/**
* Internal method to check if the given cache supports tags
*
* @return false|string
*/
protected static function _getTagSupportForCache()
{
if (!self::$_cache instanceof CacheAdapter) {
self::$_cacheTags = false;
return false;
}
$capabilities = self::$_cache->getCapabilities();
if (!$capabilities->getTagging()) {
self::$_cacheTags = false;
return false;
}
self::$_cacheTags = true;
return true;
}
public function testFindExpired()
{
$capabilities = $this->_storage->getCapabilities();
if (!$capabilities->getIterable()) {
$this->markTestSkipped("Find isn't supported by this adapter");
}
$this->_options->setTtl($capabilities->getTtlPrecision());
$this->assertTrue($this->_storage->setItem('key1', 'value1'));
$this->assertTrue($this->_storage->setItem('key2', 'value2'));
// wait until first 2 items expired
usleep($capabilities->getTtlPrecision() * 2000000);
$this->assertTrue($this->_storage->setItem('key3', 'value3'));
$this->assertTrue($this->_storage->setItem('key4', 'value4'));
$this->assertTrue($this->_storage->find(AdapterInterface::MATCH_EXPIRED));
if ($capabilities->getExpiredRead() && !$capabilities->getUseRequestTime()) {
$expectedItems = array(
'key1' => 'value1',
'key2' => 'value2'
);
} else {
$expectedItems = array();
}
$actualItems = array();
while (($item = $this->_storage->fetch()) !== false) {
// check $item
$this->assertArrayHasKey('key', $item);
$this->assertArrayHasKey('value', $item);
$this->assertEquals(2, count($item));
$actualItems[ $item['key'] ] = $item['value'];
}
ksort($actualItems);
$this->assertEquals($expectedItems, $actualItems);
}