def test_customer_num_items_with_multi_item() -> None:
"""check num item method with several items"""
item1 = Item("banana", 10)
item2 = Item("apple", 2)
item3 = Item("orange", 9)
customer1 = Customer("bruce", [item1, item2, item3])
assert customer1.num_items() == 3
def test_customer_num_items_empty() -> None:
""" Test customer num_items when customer has no items.
"""
item_list = []
belinda = Customer('Belinda', item_list)
assert belinda.num_items() == 0
def test_customer_num_items_many() -> None:
""" Test customer num_items when customer has many items.
"""
item_list = [Item('bananas', 1), Item('apples', 2), Item('kiwis', 3),
Item('strawberries', 4), Item('guavas', 5), Item('oranges', 6)]
belinda = Customer('Belinda', item_list)
assert belinda.num_items() == 6
assert len(belinda._items) == 6
def test_complete() -> None:
customer = Customer("test1", [
Item('apple\\34', 34),
Item('apple\\43', 43),
Item('apple\\567', 567),
Item('apple\\785', 785)
])
assert customer.arrival_time == -1
assert customer.name == "test1"
for item in customer._items:
lst = item.name.split('\\')
assert lst[0].isalpha()
assert lst[1].isnumeric()
assert item.get_time() == int(lst[1])
assert customer.num_items() == 4
assert customer.get_item_time() == 77 + 567 + 785
def test_customer_num_items_with_one_item() -> None:
"""check num item method with one item"""
item1 = Item("banana", 10)
customer1 = Customer("bruce", [item1])
assert customer1.num_items() == 1
def test_customer_num_items_with_no_item() -> None:
"""check num item method with no item"""
customer1 = Customer("bruce", [])
assert customer1.arrival_time == -1
assert customer1.num_items() == 0
def test_complete_init() -> None:
customer = Customer("Empty", [])
assert customer.arrival_time == -1
assert customer.name == "Empty"
assert customer.num_items() == 0
assert customer.get_item_time() == 0
def test_customer_num_items() -> None:
"""Test the num_items of the Customer Class."""
c1 = Customer('Anshul', [Item('bananas', 7), Item('mango', 1)])
c2 = Customer('Aavi', [])
assert c1.num_items() == 2
assert c2.num_items() == 0