def test_datetime_to_epoch(self): """Test convert datetime to epoch.""" timestamp = pd.Timestamp('2013-01-01 00:00:00.000+00:00') cli = DataFrameClient('host', 8086, 'username', 'password', 'db') self.assertEqual( cli._datetime_to_epoch(timestamp), 1356998400.0 ) self.assertEqual( cli._datetime_to_epoch(timestamp, time_precision='s'), 1356998400.0 ) self.assertEqual( cli._datetime_to_epoch(timestamp, time_precision='m'), 1356998400000.0 ) self.assertEqual( cli._datetime_to_epoch(timestamp, time_precision='ms'), 1356998400000.0 ) self.assertEqual( cli._datetime_to_epoch(timestamp, time_precision='u'), 1356998400000000.0 )