tests/phpunit/includes/RevisionTest.php

   1 <?php
   2
   3 use MediaWiki\MediaWikiServices;
   4 use MediaWiki\Revision\MutableRevisionRecord;
   5 use MediaWiki\Revision\RevisionAccessException;
   6 use MediaWiki\Revision\RevisionRecord;
   7 use MediaWiki\Revision\RevisionStore;
   8 use MediaWiki\Revision\SlotRecord;
   9 use MediaWiki\Storage\BlobStoreFactory;
  10 use MediaWiki\Storage\SqlBlobStore;
  11 use Wikimedia\Rdbms\IDatabase;
  12 use Wikimedia\Rdbms\LoadBalancer;
  13
  14 /**
  15  * Test cases in RevisionTest should not interact with the Database.
  16  * For test cases that need Database interaction see RevisionDbTestBase.
  17  */
  18 class RevisionTest extends MediaWikiTestCase {
  19
  20         public function setUp() {
  21                 parent::setUp();
  22                 $this->setMwGlobals(
  23                         'wgMultiContentRevisionSchemaMigrationStage',
  24                         SCHEMA_COMPAT_WRITE_BOTH | SCHEMA_COMPAT_READ_NEW
  25                 );
  26         }
  27
  28         public function provideConstructFromArray() {
  29                 yield 'with text' => [
  30                         [
  31                                 'text' => 'hello world.',
  32                                 'content_model' => CONTENT_MODEL_JAVASCRIPT
  33                         ],
  34                 ];
  35                 yield 'with content' => [
  36                         [
  37                                 'content' => new JavaScriptContent( 'hellow world.' )
  38                         ],
  39                 ];
  40                 // FIXME: test with and without user ID, and with a user object.
  41                 // We can't prepare that here though, since we don't yet have a dummy DB
  42         }
  43
  44         /**
  45          * @param string $model
  46          * @return Title
  47          */
  48         public function getMockTitle( $model = CONTENT_MODEL_WIKITEXT ) {
  49                 $mock = $this->getMockBuilder( Title::class )
  50                         ->disableOriginalConstructor()
  51                         ->getMock();
  52                 $mock->expects( $this->any() )
  53                         ->method( 'getNamespace' )
  54                         ->will( $this->returnValue( $this->getDefaultWikitextNS() ) );
  55                 $mock->expects( $this->any() )
  56                         ->method( 'getPrefixedText' )
  57                         ->will( $this->returnValue( 'RevisionTest' ) );
  58                 $mock->expects( $this->any() )
  59                         ->method( 'getDBkey' )
  60                         ->will( $this->returnValue( 'RevisionTest' ) );
  61                 $mock->expects( $this->any() )
  62                         ->method( 'getArticleID' )
  63                         ->will( $this->returnValue( 23 ) );
  64                 $mock->expects( $this->any() )
  65                         ->method( 'getContentModel' )
  66                         ->will( $this->returnValue( $model ) );
  67
  68                 return $mock;
  69         }
  70
  71         /**
  72          * @dataProvider provideConstructFromArray
  73          * @covers Revision::__construct
  74          * @covers \MediaWiki\Revision\RevisionStore::newMutableRevisionFromArray
  75          */
  76         public function testConstructFromArray( $rowArray ) {
  77                 $rev = new Revision( $rowArray, 0, $this->getMockTitle() );
  78                 $this->assertNotNull( $rev->getContent(), 'no content object available' );
  79                 $this->assertEquals( CONTENT_MODEL_JAVASCRIPT, $rev->getContent()->getModel() );
  80                 $this->assertEquals( CONTENT_MODEL_JAVASCRIPT, $rev->getContentModel() );
  81         }
  82
  83         /**
  84          * @covers Revision::__construct
  85          * @covers \MediaWiki\Revision\RevisionStore::newMutableRevisionFromArray
  86          */
  87         public function testConstructFromEmptyArray() {
  88                 $rev = new Revision( [], 0, $this->getMockTitle() );
  89                 $this->assertNull( $rev->getContent(), 'no content object should be available' );
  90         }
  91
  92         /**
  93          * @covers Revision::__construct
  94          * @covers \MediaWiki\Revision\RevisionStore::newMutableRevisionFromArray
  95          */
  96         public function testConstructFromArrayWithBadPageId() {
  97                 Wikimedia\suppressWarnings();
  98                 $rev = new Revision( [ 'page' => 77777777 ] );
  99                 $this->assertSame( 77777777, $rev->getPage() );
 100                 Wikimedia\restoreWarnings();
 101         }
 102
 103         public function provideConstructFromArray_userSetAsExpected() {
 104                 yield 'no user defaults to wgUser' => [
 105                         [
 106                                 'content' => new JavaScriptContent( 'hello world.' ),
 107                         ],
 108                         null,
 109                         null,
 110                 ];
 111                 yield 'user text and id' => [
 112                         [
 113                                 'content' => new JavaScriptContent( 'hello world.' ),
 114                                 'user_text' => 'SomeTextUserName',
 115                                 'user' => 99,
 116
 117                         ],
 118                         99,
 119                         'SomeTextUserName',
 120                 ];
 121                 yield 'user text only' => [
 122                         [
 123                                 'content' => new JavaScriptContent( 'hello world.' ),
 124                                 'user_text' => '111.111.111.111',
 125                         ],
 126                         0,
 127                         '111.111.111.111',
 128                 ];
 129         }
 130
 131         /**
 132          * @dataProvider provideConstructFromArray_userSetAsExpected
 133          * @covers Revision::__construct
 134          * @covers \MediaWiki\Revision\RevisionStore::newMutableRevisionFromArray
