def test_with_given_bill_batch_should_return_total_sum_of_bills(self):
batch = BillBatch([Bill(i) for i in range(1, 5)
]) #bills with values: 1, 2, 3, 4
result = batch.total()
expected = 10
self.assertEqual(result, expected)
def test_with_given_bill_batch_with_more_than_zero_elements_should_return_length_of_batch(
self):
batch = BillBatch([Bill(i) for i in range(1, 5)])
length = len(batch)
self.assertEqual(length, len(batch.batch))
def test_with_given_bill_batch_with_zero_elements_should_return_zero_as_length_of_batch(
self):
batch = BillBatch([])
length = len(batch)
self.assertEqual(length, len(batch.batch))
def test_with_given_bill_batch_should_be_available_to_return_bill_by_given_index(
self):
batch = BillBatch([Bill(i) for i in range(1, 5)])
result = batch[2]
expected = Bill(3) #bill on pos 2 is A 3$ bill
self.assertEqual(result, expected)
def test_with_given_list_of_bills_as_argument_should_raise_exception(self):
bill_one = Bill(10)
bill_two = Bill(20)
bill_batch_argment = [bill_one, bill_two]
batch = BillBatch(bill_batch_argment)
self.assertEqual(type(batch), BillBatch)
self.assertEqual(batch.batch, bill_batch_argment)
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_bill_batch_should_be_available_for_iteration(self):
batch = BillBatch([Bill(i) for i in range(1, 5)])
result = []
for bill in batch:
result.append(bill.amount)
expected = [1, 2, 3, 4]
self.assertEqual(result, expected)
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_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_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_list_as_argument_should_raise_exception(self):
bill_batch_argment = None
exc = None
try:
batch = BillBatch(bill_batch_argment)
except Exception as e:
exc = e
self.assertIsNotNone(exc)
self.assertEqual(
str(exc),
'Invalid argument given, argument needs to be of type list!')
def test_with_given_list_of_non_bills_as_argument_should_raise_exception(
self):
bill_batch_argment = [1, 2, 3]
exc = None
try:
batch = BillBatch(bill_batch_argment)
except Exception as e:
exc = e
self.assertIsNotNone(exc)
self.assertEqual(
str(exc),
'Invalid element of list given, argument needs to be list of elements of type Bill!'
)
sorted_list = sorted(list_of_money_in_table, key=lambda c: c.amount)
for el in sorted_list:
representation += str(str(el)[2:]) + 's - ' + str(
self.money_table[el]) + '\n'
return representation
def inspect(self):
print(self.__repr__())
# return self.__repr__() #used for unit testing
if __name__ == '__main__':
cashdesk = Cashdesk()
cashdesk.take_money(Bill(10))
batch = BillBatch([Bill(i) for i in range(1, 5)])
cashdesk.take_money(batch)
cashdesk.inspect()
values = [10, 20, 50, 100, 100, 100]
bills = [Bill(value) for value in values]
batch = BillBatch(bills)
desk = Cashdesk()
desk.take_money(batch)
desk.take_money(Bill(10))
print(desk.total()) # 390
desk.inspect()