cache runner test: add new unit tests

tests/unit/runners/__init__.py

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+# -*- coding: utf-8 -*-

tests/unit/runners/cache_test.py

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+# -*- coding: utf-8 -*-
+'''
+unit tests for the cache runner
+'''
+
+# Import Python Libs
+from __future__ import absolute_import
+
+# Import Salt Testing Libs
+from salttesting import skipIf, TestCase
+from salttesting.helpers import ensure_in_syspath
+from salttesting.mock import (
+    NO_MOCK,
+    NO_MOCK_REASON,
+    patch
+)
+
+ensure_in_syspath('../../')
+
+# Import Salt Libs
+from salt.runners import cache
+import salt.utils
+
+cache.__opts__ = {}
+cache.__salt__ = {}
+
+
+@skipIf(NO_MOCK, NO_MOCK_REASON)
+class CacheTest(TestCase):
+    '''
+    Validate the cache runner
+    '''
+    def test_grains(self):
+        '''
+        test cache.grains runner
+        '''
+        mock_minion = ['Larry']
+        mock_ret = {}
+        self.assertEqual(cache.grains(minion=mock_minion), mock_ret)
+
+        mock_data = 'grain stuff'
+        mock_outputter = 'deprecated'
+
+        class MockMaster(object):
+            def __init__(self, *args, **kwargs):
+                pass
+
+            def get_minion_grains(self):
+                return mock_data
+
+        mock_ret = {'outputter': mock_outputter, 'data': mock_data}
+        with patch.object(salt.utils.master, 'MasterPillarUtil', MockMaster):
+            self.assertEqual(cache.grains(outputter=mock_outputter), mock_ret)
+
+        mock_outputter = None
+        with patch.object(salt.utils.master, 'MasterPillarUtil', MockMaster):
+            self.assertEqual(cache.grains(outputter=mock_outputter), mock_data)
+
+
+if __name__ == '__main__':
+    from integration import run_tests
+    run_tests(CacheTest, needs_daemon=False)