Role: Testing Obsessive SKILL.md skillA

Role: Testing Obsessive from jasonwarrenuk/goblin-mode is an agent skill: a SKILL.md folder an AI agent loads when a task calls for it.

Install it, pinned
mdr add jasonwarrenuk/goblin-mode/Role: Testing Obsessive@git:20261008.c2dff9e

Pins git:20261008.c2dff9e in mdr.lock. Pin the fingerprint instead.

Audit grade
A, 17 of 17 checks passed
Kind
SKILL.md skill
Repository
jasonwarrenuk/goblin-mode
Path
skills/clod-role-testing_obsessive/SKILL.md
Versions recorded
8
Latest version
git:20261008.c2dff9e, committed Oct 8, 2026
First version recorded
Aug 12, 2026
Size
8,164 bytes
Repository stars
6
License
none declared

Pragmatic testing with Vitest: risk-based strategy, Svelte component testing, test-after development.

Collected from public GitHub. Every version is saved exactly as it was and never changes. Install it at an exact version with the mdr tool, and every file is checked before it reaches your agent. The main file is checked against the SHA-256 fingerprint recorded here, and the others against the fingerprints GitHub keeps for its source commit. The automatic checks below grade the latest version, and the same checks always give the same file the same grade.

What the file says

# Testing Foundations

Comprehensive testing guidance for JavaScript/TypeScript applications, with emphasis on Vitest, Svelte component testing and pragmatic test-after development. Addresses testing as a professional skill for code quality.

## When This Skill Applies

Use this skill when:
- Writing new tests for features or components
- Setting up testing infrastructure
- Debugging failing tests
- Discussing testing strategies or coverage goals
- Refactoring tests for better maintainability
- Questions about testing best practices
- Deciding what to test and when

## Testing Philosophy

### Why Test?

**Not for 100% coverage** - Test for:
1. **Confidence** - Deploy without fear
2. **Documentation** - Tests show how code should be used
3. **Refactoring safety** - Change implementation without breaking behaviour
4. **Regression prevention** - Bugs stay fixed
5. **Design feedback** - Hard-to-test code often signals design issues

### The Testing Pyramid
```
       /\
      /  \     E2E Tests
     /    \    (Few, slow, expensive)
    /------\
   /        \  Integration Tests
  /          \ (Some, medium speed)
 /------------\
/              \ Unit Tests
…

Read the whole file at its exact version.

How to install

The exact contents, by fingerprint
mdr add jasonwarrenuk/goblin-mode/Role: Testing Obsessive@sha256:07eb953eb9a09485

The line at the top of this page pins the label git:20261008.c2dff9e, which is what most people want. This one pins the sha256 fingerprint of the contents instead, so it survives a label being moved. Either way the exact version is written to mdr.lock, and mdr install downloads and checks those contents again, so it installs them exactly or stops with an error.

Badge

mdr badge

[![mdr](https://markdownregistry.com/badge/art_ytwnpie5zi3npva4.svg)](https://markdownregistry.com/a/art_ytwnpie5zi3npva4)

2 badge image fetches in 30 days. What the badge shows.

Versions

The registry has recorded 8 versions of this file, between Aug 12, 2026 and Oct 8, 2026, about one every 8 days.

versioncommittedcommitsizeaudit
git:20261008.c2dff9e latest2026-10-08 c2dff9e 8,164 BA view · diff
git:20260928.be913f12026-09-28 be913f1 8,092 BA view · diff
git:20260910.0097f1d2026-09-10 0097f1d 7,972 BA view · diff
git:20260814.769885b2026-08-14 769885b 7,973 BA view · diff
git:20260813.b105a8f2026-08-13 b105a8f 8,028 BA view · diff
git:20260813.199d7702026-08-13 199d770 7,942 BA view · diff
git:20260813.874484b2026-08-13 874484b 7,821 BA view · diff
git:20260812.cb14bd62026-08-12 cb14bd6 7,836 BA view

Audit of the latest version

A  17 of 17 checks passed. Fixed automatic checks with no AI involved, so the same checks give the same answer every run.
  • pass: Frontmatter block present
  • pass: Frontmatter declares a name
  • pass: Frontmatter declares a description
  • pass: Size between 200 bytes and 200 KB (8164 bytes)
  • pass: No zero-width or bidi control characters
  • pass: No instruction hidden inside an HTML comment
  • pass: No link to an exfiltration or paste host
  • pass: No credential-shaped string
  • pass: No instruction to send local credentials anywhere
  • pass: No text hidden with inline styles
  • pass: No prompt-injection phrasing
  • pass: No curl or wget piped into a shell
  • pass: No recursive delete of root, home or parent
  • pass: No instruction to read or print local credentials
  • pass: No base64 blob over 200 characters
  • pass: No link to a raw IP address
  • pass: No script tag

Source

GitHub

jasonwarrenuk/goblin-mode · 6 stars · license none declared · pushed 2026-11-06 · branch main

API

GET https://markdownregistry.com/api/v1/artifacts/art_ytwnpie5zi3npva4
GET https://markdownregistry.com/api/v1/resolve?ref=jasonwarrenuk/goblin-mode/Role: Testing Obsessive
GET https://markdownregistry.com/api/v1/blob/07eb953eb9a094857c7ca68e9e15b05ecacf2ee84bf15d67e9c12d6e6c8d7482

Your AI assistant does the legwork. You hear about the deals worth your word. Hand yours the standing instructions at modelranch.com and it joins the network that reads files like this one.

Guides: the SKILL.md format and its required fields · what to check before you install a skill · how to pin a skill to an exact version · where to find agent skills · keeping a team on the same skills · which agent file does what.

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