rocketmq_remoting/protocol/header/
get_meta_data_response_header.rs

1// Copyright 2023 The RocketMQ Rust Authors
2//
3// Licensed under the Apache License, Version 2.0 (the "License");
4// you may not use this file except in compliance with the License.
5// You may obtain a copy of the License at
6//
7//     http://www.apache.org/licenses/LICENSE-2.0
8//
9// Unless required by applicable law or agreed to in writing, software
10// distributed under the License is distributed on an "AS IS" BASIS,
11// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12// See the License for the specific language governing permissions and
13// limitations under the License.
14
15use rocketmq_macros::RequestHeaderCodecV2;
16use serde::Deserialize;
17use serde::Serialize;
18
19use crate::protocol::CheetahString;
20
21#[derive(Clone, Debug, Serialize, Deserialize, Default, RequestHeaderCodecV2)]
22#[serde(rename_all = "camelCase")]
23pub struct GetMetaDataResponseHeader {
24    pub group: Option<CheetahString>,
25    pub controller_leader_id: Option<CheetahString>,
26    pub controller_leader_address: Option<CheetahString>,
27    pub is_leader: Option<bool>,
28    pub peers: Option<CheetahString>,
29}
30
31#[cfg(test)]
32mod tests {
33    use std::collections::HashMap;
34
35    use super::*;
36    use crate::protocol::command_custom_header::CommandCustomHeader;
37    use crate::protocol::command_custom_header::FromMap;
38
39    #[test]
40    fn get_meta_data_response_header_serializes_correctly() {
41        let header = GetMetaDataResponseHeader {
42            group: Some(CheetahString::from_static_str("test_group")),
43            controller_leader_id: Some(CheetahString::from_static_str("1")),
44            controller_leader_address: Some(CheetahString::from_static_str("192.168.1.1:9876")),
45            is_leader: Some(true),
46            peers: Some(CheetahString::from_static_str("192.168.1.1:9876,192.168.1.2:9876")),
47        };
48        let map = header.to_map().unwrap();
49        assert_eq!(
50            map.get(&CheetahString::from_static_str(GetMetaDataResponseHeader::GROUP))
51                .unwrap(),
52            "test_group"
53        );
54        assert_eq!(
55            map.get(&CheetahString::from_static_str(
56                GetMetaDataResponseHeader::CONTROLLER_LEADER_ID
57            ))
58            .unwrap(),
59            "1"
60        );
61        assert_eq!(
62            map.get(&CheetahString::from_static_str(
63                GetMetaDataResponseHeader::CONTROLLER_LEADER_ADDRESS
64            ))
65            .unwrap(),
66            "192.168.1.1:9876"
67        );
68        assert_eq!(
69            map.get(&CheetahString::from_static_str(GetMetaDataResponseHeader::IS_LEADER))
70                .unwrap(),
71            "true"
72        );
73        assert_eq!(
74            map.get(&CheetahString::from_static_str(GetMetaDataResponseHeader::PEERS))
75                .unwrap(),
76            "192.168.1.1:9876,192.168.1.2:9876"
77        );
78    }
79
80    #[test]
81    fn get_meta_data_response_header_deserializes_correctly() {
82        let mut map = HashMap::new();
83        map.insert(
84            CheetahString::from_static_str(GetMetaDataResponseHeader::GROUP),
85            CheetahString::from("test_group"),
86        );
87        map.insert(
88            CheetahString::from_static_str(GetMetaDataResponseHeader::CONTROLLER_LEADER_ID),
89            CheetahString::from("1"),
90        );
91        map.insert(
92            CheetahString::from_static_str(GetMetaDataResponseHeader::CONTROLLER_LEADER_ADDRESS),
93            CheetahString::from("192.168.1.1:9876"),
94        );
95        map.insert(
96            CheetahString::from_static_str(GetMetaDataResponseHeader::IS_LEADER),
97            CheetahString::from("true"),
98        );
99        map.insert(
100            CheetahString::from_static_str(GetMetaDataResponseHeader::PEERS),
101            CheetahString::from("192.168.1.1:9876,192.168.1.2:9876"),
102        );
103        let header = <GetMetaDataResponseHeader as FromMap>::from(&map).unwrap();
104        assert_eq!(header.group, Some(CheetahString::from_static_str("test_group")));
105        assert_eq!(header.controller_leader_id, Some(CheetahString::from_static_str("1")));
106        assert_eq!(
107            header.controller_leader_address,
108            Some(CheetahString::from_static_str("192.168.1.1:9876"))
109        );
110        assert_eq!(header.is_leader, Some(true));
111        assert_eq!(
112            header.peers,
113            Some(CheetahString::from_static_str("192.168.1.1:9876,192.168.1.2:9876"))
114        );
115    }
116
117    #[test]
118    fn get_meta_data_response_header_handles_missing_optional_fields() {
119        let map = HashMap::new();
120        let header = <GetMetaDataResponseHeader as FromMap>::from(&map).unwrap();
121        assert!(header.group.is_none());
122        assert!(header.controller_leader_id.is_none());
123        assert!(header.controller_leader_address.is_none());
124        assert!(header.is_leader.is_none());
125        assert!(header.peers.is_none());
126    }
127}
rocketmq_remoting/protocol/header/get_meta_data_response_header.rs

rocketmq_remoting/protocol/header/
get_meta_data_response_header.rs
