def test_get_balance_0():
"""
test when no coins are inserted, and no purchases have been made,
the balance should be zero
"""
machine = vending_machine.VendingMachine()
assert machine.get_balance() == 0
def test_buy_product_with_integer_product():
"""
test buy product with string input
"""
machine = vending_machine.VendingMachine()
with pytest.raises(ValueError):
machine.buy_product("not a product type")
def test_insert_dime():
"""
test insert instance of Dime
"""
machine = vending_machine.VendingMachine()
dime = coins.Dime()
assert machine.insert_coin(dime) == [dime]
def test_insert_coin_reject_not_coin_class():
"""
test if insert integer will raise ValueError
"""
machine = vending_machine.VendingMachine()
with pytest.raises(ValueError):
machine.insert_coin(25)
def test_insert_nickel():
"""
test insert instance of Nickel
"""
machine = vending_machine.VendingMachine()
nickel = coins.Nickel()
assert machine.insert_coin(nickel) == [nickel]
def test_get_change_balance_25():
"""
When the balance is 25, a quarter should be returned
"""
machine = vending_machine.VendingMachine()
quarter = coins.Quarter()
machine.insert_coin(quarter)
assert machine.get_change() == [quarter]
def test_insert_dime_nickel():
"""
test insert coin appended right
"""
machine = vending_machine.VendingMachine()
dime = coins.Dime()
nickel = coins.Nickel()
machine.insert_coin(dime)
machine.insert_coin(nickel)
assert machine.insert_coins == [dime, nickel]
def test_buy_product_with_insufficient_funds():
"""
test buy product with insufficient funds
"""
machine = vending_machine.VendingMachine()
dime = coins.Dime()
nickel = coins.Nickel()
machine.insert_coin(dime)
machine.insert_coin(nickel)
drink = products.Drink()
with pytest.raises(InsufficientFunds):
machine.buy_product(drink)
def test_get_balance_two_loonie_candy_75():
"""
given that two toonies are inserted into the machine and a candy bar
was purchased, the method should return 85.
"""
machine = vending_machine.VendingMachine()
toonie = coins.Toonie()
candy = products.Candy()
machine.insert_coin(toonie)
machine.insert_coin(toonie)
machine.buy_product(candy)
assert machine.get_balance() == 85
def test_get_change_balance_265():
"""
When the balance is 265, a toonie, two quarters, a dime and a
nickel should be returned
"""
machine = vending_machine.VendingMachine()
quarter = coins.Quarter()
toonie = coins.Toonie()
dime = coins.Dime()
nickel = coins.Nickel()
machine.insert_coin(quarter)
machine.insert_coin(toonie)
machine.insert_coin(quarter)
machine.insert_coin(dime)
machine.insert_coin(nickel)
assert machine.get_change() == [toonie, quarter, quarter, dime, nickel]
def main():
root = tk.Tk()
root.configure(background=ROOT_BG_COLOR,
height=ROOT_HEIGHT,
width=ROOT_WIDTH)
products = []
for i in range(7):
product_id = vm.MIN_PRODUCT_ID + (3 * i)
products.append(vm.Product(product_id, "Coke", 220))
products.append(vm.Product(product_id + 1, "Fanta", 210))
products.append(vm.Product(product_id + 2, "Sprite", 250))
vending_machine = vm.VendingMachine(products)
vending_machine_service = VendingMachineService(vending_machine)
VendingMachineMainView(root, vending_machine_service, products)
root.mainloop()
def test_vending_machine_whole():
"""
Here we do a integrated test to simulate a action of using vending machine
"""
machine1 = vending_machine.VendingMachine()
quarter = coins.Quarter()
toonie = coins.Toonie()
dime = coins.Dime()
nickel = coins.Nickel()
loonie = coins.Loonie()
candy = products.Candy()
chips = products.Chips()
machine1.insert_coin(toonie)
machine1.insert_coin(loonie)
machine1.insert_coin(loonie)
machine1.insert_coin(toonie)
machine1.insert_coin(quarter)
candy = products.Candy()
chips = products.Chips()
machine1.buy_product(candy)
machine1.buy_product(chips)
assert machine1.get_change() == [
quarter, quarter, dime, dime, dime, nickel
]
def test_get_change_balance_0():
"""
When the balance is 0, no quarters should be returned
"""
machine = vending_machine.VendingMachine()
assert machine.get_change() == []
def setUp(self):
self.green_light = mock.MagicMock(spec=LED, autospec=True)
self.vm = vending_machine.VendingMachine(self.green_light)
self.green_blink = mock.MagicMock(spec=LED.blink)
self.vm.green_light.blink = self.green_blink
def setUp(self):
"""This class tests VendingMachine class"""
self.products = self.get_products()
self.vending_machine = vm.VendingMachine(self.products)
#!/usr/bin/python3
import vending_machine
import RPi.GPIO as GPIO
# Must be done before instantiating a VendingMachine
GPIO.setmode(GPIO.BCM)
x = vending_machine.VendingMachine()
run = True
print(30 * '-')
print(" V E N D - O - M A T I C ")
print(30 * '-')
print("Press X to Exit")
print("Press C to see Cash Balance")
print(30 * '-')
message = "INSERT COIN"
terminate = False
product_selected = False
selected_product = None
product_price = None
while not selected_product:
print("")
print(40 * "#")
print("Choose a product")
products = x.get_products()
keys = list(products)
for index in range(len(keys)):