Angular Testing

Version: Angular 21 (2025) Tags: Testing, Jasmine, Karma, Vitest, Cypress, Jest

References: Testing Guide • Testing API • Angular Blog

API Changes

This section documents recent version-specific API changes.

• NEW: Vitest as default — Angular 21+ uses Vitest instead of Jasmine/Karma source

• NEW: Template coverage — Coverage reports now include HTML templates source

• NEW: Component input testing — Test component inputs directly with Component输入

• NEW: Functional interceptors for testing — Easier to test HTTP interceptors