import os
from unittest.mock import patch
import logging
import pytest
from scouter.utils.logger import get_logger


@pytest.fixture
def mock_env_vars():
    with patch.dict(os.environ, {}, clear=True):
        yield


@pytest.mark.usefixtures("mock_env_vars")
@patch('scouter.utils.logger.logging.Formatter')
@patch('scouter.utils.logger.logging.StreamHandler')
def test_get_logger_defaults(mock_stream_handler, mock_formatter):
    """Test logger creation with default settings"""
    # Mock the StreamHandler and Formatter

    logger = get_logger('test_logger')

    # Verify logger settings
    assert logger.name == 'test_logger'
    assert logger.level == logging.INFO

    # Verify handler configuration
    mock_stream_handler.return_value.setLevel.assert_called_once_with('INFO')
    mock_stream_handler.return_value.setFormatter.assert_called_once()

    # Verify formatter configuration
    mock_formatter.assert_called_once_with(
        '%(asctime)s - %(name)s - %(levelname)s - %(message)s'
    )

    # Verify handler was added to logger
    assert len(logger.handlers) == 1