/**
* @test
*/
public function clearsCachesOfDuplicateRegisteredPageIdsOnlyOnce()
{
$this->cacheManagerMock->expects($this->at(0))->method('flushCachesInGroupByTag')->with('pages', 'pageId_2');
$this->cacheManagerMock->expects($this->at(1))->method('flushCachesInGroupByTag')->with('pages', 'pageId_15');
$this->cacheManagerMock->expects($this->at(2))->method('flushCachesInGroupByTag')->with('pages', 'pageId_8');
$this->cacheManagerMock->expects($this->exactly(3))->method('flushCachesInGroupByTag');
$this->cacheService->getPageIdStack()->push(8);
$this->cacheService->getPageIdStack()->push(15);
$this->cacheService->getPageIdStack()->push(15);
$this->cacheService->getPageIdStack()->push(2);
$this->cacheService->getPageIdStack()->push(2);
$this->cacheService->clearCachesOfRegisteredPageIds();
}
