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Contents
import unittest
from change import find_minimum_coins
# Tests adapted from `problem-specifications//canonical-data.json` @ v1.1.0
class ChangeTest(unittest.TestCase):
def test_single_coin_change(self):
self.assertEqual(find_minimum_coins(25, [1, 5, 10, 25, 100]), [25])
def test_multiple_coin_change(self):
self.assertEqual(find_minimum_coins(15, [1, 5, 10, 25, 100]), [5, 10])
def test_change_with_Lilliputian_Coins(self):
self.assertEqual(find_minimum_coins(23, [1, 4, 15, 20, 50]),
[4, 4, 15])
def test_change_with_Lower_Elbonia_Coins(self):
self.assertEqual(find_minimum_coins(63, [1, 5, 10, 21, 25]),
[21, 21, 21])
def test_large_target_values(self):
self.assertEqual(find_minimum_coins(999, [1, 2, 5, 10, 20, 50, 100]),
[2, 2, 5, 20, 20, 50, 100, 100, 100,
100, 100, 100, 100, 100, 100])
def test_possible_change_without_unit_coins_available(self):
self.assertEqual(find_minimum_coins(21, [2, 5, 10, 20, 50]),
[2, 2, 2, 5, 10])
def test_another_possible_change_without_unit_coins_available(self):
self.assertEqual(find_minimum_coins(27, [4, 5]),
[4, 4, 4, 5, 5, 5])
def test_no_coins_make_0_change(self):
self.assertEqual(find_minimum_coins(0, [1, 5, 10, 21, 25]), [])
def test_error_testing_for_change_smaller_than_smallest_coin(self):
self.assertEqual(find_minimum_coins(3, [5, 10]), -1)
def test_error_if_no_combination_can_add_up_to_target(self):
self.assertEqual(find_minimum_coins(94, [5, 10]), -1)
def test_cannot_find_negative_change_values(self):
self.assertEqual(find_minimum_coins(-5, [1, 2, 5]), -1)
if __name__ == "__main__":
unittest.main()
Version data entries
53 entries across 53 versions & 1 rubygems