Golang Testing (Grade A) logo

Golang Testing (Grade A)Security-tested development skill for Claude AI. Grade A. Production-ready Golang tests — table-driven tests, testify suites and mocks, parallel tests, fuzzing, fixtures, goroutine leak detection with

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Daniel NikulshynReviewed by Daniel Nikulshyn·Updated July 2026

Overview

Production-ready Golang tests include table-driven tests, testify suites and mocks, parallel tests, fuzzing, fixtures, goroutine leak detection with goleak, snapshot testing, code coverage, integration tests, and idiomatic test naming. This skill is designed for Claude Code or similar AI coding agents and for projects using Golang. It guides the creation of maintainable, fast, and reliable tests following best practices such as using table-driven tests with named subtests, integration tests with build tags, and avoiding tests that depend on execution order. The skill also emphasizes testing observable behavior and public API contracts, using testify as helpers, and keeping unit tests fast. The skill supports various modes of operation including Write mode for generating new tests, Review mode for reviewing test changes in a PR, Audit mode for auditing an existing test suite, and Debug mode for failing or flaky tests. It utilizes tools like gotests for scaffolding table-driven tests and goleak for detecting goroutine leaks. The goal is to constrain behavior through tests, not just to achieve coverage targets. It promotes writing tests as executable specifications and encourages a thoughtful approach to test strategy design and failure analysis. The skill is licensed under MIT compatibility and is designed to be used when writing or reviewing Go tests, choosing a testing approach, setting up Go test CI, or debugging flaky/slow tests.

Key features

  • Table-driven tests
  • Testify suites and mocks
  • Parallel tests
  • Fuzzing
  • Fixtures
  • Goroutine leak detection

Pricing

Model
Free
Category
Skills
Rating
No reviews yet

Use cases

Writing New Tests

Use in Write mode to generate new tests for existing or new code, scaffolding table-driven tests and enriching with edge cases and error paths.

Reviewing Test Changes

Use in Review mode to check coverage of new behavior, assertion quality, and absence of flakiness patterns in a PR's test changes.

Auditing Existing Test Suites

Use in Audit mode to identify gaps, flakiness, or bad patterns in an existing test suite, such as order-dependent tests or missing t.Parallel().

Pros & Cons

Pros

  • Guided creation of production-ready tests
  • Emphasis on maintainable, fast, and reliable tests
  • Supports various testing modes (Write, Review, Audit, Debug)
  • Utilizes popular testing tools like gotests and goleak
  • Encourages best practices in test writing

Cons

  • Limited to Golang
  • May require additional setup for existing projects
  • Dependence on specific tools and methodologies

Reviews

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Q&A

Are there any limitations or prerequisites?

The skill is limited to Golang projects, may require additional setup for existing codebases, and depends on specific tools such as gotests, goleak, and testify.

Asked by Halime Yalcin · Jun 6, 2026

What are the main benefits of using this tool?

It guides the creation of maintainable, fast, and reliable tests, emphasizes observable behavior and public API contracts, and integrates popular tools like gotests and goleak to enforce best practices.

Asked by Rina Desai · May 10, 2026

Which AI coding agents can use this skill?

The skill is designed for Claude Code or similar AI coding agents and for projects that use Golang, enabling them to generate or review production‑ready tests.

Asked by Sami Virtanen · Mar 28, 2026

What testing features does Golang Testing (Grade A) provide?

It includes table‑driven tests, testify suites and mocks, parallel execution, fuzzing, fixtures, goroutine leak detection with goleak, snapshot testing, code coverage, integration tests with build tags, and idiomatic test naming.

Asked by Ahmed Saleh · Mar 18, 2026

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