def test_rentBikeOnWeeklyBasis_for_valid_positive_number_of_bikes(self):
     shop = BikeRental(10)
     hour = datetime.now().hour
     self.assertEqual(shop.rentBikeOnWeeklyBasis(2).hour, hour)
 def test_rentBikeOnWeeklyBasis_for_invalid_positive_number_of_bikes(self):
     shop = BikeRental(10)
     self.assertEqual(shop.rentBikeOnWeeklyBasis(11), None)
 def test_rentBikeOnWeeklyBasis_for_zero_number_of_bikes(self):
     shop = BikeRental(10)
     self.assertEqual(shop.rentBikeOnWeeklyBasis(0), None)