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Improve error Display test docs#175

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leynos merged 2 commits intomainfrom
codex/enhance-module-docs-in-error_display.rs
Jul 4, 2025
Merged

Improve error Display test docs#175
leynos merged 2 commits intomainfrom
codex/enhance-module-docs-in-error_display.rs

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@leynos leynos commented Jul 4, 2025

Summary

  • clarify why Display and Error traits matter for users

Testing

  • make fmt
  • make lint
  • make test

https://chatgpt.com/codex/tasks/task_e_68684aa2d72083228cc40942031cb985

Summary by Sourcery

Documentation:

  • Clarify the rationale for implementing Display and Error traits in the error_display test file

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sourcery-ai Bot commented Jul 4, 2025

Reviewer's Guide

Enhanced test documentation in error_display.rs by adding clarifying comments that explain the importance of the Display and Error traits for end users.

File-Level Changes

Change Details Files
Enhanced test documentation to clarify trait importance
  • Expanded comments in test functions to describe why Display output matters for end users
  • Added explanatory note on how Error trait leverages Display for user-facing messages
  • Adjusted doc comment formatting to align with style guidelines
tests/error_display.rs

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📥 Commits

Reviewing files that changed from the base of the PR and between 5112004 and 2dedf5e.

📒 Files selected for processing (1)
  • tests/error_display.rs (1 hunks)

Summary by CodeRabbit

  • Documentation
    • Enhanced module-level documentation to clarify the benefits of implementing Display and Error traits for error types, highlighting improved log clarity and easier issue diagnosis for developers.

Walkthrough

This change updates the module-level documentation in the tests/error_display.rs file by adding two lines that highlight the importance of implementing the Display and Error traits for error types. No code logic or control flow is modified.

Changes

File(s) Change Summary
tests/error_display.rs Added two lines to the module-level docstring to elaborate on the value of Display and Error traits.

Possibly related PRs

  • Implement error displays #169: Implements Display and Error traits for specific error enums and adds related tests, directly aligning with the documentation focus on these traits.

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A rabbit with pen in paw,
Adds words to explain what they saw—
“Display” and “Error” traits,
Help diagnose our fates,
So logs stay clear and without flaw!
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Hey @leynos - I've reviewed your changes and they look great!


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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 bc76d40 and 5112004.

📒 Files selected for processing (1)
  • tests/error_display.rs (1 hunks)
🧰 Additional context used
📓 Path-based instructions (2)
`**/*.rs`: Comment why, not what. Explain assumptions, edge cases, trade-offs, o...

**/*.rs: Comment why, not what. Explain assumptions, edge cases, trade-offs, or complexity. Don't echo the obvious.
Comments must use en-GB-oxendict spelling and grammar.
Function documentation must include clear examples.
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.
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().
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.
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.

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List of files the instruction was applied to:

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

**/*.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 must use en-GB-oxendict spelling and grammar.

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  • Use rstest fixtures for shared setup and to avoid repetition between tests.

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

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  • tests/error_display.rs
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Co-authored-by: coderabbitai[bot] <136622811+coderabbitai[bot]@users.noreply.github.com>
@leynos leynos merged commit 2eb6e6d into main Jul 4, 2025
5 checks passed
@leynos leynos deleted the codex/enhance-module-docs-in-error_display.rs branch July 4, 2025 22:16
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