About

Imported from ReaperOAK/ForgeOS (plugin/forgeos/skills/testing/SKILL.md). Install upstream with npx skills add ReaperOAK/ForgeOS --skill testing. Copyright stays with the author.

Overview

Testing best practices including unit testing, integration testing, E2E testing with Playwright, and test writing guidelines for TypeScript.

Testing Best Practices

Name: testing
Author: ReaperOAK

When to Use

Writing unit tests for new code
Creating integration tests for APIs
Setting up E2E tests with Playwright
Following TDD red-green-refactor cycle

Test Types

Unit Tests — Test individual functions/methods in isolation
Integration Tests — Test component interactions and API endpoints
E2E Tests — Test complete user flows with Playwright
Mutation Tests — Verify test quality by introducing mutations

Key Practices

Arrange-Act-Assert pattern
Test edge cases and error scenarios
Mock external dependencies
Descriptive test names: should [expected behavior] when [condition]

Resources

See the ../qa/references/ directory for:

QA Best Practices and Strategy Guide (chunks 1-4)
QA Agent reference (chunks 1-2)
Playwright testing guide
Test writing guidelines

Rules

Follow the conventions defined in this skill
Apply these patterns consistently across all relevant code

Use it

Copy one of these into your project. Installing also returns the manifest and these snippets.

yaml

targets:
  - https://api.opensmartroute.ai/api/v1/registry/reaperoak-forgeos-testing/manifest   # or paste the manifest below

Manifest

An Open Capability Manifest: the router reads it to know what this does, what it costs and when to pick it.

reaperoak-forgeos-testing.ocm.jsonjson

{
  "ocm": "1",
  "id": "reaperoak-forgeos-testing",
  "kind": "skill",
  "name": "testing",
  "description": "Testing best practices including unit testing, integration testing, E2E testing with Playwright, and test writing guidelines for TypeScript.",
  "publisher": "ReaperOAK",
  "version": "1.0.0",
  "capabilities": {
    "domains": [
      "coding"
    ],
    "tags": [
      "skill-md",
      "testing",
      "playwright",
      "unit-test",
      "integration",
      "e2e",
      "github"
    ],
    "languages": [
      "en"
    ]
  },
  "quality_prior": 0.6,
  "examples": [
    "Testing best practices including unit testing, integration testing, E2E testing with Playwright, and test writing guidelines for TypeScript."
  ],
  "primary": false,
  "metadata": {
    "source": {
      "provider": "github",
      "repository": "https://github.com/ReaperOAK/ForgeOS",
      "path": "plugin/forgeos/skills/testing/SKILL.md",
      "ref": "419c876714000b1f719ff722c0fee576421b4d0a",
      "url": "https://github.com/ReaperOAK/ForgeOS/blob/419c876714000b1f719ff722c0fee576421b4d0a/plugin/forgeos/skills/testing/SKILL.md",
      "key": "ReaperOAK/ForgeOS/plugin/forgeos/skills/testing/SKILL.md"
    }
  },
  "instructions": "## Overview\n\nTesting best practices including unit testing, integration testing, E2E testing with Playwright, and test writing guidelines for TypeScript.\n\n\n# Testing Best Practices\n\n## When to Use\n- Writing unit tests for new code\n- Creating integration tests for APIs\n- Setting up E2E tests with Playwright\n- Following TDD red-green-refactor cycle\n\n## Test Types\n1. **Unit Tests** — Test individual functions/methods in isolation\n2. **Integration Tests** — Test component interactions and API endpoints\n3. **E2E Tests** — Test complete user flows with Playwright\n4. **Mutation Tests** — Verify test ",
  "cost": {
    "context_tokens": 283
  }
}

Fetch it by URL: GET /api/v1/registry/reaperoak-forgeos-testing/manifest?version=1.0.0

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