from src.codewars.kata_rgb_2_hex import rgb
import pytest


@pytest.mark.parametrize(
    ("r", "g", "b", "expected"),
    [
        (0, 0, 0, "000000"),
        (1, 2, 3, "010203"),
        (255, 255, 255, "FFFFFF"),
        (254, 253, 252, "FEFDFC"),
        (-20, 275, 125, "00FF7D"),
    ],
)
def test_rgb_2_hex(r, g, b, expected):
    assert rgb(r, g, b) == expected