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Luqman-Ud-Din
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qa-test-states

Detect missing empty-state and error-state UI in web applications.

Updated May 22, 2026
Search Tags:#frontend#browser automation#ui validation#qa testing#empty state#error state
One-click install
npx skills add https://github.com/Luqman-Ud-Din/blackbox-qa-agent --skill qa-test-states
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: qa-test-states
Source: https://github.com/Luqman-Ud-Din/blackbox-qa-agent/tree/main/skills/qa-test-states
Command: npx skills add https://github.com/Luqman-Ud-Din/blackbox-qa-agent --skill qa-test-states

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill checks whether interfaces properly handle empty results and API failures, preventing silent failures that leave users without feedback.

Core Features & Use Cases

  • Empty-state testing: Searches for a no-match condition and verifies that the app shows a clear empty-state message or equivalent UI.
  • Error-state testing: Forces API requests to fail with a 500 response and checks that the app displays an error message or retry option.
  • Use case: A product team can validate that list pages, filters, and data-driven screens remain understandable when no data is found or backend requests break.

Quick Start

Ask the agent to run the QA test states skill on the current page to verify empty-state and error-state handling.

Frequently Asked Questions about qa-test-states

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

FAQPage Schema
How do I test empty-state and error-state UI in web applications?▼

To test empty-state and error-state UI, browser-side probing triggers no-match search conditions and intercepts API failures. This verifies frontend screens display correct feedback messages when data is missing or backend requests return 500 errors.

What is empty-state UI testing and why does it matter for frontend validation?▼

Empty-state UI testing checks whether interfaces show clear messages when searches return no results. It prevents silent failures in data-driven screens, ensuring users receive feedback instead of blank pages when no data is found.

Can I automate error-state testing by forcing API failures on viewport-sensitive screens?▼

Yes, error-state testing forces API requests to fail with a 500 response and verifies the app displays an error message or retry option. This validates interactive, viewport-sensitive frontend screens handle backend failures properly.

How do I verify that list pages and filters handle data loading failures correctly?▼

Verify list pages and filters by running QA test states on the current page to check empty-state and error-state handling. This requires a real reload through intercepted API failures to validate user-facing feedback.

What happens when frontend search and filter flows encounter backend 500 errors?▼

When search and filter flows encounter backend 500 errors, frontend screens should display error messages or retry options. Without proper error-state testing, these failures remain silent and leave users without feedback.

Does this QA testing approach work with browser automation for UI validation?▼

Yes, this approach works with browser automation by applying browser-side probing to interactive frontend screens. It validates viewport-sensitive data-loading flows, search, and filter screens by triggering empty conditions and API failures.

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