pythonnet/src/tests/test_engine.py at refactor-qc-pythonnet5 · QuantConnect/pythonnet · GitHub

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# -*- 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()

except Exception:

assert False # Initialize() raise an exception.

@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()

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