public function testHandler()
{
$source = $this->getMock('Exporter\\Source\\SourceIteratorInterface');
$writer = $this->getMock('Exporter\\Writer\\WriterInterface');
$writer->expects($this->once())->method('open');
$writer->expects($this->once())->method('close');
$exporter = new Handler($source, $writer);
$exporter->export();
}