 135          *
 136          * @param array $rowArray
 137          * @param mixed $expectedUserId null to expect the current wgUser ID
 138          * @param mixed $expectedUserName null to expect the current wgUser name
 139          */
 140         public function testConstructFromArray_userSetAsExpected(
 141                 array $rowArray,
 142                 $expectedUserId,
 143                 $expectedUserName
 144         ) {
 145                 $testUser = $this->getTestUser()->getUser();
 146                 $this->setMwGlobals( 'wgUser', $testUser );
 147                 if ( $expectedUserId === null ) {
 148                         $expectedUserId = $testUser->getId();
 149                 }
 150                 if ( $expectedUserName === null ) {
 151                         $expectedUserName = $testUser->getName();
 152                 }
 153
 154                 $rev = new Revision( $rowArray, 0, $this->getMockTitle() );
 155                 $this->assertEquals( $expectedUserId, $rev->getUser() );
 156                 $this->assertEquals( $expectedUserName, $rev->getUserText() );
 157         }
 158
 159         public function provideConstructFromArrayThrowsExceptions() {
 160                 yield 'content and text_id both not empty' => [
 161                         [
 162                                 'content' => new WikitextContent( 'GOAT' ),
 163                                 'text_id' => 'someid',
 164                         ],
 165                         new MWException( 'The text_id field is only available in the pre-MCR schema' )
 166                 ];
 167
 168                 yield 'with bad content object (class)' => [
 169                         [ 'content' => new stdClass() ],
 170                         new MWException( 'content field must contain a Content object' )
 171                 ];
 172                 yield 'with bad content object (string)' => [
 173                         [ 'content' => 'ImAGoat' ],
 174                         new MWException( 'content field must contain a Content object' )
 175                 ];
 176                 yield 'bad row format' => [
 177                         'imastring, not a row',
 178                         new InvalidArgumentException(
 179                                 '$row must be a row object, an associative array, or a RevisionRecord'
 180                         )
 181                 ];
 182         }
 183
 184         /**
 185          * @dataProvider provideConstructFromArrayThrowsExceptions
 186          * @covers Revision::__construct
 187          * @covers \MediaWiki\Revision\RevisionStore::newMutableRevisionFromArray
 188          */
 189         public function testConstructFromArrayThrowsExceptions( $rowArray, Exception $expectedException ) {
 190                 $this->setExpectedException(
 191                         get_class( $expectedException ),
 192                         $expectedException->getMessage(),
 193                         $expectedException->getCode()
 194                 );
 195                 new Revision( $rowArray, 0, $this->getMockTitle() );
 196         }
 197
 198         /**
 199          * @covers Revision::__construct
 200          * @covers \MediaWiki\Revision\RevisionStore::newMutableRevisionFromArray
 201          */
 202         public function testConstructFromNothing() {
 203                 $this->setExpectedException(
 204                         InvalidArgumentException::class
 205                 );
 206                 new Revision( [] );
 207         }
 208
 209         public function provideConstructFromRow() {
 210                 yield 'Full construction' => [
 211                         [
 212                                 'rev_id' => '42',
 213                                 'rev_page' => '23',
 214                                 'rev_timestamp' => '20171017114835',
 215                                 'rev_user_text' => '127.0.0.1',
 216                                 'rev_user' => '0',
 217                                 'rev_minor_edit' => '0',
 218                                 'rev_deleted' => '0',
 219                                 'rev_len' => '46',
 220                                 'rev_parent_id' => '1',
 221                                 'rev_sha1' => 'rdqbbzs3pkhihgbs8qf2q9jsvheag5z',
 222                                 'rev_comment_text' => 'Goat Comment!',
 223                                 'rev_comment_data' => null,
 224                                 'rev_comment_cid' => null,
 225                         ],
 226                         function ( RevisionTest $testCase, Revision $rev ) {
 227                                 $testCase->assertSame( 42, $rev->getId() );
 228                                 $testCase->assertSame( 23, $rev->getPage() );
 229                                 $testCase->assertSame( '20171017114835', $rev->getTimestamp() );
 230                                 $testCase->assertSame( '127.0.0.1', $rev->getUserText() );
 231                                 $testCase->assertSame( 0, $rev->getUser() );
 232                                 $testCase->assertSame( false, $rev->isMinor() );
 233                                 $testCase->assertSame( false, $rev->isDeleted( Revision::DELETED_TEXT ) );
 234                                 $testCase->assertSame( 46, $rev->getSize() );
 235                                 $testCase->assertSame( 1, $rev->getParentId() );
 236                                 $testCase->assertSame( 'rdqbbzs3pkhihgbs8qf2q9jsvheag5z', $rev->getSha1() );
 237                                 $testCase->assertSame( 'Goat Comment!', $rev->getComment() );
 238                         }
 239                 ];
 240                 yield 'default field values' => [
 241                         [
 242                                 'rev_id' => '42',
 243                                 'rev_page' => '23',
 244                                 'rev_timestamp' => '20171017114835',
 245                                 'rev_user_text' => '127.0.0.1',
 246                                 'rev_user' => '0',
