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<?php
namespace yiiunit\framework\caching;
use yiiunit\TestCase;
use yii\caching\Cache;
/**
* Base class for testing cache backends
*/
abstract class CacheTest extends TestCase
{
/**
* @return Cache
*/
abstract protected function getCacheInstance();
public function testSet()
{
$cache = $this->getCacheInstance();
$this->assertTrue($cache->set('string_test', 'string_test'));
$this->assertTrue($cache->set('number_test', 42));
$this->assertTrue($cache->set('array_test', array('array_test' => 'array_test')));
$cache['arrayaccess_test'] = new \stdClass();
}
public function testGet()
{
$cache = $this->getCacheInstance();
$this->assertEquals('string_test', $cache->get('string_test'));
$this->assertEquals(42, $cache->get('number_test'));
$array = $cache->get('array_test');
$this->assertArrayHasKey('array_test', $array);
$this->assertEquals('array_test', $array['array_test']);
$this->assertInstanceOf('stdClass', $cache['arrayaccess_test']);
}
public function testMget()
{
$cache = $this->getCacheInstance();
$this->assertEquals(array('string_test' => 'string_test', 'number_test' => 42), $cache->mget(array('string_test', 'number_test')));
}
public function testExpire()
{
$cache = $this->getCacheInstance();
$this->assertTrue($cache->set('expire_test', 'expire_test', 2));
sleep(1);
$this->assertEquals('expire_test', $cache->get('expire_test'));
sleep(2);
$this->assertEquals(false, $cache->get('expire_test'));
}
public function testAdd()
{
$cache = $this->getCacheInstance();
// should not change existing keys
$this->assertFalse($cache->add('number_test', 13));
$this->assertEquals(42, $cache->get('number_test'));
// should store data is it's not there yet
$this->assertTrue($cache->add('add_test', 13));
$this->assertEquals(13, $cache->get('add_test'));
}
public function testDelete()
{
$cache = $this->getCacheInstance();
$this->assertTrue($cache->delete('number_test'));
$this->assertEquals(null, $cache->get('number_test'));
}
public function testFlush()
{
$cache = $this->getCacheInstance();
$this->assertTrue($cache->flush());
$this->assertEquals(null, $cache->get('add_test'));
}
}