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#!/usr/bin/env python
import os
import signal
import unittest
from mozprocess import processhandler
import proctest
here = os.path.dirname(os.path.abspath(__file__))
class ProcTestPoll(proctest.ProcTest):
""" Class to test process poll """
def test_poll_before_run(self):
"""Process is not started, and poll() is called"""
p = processhandler.ProcessHandler([self.python, self.proclaunch,
"process_normal_finish_python.ini"],
cwd=here)
self.assertRaises(RuntimeError, p.poll)
def test_poll_while_running(self):
"""Process is started, and poll() is called"""
p = processhandler.ProcessHandler([self.python, self.proclaunch,
"process_normal_finish_python.ini"],
cwd=here)
p.run()
returncode = p.poll()
self.assertEqual(returncode, None)
self.determine_status(p, True)
p.kill()
def test_poll_after_kill(self):
"""Process is killed, and poll() is called"""
p = processhandler.ProcessHandler([self.python, self.proclaunch,
"process_normal_finish_python.ini"],
cwd=here)
p.run()
returncode = p.kill()
# We killed the process, so the returncode should be < 0
self.assertLess(returncode, 0)
self.assertEqual(returncode, p.poll())
self.determine_status(p)
def test_poll_after_kill_no_process_group(self):
"""Process (no group) is killed, and poll() is called"""
p = processhandler.ProcessHandler([self.python, self.proclaunch,
"process_normal_finish_no_process_group.ini"],
cwd=here,
ignore_children=True
)
p.run()
returncode = p.kill()
# We killed the process, so the returncode should be < 0
self.assertLess(returncode, 0)
self.assertEqual(returncode, p.poll())
self.determine_status(p)
def test_poll_after_double_kill(self):
"""Process is killed twice, and poll() is called"""
p = processhandler.ProcessHandler([self.python, self.proclaunch,
"process_normal_finish_python.ini"],
cwd=here)
p.run()
p.kill()
returncode = p.kill()
# We killed the process, so the returncode should be < 0
self.assertLess(returncode, 0)
self.assertEqual(returncode, p.poll())
self.determine_status(p)
def test_poll_after_external_kill(self):
"""Process is killed externally, and poll() is called"""
p = processhandler.ProcessHandler([self.python, self.proclaunch,
"process_normal_finish_python.ini"],
cwd=here)
p.run()
os.kill(p.pid, signal.SIGTERM)
returncode = p.wait()
# We killed the process, so the returncode should be < 0
self.assertEqual(returncode, -signal.SIGTERM)
self.assertEqual(returncode, p.poll())
self.determine_status(p)
if __name__ == '__main__':
unittest.main()
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