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[ISSUE #2151]♻️Refactor RegisterBrokerResponseHeader with derive marco RequestHeaderCodec #2152

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Merged
merged 1 commit into from
Jan 7, 2025

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mxsm
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@mxsm mxsm commented Jan 7, 2025

Which Issue(s) This PR Fixes(Closes)

Fixes #2151

Brief Description

How Did You Test This Change?

Summary by CodeRabbit

  • Refactor

    • Updated RegisterBrokerResponseHeader with enhanced serialization capabilities
    • Simplified response header functionality by removing custom header implementation
  • Tests

    • Added comprehensive unit tests for request and response headers
    • Implemented tests for header serialization, deserialization, and edge cases

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coderabbitai bot commented Jan 7, 2025

Walkthrough

The pull request focuses on refactoring the RegisterBrokerRequestHeader and RegisterBrokerResponseHeader in the RocketMQ Rust implementation. The primary changes include adding the RequestHeaderCodec derive macro to both header structures, removing the CommandCustomHeader trait implementation for the response header, and introducing comprehensive unit tests to validate the new implementation.

Changes

File Change Summary
rocketmq-remoting/src/protocol/header/namesrv/register_broker_header.rs - Added RequestHeaderCodec derive macro to RegisterBrokerResponseHeader
- Removed CommandCustomHeader trait implementation
- Added unit tests for request and response headers

Assessment against linked issues

Objective Addressed Explanation
Refactor RegisterBrokerResponseHeader with derive macro RequestHeaderCodec [#2151]
Ensure no new bugs are introduced
Update unit tests
Ensure no performance impact

Possibly related issues

Possibly related PRs

Suggested labels

enhancement⚡️

Suggested reviewers

  • TeslaRustor
  • SpaceXCN
  • rocketmq-rust-bot

Poem

🚀 Refactoring headers with glee,
A rabbit's dance of efficiency!
Derive macros, traits refined,
Code complexity now redesigned.
RocketMQ Rust, sailing free! 🐰


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🔊@mxsm 🚀Thanks for your contribution🎉!

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Actionable comments posted: 0

🧹 Nitpick comments (2)
rocketmq-remoting/src/protocol/header/namesrv/register_broker_header.rs (2)

129-264: Consider adding edge case tests.

The test coverage is comprehensive for the happy path and basic missing fields scenarios. However, consider adding tests for:

  • Empty string values
  • Invalid values (e.g., malformed IP addresses)
  • Maximum field length validation

Example test cases to add:

#[test]
fn register_broker_request_header_empty_strings() {
    let header = RegisterBrokerRequestHeader::new(
        CheetahString::from(""),
        CheetahString::from(""),
        CheetahString::from(""),
        CheetahString::from(""),
        1,
        None,
        None,
        false,
        0,
    );
    // Assert behavior with empty strings
}

#[test]
fn register_broker_request_header_invalid_addresses() {
    let json = r#"{"brokerName":"broker1","brokerAddr":"invalid_ip","clusterName":"cluster1","haServerAddr":"300.300.300.300","brokerId":1,"compressed":true,"bodyCrc32":12345}"#;
    // Assert behavior with invalid IP addresses
}

160-177: Improve test robustness with round-trip testing.

The current serialization tests use hardcoded JSON strings which are brittle and may fail if the field order changes. Consider using round-trip testing pattern:

#[test]
fn register_broker_request_header_round_trip() {
    let original = RegisterBrokerRequestHeader::new(
        CheetahString::from("broker1"),
        CheetahString::from("127.0.0.1"),
        CheetahString::from("cluster1"),
        CheetahString::from("127.0.0.2"),
        1,
        Some(3000),
        Some(true),
        true,
        12345,
    );
    let serialized = serde_json::to_string(&original).unwrap();
    let deserialized: RegisterBrokerRequestHeader = serde_json::from_str(&serialized).unwrap();
    
    assert_eq!(original.broker_name, deserialized.broker_name);
    assert_eq!(original.broker_addr, deserialized.broker_addr);
    // ... assert other fields
}

Also applies to: 229-239

📜 Review details

Configuration used: .coderabbit.yaml
Review profile: CHILL
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 2c21491 and 6866069.

📒 Files selected for processing (1)
  • rocketmq-remoting/src/protocol/header/namesrv/register_broker_header.rs (2 hunks)
⏰ Context from checks skipped due to timeout of 90000ms (9)
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🔇 Additional comments (1)
rocketmq-remoting/src/protocol/header/namesrv/register_broker_header.rs (1)

Line range hint 113-128: Verify backward compatibility after removing CommandCustomHeader trait.

The refactoring to use RequestHeaderCodec derive macro looks good, but we should ensure that removing the CommandCustomHeader trait implementation doesn't break existing code that might depend on it.

Let's verify the usage of CommandCustomHeader trait for RegisterBrokerResponseHeader:

✅ Verification successful

Removal of CommandCustomHeader trait is safe

The refactoring to use RequestHeaderCodec derive macro is correct and backward compatible. No direct usage of CommandCustomHeader trait methods was found for RegisterBrokerResponseHeader, and all interactions with this header are properly handled through the new derive macro implementation.

🏁 Scripts executed

The following scripts were executed for the analysis:

Script:

#!/bin/bash
# Search for any direct usage of CommandCustomHeader methods on RegisterBrokerResponseHeader
rg -l "RegisterBrokerResponseHeader.*\.(?:check_fields|to_map)\b" 

# Search for any type constraints requiring RegisterBrokerResponseHeader to implement CommandCustomHeader
rg "where.*RegisterBrokerResponseHeader.*:.*CommandCustomHeader"

Length of output: 134


Script:

#!/bin/bash
# Search for any usage of RegisterBrokerResponseHeader
rg "RegisterBrokerResponseHeader" -B 2 -A 2

# Search for CommandCustomHeader trait bounds or implementations
ast-grep --pattern 'impl CommandCustomHeader for $_'

# Search for generic functions with CommandCustomHeader bounds
ast-grep --pattern 'fn $_<$_> where $_: CommandCustomHeader'

Length of output: 72247

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codecov bot commented Jan 7, 2025

Codecov Report

Attention: Patch coverage is 99.11504% with 1 line in your changes missing coverage. Please review.

Project coverage is 28.55%. Comparing base (2c21491) to head (6866069).
Report is 1 commits behind head on main.

Files with missing lines Patch % Lines
.../protocol/header/namesrv/register_broker_header.rs 99.11% 1 Missing ⚠️
Additional details and impacted files
@@            Coverage Diff             @@
##             main    #2152      +/-   ##
==========================================
+ Coverage   28.38%   28.55%   +0.16%     
==========================================
  Files         497      497              
  Lines       70895    70978      +83     
==========================================
+ Hits        20123    20267     +144     
+ Misses      50772    50711      -61     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

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LGTM

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[Refactor♻️]Refactor RegisterBrokerResponseHeader with derive marco RequestHeaderCodec
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