rust-testing

Write async tests in Rust by applying Tokio runtime patterns to execute and assert asynchronous code behavior reliably. The Skill provides practical guidance for structuring asynchronous tests with Tokio to prevent race conditions and ensure maintainable test suites.

Enforce Rust test coverage thresholds in CI by generating reports with cargo-llvm-cov to gate merges on minimum coverage. The Skill outlines CI-friendly patterns and coverage measurement strategies to satisfy developer requirements for continuous integration enforcement.

The best way to mock traits in Rust tests is using trait-based mocking strategies with the mockall crate. The Skill details practical patterns for configuring mockall expectations to isolate modules and simulate external dependencies safely.

Apply TDD workflows in Rust by following the RED-GREEN-REFACTOR cycle to write failing tests first, implement minimal code, and iterate safely. The Skill consolidates TDD best practices to streamline unit, integration, and complex test scenarios while reducing regressions.

Yes, you can run property-based testing in Rust using proptest to validate code against a wide range of generated inputs. The Skill provides property-based testing strategies to automatically discover edge cases that traditional unit tests might miss.

Benchmark Rust code with Criterion to measure and track performance regressions across code changes in CI. The Skill covers benchmarking patterns alongside doctests and test organization to ensure comprehensive performance and functional validation.