public function testFilter()
{
$config = new Config($this->filter, true);
$filter = new StringToLower();
$processor = new FilterProcessor($filter);
$this->assertTrue($processor->getFilter() instanceof StringToLower);
$processor->process($config);
$this->assertEquals('some mixedcase value', $config->simple);
$this->assertEquals('other mixed case value', $config->nested->simple);
}
