What is Bats in the context of shell scripting?

Bats (Bash Automated Testing System) is a TAP-compliant testing framework that allows you to write tests for shell scripts with a simple, natural syntax, making it easier to verify script behavior.

Can I test scripts meant for different shells like Dash or Sh?

Yes, it includes patterns for validating script behavior across various shell dialects and environments to ensure portability and POSIX compliance.

Does it support CI/CD integration?

Absolutely, the skill includes ready-to-use patterns for integrating Bats tests into GitHub Actions workflows and Makefile-based build systems.

How does the skill handle temporary test files?

The skill covers advanced setup and teardown patterns using mktemp to create isolated test environments that are automatically cleaned up after test execution.

Can this skill help with mocking external commands?

Yes, it provides specific patterns for function mocking and command stubbing to isolate your scripts from external system dependencies during testing.

Bats Shell Testing Patterns

Name: Bats Shell Testing Patterns
Author: amurata

byamurata

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Security & Testing

Implements comprehensive unit testing for shell scripts using the Bash Automated Testing System (Bats) framework.

Bats Shell Testing Patterns provides Claude with the specialized expertise required to design, write, and maintain production-grade test suites for shell utilities and CI/CD pipelines. This skill enables the application of test-driven development (TDD) principles to shell scripting by providing a library of patterns for assertions, mocking external dependencies, and managing complex fixtures. Whether you are validating exit codes, capturing multi-line output, or ensuring cross-shell compatibility between Bash, Sh, and Dash, this skill helps create reliable, maintainable automation code that integrates seamlessly into modern DevOps workflows.

Key Features

01Advanced mocking and stubbing techniques for external commands and environment variables

02Comprehensive assertion patterns for exit codes, string matching, and file system states

03CI/CD integration guidance for GitHub Actions and Makefile-based automation

043 GitHub stars

05Efficient setup and teardown strategies for managing temporary directories and fixtures

06Cross-shell compatibility testing patterns for Bash, Sh, and Dash environments

Use Cases

01Validating script behavior across different Linux distributions and shell versions

02Building robust unit test suites for mission-critical DevOps and infrastructure scripts

03Implementing test-driven development (TDD) workflows for new shell-based CLI utilities

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add amurata/cc-tools bats-testing-patterns

For use in Claude.ai and ChatGPT

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