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<?php
use Wikimedia\TestingAccessWrapper;
/**
* @covers EchoTitleLocalCache
* @group Database
*/
class EchoTitleLocalCacheTest extends MediaWikiTestCase {
public function testCreate() {
$cache = EchoTitleLocalCache::create();
$this->assertInstanceOf( EchoTitleLocalCache::class, $cache );
}
public function testAdd() {
$cache = $this->getMockBuilder( EchoTitleLocalCache::class )
->setMethods( [ 'resolve' ] )->getMock();
$cache->add( 1 );
$cache->add( 9 );
// Resolutions should be batched
$cache->expects( $this->exactly( 1 ) )->method( 'resolve' )
->with( [ 1, 9 ] )->willReturn( [] );
// Trigger
$cache->get( 9 );
}
public function testGet() {
$cache = $this->getMockBuilder( EchoTitleLocalCache::class )
->setMethods( [ 'resolve' ] )->getMock();
$cachePriv = TestingAccessWrapper::newFromObject( $cache );
// First title included in cache
$res1 = $this->insertPage( 'EchoTitleLocalCacheTest_testGet1' );
$cachePriv->targets->set( $res1['id'], $res1['title'] );
// Second title not in internal cache, resolves from db.
$res2 = $this->insertPage( 'EchoTitleLocalCacheTest_testGet2' );
$cache->expects( $this->exactly( 1 ) )->method( 'resolve' )
->with( [ $res2['id'] ] )
->willReturn( [ $res2['id'] => $res2['title'] ] );
// Register demand for both
$cache->add( $res1['id'] );
$cache->add( $res2['id'] );
// Should not call resolve() for first title
$this->assertSame( $res1['title'], $cache->get( $res1['id'] ), 'First title' );
// Should resolve() for second title
$this->assertSame( $res2['title'], $cache->get( $res2['id'] ), 'Second title' );
}
public function testClearAll() {
$cache = $this->getMockBuilder( EchoTitleLocalCache::class )
->setMethods( [ 'resolve' ] )->getMock();
// Add 1 to cache
$cachePriv = TestingAccessWrapper::newFromObject( $cache );
$cachePriv->targets->set( 1, $this->mockTitle() );
// Add 2 and 3 to demand
$cache->add( 2 );
$cache->add( 3 );
$cache->clearAll();
$this->assertSame( null, $cache->get( 1 ), 'Cache was cleared' );
// Lookups batch was cleared
$cache->expects( $this->exactly( 1 ) )->method( 'resolve' )
->with( [ 4 ] )
->willReturn( [] );
$cache->add( 4 );
$cache->get( 4 );
}
/**
* @return Title
*/
protected function mockTitle() {
$title = $this->getMockBuilder( Title::class )
->disableOriginalConstructor()
->getMock();
return $title;
}
}
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