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<?php
use MediaWiki\MainConfigNames;
use Wikimedia\ObjectCache\EmptyBagOStuff;
use Wikimedia\ObjectCache\HashBagOStuff;
use Wikimedia\Rdbms\DatabaseDomain;
use Wikimedia\TestingAccessWrapper;
/**
* @covers \ObjectCacheFactory
* @group BagOStuff
* @group Database
*/
class ObjectCacheFactoryIntegrationTest extends MediaWikiIntegrationTestCase {
protected function setUp(): void {
$this->setCacheConfig();
$this->setMainCache( CACHE_NONE );
$this->overrideConfigValues( [
MainConfigNames::MessageCacheType => CACHE_NONE,
MainConfigNames::ParserCacheType => CACHE_NONE,
] );
// Mock ACCEL with 'hash' as being installed.
// This makes tests deterministic regardless of whether APCu is installed.
ObjectCacheFactory::$localServerCacheClass = 'HashBagOStuff';
}
protected function tearDown(): void {
ObjectCacheFactory::$localServerCacheClass = null;
}
private function setCacheConfig( $arr = [] ) {
$defaults = [
CACHE_NONE => [ 'class' => EmptyBagOStuff::class ],
CACHE_DB => [ 'class' => SqlBagOStuff::class ],
'hash' => [ 'class' => HashBagOStuff::class ],
CACHE_ANYTHING => [ 'class' => HashBagOStuff::class ],
];
$this->overrideConfigValue( MainConfigNames::ObjectCaches, $arr + $defaults );
}
public function testNewAnythingNothing() {
$ocf = $this->getServiceContainer()->getObjectCacheFactory();
$this->assertInstanceOf(
SqlBagOStuff::class,
$ocf->getInstance( $ocf->getAnythingId() ),
'No available types. Fallback to DB'
);
}
public function testNewAnythingHash() {
$this->setMainCache( CACHE_HASH );
$ocf = $this->getServiceContainer()->getObjectCacheFactory();
$this->assertInstanceOf(
HashBagOStuff::class,
$ocf->getInstance( $ocf->getAnythingId() ),
'Use an available type (hash)'
);
}
public function testNewAnythingAccel() {
$this->setMainCache( CACHE_ACCEL );
$ocf = $this->getServiceContainer()->getObjectCacheFactory();
$this->assertInstanceOf(
HashBagOStuff::class,
$ocf->getInstance( $ocf->getAnythingId() ),
'Use an available type (CACHE_ACCEL)'
);
}
public function testNewAnythingNoAccel() {
// Mock APC not being installed (T160519, T147161)
ObjectCacheFactory::$localServerCacheClass = EmptyBagOStuff::class;
$this->setMainCache( CACHE_ACCEL );
$ocf = $this->getServiceContainer()->getObjectCacheFactory();
$this->assertInstanceOf(
SqlBagOStuff::class,
$ocf->getInstance( $ocf->getAnythingId() ),
'Fallback to DB if available types fall back to Empty'
);
}
public function testNewAnythingNoAccelNoDb() {
$this->setCacheConfig( [
// Mock APCu not being installed (T160519, T147161)
CACHE_ACCEL => [ 'class' => EmptyBagOStuff::class ]
] );
$this->setMainCache( CACHE_ACCEL );
$this->getServiceContainer()->disableStorage();
$ocf = $this->getServiceContainer()->getObjectCacheFactory();
$this->assertInstanceOf(
EmptyBagOStuff::class,
$ocf->getInstance( $ocf->getAnythingId() ),
'Fallback to none if available types and DB are unavailable'
);
}
public function testNewAnythingNothingNoDb() {
$this->getServiceContainer()->disableStorage();
$ocf = $this->getServiceContainer()->getObjectCacheFactory();
$this->assertInstanceOf(
EmptyBagOStuff::class,
$ocf->getInstance( $ocf->getAnythingId() ),
'No available types or DB. Fallback to none.'
