"""
Global log unit tests.

Since global logs rely on hidden globals, these are behavior tests paired with
the get and set functions for levels and loggers.
"""

from random import randint
from unittest.mock import Mock
from unittest.mock import patch

from flows import log


def test_get_set_levels():
    """Test global log level getter and setter functions."""
    for i in range(20):
        level = randint(0, 100)
        log.set_level(level)
        assert log.get_level() == level


def test_get_set_loggers():
    """Test global logger getter and setter functions."""
    for i in range(20):
        with patch('flows.log.logger') as logger, \
                patch('flows.log.get_level') as get_level, \
                patch('flows.log.set_level') as set_level:

            level = randint(0, 100)
            mock_log = Mock()
            logger.setup.return_value = mock_log
            get_level.return_value = level

            log.set_logger(level)
            result = log.get_logger()

            set_level.assert_called_with(level)
            assert get_level.called
            assert logger.setup.call_args[0][3] == level
            assert result == mock_log