def test_check_coins_in_with_invalid_coins(self):
with self.assertRaises(AssertionError):
count_coins_in([1, 3, 10, 20])
def test_check_coins_in_with_valid_coins(self):
self.assertEqual(count_coins_in([1, 1, 10, 10, 20]), 42)
def test_check_coins_in_with_invalid_coins():
with pytest.raises(AssertionError):
count_coins_in([1, 3, 10, 20])
def test_correctness_of_change(self):
money_in = count_coins_in(self.coins_in)
change = compute_total_change(money_in, self.purchase)
coins_out = compute_change_coins(change)
self.assertDictEqual(coins_out, self.expected_change)
def test_check_coins_in_with_valid_coins():
assert count_coins_in([1, 1, 10, 10, 20]) == 42
