def test_carRefuel_whenPositiveFuelAndMoreThanCapacity_shouldSetAmountToCapacity(
self):
make = 'test make'
model = 'test model'
fuel_consumption = 6
fuel_capacity = 60
params = [make, model, fuel_consumption, fuel_capacity]
car = Car(*params)
car.refuel(car.fuel_capacity * 2)
self.assertEqual(car.fuel_capacity, car.fuel_amount)
def test_carRefuel_whenPositiveFuelAndEnoughInCapacity_shouldIncreaseAmount(
self):
make = 'test make'
model = 'test model'
fuel_consumption = 6
fuel_capacity = 60
params = [make, model, fuel_consumption, fuel_capacity]
car = Car(*params)
car.refuel(5)
self.assertEqual(5, car.fuel_amount)
def test_carInit_whenNegativeFuelAmount_shouldRaise(self):
make = 'test make'
model = 'test model'
fuel_consumption = 6
fuel_capacity = 60
params = [make, model, fuel_consumption, fuel_capacity]
car = Car(*params)
with self.assertRaises(Exception) as context:
car.fuel_amount = -1
self.assertIsNotNone(context.exception)
def test_carDrive_whenNotEnoughFuel_shouldRaise(self):
make = 'test make'
model = 'test model'
fuel_consumption = 6
fuel_capacity = 60
params = [make, model, fuel_consumption, fuel_capacity]
car = Car(*params)
with self.assertRaises(Exception) as context:
car.drive(100)
self.assertIsNotNone(context.exception)
def test_carRefuel_whenZeroFuel_shouldRaise(self):
make = 'test make'
model = 'test model'
fuel_consumption = 6
fuel_capacity = 60
params = [make, model, fuel_consumption, fuel_capacity]
car = Car(*params)
with self.assertRaises(Exception) as context:
car.refuel(0)
self.assertIsNotNone(context.exception)
def test_carInit_whenValidValues_shouldInitialize(self):
make = 'test make'
model = 'test model'
fuel_consumption = 6
fuel_capacity = 60
car = Car(make, model, fuel_consumption, fuel_capacity)
expected = [make, model, fuel_consumption, fuel_capacity, 0]
actual = [
car.make, car.model, car.fuel_consumption, car.fuel_capacity,
car.fuel_amount
]
self.assertListEqual(expected, actual)
def test_carDrive_whenEnoughFuel_shouldDecreaseFuel(self):
make = 'test make'
model = 'test model'
fuel_consumption = 6
fuel_capacity = 60
params = [make, model, fuel_consumption, fuel_capacity]
car = Car(*params)
car.refuel(car.fuel_capacity)
distance = 100
car.drive(distance)
expected = car.fuel_capacity - car.fuel_consumption * distance / 100
actual = car.fuel_amount
self.assertEqual(expected, actual)
def __get_exception_from_init(self, make, model, fuel_consumption,
fuel_capacity):
with self.assertRaises(Exception) as context:
Car(make, model, fuel_consumption, fuel_capacity)
return context.exception