import pytest

from slz_config.utils import get_param


@pytest.mark.parametrize(
    'param, sources, default, expected', [
        ('1', [
            {
                '1': 2
            },
            {
                '1': 3
            },
        ], 4, 2),
        ('1', [
            {
                '2': 2
            },
            {
                '1': 3
            },
        ], 4, 3),
        ('3', [
            {
                '1': 2
            },
            {
                '1': 3
            },
        ], None, None),
        ('3', [
            {
                '1': 2
            },
            {
                '1': 3
            },
        ], 4, 4),
        ('3', [
            {},
            {},
            {},
            {},
            {},
        ], 4, 4),
        ('3', [], 4, 4),
    ]
)
def test_get_param(param, sources, default, expected):
    actual = get_param(param, *sources, default=default)
    assert actual == expected