tests/phpunit/includes/RevisionTest.php

   1 <?php
   2
   3 use MediaWiki\Storage\BlobStoreFactory;
   4 use MediaWiki\Storage\MutableRevisionRecord;
   5 use MediaWiki\Storage\RevisionAccessException;
   6 use MediaWiki\Storage\RevisionRecord;
   7 use MediaWiki\Storage\RevisionStore;
   8 use MediaWiki\Storage\SlotRecord;
   9 use MediaWiki\Storage\SqlBlobStore;
  10 use Wikimedia\Rdbms\IDatabase;
  11 use Wikimedia\Rdbms\LoadBalancer;
  12
  13 /**
  14  * Test cases in RevisionTest should not interact with the Database.
  15  * For test cases that need Database interaction see RevisionDbTestBase.
  16  */
  17 class RevisionTest extends MediaWikiTestCase {
  18
  19         public function provideConstructFromArray() {
  20                 yield 'with text' => [
  21                         [
  22                                 'text' => 'hello world.',
  23                                 'content_model' => CONTENT_MODEL_JAVASCRIPT
  24                         ],
  25                 ];
  26                 yield 'with content' => [
  27                         [
  28                                 'content' => new JavaScriptContent( 'hellow world.' )
  29                         ],
  30                 ];
  31                 // FIXME: test with and without user ID, and with a user object.
  32                 // We can't prepare that here though, since we don't yet have a dummy DB
  33         }
  34
  35         /**
  36          * @param string $model
  37          * @return Title
  38          */
  39         public function getMockTitle( $model = CONTENT_MODEL_WIKITEXT ) {
  40                 $mock = $this->getMockBuilder( Title::class )
  41                         ->disableOriginalConstructor()
  42                         ->getMock();
  43                 $mock->expects( $this->any() )
  44                         ->method( 'getNamespace' )
  45                         ->will( $this->returnValue( $this->getDefaultWikitextNS() ) );
  46                 $mock->expects( $this->any() )
  47                         ->method( 'getPrefixedText' )
  48                         ->will( $this->returnValue( 'RevisionTest' ) );
  49                 $mock->expects( $this->any() )
  50                         ->method( 'getDBkey' )
  51                         ->will( $this->returnValue( 'RevisionTest' ) );
  52                 $mock->expects( $this->any() )
  53                         ->method( 'getArticleID' )
  54                         ->will( $this->returnValue( 23 ) );
  55                 $mock->expects( $this->any() )
  56                         ->method( 'getModel' )
  57                         ->will( $this->returnValue( $model ) );
  58
  59                 return $mock;
  60         }
  61
  62         /**
  63          * @dataProvider provideConstructFromArray
  64          * @covers Revision::__construct
  65          * @covers \MediaWiki\Storage\RevisionStore::newMutableRevisionFromArray
  66          */
  67         public function testConstructFromArray( $rowArray ) {
  68                 $rev = new Revision( $rowArray, 0, $this->getMockTitle() );
  69                 $this->assertNotNull( $rev->getContent(), 'no content object available' );
  70                 $this->assertEquals( CONTENT_MODEL_JAVASCRIPT, $rev->getContent()->getModel() );
  71                 $this->assertEquals( CONTENT_MODEL_JAVASCRIPT, $rev->getContentModel() );
  72         }
  73
  74         /**
  75          * @covers Revision::__construct
  76          * @covers \MediaWiki\Storage\RevisionStore::newMutableRevisionFromArray
  77          */
  78         public function testConstructFromEmptyArray() {
  79                 $rev = new Revision( [], 0, $this->getMockTitle() );
  80                 $this->assertNull( $rev->getContent(), 'no content object should be available' );
  81         }
  82
  83         /**
  84          * @covers Revision::__construct
  85          * @covers \MediaWiki\Storage\RevisionStore::newMutableRevisionFromArray
  86          */
  87         public function testConstructFromArrayWithBadPageId() {
  88                 MediaWiki\suppressWarnings();
  89                 $rev = new Revision( [ 'page' => 77777777 ] );
  90                 $this->assertSame( 77777777, $rev->getPage() );
  91                 MediaWiki\restoreWarnings();
  92         }
  93
  94         public function provideConstructFromArray_userSetAsExpected() {
  95                 yield 'no user defaults to wgUser' => [
  96                         [
  97                                 'content' => new JavaScriptContent( 'hello world.' ),
  98                         ],
  99                         null,
 100                         null,
 101                 ];
 102                 yield 'user text and id' => [
 103                         [
 104                                 'content' => new JavaScriptContent( 'hello world.' ),
 105                                 'user_text' => 'SomeTextUserName',
 106                                 'user' => 99,
 107
 108                         ],
 109                         99,
 110                         'SomeTextUserName',
 111                 ];
 112                 yield 'user text only' => [
 113                         [
 114                                 'content' => new JavaScriptContent( 'hello world.' ),
 115                                 'user_text' => '111.111.111.111',
 116                         ],
 117                         0,
 118                         '111.111.111.111',
 119                 ];
 120         }
 121
 122         /**
 123          * @dataProvider provideConstructFromArray_userSetAsExpected
 124          * @covers Revision::__construct
 125          * @covers \MediaWiki\Storage\RevisionStore::newMutableRevisionFromArray
 126          *
 127          * @param array $rowArray
 128          * @param mixed $expectedUserId null to expect the current wgUser ID
 129          * @param mixed $expectedUserName null to expect the current wgUser name
 130          */
 131         public function testConstructFromArray_userSetAsExpected(
 132                 array $rowArray,
 133                 $expectedUserId,
 134                 $expectedUserName
 135         ) {
 136                 $testUser = $this->getTestUser()->getUser();
 137                 $this->setMwGlobals( 'wgUser', $testUser );
 138                 if ( $expectedUserId === null ) {
 139                         $expectedUserId = $testUser->getId();
 140                 }
 141                 if ( $expectedUserName === null ) {
 142                         $expectedUserName = $testUser->getName();
 143                 }
 144
 145                 $rev = new Revision( $rowArray, 0, $this->getMockTitle() );
 146                 $this->assertEquals( $expectedUserId, $rev->getUser() );
 147                 $this->assertEquals( $expectedUserName, $rev->getUserText() );
 148         }
 149
 150         public function provideConstructFromArrayThrowsExceptions() {
 151                 yield 'content and text_id both not empty' => [
 152                         [
 153                                 'content' => new WikitextContent( 'GOAT' ),
 154                                 'text_id' => 'someid',
 155                         ],
 156                         new MWException( "Text already stored in external store (id someid), " .
