# the car sets a model and returns it in this case Mercedes Benz, the colour is set as silver, the mileage is
# 1000 and increased by 40 to 1040 as the mileage returned, the engineSize is 3.2 and the car uses 5 cylinders.
car5 = DieselCar()
car5.setMake('Mercedes Benz')
print '\nOur diesel option is ' + car4.getMake()
car5.setColour('Silver')
print('The colour is ' + car5.getColour())
car5.setMileage(1000)
car5.move(40)
print('The mileage is ' + str(car5.getMileage())) + 'kms'
car5.engineSize = '3.2'
print 'The engine size is ' + car5.engineSize
car5.setNumberOfFuelCylinders(5)
print('The number of fuel cylinders is ' + str(car5.getNumberOfFuelCylinders()))
# Creating a Dealership class that inherits from object. Creates a private function called init. Basic naming
# functions for private functions is init or foo. Next 4 lists are created 1 for each type of car. Also a list
# is created called rental_cars for cars currently on rental.
class Dealership(object):
def __init__(self):
self.electric_cars = []
self.petrol_cars = []
self.diesel_cars = []
self.hybrid_cars = []
self.rental_cars = []
class TestDieselCar(unittest.TestCase):
def setUp(self):
# The DieselCar calls itself using self.
self.diesel_car = DieselCar()
def test_DieselCar_fuel_cylinders(self):
# This tests fuel_cylinders for a DieselCar class similar to a petrol car however the default value for
# number of cylinders is higher for diesel. Then setNumberOfFuelCylinders method calls the function
# from the base class DieselCar to change the value to 8. This is tested and confirmed to be true.
# The next tests test cylinders for the values 2 and 4 which are confirmed in the test cases as true.
self.assertEqual(5, self.diesel_car.getNumberOfFuelCylinders())
self.diesel_car.setNumberOfFuelCylinders(8)
self.assertEqual(8, self.diesel_car.getNumberOfFuelCylinders())
self.diesel_car.setNumberOfFuelCylinders(2)
self.assertEqual(2, self.diesel_car.getNumberOfFuelCylinders())
self.diesel_car.setNumberOfFuelCylinders(4)
self.assertEqual(4, self.diesel_car.getNumberOfFuelCylinders())
def test_DieselCar_mileage_and_move(self):
# Function for testing the mileage of a DieselCar class. As with other cars the default value is 0.
# The move function is called taking the value 8. This moves the car by 8km's. Next it is increased
# by 20 to make 28, tested with increasing by 0 and remains 28. The setMileage function calls the function
# in the DieselCar class which inherits the function from the Car class. This sets mileage at 30 which is
# tested and is true and lastly move by 7.5 to increase mileage to 37.5 which is tested and is true.
self.assertEqual(0, self.diesel_car.getMileage())
self.diesel_car.move(8)
self.assertEqual(8, self.diesel_car.getMileage())
self.diesel_car.move(20)
self.assertEqual(28, self.diesel_car.getMileage())
self.diesel_car.move(0)
self.assertEqual(28, self.diesel_car.getMileage())
self.diesel_car.setMileage(30)
self.assertEqual(30, self.diesel_car.getMileage())
self.diesel_car.move(7.5)
self.assertEqual(37.5, self.diesel_car.getMileage())
def test_DieselCar_make(self):
# Testing make function for DieselCar.
self.assertEqual(' ', self.diesel_car.getMake())
self.diesel_car.setMake('Chevy')
self.assertEqual('Chevy', self.diesel_car.getMake())
self.diesel_car.setMake('Chevy Impala')
self.assertEqual('Chevy Impala', self.diesel_car.getMake())
self.diesel_car.setMake('Chevrolet Silverado 2500 HD')
self.assertEqual('Chevrolet Silverado 2500 HD', self.diesel_car.getMake())
def test_DieselCar_engineSize(self):
