import logging
from os import environ
from unittest.mock import patch

import pytest

from bonobo import settings

TEST_SETTING = 'TEST_SETTING'


def test_to_bool():
    assert not settings.to_bool('')
    assert not settings.to_bool('FALSE')
    assert not settings.to_bool('NO')
    assert not settings.to_bool('0')

    assert settings.to_bool('yup')
    assert settings.to_bool('True')
    assert settings.to_bool('yes')
    assert settings.to_bool('1')


def test_setting():
    s = settings.Setting(TEST_SETTING)
    assert s.get() is None

    with patch.dict(environ, {TEST_SETTING: 'hello'}):
        assert s.get() is None
        s.clear()
        assert s.get() == 'hello'

    s = settings.Setting(TEST_SETTING, default='nope')
    assert s.get() is 'nope'

    with patch.dict(environ, {TEST_SETTING: 'hello'}):
        assert s.get() == 'nope'
        s.clear()
        assert s.get() == 'hello'


def test_default_settings():
    settings.clear_all()

    assert settings.DEBUG.get() == False
    assert settings.PROFILE.get() == False
    assert settings.QUIET.get() == False
    assert settings.LOGGING_LEVEL.get() == logging._checkLevel('INFO')

    with patch.dict(environ, {'DEBUG': 't'}):
        settings.clear_all()
        assert settings.LOGGING_LEVEL.get() == logging._checkLevel('DEBUG')

    settings.clear_all()


def test_check():
    settings.check()
    with patch.dict(environ, {'DEBUG': 't', 'PROFILE': 't', 'QUIET': 't'}):
        settings.clear_all()
        with pytest.raises(RuntimeError):
            settings.check()
    settings.clear_all()