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