 157                                 "can't serialize content object" )
 158                 ];
 159                 yield 'unknown user id and no user name' => [
 160                         [
 161                                 'content' => new JavaScriptContent( 'hello world.' ),
 162                                 'user' => 9989,
 163                         ],
 164                         new MWException( 'user_text not given, and unknown user ID 9989' )
 165                 ];
 166                 yield 'with bad content object (class)' => [
 167                         [ 'content' => new stdClass() ],
 168                         new MWException( 'content field must contain a Content object.' )
 169                 ];
 170                 yield 'with bad content object (string)' => [
 171                         [ 'content' => 'ImAGoat' ],
 172                         new MWException( 'content field must contain a Content object.' )
 173                 ];
 174                 yield 'bad row format' => [
 175                         'imastring, not a row',
 176                         new InvalidArgumentException(
 177                                 '$row must be a row object, an associative array, or a RevisionRecord'
 178                         )
 179                 ];
 180         }
 181
 182         /**
 183          * @dataProvider provideConstructFromArrayThrowsExceptions
 184          * @covers Revision::__construct
 185          * @covers \MediaWiki\Storage\RevisionStore::newMutableRevisionFromArray
 186          */
 187         public function testConstructFromArrayThrowsExceptions( $rowArray, Exception $expectedException ) {
 188                 $this->setExpectedException(
 189                         get_class( $expectedException ),
 190                         $expectedException->getMessage(),
 191                         $expectedException->getCode()
 192                 );
 193                 new Revision( $rowArray, 0, $this->getMockTitle() );
 194         }
 195
 196         /**
 197          * @covers Revision::__construct
 198          * @covers \MediaWiki\Storage\RevisionStore::newMutableRevisionFromArray
 199          */
 200         public function testConstructFromNothing() {
 201                 $this->setExpectedException(
 202                         InvalidArgumentException::class
 203                 );
 204                 new Revision( [] );
 205         }
 206
 207         public function provideConstructFromRow() {
 208                 yield 'Full construction' => [
 209                         [
 210                                 'rev_id' => '42',
 211                                 'rev_page' => '23',
 212                                 'rev_text_id' => '2',
 213                                 'rev_timestamp' => '20171017114835',
 214                                 'rev_user_text' => '127.0.0.1',
 215                                 'rev_user' => '0',
 216                                 'rev_minor_edit' => '0',
 217                                 'rev_deleted' => '0',
 218                                 'rev_len' => '46',
 219                                 'rev_parent_id' => '1',
 220                                 'rev_sha1' => 'rdqbbzs3pkhihgbs8qf2q9jsvheag5z',
 221                                 'rev_comment_text' => 'Goat Comment!',
 222                                 'rev_comment_data' => null,
 223                                 'rev_comment_cid' => null,
 224                                 'rev_content_format' => 'GOATFORMAT',
 225                                 'rev_content_model' => 'GOATMODEL',
 226                         ],
 227                         function ( RevisionTest $testCase, Revision $rev ) {
 228                                 $testCase->assertSame( 42, $rev->getId() );
 229                                 $testCase->assertSame( 23, $rev->getPage() );
 230                                 $testCase->assertSame( 2, $rev->getTextId() );
 231                                 $testCase->assertSame( '20171017114835', $rev->getTimestamp() );
 232                                 $testCase->assertSame( '127.0.0.1', $rev->getUserText() );
 233                                 $testCase->assertSame( 0, $rev->getUser() );
 234                                 $testCase->assertSame( false, $rev->isMinor() );
 235                                 $testCase->assertSame( false, $rev->isDeleted( Revision::DELETED_TEXT ) );
 236                                 $testCase->assertSame( 46, $rev->getSize() );
 237                                 $testCase->assertSame( 1, $rev->getParentId() );
 238                                 $testCase->assertSame( 'rdqbbzs3pkhihgbs8qf2q9jsvheag5z', $rev->getSha1() );
 239                                 $testCase->assertSame( 'Goat Comment!', $rev->getComment() );
 240                                 $testCase->assertSame( 'GOATFORMAT', $rev->getContentFormat() );
 241                                 $testCase->assertSame( 'GOATMODEL', $rev->getContentModel() );
 242                         }
 243                 ];
 244                 yield 'default field values' => [
 245                         [
 246                                 'rev_id' => '42',
 247                                 'rev_page' => '23',
 248                                 'rev_text_id' => '2',
 249                                 'rev_timestamp' => '20171017114835',
 250                                 'rev_user_text' => '127.0.0.1',
 251                                 'rev_user' => '0',
 252                                 'rev_minor_edit' => '0',
 253                                 'rev_deleted' => '0',
 254                                 'rev_comment_text' => 'Goat Comment!',
 255                                 'rev_comment_data' => null,
 256                                 'rev_comment_cid' => null,
 257                         ],
 258                         function ( RevisionTest $testCase, Revision $rev ) {
 259                                 // parent ID may be null
 260                                 $testCase->assertSame( null, $rev->getParentId(), 'revision id' );
 261
 262                                 // given fields
 263                                 $testCase->assertSame( $rev->getTimestamp(), '20171017114835', 'timestamp' );
 264                                 $testCase->assertSame( $rev->getUserText(), '127.0.0.1', 'user name' );
 265                                 $testCase->assertSame( $rev->getUser(), 0, 'user id' );
 266                                 $testCase->assertSame( $rev->getComment(), 'Goat Comment!' );
 267                                 $testCase->assertSame( false, $rev->isMinor(), 'minor edit' );
 268                                 $testCase->assertSame( 0, $rev->getVisibility(), 'visibility flags' );
 269
 270                                 // computed fields
 271                                 $testCase->assertNotNull( $rev->getSize(), 'size' );
 272                                 $testCase->assertNotNull( $rev->getSha1(), 'hash' );
 273
 274                                 // NOTE: model and format will be detected based on the namespace of the (mock) title
 275                                 $testCase->assertSame( 'text/x-wiki', $rev->getContentFormat(), 'format' );
 276                                 $testCase->assertSame( 'wikitext', $rev->getContentModel(), 'model' );
 277                         }
 278                 ];
 279         }
 280
 281         /**
 282          * @dataProvider provideConstructFromRow
 283          * @covers Revision::__construct
 284          * @covers \MediaWiki\Storage\RevisionStore::newMutableRevisionFromArray
 285          */
 286         public function testConstructFromRow( array $arrayData, $assertions ) {
 287                 $data = 'Hello goat.'; // needs to match model and format
 288
 289                 $blobStore = $this->getMockBuilder( SqlBlobStore::class )
 290                         ->disableOriginalConstructor()
 291                         ->getMock();
 292
 293                 $blobStore->method( 'getBlob' )
 294                         ->will( $this->returnValue( $data ) );
 295
 296                 $blobStore->method( 'getTextIdFromAddress' )
 297                         ->will( $this->returnCallback(
 298                                 function ( $address ) {
 299                                         // Turn "tt:1234" into 12345.
 300                                         // Note that this must be functional so we can test getTextId().
 301                                         // Ideally, we'd un-mock getTextIdFromAddress and use its actual implementation.
 302                                         $parts = explode( ':', $address );
 303                                         return (int)array_pop( $parts );
 304                                 }
 305                         ) );
 306
 307                 // Note override internal service, so RevisionStore uses it as well.
