mirror of
https://github.com/wassname/catalyst.git
synced 2026-07-02 01:35:40 +08:00
Eddie Hebert
70 lines
2.1 KiB
Python
70 lines
2.1 KiB
Python
#
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# Copyright 2012 Quantopian, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import os
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from signal import signal, SIGHUP, SIGINT
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import time
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from types import FrameType
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import unittest
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from zipline.utils.delayed_signals import delayed_signals
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class DelayedSignals(unittest.TestCase):
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def handler(self, signum, frame):
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print "Got signal " + str(signum)
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self.got[signum] = time.time()
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self.assertTrue(isinstance(frame, FrameType))
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def setUp(self):
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signal(SIGHUP, self.handler)
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signal(SIGINT, self.handler)
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def reset(self):
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self.got = {}
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def test_delayed_signals(self):
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self.reset()
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with delayed_signals([SIGHUP]):
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os.kill(os.getpid(), SIGHUP)
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time.sleep(2)
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self.assertTrue(self.got[SIGHUP])
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self.assertTrue(time.time() - self.got[SIGHUP] < 2)
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def test_immediate_signals(self):
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self.reset()
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os.kill(os.getpid(), SIGHUP)
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time.sleep(2)
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self.assertTrue(self.got[SIGHUP])
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self.assertTrue(time.time() - self.got[SIGHUP] > 1)
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def test_multiple_signals(self):
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self.reset()
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with delayed_signals([SIGHUP, SIGINT]):
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os.kill(os.getpid(), SIGINT)
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self.assertFalse(SIGHUP in self.got)
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self.assertTrue(SIGINT in self.got)
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@delayed_signals([SIGHUP])
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def kill_and_sleep(self):
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os.kill(os.getpid(), SIGHUP)
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time.sleep(2)
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def test_decorator(self):
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self.reset()
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self.kill_and_sleep()
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self.assertTrue(SIGHUP in self.got)
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self.assertTrue(time.time() - self.got[SIGHUP] < 2)
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