 247                                 'rev_minor_edit' => '0',
 248                                 'rev_deleted' => '0',
 249                                 'rev_comment_text' => 'Goat Comment!',
 250                                 'rev_comment_data' => null,
 251                                 'rev_comment_cid' => null,
 252                         ],
 253                         function ( RevisionTest $testCase, Revision $rev ) {
 254                                 // parent ID may be null
 255                                 $testCase->assertSame( null, $rev->getParentId(), 'revision id' );
 256
 257                                 // given fields
 258                                 $testCase->assertSame( $rev->getTimestamp(), '20171017114835', 'timestamp' );
 259                                 $testCase->assertSame( $rev->getUserText(), '127.0.0.1', 'user name' );
 260                                 $testCase->assertSame( $rev->getUser(), 0, 'user id' );
 261                                 $testCase->assertSame( $rev->getComment(), 'Goat Comment!' );
 262                                 $testCase->assertSame( false, $rev->isMinor(), 'minor edit' );
 263                                 $testCase->assertSame( 0, $rev->getVisibility(), 'visibility flags' );
 264                         }
 265                 ];
 266         }
 267
 268         /**
 269          * @dataProvider provideConstructFromRow
 270          * @covers Revision::__construct
 271          * @covers \MediaWiki\Revision\RevisionStore::newMutableRevisionFromArray
 272          */
 273         public function testConstructFromRow( array $arrayData, callable $assertions ) {
 274                 $row = (object)$arrayData;
 275                 $rev = new Revision( $row, 0, $this->getMockTitle() );
 276                 $assertions( $this, $rev );
 277         }
 278
 279         /**
 280          * @covers Revision::__construct
 281          * @covers \MediaWiki\Revision\RevisionStore::newMutableRevisionFromArray
 282          */
 283         public function testConstructFromRowWithBadPageId() {
 284                 $this->overrideMwServices();
 285                 Wikimedia\suppressWarnings();
 286                 $rev = new Revision( (object)[
 287                         'rev_page' => 77777777,
 288                         'rev_comment_text' => '',
 289                         'rev_comment_data' => null,
 290                 ] );
 291                 $this->assertSame( 77777777, $rev->getPage() );
 292                 Wikimedia\restoreWarnings();
 293         }
 294
 295         public function provideGetId() {
 296                 yield [
 297                         [],
 298                         null
 299                 ];
 300                 yield [
 301                         [ 'id' => 998 ],
 302                         998
 303                 ];
 304         }
 305
 306         /**
 307          * @dataProvider provideGetId
 308          * @covers Revision::getId
 309          */
 310         public function testGetId( $rowArray, $expectedId ) {
 311                 $rev = new Revision( $rowArray, 0, $this->getMockTitle() );
 312                 $this->assertEquals( $expectedId, $rev->getId() );
 313         }
 314
 315         public function provideSetId() {
 316                 yield [ '123', 123 ];
 317                 yield [ 456, 456 ];
 318         }
 319
 320         /**
 321          * @dataProvider provideSetId
 322          * @covers Revision::setId
 323          */
 324         public function testSetId( $input, $expected ) {
 325                 $rev = new Revision( [], 0, $this->getMockTitle() );
 326                 $rev->setId( $input );
 327                 $this->assertSame( $expected, $rev->getId() );
 328         }
 329
 330         public function provideSetUserIdAndName() {
 331                 yield [ '123', 123, 'GOaT' ];
 332                 yield [ 456, 456, 'GOaT' ];
 333         }
 334
 335         /**
 336          * @dataProvider provideSetUserIdAndName
 337          * @covers Revision::setUserIdAndName
 338          */
 339         public function testSetUserIdAndName( $inputId, $expectedId, $name ) {
 340                 $rev = new Revision( [], 0, $this->getMockTitle() );
 341                 $rev->setUserIdAndName( $inputId, $name );
 342                 $this->assertSame( $expectedId, $rev->getUser( Revision::RAW ) );
 343                 $this->assertEquals( $name, $rev->getUserText( Revision::RAW ) );
 344         }
 345
 346         public function provideGetParentId() {
 347                 yield [ [], null ];
 348                 yield [ [ 'parent_id' => '123' ], 123 ];
 349                 yield [ [ 'parent_id' => 456 ], 456 ];
 350         }
 351
 352         /**
 353          * @dataProvider provideGetParentId
 354          * @covers Revision::getParentId()
 355          */
 356         public function testGetParentId( $rowArray, $expected ) {
 357                 $rev = new Revision( $rowArray, 0, $this->getMockTitle() );
 358                 $this->assertSame( $expected, $rev->getParentId() );
 359         }
 360
 361         public function provideGetRevisionText() {
 362                 yield 'Generic test' => [
 363                         'This is a goat of revision text.',
 364                         (object)[
 365                                 'old_flags' => '',
 366                                 'old_text' => 'This is a goat of revision text.',
 367                         ],
 368                 ];
 369                 yield 'garbage in, garbage out' => [
 370                         false,
 371                         false,
 372                 ];
 373         }
 374
 375         /**
 376          * @covers Revision::getRevisionText
 377          * @dataProvider provideGetRevisionText
 378          */
 379         public function testGetRevisionText( $expected, $rowData, $prefix = 'old_', $wiki = false ) {
 380                 $this->assertEquals(
 381                         $expected,
 382                         Revision::getRevisionText( $rowData, $prefix, $wiki ) );
 383         }
 384
