tests/phpunit/includes/RevisionTest.php

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