# -*- coding: utf-8 -*-

"""Test PythonEngine embedding APIs."""

import sys

import System
import pytest
from Python.Runtime import PythonEngine


def test_multiple_calls_to_initialize():
 """Test that multiple initialize calls are harmless."""
 try:
 PythonEngine.Initialize()
 PythonEngine.Initialize()
 PythonEngine.Initialize()
 except Exception:
 assert False # Initialize() raise an exception.


def test_supported_version():
 major, minor, build, *_ = sys.version_info
 ver = System.Version(major, minor, build)
 assert PythonEngine.IsSupportedVersion(ver)
 assert ver >= PythonEngine.MinSupportedVersion
 assert ver <= PythonEngine.MaxSupportedVersion


@pytest.mark.skip(reason="FIXME: test crashes")
def test_import_module():
 """Test module import."""
 m = PythonEngine.ImportModule("sys")
 n = m.GetAttr("__name__")
 assert n.AsManagedObject(System.String) == "sys"


@pytest.mark.skip(reason="FIXME: test freezes")
def test_run_string():
 """Test the RunString method."""
 PythonEngine.AcquireLock()

 code = "import sys; sys.singleline_worked = 1"
 PythonEngine.RunString(code)
 assert sys.singleline_worked == 1

 code = "import sys\nsys.multiline_worked = 1"
 PythonEngine.RunString(code)
 assert sys.multiline_worked == 1

 PythonEngine.ReleaseLock()

def test_leak_type():
 import clr
 sys._leaked_intptr = clr.GetClrType(System.IntPtr)