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refactor: standardize Go error handling with error chain support - #76

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kubrickcode merged 1 commit into
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develop/shlee/56
Nov 29, 2025
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refactor: standardize Go error handling with error chain support#76
kubrickcode merged 1 commit into
mainfrom
develop/shlee/56

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  • Changed all error comparisons to errors.Is() for error chain support
  • Defined domain-specific custom error types (Configuration, Token, OAuth, Redis, Crypto)
  • Added error wrapping to preserve context and improve debugging
  • Added error chain validation tests

fix #56

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@github-actions github-actions Bot added the refactor Refactoring code label Nov 29, 2025
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/gemini review

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Summary of Changes

Hello @kubrickcode, I'm Gemini Code Assist1! I'm currently reviewing this pull request and will post my feedback shortly. In the meantime, here's a summary to help you and other reviewers quickly get up to speed!

This pull request significantly refactors the application's error handling mechanism to align with modern Go practices. The primary goal is to enhance the clarity, debuggability, and maintainability of error propagation throughout the system. By introducing a structured approach to error types and leveraging Go's error wrapping features, developers can now more easily understand the root cause of issues and handle specific error conditions more effectively.

Highlights

  • Standardized Error Handling: All error comparisons have been updated to use errors.Is() for proper error chain support, ensuring that wrapped errors can be correctly identified.
  • Custom Error Types: New domain-specific custom error types have been introduced for Configuration, Token, OAuth, Redis, and Crypto operations, centralizing error definitions.
  • Error Wrapping: Error wrapping (fmt.Errorf("%w", err)) has been implemented across the codebase to preserve context and improve debugging capabilities by allowing inspection of the original error.
  • Error Chain Validation Tests: Comprehensive tests have been added to validate the functionality of error wrapping, unwrapping, and errors.Is() comparisons, ensuring the robustness of the new error handling approach.
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Code Review

This pull request is a great step towards standardizing error handling across the application. By centralizing error definitions in the new pkg/errors package and consistently using error wrapping with errors.Is, you've significantly improved the code's robustness and debuggability. The changes are well-implemented and follow modern Go best practices for error management. The addition of comprehensive tests for the new error types is also a valuable contribution. I have a couple of suggestions to further enhance maintainability.

Comment thread server/pkg/errors/types_test.go Outdated
Comment thread server/pkg/redis/client.go Outdated
- Changed all error comparisons to errors.Is() for error chain support
- Defined domain-specific custom error types (Configuration, Token, OAuth, Redis, Crypto)
- Added error wrapping to preserve context and improve debugging
- Added error chain validation tests

fix #56
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/gemini review

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Code Review

This pull request is a great step towards standardizing error handling in the Go backend. By centralizing domain-specific sentinel errors in the new pkg/errors package, converting error comparisons to use errors.Is(), and consistently wrapping errors to preserve context, you've significantly improved the code's maintainability and debuggability. The addition of tests for error chains is also an excellent practice. I have a couple of suggestions to further refine the logical grouping of the new error types and improve test coverage. Overall, this is a very solid and beneficial refactoring.

Comment thread server/pkg/errors/types.go
Comment thread server/pkg/errors/types_test.go
@kubrickcode
kubrickcode merged commit 3fc87bf into main Nov 29, 2025
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@kubrickcode
kubrickcode deleted the develop/shlee/56 branch November 29, 2025 06:07
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🎉 This PR is included in version 2.0.4 🎉

The release is available on GitHub release

Your semantic-release bot 📦🚀

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Standardize Go error handling

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