rocketmq-protocol 1.0.0

Runtime-neutral RocketMQ wire protocol contracts
Documentation
// 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::RequestHeaderCodec;
use serde::Deserialize;
use serde::Serialize;

#[derive(Debug, Clone, Serialize, Deserialize, Default, RequestHeaderCodec)]
#[serde(rename_all = "camelCase")]
#[header(
    type_id = "rocketmq_protocol::protocol::header::create_user_request_header::CreateUserRequestHeader",
    java_class = "org.apache.rocketmq.remoting.protocol.header.CreateUserRequestHeader"
)]
pub struct CreateUserRequestHeader {
    #[header(default, default_semantic = "literal:")]
    pub username: CheetahString,
}

impl CreateUserRequestHeader {
    pub fn new(username: CheetahString) -> Self {
        Self { username }
    }

    pub fn set_username(&mut self, username: CheetahString) {
        self.username = username;
    }
}

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

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

    #[test]
    fn create_user_request_header_deserializes_correctly() {
        let mut map = HashMap::new();
        map.insert(
            CheetahString::from_static_str("username"),
            CheetahString::from_static_str("deserialized_user"),
        );

        let header = <CreateUserRequestHeader as FromMap>::from(&map).unwrap();

        assert_eq!(header.username.as_str(), "deserialized_user");
    }

    #[test]
    fn create_user_request_header_serde_json_roundtrip() {
        let header = CreateUserRequestHeader {
            username: CheetahString::from_static_str("json_test_user"),
        };

        let json = serde_json::to_string(&header).unwrap();
        let deserialized: CreateUserRequestHeader = serde_json::from_str(&json).unwrap();

        assert_eq!(deserialized.username, header.username);
    }
}