golang-testing

Automate Go testing coverage with patterns for unit, integration, and benchmark tests.

3|Updated Jan 29, 2026

Search Tags:#testing #golang #benchmarks #fuzzing #table-driven #race-detection #httptest

Ready to run

npx skills add https://github.com/peopleforrester/claude-dotfiles --skill golang-testing-peopleforrester

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: golang-testing
Source: https://github.com/peopleforrester/claude-dotfiles/tree/main/skills/development/golang-testing
Command: npx skills add https://github.com/peopleforrester/claude-dotfiles --skill golang-testing-peopleforrester

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Go projects often struggle with writing robust, maintainable tests. This Skill provides patterns and examples to improve test clarity, coverage, and reliability across common Go scenarios.

Core Features & Use Cases

Table-driven tests: Demonstrate how to cover multiple inputs succinctly.
HTTP handler/testing utilities: Use httptest to validate web handlers.
Subtests and benchmarks: Structure tests with t.Run and measure performance.
Fuzzing and race detection: Introduce fuzz tests and race detector guidance.
Real-world example: Validate a parsing function with table-driven tests and subtests.

Quick Start

Place Go test patterns into your project and run go test ./... with race and -bench options as needed. Start with a simple table-driven test for a small function, then progressively add benchmarks and fuzz tests to uncover edge cases.

Frequently Asked Questions about golang-testing

High-intent search queries and answers about installing and using this skill.

FAQPage Schema

How do I write table-driven tests in Go?▼

Table-driven tests in Go use a slice of structs to define multiple input scenarios and expected outputs succinctly. You iterate through these cases to execute subtests, ensuring comprehensive coverage without duplicating test logic.

What's the best way to test HTTP handlers in Go?▼

Testing HTTP handlers in Go is best done using the httptest package to validate web endpoints. It provides utilities to create mock requests and response recorders, allowing you to verify handler behavior and status codes.

How do I measure performance with Go benchmarks?▼

You measure performance with Go benchmarks by creating functions prefixed with Benchmark and using the B pointer. Running the go test command with the -bench flag executes these tests to measure and report code execution time.

Can I detect data races in my Go code?▼

Yes, you can detect data races in Go code by running the race detector. Execute your tests with the -race flag during the go test command to identify concurrent access issues and unsafe memory operations.

Does Go support fuzzing for edge case discovery?▼

Go supports fuzzing for edge case discovery through native fuzz tests. This mechanism feeds randomized inputs to your functions to uncover panics and unexpected behavior, improving reliability without external dependencies beyond the Go toolchain.

How do I structure subtests in Go?▼

You structure subtests in Go using the t.Run method within your test functions. This allows grouping related test cases, isolating failures, and running specific scenarios individually while maintaining a clean test hierarchy.