def test_get_amount():
"""自販機に投入した金額の総計が正しく出力されるか"""
vending_machine = VendingMachine()
insert_money = [10, 50, 100, 500, 1000]
vending_machine.insert(insert_money)
actual = vending_machine.get_amount()
expected = sum(insert_money)
assert actual == expected
def test_refund_money():
"""自販機に入っているお金が正しく返金されるか"""
vending_machine = VendingMachine()
insert_money = [10, 50, 100, 500, 1000]
vending_machine.insert(insert_money)
actual_refunded_money = vending_machine.refund_money()
expected_refunded_money = {10: 1, 50: 1, 100: 1, 500: 1, 1000: 1}
assert actual_refunded_money == expected_refunded_money
actual_amount = vending_machine.get_amount()
expected_amount = 0
assert actual_amount == expected_amount
def test_insert_invalid_money():
"""無効なお金が投入された物がそのまま返却されるか"""
vending_machine = VendingMachine()
insert_money = [1, 5, 10000, 3]
actual = vending_machine.insert(insert_money)
expected = insert_money
assert actual == expected
def test_check_multiple_insert():
"""複数のお金が挿入できるか"""
vending_machine = VendingMachine()
insert_money = [10, 50, 100, 500, 1000]
actual_insert = vending_machine.insert(insert_money)
assert actual_insert == []
actual_money_box = vending_machine.money_box
expected = {10: 1, 50: 1, 100: 1, 500: 1, 1000: 1}
assert actual_money_box == expected
