function it_checks_if_item_exists_in_cache_without_creating_cache_item()
{
$this->cacheFrontend->load('prefix_key1')->willReturn(serialize('test'));
$this->cacheFrontend->load('prefix_key2')->willReturn(false);
$this->cacheItemFactory->create(Argument::any())->shouldNotBeCalled();
$this->hasItem('key1')->shouldReturn(true);
$this->hasItem('key2')->shouldReturn(false);
}
/**
* Returns a Cache Item representing the specified key.
*
* This method must always return a CacheItemInterface object, even in case of
* a cache miss. It MUST NOT return null.
*
* @param string $key
* The key for which to return the corresponding Cache Item.
*
* @throws InvalidArgumentException
* If the $key string is not a legal value a \Psr\Cache\InvalidArgumentException
* MUST be thrown.
*
* @return CacheItemInterface
* The corresponding Cache Item.
*/
public function getItem($key)
{
$cacheEntry = $this->cacheFrontend->load($this->prepareKey($key));
if ($cacheEntry !== false) {
$cacheEntry = unserialize($cacheEntry);
return $this->cacheItemFactory->create(['key' => $key, 'isHit' => true, 'value' => $cacheEntry]);
}
return $this->cacheItemFactory->create(['key' => $key, 'isHit' => false]);
}