Can I test code that depends on time without waiting for real clock time?

Yes, this skill provides patterns for using tokio::time::pause() and advance(), allowing you to simulate hours of elapsed time instantly and deterministically.

How do I test if an async function panics?

Use the #[should_panic] attribute alongside #[tokio::test] to assert that an asynchronous operation triggers a panic with a specific expected message.

How do I handle database cleanup in async Rust tests?

The skill includes a 'TestContext' fixture pattern that implements an async cleanup method, ensuring resources like database records are purged after each test run.

How do I run multi-threaded async tests in Rust?

You can use the attribute #[tokio::test(flavor = "multi_thread", worker_threads = 2)] to enable a multi-threaded runtime specifically for a test case.

What is the best way to test communications between async tasks?

It demonstrates patterns for spawning producer tasks and using tokio::sync::mpsc channels to collect and verify results in your main test body.

Rust Async Testing (Tokio)

Name: Rust Async Testing (Tokio)
Author: gar-ai

bygar-ai

•

보안 및 테스팅

Implements robust asynchronous testing patterns in Rust using the Tokio runtime and multi-threaded configurations.

This skill provides a comprehensive suite of patterns for testing asynchronous Rust code specifically tailored for the Tokio ecosystem. It guides the implementation of various testing scenarios, from basic async functions to complex concurrent operations requiring multi-threaded runtimes. By utilizing this skill, developers can easily set up test fixtures, manage channel-based communication testing, and use advanced features like mock time for deterministic testing of time-sensitive logic, ensuring that high-performance Rust applications are both stable and reliable.

주요 기능

01Implements asynchronous test fixtures for setup and teardown logic

02Facilitates testing of MPSC channels and spawned background tasks

03Provides deterministic time-testing patterns using tokio::time::pause

04Includes patterns for testing async error cases and panic conditions

051 GitHub stars

06Standardizes #[tokio::test] usage for basic and multi-threaded runtimes

사용 사례

01Simulating network timeouts and long-running operations deterministically

02Validating concurrent logic in high-performance Rust backend services

03Writing integration tests for database-backed asynchronous applications

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add gar-ai/mallorn rust-testing-async-testing

For use in Claude.ai and ChatGPT

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