adding states/memcached unit test case

tests/unit/states/memcached_test.py

@@ -0,0 +1,108 @@
+# -*- 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
+from salt.exceptions import CommandExecutionError
+
+ensure_in_syspath('../../')
+
+# Import Salt Libs
+from salt.states import memcached
+
+memcached.__salt__ = {}
+memcached.__opts__ = {}
+
+
+@skipIf(NO_MOCK, NO_MOCK_REASON)
+class MemcachedTestCase(TestCase):
+    '''
+    Test cases for salt.states.memcached
+    '''
+    # 'managed' function tests: 1
+
+    def test_managed(self):
+        '''
+        Test to manage a memcached key.
+        '''
+        name = 'foo'
+
+        ret = {'name': name,
+               'result': False,
+               'comment': '',
+               'changes': {}}
+
+        mock_t = MagicMock(side_effect=[CommandExecutionError, 'salt', True,
+                                        True, True])
+        with patch.dict(memcached.__salt__, {'memcached.get': mock_t,
+                                             'memcached.set': mock_t}):
+            self.assertDictEqual(memcached.managed(name), ret)
+
+            comt = ("Key 'foo' does not need to be updated")
+            ret.update({'comment': comt, 'result': True})
+            self.assertDictEqual(memcached.managed(name, 'salt'), ret)
+
+            with patch.dict(memcached.__opts__, {'test': True}):
+                comt = ("Value of key 'foo' would be changed")
+                ret.update({'comment': comt, 'result': None})
+                self.assertDictEqual(memcached.managed(name, 'salt'), ret)
+
+            with patch.dict(memcached.__opts__, {'test': False}):
+                comt = ("Successfully set key 'foo'")
+                ret.update({'comment': comt, 'result': True,
+                            'changes': {'new': 'salt', 'old': True}})
+                self.assertDictEqual(memcached.managed(name, 'salt'), ret)
+
+    # 'absent' function tests: 1
+
+    def test_absent(self):
+        '''
+        Test to ensure that a memcached key is not present.
+        '''
+        name = 'foo'
+
+        ret = {'name': name,
+               'result': False,
+               'comment': '',
+               'changes': {}}
+
+        mock_t = MagicMock(side_effect=[CommandExecutionError, 'salt', None,
+                                        True, True, True])
+        with patch.dict(memcached.__salt__, {'memcached.get': mock_t,
+                                             'memcached.delete': mock_t}):
+            self.assertDictEqual(memcached.absent(name), ret)
+
+            comt = ("Value of key 'foo' ('salt') is not 'bar'")
+            ret.update({'comment': comt, 'result': True})
+            self.assertDictEqual(memcached.absent(name, 'bar'), ret)
+
+            comt = ("Key 'foo' does not exist")
+            ret.update({'comment': comt})
+            self.assertDictEqual(memcached.absent(name), ret)
+
+            with patch.dict(memcached.__opts__, {'test': True}):
+                comt = ("Key 'foo' would be deleted")
+                ret.update({'comment': comt, 'result': None})
+                self.assertDictEqual(memcached.absent(name), ret)
+
+            with patch.dict(memcached.__opts__, {'test': False}):
+                comt = ("Successfully deleted key 'foo'")
+                ret.update({'comment': comt, 'result': True,
+                            'changes': {'key deleted': 'foo', 'value': True}})
+                self.assertDictEqual(memcached.absent(name), ret)
+
+
+if __name__ == '__main__':
+    from integration import run_tests
+    run_tests(MemcachedTestCase, needs_daemon=False)