);
}
public function testNewFromIdWincacheAccel() {
$ocf = $this->getServiceContainer()->getObjectCacheFactory();
$className = get_class( $ocf );
$this->expectDeprecationAndContinue( "/^Use of $className::newFromId with cache ID \"wincache\"\s/" );
$this->assertInstanceOf(
HashBagOStuff::class,
$ocf->getInstance( 'wincache' ),
'Fallback to APCu for deprecated wincache'
);
}
public function testNewFromIdWincacheNoAccel() {
// Mock APC not being installed (T160519, T147161)
ObjectCacheFactory::$localServerCacheClass = EmptyBagOStuff::class;
$ocf = $this->getServiceContainer()->getObjectCacheFactory();
$className = get_class( $ocf );
$this->expectDeprecationAndContinue( "/^Use of $className::newFromId with cache ID \"wincache\"\s/" );
$this->assertInstanceOf(
EmptyBagOStuff::class,
$ocf->getInstance( 'wincache' ),
'No caching if APCu is not available'
);
}
public static function provideLocalServerKeyspace() {
$dbDomain = static function ( $dbName, $dbPrefix ) {
global $wgDBmwschema;
return ( new DatabaseDomain( $dbName, $wgDBmwschema, $dbPrefix ) )->getId();
};
return [
'default' => [ false, 'my_wiki', '', $dbDomain( 'my_wiki', '' ) ],
'custom' => [ 'custom', 'my_wiki', '', 'custom' ],
'prefix' => [ false, 'my_wiki', 'nl_', $dbDomain( 'my_wiki', 'nl_' ) ],
'empty string' => [ '', 'my_wiki', 'nl_', $dbDomain( 'my_wiki', 'nl_' ) ],
];
}
/**
* @dataProvider provideLocalServerKeyspace
*/
public function testLocalServerKeyspace( $cachePrefix, $dbName, $dbPrefix, $expect ) {
$this->overrideConfigValues( [
MainConfigNames::CachePrefix => $cachePrefix,
MainConfigNames::DBname => $dbName,
MainConfigNames::DBprefix => $dbPrefix,
] );
// Regression against T247562, T361177.
$cache = $this->getServiceContainer()->getObjectCacheFactory()->getInstance( CACHE_ACCEL );
$cache = TestingAccessWrapper::newFromObject( $cache );
$this->assertSame( $expect, $cache->keyspace );
}
public function testNewMultiWrite() {
$this->overrideConfigValues( [
MainConfigNames::CachePrefix => 'moon-river',
] );
$this->setCacheConfig( [
'multi-example' => [
'class' => 'MultiWriteBagOStuff',
'caches' => [
0 => [
'class' => 'HashBagOStuff',
],
1 => [
'class' => 'HashBagOStuff',
],
],
],
] );
$ocf = $this->getServiceContainer()->getObjectCacheFactory();
$multi = $ocf->getInstance( 'multi-example' );
$caches = TestingAccessWrapper::newFromObject( $multi )->caches;
$this->assertSame( 'moon-river:x', $multi->makeKey( 'x' ), 'MultiWrite key' );
// Confirm that dependency injection is also applied to the objects constructed
// for the child caches (T318272).
$this->assertSame( 'moon-river:x', $caches[0]->makeKey( 'x' ), 'inject cache 0 keyspace' );
$this->assertSame( 'moon-river:x', $caches[1]->makeKey( 'x' ), 'inject cache 1 keyspace' );
}
public static function provideIsDatabaseId() {
return [
[ CACHE_DB, CACHE_NONE, true ],
[ CACHE_ANYTHING, CACHE_DB, true ],
[ CACHE_ANYTHING, 'hash', false ],
[ CACHE_ANYTHING, CACHE_ANYTHING, true ]
];
}
/**
* @dataProvider provideIsDatabaseId
* @param string|int $id
* @param string|int $mainCacheType
* @param bool $expected
*/
public function testIsDatabaseId( $id, $mainCacheType, $expected ) {
$this->overrideConfigValues( [
MainConfigNames::MainCacheType => $mainCacheType
] );
$ocf = $this->getServiceContainer()->getObjectCacheFactory();
$this->assertSame( $expected, $ocf->isDatabaseId( $id ) );
}
}