def test_can_accept_closed() -> None:
""" Test whether line can accept when it is closed."""
line = RegularLine(1)
line.is_open = False
item_list = [Item('bananas', 1), Item('bananas', 1)]
jeff = Customer('Jeff', item_list)
assert not line.can_accept(jeff)
def test_checkout_cannot_accept_when_line_is_closed() -> None:
"""check if a customer can enter a line if line is closed"""
customer1 = Customer("bruce", [])
line1 = RegularLine(3)
line1.is_open = False
assert line1.can_accept(customer1) is False
line2 = SelfServeLine(3)
line2.is_open = False
assert line2.can_accept(customer1) is False
line3 = ExpressLine(3)
line3.is_open = False
assert line3.can_accept(customer1) is False