/**
* @covers CachedBagOStuff::doGet
*/
public function testCacheBackendMisses()
{
$backend = new HashBagOStuff();
$cache = new CachedBagOStuff($backend);
// First hit primes the cache with miss from the backend
$this->assertEquals(false, $cache->get('foo'));
// Change the value in the backend
$backend->set('foo', true);
// Second hit returns the cached miss
$this->assertEquals(false, $cache->get('foo'));
// But a fresh value is read from the backend
$backend->set('bar', true);
$this->assertEquals(true, $cache->get('bar'));
}
public function testWriteCacheOnly()
{
$backend = new HashBagOStuff();
$cache = new CachedBagOStuff($backend);
$cache->set('foo', 'bar', 0, CachedBagOStuff::WRITE_CACHE_ONLY);
$this->assertEquals('bar', $cache->get('foo'));
$this->assertFalse($backend->get('foo'));
$cache->set('foo', 'old');
$this->assertEquals('old', $cache->get('foo'));
$this->assertEquals('old', $backend->get('foo'));
$cache->set('foo', 'new', 0, CachedBagOStuff::WRITE_CACHE_ONLY);
$this->assertEquals('new', $cache->get('foo'));
$this->assertEquals('old', $backend->get('foo'));
$cache->delete('foo', CachedBagOStuff::WRITE_CACHE_ONLY);
$this->assertEquals('old', $cache->get('foo'));
// Reloaded from backend
}
public function __construct()
{
parent::__construct(new \HashBagOStuff());
}