 308                 $this->setService( 'BlobStoreFactory', $this->mockBlobStoreFactory( $blobStore ) );
 309
 310                 $row = (object)$arrayData;
 311                 $rev = new Revision( $row, 0, $this->getMockTitle() );
 312                 $assertions( $this, $rev );
 313         }
 314
 315         /**
 316          * @covers Revision::__construct
 317          * @covers \MediaWiki\Storage\RevisionStore::newMutableRevisionFromArray
 318          */
 319         public function testConstructFromRowWithBadPageId() {
 320                 MediaWiki\suppressWarnings();
 321                 $rev = new Revision( (object)[ 'rev_page' => 77777777 ] );
 322                 $this->assertSame( 77777777, $rev->getPage() );
 323                 MediaWiki\restoreWarnings();
 324         }
 325
 326         public function provideGetRevisionText() {
 327                 yield 'Generic test' => [
 328                         'This is a goat of revision text.',
 329                         [
 330                                 'old_flags' => '',
 331                                 'old_text' => 'This is a goat of revision text.',
 332                         ],
 333                 ];
 334         }
 335
 336         public function provideGetId() {
 337                 yield [
 338                         [],
 339                         null
 340                 ];
 341                 yield [
 342                         [ 'id' => 998 ],
 343                         998
 344                 ];
 345         }
 346
 347         /**
 348          * @dataProvider provideGetId
 349          * @covers Revision::getId
 350          */
 351         public function testGetId( $rowArray, $expectedId ) {
 352                 $rev = new Revision( $rowArray, 0, $this->getMockTitle() );
 353                 $this->assertEquals( $expectedId, $rev->getId() );
 354         }
 355
 356         public function provideSetId() {
 357                 yield [ '123', 123 ];
 358                 yield [ 456, 456 ];
 359         }
 360
 361         /**
 362          * @dataProvider provideSetId
 363          * @covers Revision::setId
 364          */
 365         public function testSetId( $input, $expected ) {
 366                 $rev = new Revision( [], 0, $this->getMockTitle() );
 367                 $rev->setId( $input );
 368                 $this->assertSame( $expected, $rev->getId() );
 369         }
 370
 371         public function provideSetUserIdAndName() {
 372                 yield [ '123', 123, 'GOaT' ];
 373                 yield [ 456, 456, 'GOaT' ];
 374         }
 375
 376         /**
 377          * @dataProvider provideSetUserIdAndName
 378          * @covers Revision::setUserIdAndName
 379          */
 380         public function testSetUserIdAndName( $inputId, $expectedId, $name ) {
 381                 $rev = new Revision( [], 0, $this->getMockTitle() );
 382                 $rev->setUserIdAndName( $inputId, $name );
 383                 $this->assertSame( $expectedId, $rev->getUser( Revision::RAW ) );
 384                 $this->assertEquals( $name, $rev->getUserText( Revision::RAW ) );
 385         }
 386
 387         public function provideGetTextId() {
 388                 yield [ [], null ];
 389                 yield [ [ 'text_id' => '123' ], 123 ];
 390                 yield [ [ 'text_id' => 456 ], 456 ];
 391         }
 392
 393         /**
 394          * @dataProvider provideGetTextId
 395          * @covers Revision::getTextId()
 396          */
 397         public function testGetTextId( $rowArray, $expected ) {
 398                 $rev = new Revision( $rowArray, 0, $this->getMockTitle() );
 399                 $this->assertSame( $expected, $rev->getTextId() );
 400         }
 401
 402         public function provideGetParentId() {
 403                 yield [ [], null ];
 404                 yield [ [ 'parent_id' => '123' ], 123 ];
 405                 yield [ [ 'parent_id' => 456 ], 456 ];
 406         }
 407
 408         /**
 409          * @dataProvider provideGetParentId
 410          * @covers Revision::getParentId()
 411          */
 412         public function testGetParentId( $rowArray, $expected ) {
 413                 $rev = new Revision( $rowArray, 0, $this->getMockTitle() );
 414                 $this->assertSame( $expected, $rev->getParentId() );
 415         }
 416
 417         /**
 418          * @covers Revision::getRevisionText
 419          * @dataProvider provideGetRevisionText
 420          */
 421         public function testGetRevisionText( $expected, $rowData, $prefix = 'old_', $wiki = false ) {
 422                 $this->assertEquals(
 423                         $expected,
 424                         Revision::getRevisionText( (object)$rowData, $prefix, $wiki ) );
 425         }
 426
 427         public function provideGetRevisionTextWithZlibExtension() {
 428                 yield 'Generic gzip test' => [
 429                         'This is a small goat of revision text.',
 430                         [
 431                                 'old_flags' => 'gzip',
 432                                 'old_text' => gzdeflate( 'This is a small goat of revision text.' ),
 433                         ],
 434                 ];
 435         }
 436
 437         /**
 438          * @covers Revision::getRevisionText
 439          * @dataProvider provideGetRevisionTextWithZlibExtension
 440          */
 441         public function testGetRevisionWithZlibExtension( $expected, $rowData ) {
 442                 $this->checkPHPExtension( 'zlib' );
 443                 $this->testGetRevisionText( $expected, $rowData );
 444         }
 445
 446         private function getWANObjectCache() {
 447                 return new WANObjectCache( [ 'cache' => new HashBagOStuff() ] );
 448         }
 449
 450         /**
 451          * @return SqlBlobStore
 452          */
 453         private function getBlobStore() {
 454                 /** @var LoadBalancer $lb */
 455                 $lb = $this->getMockBuilder( LoadBalancer::class )
 456                         ->disableOriginalConstructor()
 457                         ->getMock();
 458
 459                 $cache = $this->getWANObjectCache();
 460
 461                 $blobStore = new SqlBlobStore( $lb, $cache );
 462                 return $blobStore;
 463         }
 464
 465         private function mockBlobStoreFactory( $blobStore ) {
 466                 /** @var LoadBalancer $lb */
 467                 $factory = $this->getMockBuilder( BlobStoreFactory::class )
 468                         ->disableOriginalConstructor()
 469                         ->getMock();
 470                 $factory->expects( $this->any() )
 471                         ->method( 'newBlobStore' )
 472                         ->willReturn( $blobStore );
 473                 $factory->expects( $this->any() )
 474                         ->method( 'newSqlBlobStore' )
 475                         ->willReturn( $blobStore );
 476                 return $factory;
 477         }
 478
 479         /**
 480          * @return RevisionStore
 481          */
 482         private function getRevisionStore() {
 483                 /** @var LoadBalancer $lb */
 484                 $lb = $this->getMockBuilder( LoadBalancer::class )
 485                         ->disableOriginalConstructor()
 486                         ->getMock();
 487
 488                 $cache = $this->getWANObjectCache();
 489
 490                 $blobStore = new RevisionStore( $lb, $this->getBlobStore(), $cache );
 491                 return $blobStore;
 492         }
 493
 494         public function provideGetRevisionTextWithLegacyEncoding() {
 495                 yield 'Utf8Native' => [
 496                         "Wiki est l'\xc3\xa9cole superieur !",
 497                         'fr',
 498                         'iso-8859-1',
 499                         [
 500                                 'old_flags' => 'utf-8',
 501                                 'old_text' => "Wiki est l'\xc3\xa9cole superieur !",
 502                         ]
 503                 ];
 504                 yield 'Utf8Legacy' => [
 505                         "Wiki est l'\xc3\xa9cole superieur !",
 506                         'fr',
 507                         'iso-8859-1',
 508                         [
 509                                 'old_flags' => '',
 510                                 'old_text' => "Wiki est l'\xe9cole superieur !",
 511                         ]
 512                 ];
 513         }
 514
 515         /**
 516          * @covers Revision::getRevisionText
 517          * @dataProvider provideGetRevisionTextWithLegacyEncoding
 518          */
 519         public function testGetRevisionWithLegacyEncoding( $expected, $lang, $encoding, $rowData ) {
 520                 $blobStore = $this->getBlobStore();
 521                 $blobStore->setLegacyEncoding( $encoding, Language::factory( $lang ) );
 522                 $this->setService( 'BlobStoreFactory', $this->mockBlobStoreFactory( $blobStore ) );
 523
 524                 $this->testGetRevisionText( $expected, $rowData );
 525         }
 526
 527         public function provideGetRevisionTextWithGzipAndLegacyEncoding() {
 528                 /**
 529                  * WARNING!
