defense-in-depth

Name: defense-in-depth
Availability: InStock
Author: Ariff

Run four-layer validation pipelines across linting, tests, and end-to-end checks.

14|1|Updated Dec 21, 2025

Search Tags:#validation #quality #lint #layers #tests

Ready to run

npx skills add https://github.com/a-ariff/ariff-claude-plugins --skill defense-in-depth-a-ariff

💬 Prompt for ChatGPT / Claude Chat▼

Please help me install this Agent Skill.
Skill: defense-in-depth
Source: https://github.com/a-ariff/ariff-claude-plugins/tree/main/plugins/defense-in-depth/skills/defense-in-depth
Command: npx skills add https://github.com/a-ariff/ariff-claude-plugins --skill defense-in-depth-a-ariff

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

Multi-layer validation to catch bugs before they escape.

Core Features & Use Cases

Four validation layers: Type/Syntax, Unit Tests, Integration Tests, End-to-End
The pipeline workflow with recovery procedures
Integration with checker agents

Quick Start

Run the four-layer validation pipeline before claiming done.

Frequently Asked Questions about defense-in-depth

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

FAQPage Schema

How do I set up multi-layer validation to prevent bugs in production?▼

Multi-layer validation catches bugs across four sequential stages: type checking and linting, unit tests, integration tests, and end-to-end checks. Run each layer before deployment to enforce code quality across static analysis, unit coverage, integration workflows, and full system verification.

What's the difference between unit tests, integration tests, and end-to-end tests?▼

Unit tests validate individual components in isolation. Integration tests verify interactions between modules. End-to-end tests confirm the entire workflow functions correctly. A four-layer pipeline applies all three sequentially to catch bugs at different abstraction levels.

Can I automate validation checks across linting, type checking, and test suites?▼

Yes. A multi-layer validation pipeline automates type checking, linting, unit tests, integration tests, and end-to-end checks as a single workflow. Each layer runs in sequence with recovery procedures, preventing code changes and bug fixes from reaching production without passing all checks.

When should I use end-to-end testing in addition to unit and integration tests?▼

End-to-end testing validates complete user workflows and system behavior under real conditions. Use it after unit and integration tests pass to confirm the entire application functions as intended before production deployment.

What happens if code fails validation at one of the four layers?▼

Each layer in the pipeline includes recovery procedures to handle failures. When code fails validation—whether in type checking, unit tests, integration tests, or end-to-end checks—recovery steps guide remediation before the next deployment attempt.

How do I integrate multi-layer validation with my development workflow?▼

Run the four-layer validation pipeline before marking work complete. Apply it consistently across code changes, bug fixes, and feature work to ensure every modification passes linting, type checking, unit tests, integration tests, and end-to-end verification.