 320                 $this->assertIsNotContent( 100 );
 321         }
 322
 323         /**
 324          * Similar to testIsContent() but alters the $wgContentNamespaces
 325          * global variable.
 326          * @covers MWNamespace::isContent
 327          */
 328         public function testIsContentAdvanced() {
 329                 global $wgContentNamespaces;
 330
 331                 // Test that user defined namespace #252 is not content
 332                 $this->assertIsNotContent( 252 );
 333
 334                 // Bless namespace # 252 as a content namespace
 335                 $wgContentNamespaces[] = 252;
 336
 337                 $this->assertIsContent( 252 );
 338
 339                 // Makes sure NS_MAIN was not impacted
 340                 $this->assertIsContent( NS_MAIN );
 341         }
 342
 343         /**
 344          * @covers MWNamespace::isWatchable
 345          */
 346         public function testIsWatchable() {
 347                 // Specials namespaces are not watchable
 348                 $this->assertIsNotWatchable( NS_MEDIA );
 349                 $this->assertIsNotWatchable( NS_SPECIAL );
 350
 351                 // Core defined namespaces are watchables
 352                 $this->assertIsWatchable( NS_MAIN );
 353                 $this->assertIsWatchable( NS_TALK );
 354
 355                 // Additional, user defined namespaces are watchables
 356                 $this->assertIsWatchable( 100 );
 357                 $this->assertIsWatchable( 101 );
 358         }
 359
 360         /**
 361          * @covers MWNamespace::hasSubpages
 362          */
 363         public function testHasSubpages() {
 364                 global $wgNamespacesWithSubpages;
 365
 366                 // Special namespaces:
 367                 $this->assertHasNotSubpages( NS_MEDIA );
 368                 $this->assertHasNotSubpages( NS_SPECIAL );
 369
 370                 // Namespaces without subpages
 371                 $this->assertHasNotSubpages( NS_MAIN );
 372
 373                 $wgNamespacesWithSubpages[NS_MAIN] = true;
 374                 $this->assertHasSubpages( NS_MAIN );
 375
 376                 $wgNamespacesWithSubpages[NS_MAIN] = false;
 377                 $this->assertHasNotSubpages( NS_MAIN );
 378
 379                 // Some namespaces with subpages
 380                 $this->assertHasSubpages( NS_TALK );
 381                 $this->assertHasSubpages( NS_USER );
 382                 $this->assertHasSubpages( NS_USER_TALK );
 383         }
 384
 385         /**
 386          * @covers MWNamespace::getContentNamespaces
 387          */
 388         public function testGetContentNamespaces() {
 389                 global $wgContentNamespaces;
 390
 391                 $this->assertEquals(
 392                         [ NS_MAIN ],
 393                         MWNamespace::getContentNamespaces(),
 394                         '$wgContentNamespaces is an array with only NS_MAIN by default'
 395                 );
 396
 397                 # test !is_array( $wgcontentNamespaces )
 398                 $wgContentNamespaces = '';
 399                 $this->assertEquals( [ NS_MAIN ], MWNamespace::getContentNamespaces() );
 400
 401                 $wgContentNamespaces = false;
 402                 $this->assertEquals( [ NS_MAIN ], MWNamespace::getContentNamespaces() );
 403
 404                 $wgContentNamespaces = null;
 405                 $this->assertEquals( [ NS_MAIN ], MWNamespace::getContentNamespaces() );
 406
 407                 $wgContentNamespaces = 5;
 408                 $this->assertEquals( [ NS_MAIN ], MWNamespace::getContentNamespaces() );
 409
 410                 # test $wgContentNamespaces === []
 411                 $wgContentNamespaces = [];
 412                 $this->assertEquals( [ NS_MAIN ], MWNamespace::getContentNamespaces() );
 413
 414                 # test !in_array( NS_MAIN, $wgContentNamespaces )
 415                 $wgContentNamespaces = [ NS_USER, NS_CATEGORY ];
 416                 $this->assertEquals(
 417                         [ NS_MAIN, NS_USER, NS_CATEGORY ],
 418                         MWNamespace::getContentNamespaces(),
 419                         'NS_MAIN is forced in $wgContentNamespaces even if unwanted'
 420                 );
 421
 422                 # test other cases, return $wgcontentNamespaces as is
 423                 $wgContentNamespaces = [ NS_MAIN ];
 424                 $this->assertEquals(
 425                         [ NS_MAIN ],
 426                         MWNamespace::getContentNamespaces()
 427                 );
 428
 429                 $wgContentNamespaces = [ NS_MAIN, NS_USER, NS_CATEGORY ];
