def test_with_given_one_bill_cashdesk_should_return_amount_of_bill(self):
cashdesk = Cashdesk()
amount = 10
cashdesk.take_money(Bill(amount))
result = cashdesk.total()
self.assertEqual(result, amount)
def test_with_given_empty_cashdesk_and_bill_object_as_argument_should_add_to_table(
self):
cashdesk = Cashdesk()
bill = Bill(10)
take_money_bill_argument = bill
cashdesk.take_money(take_money_bill_argument)
self.assertEqual(cashdesk.money_table[bill], 1)
def test_with_given_multi_bill_cashdesk_should_return_amount_of_all_bills(
self):
cashdesk = Cashdesk()
cashdesk.take_money(BillBatch([Bill(i) for i in range(1, 5)]))
result = cashdesk.total()
expected = sum(range(1, 5))
self.assertEqual(result, expected)
def test_with_given_empty_cashdesk_and_bill_batch_object_as_argument_should_add_all_bills_in_batch_to_table(
self):
cashdesk = Cashdesk()
bill_batch = BillBatch([Bill(i) for i in (1, 5)])
take_money_bill_batch_argument = bill_batch
cashdesk.take_money(take_money_bill_batch_argument)
for i in (1, 5):
self.assertEqual(cashdesk.money_table[Bill(i)], 1)
def test_with_given_non_bill_or_batch_bill_object_as_argument_should_raise_exception(
self):
cashdesk = Cashdesk()
take_money_invalid_argument = 'string'
exc = None
try:
cashdesk.take_money(take_money_invalid_argument)
except Exception as e:
exc = e
self.assertIsNotNone(exc)
self.assertEqual(
str(exc),
'Invalid argument given, argument needs to be instance of Bill or BillBatch'
)
def test_with_given_multi_bill_cashdesk_and_bill_occurs_more_than_ones_should_print_in_ascending_order_of_amount_of_bill(
self):
cashdesk = Cashdesk()
cashdesk.take_money(Bill(10))
batch = BillBatch([Bill(i) for i in range(1, 5)])
cashdesk.take_money(batch)
cashdesk.take_money(batch)
expected = '1$ bills - 2\n2$ bills - 2\n3$ bills - 2\n4$ bills - 2\n10$ bills - 1\n'
self.assertEqual(cashdesk.__repr__(), expected)
def test_with_given_multi_bill_cashdesk_and_bill_occurs_more_than_ones_should_return_amount_of_all_bills(
self):
cashdesk = Cashdesk()
cashdesk.take_money(Bill(10))
batch = BillBatch([Bill(i) for i in range(1, 5)])
cashdesk.take_money(batch)
cashdesk.take_money(batch)
result = cashdesk.total()
expected = sum(range(1, 5)) * 2 + 10
self.assertEqual(result, expected)
def test_with_given_non_empty_cashdesk_and_bill_object_as_argument_that_exists_in_table_should_icrement_value_in_table(
self):
cashdesk = Cashdesk()
bill_10_dollars = Bill(10)
take_money_bill_argument = bill_10_dollars
cashdesk.take_money(take_money_bill_argument)
cashdesk.take_money(take_money_bill_argument)
self.assertEqual(cashdesk.money_table[bill_10_dollars], 2)
def test_with_given_non_empty_cashdesk_and_bill_batch_object_as_argument_that_all_elements_in_it_exist_in_table_should_icrement_values_in_table(
self):
cashdesk = Cashdesk()
bill_batch = BillBatch([Bill(i) for i in (1, 5)])
take_money_bill_batch_argument = bill_batch
cashdesk.take_money(take_money_bill_batch_argument)
cashdesk.take_money(take_money_bill_batch_argument)
for i in (1, 5):
self.assertEqual(cashdesk.money_table[Bill(i)], 2)
def test_total_zero_when_new_instance_made(self):
my_cashdesk = Cashdesk()
self.assertEqual(0, my_cashdesk.total())
def test_can_withdraw_money_cant_withdraw(self):
my_cashdesk = Cashdesk()
my_cashdesk.take_money({1: 2, 100: 3})
self.assertTrue(my_cashdesk.can_withdraw_money(301))
def test_total_after_money_take(self):
my_cashdesk = Cashdesk()
my_cashdesk.take_money({100: 3, 2: 1})
self.assertEqual(302, my_cashdesk.total())
def test_with_given_no_arguments_should_instantiate_cashdesk_object(self):
cashdesk = Cashdesk()
self.assertEqual(type(cashdesk), Cashdesk)
self.assertEqual(cashdesk.money_table, {})
def test_with_given_one_bill_cashdesk_should_print_correctly(self):
cashdesk = Cashdesk()
cashdesk.take_money(Bill(10))
expected = '10$ bills - 1\n'
self.assertEqual(cashdesk.__repr__(), expected)
def test_with_given_empty_cashdesk_should_print_empty_string(self):
cashdesk = Cashdesk()
expected = ''
self.assertEqual(cashdesk.__repr__(), expected)
def test_with_given_empty_cashdesk_should_return_zero(self):
cashdesk = Cashdesk()
result = cashdesk.total()
self.assertEqual(result, 0)