 385         public function provideGetRevisionTextWithZlibExtension() {
 386                 yield 'Generic gzip test' => [
 387                         'This is a small goat of revision text.',
 388                         (object)[
 389                                 'old_flags' => 'gzip',
 390                                 'old_text' => gzdeflate( 'This is a small goat of revision text.' ),
 391                         ],
 392                 ];
 393         }
 394
 395         /**
 396          * @covers Revision::getRevisionText
 397          * @dataProvider provideGetRevisionTextWithZlibExtension
 398          */
 399         public function testGetRevisionWithZlibExtension( $expected, $rowData ) {
 400                 $this->checkPHPExtension( 'zlib' );
 401                 $this->testGetRevisionText( $expected, $rowData );
 402         }
 403
 404         public function provideGetRevisionTextWithZlibExtension_badData() {
 405                 yield 'Generic gzip test' => [
 406                         'This is a small goat of revision text.',
 407                         (object)[
 408                                 'old_flags' => 'gzip',
 409                                 'old_text' => 'DEAD BEEF',
 410                         ],
 411                 ];
 412         }
 413
 414         /**
 415          * @covers Revision::getRevisionText
 416          * @dataProvider provideGetRevisionTextWithZlibExtension_badData
 417          */
 418         public function testGetRevisionWithZlibExtension_badData( $expected, $rowData ) {
 419                 $this->checkPHPExtension( 'zlib' );
 420                 Wikimedia\suppressWarnings();
 421                 $this->assertFalse(
 422                         Revision::getRevisionText(
 423                                 (object)$rowData
 424                         )
 425                 );
 426                 Wikimedia\suppressWarnings( true );
 427         }
 428
 429         private function getWANObjectCache() {
 430                 return new WANObjectCache( [ 'cache' => new HashBagOStuff() ] );
 431         }
 432
 433         /**
 434          * @return SqlBlobStore
 435          */
 436         private function getBlobStore() {
 437                 /** @var LoadBalancer $lb */
 438                 $lb = $this->getMockBuilder( LoadBalancer::class )
 439                         ->disableOriginalConstructor()
 440                         ->getMock();
 441
 442                 $cache = $this->getWANObjectCache();
 443
 444                 $blobStore = new SqlBlobStore( $lb, $cache );
 445                 return $blobStore;
 446         }
 447
 448         private function mockBlobStoreFactory( $blobStore ) {
 449                 /** @var LoadBalancer $lb */
 450                 $factory = $this->getMockBuilder( BlobStoreFactory::class )
 451                         ->disableOriginalConstructor()
 452                         ->getMock();
 453                 $factory->expects( $this->any() )
 454                         ->method( 'newBlobStore' )
 455                         ->willReturn( $blobStore );
 456                 $factory->expects( $this->any() )
 457                         ->method( 'newSqlBlobStore' )
 458                         ->willReturn( $blobStore );
 459                 return $factory;
 460         }
 461
 462         /**
 463          * @return RevisionStore
 464          */
 465         private function getRevisionStore() {
 466                 /** @var LoadBalancer $lb */
 467                 $lb = $this->getMockBuilder( LoadBalancer::class )
 468                         ->disableOriginalConstructor()
 469                         ->getMock();
 470
 471                 $cache = $this->getWANObjectCache();
 472
 473                 $blobStore = new RevisionStore(
 474                         $lb,
 475                         $this->getBlobStore(),
 476                         $cache,
 477                         MediaWikiServices::getInstance()->getCommentStore(),
 478                         MediaWikiServices::getInstance()->getContentModelStore(),
 479                         MediaWikiServices::getInstance()->getSlotRoleStore(),
 480                         MediaWikiServices::getInstance()->getSlotRoleRegistry(),
 481                         MIGRATION_OLD,
 482                         MediaWikiServices::getInstance()->getActorMigration()
 483                 );
 484                 return $blobStore;
 485         }
 486
 487         public function provideGetRevisionTextWithLegacyEncoding() {
 488                 yield 'Utf8Native' => [
 489                         "Wiki est l'\xc3\xa9cole superieur !",
 490                         'fr',
 491                         'iso-8859-1',
 492                         (object)[
 493                                 'old_flags' => 'utf-8',
 494                                 'old_text' => "Wiki est l'\xc3\xa9cole superieur !",
 495                         ]
 496                 ];
 497                 yield 'Utf8Legacy' => [
 498                         "Wiki est l'\xc3\xa9cole superieur !",
 499                         'fr',
 500                         'iso-8859-1',
 501                         (object)[
 502                                 'old_flags' => '',
 503                                 'old_text' => "Wiki est l'\xe9cole superieur !",
 504                         ]
 505                 ];
 506         }
 507
 508         /**
 509          * @covers Revision::getRevisionText
 510          * @dataProvider provideGetRevisionTextWithLegacyEncoding
 511          */
 512         public function testGetRevisionWithLegacyEncoding( $expected, $lang, $encoding, $rowData ) {
 513                 $blobStore = $this->getBlobStore();
 514                 $blobStore->setLegacyEncoding( $encoding, Language::factory( $lang ) );
 515                 $this->setService( 'BlobStoreFactory', $this->mockBlobStoreFactory( $blobStore ) );
 516
 517                 $this->testGetRevisionText( $expected, $rowData );
 518         }
 519
 520         public function provideGetRevisionTextWithGzipAndLegacyEncoding() {
 521                 /**
 522                  * WARNING!
