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rust-testing

Guide Rust developers in writing tests and adopting a TDD workflow.

Updated Apr 13, 2026
Search Tags:#testing#tdd#rust#mocking#unit-tests#integration-tests#property-based-testing
One-click install
npx skills add https://github.com/sakamoto-family-smile/agent_monorepo --skill rust-testing-sakamoto-family-smile
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: rust-testing
Source: https://github.com/sakamoto-family-smile/agent_monorepo/tree/main/.claude/skills/ecc/rust-testing
Command: npx skills add https://github.com/sakamoto-family-smile/agent_monorepo --skill rust-testing-sakamoto-family-smile

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Rust testing guide helps developers implement robust tests and adopt a clear TDD workflow across Rust projects, covering unit, integration, async, property-based testing, and mocking to improve reliability and maintainability.

Core Features & Use Cases

  • Comprehensive Testing Patterns: cover unit tests, integration tests, async testing, and property-based testing with proptest.
  • Mocking and Isolation: guidance on using mockall and test doubles to isolate components during tests.
  • Test Coverage and CI: strategies for measuring coverage and automating tests in CI pipelines.
  • Use Case: when adding new features to a Rust crate, follow these patterns to write fast, deterministic tests from the start.

Quick Start

Begin by writing a failing test, then implement the minimal code to pass, and refactor while keeping tests green.

Frequently Asked Questions about rust-testing

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I write async tests in Rust?▼

Writing async tests in Rust requires specific patterns to handle futures correctly. This guide provides templates and tooling guidance for async testing, ensuring your asynchronous Rust code is fully validated and deterministic.

What is the best way to isolate components when unit testing Rust crates?▼

The best way to isolate components during Rust unit testing is by using mocking and test doubles. This guide covers mockall integration, allowing you to isolate modules and write fast, deterministic tests for your crate.

How do I start with property-based testing in Rust?▼

Property-based testing in Rust uses frameworks like proptest to validate code against generated inputs. This guide demonstrates how to implement property-based tests, ensuring broader edge-case coverage and reliability.

How do I measure and optimize test coverage for Rust in CI pipelines?▼

Measuring Rust test coverage involves integrating coverage tools and automating cargo test in your CI pipeline. This guide provides strategies for measuring coverage and automating tests to optimize reliability.

Does TDD workflow apply when adding new features to a Rust project?▼

TDD workflow strongly applies to adding new Rust features by starting with a failing #[test], implementing minimal code to pass, and refactoring. This approach ensures fast, deterministic tests are built from the start.

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