Bats Testing Patterns

1---
2name: bats-testing-patterns
3description: Master Bash Automated Testing System (Bats) for comprehensive shell script testing. Use when writing tests for shell scripts, CI/CD pipelines, or requiring test-driven development of shell utilities.
4---
5 
6# Bats Testing Patterns
7 
8Comprehensive guidance for writing comprehensive unit tests for shell scripts using Bats (Bash Automated Testing System), including test patterns, fixtures, and best practices for production-grade shell testing.
9 
10## Use this skill when
11 
12- Writing unit tests for shell scripts
13- Implementing TDD for scripts
14- Setting up automated testing in CI/CD pipelines
15- Testing edge cases and error conditions
16- Validating behavior across shell environments
17 
18## Do not use this skill when
19 
20- The project does not use shell scripts
21- You need integration tests beyond shell behavior
22- The goal is only linting or formatting
23 
24## Instructions
25 
26- Confirm shell dialects and supported environments.
27- Set up a test structure with helpers and fixtures.
28- Write tests for exit codes, output, and side effects.
29- Add setup/teardown and run tests in CI.
30- If detailed examples are required, open `resources/implementation-playbook.md`.
31 
32## Resources
33 
34- `resources/implementation-playbook.md` for detailed patterns and examples.
35