 523                  * Do not set the external flag!
 524                  * Otherwise, getRevisionText will hit the live database (if ExternalStore is enabled)!
 525                  */
 526                 yield 'Utf8NativeGzip' => [
 527                         "Wiki est l'\xc3\xa9cole superieur !",
 528                         'fr',
 529                         'iso-8859-1',
 530                         (object)[
 531                                 'old_flags' => 'gzip,utf-8',
 532                                 'old_text' => gzdeflate( "Wiki est l'\xc3\xa9cole superieur !" ),
 533                         ]
 534                 ];
 535                 yield 'Utf8LegacyGzip' => [
 536                         "Wiki est l'\xc3\xa9cole superieur !",
 537                         'fr',
 538                         'iso-8859-1',
 539                         (object)[
 540                                 'old_flags' => 'gzip',
 541                                 'old_text' => gzdeflate( "Wiki est l'\xe9cole superieur !" ),
 542                         ]
 543                 ];
 544         }
 545
 546         /**
 547          * @covers Revision::getRevisionText
 548          * @dataProvider provideGetRevisionTextWithGzipAndLegacyEncoding
 549          */
 550         public function testGetRevisionWithGzipAndLegacyEncoding( $expected, $lang, $encoding, $rowData ) {
 551                 $this->checkPHPExtension( 'zlib' );
 552
 553                 $blobStore = $this->getBlobStore();
 554                 $blobStore->setLegacyEncoding( $encoding, Language::factory( $lang ) );
 555                 $this->setService( 'BlobStoreFactory', $this->mockBlobStoreFactory( $blobStore ) );
 556
 557                 $this->testGetRevisionText( $expected, $rowData );
 558         }
 559
 560         /**
 561          * @covers Revision::compressRevisionText
 562          */
 563         public function testCompressRevisionTextUtf8() {
 564                 $row = new stdClass;
 565                 $row->old_text = "Wiki est l'\xc3\xa9cole superieur !";
 566                 $row->old_flags = Revision::compressRevisionText( $row->old_text );
 567                 $this->assertTrue( strpos( $row->old_flags, 'utf-8' ) !== false,
 568                         "Flags should contain 'utf-8'" );
 569                 $this->assertFalse( strpos( $row->old_flags, 'gzip' ) !== false,
 570                         "Flags should not contain 'gzip'" );
 571                 $this->assertEquals( "Wiki est l'\xc3\xa9cole superieur !",
 572                         $row->old_text, "Direct check" );
 573                 $this->assertEquals( "Wiki est l'\xc3\xa9cole superieur !",
 574                         Revision::getRevisionText( $row ), "getRevisionText" );
 575         }
 576
 577         /**
 578          * @covers Revision::compressRevisionText
 579          */
 580         public function testCompressRevisionTextUtf8Gzip() {
 581                 $this->checkPHPExtension( 'zlib' );
 582
 583                 $blobStore = $this->getBlobStore();
 584                 $blobStore->setCompressBlobs( true );
 585                 $this->setService( 'BlobStoreFactory', $this->mockBlobStoreFactory( $blobStore ) );
 586
 587                 $row = new stdClass;
 588                 $row->old_text = "Wiki est l'\xc3\xa9cole superieur !";
 589                 $row->old_flags = Revision::compressRevisionText( $row->old_text );
 590                 $this->assertTrue( strpos( $row->old_flags, 'utf-8' ) !== false,
 591                         "Flags should contain 'utf-8'" );
 592                 $this->assertTrue( strpos( $row->old_flags, 'gzip' ) !== false,
 593                         "Flags should contain 'gzip'" );
 594                 $this->assertEquals( "Wiki est l'\xc3\xa9cole superieur !",
 595                         gzinflate( $row->old_text ), "Direct check" );
 596                 $this->assertEquals( "Wiki est l'\xc3\xa9cole superieur !",
 597                         Revision::getRevisionText( $row ), "getRevisionText" );
 598         }
 599
 600         /**
 601          * @covers Revision::loadFromTitle
 602          */
 603         public function testLoadFromTitle() {
 604                 $this->setMwGlobals( 'wgActorTableSchemaMigrationStage', SCHEMA_COMPAT_OLD );
 605                 $this->overrideMwServices();
 606                 $title = $this->getMockTitle();
 607
 608                 $conditions = [
 609                         'rev_id=page_latest',
 610                         'page_namespace' => $title->getNamespace(),
 611                         'page_title' => $title->getDBkey()
 612                 ];
 613
 614                 $row = (object)[
 615                         'rev_id' => '42',
 616                         'rev_page' => $title->getArticleID(),
 617                         'rev_timestamp' => '20171017114835',
 618                         'rev_user_text' => '127.0.0.1',
 619                         'rev_user' => '0',
 620                         'rev_minor_edit' => '0',
 621                         'rev_deleted' => '0',
 622                         'rev_len' => '46',
 623                         'rev_parent_id' => '1',
 624                         'rev_sha1' => 'rdqbbzs3pkhihgbs8qf2q9jsvheag5z',