 430                 $this->assertEquals(
 431                         [ NS_MAIN, NS_USER, NS_CATEGORY ],
 432                         MWNamespace::getContentNamespaces()
 433                 );
 434         }
 435
 436         /**
 437          * @covers MWNamespace::getSubjectNamespaces
 438          */
 439         public function testGetSubjectNamespaces() {
 440                 $subjectsNS = MWNamespace::getSubjectNamespaces();
 441                 $this->assertContains( NS_MAIN, $subjectsNS,
 442                         "Talk namespaces should have NS_MAIN" );
 443                 $this->assertNotContains( NS_TALK, $subjectsNS,
 444                         "Talk namespaces should have NS_TALK" );
 445
 446                 $this->assertNotContains( NS_MEDIA, $subjectsNS,
 447                         "Talk namespaces should not have NS_MEDIA" );
 448                 $this->assertNotContains( NS_SPECIAL, $subjectsNS,
 449                         "Talk namespaces should not have NS_SPECIAL" );
 450         }
 451
 452         /**
 453          * @covers MWNamespace::getTalkNamespaces
 454          */
 455         public function testGetTalkNamespaces() {
 456                 $talkNS = MWNamespace::getTalkNamespaces();
 457                 $this->assertContains( NS_TALK, $talkNS,
 458                         "Subject namespaces should have NS_TALK" );
 459                 $this->assertNotContains( NS_MAIN, $talkNS,
 460                         "Subject namespaces should not have NS_MAIN" );
 461
 462                 $this->assertNotContains( NS_MEDIA, $talkNS,
 463                         "Subject namespaces should not have NS_MEDIA" );
 464                 $this->assertNotContains( NS_SPECIAL, $talkNS,
 465                         "Subject namespaces should not have NS_SPECIAL" );
 466         }
 467
 468         /**
 469          * Some namespaces are always capitalized per code definition
 470          * in MWNamespace::$alwaysCapitalizedNamespaces
 471          * @covers MWNamespace::isCapitalized
 472          */
 473         public function testIsCapitalizedHardcodedAssertions() {
 474                 // NS_MEDIA and NS_FILE are treated the same
 475                 $this->assertEquals(
 476                         MWNamespace::isCapitalized( NS_MEDIA ),
 477                         MWNamespace::isCapitalized( NS_FILE ),
 478                         'NS_MEDIA and NS_FILE have same capitalization rendering'
 479                 );
 480
 481                 // Boths are capitalized by default
 482                 $this->assertIsCapitalized( NS_MEDIA );
 483                 $this->assertIsCapitalized( NS_FILE );
 484
 485                 // Always capitalized namespaces
 486                 // @see MWNamespace::$alwaysCapitalizedNamespaces
 487                 $this->assertIsCapitalized( NS_SPECIAL );
 488                 $this->assertIsCapitalized( NS_USER );
 489                 $this->assertIsCapitalized( NS_MEDIAWIKI );
 490         }
 491
 492         /**
 493          * Follows up for testIsCapitalizedHardcodedAssertions() but alter the
 494          * global $wgCapitalLink setting to have extended coverage.
 495          *
 496          * MWNamespace::isCapitalized() rely on two global settings:
 497          *   $wgCapitalLinkOverrides = []; by default
 498          *   $wgCapitalLinks = true; by default
 499          * This function test $wgCapitalLinks
 500          *
 501          * Global setting correctness is tested against the NS_PROJECT and
 502          * NS_PROJECT_TALK namespaces since they are not hardcoded nor specials
 503          * @covers MWNamespace::isCapitalized
 504          */
 505         public function testIsCapitalizedWithWgCapitalLinks() {
 506                 global $wgCapitalLinks;
 507
 508                 $this->assertIsCapitalized( NS_PROJECT );
 509                 $this->assertIsCapitalized( NS_PROJECT_TALK );
 510
 511                 $wgCapitalLinks = false;
 512
 513                 // hardcoded namespaces (see above function) are still capitalized:
 514                 $this->assertIsCapitalized( NS_SPECIAL );
 515                 $this->assertIsCapitalized( NS_USER );
 516                 $this->assertIsCapitalized( NS_MEDIAWIKI );
 517
 518                 // setting is correctly applied
 519                 $this->assertIsNotCapitalized( NS_PROJECT );
 520                 $this->assertIsNotCapitalized( NS_PROJECT_TALK );
 521         }
 522
 523         /**
 524          * Counter part for MWNamespace::testIsCapitalizedWithWgCapitalLinks() now
 525          * testing the $wgCapitalLinkOverrides global.