 530                  * Do not set the external flag!
 531                  * Otherwise, getRevisionText will hit the live database (if ExternalStore is enabled)!
 532                  */
 533                 yield 'Utf8NativeGzip' => [
 534                         "Wiki est l'\xc3\xa9cole superieur !",
 535                         'fr',
 536                         'iso-8859-1',
 537                         [
 538                                 'old_flags' => 'gzip,utf-8',
 539                                 'old_text' => gzdeflate( "Wiki est l'\xc3\xa9cole superieur !" ),
 540                         ]
 541                 ];
 542                 yield 'Utf8LegacyGzip' => [
 543                         "Wiki est l'\xc3\xa9cole superieur !",
 544                         'fr',
 545                         'iso-8859-1',
 546                         [
 547                                 'old_flags' => 'gzip',
 548                                 'old_text' => gzdeflate( "Wiki est l'\xe9cole superieur !" ),
 549                         ]
 550                 ];
 551         }
 552
 553         /**
 554          * @covers Revision::getRevisionText
 555          * @dataProvider provideGetRevisionTextWithGzipAndLegacyEncoding
 556          */
 557         public function testGetRevisionWithGzipAndLegacyEncoding( $expected, $lang, $encoding, $rowData ) {
 558                 $this->checkPHPExtension( 'zlib' );
 559
 560                 $blobStore = $this->getBlobStore();
 561                 $blobStore->setLegacyEncoding( $encoding, Language::factory( $lang ) );
 562                 $this->setService( 'BlobStoreFactory', $this->mockBlobStoreFactory( $blobStore ) );
 563
 564                 $this->testGetRevisionText( $expected, $rowData );
 565         }
 566
 567         /**
 568          * @covers Revision::compressRevisionText
 569          */
 570         public function testCompressRevisionTextUtf8() {
 571                 $row = new stdClass;
 572                 $row->old_text = "Wiki est l'\xc3\xa9cole superieur !";
 573                 $row->old_flags = Revision::compressRevisionText( $row->old_text );
 574                 $this->assertTrue( false !== strpos( $row->old_flags, 'utf-8' ),
 575                         "Flags should contain 'utf-8'" );
 576                 $this->assertFalse( false !== strpos( $row->old_flags, 'gzip' ),
 577                         "Flags should not contain 'gzip'" );
 578                 $this->assertEquals( "Wiki est l'\xc3\xa9cole superieur !",
 579                         $row->old_text, "Direct check" );
 580                 $this->assertEquals( "Wiki est l'\xc3\xa9cole superieur !",
 581                         Revision::getRevisionText( $row ), "getRevisionText" );
 582         }
 583
 584         /**
 585          * @covers Revision::compressRevisionText
 586          */
 587         public function testCompressRevisionTextUtf8Gzip() {
 588                 $this->checkPHPExtension( 'zlib' );
 589
 590                 $blobStore = $this->getBlobStore();
 591                 $blobStore->setCompressBlobs( true );
 592                 $this->setService( 'BlobStoreFactory', $this->mockBlobStoreFactory( $blobStore ) );
 593
 594                 $row = new stdClass;
 595                 $row->old_text = "Wiki est l'\xc3\xa9cole superieur !";
 596                 $row->old_flags = Revision::compressRevisionText( $row->old_text );
 597                 $this->assertTrue( false !== strpos( $row->old_flags, 'utf-8' ),
 598                         "Flags should contain 'utf-8'" );
 599                 $this->assertTrue( false !== strpos( $row->old_flags, 'gzip' ),
 600                         "Flags should contain 'gzip'" );
 601                 $this->assertEquals( "Wiki est l'\xc3\xa9cole superieur !",
 602                         gzinflate( $row->old_text ), "Direct check" );
 603                 $this->assertEquals( "Wiki est l'\xc3\xa9cole superieur !",
 604                         Revision::getRevisionText( $row ), "getRevisionText" );
 605         }
 606
 607         /**
 608          * @covers Revision::loadFromTitle
 609          */
 610         public function testLoadFromTitle() {
 611                 $title = $this->getMockTitle();
 612
 613                 $conditions = [
 614                         'rev_id=page_latest',
 615                         'page_namespace' => $title->getNamespace(),
 616                         'page_title' => $title->getDBkey()
 617                 ];
 618
 619                 $row = (object)[
 620                         'rev_id' => '42',
 621                         'rev_page' => $title->getArticleID(),
 622                         'rev_text_id' => '2',
 623                         'rev_timestamp' => '20171017114835',
 624                         'rev_user_text' => '127.0.0.1',
 625                         'rev_user' => '0',
 626                         'rev_minor_edit' => '0',
 627                         'rev_deleted' => '0',
 628                         'rev_len' => '46',
 629                         'rev_parent_id' => '1',
 630                         'rev_sha1' => 'rdqbbzs3pkhihgbs8qf2q9jsvheag5z',
 631                         'rev_comment_text' => 'Goat Comment!',
 632                         'rev_comment_data' => null,
 633                         'rev_comment_cid' => null,
 634                         'rev_content_format' => 'GOATFORMAT',
 635                         'rev_content_model' => 'GOATMODEL',
 636                 ];
 637
 638                 $db = $this->getMock( IDatabase::class );
 639                 $db->expects( $this->any() )
 640                         ->method( 'getDomainId' )
 641                         ->will( $this->returnValue( wfWikiID() ) );
 642                 $db->expects( $this->once() )
 643                         ->method( 'selectRow' )
 644                         ->with(
 645                                 $this->equalTo( [ 'revision', 'page', 'user' ] ),
 646                                 // We don't really care about the fields are they come from the selectField methods
 647                                 $this->isType( 'array' ),
 648                                 $this->equalTo( $conditions ),
 649                                 // Method name
 650                                 $this->stringContains( 'fetchRevisionRowFromConds' ),
 651                                 // We don't really care about the options here
 652                                 $this->isType( 'array' ),
 653                                 // We don't really care about the join conds are they come from the joinCond methods
 654                                 $this->isType( 'array' )
 655                         )
 656                         ->willReturn( $row );
 657
 658                 $revision = Revision::loadFromTitle( $db, $title );
 659
 660                 $this->assertEquals( $title->getArticleID(), $revision->getTitle()->getArticleID() );
 661                 $this->assertEquals( $row->rev_id, $revision->getId() );
 662                 $this->assertEquals( $row->rev_len, $revision->getSize() );
 663                 $this->assertEquals( $row->rev_sha1, $revision->getSha1() );
 664                 $this->assertEquals( $row->rev_parent_id, $revision->getParentId() );
 665                 $this->assertEquals( $row->rev_timestamp, $revision->getTimestamp() );
 666                 $this->assertEquals( $row->rev_comment_text, $revision->getComment() );
 667                 $this->assertEquals( $row->rev_user_text, $revision->getUserText() );
 668         }
 669
 670         public function provideDecompressRevisionText() {
 671                 yield '(no legacy encoding), false in false out' => [ false, false, [], false ];
 672                 yield '(no legacy encoding), empty in empty out' => [ false, '', [], '' ];
 673                 yield '(no legacy encoding), empty in empty out' => [ false, 'A', [], 'A' ];
 674                 yield '(no legacy encoding), string in with gzip flag returns string' => [
 675                         // gzip string below generated with gzdeflate( 'AAAABBAAA' )
 676                         false, "sttttr\002\022\000", [ 'gzip' ], 'AAAABBAAA',
 677                 ];
 678                 yield '(no legacy encoding), string in with object flag returns false' => [
 679                         // gzip string below generated with serialize( 'JOJO' )
 680                         false, "s:4:\"JOJO\";", [ 'object' ], false,
 681                 ];
 682                 yield '(no legacy encoding), serialized object in with object flag returns string' => [
 683                         false,
 684                         // Using a TitleValue object as it has a getText method (which is needed)
 685                         serialize( new TitleValue( 0, 'HHJJDDFF' ) ),
 686                         [ 'object' ],
 687                         'HHJJDDFF',
 688                 ];
 689                 yield '(no legacy encoding), serialized object in with object & gzip flag returns string' => [