 625                         'rev_comment_text' => 'Goat Comment!',
 626                         'rev_comment_data' => null,
 627                         'rev_comment_cid' => null,
 628                         'rev_content_format' => 'GOATFORMAT',
 629                         'rev_content_model' => 'GOATMODEL',
 630                 ];
 631
 632                 $domain = MediaWikiServices::getInstance()->getDBLoadBalancer()->getLocalDomainID();
 633                 $db = $this->getMock( IDatabase::class );
 634                 $db->expects( $this->any() )
 635                         ->method( 'getDomainId' )
 636                         ->will( $this->returnValue( $domain ) );
 637                 $db->expects( $this->once() )
 638                         ->method( 'selectRow' )
 639                         ->with(
 640                                 $this->equalTo( [
 641                                         'revision', 'page', 'user',
 642                                         'temp_rev_comment' => 'revision_comment_temp', 'comment_rev_comment' => 'comment',
 643                                 ] ),
 644                                 // We don't really care about the fields are they come from the selectField methods
 645                                 $this->isType( 'array' ),
 646                                 $this->equalTo( $conditions ),
 647                                 // Method name
 648                                 $this->stringContains( 'fetchRevisionRowFromConds' ),
 649                                 // We don't really care about the options here
 650                                 $this->isType( 'array' ),
 651                                 // We don't really care about the join conds are they come from the joinCond methods
 652                                 $this->isType( 'array' )
 653                         )
 654                         ->willReturn( $row );
 655
 656                 $revision = Revision::loadFromTitle( $db, $title );
 657
 658                 $this->assertEquals( $title->getArticleID(), $revision->getTitle()->getArticleID() );
 659                 $this->assertEquals( $row->rev_id, $revision->getId() );
 660                 $this->assertEquals( $row->rev_len, $revision->getSize() );
 661                 $this->assertEquals( $row->rev_sha1, $revision->getSha1() );
 662                 $this->assertEquals( $row->rev_parent_id, $revision->getParentId() );
 663                 $this->assertEquals( $row->rev_timestamp, $revision->getTimestamp() );
 664                 $this->assertEquals( $row->rev_comment_text, $revision->getComment() );
 665                 $this->assertEquals( $row->rev_user_text, $revision->getUserText() );
 666         }
 667
 668         public function provideDecompressRevisionText() {
 669                 yield '(no legacy encoding), false in false out' => [ false, false, [], false ];
 670                 yield '(no legacy encoding), empty in empty out' => [ false, '', [], '' ];
 671                 yield '(no legacy encoding), empty in empty out' => [ false, 'A', [], 'A' ];
 672                 yield '(no legacy encoding), string in with gzip flag returns string' => [
 673                         // gzip string below generated with gzdeflate( 'AAAABBAAA' )
 674                         false, "sttttr\002\022\000", [ 'gzip' ], 'AAAABBAAA',
 675                 ];
 676                 yield '(no legacy encoding), string in with object flag returns false' => [
 677                         // gzip string below generated with serialize( 'JOJO' )
 678                         false, "s:4:\"JOJO\";", [ 'object' ], false,
 679                 ];
 680                 yield '(no legacy encoding), serialized object in with object flag returns string' => [
 681                         false,
 682                         // Using a TitleValue object as it has a getText method (which is needed)
 683                         serialize( new TitleValue( 0, 'HHJJDDFF' ) ),
 684                         [ 'object' ],
 685                         'HHJJDDFF',
 686                 ];
 687                 yield '(no legacy encoding), serialized object in with object & gzip flag returns string' => [
 688                         false,
 689                         // Using a TitleValue object as it has a getText method (which is needed)
 690                         gzdeflate( serialize( new TitleValue( 0, '8219JJJ840' ) ) ),
 691                         [ 'object', 'gzip' ],
 692                         '8219JJJ840',
 693                 ];
 694                 yield '(ISO-8859-1 encoding), string in string out' => [
 695                         'ISO-8859-1',
 696                         iconv( 'utf-8', 'ISO-8859-1', "1®Àþ1" ),
 697                         [],
 698                         '1®Àþ1',
 699                 ];
 700                 yield '(ISO-8859-1 encoding), serialized object in with gzip flags returns string' => [
 701                         'ISO-8859-1',
 702                         gzdeflate( iconv( 'utf-8', 'ISO-8859-1', "4®Àþ4" ) ),
 703                         [ 'gzip' ],
 704                         '4®Àþ4',
 705                 ];
 706                 yield '(ISO-8859-1 encoding), serialized object in with object flags returns string' => [
 707                         'ISO-8859-1',
