• Fast — dependency-aware ordering, runs only what changed
• Optimized for AI coding agents — tight feedback loops matter

pip install rut

Core Features

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3 Characters

The fastest test command you'll ever type. Just rut.

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Async Support

Built-in support for async test methods. No plugins needed.

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Keyword Filtering

Filter tests by name patterns. Run exactly what you need.

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Coverage

Code coverage support without extra configuration.

What makes rut different

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Dependency Ordering

Topological test ordering by import graph. Tests for broken modules fail first.

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Incremental Testing

Only run tests affected by your changes. Skip the rest.