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gns3-server/tests/utils/test_asyncio.py
2024-05-09 17:53:02 +07:00

78 lines
2.1 KiB
Python

# -*- coding: utf-8 -*-
#
# Copyright (C) 2015 GNS3 Technologies Inc.
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import asyncio
import pytest
import sys
from unittest.mock import MagicMock
from gns3server.utils.asyncio import wait_run_in_executor, subprocess_check_output, wait_for_process_termination, locking
from tests.utils import AsyncioMagicMock
@pytest.mark.asyncio
async def test_wait_run_in_executor():
def change_var(param):
return param
result = await wait_run_in_executor(change_var, "test")
assert result == "test"
@pytest.mark.asyncio
async def test_exception_wait_run_in_executor():
def raise_exception():
raise Exception("test")
with pytest.raises(Exception):
await wait_run_in_executor(raise_exception)
@pytest.mark.asyncio
async def test_subprocess_check_output(tmpdir):
path = str(tmpdir / "test")
result = await subprocess_check_output("echo", "-n", path)
assert result == path
@pytest.mark.asyncio
async def test_lock_decorator():
"""
The test check if the the second call to method_to_lock wait for the
first call to finish
"""
class TestLock:
def __init__(self):
self._test_val = 0
@locking
async def method_to_lock(self):
result = self._test_val
await asyncio.sleep(0.1)
self._test_val += 1
return result
i = TestLock()
res = set(await asyncio.gather(i.method_to_lock(), i.method_to_lock()))
assert res == set((0, 1,)) # We use a set to test this to avoid order issue