Bats (Bash Automated Testing System) is a TAP-compliant testing framework for shell scripts that provides a simple syntax for assertions, fixtures, and test execution.

Does this work with shells other than Bash?

Yes, the skill covers testing patterns for POSIX-compliant sh and dash, helping ensure your scripts remain portable across different Linux distributions.

Can I use these Bats tests in GitHub Actions?

Yes, this skill includes optimized workflow templates and configuration examples for running Bats tests automatically within GitHub Actions and other CI providers.

Why use Bats instead of manual shell testing?

Bats automates validation, prevents regressions, and produces standardized TAP output that integrates with modern DevOps reporting tools.

How does this skill help with shell mocking?

It provides specific patterns for function mocking and command stubbing by manipulating the PATH environment variable or using exported bash functions to simulate external tool behavior.

Bats Shell Testing Patterns

Name: Bats Shell Testing Patterns
Author: Microck

byMicrock

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Security & Testing

Master the Bash Automated Testing System (Bats) to create robust, production-grade unit tests for shell scripts and CI/CD pipelines.

This skill provides comprehensive guidance and implementation patterns for the Bash Automated Testing System (Bats), a TAP-compliant testing framework for shell scripts. It helps developers move beyond manual script testing by providing standardized templates for assertion patterns, environment mocking, command stubbing, and fixture management. Whether you are building simple automation scripts or complex infrastructure-as-code utilities, this skill ensures your shell code is maintainable, portable across different shell dialects like bash and dash, and easily integrated into automated testing workflows.

Key Features

0181 GitHub stars

02Standardized setup and teardown routines for isolated test environments

03Portable testing strategies for various shell dialects including POSIX sh and dash

04Ready-to-use CI/CD integration patterns for GitHub Actions and Makefiles

05Robust command stubbing and function mocking techniques to isolate dependencies

06Advanced assertion patterns for exit codes, multi-line output, and file states

Use Cases

01Mocking external system dependencies and CLI tools during script development

02Implementing test-driven development (TDD) for complex shell utility scripts

03Automating shell script validation within modern CI/CD deployment pipelines

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add microck/ordinary-claude-skills bats-testing-patterns

For use in Claude.ai and ChatGPT

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