tests/phpunit/includes/RevisionStorageTest.php

   1 <?php
   2
   3 /**
   4  * Test class for Revision storage.
   5  *
   6  * @group ContentHandler
   7  * @group Database
   8  * ^--- important, causes temporary tables to be used instead of the real database
   9  *
  10  * @group medium
  11  * ^--- important, causes tests not to fail with timeout
  12  */
  13 class RevisionStorageTest extends MediaWikiTestCase {
  14         /**
  15          * @var WikiPage $the_page
  16          */
  17         private $the_page;
  18
  19         function __construct( $name = null, array $data = array(), $dataName = '' ) {
  20                 parent::__construct( $name, $data, $dataName );
  21
  22                 $this->tablesUsed = array_merge( $this->tablesUsed,
  23                         array( 'page',
  24                                 'revision',
  25                                 'text',
  26
  27                                 'recentchanges',
  28                                 'logging',
  29
  30                                 'page_props',
  31                                 'pagelinks',
  32                                 'categorylinks',
  33                                 'langlinks',
  34                                 'externallinks',
  35                                 'imagelinks',
  36                                 'templatelinks',
  37                                 'iwlinks' ) );
  38         }
  39
  40         protected function setUp() {
  41                 global $wgExtraNamespaces, $wgNamespaceContentModels, $wgContentHandlers, $wgContLang;
  42
  43                 parent::setUp();
  44
  45                 $wgExtraNamespaces[12312] = 'Dummy';
  46                 $wgExtraNamespaces[12313] = 'Dummy_talk';
  47
  48                 $wgNamespaceContentModels[12312] = 'DUMMY';
  49                 $wgContentHandlers['DUMMY'] = 'DummyContentHandlerForTesting';
  50
  51                 MWNamespace::getCanonicalNamespaces( true ); # reset namespace cache
  52                 $wgContLang->resetNamespaces(); # reset namespace cache
  53                 if ( !$this->the_page ) {
  54                         $this->the_page = $this->createPage(
  55                                 'RevisionStorageTest_the_page',
  56                                 "just a dummy page",
  57                                 CONTENT_MODEL_WIKITEXT
  58                         );
  59                 }
  60         }
  61
  62         protected function tearDown() {
  63                 global $wgExtraNamespaces, $wgNamespaceContentModels, $wgContentHandlers, $wgContLang;
  64
  65                 parent::tearDown();
  66
  67                 unset( $wgExtraNamespaces[12312] );
  68                 unset( $wgExtraNamespaces[12313] );
  69
  70                 unset( $wgNamespaceContentModels[12312] );
  71                 unset( $wgContentHandlers['DUMMY'] );
  72
  73                 MWNamespace::getCanonicalNamespaces( true ); # reset namespace cache
  74                 $wgContLang->resetNamespaces(); # reset namespace cache
  75         }
  76
  77         protected function makeRevision( $props = null ) {
  78                 if ( $props === null ) {
  79                         $props = array();
  80                 }
  81
  82                 if ( !isset( $props['content'] ) && !isset( $props['text'] ) ) {
  83                         $props['text'] = 'Lorem Ipsum';
  84                 }
  85
  86                 if ( !isset( $props['comment'] ) ) {
  87                         $props['comment'] = 'just a test';
  88                 }
  89
  90                 if ( !isset( $props['page'] ) ) {
  91                         $props['page'] = $this->the_page->getId();
  92                 }
  93
  94                 $rev = new Revision( $props );
  95
  96                 $dbw = wfgetDB( DB_MASTER );
  97                 $rev->insertOn( $dbw );
  98
  99                 return $rev;
 100         }
 101
 102         protected function createPage( $page, $text, $model = null ) {
 103                 if ( is_string( $page ) ) {
 104                         if ( !preg_match( '/:/', $page ) &&
 105                                 ( $model === null || $model === CONTENT_MODEL_WIKITEXT )
 106                         ) {
 107                                 $ns = $this->getDefaultWikitextNS();
 108                                 $page = MWNamespace::getCanonicalName( $ns ) . ':' . $page;
 109                         }
 110
 111                         $page = Title::newFromText( $page );
 112                 }
 113
 114                 if ( $page instanceof Title ) {
 115                         $page = new WikiPage( $page );
 116                 }
 117
 118                 if ( $page->exists() ) {
 119                         $page->doDeleteArticle( "done" );
 120                 }
 121
 122                 $content = ContentHandler::makeContent( $text, $page->getTitle(), $model );
