go-test

What problem does it solve?

This Skill provides a comprehensive guide for writing effective and maintainable Go tests using the standard testing package. It helps developers overcome challenges in test structure, mocking, and writing robust test cases, ensuring reliable code and faster development cycles.

Core Features & Use Cases

• Standardized Test Structure: Defines file naming, hierarchy, and the Given-When-Then pattern for clarity.
• Table-Driven Tests: Guides on using table-driven tests for efficient and comprehensive test case management.
• Subtests & Benchmarks: Best practices for organizing tests with t.Run() and measuring performance with BenchmarkXxx.
• Mocking Principles: Offers advice on interface-based dependency injection and manual mocking for isolated tests.
• Use Case: A developer needs to write new unit or integration tests for a Go service, ensuring all edge cases are covered with idiomatic Go patterns.
• Use Case: A team wants to improve the quality and consistency of their existing Go test suite, making it easier to understand and maintain.

Quick Start

Generate table-driven test cases for the attached calculator.go function, covering positive, negative, and zero inputs.