Agent skill
vitest-testing
Project-specific testing patterns using Vitest with Angular TestBed. Activates when writing tests, discussing test setup, creating spec files, mocking dependencies, or running tests.
Install this agent skill to your Project
npx add-skill https://github.com/majiayu000/claude-skill-registry/tree/main/skills/other/other/vitest-testing-danielsogl-copilot-workflow-dem
SKILL.md
Vitest Testing (Project-Specific)
For complete testing patterns, read .github/instructions/angular-testing.instructions.md.
For NgRx store testing, read .github/instructions/ngrx-signals-testing.instructions.md.
Quick Reference
npm test # Run all unit tests
npm test -- --watch # Watch mode
Mandatory Rules
provideZonelessChangeDetection()in every test setup- Vitest globals pre-configured — never import
describe,it,expect,vi - Signal inputs set via
componentRef.setInput('name', value) - AAA pattern — Arrange, Act, Assert
- No
any— properly type all mocks
Reference Tests
- Component:
src/app/features/tasks/ui/task-card/task-card.spec.ts - Service:
src/app/features/tasks/data/infrastructure/task-api.spec.ts - Store:
src/app/features/tasks/data/state/task-store.spec.ts
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