Bats Testing Patterns

About

This skill provides comprehensive guidance and reusable patterns for mastering the Bash Automated Testing System (Bats). It enables developers to implement Test-Driven Development (TDD) for shell utilities, covering essential aspects such as status code assertions, output verification, file system testing, and complex mocking strategies. Whether you are building CI/CD pipelines or maintaining legacy shell scripts, these patterns ensure your scripts remain reliable, maintainable, and portable across different shell environments like bash, sh, and dash.

Key Features

• Standardized Bats test structures for unit and integration testing
• CI/CD integration workflows for GitHub Actions and Makefile automation
• Mocking and stubbing patterns for external commands and environment variables
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• Advanced setup and teardown routines for resource and fixture isolation
• Cross-shell compatibility testing patterns for bash, sh, and dash

Use Cases

• Refactoring legacy shell utilities using a Test-Driven Development approach
• Automating shell script validation in CI/CD pipelines to prevent regressions
• Testing complex edge cases and error handling in system administration scripts