public function testCache()
{
$arrayCache = new ArrayAdapter();
$config = new Config();
$config->setCacheAdapter(new SimpleCallbackAdapter($arrayCache));
$xslDoc = new DOMDocument();
$xslDoc->load('Stubs/combine-multiple-functions.xsl');
$xmlDoc = new DOMDocument();
$xmlDoc->load('Stubs/combine-multiple-functions.xml');
$processor = new XsltProcessor($config);
$processor->importStylesheet($xslDoc);
$processorResult = $processor->transformToXML($xmlDoc);
$cacheKey = dirname(__DIR__) . '/Stubs/combine-multiple-functions.xsl';
$cache = $arrayCache->get($cacheKey);
$this->assertEquals(157, trim($processorResult));
$this->assertNotNull($cache);
$cache = str_replace('floor', 'ceiling', $cache);
$arrayCache->set($cacheKey, $cache);
$this->assertEquals(158, trim($processor->transformToXML($xmlDoc)));
}
