tests/phpunit/includes/RevisionTest.php

   1 <?php
   2
   3 /**
   4  * @group ContentHandler
   5  */
   6 class RevisionTest extends MediaWikiTestCase {
   7         protected function setUp() {
   8                 global $wgContLang;
   9
  10                 parent::setUp();
  11
  12                 $this->setMwGlobals( [
  13                         'wgContLang' => Language::factory( 'en' ),
  14                         'wgLanguageCode' => 'en',
  15                         'wgLegacyEncoding' => false,
  16                         'wgCompressRevisions' => false,
  17
  18                         'wgContentHandlerTextFallback' => 'ignore',
  19                 ] );
  20
  21                 $this->mergeMwGlobalArrayValue(
  22                         'wgExtraNamespaces',
  23                         [
  24                                 12312 => 'Dummy',
  25                                 12313 => 'Dummy_talk',
  26                         ]
  27                 );
  28
  29                 $this->mergeMwGlobalArrayValue(
  30                         'wgNamespaceContentModels',
  31                         [
  32                                 12312 => 'testing',
  33                         ]
  34                 );
  35
  36                 $this->mergeMwGlobalArrayValue(
  37                         'wgContentHandlers',
  38                         [
  39                                 'testing' => 'DummyContentHandlerForTesting',
  40                                 'RevisionTestModifyableContent' => 'RevisionTestModifyableContentHandler',
  41                         ]
  42                 );
  43
  44                 MWNamespace::getCanonicalNamespaces( true ); # reset namespace cache
  45                 $wgContLang->resetNamespaces(); # reset namespace cache
  46         }
  47
  48         function tearDown() {
  49                 global $wgContLang;
  50
  51                 MWNamespace::getCanonicalNamespaces( true ); # reset namespace cache
  52                 $wgContLang->resetNamespaces(); # reset namespace cache
  53
  54                 parent::tearDown();
  55         }
  56
  57         /**
  58          * @covers Revision::getRevisionText
  59          */
  60         public function testGetRevisionText() {
  61                 $row = new stdClass;
  62                 $row->old_flags = '';
  63                 $row->old_text = 'This is a bunch of revision text.';
  64                 $this->assertEquals(
  65                         'This is a bunch of revision text.',
  66                         Revision::getRevisionText( $row ) );
  67         }
  68
  69         /**
  70          * @covers Revision::getRevisionText
  71          */
  72         public function testGetRevisionTextGzip() {
  73                 $this->checkPHPExtension( 'zlib' );
  74
  75                 $row = new stdClass;
  76                 $row->old_flags = 'gzip';
  77                 $row->old_text = gzdeflate( 'This is a bunch of revision text.' );
  78                 $this->assertEquals(
  79                         'This is a bunch of revision text.',
  80                         Revision::getRevisionText( $row ) );
  81         }
  82
  83         /**
  84          * @covers Revision::getRevisionText
  85          */
  86         public function testGetRevisionTextUtf8Native() {
  87                 $row = new stdClass;
  88                 $row->old_flags = 'utf-8';
  89                 $row->old_text = "Wiki est l'\xc3\xa9cole superieur !";
  90                 $GLOBALS['wgLegacyEncoding'] = 'iso-8859-1';
  91                 $this->assertEquals(
  92                         "Wiki est l'\xc3\xa9cole superieur !",
  93                         Revision::getRevisionText( $row ) );
  94         }
  95
  96         /**
  97          * @covers Revision::getRevisionText
  98          */
  99         public function testGetRevisionTextUtf8Legacy() {
 100                 $row = new stdClass;
 101                 $row->old_flags = '';
 102                 $row->old_text = "Wiki est l'\xe9cole superieur !";
 103                 $GLOBALS['wgLegacyEncoding'] = 'iso-8859-1';
 104                 $this->assertEquals(
 105                         "Wiki est l'\xc3\xa9cole superieur !",
 106                         Revision::getRevisionText( $row ) );
 107         }
 108
 109         /**
 110          * @covers Revision::getRevisionText
 111          */
 112         public function testGetRevisionTextUtf8NativeGzip() {
 113                 $this->checkPHPExtension( 'zlib' );
 114
 115                 $row = new stdClass;
 116                 $row->old_flags = 'gzip,utf-8';
 117                 $row->old_text = gzdeflate( "Wiki est l'\xc3\xa9cole superieur !" );
 118                 $GLOBALS['wgLegacyEncoding'] = 'iso-8859-1';
 119                 $this->assertEquals(
 120                         "Wiki est l'\xc3\xa9cole superieur !",
 121                         Revision::getRevisionText( $row ) );
 122         }
 123
 124         /**
 125          * @covers Revision::getRevisionText
 126          */
 127         public function testGetRevisionTextUtf8LegacyGzip() {
