rocketmq_protocol/protocol/header/
get_lite_group_info_request_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 cheetah_string::CheetahString;
16use rocketmq_macros::RequestHeaderCodec;
17use serde::Deserialize;
18use serde::Serialize;
19
20use crate::rpc::rpc_request_header::RpcRequestHeader;
21
22#[derive(Clone, Debug, Serialize, Deserialize, RequestHeaderCodec)]
23#[header(
24    type_id = "rocketmq_protocol::protocol::header::get_lite_group_info_request_header::GetLiteGroupInfoRequestHeader",
25    java_class = "org.apache.rocketmq.remoting.protocol.header.GetLiteGroupInfoRequestHeader"
26)]
27#[serde(rename_all = "camelCase")]
28pub struct GetLiteGroupInfoRequestHeader {
29    #[header(required)]
30    pub group: CheetahString,
31
32    #[serde(default)]
33    #[header(default, default_semantic = "literal:")]
34    pub lite_topic: CheetahString,
35
36    #[serde(default)]
37    #[header(default, default_semantic = "literal:0")]
38    pub top_k: i32,
39
40    #[serde(flatten)]
41    #[header(flatten, presence = "always")]
42    pub rpc: Option<RpcRequestHeader>,
43}
44
45#[cfg(test)]
46mod tests {
47    use std::collections::HashMap;
48
49    use super::*;
50    use crate::protocol::command_custom_header::CommandCustomHeader;
51    use crate::protocol::command_custom_header::FromMap;
52
53    #[test]
54    fn get_lite_group_info_request_header_serializes_to_map() {
55        let header = GetLiteGroupInfoRequestHeader {
56            group: CheetahString::from("my_group"),
57            lite_topic: CheetahString::from("my_lite_topic"),
58            top_k: 5,
59            rpc: None,
60        };
61
62        let map = header.to_map().unwrap();
63        assert_eq!(map.get(&CheetahString::from_static_str("group")).unwrap(), "my_group");
64        assert_eq!(
65            map.get(&CheetahString::from_static_str("liteTopic")).unwrap(),
66            "my_lite_topic"
67        );
68        assert_eq!(map.get(&CheetahString::from_static_str("topK")).unwrap(), "5");
69    }
70
71    #[test]
72    fn get_lite_group_info_request_header_deserializes_from_map() {
73        let mut map = HashMap::new();
74        map.insert(
75            CheetahString::from_static_str("group"),
76            CheetahString::from("deserialized_group"),
77        );
78        map.insert(
79            CheetahString::from_static_str("liteTopic"),
80            CheetahString::from("deserialized_lite"),
81        );
82        map.insert(CheetahString::from_static_str("topK"), CheetahString::from("20"));
83
84        let header = <GetLiteGroupInfoRequestHeader as FromMap>::from(&map).unwrap();
85        assert_eq!(header.group, CheetahString::from("deserialized_group"));
86        assert_eq!(header.lite_topic, CheetahString::from("deserialized_lite"));
87        assert_eq!(header.top_k, 20);
88    }
89}
rocketmq_protocol/protocol/header/get_lite_group_info_request_header.rs

rocketmq_protocol/protocol/header/
get_lite_group_info_request_header.rs
