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<?php
namespace Doctrine\Tests\Common\Cache;
use Doctrine\Common\Cache\Cache;
use ArrayObject;
abstract class CacheTest extends \Doctrine\Tests\DoctrineTestCase
{
/**
* @dataProvider provideCrudValues
*/
public function testBasicCrudOperations($value)
{
$cache = $this->_getCacheDriver();
// Test saving a value, checking if it exists, and fetching it back
$this->assertTrue($cache->save('key', 'value'));
$this->assertTrue($cache->contains('key'));
$this->assertEquals('value', $cache->fetch('key'));
// Test updating the value of a cache entry
$this->assertTrue($cache->save('key', 'value-changed'));
$this->assertTrue($cache->contains('key'));
$this->assertEquals('value-changed', $cache->fetch('key'));
// Test deleting a value
$this->assertTrue($cache->delete('key'));
$this->assertFalse($cache->contains('key'));
}
public function provideCrudValues()
{
return array(
'array' => array(array('one', 2, 3.0)),
'string' => array('value'),
'integer' => array(1),
'float' => array(1.5),
'object' => array(new ArrayObject()),
'null' => array(null),
);
}
public function testDeleteAll()
{
$cache = $this->_getCacheDriver();
$this->assertTrue($cache->save('key1', 1));
$this->assertTrue($cache->save('key2', 2));
$this->assertTrue($cache->deleteAll());
$this->assertFalse($cache->contains('key1'));
$this->assertFalse($cache->contains('key2'));
}
public function testDeleteAllAndNamespaceVersioningBetweenCaches()
{
if ( ! $this->isSharedStorage()) {
$this->markTestSkipped('The ' . __CLASS__ .' does not use shared storage');
}
$cache1 = $this->_getCacheDriver();
$cache2 = $this->_getCacheDriver();
$this->assertTrue($cache1->save('key1', 1));
$this->assertTrue($cache2->save('key2', 2));
/* Both providers are initialized with the same namespace version, so
* they can see entries set by each other.
*/
$this->assertTrue($cache1->contains('key1'));
$this->assertTrue($cache1->contains('key2'));
$this->assertTrue($cache2->contains('key1'));
$this->assertTrue($cache2->contains('key2'));
/* Deleting all entries through one provider will only increment the
* namespace version on that object (and in the cache itself, which new
* instances will use to initialize). The second provider will retain
* its original version and still see stale data.
*/
$this->assertTrue($cache1->deleteAll());
$this->assertFalse($cache1->contains('key1'));
$this->assertFalse($cache1->contains('key2'));
$this->assertTrue($cache2->contains('key1'));
$this->assertTrue($cache2->contains('key2'));
/* A new cache provider should not see the deleted entries, since its
* namespace version will be initialized.
*/
$cache3 = $this->_getCacheDriver();
$this->assertFalse($cache3->contains('key1'));
$this->assertFalse($cache3->contains('key2'));
}
public function testFlushAll()
{
$cache = $this->_getCacheDriver();
$this->assertTrue($cache->save('key1', 1));
$this->assertTrue($cache->save('key2', 2));
$this->assertTrue($cache->flushAll());
$this->assertFalse($cache->contains('key1'));
$this->assertFalse($cache->contains('key2'));
}
public function testFlushAllAndNamespaceVersioningBetweenCaches()
{
if ( ! $this->isSharedStorage()) {
$this->markTestSkipped('The ' . __CLASS__ .' does not use shared storage');
}
$cache1 = $this->_getCacheDriver();
$cache2 = $this->_getCacheDriver();
/* Deleting all elements from the first provider should increment its
* namespace version before saving the first entry.
*/
$cache1->deleteAll();
$this->assertTrue($cache1->save('key1', 1));
/* The second provider will be initialized with the same namespace
* version upon its first save operation.
*/
$this->assertTrue($cache2->save('key2', 2));
/* Both providers have the same namespace version and can see entires
* set by each other.
*/
$this->assertTrue($cache1->contains('key1'));
$this->assertTrue($cache1->contains('key2'));
$this->assertTrue($cache2->contains('key1'));
$this->assertTrue($cache2->contains('key2'));
/* Flushing all entries through one cache will remove all entries from
* the cache but leave their namespace version as-is.
*/
$this->assertTrue($cache1->flushAll());
$this->assertFalse($cache1->contains('key1'));
$this->assertFalse($cache1->contains('key2'));
$this->assertFalse($cache2->contains('key1'));
$this->assertFalse($cache2->contains('key2'));
/* Inserting a new entry will use the same, incremented namespace
* version, and it will be visible to both providers.
*/
$this->assertTrue($cache1->save('key1', 1));
$this->assertTrue($cache1->contains('key1'));
$this->assertTrue($cache2->contains('key1'));
/* A new cache provider will be initialized with the original namespace
* version and not share any visibility with the first two providers.
*/
$cache3 = $this->_getCacheDriver();
$this->assertFalse($cache3->contains('key1'));
$this->assertFalse($cache3->contains('key2'));
$this->assertTrue($cache3->save('key3', 3));
$this->assertTrue($cache3->contains('key3'));
}
public function testNamespace()
{
$cache = $this->_getCacheDriver();
$cache->setNamespace('ns1_');
$this->assertTrue($cache->save('key1', 1));
$this->assertTrue($cache->contains('key1'));
$cache->setNamespace('ns2_');
$this->assertFalse($cache->contains('key1'));
}
public function testDeleteAllNamespace()
{
$cache = $this->_getCacheDriver();
$cache->setNamespace('ns1');
$this->assertFalse($cache->contains('key1'));
$cache->save('key1', 'test');
$this->assertTrue($cache->contains('key1'));
$cache->setNamespace('ns2');
$this->assertFalse($cache->contains('key1'));
$cache->save('key1', 'test');
$this->assertTrue($cache->contains('key1'));
$cache->setNamespace('ns1');
$this->assertTrue($cache->contains('key1'));
$cache->deleteAll();
$this->assertFalse($cache->contains('key1'));
$cache->setNamespace('ns2');
$this->assertTrue($cache->contains('key1'));
$cache->deleteAll();
$this->assertFalse($cache->contains('key1'));
}
/**
* @group DCOM-43
*/
public function testGetStats()
{
$cache = $this->_getCacheDriver();
$stats = $cache->getStats();
$this->assertArrayHasKey(Cache::STATS_HITS, $stats);
$this->assertArrayHasKey(Cache::STATS_MISSES, $stats);
$this->assertArrayHasKey(Cache::STATS_UPTIME, $stats);
$this->assertArrayHasKey(Cache::STATS_MEMORY_USAGE, $stats);
$this->assertArrayHasKey(Cache::STATS_MEMORY_AVAILABLE, $stats);
}
public function testFetchMissShouldReturnFalse()
{
$cache = $this->_getCacheDriver();
/* Ensure that caches return boolean false instead of null on a fetch
* miss to be compatible with ORM integration.
*/
$result = $cache->fetch('nonexistent_key');
$this->assertFalse($result);
$this->assertNotNull($result);
}
/**
* Return whether multiple cache providers share the same storage.
*
* This is used for skipping certain tests for shared storage behavior.
*
* @return boolean
*/
protected function isSharedStorage()
{
return true;
}
/**
* @return \Doctrine\Common\Cache\CacheProvider
*/
abstract protected function _getCacheDriver();
}
|
