"""Basic tests for langfuse-mcp package."""
import logging
import sys
import pytest
def test_configure_logging_console():
"""configure_logging should honor log level and console flag."""
from langfuse_mcp.__main__ import configure_logging
configure_logging("DEBUG", True)
root_handlers = logging.getLogger().handlers
assert logging.getLogger().level == logging.DEBUG
assert any(isinstance(handler, logging.StreamHandler) for handler in root_handlers)
def test_cli_env_defaults(monkeypatch):
"""Environment variables should provide defaults for CLI flags."""
monkeypatch.setenv("LANGFUSE_PUBLIC_KEY", "env-pk")
monkeypatch.setenv("LANGFUSE_SECRET_KEY", "env-sk")
monkeypatch.setenv("LANGFUSE_HOST", "https://env-host")
monkeypatch.setenv("LANGFUSE_LOG_LEVEL", "DEBUG")
monkeypatch.setenv("LANGFUSE_LOG_TO_CONSOLE", "true")
from langfuse_mcp.__main__ import _build_arg_parser, _read_env_defaults
parser = _build_arg_parser(_read_env_defaults())
args = parser.parse_args([])
assert args.public_key == "env-pk"
assert args.secret_key == "env-sk"
assert args.host == "https://env-host"
assert args.log_level == "DEBUG"
assert args.log_to_console is True
def test_cli_requires_keys_without_env(monkeypatch):
"""Missing env and args should keep credentials required."""
monkeypatch.delenv("LANGFUSE_PUBLIC_KEY", raising=False)
monkeypatch.delenv("LANGFUSE_SECRET_KEY", raising=False)
monkeypatch.delenv("LANGFUSE_LOG_LEVEL", raising=False)
monkeypatch.delenv("LANGFUSE_LOG_TO_CONSOLE", raising=False)
monkeypatch.delenv("LANGFUSE_HOST", raising=False)
from langfuse_mcp.__main__ import _build_arg_parser, _read_env_defaults
parser = _build_arg_parser(_read_env_defaults())
with pytest.raises(SystemExit):
parser.parse_args([])
def test_package_importable():
"""Test that the package can be imported."""
# This test verifies the package can be imported
try:
import langfuse_mcp
assert langfuse_mcp.__version__ is not None
except ImportError:
pytest.fail("Failed to import langfuse_mcp package")
def test_main_module_importable():
"""Test that the main module can be imported."""
# This test verifies the main module can be imported
try:
# Use pytest.importorskip instead of direct import
pytest.importorskip("langfuse_mcp.__main__")
except ImportError:
pytest.fail("Failed to import langfuse_mcp.__main__ module")
def test_python_version():
"""Test that Python version is compatible."""
# This test verifies we're running on a compatible Python version
# (our package requires Python 3.10+)
python_version = sys.version_info
assert python_version.major == 3
assert python_version.minor >= 10, f"Python version {python_version.major}.{python_version.minor} is not supported"
