def test_accept() -> None:
"""Test the accept function of the Checkout Class."""
a = RegularLine(3)
b = ExpressLine(3)
c = SelfServeLine(3)
d = ExpressLine(3)
c1 = Customer('A', [Item('bananas', 7)])
c2 = Customer('B', [Item('apple', 2)])
c3 = Customer('C', [Item('orange', 5)])
c4 = Customer('D', [Item('grapes', 10)])
c5 = Customer('E', [Item('grapes', 10)])
c6 = Customer('F', [
Item('avacado', 1),
Item('avacado', 1),
Item('avacado', 1),
Item('avacado', 1),
Item('avacado', 1),
Item('avacado', 1),
Item('avacado', 1),
Item('avacado', 1)
])
a.queue = [c1]
b.queue = [c2, c3, c4]
assert a.accept(c5) == True and a.queue == [c1, c5]
assert b.accept(c5) == False and b.queue == [c2, c3, c4]
assert c.accept(c5) == True and c.queue == [c5]
assert d.accept(c6) == False and d.queue == []
assert d.accept(c5) == True and d.queue == [c5]
def test_start_checkout() -> None:
"""Test the start_checkout function of the Checkout Class."""
a = RegularLine(3)
b = ExpressLine(3)
c = SelfServeLine(3)
c1 = Customer('A', [Item('bananas', 7)])
c2 = Customer('B', [])
c3 = Customer('C', [Item('orange', 5)])
c4 = Customer('D', [Item('grapes', 10), Item('avacado', 1)])
a.queue = [c1]
b.queue = [c2, c3]
c.queue = [c4]
assert a.start_checkout() == 7
a.queue = [c1, c2]
assert a.start_checkout() == 7
assert b.start_checkout() == 0
b.queue = [c3]
assert b.start_checkout() == 5
assert c.start_checkout() == 22
c.queue = [c1, c2, c3, c4]
assert c.start_checkout() == 14
def test_CheckoutLine_len() -> None:
"""Test the __len__ function of the Checkout Class."""
a = RegularLine(15)
b = ExpressLine(10)
c = SelfServeLine(5)
c1 = Customer('A', [Item('bananas', 7)])
c2 = Customer('B', [Item('apple', 2)])
c3 = Customer('C', [Item('orange', 5)])
c4 = Customer('D', [Item('grapes', 10)])
a.queue = [c1]
b.queue = [c2, c3, c4]
assert len(a) == 1
assert len(b) == 3
assert len(c) == 0
def test_close() -> None:
"""Test the close function of the Checkout Class."""
a = RegularLine(3)
b = ExpressLine(3)
c = SelfServeLine(3)
c1 = Customer('A', [Item('bananas', 7)])
c2 = Customer('B', [Item('apple', 2)])
c3 = Customer('C', [Item('orange', 5)])
c4 = Customer('D', [Item('grapes', 10)])
a.queue = [c1]
b.queue = [c2, c3, c4]
assert a.close() == [] and a.is_open == False
assert b.close() == [c3, c4] and a.is_open == False
assert c.close() == [] and a.is_open == False
assert a.queue == [c1]
assert b.queue == [c2]
assert c.queue == []
def test_complete_checkout() -> None:
"""Test the complete_checkout function of the Checkout Class."""
a = RegularLine(3)
b = ExpressLine(3)
c = SelfServeLine(3)
c1 = Customer('A', [Item('bananas', 7)])
c2 = Customer('B', [])
c3 = Customer('C', [Item('orange', 5)])
c4 = Customer('D', [Item('grapes', 10), Item('avacado', 1)])
a.queue = [c1]
b.queue = [c2, c3]
c.queue = [c4]
assert a.complete_checkout() == False and a.queue == []
a.queue = [c2, c1]
assert a.complete_checkout() == True and a.queue == [c1]
assert b.complete_checkout() == True and b.queue == [c3]
assert c.complete_checkout() == False and c.queue == []