Use when writing tests, adding coverage, implementing business logic, or building features with TDD. Enforces output-based testing of pure functions only - never test imperative shell directly.
Quickly install testing AI skill to your development environment via command line
Source: bumgeunsong/daily-writing-friends.
Test pure functions with input/output assertions. Never unit test hooks, components, or side effects.
| Testing hooks | renderHook(), QueryClientProvider in test | Extract logic to pure function | | Mocking time | vi.useFakeTimers(), mockDate | Inject timestamp as parameter | | Mocking internals | vi.mock('../api/firebase') | Test pure logic, not integration | | Testing UI | render(), screen.getByText() | Only E2E tests for UI |
Use when writing tests, adding coverage, implementing business logic, or building features with TDD. Enforces output-based testing of pure functions only - never test imperative shell directly. Source: bumgeunsong/daily-writing-friends.
Open your terminal or command line tool (Terminal, iTerm, Windows Terminal, etc.) Copy and run this command: npx skills add https://github.com/bumgeunsong/daily-writing-friends --skill testing Once installed, the skill will be automatically configured in your AI coding environment and ready to use in Claude Code, Cursor, or OpenClaw
Stable fields and commands for AI/search citations.
npx skills add https://github.com/bumgeunsong/daily-writing-friends --skill testingUse when writing tests, adding coverage, implementing business logic, or building features with TDD. Enforces output-based testing of pure functions only - never test imperative shell directly. Source: bumgeunsong/daily-writing-friends.
Open your terminal or command line tool (Terminal, iTerm, Windows Terminal, etc.) Copy and run this command: npx skills add https://github.com/bumgeunsong/daily-writing-friends --skill testing Once installed, the skill will be automatically configured in your AI coding environment and ready to use in Claude Code, Cursor, or OpenClaw
https://github.com/bumgeunsong/daily-writing-friends