 123                 $page->doEditContent( $content, "testing", EDIT_NEW );
 124
 125                 return $page;
 126         }
 127
 128         protected function assertRevEquals( Revision $orig, Revision $rev = null ) {
 129                 $this->assertNotNull( $rev, 'missing revision' );
 130
 131                 $this->assertEquals( $orig->getId(), $rev->getId() );
 132                 $this->assertEquals( $orig->getPage(), $rev->getPage() );
 133                 $this->assertEquals( $orig->getTimestamp(), $rev->getTimestamp() );
 134                 $this->assertEquals( $orig->getUser(), $rev->getUser() );
 135                 $this->assertEquals( $orig->getContentModel(), $rev->getContentModel() );
 136                 $this->assertEquals( $orig->getContentFormat(), $rev->getContentFormat() );
 137                 $this->assertEquals( $orig->getSha1(), $rev->getSha1() );
 138         }
 139
 140         /**
 141          * @covers Revision::__construct
 142          */
 143         public function testConstructFromRow() {
 144                 $orig = $this->makeRevision();
 145
 146                 $dbr = wfgetDB( DB_SLAVE );
 147                 $res = $dbr->select( 'revision', '*', array( 'rev_id' => $orig->getId() ) );
 148                 $this->assertTrue( is_object( $res ), 'query failed' );
 149
 150                 $row = $res->fetchObject();
 151                 $res->free();
 152
 153                 $rev = new Revision( $row );
 154
 155                 $this->assertRevEquals( $orig, $rev );
 156         }
 157
 158         /**
 159          * @covers Revision::newFromRow
 160          */
 161         public function testNewFromRow() {
 162                 $orig = $this->makeRevision();
 163
 164                 $dbr = wfgetDB( DB_SLAVE );
 165                 $res = $dbr->select( 'revision', '*', array( 'rev_id' => $orig->getId() ) );
 166                 $this->assertTrue( is_object( $res ), 'query failed' );
 167
 168                 $row = $res->fetchObject();
 169                 $res->free();
 170
 171                 $rev = Revision::newFromRow( $row );
 172
 173                 $this->assertRevEquals( $orig, $rev );
 174         }
 175
 176         /**
 177          * @covers Revision::newFromArchiveRow
 178          */
 179         public function testNewFromArchiveRow() {
 180                 $page = $this->createPage(
 181                         'RevisionStorageTest_testNewFromArchiveRow',
 182                         'Lorem Ipsum',
 183                         CONTENT_MODEL_WIKITEXT
 184                 );
 185                 $orig = $page->getRevision();
 186                 $page->doDeleteArticle( 'test Revision::newFromArchiveRow' );
 187
 188                 $dbr = wfgetDB( DB_SLAVE );
 189                 $res = $dbr->select( 'archive', '*', array( 'ar_rev_id' => $orig->getId() ) );
 190                 $this->assertTrue( is_object( $res ), 'query failed' );
 191
 192                 $row = $res->fetchObject();
 193                 $res->free();
 194
 195                 $rev = Revision::newFromArchiveRow( $row );
 196
 197                 $this->assertRevEquals( $orig, $rev );
 198         }
 199
 200         /**
 201          * @covers Revision::newFromId
 202          */
 203         public function testNewFromId() {
 204                 $orig = $this->makeRevision();
 205
 206                 $rev = Revision::newFromId( $orig->getId() );
 207
 208                 $this->assertRevEquals( $orig, $rev );
 209         }
 210
 211         /**
 212          * @covers Revision::fetchRevision
 213          */
 214         public function testFetchRevision() {
 215                 $page = $this->createPage(
 216                         'RevisionStorageTest_testFetchRevision',
 217                         'one',
 218                         CONTENT_MODEL_WIKITEXT
 219                 );
 220
 221                 // Hidden process cache assertion below
 222                 $page->getRevision()->getId();
 223
 224                 $page->doEditContent( new WikitextContent( 'two' ), 'second rev' );
 225                 $id = $page->getRevision()->getId();
 226
 227                 $res = Revision::fetchRevision( $page->getTitle() );
 228
 229                 # note: order is unspecified
 230                 $rows = array();
 231                 while ( ( $row = $res->fetchObject() ) ) {
 232                         $rows[$row->rev_id] = $row;
 233                 }
 234
 235                 $this->assertEquals( 1, count( $rows ), 'expected exactly one revision' );
 236                 $this->assertArrayHasKey( $id, $rows, 'missing revision with id ' . $id );
 237         }
 238
 239         /**
 240          * @covers Revision::selectFields
 241          */
 242         public function testSelectFields() {
 243                 global $wgContentHandlerUseDB;
 244
 245                 $fields = Revision::selectFields();
 246
