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<?php namespace MediaWiki\Tests\Storage; use ChangeTags; use CommentStoreComment; use MediaWiki\Config\ServiceOptions; use MediaWiki\Revision\MutableRevisionRecord; use MediaWiki\Revision\RevisionRecord; use MediaWiki\Revision\RevisionStore; use MediaWiki\Revision\SlotRecord; use MediaWiki\Storage\EditResult; use MediaWiki\Storage\EditResultBuilder; use MediaWikiIntegrationTestCase; use MockTitleTrait; use Wikimedia\Rdbms\IDatabase; use WikiPage; use WikitextContent; /** * @covers \MediaWiki\Storage\EditResultBuilder * @group Database * @see EditResultBuilderTest for non-DB tests / class EditResultBuilderDbTest extends MediaWikiIntegrationTestCase { use MockTitleTrait; private const PAGE_NAME = 'ManualRevertTestPage'; private const CONTENT_A = 'Aaa.'; private const CONTENT_B = 'Bbb.'; private const CONTENT_C = 'Ccc.'; /* @var WikiPage / private $wikiPage; /* @var RevisionRecord[] / private $revisions; /* * We track the top revision of the test page on our own to avoid having to update the * page table in the DB. * * @var RevisionRecord / private $latestTestRevision = null; /* @var RevisionStore / private $revisionStore; /* @var IDatabase / private $dbw; protected function setUp(): void { parent::setUp(); $services = $this->getServiceContainer(); $this->revisionStore = $services->getRevisionStore(); $this->dbw = $services->getDBLoadBalancer()->getConnection( DB_PRIMARY ); $this->wikiPage = $this->getExistingTestPage( self::PAGE_NAME ); $this->revisions = []; $this->revisions['C1'] = $this->insertRevisionToTestPage( self::CONTENT_C, '20050101210030' ); $this->revisions['A1'] = $this->insertRevisionToTestPage( self::CONTENT_A, '20050101210037' ); $this->revisions['B1'] = $this->insertRevisionToTestPage( self::CONTENT_B, '20050101210038' ); $this->revisions['C2'] = $this->insertRevisionToTestPage( self::CONTENT_C, '20050101210039' ); $this->revisions['A2'] = $this->insertRevisionToTestPage( self::CONTENT_A, '20050101210040' ); $this->revisions['A3'] = $this->insertRevisionToTestPage( self::CONTENT_A, '20050101210040' // same timestamp to try to confuse the query ); $this->revisions['A4'] = $this->insertRevisionToTestPage( self::CONTENT_A, '20050101210040' ); $this->revisions['B2'] = $this->insertRevisionToTestPage( self::CONTENT_B, '20050101210041' ); $this->tablesUsed = [ 'page', 'revision', 'comment', 'text', 'content' ]; } private function getLatestTestRevision(): RevisionRecord { if ( $this->latestTestRevision !== null ) { return $this->latestTestRevision; } return $this->revisionStore->getRevisionByPageId( $this->wikiPage->getId() ); } /* * Inserts a new revision of the test page to the DB with specified content. * * We do not use MediaWikiIntegrationTestCase::editPage() on purpose, it can lead to all * kinds of issues, the most significant being that it ultimately calls the code we wish * to test here. * * @param string $content * * @param string $timestamp * * @return RevisionRecord / private function insertRevisionToTestPage( string $content, string $timestamp ): RevisionRecord { $revisionRecord = $this->getNewRevisionForTestPage( $content ); $revisionRecord->setUser( $this->getTestUser()->getUser() ); $revisionRecord->setTimestamp( $timestamp ); $revisionRecord->setComment( CommentStoreComment::newUnsavedComment( '' ) ); $this->latestTestRevision = $this->revisionStore->insertRevisionOn( $revisionRecord, $this->dbw ); return $this->latestTestRevision; } /* * Returns a next in sequence revision of the test page with specified content. * * @param string $content * * @return MutableRevisionRecord / private function getNewRevisionForTestPage( string $content ): MutableRevisionRecord { $parentRevision = $this->getLatestTestRevision(); $revision = new MutableRevisionRecord( $this->wikiPage->getTitle() ); $revision->setParentId( $parentRevision->getId() ); $revision->setPageId( $this->wikiPage->getId() ); $revision->setContent( SlotRecord::MAIN, new WikitextContent( $content ) ); return $revision; } public function provideManualReverts(): array { return [ 'reverting a single edit' => [ self::CONTENT_A, 'A4', 'B2', 'B2' ], 'reverting multiple edits' => [ self::CONTENT_C, 'C2', 'A2', 'B2' ] ]; } /* * @dataProvider provideManualReverts * @covers \MediaWiki\Storage\EditResultBuilder::detectManualRevert * * @param string $content * @param string $expectedOriginalRevKey * @param string $expectedOldestRevertedRevKey * @param string $expectedNewestRevertedRevKey / public function testManualRevert( string $content, string $expectedOriginalRevKey, string $expectedOldestRevertedRevKey, string $expectedNewestRevertedRevKey ) { $erb = $this->getEditResultBuilder(); $newRevision = $this->getNewRevisionForTestPage( $content ); // we will fool the EditResultBuilder into thinking this is a saved revision $newRevision->setId( 12345 ); $erb->setRevisionRecord( $newRevision ); $er = $erb->buildEditResult(); // first some basic tests we can do without revision magic $this->assertTrue( $er->isRevert(), 'EditResult::isRevert()' ); $this->assertTrue( $er->isExactRevert(), 'EditResult::isExactRevert()' ); $this->assertSame( EditResult::REVERT_MANUAL, $er->getRevertMethod(), 'EditResult::getRevertMethod()' ); $this->assertNotFalse( $er->getOriginalRevisionId(), 'EditResult::getOriginalRevisionId()' ); $this->assertNotNull( $er->getOldestRevertedRevisionId(), 'EditResult::getOldestRevertedRevisionId()' ); $this->assertNotNull( $er->getNewestRevertedRevisionId(), 'EditResult::getNewestRevertedRevisionId()' ); $this->assertArrayEquals( [ 'mw-manual-revert' ], $er->getRevertTags(), 'EditResult::getRevertTags()' ); // test the original revision referenced by this EditResult $originalRev = $this->revisionStore->getRevisionById( $er->getOriginalRevisionId() ); $this->assertSame( $newRevision->getSha1(), $originalRev->getSha1(), "original revision's SHA1 matches new revision's SHA1" ); $expectedOriginalRev = $this->revisions[$expectedOriginalRevKey]; $this->assertSame( $expectedOriginalRev->getId(), $originalRev->getId(), "original revision's ID" ); // test the oldest reverted revision $oldestRevertedRev = $this->revisionStore->getRevisionById( $er->getOldestRevertedRevisionId() ); $expectedOldestRevertedRev = $this->revisions[$expectedOldestRevertedRevKey]; $this->assertSame( $expectedOldestRevertedRev->getId(), $oldestRevertedRev->getId(), "oldest reverted revision's ID" ); // test the newest reverted revision $newestRevertedRev = $this->revisionStore->getRevisionById( $er->getnewestRevertedRevisionId() ); $expectedNewestRevertedRev = $this->revisions[$expectedNewestRevertedRevKey]; $this->assertSame( $expectedNewestRevertedRev->getId(), $newestRevertedRev->getId(), "newest reverted revision's ID" ); } public function provideNotManualReverts(): array { return [ 'edit not changing anything' => [ self::CONTENT_B, 15 ], 'revert outside search radius' => [ self::CONTENT_C, 3 ], 'normal edit' => [ 'Some text.', 15 ] ]; } /* * @dataProvider provideNotManualReverts * @covers \MediaWiki\Storage\EditResultBuilder::detectManualRevert * * @param string $content * @param int $searchRadius / public function testNotManualRevert( string $content, int $searchRadius ) { $erb = $this->getEditResultBuilder( $searchRadius ); $parentRevision = $this->getLatestTestRevision(); $newRevision = $this->getNewRevisionForTestPage( $content ); // we will fool the EditResultBuilder into thinking this is a saved revision $newRevision->setId( 12345 ); $erb->setRevisionRecord( $newRevision ); // emulate WikiPage's behaviour for null edits if ( $newRevision->getSha1() === $parentRevision->getSha1() ) { $erb->setOriginalRevision( $parentRevision ); } $er = $erb->buildEditResult(); $this->assertFalse( $er->isRevert(), 'EditResult::isRevert()' ); $this->assertFalse( $er->isExactRevert(), 'EditResult::isExactRevert()' ); $this->assertNull( $er->getRevertMethod(), 'EditResult::getRevertMethod()' ); $this->assertNull( $er->getOldestRevertedRevisionId(), 'EditResult::getOldestRevertedRevisionId()' ); $this->assertNull( $er->getNewestRevertedRevisionId(), 'EditResult::getNewestRevertedRevisionId()' ); $this->assertArrayEquals( [], $er->getRevertTags(), 'EditResult::getRevertTags()' ); } /* * Convenience function for creating a new EditResultBuilder object. * * @param int $manualRevertSearchRadius * * @return EditResultBuilder */ private function getEditResultBuilder( int $manualRevertSearchRadius = 15 ) { $options = new ServiceOptions( EditResultBuilder::CONSTRUCTOR_OPTIONS, [ 'ManualRevertSearchRadius' => $manualRevertSearchRadius ] ); return new EditResultBuilder( $this->getServiceContainer()->getRevisionStore(), ChangeTags::listSoftwareDefinedTags(), $options ); } }

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