Summary
This is a comprehensive unit testing setup for TypeScript and NestJS projects that goes beyond basic Jest configuration. It enforces the AAA pattern religiously, uses @golevelup/ts-jest for type-safe mocking with DeepMocked, and includes workflows for everything from initial setup to debugging flaky tests. The workflow-driven approach is smart: it makes you pick whether you're writing, reviewing, debugging, or optimizing before you start, which prevents the usual test maintenance chaos. Notably opinionated about redirecting test output to temp files to avoid bloating agent context, and it covers the full NestJS stack including guards, interceptors, Kafka microservices, and in-memory databases for repository testing. If you're serious about maintainable unit tests in a NestJS codebase, this gives you patterns and guardrails that actually stick.
Install to Claude Code
npx -y skills add bmad-labs/skills --skill typescript-unit-testing --agent claude-codeInstalls into .claude/skills of the current project.
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Files
SKILL.md
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Featured
On Capafy, your Skill runs online 24/7 as an agent product, and you get paid every time someone uses it.
Start earning →An agent that runs the SEO playbooks that move rankings and ships PRs you control.
Get founding access →Connect Claude to +800M contacts, +150M companies. Find & Enrich leads in chat.
Try For Free →Agent, run crypto. Access onchain data & trade routes via 1inch.
Install now →
