import pytest

import cc1101

_FREQUENCY_CONTROL_WORD_HERTZ_PARAMS = [
    ([0x10, 0xA7, 0x62], 433000000),
    ([0x10, 0xAB, 0x85], 433420000),
    ([0x10, 0xB1, 0x3B], 434000000),
    ([0x21, 0x62, 0x76], 868000000),
]


@pytest.mark.parametrize(
    ("control_word", "hertz"), _FREQUENCY_CONTROL_WORD_HERTZ_PARAMS
)
def test__frequency_control_word_to_hertz(control_word, hertz):
    assert cc1101.CC1101._frequency_control_word_to_hertz(
        control_word
    ) == pytest.approx(hertz, abs=200)


@pytest.mark.parametrize(
    ("control_word", "hertz"), _FREQUENCY_CONTROL_WORD_HERTZ_PARAMS
)
def test__hertz_to_frequency_control_word(control_word, hertz):
    assert cc1101.CC1101._hertz_to_frequency_control_word(hertz) == control_word