 708                         serialize( new TitleValue( 0, iconv( 'utf-8', 'ISO-8859-1', "3®Àþ3" ) ) ),
 709                         [ 'object' ],
 710                         '3®Àþ3',
 711                 ];
 712                 yield '(ISO-8859-1 encoding), serialized object in with object & gzip flags returns string' => [
 713                         'ISO-8859-1',
 714                         gzdeflate( serialize( new TitleValue( 0, iconv( 'utf-8', 'ISO-8859-1', "2®Àþ2" ) ) ) ),
 715                         [ 'gzip', 'object' ],
 716                         '2®Àþ2',
 717                 ];
 718         }
 719
 720         /**
 721          * @dataProvider provideDecompressRevisionText
 722          * @covers Revision::decompressRevisionText
 723          *
 724          * @param bool $legacyEncoding
 725          * @param mixed $text
 726          * @param array $flags
 727          * @param mixed $expected
 728          */
 729         public function testDecompressRevisionText( $legacyEncoding, $text, $flags, $expected ) {
 730                 $blobStore = $this->getBlobStore();
 731                 if ( $legacyEncoding ) {
 732                         $blobStore->setLegacyEncoding( $legacyEncoding, Language::factory( 'en' ) );
 733                 }
 734
 735                 $this->setService( 'BlobStoreFactory', $this->mockBlobStoreFactory( $blobStore ) );
 736                 $this->assertSame(
 737                         $expected,
 738                         Revision::decompressRevisionText( $text, $flags )
 739                 );
 740         }
 741
 742         public function provideTestGetRevisionText_returnsDecompressedTextFieldWhenNotExternal() {
 743                 yield 'Just text' => [
 744                         (object)[ 'old_text' => 'SomeText' ],
 745                         'old_',
 746                         'SomeText'
 747                 ];
 748                 // gzip string below generated with gzdeflate( 'AAAABBAAA' )
 749                 yield 'gzip text' => [
 750                         (object)[
 751                                 'old_text' => "sttttr\002\022\000",
 752                                 'old_flags' => 'gzip'
 753                         ],
 754                         'old_',
 755                         'AAAABBAAA'
 756                 ];
 757                 yield 'gzip text and different prefix' => [
 758                         (object)[
 759                                 'jojo_text' => "sttttr\002\022\000",
 760                                 'jojo_flags' => 'gzip'
 761                         ],
 762                         'jojo_',
 763                         'AAAABBAAA'
 764                 ];
 765         }
 766
 767         /**
 768          * @dataProvider provideTestGetRevisionText_returnsDecompressedTextFieldWhenNotExternal
 769          * @covers Revision::getRevisionText
 770          */
 771         public function testGetRevisionText_returnsDecompressedTextFieldWhenNotExternal(
 772                 $row,
 773                 $prefix,
 774                 $expected
 775         ) {
 776                 $this->assertSame( $expected, Revision::getRevisionText( $row, $prefix ) );
 777         }
 778
 779         public function provideTestGetRevisionText_external_returnsFalseWhenNotEnoughUrlParts() {
 780                 yield 'Just some text' => [ 'someNonUrlText' ];
 781                 yield 'No second URL part' => [ 'someProtocol://' ];
 782         }
 783
 784         /**
 785          * @dataProvider provideTestGetRevisionText_external_returnsFalseWhenNotEnoughUrlParts
 786          * @covers Revision::getRevisionText
 787          */
 788         public function testGetRevisionText_external_returnsFalseWhenNotEnoughUrlParts(
 789                 $text
 790         ) {
 791                 Wikimedia\suppressWarnings();
 792                 $this->assertFalse(
 793                         Revision::getRevisionText(
 794                                 (object)[
 795                                         'old_text' => $text,
 796                                         'old_flags' => 'external',
 797                                 ]
 798                         )
 799                 );
 800                 Wikimedia\suppressWarnings( true );
 801         }
 802
 803         /**
 804          * @covers Revision::getRevisionText
 805          */
 806         public function testGetRevisionText_external_noOldId() {
 807                 $this->setService(
 808                         'ExternalStoreFactory',
 809                         new ExternalStoreFactory( [ 'ForTesting' ] )
 810                 );
 811                 $this->assertSame(
 812                         'AAAABBAAA',
 813                         Revision::getRevisionText(
 814                                 (object)[
 815                                         'old_text' => 'ForTesting://cluster1/12345',
 816                                         'old_flags' => 'external,gzip',
 817                                 ]
 818                         )
 819                 );
 820         }
 821
 822         /**
 823          * @covers Revision::getRevisionText
 824          */
 825         public function testGetRevisionText_external_oldId() {
