rocketmq-remoting 0.9.0

// 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 cheetah_string::CheetahString;
use rocketmq_macros::RequestHeaderCodecV2;
use serde::Deserialize;
use serde::Serialize;

#[derive(Clone, Debug, Serialize, Deserialize, Default, RequestHeaderCodecV2)]
#[serde(rename_all = "camelCase")]
pub struct ElectMasterResponseHeader {
    pub master_broker_id: Option<i64>,
    pub master_address: Option<CheetahString>,
    pub master_epoch: Option<i32>,
    pub sync_state_set_epoch: Option<i32>,
}

#[cfg(test)]
mod tests {
    use std::collections::HashMap;

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

    #[test]
    fn elect_master_response_header_serializes_correctly() {
        let header = ElectMasterResponseHeader {
            master_broker_id: Some(1),
            master_address: Some(CheetahString::from_static_str("test_address")),
            master_epoch: Some(2),
            sync_state_set_epoch: Some(3),
        };
        let map = header.to_map().unwrap();
        assert_eq!(
            map.get(&CheetahString::from_static_str(
                ElectMasterResponseHeader::MASTER_BROKER_ID
            ))
            .unwrap(),
            "1"
        );
        assert_eq!(
            map.get(&CheetahString::from_static_str(
                ElectMasterResponseHeader::MASTER_ADDRESS
            ))
            .unwrap(),
            "test_address"
        );
        assert_eq!(
            map.get(&CheetahString::from_static_str(ElectMasterResponseHeader::MASTER_EPOCH))
                .unwrap(),
            "2"
        );
        assert_eq!(
            map.get(&CheetahString::from_static_str(
                ElectMasterResponseHeader::SYNC_STATE_SET_EPOCH
            ))
            .unwrap(),
            "3"
        );
    }

    #[test]

    fn elect_master_response_header_deserializes_correctly() {
        let mut map = HashMap::new();
        map.insert(
            CheetahString::from_static_str(ElectMasterResponseHeader::MASTER_BROKER_ID),
            CheetahString::from("1"),
        );
        map.insert(
            CheetahString::from_static_str(ElectMasterResponseHeader::MASTER_ADDRESS),
            CheetahString::from("test_address"),
        );
        map.insert(
            CheetahString::from_static_str(ElectMasterResponseHeader::MASTER_EPOCH),
            CheetahString::from("2"),
        );
        map.insert(
            CheetahString::from_static_str(ElectMasterResponseHeader::SYNC_STATE_SET_EPOCH),
            CheetahString::from("3"),
        );
        let header = <ElectMasterResponseHeader as FromMap>::from(&map).unwrap();
        assert_eq!(header.master_broker_id, Some(1));
        assert_eq!(
            header.master_address,
            Some(CheetahString::from_static_str("test_address"))
        );
        assert_eq!(header.master_epoch, Some(2));
        assert_eq!(header.sync_state_set_epoch, Some(3));
    }

    #[test]
    fn elect_master_response_header_handles_missing_optional_fields() {
        let map = HashMap::new();
        let header = <ElectMasterResponseHeader as FromMap>::from(&map).unwrap();
        assert!(header.master_broker_id.is_none());
        assert!(header.master_address.is_none());
        assert!(header.master_epoch.is_none());
        assert!(header.sync_state_set_epoch.is_none());
    }
}