import { ElixirPerformance } from '../Performance' import register from '../register' const Container = { singleton: jest.fn() } const ctx = { elixir: { services: () => Container } } as any describe('Performance: register', () => { it ('registers with the container', () => { register(ctx) expect(Container.singleton).toBeCalledTimes(1) expect(Container.singleton).toBeCalledWith('Performance', expect.any(ElixirPerformance)) }) })