mediawiki-extensions-Echo/tests/phpunit/cache/TitleLocalCacheTest.php
Timo Tijhof 59e1be5af9 Migrate LocalCache from MapCacheLRU to HashBagOStuff
Depends on If39d72983 for HashBagOStuff::clear().

Change-Id: I90a03ea44430223ef420be9175bea9bcc8da8cf5
2015-11-03 06:49:50 +00:00

94 lines
2.9 KiB
PHP

<?php
class EchoTitleLocalCacheTest extends MediaWikiTestCase {
public function testCreate() {
$cache = EchoTitleLocalCache::create();
$this->assertInstanceOf( 'EchoTitleLocalCache', $cache );
return $cache;
}
/**
* @depends testCreate
*/
public function testAdd( $cache ) {
$cache->clearAll();
$cache->add( 1 );
$this->assertEquals( count( $cache->getLookups() ), 1 );
$this->assertArrayHasKey( 1, $cache->getLookups() );
}
/**
* @depends testCreate
*/
public function testGet( $cache ) {
$map = new HashBagOStuff( array( 'maxKeys' => EchoLocalCache::TARGET_MAX_NUM ) );
$titleIds = array();
// First title included in cache
$res = $this->insertPage( 'EchoTitleLocalCacheTest_testGet' );
$titleIds[$res['id']] = $res['id'];
$map->set( $res['id'], $res['title'] );
// Second title not in internal cache, resolves from db.
$res = $this->insertPage( 'EchoTitleLocalCacheTest_testGet2' );
$titleIds[$res['id']] = $res['id'];
$object = new \ReflectionObject( $cache );
// Load our generated map in as the targets (known mapping from
// title id to title object) into $cache
$targets = $object->getProperty( 'targets' );
$targets->setAccessible( true );
$targets->setValue( $cache, $map );
// Load both of the titles we are curious about into the list of titles
// to be looked up
$lookups = $object->getProperty( 'lookups' );
$lookups->setAccessible( true );
$lookups->setValue( $cache, $titleIds );
// Requesting the first object, which is within the known targets, should
// not resolve the pending lookups.
$this->assertInstanceOf( 'Title', $cache->get( reset( $titleIds ) ) );
$this->assertGreaterThan( 0, count( $cache->getLookups() ) );
// Requesting the second object, which is not within the known targets, should
// resolve the pending lookups and reset the list to lookup.
$this->assertInstanceOf( 'Title', $cache->get( end( $titleIds ) ) );
$this->assertEquals( 0, count( $cache->getLookups() ) );
}
/**
* @depends testCreate
*/
public function testClearAll( $cache ) {
$map = new HashBagOStuff( array( 'maxKeys' => EchoLocalCache::TARGET_MAX_NUM ) );
$map->set( 1, $this->mockTitle() );
$object = new \ReflectionObject( $cache );
$targets = $object->getProperty( 'targets' );
$targets->setAccessible( true );
$targets->setValue( $cache, $map );
$lookups = $object->getProperty( 'lookups' );
$lookups->setAccessible( true );
$lookups->setValue( $cache, array( '1' => '1', '2' => '2' ) );
$cache->clearAll();
$this->assertTrue( count( $cache->getLookups() ) == 0 );
$this->assertEquals( false, $cache->getTargets()->get( 1 ) );
$this->assertEquals( false, $cache->getTargets()->get( '1' ) );
}
/**
* Mock object of Title
*/
protected function mockTitle() {
$title = $this->getMockBuilder( 'Title' )
->disableOriginalConstructor()
->getMock();
return $title;
}
}