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drhayf
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high-fidelity-testing

Execute integration tests against real PostgreSQL, Redis, and external APIs without mocks.

Updated Aug 23, 2026
Search Tags:#testing#postgresql#integration#redis#no-mocks#production-like
One-click install
npx skills add https://github.com/drhayf/GUTTERS --skill high-fidelity-testing
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: high-fidelity-testing
Source: https://github.com/drhayf/GUTTERS/tree/main/.agent/skills/high-fidelity-testing
Command: npx skills add https://github.com/drhayf/GUTTERS --skill high-fidelity-testing

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

High-Fidelity Testing standards in GUTTERS ensure that the actual system logic is verified against real hardware (PostgreSQL, Redis) and external APIs, without mocks, to deliver production-grade reliability.

Core Features & Use Cases

  • NO Mocks for Core Logic: Tests must use real class instances for modules under test.
  • Real Infrastructure: Validate against actual PostgreSQL (Supabase) and Redis from the environment.
  • No Persistence Mocks: Confirm data persists in DB/cache after operations.
  • Full Lifecycle Mastery: Respect async lifecycles and singleton resets between tests.
  • UTC-Aware Datetimes: Use timezone-aware datetimes; avoid naive comparisons.
  • Session Isolation: Tests must accept and reuse a provided db session rather than creating their own.

Quick Start

Run the high-fidelity test suite against your staging environment with real infrastructure to confirm production parity.

Frequently Asked Questions about high-fidelity-testing

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

FAQPage Schema
How do I run integration tests against real PostgreSQL and Redis without mocks?▼

Run integration tests against real PostgreSQL and Redis by using real class instances and environment configurations. This validates actual system logic and data persistence without mocking core infrastructure components.

Why should I use real infrastructure instead of mocks for integration testing?▼

Using real infrastructure instead of mocks ensures production-grade reliability by verifying actual system behavior against real hardware and external APIs, confirming data persists in the database and cache after operations.

How do I manage database session isolation when testing with real PostgreSQL?▼

Manage database session isolation by mandating that tests accept and reuse a provided database session rather than creating their own, ensuring proper test boundaries and data isolation across backend modules.

Do I need to reset async lifecycles between integration tests using real Redis?▼

Yes, you must respect async lifecycles and perform singleton resets between tests when using real Redis. This maintains test isolation and prevents state leakage across service integration tests.

What are the limitations of high-fidelity integration testing with real infrastructure?▼

High-fidelity integration testing requires access to real staging environments with active PostgreSQL, Redis, and external APIs, meaning tests cannot run fully offline and depend on external service availability.

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