def main():
"""Demo test code to show how to use car class."""
my_car = Car("Car", 180)
my_car.drive(30)
print("fuel =", my_car.fuel)
print("odo =", my_car.odometer)
print(my_car)
print("Car {}, {}".format(my_car.fuel, my_car.odometer))
print("Car {self.fuel}, {self.odometer}".format(self=my_car))
limo = Car("limo", 100)
limo.add_fuel(20)
print("The {} has {} units of fuel. The odometer reads: {}".format(limo.name, limo.fuel, limo.odometer))
limo.drive(115)
print("The {} has {} units of fuel. The odometer reads: {}".format(limo.name, limo.fuel, limo.odometer))
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_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_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`')
# 04/03/2021 This file is for executing the cars.py classes
# Execution
# drive() we will not have an access to this function name yet
from cars import Car
mycar = Car("BMW", "530xi", "black") # Car is the class,
yourcar = Car("Lexus", "Lexus IS", "silver")
mycar.drive()
mycar.set_odometer_reader(50)
mycar.get_description()
yourcar.do_something()
mycar.get_description()
print("***************************")
yourcar.get_description()
yourcar.drive()
yourcar.set_odometer_reader(30)
yourcar.get_description()
## 04/03/2021
print("___Electric car instances______")
class ElecricCar(Car):
def __init__(self, brand, model, color):
super().__init__(brand, model, color)
self.battery_size = 60
