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Add timeout check in listener test#14

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leynos merged 2 commits intomainfrom
codex/add-timeout-check-for-socket-file-creation
Jul 28, 2025
Merged

Add timeout check in listener test#14
leynos merged 2 commits intomainfrom
codex/add-timeout-check-for-socket-file-creation

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@leynos leynos commented Jul 27, 2025

Summary

  • assert the Unix socket appears within 100ms in listener steps
  • keep documentation formatting up to date

Testing

  • make fmt
  • make lint
  • make test

https://chatgpt.com/codex/tasks/task_e_6886b7488dd48322a83ae2c33ae5596b

Summary by Sourcery

Add timeout-based check in listener test to assert socket creation within 100ms and update line wrapping in AGENTS.md

Documentation:

  • Update AGENTS.md line wrapping for consistent formatting

Tests:

  • Add timeout loop and assertion in listener test to ensure socket file appears within 100ms

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sourcery-ai Bot commented Jul 27, 2025

Reviewer's Guide

This PR enhances the listener_steps test by introducing a 100 ms timeout check for the Unix socket file creation and updates the AGENTS.md documentation formatting for consistent line wrapping.

Sequence diagram for listener test with 100ms timeout check

sequenceDiagram
    participant TestRunner
    participant FileSystem
    TestRunner->>FileSystem: Start listener
    TestRunner->>FileSystem: Wait for Unix socket (max 100ms)
    alt Socket appears within 100ms
        FileSystem-->>TestRunner: Socket file detected
        TestRunner->>TestRunner: Assert success
    else Timeout (100ms elapsed)
        TestRunner->>TestRunner: Assert failure (timeout)
    end
Loading

File-Level Changes

Change Details Files
Add 100 ms timeout assertion in listener_steps test
  • Bind socket_path from world config instead of repeated unwrap
  • Update loop comment to indicate 100 ms timeout
  • Check socket existence in loop with 10 ms sleeps
  • Assert socket file presence after timeout with descriptive error
tests/steps/listener_steps.rs
Reflow AGENTS.md text for consistent formatting
  • Merge split lines into a single wrapped paragraph
  • Adjust indentation for improved readability
AGENTS.md

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coderabbitai Bot commented Jul 27, 2025

Summary by CodeRabbit

  • Documentation

    • Improved formatting in the AGENTS.md file for better readability and consistency.
  • Tests

    • Enhanced test reliability by adding an explicit wait-and-verify mechanism for socket file creation, ensuring tests only proceed once the socket is available.

Walkthrough

Update the AGENTS.md documentation to merge a split bullet point into a single line for clarity. In the listener test, implement an explicit loop to wait for the Unix socket file to be created, replacing a placeholder comment with concrete verification logic.

Changes

Cohort / File(s) Change Summary
Documentation Formatting
AGENTS.md
Merge a split bullet point about code style into a single line for improved readability; no content changes.
Listener Test Synchronisation
tests/steps/listener_steps.rs
Add a loop to explicitly wait for the Unix socket file to appear, replacing a comment with actual verification logic.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~7 minutes

Possibly related PRs

Poem

Merge the lines and wait for the file,
Docs now flow in a single style.
The socket appears, the test is sure,
With loops and checks, the code is pure.
From markdown tweaks to sockets spun,
Review is simple—well done, well run!
📝🔄🧪

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Reviewing files that changed from the base of the PR and between 9a22ef4 and d4df46d.

📒 Files selected for processing (1)
  • tests/steps/listener_steps.rs (1 hunks)
🧰 Additional context used
📓 Path-based instructions (1)
**/*.rs

📄 CodeRabbit Inference Engine (AGENTS.md)

**/*.rs: Clippy warnings MUST be disallowed.
Fix any warnings emitted during tests in the code itself rather than silencing them.
Where a function is too long, extract meaningfully named helper functions adhering to separation of concerns and CQRS.
Where a function has too many parameters, group related parameters in meaningfully named structs.
Where a function is returning a large error consider using Arc to reduce the amount of data returned.
Write unit and behavioural tests for new functionality. Run both before and after making any change.
Every module must begin with a module level (//!) comment explaining the module's purpose and utility.
Document public APIs using Rustdoc comments (///) so documentation can be generated with cargo doc.
Prefer immutable data and avoid unnecessary mut bindings.
Handle errors with the Result type instead of panicking where feasible.
Avoid unsafe code unless absolutely necessary and document any usage clearly.
Place function attributes after doc comments.
Do not use return in single-line functions.
Use predicate functions for conditional criteria with more than two branches.
Lints must not be silenced except as a last resort.
Lint rule suppressions must be tightly scoped and include a clear reason.
Prefer expect over allow.
Prefer .expect() over .unwrap().
Use concat!() to combine long string literals rather than escaping newlines with a backslash.
Prefer semantic error enums. Derive std::error::Error (via the thiserror crate) for any condition the caller might inspect, retry, or map to an HTTP status.
Use an opaque error only at the app boundary. Use eyre::Report for human-readable logs; these should not be exposed in public APIs.
Never export the opaque type from a library. Convert to domain enums at API boundaries, and to eyre only in the main main() entrypoint or top-level async task.

Files:

  • tests/steps/listener_steps.rs

⚙️ CodeRabbit Configuration File

**/*.rs: * Seek to keep the cyclomatic complexity of functions no more than 12.

  • Adhere to single responsibility and CQRS

  • Place function attributes after doc comments.