 128                 $this->checkPHPExtension( 'zlib' );
 129
 130                 $row = new stdClass;
 131                 $row->old_flags = 'gzip';
 132                 $row->old_text = gzdeflate( "Wiki est l'\xe9cole superieur !" );
 133                 $GLOBALS['wgLegacyEncoding'] = 'iso-8859-1';
 134                 $this->assertEquals(
 135                         "Wiki est l'\xc3\xa9cole superieur !",
 136                         Revision::getRevisionText( $row ) );
 137         }
 138
 139         /**
 140          * @covers Revision::compressRevisionText
 141          */
 142         public function testCompressRevisionTextUtf8() {
 143                 $row = new stdClass;
 144                 $row->old_text = "Wiki est l'\xc3\xa9cole superieur !";
 145                 $row->old_flags = Revision::compressRevisionText( $row->old_text );
 146                 $this->assertTrue( false !== strpos( $row->old_flags, 'utf-8' ),
 147                         "Flags should contain 'utf-8'" );
 148                 $this->assertFalse( false !== strpos( $row->old_flags, 'gzip' ),
 149                         "Flags should not contain 'gzip'" );
 150                 $this->assertEquals( "Wiki est l'\xc3\xa9cole superieur !",
 151                         $row->old_text, "Direct check" );
 152                 $this->assertEquals( "Wiki est l'\xc3\xa9cole superieur !",
 153                         Revision::getRevisionText( $row ), "getRevisionText" );
 154         }
 155
 156         /**
 157          * @covers Revision::compressRevisionText
 158          */
 159         public function testCompressRevisionTextUtf8Gzip() {
 160                 $this->checkPHPExtension( 'zlib' );
 161                 $this->setMwGlobals( 'wgCompressRevisions', true );
 162
 163                 $row = new stdClass;
 164                 $row->old_text = "Wiki est l'\xc3\xa9cole superieur !";
 165                 $row->old_flags = Revision::compressRevisionText( $row->old_text );
 166                 $this->assertTrue( false !== strpos( $row->old_flags, 'utf-8' ),
 167                         "Flags should contain 'utf-8'" );
 168                 $this->assertTrue( false !== strpos( $row->old_flags, 'gzip' ),
 169                         "Flags should contain 'gzip'" );
 170                 $this->assertEquals( "Wiki est l'\xc3\xa9cole superieur !",
 171                         gzinflate( $row->old_text ), "Direct check" );
 172                 $this->assertEquals( "Wiki est l'\xc3\xa9cole superieur !",
 173                         Revision::getRevisionText( $row ), "getRevisionText" );
 174         }
 175
 176         # =========================================================================
 177
 178         /**
 179          * @param string $text
 180          * @param string $title
 181          * @param string $model
 182          * @param string $format
 183          *
 184          * @return Revision
 185          */
 186         function newTestRevision( $text, $title = "Test",
 187                 $model = CONTENT_MODEL_WIKITEXT, $format = null
 188         ) {
 189                 if ( is_string( $title ) ) {
 190                         $title = Title::newFromText( $title );
 191                 }
 192
 193                 $content = ContentHandler::makeContent( $text, $title, $model, $format );
 194
 195                 $rev = new Revision(
 196                         [
 197                                 'id' => 42,
 198                                 'page' => 23,
 199                                 'title' => $title,
 200
 201                                 'content' => $content,
 202                                 'length' => $content->getSize(),
 203                                 'comment' => "testing",
 204                                 'minor_edit' => false,
 205
 206                                 'content_format' => $format,
 207                         ]
 208                 );
 209
 210                 return $rev;
 211         }
 212
 213         function dataGetContentModel() {
 214                 // NOTE: we expect the help namespace to always contain wikitext
 215                 return [
 216                         [ 'hello world', 'Help:Hello', null, null, CONTENT_MODEL_WIKITEXT ],
 217                         [ 'hello world', 'User:hello/there.css', null, null, CONTENT_MODEL_CSS ],
 218                         [ serialize( 'hello world' ), 'Dummy:Hello', null, null, "testing" ],
 219                 ];
 220         }
 221
 222         /**
 223          * @group Database
 224          * @dataProvider dataGetContentModel
 225          * @covers Revision::getContentModel
 226          */
 227         public function testGetContentModel( $text, $title, $model, $format, $expectedModel ) {
 228                 $rev = $this->newTestRevision( $text, $title, $model, $format );
 229
 230                 $this->assertEquals( $expectedModel, $rev->getContentModel() );
 231         }
 232
 233         function dataGetContentFormat() {
 234                 // NOTE: we expect the help namespace to always contain wikitext
