salt/tests/unit/states/test_zk_concurrency.py
2018-01-26 13:43:11 +01:00

97 lines
3.8 KiB
Python

# -*- coding: utf-8 -*-
'''
:codeauthor: :email:`Jayesh Kariya <jayeshk@saltstack.com>`
'''
# Import Python libs
from __future__ import absolute_import, unicode_literals, print_function
# Import Salt Testing Libs
from tests.support.mixins import LoaderModuleMockMixin
from tests.support.unit import skipIf, TestCase
from tests.support.mock import (
NO_MOCK,
NO_MOCK_REASON,
MagicMock,
patch)
# Import Salt Libs
import salt.states.zk_concurrency as zk_concurrency
@skipIf(NO_MOCK, NO_MOCK_REASON)
class ZkConcurrencyTestCase(TestCase, LoaderModuleMockMixin):
'''
Validate the zk_concurrency state
'''
def setup_loader_modules(self):
return {zk_concurrency: {}}
def test_lock(self):
'''
Test to block state execution until you are able to get the lock
'''
ret = {'name': 'salt',
'changes': {},
'result': True,
'comment': ''}
with patch.dict(zk_concurrency.__opts__, {"test": True}):
ret.update({'comment': 'Attempt to acquire lock', 'result': None})
self.assertDictEqual(zk_concurrency.lock('salt', 'dude'), ret)
with patch.dict(zk_concurrency.__opts__, {"test": False}):
mock = MagicMock(return_value=True)
with patch.dict(zk_concurrency.__salt__,
{"zk_concurrency.lock": mock}):
ret.update({'comment': 'lock acquired', 'result': True})
self.assertDictEqual(zk_concurrency.lock('salt', 'dude',
'stack'), ret)
def test_unlock(self):
'''
Test to remove lease from semaphore
'''
ret = {'name': 'salt',
'changes': {},
'result': True,
'comment': ''}
with patch.dict(zk_concurrency.__opts__, {"test": True}):
ret.update({'comment': 'Released lock if it is here',
'result': None})
self.assertDictEqual(zk_concurrency.unlock('salt'), ret)
with patch.dict(zk_concurrency.__opts__, {"test": False}):
mock = MagicMock(return_value=True)
with patch.dict(zk_concurrency.__salt__,
{"zk_concurrency.unlock": mock}):
ret.update({'comment': '', 'result': True})
self.assertDictEqual(zk_concurrency.unlock('salt',
identifier='stack'),
ret)
def test_min_party(self):
'''
Test to ensure min party of nodes and the blocking behavior
'''
ret = {'name': 'salt',
'changes': {},
'result': True,
'comment': ''}
with patch.dict(zk_concurrency.__opts__, {"test": True}):
ret.update({'comment': 'Attempt to ensure min_party', 'result': None})
self.assertDictEqual(zk_concurrency.min_party('salt', 'dude', 1), ret)
with patch.dict(zk_concurrency.__opts__, {"test": False}):
mock = MagicMock(return_value=['1', '2', '3'])
with patch.dict(zk_concurrency.__salt__,
{"zk_concurrency.party_members": mock}):
ret.update({'comment': 'Currently 3 nodes, which is >= 2', 'result': True})
self.assertDictEqual(zk_concurrency.min_party('salt', 'dude', 2), ret)
ret.update({'comment': 'Blocked until 2 nodes were available. ' +
'Unblocked after 3 nodes became available', 'result': True})
self.assertDictEqual(zk_concurrency.min_party('salt', 'dude', 2, True), ret)
ret.update({'comment': 'Currently 3 nodes, which is < 4', 'result': False})
self.assertDictEqual(zk_concurrency.min_party('salt', 'dude', 4), ret)