mirror of
https://github.com/outbackdingo/patroni.git
synced 2026-01-28 02:20:04 +00:00
76 lines
2.1 KiB
Python
76 lines
2.1 KiB
Python
import unittest
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from mock import Mock, patch
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from patroni.exceptions import PatroniException
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from patroni.utils import Retry, RetryFailedError, reap_children, sigchld_handler, sigterm_handler, sleep
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def time_sleep(_):
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sigchld_handler(None, None)
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class TestUtils(unittest.TestCase):
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def test_sigterm_handler(self):
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self.assertRaises(SystemExit, sigterm_handler, None, None)
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@patch('time.sleep', Mock())
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def test_reap_children(self):
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reap_children()
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with patch('os.waitpid', Mock(return_value=(0, 0))):
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sigchld_handler(None, None)
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reap_children()
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@patch('time.sleep', time_sleep)
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def test_sleep(self):
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sleep(0.01)
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@patch('time.sleep', Mock())
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class TestRetrySleeper(unittest.TestCase):
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def _fail(self, times=1):
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scope = dict(times=0)
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def inner():
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if scope['times'] >= times:
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pass
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else:
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scope['times'] += 1
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raise PatroniException('Failed!')
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return inner
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def _makeOne(self, *args, **kwargs):
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return Retry(*args, **kwargs)
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def test_reset(self):
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retry = self._makeOne(delay=0, max_tries=2)
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retry(self._fail())
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self.assertEquals(retry._attempts, 1)
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retry.reset()
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self.assertEquals(retry._attempts, 0)
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def test_too_many_tries(self):
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retry = self._makeOne(delay=0)
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self.assertRaises(RetryFailedError, retry, self._fail(times=999))
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self.assertEquals(retry._attempts, 1)
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def test_maximum_delay(self):
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retry = self._makeOne(delay=10, max_tries=100)
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retry(self._fail(times=10))
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self.assertTrue(retry._cur_delay < 4000, retry._cur_delay)
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# gevent's sleep function is picky about the type
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self.assertEquals(type(retry._cur_delay), float)
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def test_deadline(self):
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retry = self._makeOne(deadline=0.0001)
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self.assertRaises(RetryFailedError, retry, self._fail(times=100))
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def test_copy(self):
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def _sleep(t):
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None
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retry = self._makeOne(sleep_func=_sleep)
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rcopy = retry.copy()
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self.assertTrue(rcopy.sleep_func is _sleep)
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