adding states/zk_concurrency unit test case

tests/unit/states/zk_concurrency_test.py

@@ -0,0 +1,80 @@
+# -*- coding: utf-8 -*-
+'''
+    :codeauthor: :email:`Jayesh Kariya <jayeshk@saltstack.com>`
+'''
+# Import Python libs
+from __future__ import absolute_import
+
+# Import Salt Testing Libs
+from salttesting import skipIf, TestCase
+from salttesting.mock import (
+    NO_MOCK,
+    NO_MOCK_REASON,
+    MagicMock,
+    patch)
+
+from salttesting.helpers import ensure_in_syspath
+
+ensure_in_syspath('../../')
+
+# Import Salt Libs
+from salt.states import zk_concurrency
+
+# Globals
+zk_concurrency.__salt__ = {}
+zk_concurrency.__opts__ = {}
+
+
+@skipIf(NO_MOCK, NO_MOCK_REASON)
+class ZkConcurrencyTestCase(TestCase):
+    '''
+        Validate the zk_concurrency state
+    '''
+    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)
+
+
+if __name__ == '__main__':
+    from integration import run_tests
+    run_tests(ZkConcurrencyTestCase, needs_daemon=False)