ERT Emacs Testing

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Master the art of testing Emacs Lisp applications with the built-in ERT (Emacs Lisp Regression Testing) framework. This skill offers a deep dive into defining robust test suites, leveraging interactive debugging tools, and integrating automated tests into CI/CD pipelines. Whether you are building simple utilities or complex packages, ERT enables you to verify code behavior through expressive assertions, sophisticated test selectors, and effective mocking techniques using dynamic binding, ensuring your Emacs extensions remain stable and regression-free.

Características Principales

• 2 GitHub stars
• Implementation patterns for mocking and test isolation using dynamic binding
• Advanced assertion macros including should, should-not, and should-error
• Defining tests with ert-deftest and descriptive docstrings
• Batch mode support for automated testing and CI/CD integration
• Interactive test execution with integrated backtrace inspection and debugging

Casos de Uso

• Debugging failed tests interactively within the Emacs environment
• Automating regression testing for complex Emacs configurations
• Developing and maintaining reliable Emacs Lisp packages