mirror of
https://github.com/outbackdingo/patroni.git
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f1c6b0bebe
* pg_rewind error messages contain '/' as directory separator * fix Raft unit tests on win * fix validator unit tests on win * fix keepalive unit tests on win * make standby cluster behave tests less shaky
90 lines
3.2 KiB
Python
90 lines
3.2 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, enable_keepalive, polling_loop, validate_directory
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class TestUtils(unittest.TestCase):
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def test_polling_loop(self):
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self.assertEqual(list(polling_loop(0.001, interval=0.001)), [0])
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@patch('os.path.exists', Mock(return_value=True))
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@patch('os.path.isdir', Mock(return_value=True))
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@patch('tempfile.mkstemp', Mock(return_value=("", "")))
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@patch('os.remove', Mock(side_effect=Exception))
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def test_validate_directory_writable(self):
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self.assertRaises(Exception, validate_directory, "/tmp")
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@patch('os.path.exists', Mock(return_value=True))
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@patch('os.path.isdir', Mock(return_value=True))
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@patch('tempfile.mkstemp', Mock(side_effect=OSError))
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def test_validate_directory_not_writable(self):
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self.assertRaises(PatroniException, validate_directory, "/tmp")
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@patch('os.path.exists', Mock(return_value=False))
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@patch('os.makedirs', Mock(side_effect=OSError))
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def test_validate_directory_couldnt_create(self):
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self.assertRaises(PatroniException, validate_directory, "/tmp")
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@patch('os.path.exists', Mock(return_value=True))
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@patch('os.path.isdir', Mock(return_value=False))
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def test_validate_directory_is_not_a_directory(self):
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self.assertRaises(PatroniException, validate_directory, "/tmp")
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def test_enable_keepalive(self):
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with patch('socket.SIO_KEEPALIVE_VALS', 1, create=True):
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self.assertIsNotNone(enable_keepalive(Mock(), 10, 5))
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with patch('socket.SIO_KEEPALIVE_VALS', None, create=True):
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for platform in ('linux2', 'darwin', 'other'):
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with patch('sys.platform', platform):
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self.assertIsNone(enable_keepalive(Mock(), 10, 5))
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@patch('time.sleep', Mock())
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class TestRetrySleeper(unittest.TestCase):
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@staticmethod
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def _fail(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 test_reset(self):
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retry = Retry(delay=0, max_tries=2)
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retry(self._fail())
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self.assertEqual(retry._attempts, 1)
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retry.reset()
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self.assertEqual(retry._attempts, 0)
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def test_too_many_tries(self):
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retry = Retry(delay=0)
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self.assertRaises(RetryFailedError, retry, self._fail(times=999))
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self.assertEqual(retry._attempts, 1)
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def test_maximum_delay(self):
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retry = Retry(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.assertEqual(type(retry._cur_delay), float)
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def test_deadline(self):
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retry = Retry(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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pass
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retry = Retry(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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