  • Do not use return in single-line functions.

  • Move conditionals with >2 branches into a predicate function.

  • Avoid unsafe unless absolutely necessary.

  • Every module must begin with a //! doc comment that explains the module's purpose and utility.

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    • Include FIXME: with link if a fix is expected.
  • Use rstest fixtures for shared setup and to avoid repetition between tests.

  • Replace duplicated tests with #[rstest(...)] parameterised cases.

  • Prefer mockall for mocks/stubs.

  • Prefer .expect() over .unwrap()

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Files:

  • tests/steps/listener_steps.rs
🔇 Additional comments (1)
tests/steps/listener_steps.rs (1)

64-80: Excellent timeout implementation with proper error handling.

The timeout mechanism correctly addresses the test reliability concern. The implementation follows best practices:

  • Uses .expect() with descriptive error messages instead of .unwrap()
  • Implements early exit when socket is found, avoiding unnecessary delays
  • Provides clear assertion failure context with socket path display
  • Uses appropriate timeout duration (100ms) and polling interval (10ms) for test scenarios

The concrete verification logic properly replaces the placeholder comment and enhances test reliability.

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Hey @leynos - I've reviewed your changes and they look great!


Sourcery is free for open source - if you like our reviews please consider sharing them ✨
Help me be more useful! Please click 👍 or 👎 on each comment and I'll use the feedback to improve your reviews.

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leynos commented Jul 28, 2025

@coderabbitai review

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coderabbitai Bot commented Jul 28, 2025

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Actionable comments posted: 1

📜 Review details

Configuration used: CodeRabbit UI
Review profile: ASSERTIVE
Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between cd767e1 and 9a22ef4.

📒 Files selected for processing (2)
  • AGENTS.md (1 hunks)
  • tests/steps/listener_steps.rs (1 hunks)
🧰 Additional context used
📓 Path-based instructions (2)
**/*.md

⚙️ CodeRabbit Configuration File

**/*.md: * Avoid 2nd person or 1st person pronouns ("I", "you", "we")

  • Use en-GB-oxendict (-ize / -our) spelling and grammar
  • Paragraphs and bullets must be wrapped to 80 columns, except where a long URL would prevent this (in which case, silence MD013 for that line)
  • Code blocks should be wrapped to 120 columns.
  • Headings must not be wrapped.
  • Documents must start with a level 1 heading
  • Headings must correctly increase or decrease by no more than one level at a time
  • Use GitHub-flavoured Markdown style for footnotes and endnotes.
  • Numbered footnotes must be numbered by order of appearance in the document.

Files:

  • AGENTS.md
**/*.rs

⚙️ CodeRabbit Configuration File

**/*.rs: * Seek to keep the cyclomatic complexity of functions no more than 12.

  • Adhere to single responsibility and CQRS

  • Place function attributes after doc comments.

  • Do not use return in single-line functions.

  • Move conditionals with >2 branches into a predicate function.

  • Avoid unsafe unless absolutely necessary.

  • Every module must begin with a //! doc comment that explains the module's purpose and utility.

  • Comments and docs must follow en-GB-oxendict (-ize / -our) spelling and grammar

  • Lints must not be silenced except as a last resort.

    • #[allow] is forbidden.
    • Only narrowly scoped #[expect(lint, reason = "...")] is allowed.
    • No lint groups, no blanket or file-wide suppression.
    • Include FIXME: with link if a fix is expected.
  • Use rstest fixtures for shared setup and to avoid repetition between tests.

  • Replace duplicated tests with #[rstest(...)] parameterised cases.

  • Prefer mockall for mocks/stubs.

  • Prefer .expect() over .unwrap()

  • Ensure that any API or behavioural changes are reflected in the documentation in docs/

  • Ensure that any completed roadmap steps are recorded in the appropriate roadmap in docs/

  • Files must not exceed 400 lines in length

    • Large modules must be decomposed
    • Long match statements or dispatch tables should be decomposed by domain and collocated with targets
    • Large blocks of inline data (e.g., test fixtures, constants or templates) must be moved to external files and inlined at compile-time or loaded at run-time.

Files:

  • tests/steps/listener_steps.rs
🔇 Additional comments (3)
AGENTS.md (1)

12-13: LGTM - Improved readability through line consolidation.

The merge of the split bullet point into a single line eliminates an awkward line break and enhances readability whilst maintaining the 80-column wrapping requirement.

tests/steps/listener_steps.rs (2)

66-71: LGTM - Robust socket readiness verification.

The polling approach with 10ms intervals and 100ms total timeout provides reliable socket file detection whilst avoiding unnecessary delays through early exit when the socket appears.


72-76: LGTM - Clear assertion with descriptive failure message.

The assertion provides excellent diagnostic information including the socket path, making test failures easy to debug.

Comment thread tests/steps/listener_steps.rs
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leynos commented Jul 28, 2025

@sourcery-ai review

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Hey @leynos - I've reviewed your changes and they look great!


Sourcery is free for open source - if you like our reviews please consider sharing them ✨
Help me be more useful! Please click 👍 or 👎 on each comment and I'll use the feedback to improve your reviews.

@leynos leynos merged commit 5553911 into main Jul 28, 2025
1 check passed
@leynos leynos deleted the codex/add-timeout-check-for-socket-file-creation branch July 28, 2025 22:13
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