public function testWeirdKeys()
{
// we could try to carefully engineer potentially dangerous
// cache keys (which may translate into on-disk file names depending
// on the selected backend) but this random selection should do for now.
$va_weird_chars = array('\\', '/', '_', '?', '-', '>', '<', '|', '{', '}', '[', ']', '(', ')', '$', '#', ':', ';', '"', '\'');
for ($i = 0; $i < 20; $i++) {
$vm_ret = shuffle($va_weird_chars);
$this->assertTrue($vm_ret, 'Shuffling should not fail');
$vs_key = join('', $va_weird_chars);
$vm_ret = ExternalCache::contains($vs_key);
$this->assertFalse($vm_ret, 'Should not return anything for a new key');
$vm_ret = ExternalCache::save($vs_key, array('foo' => 'bar'));
$this->assertTrue($vm_ret, 'Setting new item in cache should return true');
$vm_ret = ExternalCache::fetch($vs_key);
$this->assertArrayHasKey('foo', $vm_ret, 'Returned array should have key');
$this->assertArrayNotHasKey('bar', $vm_ret, 'Returned array should not have key we did not set');
$this->assertEquals(array('foo' => 'bar'), $vm_ret, 'Cache item should not change');
ExternalCache::flush();
}
}
/**
* Removes all cached configuration
*/
public static function clearCache()
{
ExternalCache::flush();
MemoryCache::flush();
}
/**
* Flush whole cache, both in-memory and on-disk. Use with caution!
*/
public static function flush()
{
MemoryCache::flush();
ExternalCache::flush();
}
