How does this skill handle Go subtests?

It checks for the use of t.Run to define subtests, enabling better test organization and allowing for parallel execution with t.Parallel().

Does it identify when I am testing internal implementation?

Yes, one of the core checks is identifying tests that access private fields or internal state, which makes tests brittle. It suggests testing observable behavior instead.

What is the Go Testing Code Review skill?

It is a specialized plugin for Claude Code designed to review Go test files, ensuring they adhere to community best practices like table-driven tests and proper error reporting.

Can it help prevent memory leaks in tests?

Yes, it encourages the use of t.Cleanup instead of manual defer statements or teardown functions, ensuring cleanup logic runs even if a test panics.

Is it compatible with popular Go testing libraries?

While it focuses on the standard library 'testing' package patterns, it also supports and understands common assertion libraries and comparison tools like google/go-cmp.

Go Testing Code Review

Name: Go Testing Code Review
Author: existential-birds

byexistential-birds

•

安全与测试

Enforces idiomatic Go testing patterns including table-driven tests, proper subtest isolation, and descriptive error reporting.

The Go Testing Code Review skill provides specialized guidance for Claude to analyze and improve Go test suites. It focuses on converting repetitive tests into idiomatic table-driven structures, ensuring subtests are correctly managed with t.Run, and verifying that resources are safely handled using t.Cleanup. By identifying common anti-patterns—such as testing internal implementation details or risking race conditions through shared mutable state—this skill helps developers maintain robust, readable, and highly maintainable Go codebases.

主要功能

01Ensures subtests use t.Run for isolated and parallel execution

02Detects anti-patterns like testing private state or shared mutable globals

03Enforces descriptive error messages using the got/want pattern

0414 GitHub stars

05Validates table-driven test structures for maintainability and clarity

06Checks for safe resource cleanup via t.Cleanup to prevent leaks

使用场景

01Refactoring legacy unit tests into modern, idiomatic Go patterns

02Automating peer-level code reviews for Go test files (*_test.go)

03Debugging race conditions in parallel test suites by checking state isolation

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add existential-birds/beagle go-testing-code-review

For use in Claude.ai and ChatGPT

Download Skill