 690                         false,
 691                         // Using a TitleValue object as it has a getText method (which is needed)
 692                         gzdeflate( serialize( new TitleValue( 0, '8219JJJ840' ) ) ),
 693                         [ 'object', 'gzip' ],
 694                         '8219JJJ840',
 695                 ];
 696                 yield '(ISO-8859-1 encoding), string in string out' => [
 697                         'ISO-8859-1',
 698                         iconv( 'utf-8', 'ISO-8859-1', "1®Àþ1" ),
 699                         [],
 700                         '1®Àþ1',
 701                 ];
 702                 yield '(ISO-8859-1 encoding), serialized object in with gzip flags returns string' => [
 703                         'ISO-8859-1',
 704                         gzdeflate( iconv( 'utf-8', 'ISO-8859-1', "4®Àþ4" ) ),
 705                         [ 'gzip' ],
 706                         '4®Àþ4',
 707                 ];
 708                 yield '(ISO-8859-1 encoding), serialized object in with object flags returns string' => [
 709                         'ISO-8859-1',
 710                         serialize( new TitleValue( 0, iconv( 'utf-8', 'ISO-8859-1', "3®Àþ3" ) ) ),
 711                         [ 'object' ],
 712                         '3®Àþ3',
 713                 ];
 714                 yield '(ISO-8859-1 encoding), serialized object in with object & gzip flags returns string' => [
 715                         'ISO-8859-1',
 716                         gzdeflate( serialize( new TitleValue( 0, iconv( 'utf-8', 'ISO-8859-1', "2®Àþ2" ) ) ) ),
 717                         [ 'gzip', 'object' ],
 718                         '2®Àþ2',
 719                 ];
 720         }
 721
 722         /**
 723          * @dataProvider provideDecompressRevisionText
 724          * @covers Revision::decompressRevisionText
 725          *
 726          * @param bool $legacyEncoding
 727          * @param mixed $text
 728          * @param array $flags
 729          * @param mixed $expected
 730          */
 731         public function testDecompressRevisionText( $legacyEncoding, $text, $flags, $expected ) {
 732                 $blobStore = $this->getBlobStore();
 733                 if ( $legacyEncoding ) {
 734                         $blobStore->setLegacyEncoding( $legacyEncoding, Language::factory( 'en' ) );
 735                 }
 736
 737                 $this->setService( 'BlobStoreFactory', $this->mockBlobStoreFactory( $blobStore ) );
 738                 $this->assertSame(
 739                         $expected,
 740                         Revision::decompressRevisionText( $text, $flags )
 741                 );
 742         }
 743
 744         /**
 745          * @covers Revision::getRevisionText
 746          */
 747         public function testGetRevisionText_returnsFalseWhenNoTextField() {
 748                 $this->assertFalse( Revision::getRevisionText( new stdClass() ) );
 749         }
 750
 751         public function provideTestGetRevisionText_returnsDecompressedTextFieldWhenNotExternal() {
 752                 yield 'Just text' => [
 753                         (object)[ 'old_text' => 'SomeText' ],
 754                         'old_',
 755                         'SomeText'
 756                 ];
 757                 // gzip string below generated with gzdeflate( 'AAAABBAAA' )
 758                 yield 'gzip text' => [
 759                         (object)[
 760                                 'old_text' => "sttttr\002\022\000",
 761                                 'old_flags' => 'gzip'
 762                         ],
 763                         'old_',
 764                         'AAAABBAAA'
 765                 ];
 766                 yield 'gzip text and different prefix' => [
 767                         (object)[
 768                                 'jojo_text' => "sttttr\002\022\000",
 769                                 'jojo_flags' => 'gzip'
 770                         ],
 771                         'jojo_',
 772                         'AAAABBAAA'
 773                 ];
 774         }
 775
 776         /**
 777          * @dataProvider provideTestGetRevisionText_returnsDecompressedTextFieldWhenNotExternal
 778          * @covers Revision::getRevisionText
 779          */
 780         public function testGetRevisionText_returnsDecompressedTextFieldWhenNotExternal(
 781                 $row,
 782                 $prefix,
 783                 $expected
 784         ) {
 785                 $this->assertSame( $expected, Revision::getRevisionText( $row, $prefix ) );
 786         }
 787
 788         public function provideTestGetRevisionText_external_returnsFalseWhenNotEnoughUrlParts() {
 789                 yield 'Just some text' => [ 'someNonUrlText' ];
 790                 yield 'No second URL part' => [ 'someProtocol://' ];
 791         }
 792
 793         /**
 794          * @dataProvider provideTestGetRevisionText_external_returnsFalseWhenNotEnoughUrlParts
 795          * @covers Revision::getRevisionText
 796          */
 797         public function testGetRevisionText_external_returnsFalseWhenNotEnoughUrlParts(
 798                 $text
 799         ) {
 800                 $this->assertFalse(
 801                         Revision::getRevisionText(
 802                                 (object)[
 803                                         'old_text' => $text,
 804                                         'old_flags' => 'external',
 805                                 ]
 806                         )
 807                 );
 808         }
 809
 810         /**
 811          * @covers Revision::getRevisionText
 812          */
 813         public function testGetRevisionText_external_noOldId() {
 814                 $this->setService(
 815                         'ExternalStoreFactory',
 816                         new ExternalStoreFactory( [ 'ForTesting' ] )
 817                 );
 818                 $this->assertSame(
 819                         'AAAABBAAA',
 820                         Revision::getRevisionText(
 821                                 (object)[
 822                                         'old_text' => 'ForTesting://cluster1/12345',
 823                                         'old_flags' => 'external,gzip',
 824                                 ]
 825                         )
 826                 );
 827         }
 828
 829         /**
 830          * @covers Revision::getRevisionText
 831          */
 832         public function testGetRevisionText_external_oldId() {
 833                 $cache = $this->getWANObjectCache();
 834                 $this->setService( 'MainWANObjectCache', $cache );
 835
 836                 $this->setService(
 837                         'ExternalStoreFactory',
 838                         new ExternalStoreFactory( [ 'ForTesting' ] )
 839                 );
 840
 841                 $lb = $this->getMockBuilder( LoadBalancer::class )
 842                         ->disableOriginalConstructor()
 843                         ->getMock();
 844
 845                 $blobStore = new SqlBlobStore( $lb, $cache );
 846                 $this->setService( 'BlobStoreFactory', $this->mockBlobStoreFactory( $blobStore ) );
 847
 848                 $this->assertSame(
 849                         'AAAABBAAA',
 850                         Revision::getRevisionText(
 851                                 (object)[
 852                                         'old_text' => 'ForTesting://cluster1/12345',
 853                                         'old_flags' => 'external,gzip',
 854                                         'old_id' => '7777',
 855                                 ]
 856                         )
 857                 );
 858
 859                 $cacheKey = $cache->makeKey( 'revisiontext', 'textid', 'tt:7777' );
 860                 $this->assertSame( 'AAAABBAAA', $cache->get( $cacheKey ) );
 861         }
 862
 863         /**
 864          * @covers Revision::userJoinCond
 865          */
 866         public function testUserJoinCond() {
 867                 $this->hideDeprecated( 'Revision::userJoinCond' );
 868                 $this->assertEquals(
 869                         [ 'LEFT JOIN', [ 'rev_user != 0', 'user_id = rev_user' ] ],
 870                         Revision::userJoinCond()
 871                 );
 872         }
 873
 874         /**
 875          * @covers Revision::pageJoinCond
 876          */
 877         public function testPageJoinCond() {
 878                 $this->hideDeprecated( 'Revision::pageJoinCond' );
 879                 $this->assertEquals(
 880                         [ 'INNER JOIN', [ 'page_id = rev_page' ] ],
 881                         Revision::pageJoinCond()
 882                 );
 883         }
 884
 885         private function overrideCommentStore() {
 886                 $mockStore = $this->getMockBuilder( CommentStore::class )
 887                         ->disableOriginalConstructor()
 888                         ->getMock();
 889                 $mockStore->expects( $this->any() )
