condition-based-waiting

Replace arbitrary timeouts with polling for actual state changes in automated tests.

3|2|Updated Dec 28, 2025
One-click install
npx skills add https://github.com/Crumbgrabber/llm_system_template_agents_skills_patterns_tools_prompts --skill condition-based-waiting-crumbgrabber
Or copy as Structured Prompt for Agent
Please help me install this Agent Skill.
Skill: condition-based-waiting
Source: https://github.com/Crumbgrabber/llm_system_template_agents_skills_patterns_tools_prompts/tree/main/skills/condition-based-waiting
Command: npx skills add https://github.com/Crumbgrabber/llm_system_template_agents_skills_patterns_tools_prompts --skill condition-based-waiting-crumbgrabber

SYSTEM DOCUMENTATION & REQUIREMENTS

💡 This Skill includes references (resource) components.

What problem does it solve?

This Skill addresses the issue of flaky tests caused by arbitrary timeouts and race conditions, replacing them with intelligent polling for actual state changes.

Core Features & Use Cases

  • Condition Polling: Replaces fixed setTimeout or sleep calls with checks for specific conditions.
  • Flaky Test Resolution: Significantly reduces test failures due to timing inconsistencies.
  • Use Case: In an asynchronous web application test, instead of waiting a fixed 5 seconds for a UI element to appear, this skill will repeatedly check if the element is present and only proceed once it is, ensuring reliability.

Quick Start

Use the condition-based-waiting skill to wait until the user object is defined before proceeding.

Frequently Asked Questions about condition-based-waiting

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I fix flaky tests caused by race conditions and arbitrary timeouts?

Flaky tests caused by race conditions can be fixed by replacing arbitrary timeouts with condition-based waiting. This approach polls for actual state changes, proceeding only when specific conditions are met to ensure reliable test execution.

What is the best way to wait for asynchronous UI elements to appear in automated testing?

The best way to wait for asynchronous UI elements is condition polling. Instead of fixed sleep calls, it repeatedly checks if the element is present and proceeds only once the condition is met, eliminating timing inconsistencies.

How do I implement polling for state transitions instead of using fixed sleep calls?

Implement polling for state transitions by configuring a polling mechanism with specific intervals and timeouts. This replaces fixed sleep calls by repeatedly checking for actual state changes until the condition is satisfied or the timeout is reached.

Can I configure polling intervals and timeouts for my automated testing environment?

Yes, condition-based waiting requires a polling mechanism with configurable intervals and timeouts. This allows you to tailor the state change checks to your specific asynchronous operations and automated testing environment requirements.

Why does my test fail intermittently when waiting for an asynchronous operation to complete?

Tests fail intermittently because arbitrary timeouts cause race conditions if the asynchronous operation takes longer than expected. Condition-based waiting resolves this by polling for the actual completion state instead of guessing a fixed duration.

When should I avoid using condition-based waiting in my test suite?

You should avoid condition-based waiting if your operations are strictly synchronous or if the maximum execution time is absolutely deterministic. It is specifically designed for asynchronous operations, UI element visibility, and state transitions where timing is unpredictable.