def test_arg_format_fail(fmt, style, stars, value, expected):
with pytest.raises(TypeError):
af = ArgFormat('name', fmt, style, stars)
actual = af.to_text(value)
print("formatted string = {0}".format(actual))
def test_arg_format(fmt, style, stars, value, expected):
af = ArgFormat('name', fmt, style, stars)
actual = af.to_text(value)
print("formatted string = {0}".format(actual))
assert actual == expected