 890                         ->method( 'getFields' )
 891                         ->willReturn( [ 'commentstore' => 'fields' ] );
 892                 $mockStore->expects( $this->any() )
 893                         ->method( 'getJoin' )
 894                         ->willReturn( [
 895                                 'tables' => [ 'commentstore' => 'table' ],
 896                                 'fields' => [ 'commentstore' => 'field' ],
 897                                 'joins' => [ 'commentstore' => 'join' ],
 898                         ] );
 899
 900                 $this->setService( 'CommentStore', $mockStore );
 901         }
 902
 903         public function provideSelectFields() {
 904                 yield [
 905                         true,
 906                         [
 907                                 'rev_id',
 908                                 'rev_page',
 909                                 'rev_text_id',
 910                                 'rev_timestamp',
 911                                 'rev_user_text',
 912                                 'rev_user',
 913                                 'rev_minor_edit',
 914                                 'rev_deleted',
 915                                 'rev_len',
 916                                 'rev_parent_id',
 917                                 'rev_sha1',
 918                                 'commentstore' => 'fields',
 919                                 'rev_content_format',
 920                                 'rev_content_model',
 921                         ]
 922                 ];
 923                 yield [
 924                         false,
 925                         [
 926                                 'rev_id',
 927                                 'rev_page',
 928                                 'rev_text_id',
 929                                 'rev_timestamp',
 930                                 'rev_user_text',
 931                                 'rev_user',
 932                                 'rev_minor_edit',
 933                                 'rev_deleted',
 934                                 'rev_len',
 935                                 'rev_parent_id',
 936                                 'rev_sha1',
 937                                 'commentstore' => 'fields',
 938                         ]
 939                 ];
 940         }
 941
 942         /**
 943          * @dataProvider provideSelectFields
 944          * @covers Revision::selectFields
 945          */
 946         public function testSelectFields( $contentHandlerUseDB, $expected ) {
 947                 $this->hideDeprecated( 'Revision::selectFields' );
 948                 $this->setMwGlobals( 'wgContentHandlerUseDB', $contentHandlerUseDB );
 949                 $this->overrideCommentStore();
 950                 $this->assertEquals( $expected, Revision::selectFields() );
 951         }
 952
 953         public function provideSelectArchiveFields() {
 954                 yield [
 955                         true,
 956                         [
 957                                 'ar_id',
 958                                 'ar_page_id',
 959                                 'ar_rev_id',
 960                                 'ar_text',
 961                                 'ar_text_id',
 962                                 'ar_timestamp',
 963                                 'ar_user_text',
 964                                 'ar_user',
 965                                 'ar_minor_edit',
 966                                 'ar_deleted',
 967                                 'ar_len',
 968                                 'ar_parent_id',
 969                                 'ar_sha1',
 970                                 'commentstore' => 'fields',
 971                                 'ar_content_format',
 972                                 'ar_content_model',
 973                         ]
 974                 ];
 975                 yield [
 976                         false,
 977                         [
 978                                 'ar_id',
 979                                 'ar_page_id',
 980                                 'ar_rev_id',
 981                                 'ar_text',
 982                                 'ar_text_id',
 983                                 'ar_timestamp',
 984                                 'ar_user_text',
 985                                 'ar_user',
 986                                 'ar_minor_edit',
 987                                 'ar_deleted',
 988                                 'ar_len',
 989                                 'ar_parent_id',
 990                                 'ar_sha1',
 991                                 'commentstore' => 'fields',
 992                         ]
 993                 ];
 994         }
 995
 996         /**
 997          * @dataProvider provideSelectArchiveFields
 998          * @covers Revision::selectArchiveFields
 999          */
1000         public function testSelectArchiveFields( $contentHandlerUseDB, $expected ) {
1001                 $this->hideDeprecated( 'Revision::selectArchiveFields' );
1002                 $this->setMwGlobals( 'wgContentHandlerUseDB', $contentHandlerUseDB );
1003                 $this->overrideCommentStore();
1004                 $this->assertEquals( $expected, Revision::selectArchiveFields() );
1005         }
1006
1007         /**
1008          * @covers Revision::selectTextFields
1009          */
1010         public function testSelectTextFields() {
1011                 $this->hideDeprecated( 'Revision::selectTextFields' );
1012                 $this->assertEquals(
1013                         [
1014                                 'old_text',
1015                                 'old_flags',
1016                         ],
1017                         Revision::selectTextFields()
1018                 );
1019         }
1020
1021         /**
1022          * @covers Revision::selectPageFields
1023          */
1024         public function testSelectPageFields() {
1025                 $this->hideDeprecated( 'Revision::selectPageFields' );
1026                 $this->assertEquals(
1027                         [
1028                                 'page_namespace',
1029                                 'page_title',
1030                                 'page_id',
1031                                 'page_latest',
1032                                 'page_is_redirect',
1033                                 'page_len',
1034                         ],
1035                         Revision::selectPageFields()
1036                 );
1037         }
1038
1039         /**
1040          * @covers Revision::selectUserFields
1041          */
1042         public function testSelectUserFields() {
1043                 $this->hideDeprecated( 'Revision::selectUserFields' );
1044                 $this->assertEquals(
1045                         [
1046                                 'user_name',
1047                         ],
1048                         Revision::selectUserFields()
1049                 );
1050         }
1051
1052         public function provideGetArchiveQueryInfo() {
1053                 yield 'wgContentHandlerUseDB false' => [
1054                         [
1055                                 'wgContentHandlerUseDB' => false,
1056                         ],
1057                         [
1058                                 'tables' => [
1059                                         'archive',
1060                                         'commentstore' => 'table',
1061                                 ],
1062                                 'fields' => [
1063                                         'ar_id',
1064                                         'ar_page_id',
1065                                         'ar_namespace',
1066                                         'ar_title',
1067                                         'ar_rev_id',
1068                                         'ar_text',
1069                                         'ar_text_id',
1070                                         'ar_timestamp',
1071                                         'ar_user_text',
1072                                         'ar_user',
1073                                         'ar_minor_edit',
1074                                         'ar_deleted',
1075                                         'ar_len',
1076                                         'ar_parent_id',
1077                                         'ar_sha1',
1078                                         'commentstore' => 'field'
1079                                 ],
1080                                 'joins' => [ 'commentstore' => 'join' ],
1081                         ]
1082                 ];
1083                 yield 'wgContentHandlerUseDB true' => [
1084                         [
1085                                 'wgContentHandlerUseDB' => true,
1086                         ],
1087                         [
1088                                 'tables' => [
