def test_refuel__when_fuel_more_than_capacity__should_be_equal(self):
car_manager = Car(self.make, self.model, self.fuel_consumption, self.fuel_capacity)
car_manager.refuel(15)
self.assertEqual(self.fuel_capacity, car_manager.fuel_amount)
def test_refuel__when_fuel_negative_and_has_capacity__should_raise_exception(self):
car_manager = Car(self.make, self.model, self.fuel_consumption, self.fuel_capacity)
with self.assertRaises(Exception):
car_manager.refuel(-5)
def test_refuel__when_fuel_less_than_capacity__should_add(self):
car_manager = Car(self.make, self.model, self.fuel_consumption, self.fuel_capacity)
car_manager.fuel_amount = 3
car_manager.refuel(5)
self.assertEqual(8, car_manager.fuel_amount)
def test_fuel_amount__when_negative__should_raise_exception(self):
car_manager = Car(self.make, self.model, self.fuel_consumption, self.fuel_capacity)
with self.assertRaises(Exception):
car_manager.fuel_amount = -5
def test_refuel__when_fuel_positive_and_has_capacity__should_work(self):
car_manager = Car(self.make, self.model, self.fuel_consumption, self.fuel_capacity)
car_manager.refuel(5)
self.assertEqual(5, car_manager.fuel_amount)
def test_fuel_capacity__when_negative__should_raise_exception(self):
self.fuel_capacity = -5
with self.assertRaises(Exception):
Car(self.make, self.model, self.fuel_consumption, self.fuel_capacity)
def test_fuel_amount__when_zero__should_work(self):
car_manager = Car(self.make, self.model, self.fuel_consumption, self.fuel_capacity)
self.assertEqual(0, car_manager.fuel_amount)
def test_fuel_consumption__when_zero__should_raise_exception(self):
self.fuel_consumption = 0
with self.assertRaises(Exception):
Car(self.make, self.model, self.fuel_consumption, self.fuel_capacity)
def test_fuel_capacity__when_more_than_zero__should_work(self):
self.fuel_capacity = 15
car_manager = Car(self.make, self.model, self.fuel_consumption, self.fuel_capacity)
self.assertEqual(15, car_manager.fuel_capacity)
def test_model_called__when_model_is_none__should_raise_exception(self):
self.model = None
with self.assertRaises(Exception):
Car(self.make, self.model, self.fuel_consumption, self.fuel_capacity)
def test_model_called__when_using_valid_parameters__should_work(self):
car_manager = Car(self.make, self.model, self.fuel_consumption, self.fuel_capacity)
self.assertEqual(self.model, car_manager.model)
def test_drive__when_fuel_needed_more_than_amount__should_raise_exception(self):
car_manager = Car(self.make, self.model, self.fuel_consumption, self.fuel_capacity)
car_manager.fuel_amount = 7
with self.assertRaises(Exception):
car_manager.drive(5000)
def test_drive__when_fuel_needed_equal_to_amount__should_be_zero(self):
car_manager = Car(self.make, self.model, self.fuel_consumption, self.fuel_capacity)
car_manager.fuel_amount = 5
car_manager.drive(500)
expected = 0
self.assertEqual(expected, car_manager.fuel_amount)
def test_drive__when_fuel_needed_less_than_amount__should_decrease(self):
car_manager = Car(self.make, self.model, self.fuel_consumption, self.fuel_capacity)
car_manager.fuel_amount = 7
car_manager.drive(500)
expected = 2
self.assertEqual(expected, car_manager.fuel_amount)
