public void GetDaysWithNowTest() { var day = DateTime.Now; var storage = MockRepository.GenerateMock <IStorage>(); storage.Expect(s => s.GetAppointments(null)).Return( new List <Appointment> { new Appointment { Title = "first", StartTime = day.AddDays(1), EndTime = day.AddDays(1).AddHours(1) }, new Appointment { Title = "second", StartTime = day.AddDays(2), EndTime = day.AddDays(2).AddHours(1) }, }); storage.Replay(); var storageStore = new StorageStore(storage); var result = storageStore.GetDaysWithNow(); storage.VerifyAllExpectations(); }