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test-component

Test React or Vue components in isolation with mocked network boundaries.

4|Updated Mar 21, 2026
Search Tags:#vitest#hooks#testing-library#msw#rtl#component-testing#user-event
One-click install
npx skills add https://github.com/leocosta/octopus --skill test-component-leocosta
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: test-component
Source: https://github.com/leocosta/octopus/tree/main/skills/test-component
Command: npx skills add https://github.com/leocosta/octopus --skill test-component-leocosta

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve?

This skill enables reliable component-level UI testing by rendering isolated components, simulating user interactions with user-event, and validating outcomes without requiring a full application environment.

Core Features & Use Cases

  • Isolated component validation: verify rendering, accessibility semantics, and interaction handling for individual components.
  • Hook and form testing: test custom hooks and form components in isolation with renderHook and mocked inputs.
  • Network-boundary testing: mock API calls using MSW to exercise data paths without a real backend.

Quick Start

Create a minimal test that renders a component and asserts expected user interactions.

Frequently Asked Questions about test-component

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I test React components in isolation using Vitest and Testing Library?▼

You can test React components in isolation by rendering individual UI elements, simulating user interactions via user-event, and asserting outcomes without a full application environment using Vitest and Testing Library.

Does component testing with RTL work for testing custom hooks and forms?▼

Yes, component testing with RTL supports hook and form testing. You can test custom hooks and form components in isolation using the renderHook utility along with mocked inputs to validate their behavior.

How do I mock API calls during component testing without a real backend?▼

You mock API calls during component testing by utilizing MSW to mock the network boundary. This allows you to exercise data paths and validate component behavior without requiring a real backend server.

What dependencies do I need to simulate user interactions in component tests?▼

To simulate user interactions in component tests, you need @testing-library/react or @testing-library/vue for rendering, @testing-library/user-event for interaction simulation, and MSW for network mocking.

Can I use this component testing approach for Vue components as well as React?▼

Yes, this component testing approach applies to both React and Vue components. It requires @testing-library/react and/or @testing-library/vue to render UI and validate accessibility semantics or interaction handling.

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