import os

import pytest

from . import testutil

@pytest.fixture(scope='session', autouse=True)

def clean_environment(tmpdir_factory):

    os.environ.pop('RTAUTH', None)

    os.environ.pop('RTPASSWD', None)

    os.environ.pop('RTSERVER', None)

    os.environ.pop('RTUSER', None)

    os.environ['CONSERVANCY_REPOSITORY'] = str(testutil.test_path('repository'))

    os.environ['XDG_CACHE_HOME'] = str(tmpdir_factory.mktemp('.cache'))

        config = config_mod.Config()

        cache_path = config.cache_dir_path(expected.name)

    assert cache_path == expected

def test_cache_path_conflict(tmp_path):

    extant_path = tmp_path / 'TESTcache'

    extant_path.touch()

    with update_environ(XDG_CACHE_HOME=tmp_path):

        config = config_mod.Config()

        cache_path = config.cache_dir_path(extant_path.name)

    assert cache_path is None

    assert extant_path.is_file()

def test_cache_path_parent_conflict(tmp_path):

    (tmp_path / '.cache').touch()

    with update_environ(HOME=tmp_path, XDG_CACHE_HOME=None):

        config = config_mod.Config()

        assert config.cache_dir_path('TESTcache') is None

def test_relative_xdg_cache_home_ignored(tmp_path):

    with update_environ(HOME=tmp_path,

                        XDG_CACHE_HOME='nonexistent/test/cache/directory/tree'):

        config = config_mod.Config()

        cache_dir_path = config.cache_dir_path('TESTcache')

    assert cache_dir_path == tmp_path / '.cache/TESTcache'

def test_payment_threshold():

    threshold = config_mod.Config().payment_threshold()

    assert threshold == 0

    assert isinstance(threshold, (int, decimal.Decimal))

@pytest.mark.parametrize('config_path', [

    None,

    '',

    'nonexistent/relative/path',

])

def test_config_file_path(config_path):

    expected = Path('~/.config/conservancy_beancount/config.ini').expanduser()

    with update_environ(XDG_CONFIG_HOME=config_path):

        config = config_mod.Config()

        assert config.config_file_path() == expected

def test_config_file_path_respects_xdg_config_home():

    with update_environ(XDG_CONFIG_HOME='/etc'):

        config = config_mod.Config()

        assert config.config_file_path() == Path('/etc/conservancy_beancount/config.ini')

def test_config_file_path_with_subdir():

    config = config_mod.Config()

    assert config.config_file_path('conftest') == expected