mirror of https://github.com/GNS3/gns3-server
parent
1bfb201368
commit
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# -*- coding: utf-8 -*-
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#
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# Copyright (C) 2015 GNS3 Technologies Inc.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import asyncio
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@asyncio.coroutine
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def wait_run_in_executor(func, *args):
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"""
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Run blocking code in a different thread and wait
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the result.
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:param func: Run this function in a different thread
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:param args: Parameters of the function
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:returns: Return the result of the function
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"""
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loop = asyncio.get_event_loop()
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future = loop.run_in_executor(None, func, *args)
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yield from asyncio.wait([future])
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return future.result()
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# -*- coding: utf-8 -*-
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#
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# Copyright (C) 2015 GNS3 Technologies Inc.
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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import asyncio
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import pytest
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from gns3server.utils.asyncio import wait_run_in_executor
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def test_wait_run_in_executor(loop):
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def change_var(param):
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return param
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exec = wait_run_in_executor(change_var, "test")
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result = loop.run_until_complete(asyncio.async(exec))
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assert result == "test"
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def test_exception_wait_run_in_executor(loop):
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def raise_exception():
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raise Exception("test")
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exec = wait_run_in_executor(raise_exception)
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with pytest.raises(Exception):
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result = loop.run_until_complete(asyncio.async(exec))
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