mirror of
https://github.com/outbackdingo/patroni.git
synced 2026-01-27 10:20:10 +00:00
99 lines
3.6 KiB
Python
99 lines
3.6 KiB
Python
import unittest
|
|
|
|
from mock import Mock, patch
|
|
from patroni.exceptions import PatroniException
|
|
from patroni.utils import Retry, RetryFailedError, enable_keepalive, find_executable, polling_loop, validate_directory
|
|
|
|
|
|
class TestUtils(unittest.TestCase):
|
|
|
|
def test_polling_loop(self):
|
|
self.assertEqual(list(polling_loop(0.001, interval=0.001)), [0])
|
|
|
|
@patch('os.path.exists', Mock(return_value=True))
|
|
@patch('os.path.isdir', Mock(return_value=True))
|
|
@patch('tempfile.mkstemp', Mock(return_value=("", "")))
|
|
@patch('os.remove', Mock(side_effect=Exception))
|
|
def test_validate_directory_writable(self):
|
|
self.assertRaises(Exception, validate_directory, "/tmp")
|
|
|
|
@patch('os.path.exists', Mock(return_value=True))
|
|
@patch('os.path.isdir', Mock(return_value=True))
|
|
@patch('tempfile.mkstemp', Mock(side_effect=OSError))
|
|
def test_validate_directory_not_writable(self):
|
|
self.assertRaises(PatroniException, validate_directory, "/tmp")
|
|
|
|
@patch('os.path.exists', Mock(return_value=False))
|
|
@patch('os.makedirs', Mock(side_effect=OSError))
|
|
def test_validate_directory_couldnt_create(self):
|
|
self.assertRaises(PatroniException, validate_directory, "/tmp")
|
|
|
|
@patch('os.path.exists', Mock(return_value=True))
|
|
@patch('os.path.isdir', Mock(return_value=False))
|
|
def test_validate_directory_is_not_a_directory(self):
|
|
self.assertRaises(PatroniException, validate_directory, "/tmp")
|
|
|
|
def test_enable_keepalive(self):
|
|
with patch('socket.SIO_KEEPALIVE_VALS', 1, create=True):
|
|
self.assertIsNotNone(enable_keepalive(Mock(), 10, 5))
|
|
with patch('socket.SIO_KEEPALIVE_VALS', None, create=True):
|
|
for platform in ('linux2', 'darwin', 'other'):
|
|
with patch('sys.platform', platform):
|
|
self.assertIsNone(enable_keepalive(Mock(), 10, 5))
|
|
|
|
@patch('sys.platform', 'win32')
|
|
def test_find_executable(self):
|
|
with patch('os.path.isfile', Mock(return_value=True)):
|
|
self.assertEqual(find_executable('vim'), 'vim.exe')
|
|
with patch('os.path.isfile', Mock(return_value=False)):
|
|
self.assertIsNone(find_executable('vim'))
|
|
with patch('os.path.isfile', Mock(side_effect=[False, True])):
|
|
self.assertEqual(find_executable('vim', '/'), '/vim.exe')
|
|
|
|
|
|
@patch('time.sleep', Mock())
|
|
class TestRetrySleeper(unittest.TestCase):
|
|
|
|
@staticmethod
|
|
def _fail(times=1):
|
|
scope = dict(times=0)
|
|
|
|
def inner():
|
|
if scope['times'] >= times:
|
|
pass
|
|
else:
|
|
scope['times'] += 1
|
|
raise PatroniException('Failed!')
|
|
return inner
|
|
|
|
def test_reset(self):
|
|
retry = Retry(delay=0, max_tries=2)
|
|
retry(self._fail())
|
|
self.assertEqual(retry._attempts, 1)
|
|
retry.reset()
|
|
self.assertEqual(retry._attempts, 0)
|
|
|
|
def test_too_many_tries(self):
|
|
retry = Retry(delay=0)
|
|
self.assertRaises(RetryFailedError, retry, self._fail(times=999))
|
|
self.assertEqual(retry._attempts, 1)
|
|
|
|
def test_maximum_delay(self):
|
|
retry = Retry(delay=10, max_tries=100)
|
|
retry(self._fail(times=10))
|
|
self.assertTrue(retry._cur_delay < 4000, retry._cur_delay)
|
|
# gevent's sleep function is picky about the type
|
|
self.assertEqual(type(retry._cur_delay), float)
|
|
|
|
def test_deadline(self):
|
|
retry = Retry(deadline=0.0001)
|
|
self.assertRaises(RetryFailedError, retry, self._fail(times=100))
|
|
|
|
def test_copy(self):
|
|
def _sleep(t):
|
|
pass
|
|
|
|
retry = Retry(sleep_func=_sleep)
|
|
rcopy = retry.copy()
|
|
self.assertTrue(rcopy.sleep_func is _sleep)
|