Why does the skill discourage testing private functions?

It follows behavior-driven testing principles, focusing on the public interface to ensure tests don't break during internal implementation refactors.

What are the rules for using mocks in Rust with this skill?

The skill mandates minimal mocking. It prohibits mocking internal functions or utilities, and restricts mock usage to external factors like APIs, databases, and file systems.

Does this skill help with integration testing?

Yes, while it prioritizes unit testing (70-80% of the pyramid), it provides specific directory structures and guidelines for integration tests in the /tests folder.

How does this skill handle parameterized tests?

It provides a standardized code pattern using vectors of cases and loops to test multiple inputs and outputs within a single test function for better maintainability.

Rust Testing Best Practices

Name: Rust Testing Best Practices
Author: DIO0550

byDIO0550

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安全与测试

Enforces standardized unit testing patterns and implementation rules for robust Rust applications.

This skill provides a comprehensive framework for implementing unit tests in Rust, focusing on behavior-driven testing, minimal mocking, and clear directory structures. It guides Claude to write high-quality tests covering happy paths, error cases, and boundary values while adhering to a strict test pyramid ratio. By standardizing parameterized tests and defining clear boundaries for mocks, this skill ensures that Rust codebases remain maintainable, reliable, and consistent across different modules and integration points.

主要功能

01Comprehensive coverage rules for normal, error, and boundary test cases

02Strict guidelines for minimal and appropriate use of mocks and stubs

03Standardized patterns for parameterized testing and behavior verification

04Predefined test pyramid ratios to balance unit, integration, and E2E tests

05Clear directory structure conventions for internal and external test modules

061 GitHub stars

使用场景

01Implementing complex logic verification using structured parameterized test cases

02Establishing a consistent testing strategy for new or existing Rust projects

03Refactoring Rust modules while ensuring behavior remains intact through standardized unit tests

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add dio0550/d-market testing

For use in Claude.ai and ChatGPT

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