 235                 return [
 236                         [ 'hello world', 'Help:Hello', null, null, CONTENT_FORMAT_WIKITEXT ],
 237                         [ 'hello world', 'Help:Hello', CONTENT_MODEL_CSS, null, CONTENT_FORMAT_CSS ],
 238                         [ 'hello world', 'User:hello/there.css', null, null, CONTENT_FORMAT_CSS ],
 239                         [ serialize( 'hello world' ), 'Dummy:Hello', null, null, "testing" ],
 240                 ];
 241         }
 242
 243         /**
 244          * @group Database
 245          * @dataProvider dataGetContentFormat
 246          * @covers Revision::getContentFormat
 247          */
 248         public function testGetContentFormat( $text, $title, $model, $format, $expectedFormat ) {
 249                 $rev = $this->newTestRevision( $text, $title, $model, $format );
 250
 251                 $this->assertEquals( $expectedFormat, $rev->getContentFormat() );
 252         }
 253
 254         function dataGetContentHandler() {
 255                 // NOTE: we expect the help namespace to always contain wikitext
 256                 return [
 257                         [ 'hello world', 'Help:Hello', null, null, 'WikitextContentHandler' ],
 258                         [ 'hello world', 'User:hello/there.css', null, null, 'CssContentHandler' ],
 259                         [ serialize( 'hello world' ), 'Dummy:Hello', null, null, 'DummyContentHandlerForTesting' ],
 260                 ];
 261         }
 262
 263         /**
 264          * @group Database
 265          * @dataProvider dataGetContentHandler
 266          * @covers Revision::getContentHandler
 267          */
 268         public function testGetContentHandler( $text, $title, $model, $format, $expectedClass ) {
 269                 $rev = $this->newTestRevision( $text, $title, $model, $format );
 270
 271                 $this->assertEquals( $expectedClass, get_class( $rev->getContentHandler() ) );
 272         }
 273
 274         function dataGetContent() {
 275                 // NOTE: we expect the help namespace to always contain wikitext
 276                 return [
 277                         [ 'hello world', 'Help:Hello', null, null, Revision::FOR_PUBLIC, 'hello world' ],
 278                         [
 279                                 serialize( 'hello world' ),
 280                                 'Hello',
 281                                 "testing",
 282                                 null,
 283                                 Revision::FOR_PUBLIC,
 284                                 serialize( 'hello world' )
 285                         ],
 286                         [
 287                                 serialize( 'hello world' ),
 288                                 'Dummy:Hello',
 289                                 null,
 290                                 null,
 291                                 Revision::FOR_PUBLIC,
 292                                 serialize( 'hello world' )
 293                         ],
 294                 ];
 295         }
 296
 297         /**
 298          * @group Database
 299          * @dataProvider dataGetContent
 300          * @covers Revision::getContent
 301          */
 302         public function testGetContent( $text, $title, $model, $format,
 303                 $audience, $expectedSerialization
 304         ) {
 305                 $rev = $this->newTestRevision( $text, $title, $model, $format );
 306                 $content = $rev->getContent( $audience );
 307
 308                 $this->assertEquals(
 309                         $expectedSerialization,
 310                         is_null( $content ) ? null : $content->serialize( $format )
 311                 );
 312         }
 313
 314         public function dataGetSize() {
 315                 return [
 316                         [ "hello world.", CONTENT_MODEL_WIKITEXT, 12 ],
 317                         [ serialize( "hello world." ), "testing", 12 ],
 318                 ];
 319         }
 320
 321         /**
 322          * @covers Revision::getSize
 323          * @group Database
 324          * @dataProvider dataGetSize
 325          */
 326         public function testGetSize( $text, $model, $expected_size ) {
 327                 $rev = $this->newTestRevision( $text, 'RevisionTest_testGetSize', $model );
 328                 $this->assertEquals( $expected_size, $rev->getSize() );
 329         }
 330
 331         public function dataGetSha1() {
 332                 return [
 333                         [ "hello world.", CONTENT_MODEL_WIKITEXT, Revision::base36Sha1( "hello world." ) ],
 334                         [
 335                                 serialize( "hello world." ),
 336                                 "testing",
 337                                 Revision::base36Sha1( serialize( "hello world." ) )
 338                         ],
 339                 ];
 340         }
 341
 342         /**
 343          * @covers Revision::getSha1
 344          * @group Database
 345          * @dataProvider dataGetSha1
 346          */
