import pytest
from unittest import mock
from openrewind.config import get_appdata_folder

def test_get_appdata_folder_windows(tmp_path):
    with mock.patch('sys.platform', 'win32'):
        with mock.patch.dict('os.environ', {'APPDATA': str(tmp_path)}):
            expected_path = tmp_path / 'openrecall'
            assert get_appdata_folder() == str(expected_path)
            assert expected_path.exists()

def test_get_appdata_folder_windows_no_appdata():
    with mock.patch('sys.platform', 'win32'):
        with mock.patch.dict('os.environ', {}, clear=True):
            with pytest.raises(EnvironmentError, match="APPDATA environment variable is not set."):
                get_appdata_folder()

def test_get_appdata_folder_darwin(tmp_path):
    with mock.patch('sys.platform', 'darwin'):
        with mock.patch('os.path.expanduser', return_value=str(tmp_path)):
            expected_path = tmp_path / 'Library' / 'Application Support' / 'openrecall'
            assert get_appdata_folder() == str(expected_path)
            assert expected_path.exists()

def test_get_appdata_folder_linux(tmp_path):
    with mock.patch('sys.platform', 'linux'):
        with mock.patch('os.path.expanduser', return_value=str(tmp_path)):
            expected_path = tmp_path / '.local' / 'share' / 'openrecall'
            assert get_appdata_folder() == str(expected_path)
            assert expected_path.exists()