Add unit test for RemoteOperation logging.

Co-authored-by: NJamie McAtamney <jmcatamney@pivotal.io>
Co-authored-by: NShoaib Lari <slari@pivotal.io>

gpMgmt/bin/gppylib/operations/test/unit/test_unit_utils.py

@@ -10,7 +10,7 @@ from gppylib.operations.test_utils_helper import TestOperation, RaiseOperation,
     RaiseOperation_Unsafe, RaiseOperation_Unpicklable, RaiseOperation_Safe, MyException, ExceptionWithArgs
 from operations.unix import ListFiles
 from test.unit.gp_unittest import GpTestCase, run_tests
-
+from mock import patch, MagicMock
 
 class UtilsTestCase(GpTestCase):
     """
@@ -101,6 +101,17 @@ class UtilsTestCase(GpTestCase):
         with self.assertRaises(Exception):
             ParallelOperation([ListFiles("/tmp")], 0).run()
 
+    @patch('gppylib.commands.base.logger.debug')
+    @patch('pickle.loads')
+    @patch('gppylib.operations.utils.Command')
+    @patch('os.path.split', return_value = '/')
+    def test_RemoteOperation_logger_debug(self, mock_split, mock_cmd, mock_lods, mock_debug):
+        mock_cmd.run = MagicMock()
+        mockRemoteOperation = RemoteOperation(operation=TestOperation(), host="sdw1", dbid=2)
+        mockRemoteOperation.execute()
+        mock_debug.assert_called()
+        first_call = mock_debug.call_args_list[0]
+        self.assertTrue(first_call.startswith("Output for dbid 2 for host sdw1:"))
 
 if __name__ == '__main__':
     run_tests()