def test_CarRefuel_whenNegativeFuel_shouldRaiseException(self):
make = "Mercedes"
model = "GT"
fuel_consumption = 20
capacity = 80
car = Car(make, model, fuel_consumption, capacity)
with self.assertRaises(Exception) as context:
car.refuel(-10)
self.assertIsNotNone(context.exception)
def test_CarDrive_whenNotEnoughFuel_shouldRaiseException(self):
make = 'Mercedes'
model = "GT"
fuel_consumption = 20
capacity = 80
car = Car(make, model, fuel_consumption, capacity)
with self.assertRaises(Exception) as context:
car.drive(1000)
self.assertIsNotNone(context.exception)
def test_CarRefuel_whenPositiveFuelAndMoreThanCapacity_shouldSetAmountToCapacity(
self):
make = 'Mercedes'
model = "GT"
fuel_consumption = 20
capacity = 80
refuel_amount = 100
car = Car(make, model, fuel_consumption, capacity)
car.refuel(refuel_amount)
self.assertEqual(capacity, car.fuel_capacity)
def test_CarRefuel_whenPositiveFuelAndEnoughCapacity_shouldIncreaseFuel(
self):
make = 'Mercedes'
model = "GT"
fuel_consumption = 20
capacity = 80
refuel_amount = 30
car = Car(make, model, fuel_consumption, capacity)
car.refuel(refuel_amount)
self.assertEqual(refuel_amount, car.fuel_amount)
def test_CarInit_whenZeroCapacity_shouldRaiseException(self):
make = "Mercedes"
model = "GT"
fuel_consumption = 20
capacity = 0
with self.assertRaises(Exception) as context:
Car(make, model, fuel_consumption, capacity)
self.assertIsNotNone(context.exception)
def test_CarInit_whenEmptyString_shouldRaiseException(self):
make = ""
model = "GT"
fuel_consumption = 20
capacity = 80
with self.assertRaises(Exception) as context:
Car(make, model, fuel_consumption, capacity)
self.assertIsNotNone(context.exception)
def test_CarInit_whenProperInputIsGiven_shouldBeAllRight(self):
make = 'Mercedes'
model = "GT"
fuel_consumption = 20
capacity = 80
car = Car(make, model, fuel_consumption, capacity)
self.assertEqual(make, car.make)
self.assertEqual(model, car.model)
self.assertEqual(fuel_consumption, car.fuel_consumption)
self.assertEqual(capacity, car.fuel_capacity)
def test_CarDrive_whenEnoughFuel_shouldDecreaseFuel(self):
make = 'Mercedes'
model = "GT"
fuel_consumption = 20
capacity = 80
refuel_amount = 80
kilometers = 100
amount_needed = kilometers * fuel_consumption / 100
car = Car(make, model, fuel_consumption, capacity)
car.refuel(refuel_amount)
car.drive(kilometers)
self.assertEqual(capacity - amount_needed, car.fuel_amount)