Why is condition-based waiting better than using sleep or setTimeout?

Fixed delays guess how long a process takes, leading to race conditions on slow machines or wasted time on fast ones. Condition polling waits for the exact moment the state changes.

How does this skill improve CI/CD pipeline performance?

It reduces total execution time by moving to the next test step as soon as a condition is met and prevents 'flaky' failures that trigger unnecessary re-runs.

Can I use this for testing debounce or throttle behavior?

No. When testing specific timing logic like debouncing, an arbitrary timeout is appropriate but should be clearly documented to explain the duration choice.

What happens if the condition is never met?

The implementation includes a configurable timeout (defaulting to 5000ms) that throws a descriptive error, preventing your test suite from hanging indefinitely.

Does polling consume significant CPU resources?

The core pattern uses a 10ms polling interval, which balances high responsiveness with low CPU overhead, making it safe for large-scale test suites.

Condition-Based Waiting

Name: Condition-Based Waiting
Author: carlopezzuto

bycarlopezzuto

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Seguridad y Pruebas

Eliminates flaky tests by replacing arbitrary delays with intelligent condition polling for asynchronous state changes.

This skill provides Claude with a robust framework for improving test stability by replacing unreliable setTimeout and sleep calls with a sophisticated polling mechanism. It enables developers to wait for specific application states, events, or data changes rather than guessing execution times, effectively eliminating race conditions. By implementing standardized 'waitFor' patterns, this skill helps create test suites that are faster, more reliable across different environments (local vs. CI), and easier to debug through clear timeout error reporting.

Características Principales

01Built-in timeout management to prevent infinite loops during test failure

020 GitHub stars

03Optimized polling intervals to maintain high performance and low CPU usage

04Intelligent condition polling to replace arbitrary timeouts

05Domain-specific helpers for events, state changes, and file system checks

06Standardized patterns for documenting unavoidable timing-based tests

Casos de Uso

01Synchronizing test assertions with asynchronous background processes or event-driven architectures

02Accelerating test suite execution by eliminating unnecessary fixed sleep durations

03Fixing flaky end-to-end or integration tests that fail inconsistently under high CI load

What are Skills?·How to Install

Install with 🐟 Skill.Fish

npx skillfish add carlopezzuto/agents condition-based-waiting

For use in Claude.ai and ChatGPT

Download Skill