public function testGetOptions()
{
$document = new Document();
$document->setIndex('index');
$document->setOpType('create');
$document->setParent('2');
$document->setId(1);
$options = $document->getOptions(array('index', 'type', 'id', 'parent'));
$this->assertInternalType('array', $options);
$this->assertEquals(3, count($options));
$this->assertArrayHasKey('index', $options);
$this->assertArrayHasKey('id', $options);
$this->assertArrayHasKey('parent', $options);
$this->assertEquals('index', $options['index']);
$this->assertEquals(1, $options['id']);
$this->assertEquals('2', $options['parent']);
$this->assertArrayNotHasKey('type', $options);
$this->assertArrayNotHasKey('op_type', $options);
$this->assertArrayNotHasKey('_index', $options);
$this->assertArrayNotHasKey('_id', $options);
$this->assertArrayNotHasKey('_parent', $options);
$options = $document->getOptions(array('parent', 'op_type', 'percolate'), true);
$this->assertInternalType('array', $options);
$this->assertEquals(2, count($options));
$this->assertArrayHasKey('_parent', $options);
$this->assertArrayHasKey('_op_type', $options);
$this->assertEquals('2', $options['_parent']);
$this->assertEquals('create', $options['_op_type']);
$this->assertArrayNotHasKey('percolate', $options);
$this->assertArrayNotHasKey('op_type', $options);
$this->assertArrayNotHasKey('parent', $options);
}