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<?php
use MediaWiki\Title\Title;
/**
* @group Database
* @group Cache
* @covers \MediaWiki\Cache\BacklinkCache
*/
class BacklinkCacheTest extends MediaWikiIntegrationTestCase {
/** @var array */
private static $backlinkCacheTest;
public function addDBDataOnce() {
$this->insertPage( 'Template:BacklinkCacheTestA', 'wooooooo' );
$this->insertPage( 'Template:BacklinkCacheTestB', '{{BacklinkCacheTestA}}' );
self::$backlinkCacheTest = $this->insertPage( 'BacklinkCacheTest_1', '{{BacklinkCacheTestB}}' );
$this->insertPage( 'BacklinkCacheTest_2', '[[BacklinkCacheTest_1]] [[Image:test.png]]' );
$this->insertPage( 'BacklinkCacheTest_3', '[[BacklinkCacheTest_1]]' );
$this->insertPage( 'BacklinkCacheTest_4', '[[BacklinkCacheTest_1]]' );
$this->insertPage( 'BacklinkCacheTest_5', '[[BacklinkCacheTest_1]]' );
$cascade = 1;
$this->getServiceContainer()->getWikiPageFactory()->newFromTitle( self::$backlinkCacheTest['title'] )->doUpdateRestrictions(
[ 'edit' => 'sysop' ],
[],
$cascade,
'test',
$this->getTestSysop()->getUser()
);
}
public static function provideCasesForHasLink() {
return [
[ true, 'BacklinkCacheTest_1', 'pagelinks' ],
[ false, 'BacklinkCacheTest_2', 'pagelinks' ],
[ true, 'Image:test.png', 'imagelinks' ]
];
}
/**
* @dataProvider provideCasesForHasLink
* @covers \MediaWiki\Cache\BacklinkCache::hasLinks
*/
public function testHasLink( bool $expected, string $title, string $table, string $msg = '' ) {
$blcFactory = $this->getServiceContainer()->getBacklinkCacheFactory();
$backlinkCache = $blcFactory->getBacklinkCache( Title::newFromText( $title ) );
$this->assertEquals( $expected, $backlinkCache->hasLinks( $table ), $msg );
}
public static function provideCasesForGetNumLinks() {
return [
[ 4, 'BacklinkCacheTest_1', 'pagelinks' ],
[ 0, 'BacklinkCacheTest_2', 'pagelinks' ],
[ 1, 'Image:test.png', 'imagelinks' ],
];
}
/**
* @dataProvider provideCasesForGetNumLinks
* @covers \MediaWiki\Cache\BacklinkCache::getNumLinks
*/
public function testGetNumLinks( int $numLinks, string $title, string $table ) {
$blcFactory = $this->getServiceContainer()->getBacklinkCacheFactory();
$backlinkCache = $blcFactory->getBacklinkCache( Title::newFromText( $title ) );
$this->assertEquals( $numLinks, $backlinkCache->getNumLinks( $table ) );
}
public static function provideCasesForGetLinks() {
return [
[
[ 'BacklinkCacheTest_2', 'BacklinkCacheTest_3', 'BacklinkCacheTest_4', 'BacklinkCacheTest_5' ],
'BacklinkCacheTest_1',
'pagelinks'
],
[
[ 'BacklinkCacheTest_4', 'BacklinkCacheTest_5' ],
'BacklinkCacheTest_1',
'pagelinks',
'BacklinkCacheTest_4'
],
[
[ 'BacklinkCacheTest_2', 'BacklinkCacheTest_3' ],
'BacklinkCacheTest_1',
'pagelinks',
false,
'BacklinkCacheTest_3'
],
[
[ 'BacklinkCacheTest_3', 'BacklinkCacheTest_4' ],
'BacklinkCacheTest_1',
'pagelinks',
'BacklinkCacheTest_3',
'BacklinkCacheTest_4'
],
[ [ 'BacklinkCacheTest_2' ], 'BacklinkCacheTest_1', 'pagelinks', false, false, 1 ],
[ [], 'BacklinkCacheTest_2', 'pagelinks' ],
[ [ 'BacklinkCacheTest_2' ], 'Image:test.png', 'imagelinks' ],
];
}
/**
* @dataProvider provideCasesForGetLinks
* @covers \MediaWiki\Cache\BacklinkCache::getLinkPages
*/
public function testGetLinkPages(
array $expectedTitles, string $title, string $table, $startId = false, $endId = false, $max = INF
) {
$startId = $startId ? Title::newFromText( $startId )->getId() : false;
$endId = $endId ? Title::newFromText( $endId )->getId() : false;
$blcFactory = $this->getServiceContainer()->getBacklinkCacheFactory();
$backlinkCache = $blcFactory->getBacklinkCache( Title::newFromText( $title ) );
$titlesArray = iterator_to_array( $backlinkCache->getLinkPages( $table, $startId, $endId, $max ) );
$this->assertSameSize( $expectedTitles, $titlesArray );
$numOfTitles = count( $titlesArray );
for ( $i = 0; $i < $numOfTitles; $i++ ) {
$this->assertEquals( $expectedTitles[$i], $titlesArray[$i]->getDbKey() );
}
}
/**
* @covers \MediaWiki\Cache\BacklinkCache::partition
*/
public function testPartition() {
$targetId = $this->getServiceContainer()->getLinkTargetLookup()->acquireLinkTargetId(
Title::makeTitle( NS_MAIN, 'BLCTest1234' ),
$this->getDb()
);
$targetRow = [
'tl_target_id' => $targetId,
];
$this->getDb()->newInsertQueryBuilder()
->insertInto( 'templatelinks' )
->rows( [
[ 'tl_from' => 56890, 'tl_from_namespace' => 0 ] + $targetRow,
[ 'tl_from' => 56891, 'tl_from_namespace' => 0 ] + $targetRow,
[ 'tl_from' => 56892, 'tl_from_namespace' => 0 ] + $targetRow,
[ 'tl_from' => 56893, 'tl_from_namespace' => 0 ] + $targetRow,
[ 'tl_from' => 56894, 'tl_from_namespace' => 0 ] + $targetRow,
] )
->caller( __METHOD__ )
->execute();
$blcFactory = $this->getServiceContainer()->getBacklinkCacheFactory();
$backlinkCache = $blcFactory->getBacklinkCache( Title::makeTitle( NS_MAIN, 'BLCTest1234' ) );
$partition = $backlinkCache->partition( 'templatelinks', 2 );
$this->assertArrayEquals( [
[ false, 56891 ],
[ 56892, 56893 ],
[ 56894, false ]
], $partition );
}
}
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