import { ServiceWorkerService } from '@/services/service-worker.service';

const navigator: any = {
  serviceWorker: {
    getRegistration: vi.fn().mockReturnValue({
      addEventListener: vi.fn(),
      installing: {
        addEventListener: vi.fn(),
      },
      waiting: {},
      update: vi.fn(),
    }),
  },
};

describe('ServiceWorkerService service tests', () => {
  it('should instantiate', () => {
    expect(ServiceWorkerService.Instantiate()).toBeTruthy();
  });

  it('should get registration', () => {
    vi.spyOn(globalThis, 'navigator', 'get').mockReturnValue(navigator);
    const registration = ServiceWorkerService.Instantiate().getRegistration();
    expect(registration).toBeTruthy();
  });

  it('should not get registration', async () => {
    vi.spyOn(globalThis, 'navigator', 'get').mockReturnValue({} as any);
    const registration =
      await ServiceWorkerService.Instantiate().getRegistration();
    expect(registration).toBeFalsy();
  });
});