bats-testing-patterns

Comprehensive testing framework for shell scripts using Bats with patterns, fixtures, and CI/CD integration. Comprehensive 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. Bats (Bash Automated Testing System) is a TAP (Test Anything Protocol) compliant testing framework for shell scripts that provides: - Covers core Bats concepts including test syntax, assertion patterns for exit codes and output, and setup/teardown lifecycle management - Provides mocking and stubbing strategies for external commands, functions, and environment variables to isolate units under test - Includes fixture management patterns, error condition testing, and shell compatibility validation across bash, sh, and dash - Demonstrates CI/CD integration with GitHub Actions and Makefile examples, plus parallel execution and test helper utilities - Writing unit tests for shell scripts - Implementing test-driven development (TDD) for scripts - Setting up automated testing in CI/CD pipelines - Testing edge cases and error conditions - Validating behavior across different shell environments - Building maintainable test suites for scripts - Creating fixtures for complex test scenarios - Testing multiple shell dialects (bash, sh, dash) - Simple, natural test syntax -...