 526          *
 527          * @todo split groups of assertions in autonomous testing functions
 528          * @covers MWNamespace::isCapitalized
 529          */
 530         public function testIsCapitalizedWithWgCapitalLinkOverrides() {
 531                 global $wgCapitalLinkOverrides;
 532
 533                 // Test default settings
 534                 $this->assertIsCapitalized( NS_PROJECT );
 535                 $this->assertIsCapitalized( NS_PROJECT_TALK );
 536
 537                 // hardcoded namespaces (see above function) are capitalized:
 538                 $this->assertIsCapitalized( NS_SPECIAL );
 539                 $this->assertIsCapitalized( NS_USER );
 540                 $this->assertIsCapitalized( NS_MEDIAWIKI );
 541
 542                 // Hardcoded namespaces remains capitalized
 543                 $wgCapitalLinkOverrides[NS_SPECIAL] = false;
 544                 $wgCapitalLinkOverrides[NS_USER] = false;
 545                 $wgCapitalLinkOverrides[NS_MEDIAWIKI] = false;
 546
 547                 $this->assertIsCapitalized( NS_SPECIAL );
 548                 $this->assertIsCapitalized( NS_USER );
 549                 $this->assertIsCapitalized( NS_MEDIAWIKI );
 550
 551                 $wgCapitalLinkOverrides[NS_PROJECT] = false;
 552                 $this->assertIsNotCapitalized( NS_PROJECT );
 553
 554                 $wgCapitalLinkOverrides[NS_PROJECT] = true;
 555                 $this->assertIsCapitalized( NS_PROJECT );
 556
 557                 unset( $wgCapitalLinkOverrides[NS_PROJECT] );
 558                 $this->assertIsCapitalized( NS_PROJECT );
 559         }
 560
 561         /**
 562          * @covers MWNamespace::hasGenderDistinction
 563          */
 564         public function testHasGenderDistinction() {
 565                 // Namespaces with gender distinctions
 566                 $this->assertTrue( MWNamespace::hasGenderDistinction( NS_USER ) );
 567                 $this->assertTrue( MWNamespace::hasGenderDistinction( NS_USER_TALK ) );
 568
 569                 // Other ones, "genderless"
 570                 $this->assertFalse( MWNamespace::hasGenderDistinction( NS_MEDIA ) );
 571                 $this->assertFalse( MWNamespace::hasGenderDistinction( NS_SPECIAL ) );
 572                 $this->assertFalse( MWNamespace::hasGenderDistinction( NS_MAIN ) );
 573                 $this->assertFalse( MWNamespace::hasGenderDistinction( NS_TALK ) );
 574         }
 575
 576         /**
 577          * @covers MWNamespace::isNonincludable
 578          */
 579         public function testIsNonincludable() {
 580                 global $wgNonincludableNamespaces;
 581
 582                 $wgNonincludableNamespaces = [ NS_USER ];
 583
 584                 $this->assertTrue( MWNamespace::isNonincludable( NS_USER ) );
 585                 $this->assertFalse( MWNamespace::isNonincludable( NS_TEMPLATE ) );
 586         }
 587
 588         # ###### HELPERS ###########################################################
 589         function __call( $method, $args ) {
 590                 // Call the real method if it exists
 591                 if ( method_exists( $this, $method ) ) {
 592                         return $this->$method( $args );
 593                 }
 594
 595                 if ( preg_match(
 596                         '/^assert(Has|Is|Can)(Not|)(Subject|Talk|Watchable|Content|Subpages|Capitalized)$/',
 597                         $method,
 598                         $m
 599                 ) ) {
 600                         # Interprets arguments:
 601                         $ns = $args[0];
 602                         $msg = isset( $args[1] ) ? $args[1] : " dummy message";
 603
 604                         # Forge the namespace constant name:
 605                         if ( $ns === 0 ) {
 606                                 $ns_name = "NS_MAIN";
 607                         } else {
 608                                 $ns_name = "NS_" . strtoupper( MWNamespace::getCanonicalName( $ns ) );
 609                         }
 610                         # ... and the MWNamespace method name
 611                         $nsMethod = strtolower( $m[1] ) . $m[3];
 612
 613                         $expect = ( $m[2] === '' );
 614                         $expect_name = $expect ? 'TRUE' : 'FALSE';
 615
 616                         return $this->assertEquals( $expect,
 617                                 MWNamespace::$nsMethod( $ns, $msg ),
 618                                 "MWNamespace::$nsMethod( $ns_name ) should returns $expect_name"
 619                         );
 620                 }
 621
 622                 throw new Exception( __METHOD__ . " could not find a method named $method\n" );
 623         }
 624
 625         function assertSameSubject( $ns1, $ns2, $msg = '' ) {
 626                 $this->assertTrue( MWNamespace::subjectEquals( $ns1, $ns2, $msg ) );
 627         }
 628
 629         function assertDifferentSubject( $ns1, $ns2, $msg = '' ) {
 630                 $this->assertFalse( MWNamespace::subjectEquals( $ns1, $ns2, $msg ) );
 631         }
 632 }