def test_count_down_bad_inputs(input_argument, capfd):
with pytest.raises(ValueError):
count_down(input_argument)
def test_count_down_float(capfd):
expected = '12.34\n12.3\n12.\n12\n1\n'
number = 12.34
count_down(number)
output = capfd.readouterr()[0]
assert output == expected
def test_count_down_good_inputs(input_argument, capfd):
count_down(input_argument)
output = capfd.readouterr()[0]
assert output == DEFAULT_EXPECTED_OUTPUT
