rocketmq-protocol 1.0.0

// Copyright 2023 The RocketMQ Rust Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

use rocketmq_macros::RequestHeaderCodec;
use serde::Deserialize;
use serde::Serialize;

use crate::rpc::rpc_request_header::RpcRequestHeader;

#[derive(Clone, Debug, Serialize, Deserialize, Default, RequestHeaderCodec)]
#[header(
    type_id = "rocketmq_protocol::protocol::header::lite_subscription_ctl_request_header::LiteSubscriptionCtlRequestHeader",
    java_class = "org.apache.rocketmq.remoting.protocol.header.LiteSubscriptionCtlRequestHeader"
)]
#[serde(rename_all = "camelCase")]
pub struct LiteSubscriptionCtlRequestHeader {
    #[serde(flatten)]
    #[header(flatten, presence = "always")]
    pub rpc_request_header: Option<RpcRequestHeader>,
}

#[cfg(test)]
mod tests {
    use cheetah_string::CheetahString;

    use super::*;
    use crate::protocol::command_custom_header::CommandCustomHeader;
    use crate::protocol::command_custom_header::FromMap;

    #[test]
    fn lite_subscription_ctl_request_header_maps_rpc_fields_like_java_header() {
        let header = LiteSubscriptionCtlRequestHeader {
            rpc_request_header: Some(RpcRequestHeader {
                broker_name: Some(CheetahString::from_static_str("broker-a")),
                namespace: Some(CheetahString::from_static_str("ns-a")),
                namespaced: Some(false),
                oneway: Some(true),
            }),
        };

        let map = header.to_map().expect("header should encode");
        assert_eq!(map.get("bname").map(|value| value.as_str()), Some("broker-a"));
        assert_eq!(map.get("ns").map(|value| value.as_str()), Some("ns-a"));
        assert_eq!(map.get("nsd").map(|value| value.as_str()), Some("false"));
        assert_eq!(map.get("oway").map(|value| value.as_str()), Some("true"));

        let decoded = <LiteSubscriptionCtlRequestHeader as FromMap>::from(&map).expect("header should decode");
        let rpc = decoded
            .rpc_request_header
            .expect("flattened rpc request header should decode");
        assert_eq!(rpc.broker_name.as_deref(), Some("broker-a"));
        assert_eq!(rpc.namespace.as_deref(), Some("ns-a"));
        assert_eq!(rpc.namespaced, Some(false));
        assert_eq!(rpc.oneway, Some(true));
    }
}