/**
* Method for deletion keys by template
*
* ATTENTION: if key contains spaces, for example 'THIS IS KEY::ID:50d98ld',
* then in cache it will be saved as 'THIS_IS_KEY::ID:50d98ld'. So, template
* for that key deletion must be look like - 'THIS_IS_KEY'.
* Deletion can be made by substring, containing in keys. For example
* '_KEY::ID'.
*
* @param string $tpl Substring containing in needed keys
* @return bool
*/
public function delByTemplate($tpl)
{
try {
$cache = new MemcacheRaw();
$cache->delByTemplate($tpl)->disconnect();
return true;
} catch (Exception $e) {
return false;
}
}
/**
* @covers Veles\Cache\Adapters\MemcacheRaw::getSlabs
* @covers Veles\Cache\Adapters\MemcacheRaw::delByTemplate
* @covers Veles\Cache\Adapters\MemcacheRaw::delete
*/
public function testDelByTemplate()
{
$keys = [];
$prefix = uniqid();
for ($i = 0; $i < 5; ++$i) {
$key = uniqid("VELES::UNIT-TEST::{$prefix}::");
$value = uniqid();
Cache::set($key, $value, 10);
$keys[] = $key;
}
$template = "VELES::UNIT-TEST::{$prefix}::";
$object = new MemcacheRaw();
$result = $object->delByTemplate($template);
$msg = 'MemcacheRaw::delByTemplate return wrong result!';
$this->assertTrue($result instanceof MemcacheRaw, $msg);
$expected = $result = false;
foreach ($keys as $key) {
if (Cache::has($key)) {
$result = true;
break;
}
}
$msg = 'MemcacheRaw::delByTemplate malfunction!';
$this->assertSame($expected, $result, $msg);
}
