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import asyncio
import asyncio.subprocess
import os
import sys
import unittest
class SubprocessTestCase(unittest.TestCase):
def setUp(self):
policy = asyncio.get_event_loop_policy()
if os.name == 'nt':
self.loop = asyncio.ProactorEventLoop()
else:
self.loop = policy.new_event_loop()
# ensure that the event loop is passed explicitly in the code
policy.set_event_loop(None)
def test_shell(self):
args = [sys.executable, '-c', 'pass']
@asyncio.coroutine
def run():
return (yield from asyncio.subprocess.call(*args, loop=self.loop))
exitcode = self.loop.run_until_complete(run())
self.assertEqual(exitcode, 0)
if __name__ == '__main__':
unittest.main()
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