dev(narugo): add level system for tr_lru_cache function

import time

from concurrent.futures import ThreadPoolExecutor

from unittest.mock import patch

import pytest

from imgutils.utils import ts_lru_cache

from imgutils.utils.cache import _get_context_key

@pytest.fixture

        assert func(2) == 4  # This should calculate again

        assert call_count == 6

@pytest.fixture

def reset_threading_ident():

    original_get_ident = threading.get_ident

    yield

    threading.get_ident = original_get_ident

@pytest.fixture

def mock_os_getpid():

    with patch('os.getpid', return_value=12345) as mock_getpid:

        yield mock_getpid

@pytest.fixture

def mock_threading_get_ident():

    with patch('threading.get_ident', return_value=67890) as mock_get_ident:

        yield mock_get_ident

@pytest.mark.unittest

class TestGetContextKey:

    def test_global_level(self):

        assert _get_context_key('global') is None

    def test_process_level(self, mock_os_getpid):

        assert _get_context_key('process') == 12345

        mock_os_getpid.assert_called_once()

    def test_thread_level(self, mock_os_getpid, mock_threading_get_ident):

        assert _get_context_key('thread') == (12345, 67890)

        mock_os_getpid.assert_called_once()

        mock_threading_get_ident.assert_called_once()

    def test_invalid_level(self):

        with pytest.raises(ValueError) as excinfo:

            _get_context_key('invalid')

        assert "Invalid cache level" in str(excinfo.value)

        assert "'global', 'process' or 'thread' expected but 'invalid' found" in str(excinfo.value)

    def test_default_level(self):

        # Test that the default level is 'global'

        assert _get_context_key() is None