def test_car_wheels(self):
man = Car('MAN', 'Truck', 'trailer')
koenigsegg = Car('Koenigsegg', 'Agera R')
self.assertEqual(
[8, 4], [man.num_of_wheels, koenigsegg.num_of_wheels],
msg=
'The car shoud have four (4) wheels except its a type of trailer')
def test_car_speed2(self):
man = Car('Mercedes', 'SLR500')
parked_speed = man.speed
moving_speed = man.drive(3).speed
self.assertListEqual(
[parked_speed, moving_speed], [0, 1000],
msg=
'The Mercedes should have speed 0 km/h until you put `the pedal to the metal`'
)
def test_car_speed(self):
man = Car('MAN', 'Truck', 'trailer')
parked_speed = man.speed
moving_speed = man.drive(7).speed
self.assertListEqual(
[parked_speed, moving_speed], [0, 77],
msg=
'The Trailer should have speed 0 km/h until you put `the pedal to the metal`'
)
def test_drive_car(self):
man = Car('MAN', 'Truck', 'trailer')
moving_man = man.drive(7)
moving_man_instance = isinstance(moving_man, Car)
moving_man_type = type(moving_man) is Car
self.assertListEqual(
[True, True, man.speed],
[moving_man_instance, moving_man_type, moving_man.speed],
msg=
'The car drive function should return the instance of the Car class'
)
def test_car_doors(self):
opel = Car('Opel', 'Omega 3')
porshe = Car('Porshe', '911 Turbo')
self.assertListEqual(
[
opel.num_of_doors, porshe.num_of_doors,
Car('Koenigsegg', 'Agera R').num_of_doors
], [4, 2, 2],
msg=
'The car shoud have four (4) doors except its a Porshe or Koenigsegg'
)
def test_default_car_model(self):
gm = Car()
self.assertEqual(
'GM',
gm.model,
msg=
"The car's model should be called `GM` if no model was passed as an argument"
)
def test_default_car_name(self):
gm = Car()
self.assertEqual(
'General',
gm.name,
msg=
'The car should be called `General` if no name was passed as an argument'
)
def test_car_type(self):
koenigsegg = Car('Koenigsegg', 'Agera R')
self.assertTrue(
koenigsegg.is_saloon(),
msg='The car type should be saloon if it is not a trailer')
def test_car_instance(self):
honda = Car('Honda')
self.assertIsInstance(
honda,
Car,
msg='The object should be an instance of the `Car` class')
def test_car_properties(self):
toyota = Car('Toyota', 'Corolla')
self.assertListEqual(
['Toyota', 'Corolla'], [toyota.name, toyota.model],
msg='The car name and model should be a property of the car')
def test_object_type(self):
honda = Car('Honda')
self.assertTrue((type(honda) is Car),
msg='The object should be a type of `Car`')