Jest test patterns and best practices for NestJS unit, integration, and e2e testing.
Works with
Covers the testing pyramid: unit tests for pure logic, integration tests with real providers using Test.createTestingModule , and e2e tests with supertest for HTTP APIs
Provides patterns for mocking external services with jest.fn and test doubles, plus in-memory database adapters and test containers for data layer testing
Emphasizes deterministic tests with proper mock reset between runs, avoiding sh
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AI-first code editor with Composer
Before installing skills in Cursor, ensure your development environment meets these requirements:
node --versionnestjs-testing-expertExecute the skills CLI command in your project's root directory to begin installation:
Fetches nestjs-testing-expert from shipshitdev/library and configures it for Cursor.
The CLI shows a list of agents. Use arrow keys and space to select Cursor:
Confirm successful installation by checking the skill directory location:
Restart Cursor to activate nestjs-testing-expert. Access via /nestjs-testing-expert in your agent's command palette.
We perform automated surface-level scans (Gen AI Scanner, Socket, Snyk) during installation. These checks detect common vulnerabilities but do not guarantee complete security. Always review skill source code and verify the publisher's reputation before production use.
Skills execute code in your environment. Always review source, verify the publisher, and test in isolation before production.
Submit your Claude Code skill and start earning
Automate repetitive workflows and reduce manual effort
Example
Generate reports, summarize documents, draft communications
Save 3-5 hours per week on routine tasks
Learn new skills, understand complex topics, get expert guidance
Example
Explain concepts, provide examples, suggest learning resources
Accelerate learning and skill development by 2x
Enhance output quality through reviews, suggestions, and refinements
Example
Review drafts, suggest improvements, catch errors
Improve work quality by 30-40% with less effort
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Run in your terminal
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Prerequisites
Time Estimate
15-45 minutes depending on use case complexity
Steps
Common Pitfalls
✓ Do
✗ Don't
💡 Pro Tips
✓ Use when
Use when skill capabilities match your task, clear ROI on time saved, and you can validate outputs. Best for repetitive tasks, learning, and quality improvement.
✗ Avoid when
Avoid when task requires deep expertise you can't validate, involves sensitive decisions, or when learning process is more valuable than speed of completion.
jeffallan/claude-skills
shipshitdev/library
sickn33/antigravity-awesome-skills
erichowens/some_claude_skills
kadajett/agent-nestjs-skills
erichowens/some_claude_skills
I recommend nestjs-testing-expert for anyone iterating fast on agent tooling; clear intent and a small, reviewable surface area.
nestjs-testing-expert has been reliable in day-to-day use. Documentation quality is above average for community skills.
nestjs-testing-expert reduced setup friction for our internal harness; good balance of opinion and flexibility.
Registry listing for nestjs-testing-expert matched our evaluation — installs cleanly and behaves as described in the markdown.
We added nestjs-testing-expert from the explainx registry; install was straightforward and the SKILL.md answered most questions upfront.
Keeps context tight: nestjs-testing-expert is the kind of skill you can hand to a new teammate without a long onboarding doc.
nestjs-testing-expert is among the better-maintained entries we tried; worth keeping pinned for repeat workflows.
nestjs-testing-expert fits our agent workflows well — practical, well scoped, and easy to wire into existing repos.
Solid pick for teams standardizing on skills: nestjs-testing-expert is focused, and the summary matches what you get after install.
We added nestjs-testing-expert from the explainx registry; install was straightforward and the SKILL.md answered most questions upfront.
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