class MockView extends Mock implements ContactListViewContract {

  @override
  void onLoadContactsComplete(List<Contact> items) {

  }
  @override
  void onLoadContactsError() {}

}

void main() {

  test('ContactListPresenter test', () {
    Injector.configure(Flavor.MOCK);
    MockView view = new MockView();

    ContactListPresenter presenter = new ContactListPresenter(view);

    presenter.loadContacts();

    verify(view.onLoadContactsComplete).called(1);

  });

}