 247                 $this->assertTrue( in_array( 'rev_id', $fields ), 'missing rev_id in list of fields' );
 248                 $this->assertTrue( in_array( 'rev_page', $fields ), 'missing rev_page in list of fields' );
 249                 $this->assertTrue(
 250                         in_array( 'rev_timestamp', $fields ),
 251                         'missing rev_timestamp in list of fields'
 252                 );
 253                 $this->assertTrue( in_array( 'rev_user', $fields ), 'missing rev_user in list of fields' );
 254
 255                 if ( $wgContentHandlerUseDB ) {
 256                         $this->assertTrue( in_array( 'rev_content_model', $fields ),
 257                                 'missing rev_content_model in list of fields' );
 258                         $this->assertTrue( in_array( 'rev_content_format', $fields ),
 259                                 'missing rev_content_format in list of fields' );
 260                 }
 261         }
 262
 263         /**
 264          * @covers Revision::getPage
 265          */
 266         public function testGetPage() {
 267                 $page = $this->the_page;
 268
 269                 $orig = $this->makeRevision( array( 'page' => $page->getId() ) );
 270                 $rev = Revision::newFromId( $orig->getId() );
 271
 272                 $this->assertEquals( $page->getId(), $rev->getPage() );
 273         }
 274
 275         /**
 276          * @covers Revision::getText
 277          */
 278         public function testGetText() {
 279                 $this->hideDeprecated( 'Revision::getText' );
 280
 281                 $orig = $this->makeRevision( array( 'text' => 'hello hello.' ) );
 282                 $rev = Revision::newFromId( $orig->getId() );
 283
 284                 $this->assertEquals( 'hello hello.', $rev->getText() );
 285         }
 286
 287         /**
 288          * @covers Revision::getContent
 289          */
 290         public function testGetContent_failure() {
 291                 $rev = new Revision( array(
 292                         'page' => $this->the_page->getId(),
 293                         'content_model' => $this->the_page->getContentModel(),
 294                         'text_id' => 123456789, // not in the test DB
 295                 ) );
 296
 297                 $this->assertNull( $rev->getContent(),
 298                         "getContent() should return null if the revision's text blob could not be loaded." );
 299
 300                 // NOTE: check this twice, once for lazy initialization, and once with the cached value.
 301                 $this->assertNull( $rev->getContent(),
 302                         "getContent() should return null if the revision's text blob could not be loaded." );
 303         }
 304
 305         /**
 306          * @covers Revision::getContent
 307          */
 308         public function testGetContent() {
 309                 $orig = $this->makeRevision( array( 'text' => 'hello hello.' ) );
 310                 $rev = Revision::newFromId( $orig->getId() );
 311
 312                 $this->assertEquals( 'hello hello.', $rev->getContent()->getNativeData() );
 313         }
 314
 315         /**
 316          * @covers Revision::getRawText
 317          */
 318         public function testGetRawText() {
 319                 $this->hideDeprecated( 'Revision::getRawText' );
 320
 321                 $orig = $this->makeRevision( array( 'text' => 'hello hello raw.' ) );
 322                 $rev = Revision::newFromId( $orig->getId() );
 323
 324                 $this->assertEquals( 'hello hello raw.', $rev->getRawText() );
 325         }
 326
 327         /**
 328          * @covers Revision::getContentModel
 329          */
 330         public function testGetContentModel() {
 331                 global $wgContentHandlerUseDB;
 332
 333                 if ( !$wgContentHandlerUseDB ) {
 334                         $this->markTestSkipped( '$wgContentHandlerUseDB is disabled' );
 335                 }
 336
 337                 $orig = $this->makeRevision( array( 'text' => 'hello hello.',
 338                         'content_model' => CONTENT_MODEL_JAVASCRIPT ) );
 339                 $rev = Revision::newFromId( $orig->getId() );
 340
 341                 $this->assertEquals( CONTENT_MODEL_JAVASCRIPT, $rev->getContentModel() );
 342         }
 343
 344         /**
 345          * @covers Revision::getContentFormat
 346          */
 347         public function testGetContentFormat() {
 348                 global $wgContentHandlerUseDB;
 349
 350                 if ( !$wgContentHandlerUseDB ) {
 351                         $this->markTestSkipped( '$wgContentHandlerUseDB is disabled' );
 352                 }
 353
 354                 $orig = $this->makeRevision( array(
 355                         'text' => 'hello hello.',
 356                         'content_model' => CONTENT_MODEL_JAVASCRIPT,
