rust-testing

Provides guidance for creating and structuring tests in Rust projects.

Updated Mar 26, 2026
One-click install
npx skills add https://github.com/cescrafli/compyrasion --skill rust-testing-cescrafli
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: rust-testing
Source: https://github.com/cescrafli/compyrasion/tree/main/skills/rust-testing
Command: npx skills add https://github.com/cescrafli/compyrasion --skill rust-testing-cescrafli

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This guide helps teams overcome the complexity of building reliable, maintainable Rust tests by consolidating unit, integration, async, property-based testing, and mocking strategies into a coherent workflow.

Core Features & Use Cases

  • Unit, integration, and async tests: guidance on structuring tests and modules for Rust codebases.
  • Property-based testing and mocking: instructions for property tests with proptest and dependency isolation with mockall.
  • Test-driven development workflow: step-by-step cycles (RED-GREEN-REFACTOR) and best practices to improve code quality and confidence.

Quick Start

Begin by writing a failing test, 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
Does Rust testing support coverage reporting and mocking together?▼

Rust testing supports combining coverage reporting with mocking by using tools like `tarpaulin` for coverage alongside `mockall` for dependency isolation, ensuring comprehensive test coverage and reliable integration tests.

How do I structure unit and integration tests in a Rust project?▼

Structure Rust tests by placing unit tests within the same file as your code in a `mod tests` block, and integration tests in a separate `tests` directory to ensure comprehensive test coverage and proper module isolation.

What is the best way to set up property-based testing in Rust?▼

Set up property-based testing in Rust using the `proptest` crate to define properties your code must satisfy across generated inputs, ensuring robust validation without writing exhaustive manual test cases.

How do I mock dependencies when testing Rust code?▼

Mock dependencies in Rust testing using the `mockall` crate to generate mock implementations of traits, allowing you to isolate components and verify interactions without relying on real external systems.

Can I apply a test-driven development workflow to async Rust tests?▼

Apply test-driven development to async Rust tests by following the RED-GREEN-REFACTOR cycle: write a failing async test, implement minimal code to pass, and refactor while keeping tests green.

Does Rust testing support coverage reporting and mocking together?▼

Rust testing supports combining coverage reporting with mocking by using tools like `tarpaulin` for coverage alongside `mockall` for dependency isolation, ensuring comprehensive test coverage and reliable integration tests.