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ThejanaJayalath
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ai-regression-testing

Automate regression testing for AI-assisted development with Vitest and Next.js.

Updated Jan 30, 2026
Search Tags:#code quality#vitest#ai development#regression testing#api testing#sandbox
One-click install
npx skills add https://github.com/ThejanaJayalath/Niolla-PM-system --skill ai-regression-testing-thejanajayalath
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: ai-regression-testing
Source: https://github.com/ThejanaJayalath/Niolla-PM-system/tree/main/.cursor/skills/ai-regression-testing
Command: npx skills add https://github.com/ThejanaJayalath/Niolla-PM-system --skill ai-regression-testing-thejanajayalath

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This Skill addresses the systematic blind spots created when AI models write and review their own code, specifically targeting the common failure pattern where fixes are applied to production paths but forgotten in sandbox or mock environments.

Core Features & Use Cases

  • Sandbox-Mode API Testing: Provides a framework for testing API routes without database dependencies, ensuring fast and reliable feedback loops.
  • Regression Prevention: Implements a structured workflow to convert discovered bugs into permanent, automated regression tests.
  • Consistency Checks: Validates that sandbox and production code paths return identical response shapes, preventing "it works in production but not in dev" scenarios.

Quick Start

Run the ai-regression-testing skill to audit the current codebase for sandbox and production path inconsistencies.

Frequently Asked Questions about ai-regression-testing

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

FAQPage Schema
How do I prevent AI-introduced bugs in my codebase?▼

Preventing AI-introduced bugs requires automated regression testing strategies that detect logic errors across multiple code paths. This approach converts discovered bugs into permanent tests to validate API route consistency and state management.

How do I test API routes without database dependencies in Next.js?▼

You can test Next.js API routes without database dependencies using sandbox-mode testing frameworks. This method validates API response contracts and ensures fast, reliable feedback loops by isolating API logic from the database layer.

Why does my API work in production but fail in the sandbox?▼

APIs working in production but failing in the sandbox usually stem from inconsistent code paths where fixes are applied to production but forgotten in mock environments. Consistency checks validate that both paths return identical response shapes.

Does ai-regression-testing require Vitest to run automated bug checks?▼

Yes, the ai-regression-testing skill requires Vitest integration alongside Next.js to execute deterministic bug-check workflows. These frameworks provide the environment to run automated tests and verify API response contracts.

What is the best way to convert discovered bugs into permanent automated tests?▼

The best way to convert discovered bugs into permanent automated tests is through a structured regression prevention workflow. This workflow targets API route consistency and state management validation to ensure errors are caught if reintroduced.

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