 357                         'content_format' => CONTENT_FORMAT_JAVASCRIPT
 358                 ) );
 359                 $rev = Revision::newFromId( $orig->getId() );
 360
 361                 $this->assertEquals( CONTENT_FORMAT_JAVASCRIPT, $rev->getContentFormat() );
 362         }
 363
 364         /**
 365          * @covers Revision::isCurrent
 366          */
 367         public function testIsCurrent() {
 368                 $page = $this->createPage(
 369                         'RevisionStorageTest_testIsCurrent',
 370                         'Lorem Ipsum',
 371                         CONTENT_MODEL_WIKITEXT
 372                 );
 373                 $rev1 = $page->getRevision();
 374
 375                 # @todo find out if this should be true
 376                 # $this->assertTrue( $rev1->isCurrent() );
 377
 378                 $rev1x = Revision::newFromId( $rev1->getId() );
 379                 $this->assertTrue( $rev1x->isCurrent() );
 380
 381                 $page->doEditContent(
 382                         ContentHandler::makeContent( 'Bla bla', $page->getTitle(), CONTENT_MODEL_WIKITEXT ),
 383                         'second rev'
 384                 );
 385                 $rev2 = $page->getRevision();
 386
 387                 # @todo find out if this should be true
 388                 # $this->assertTrue( $rev2->isCurrent() );
 389
 390                 $rev1x = Revision::newFromId( $rev1->getId() );
 391                 $this->assertFalse( $rev1x->isCurrent() );
 392
 393                 $rev2x = Revision::newFromId( $rev2->getId() );
 394                 $this->assertTrue( $rev2x->isCurrent() );
 395         }
 396
 397         /**
 398          * @covers Revision::getPrevious
 399          */
 400         public function testGetPrevious() {
 401                 $page = $this->createPage(
 402                         'RevisionStorageTest_testGetPrevious',
 403                         'Lorem Ipsum testGetPrevious',
 404                         CONTENT_MODEL_WIKITEXT
 405                 );
 406                 $rev1 = $page->getRevision();
 407
 408                 $this->assertNull( $rev1->getPrevious() );
 409
 410                 $page->doEditContent(
 411                         ContentHandler::makeContent( 'Bla bla', $page->getTitle(), CONTENT_MODEL_WIKITEXT ),
 412                         'second rev testGetPrevious' );
 413                 $rev2 = $page->getRevision();
 414
 415                 $this->assertNotNull( $rev2->getPrevious() );
 416                 $this->assertEquals( $rev1->getId(), $rev2->getPrevious()->getId() );
 417         }
 418
 419         /**
 420          * @covers Revision::getNext
 421          */
 422         public function testGetNext() {
 423                 $page = $this->createPage(
 424                         'RevisionStorageTest_testGetNext',
 425                         'Lorem Ipsum testGetNext',
 426                         CONTENT_MODEL_WIKITEXT
 427                 );
 428                 $rev1 = $page->getRevision();
 429
 430                 $this->assertNull( $rev1->getNext() );
 431
 432                 $page->doEditContent(
 433                         ContentHandler::makeContent( 'Bla bla', $page->getTitle(), CONTENT_MODEL_WIKITEXT ),
 434                         'second rev testGetNext'
 435                 );
 436                 $rev2 = $page->getRevision();
 437
 438                 $this->assertNotNull( $rev1->getNext() );
 439                 $this->assertEquals( $rev2->getId(), $rev1->getNext()->getId() );
 440         }
 441
 442         /**
 443          * @covers Revision::newNullRevision
 444          */
 445         public function testNewNullRevision() {
 446                 $page = $this->createPage(
 447                         'RevisionStorageTest_testNewNullRevision',
 448                         'some testing text',
 449                         CONTENT_MODEL_WIKITEXT
 450                 );
 451                 $orig = $page->getRevision();
 452
 453                 $dbw = wfGetDB( DB_MASTER );
 454                 $rev = Revision::newNullRevision( $dbw, $page->getId(), 'a null revision', false );
 455
 456                 $this->assertNotEquals( $orig->getId(), $rev->getId(),
 457                         'new null revision shold have a different id from the original revision' );
 458                 $this->assertEquals( $orig->getTextId(), $rev->getTextId(),
 459                         'new null revision shold have the same text id as the original revision' );
 460                 $this->assertEquals( 'some testing text', $rev->getContent()->getNativeData() );
 461         }
 462
 463         public static function provideUserWasLastToEdit() {
 464                 return array(
 465                         array( # 0
 466                                 3, true, # actually the last edit
 467                         ),
 468                         array( # 1
 469                                 2, true, # not the current edit, but still by this user
