/**
* @group unit
*/
public function testHasFields()
{
$data = array('value set');
$result = new Result(array());
$this->assertFalse($result->hasFields());
$result = new Result(array('_source' => $data));
$this->assertFalse($result->hasFields());
$result = new Result(array('fields' => $data));
$this->assertTrue($result->hasFields());
$this->assertEquals($data, $result->getFields());
}