class TestCar:
# correct object to test
correct_object_to_test = class_car.Car(3, 1600, 5)
def test_attributes(self):
# create object
assert self.correct_object_to_test.pax_count == 3
assert self.correct_object_to_test.car_mass == 1600
assert self.correct_object_to_test.gear_count == 5
@pytest.mark.parametrize(
"wrong_pax_count, car_mass, gear_count", [(6, 1500, 5), (0, 1500, 5)]
)
def test_incorrect_positive_values_for_pax_count(
self, wrong_pax_count, car_mass, gear_count
):
with pytest.raises(class_car_exception.IllegalCarError):
class_car.Car(wrong_pax_count, car_mass, gear_count)
def test_incorrect_negative_value_for_pax_count(self):
with pytest.raises(ValueError):
class_car.Car(-5, 1500, 5)
@pytest.mark.parametrize(
"pax_count, wrong_car_mass, gear_count",
[(3, 21500, 5), (3, 3000, 5), (3, 2001, 5)],
)
def test_incorrect_values_for_car_mass(self, pax_count, wrong_car_mass, gear_count):
with pytest.raises(class_car_exception.IllegalCarError):
class_car.Car(pax_count, wrong_car_mass, gear_count)
@pytest.mark.parametrize(
"pax_count, car_mass, gear_count, total_mass",
[
(3, 1000, 5, 3 * 70 + 1000),
(5, 1000, 5, 5 * 70 + 1000),
(5, 1500, 5, 5 * 70 + 1500),
],
)
def test_property_total_mass(self, pax_count, car_mass, gear_count, total_mass):
obj_to_test = class_car.Car(pax_count, car_mass, gear_count)
assert obj_to_test.total_mass == total_mass
def test_changing_attributes_on_object(self):
with pytest.raises(class_car_exception.IllegalCarError):
self.correct_object_to_test.pax_count = 16
with pytest.raises(class_car_exception.IllegalCarError):
self.correct_object_to_test.car_mass = 2001
@pytest.mark.parametrize(
"pax_count, car_mass, gear_count", [({}, 1000, 5), (5, [], 5), (5, 1500, set())]
)
def test_wrong_inputs(self, pax_count, car_mass, gear_count):
with pytest.raises(TypeError):
class_car.Car(pax_count, car_mass, gear_count)
import class_car as car
my_beetle = car.Car('volkswagen', 'beetle', 2016)
print(my_beetle.get_descriptive_name())
my_tesla = car.ElectricCar('tesla', 'roadster', 2016)
print(my_tesla.get_descriptive_name())
def test_wrong_inputs(self, pax_count, car_mass, gear_count):
with pytest.raises(TypeError):
class_car.Car(pax_count, car_mass, gear_count)
def test_property_total_mass(self, pax_count, car_mass, gear_count, total_mass):
obj_to_test = class_car.Car(pax_count, car_mass, gear_count)
assert obj_to_test.total_mass == total_mass
def test_incorrect_values_for_car_mass(self, pax_count, wrong_car_mass, gear_count):
with pytest.raises(class_car_exception.IllegalCarError):
class_car.Car(pax_count, wrong_car_mass, gear_count)
def test_incorrect_negative_value_for_pax_count(self):
with pytest.raises(ValueError):
class_car.Car(-5, 1500, 5)
def test_incorrect_positive_values_for_pax_count(
self, wrong_pax_count, car_mass, gear_count
):
with pytest.raises(class_car_exception.IllegalCarError):
class_car.Car(wrong_pax_count, car_mass, gear_count)