from src.tutorial.testing.practice.catching_exeptions import double_integers
import pytest


@pytest.mark.parametrize(
    ("input", "expected"),
    [
        ([1, 2, 3], [2, 4, 6]),
        ([5], [10]),
        ([100, 900, -2], [200, 1800, -4]),
    ],
)
def test_double_integers(input, expected):
    assert double_integers(input) == expected


def test_argument_is_list():
    with pytest.raises(TypeError, match="data must be a list"):
        double_integers(4)


def test_list_with_integers_only():
    with pytest.raises(TypeError, match="data may contain only integers"):
        double_integers([4, 3, 2, "str"])