 470                         ),
 471                         array( # 2
 472                                 1, false, # edit by another user
 473                         ),
 474                         array( # 3
 475                                 0, false, # first edit, by this user, but another user edited in the mean time
 476                         ),
 477                 );
 478         }
 479
 480         /**
 481          * @dataProvider provideUserWasLastToEdit
 482          */
 483         public function testUserWasLastToEdit( $sinceIdx, $expectedLast ) {
 484                 $userA = User::newFromName( "RevisionStorageTest_userA" );
 485                 $userB = User::newFromName( "RevisionStorageTest_userB" );
 486
 487                 if ( $userA->getId() === 0 ) {
 488                         $userA = User::createNew( $userA->getName() );
 489                 }
 490
 491                 if ( $userB->getId() === 0 ) {
 492                         $userB = User::createNew( $userB->getName() );
 493                 }
 494
 495                 $ns = $this->getDefaultWikitextNS();
 496
 497                 $dbw = wfGetDB( DB_MASTER );
 498                 $revisions = array();
 499
 500                 // create revisions -----------------------------
 501                 $page = WikiPage::factory( Title::newFromText(
 502                         'RevisionStorageTest_testUserWasLastToEdit', $ns ) );
 503                 $page->insertOn( $dbw );
 504
 505                 # zero
 506                 $revisions[0] = new Revision( array(
 507                         'page' => $page->getId(),
 508                         // we need the title to determine the page's default content model
 509                         'title' => $page->getTitle(),
 510                         'timestamp' => '20120101000000',
 511                         'user' => $userA->getId(),
 512                         'text' => 'zero',
 513                         'content_model' => CONTENT_MODEL_WIKITEXT,
 514                         'summary' => 'edit zero'
 515                 ) );
 516                 $revisions[0]->insertOn( $dbw );
 517
 518                 # one
 519                 $revisions[1] = new Revision( array(
 520                         'page' => $page->getId(),
 521                         // still need the title, because $page->getId() is 0 (there's no entry in the page table)
 522                         'title' => $page->getTitle(),
 523                         'timestamp' => '20120101000100',
 524                         'user' => $userA->getId(),
 525                         'text' => 'one',
 526                         'content_model' => CONTENT_MODEL_WIKITEXT,
 527                         'summary' => 'edit one'
 528                 ) );
 529                 $revisions[1]->insertOn( $dbw );
 530
 531                 # two
 532                 $revisions[2] = new Revision( array(
 533                         'page' => $page->getId(),
 534                         'title' => $page->getTitle(),
 535                         'timestamp' => '20120101000200',
 536                         'user' => $userB->getId(),
 537                         'text' => 'two',
 538                         'content_model' => CONTENT_MODEL_WIKITEXT,
 539                         'summary' => 'edit two'
 540                 ) );
 541                 $revisions[2]->insertOn( $dbw );
 542
 543                 # three
 544                 $revisions[3] = new Revision( array(
 545                         'page' => $page->getId(),
 546                         'title' => $page->getTitle(),
 547                         'timestamp' => '20120101000300',
 548                         'user' => $userA->getId(),
 549                         'text' => 'three',
 550                         'content_model' => CONTENT_MODEL_WIKITEXT,
 551                         'summary' => 'edit three'
 552                 ) );
 553                 $revisions[3]->insertOn( $dbw );
 554
 555                 # four
 556                 $revisions[4] = new Revision( array(
 557                         'page' => $page->getId(),
 558                         'title' => $page->getTitle(),
 559                         'timestamp' => '20120101000200',
 560                         'user' => $userA->getId(),
 561                         'text' => 'zero',
 562                         'content_model' => CONTENT_MODEL_WIKITEXT,
 563                         'summary' => 'edit four'
 564                 ) );
 565                 $revisions[4]->insertOn( $dbw );
 566
 567                 // test it ---------------------------------
 568                 $since = $revisions[$sinceIdx]->getTimestamp();
 569
 570                 $wasLast = Revision::userWasLastToEdit( $dbw, $page->getId(), $userA->getId(), $since );
 571
 572                 $this->assertEquals( $expectedLast, $wasLast );
 573         }
 574 }