class TestComboCount(unittest.TestCase):
@classmethod
def setUpClass(self):
self.change_combos = ChangeCombos([1, 5, 10, 25, 50, 100])
def test_combo_base_cases(self):
self.assertEqual(self.change_combos.combo_count(1), 1)
self.assertEqual(self.change_combos.combo_count(5), 2)
self.assertEqual(self.change_combos.combo_count(10), 4)
def main():
parser = ArgumentParser(usage="usage: change_combos.py <target> [-h] [--coins COINS [COINS ...]]",
description='Find number of change combinations \
for given dollar value in cents.')
parser.add_argument('target', metavar='target', type=int,
help='Target dollar value in cents - ex $1.50 = 150')
parser.add_argument('--coins', dest='coins', type=int, nargs='+', required=False,
default=COIN_TYPES,
help='Array of possible coins.')
parser._add_container_actions
args = parser.parse_args()
change_combos = ChangeCombos(args.coins)
print 'Change Combinations: {0}'.format(change_combos.combo_count(args.target))
return 0