Brat: Brutal Runner for Automated Tests, a parallel TAP testing harness for the POSIX shell
Summary
Brat is a parallel TAP testing harness for the POSIX shell. It emphasizes zero dependencies, POSIX compliance, and embedding capabilities, with a lightweight test DSL, built-in parallelism, and CI-tested portability across Unix-like systems. The project provides comprehensive documentation on installation, writing tests, and running test plans.