1089                                         'archive',
1090                                         'commentstore' => 'table',
1091                                 ],
1092                                 'fields' => [
1093                                         'ar_id',
1094                                         'ar_page_id',
1095                                         'ar_namespace',
1096                                         'ar_title',
1097                                         'ar_rev_id',
1098                                         'ar_text',
1099                                         'ar_text_id',
1100                                         'ar_timestamp',
1101                                         'ar_user_text',
1102                                         'ar_user',
1103                                         'ar_minor_edit',
1104                                         'ar_deleted',
1105                                         'ar_len',
1106                                         'ar_parent_id',
1107                                         'ar_sha1',
1108                                         'commentstore' => 'field',
1109                                         'ar_content_format',
1110                                         'ar_content_model',
1111                                 ],
1112                                 'joins' => [ 'commentstore' => 'join' ],
1113                         ]
1114                 ];
1115         }
1116
1117         /**
1118          * @covers Revision::getArchiveQueryInfo
1119          * @dataProvider provideGetArchiveQueryInfo
1120          */
1121         public function testGetArchiveQueryInfo( $globals, $expected ) {
1122                 $this->setMwGlobals( $globals );
1123                 $this->overrideCommentStore();
1124
1125                 $revisionStore = $this->getRevisionStore();
1126                 $revisionStore->setContentHandlerUseDB( $globals['wgContentHandlerUseDB'] );
1127                 $this->setService( 'RevisionStore', $revisionStore );
1128                 $this->assertEquals(
1129                         $expected,
1130                         Revision::getArchiveQueryInfo()
1131                 );
1132         }
1133
1134         public function provideGetQueryInfo() {
1135                 yield 'wgContentHandlerUseDB false, opts none' => [
1136                         [
1137                                 'wgContentHandlerUseDB' => false,
1138                         ],
1139                         [],
1140                         [
1141                                 'tables' => [ 'revision', 'commentstore' => 'table' ],
1142                                 'fields' => [
1143                                         'rev_id',
1144                                         'rev_page',
1145                                         'rev_text_id',
1146                                         'rev_timestamp',
1147                                         'rev_user_text',
1148                                         'rev_user',
1149                                         'rev_minor_edit',
1150                                         'rev_deleted',
1151                                         'rev_len',
1152                                         'rev_parent_id',
1153                                         'rev_sha1',
1154                                         'commentstore' => 'field',
1155                                 ],
1156                                 'joins' => [ 'commentstore' => 'join' ],
1157                         ],
1158                 ];
1159                 yield 'wgContentHandlerUseDB false, opts page' => [
1160                         [
1161                                 'wgContentHandlerUseDB' => false,
1162                         ],
1163                         [ 'page' ],
1164                         [
1165                                 'tables' => [ 'revision', 'commentstore' => 'table', 'page' ],
1166                                 'fields' => [
1167                                         'rev_id',
1168                                         'rev_page',
1169                                         'rev_text_id',
1170                                         'rev_timestamp',
1171                                         'rev_user_text',
1172                                         'rev_user',
1173                                         'rev_minor_edit',
1174                                         'rev_deleted',
1175                                         'rev_len',
1176                                         'rev_parent_id',
1177                                         'rev_sha1',
1178                                         'commentstore' => 'field',
1179                                         'page_namespace',
1180                                         'page_title',
1181                                         'page_id',
1182                                         'page_latest',
1183                                         'page_is_redirect',
1184                                         'page_len',
1185                                 ],
1186                                 'joins' => [
1187                                         'page' => [
1188                                                 'INNER JOIN',
1189                                                 [ 'page_id = rev_page' ],
1190                                         ],
1191                                         'commentstore' => 'join',
1192                                 ],
1193                         ],
1194                 ];
1195                 yield 'wgContentHandlerUseDB false, opts user' => [
1196                         [
1197                                 'wgContentHandlerUseDB' => false,
1198                         ],
1199                         [ 'user' ],
1200                         [
1201                                 'tables' => [ 'revision', 'commentstore' => 'table', 'user' ],
1202                                 'fields' => [
1203                                         'rev_id',
1204                                         'rev_page',
1205                                         'rev_text_id',
1206                                         'rev_timestamp',
1207                                         'rev_user_text',
1208                                         'rev_user',
1209                                         'rev_minor_edit',
1210                                         'rev_deleted',
1211                                         'rev_len',
1212                                         'rev_parent_id',
1213                                         'rev_sha1',
1214                                         'commentstore' => 'field',
1215                                         'user_name',
1216                                 ],
1217                                 'joins' => [
1218                                         'user' => [
1219                                                 'LEFT JOIN',
1220                                                 [
1221                                                         'rev_user != 0',
1222                                                         'user_id = rev_user',
1223                                                 ],
1224                                         ],
1225                                         'commentstore' => 'join',
1226                                 ],
1227                         ],
1228                 ];
1229                 yield 'wgContentHandlerUseDB false, opts text' => [
1230                         [
1231                                 'wgContentHandlerUseDB' => false,
1232                         ],
1233                         [ 'text' ],
1234                         [
1235                                 'tables' => [ 'revision', 'commentstore' => 'table', 'text' ],
1236                                 'fields' => [
1237                                         'rev_id',
1238                                         'rev_page',
1239                                         'rev_text_id',
1240                                         'rev_timestamp',
1241                                         'rev_user_text',
1242                                         'rev_user',
1243                                         'rev_minor_edit',
1244                                         'rev_deleted',
1245                                         'rev_len',
1246                                         'rev_parent_id',
1247                                         'rev_sha1',
1248                                         'commentstore' => 'field',
1249                                         'old_text',
1250                                         'old_flags',
1251                                 ],
1252                                 'joins' => [
1253                                         'text' => [
1254                                                 'INNER JOIN',
1255                                                 [ 'rev_text_id=old_id' ],
