Agent skill

test-optimization

Advanced test optimization with cargo-nextest, property testing, and performance benchmarking. Use when optimizing test execution speed, implementing property-based tests, or analyzing test performance.

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Install this agent skill to your Project

npx add-skill https://github.com/majiayu000/claude-skill-registry/tree/main/skills/data/test-optimization

SKILL.md

Test Optimization

Advanced test optimization with cargo-nextest, property testing, and benchmarking.

cargo-nextest Integration

bash
# Install
cargo install cargo-nextest --locked

# Run all tests
cargo nextest run

# CI profile (with retries)
cargo nextest run --profile ci

Configuration (.config/nextest.toml)

toml
[profile.default]
slow-timeout = { period = "30s", terminate-after = 3 }

[profile.ci]
retries = 2
fail-fast = false
test-threads = 4

Property-Based Testing (proptest)

rust
proptest! {
    #[test]
    fn test_episode_id_uniqueness(
        tasks in prop::collection::vec(any::<String>(), 1..100)
    ) {
        let rt = tokio::runtime::Runtime::new().unwrap();
        rt.block_on(async {
            let memory = setup_memory().await;
            let mut ids = HashSet::new();
            for desc in tasks {
                let id = memory.start_episode(desc, ctx, type_).await;
                prop_assert!(ids.insert(id));
            }
        });
    }
}

Performance Targets

Operation Target Actual
Episode Creation < 50ms ~2.5 µs
Step Logging < 20ms ~1.1 µs
Pattern Extraction < 1000ms ~10.4 µs
Memory Retrieval < 100ms ~721 µs

Best Practices

  • Use nextest profiles for dev/CI separation
  • Implement property tests for edge cases
  • Monitor test duration
  • Track coverage trends

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