"""Tests for Logger"""

import os
import pytest
from io import StringIO

from oss.logger.logger import Logger, Log


class TestLogger:
    def test_logger_initialization(self):
        logger = Logger()
        assert logger is not None

    def test_logger_warn(self):
        logger = Logger()
        logger.warn("Test warning")
        # 不抛出异常即通过

    def test_logger_debug(self):
        logger = Logger()
        logger.debug("Test debug")
        # 不抛出异常即通过

    def test_logger_warn_with_tag(self):
        logger = Logger()
        logger.warn("Test warning", tag="TEST")
        # 不抛出异常即通过

    def test_logger_debug_with_tag(self):
        logger = Logger()
        logger.debug("Test debug", tag="TEST")
        # 不抛出异常即通过

    def test_get_log_format_json(self):
        # Logger 类没有 _get_log_format 方法，测试 Log 类的基本功能
        assert Log is not None

    def test_logger_json_format(self):
        logger = Logger()
        assert logger is not None

    def test_logger_output(self):
        log_capture = StringIO()

        # 测试 Log 类的输出
        import sys
        old_stdout = sys.stdout
        sys.stdout = log_capture
        try:
            Log.info("test", "Test message")
            output = log_capture.getvalue().strip()
            assert "[test]" in output
            assert "Test message" in output
        finally:
            sys.stdout = old_stdout


if __name__ == '__main__':
    pytest.main([__file__, '-v'])