Comprehensive testing strategies for JavaScript/TypeScript using Jest, Vitest, and Testing Library.
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
Time estimate: 15-45 minutes depending on use case complexity
Prerequisites
Submit your Claude Code skill and start earning
epx add wshobson/agents --skill javascript-testing-patternsCompatible with
Supported agents
Covers unit testing, integration testing, and component testing with patterns for pure functions, classes, async code, and React hooks
Includes mocking strategies: module mocking, dependency injection, and spying on functions for isolated test execution
Provides API and database integration test examples with real request/response handling and transaction cleanup
Supports snapshot t
AI-first code editor with Composer
Before installing skills in Cursor, ensure your development environment meets these requirements:
node --versionjavascript-testing-patternsExecute the skills CLI command in your project's root directory to begin installation:
epx add wshobson/agents --skill javascript-testing-patternsFetches javascript-testing-patterns from wshobson/agents 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:
.cursor/skills/javascript-testing-patterns
Restart Cursor to activate javascript-testing-patterns. Access via /javascript-testing-patternsin your agent's command palette.
Learn more:View source on GitHubSkills CLI docsAbout CursorWhat are agent skills?
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.
python-testing-patterns
wshobson/agents · Backend · same repo
architecture-patterns
wshobson/agents · Productivity · same repo
git-advanced-workflows
wshobson/agents · Productivity · same repo
golang-testing
samber/cc-skills-golang · Backend · tag: testing
spring-boot-testing
github/awesome-copilot · Testing · tag: testing
drizzle-orm-patterns
giuseppe-trisciuoglio/developer-kit · Productivity · tag: patterns
Useful defaults in javascript-testing-patterns — fewer surprises than typical one-off scripts, and it plays nicely with `npx skills` flows.
I recommend javascript-testing-patterns for anyone iterating fast on agent tooling; clear intent and a small, reviewable surface area.
Solid pick for teams standardizing on skills: javascript-testing-patterns is focused, and the summary matches what you get after install.
javascript-testing-patterns is among the better-maintained entries we tried; worth keeping pinned for repeat workflows.
I recommend javascript-testing-patterns for anyone iterating fast on agent tooling; clear intent and a small, reviewable surface area.
javascript-testing-patterns reduced setup friction for our internal harness; good balance of opinion and flexibility.
javascript-testing-patterns reduced setup friction for our internal harness; good balance of opinion and flexibility.
I recommend javascript-testing-patterns for anyone iterating fast on agent tooling; clear intent and a small, reviewable surface area.
We added javascript-testing-patterns from the explainx registry; install was straightforward and the SKILL.md answered most questions upfront.
Useful defaults in javascript-testing-patterns — fewer surprises than typical one-off scripts, and it plays nicely with `npx skills` flows.
showing 1-10 of 30