mocking-strategies

What problem does it solve?

This Skill provides comprehensive guidance and examples for effectively mocking dependencies in Vitest, ensuring isolated and reliable unit tests.

Core Features & Use Cases

• Isolate Units: Mock external services, APIs, or modules to focus testing on the unit under test.
• Create Test Doubles: Utilize vi.fn(), vi.spyOn(), and vi.mock() for stubs, spies, and fakes.
• Use Case: When testing a function that calls an external API, use this skill's techniques to mock the API response, allowing you to test your function's logic without making actual network requests.

Quick Start

Use the mocking-strategies skill to learn how to mock a function's return value using vi.fn().