Of pytest and lru_cache in Python

levitation_fixed_test.py

from unittest import mock

import pytest


@pytest.mark.parametrize(
    'ordinary_object',
    [
        'quill',
        'cushion',
        'cauldron',
    ],
)
def test_levitate_casts_a_spell(ordinary_object):
    with mock.patch(
        'levitation.cast_spell',
        autospec=True,
    ) as patched_cast_spell:
        levitate.cache_clear()

        levitate(ordinary_object)

        patched_cast_spell.assert_called_once_with(target=ordinary_object)