# Testing engineSize for DieselCar class.
self.assertEqual(' ', self.diesel_car.getEngineSize())
self.diesel_car.setEngineSize(3.3)
self.assertEqual(3.3, self.diesel_car.getEngineSize())
self.diesel_car.setEngineSize(3.5)
self.assertEqual(3.5, self.diesel_car.getEngineSize())
def test_DieselCar_colour_and_paint(self):
# Testing colour and paint for DieselCar Class.
self.assertEqual(' ', self.diesel_car.getColour())
self.diesel_car.paint('silver')
self.assertEqual('silver', self.diesel_car.getColour())
self.diesel_car.setColour('white')
self.assertEqual('white', self.diesel_car.getColour())
class TestHybridCar(unittest.TestCase):
def setUp(self):
# The HybridCar calls itself using self.
self.hybrid_car = HybridCar()
def test_HybridCar_fuel_cylinders(self):
# Similar to petrol and diesel except default value is 1. The default value is tested as well as 4, 6
# and 3 which all result in true.
self.assertEqual(1, self.hybrid_car.getNumberOfFuelCylinders())
self.hybrid_car.setNumberOfFuelCylinders(4)
self.assertEqual(4, self.hybrid_car.getNumberOfFuelCylinders())
self.hybrid_car.setNumberOfFuelCylinders(6)
self.assertEqual(6, self.hybrid_car.getNumberOfFuelCylinders())
self.hybrid_car.setNumberOfFuelCylinders(3)
self.assertEqual(3, self.hybrid_car.getNumberOfFuelCylinders())
def test_HybridCar_fuel_cells(self):
# Similar to ElectricCar test_car_fuel_cells. The default value 1 is tested as well as 4 and 2.
self.assertEqual(1, self.hybrid_car.getNumberOfFuelCells())
self.hybrid_car.setNumberOfFuelCells(4)
self.assertEqual(4, self.hybrid_car.getNumberOfFuelCells())
self.hybrid_car.setNumberOfFuelCells(2)
self.assertEqual(2, self.hybrid_car.getNumberOfFuelCells())
def test_HybridCar_mileage_and_move(self):
# As in other cases testing the mileage default value. Then entering a value for move to ensure
# it moves that amount to test the mileage of a car. The car is moved by 7.7 to make 19.7 moved 0
# output stays the same and lastly setMileage is tested with a value of 15 which is true.
self.assertEqual(0, self.hybrid_car.getMileage())
self.hybrid_car.move(12)
self.assertEqual(12, self.hybrid_car.getMileage())
self.hybrid_car.move(7.7)
self.assertEqual(19.7, self.hybrid_car.getMileage())
self.hybrid_car.move(0)
self.assertEqual(19.7, self.hybrid_car.getMileage())
self.hybrid_car.setMileage(15)
self.assertEqual(15, self.hybrid_car.getMileage())
def test_HybridCar_make(self):
# Testing make function for HybridCar.
self.assertEqual(' ', self.hybrid_car.getMake())
self.hybrid_car.setMake('Chevrolet Malibu')
self.assertEqual('Chevrolet Malibu', self.hybrid_car.getMake())
self.hybrid_car.setMake('Chevrolet Cruz')
self.assertEqual('Chevrolet Cruz', self.hybrid_car.getMake())
def test_HybridCar_engineSize(self):
# Testing engineSize for HybridCar.
self.assertEqual(' ', self.hybrid_car.getEngineSize())
self.hybrid_car.setEngineSize(1.6)
self.assertEqual(1.6, self.hybrid_car.getEngineSize())
self.hybrid_car.setEngineSize(1.8)
self.assertEqual(1.8, self.hybrid_car.getEngineSize())
def test_HybridCar_colour_and_paint(self):
# Testing colour and paint for HybridCar.
self.assertEqual(' ', self.hybrid_car.getColour())
self.hybrid_car.paint('red')
self.assertEqual('red', self.hybrid_car.getColour())
self.hybrid_car.setColour('light blue')
self.assertEqual('light blue', self.hybrid_car.getColour())