import re

import pytest

import vban_cmd
from tests import vban


class TestErrors:
    __test__ = True

    def test_it_tests_an_unknown_kind(self):
        with pytest.raises(
            vban_cmd.error.VBANCMDError,
            match="Unknown Voicemeeter kind 'unknown_kind'",
        ):
            vban_cmd.api('unknown_kind')

    def test_it_tests_an_unknown_config_name(self):
        EXPECTED_MSG = '\n'.join(
            (
                "No config with name 'unknown' is loaded into memory",
                f'Known configs: {list(vban.configs.keys())}',
            )
        )
        with pytest.raises(vban_cmd.error.VBANCMDError, match=re.escape(EXPECTED_MSG)):
            vban.apply_config('unknown')

    def test_it_tests_an_invalid_config_key(self):
        CONFIG = {
            'strip-0': {'A1': True, 'B1': True, 'gain': -6.0},
            'bus-0': {'mute': True, 'eq': {'on': True}},
            'unknown-0': {'state': True},
            'vban-out-1': {'name': 'streamname'},
        }
        with pytest.raises(ValueError, match="invalid config key 'unknown-0'"):
            vban.apply(CONFIG)