code: function it_parses_update_simple()
      {
          $this->beConstructedWith(new ConnectionFaker);
          $response = $this->update("_id", array("name" => "Marks"));
          $response->executedQuery()->shouldReturn('UPDATE database["_id"] SET name = "Marks"');
          $response->shouldReturnAnInstanceOf('\Clusterpoint\Response\Single');
          $response->shouldBeAnInstanceOf('\Clusterpoint\Response\Response');
      }
docs: Update