1256                                         ],
1257                                         'commentstore' => 'join',
1258                                 ],
1259                         ],
1260                 ];
1261                 yield 'wgContentHandlerUseDB false, opts 3' => [
1262                         [
1263                                 'wgContentHandlerUseDB' => false,
1264                         ],
1265                         [ 'text', 'page', 'user' ],
1266                         [
1267                                 'tables' => [ 'revision', 'commentstore' => 'table', 'page', 'user', 'text' ],
1268                                 'fields' => [
1269                                         'rev_id',
1270                                         'rev_page',
1271                                         'rev_text_id',
1272                                         'rev_timestamp',
1273                                         'rev_user_text',
1274                                         'rev_user',
1275                                         'rev_minor_edit',
1276                                         'rev_deleted',
1277                                         'rev_len',
1278                                         'rev_parent_id',
1279                                         'rev_sha1',
1280                                         'commentstore' => 'field',
1281                                         'page_namespace',
1282                                         'page_title',
1283                                         'page_id',
1284                                         'page_latest',
1285                                         'page_is_redirect',
1286                                         'page_len',
1287                                         'user_name',
1288                                         'old_text',
1289                                         'old_flags',
1290                                 ],
1291                                 'joins' => [
1292                                         'page' => [
1293                                                 'INNER JOIN',
1294                                                 [ 'page_id = rev_page' ],
1295                                         ],
1296                                         'user' => [
1297                                                 'LEFT JOIN',
1298                                                 [
1299                                                         'rev_user != 0',
1300                                                         'user_id = rev_user',
1301                                                 ],
1302                                         ],
1303                                         'text' => [
1304                                                 'INNER JOIN',
1305                                                 [ 'rev_text_id=old_id' ],
1306                                         ],
1307                                         'commentstore' => 'join',
1308                                 ],
1309                         ],
1310                 ];
1311                 yield 'wgContentHandlerUseDB true, opts none' => [
1312                         [
1313                                 'wgContentHandlerUseDB' => true,
1314                         ],
1315                         [],
1316                         [
1317                                 'tables' => [ 'revision', 'commentstore' => 'table' ],
1318                                 'fields' => [
1319                                         'rev_id',
1320                                         'rev_page',
1321                                         'rev_text_id',
1322                                         'rev_timestamp',
1323                                         'rev_user_text',
1324                                         'rev_user',
1325                                         'rev_minor_edit',
1326                                         'rev_deleted',
1327                                         'rev_len',
1328                                         'rev_parent_id',
1329                                         'rev_sha1',
1330                                         'commentstore' => 'field',
1331                                         'rev_content_format',
1332                                         'rev_content_model',
1333                                 ],
1334                                 'joins' => [ 'commentstore' => 'join' ],
1335                         ],
1336                 ];
1337         }
1338
1339         /**
1340          * @covers Revision::getQueryInfo
1341          * @dataProvider provideGetQueryInfo
1342          */
1343         public function testGetQueryInfo( $globals, $options, $expected ) {
1344                 $this->setMwGlobals( $globals );
1345                 $this->overrideCommentStore();
1346
1347                 $revisionStore = $this->getRevisionStore();
1348                 $revisionStore->setContentHandlerUseDB( $globals['wgContentHandlerUseDB'] );
1349                 $this->setService( 'RevisionStore', $revisionStore );
1350
1351                 $this->assertEquals(
1352                         $expected,
1353                         Revision::getQueryInfo( $options )
1354                 );
1355         }
1356
1357         /**
1358          * @covers Revision::getSize
1359          */
1360         public function testGetSize() {
1361                 $title = $this->getMockTitle();
1362
1363                 $rec = new MutableRevisionRecord( $title );
1364                 $rev = new Revision( $rec, 0, $title );
1365
1366                 $this->assertSame( 0, $rev->getSize(), 'Size of no slots is 0' );
1367
1368                 $rec->setSize( 13 );
1369                 $this->assertSame( 13, $rev->getSize() );
1370         }
1371
1372         /**
1373          * @covers Revision::getSize
1374          */
1375         public function testGetSize_failure() {
1376                 $title = $this->getMockTitle();
1377
1378                 $rec = $this->getMockBuilder( RevisionRecord::class )
1379                         ->disableOriginalConstructor()
1380                         ->getMock();
1381
1382                 $rec->method( 'getSize' )
1383                         ->willThrowException( new RevisionAccessException( 'Oops!' ) );
1384
1385                 $rev = new Revision( $rec, 0, $title );
1386                 $this->assertNull( $rev->getSize() );
1387         }
1388
1389         /**
1390          * @covers Revision::getSha1
1391          */
1392         public function testGetSha1() {
1393                 $title = $this->getMockTitle();
1394
1395                 $rec = new MutableRevisionRecord( $title );
1396                 $rev = new Revision( $rec, 0, $title );
1397
1398                 $emptyHash = SlotRecord::base36Sha1( '' );
1399                 $this->assertSame( $emptyHash, $rev->getSha1(), 'Sha1 of no slots is hash of empty string' );
1400
1401                 $rec->setSha1( 'deadbeef' );
1402                 $this->assertSame( 'deadbeef', $rev->getSha1() );
1403         }
1404
1405         /**
1406          * @covers Revision::getSha1
1407          */
1408         public function testGetSha1_failure() {
1409                 $title = $this->getMockTitle();
1410
1411                 $rec = $this->getMockBuilder( RevisionRecord::class )
1412                         ->disableOriginalConstructor()
1413                         ->getMock();
1414
1415                 $rec->method( 'getSha1' )
1416                         ->willThrowException( new RevisionAccessException( 'Oops!' ) );
1417
1418                 $rev = new Revision( $rec, 0, $title );
1419                 $this->assertNull( $rev->getSha1() );
1420         }
1421
1422         /**
1423          * @covers Revision::getContent
1424          */
1425         public function testGetContent() {
1426                 $title = $this->getMockTitle();
1427
1428                 $rec = new MutableRevisionRecord( $title );
1429                 $rev = new Revision( $rec, 0, $title );
1430
1431                 $this->assertNull( $rev->getContent(), 'Content of no slots is null' );
1432
1433                 $content = new TextContent( 'Hello Kittens!' );
1434                 $rec->setContent( 'main', $content );
1435                 $this->assertSame( $content, $rev->getContent() );
1436         }
1437
1438         /**
1439          * @covers Revision::getContent
1440          */
1441         public function testGetContent_failure() {
1442                 $title = $this->getMockTitle();
1443
1444                 $rec = $this->getMockBuilder( RevisionRecord::class )
1445                         ->disableOriginalConstructor()
1446                         ->getMock();
1447
1448                 $rec->method( 'getContent' )
1449                         ->willThrowException( new RevisionAccessException( 'Oops!' ) );
1450
1451                 $rev = new Revision( $rec, 0, $title );
1452                 $this->assertNull( $rev->getContent() );
1453         }
1454
1455 }