FactoryTest.php

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<?php
namespace TYPO3\CMS\Core\Tests\Unit\Cache;

class FactoryTest extends \TYPO3\CMS\Core\Tests\UnitTestCase {

    public function createReturnsInstanceOfTheSpecifiedCacheFrontend() {
        $mockCacheManager = $this->getMock('TYPO3\\CMS\\Core\\Cache\\CacheManager', array('registerCache'), array(), '', FALSE);
        $factory = new \TYPO3\CMS\Core\Cache\CacheFactory('Testing', $mockCacheManager);
        $cache = $factory->create('TYPO3_Cache_FactoryTest_Cache', 'TYPO3\\CMS\\Core\\Cache\\Frontend\\VariableFrontend', 'TYPO3\\CMS\\Core\\Cache\\Backend\\NullBackend');
        $this->assertInstanceOf('TYPO3\\CMS\\Core\\Cache\\Frontend\\VariableFrontend', $cache);
    }

    public function createInjectsAnInstanceOfTheSpecifiedBackendIntoTheCacheFrontend() {
        $mockCacheManager = $this->getMock('TYPO3\\CMS\\Core\\Cache\\CacheManager', array('registerCache'), array(), '', FALSE);
        $factory = new \TYPO3\CMS\Core\Cache\CacheFactory('Testing', $mockCacheManager);
        $cache = $factory->create('TYPO3_Cache_FactoryTest_Cache', 'TYPO3\\CMS\\Core\\Cache\\Frontend\\VariableFrontend', 'TYPO3\\CMS\\Core\\Cache\\Backend\\FileBackend');
        $this->assertInstanceOf('TYPO3\\CMS\\Core\\Cache\\Backend\\FileBackend', $cache->getBackend());
    }

    public function createRegistersTheCacheAtTheCacheManager() {
        $mockCacheManager = $this->getMock('TYPO3\\CMS\\Core\\Cache\\CacheManager', array('registerCache'), array(), '', FALSE);
        $mockCacheManager->expects($this->once())->method('registerCache');
        $factory = new \TYPO3\CMS\Core\Cache\CacheFactory('Testing', $mockCacheManager);
        $factory->create('TYPO3_Cache_FactoryTest_Cache', 'TYPO3\\CMS\\Core\\Cache\\Frontend\\VariableFrontend', 'TYPO3\\CMS\\Core\\Cache\\Backend\\FileBackend');
    }

}