 347         public function testGetSha1( $text, $model, $expected_hash ) {
 348                 $rev = $this->newTestRevision( $text, 'RevisionTest_testGetSha1', $model );
 349                 $this->assertEquals( $expected_hash, $rev->getSha1() );
 350         }
 351
 352         /**
 353          * @covers Revision::__construct
 354          */
 355         public function testConstructWithText() {
 356                 $rev = new Revision( [
 357                         'text' => 'hello world.',
 358                         'content_model' => CONTENT_MODEL_JAVASCRIPT
 359                 ] );
 360
 361                 $this->assertNotNull( $rev->getContent(), 'no content object available' );
 362                 $this->assertEquals( CONTENT_MODEL_JAVASCRIPT, $rev->getContent()->getModel() );
 363                 $this->assertEquals( CONTENT_MODEL_JAVASCRIPT, $rev->getContentModel() );
 364         }
 365
 366         /**
 367          * @covers Revision::__construct
 368          */
 369         public function testConstructWithContent() {
 370                 $title = Title::newFromText( 'RevisionTest_testConstructWithContent' );
 371
 372                 $rev = new Revision( [
 373                         'content' => ContentHandler::makeContent( 'hello world.', $title, CONTENT_MODEL_JAVASCRIPT ),
 374                 ] );
 375
 376                 $this->assertNotNull( $rev->getContent(), 'no content object available' );
 377                 $this->assertEquals( CONTENT_MODEL_JAVASCRIPT, $rev->getContent()->getModel() );
 378                 $this->assertEquals( CONTENT_MODEL_JAVASCRIPT, $rev->getContentModel() );
 379         }
 380
 381         /**
 382          * Tests whether $rev->getContent() returns a clone when needed.
 383          *
 384          * @group Database
 385          * @covers Revision::getContent
 386          */
 387         public function testGetContentClone() {
 388                 $content = new RevisionTestModifyableContent( "foo" );
 389
 390                 $rev = new Revision(
 391                         [
 392                                 'id' => 42,
 393                                 'page' => 23,
 394                                 'title' => Title::newFromText( "testGetContentClone_dummy" ),
 395
 396                                 'content' => $content,
 397                                 'length' => $content->getSize(),
 398                                 'comment' => "testing",
 399                                 'minor_edit' => false,
 400                         ]
 401                 );
 402
 403                 $content = $rev->getContent( Revision::RAW );
 404                 $content->setText( "bar" );
 405
 406                 $content2 = $rev->getContent( Revision::RAW );
 407                 // content is mutable, expect clone
 408                 $this->assertNotSame( $content, $content2, "expected a clone" );
 409                 // clone should contain the original text
 410                 $this->assertEquals( "foo", $content2->getText() );
 411
 412                 $content2->setText( "bla bla" );
 413                 $this->assertEquals( "bar", $content->getText() ); // clones should be independent
 414         }
 415
 416         /**
 417          * Tests whether $rev->getContent() returns the same object repeatedly if appropriate.
 418          *
 419          * @group Database
 420          * @covers Revision::getContent
 421          */
 422         public function testGetContentUncloned() {
 423                 $rev = $this->newTestRevision( "hello", "testGetContentUncloned_dummy", CONTENT_MODEL_WIKITEXT );
 424                 $content = $rev->getContent( Revision::RAW );
 425                 $content2 = $rev->getContent( Revision::RAW );
 426
 427                 // for immutable content like wikitext, this should be the same object
 428                 $this->assertSame( $content, $content2 );
 429         }
 430 }
 431
 432 class RevisionTestModifyableContent extends TextContent {
 433         public function __construct( $text ) {
 434                 parent::__construct( $text, "RevisionTestModifyableContent" );
 435         }
 436
 437         public function copy() {
 438                 return new RevisionTestModifyableContent( $this->mText );
 439         }
 440
 441         public function getText() {
 442                 return $this->mText;
 443         }
 444
 445         public function setText( $text ) {
 446                 $this->mText = $text;
 447         }
 448 }
 449
 450 class RevisionTestModifyableContentHandler extends TextContentHandler {
 451
 452         public function __construct() {
 453                 parent::__construct( "RevisionTestModifyableContent", [ CONTENT_FORMAT_TEXT ] );
 454         }
 455
 456         public function unserializeContent( $text, $format = null ) {
 457                 $this->checkFormat( $format );
 458
 459                 return new RevisionTestModifyableContent( $text );
 460         }
 461
 462         public function makeEmptyContent() {
 463                 return new RevisionTestModifyableContent( '' );
 464         }
 465 }