byceps / byceps

tests/unit/util/iterables/test_index_of.py

"""
:Copyright: 2006-2020 Jochen Kupperschmidt
:License: Modified BSD, see LICENSE for details.
"""

import pytest

from byceps.util.iterables import index_of


@pytest.mark.parametrize(
    'iterable, predicate, expected',
    [
        (
            [],
            lambda x: x > 3,

The variable x does not seem to be defined.

            None,
        ),
        (
            [2, 3, 4, 5],
            lambda x: x > 1,

The variable x does not seem to be defined.

            0,
        ),
        (
            [2, 3, 4, 5],
            lambda x: x > 3,

The variable x does not seem to be defined.

            2,
        ),
        (
            [2, 3, 4, 5],
            lambda x: x > 6,

The variable x does not seem to be defined.

            None,
        ),
    ],
)
def test_index_of(iterable, predicate, expected):
    actual = index_of(iterable, predicate)
    assert actual == expected