A CLI tool for testing command-line interfaces across local machines, SSH hosts, and Docker containers using YAML test definitions.
Commander is a command-line interface testing tool that allows developers to define and run tests for CLI scripts and programs using YAML files. It solves the problem of testing CLI tools across different environments by supporting local execution, SSH hosts, and Docker containers, ensuring consistent behavior and reducing platform-specific bugs.
Developers and DevOps engineers who build, maintain, or test command-line tools and need to verify their functionality across multiple operating systems and deployment environments.
Developers choose Commander for its simplicity, cross-platform support, and ability to test CLI tools in diverse environments without requiring language-specific dependencies or complex setup.
Test your command line interfaces on windows, linux and osx and nodes viá ssh and docker
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Runs tests on Windows, Linux, and macOS without requiring target language installations, as highlighted in the README's platform support list.
Supports local machines, SSH hosts, and Docker containers from a single YAML suite, enabling consistent validation across deployment scenarios.
Allows detailed checks on stdout/stderr, including contains, exactly, JSON, XML, and line-count assertions, making it versatile for CLI output validation.
Distributed as a standalone executable with no external dependencies, simplifying installation and usage in various environments.
The README notes that 'inherit-env config is disabled for ssh hosts,' restricting environment variable inheritance in remote tests.
Setting up SSH or Docker nodes requires detailed YAML configuration, which can be error-prone and time-consuming for beginners.
As a niche tool, it lacks extensive plugins or integrations compared to established testing frameworks, potentially complicating CI/CD workflows.