public function testCreateSuccess()
{
array_push($this->_db->connection->results, true);
$this->_query->data(array('title' => 'Test Post'));
$this->assertTrue($this->_db->create($this->_query));
$query = array_pop($this->_db->connection->queries);
$this->assertEmpty($this->_db->connection->queries);
$this->assertEqual('insert', $query['type']);
$this->assertEqual('posts', $query['collection']);
$this->assertEqual(array('title', '_id'), array_keys($query['data']));
$this->assertInstanceOf('MongoId', $query['data']['_id']);
}