 826                 $cache = $this->getWANObjectCache();
 827                 $this->setService( 'MainWANObjectCache', $cache );
 828
 829                 $this->setService(
 830                         'ExternalStoreFactory',
 831                         new ExternalStoreFactory( [ 'ForTesting' ] )
 832                 );
 833
 834                 $lb = $this->getMockBuilder( LoadBalancer::class )
 835                         ->disableOriginalConstructor()
 836                         ->getMock();
 837
 838                 $blobStore = new SqlBlobStore( $lb, $cache );
 839                 $this->setService( 'BlobStoreFactory', $this->mockBlobStoreFactory( $blobStore ) );
 840
 841                 $this->assertSame(
 842                         'AAAABBAAA',
 843                         Revision::getRevisionText(
 844                                 (object)[
 845                                         'old_text' => 'ForTesting://cluster1/12345',
 846                                         'old_flags' => 'external,gzip',
 847                                         'old_id' => '7777',
 848                                 ]
 849                         )
 850                 );
 851
 852                 $cacheKey = $cache->makeGlobalKey(
 853                         'BlobStore',
 854                         'address',
 855                         $lb->getLocalDomainID(),
 856                         'tt:7777'
 857                 );
 858                 $this->assertSame( 'AAAABBAAA', $cache->get( $cacheKey ) );
 859         }
 860
 861         /**
 862          * @covers Revision::getSize
 863          */
 864         public function testGetSize() {
 865                 $title = $this->getMockTitle();
 866
 867                 $rec = new MutableRevisionRecord( $title );
 868                 $rev = new Revision( $rec, 0, $title );
 869
 870                 $this->assertSame( 0, $rev->getSize(), 'Size of no slots is 0' );
 871
 872                 $rec->setSize( 13 );
 873                 $this->assertSame( 13, $rev->getSize() );
 874         }
 875
 876         /**
 877          * @covers Revision::getSize
 878          */
 879         public function testGetSize_failure() {
 880                 $title = $this->getMockTitle();
 881
 882                 $rec = $this->getMockBuilder( RevisionRecord::class )
 883                         ->disableOriginalConstructor()
 884                         ->getMock();
 885
 886                 $rec->method( 'getSize' )
 887                         ->willThrowException( new RevisionAccessException( 'Oops!' ) );
 888
 889                 $rev = new Revision( $rec, 0, $title );
 890                 $this->assertNull( $rev->getSize() );
 891         }
 892
 893         /**
 894          * @covers Revision::getSha1
 895          */
 896         public function testGetSha1() {
 897                 $title = $this->getMockTitle();
 898
 899                 $rec = new MutableRevisionRecord( $title );
 900                 $rev = new Revision( $rec, 0, $title );
 901
 902                 $emptyHash = SlotRecord::base36Sha1( '' );
 903                 $this->assertSame( $emptyHash, $rev->getSha1(), 'Sha1 of no slots is hash of empty string' );
 904
 905                 $rec->setSha1( 'deadbeef' );
 906                 $this->assertSame( 'deadbeef', $rev->getSha1() );
 907         }
 908
 909         /**
 910          * @covers Revision::getSha1
 911          */
 912         public function testGetSha1_failure() {
 913                 $title = $this->getMockTitle();
 914
 915                 $rec = $this->getMockBuilder( RevisionRecord::class )
 916                         ->disableOriginalConstructor()
 917                         ->getMock();
 918
 919                 $rec->method( 'getSha1' )
 920                         ->willThrowException( new RevisionAccessException( 'Oops!' ) );
 921
 922                 $rev = new Revision( $rec, 0, $title );
 923                 $this->assertNull( $rev->getSha1() );
 924         }
 925
 926         /**
 927          * @covers Revision::getContent
 928          */
 929         public function testGetContent() {
 930                 $title = $this->getMockTitle();
 931
 932                 $rec = new MutableRevisionRecord( $title );
 933                 $rev = new Revision( $rec, 0, $title );
 934
 935                 $this->assertNull( $rev->getContent(), 'Content of no slots is null' );
 936
 937                 $content = new TextContent( 'Hello Kittens!' );
 938                 $rec->setContent( SlotRecord::MAIN, $content );
 939                 $this->assertSame( $content, $rev->getContent() );
 940         }
 941
 942         /**
 943          * @covers Revision::getContent
 944          */
 945         public function testGetContent_failure() {
 946                 $title = $this->getMockTitle();
 947
 948                 $rec = $this->getMockBuilder( RevisionRecord::class )
 949                         ->disableOriginalConstructor()
 950                         ->getMock();
 951
 952                 $rec->method( 'getContent' )
 953                         ->willThrowException( new RevisionAccessException( 'Oops!' ) );
 954
 955                 $rev = new Revision( $rec, 0, $title );
 956                 $this->assertNull( $rev->getContent() );
 957         }
 958
 959 }