Fix sfputil CLI failure for multi-asic platforms (#3168) (#3181)

Fix sfputil CLI failure for multi-asic platforms

Author: longhuan-cisco

sfputil/main.py

@@ -23,6 +23,7 @@
 from utilities_common.sfp_helper import covert_application_advertisement_to_output_string
 from utilities_common.sfp_helper import QSFP_DATA_MAP
 from tabulate import tabulate
+from utilities_common.general import load_db_config
 
 VERSION = '3.0'
 
@@ -548,6 +549,7 @@ def load_sfputilhelper():
 
 
 def load_port_config():
+    load_db_config()
     try:
         if multi_asic.is_multi_asic():
             # For multi ASIC platforms we pass DIR of port_config_file_path and the number of asics

tests/sfputil_test.py

@@ -999,4 +999,14 @@ def test_target_firmware(self, mock_chassis):
         assert result.output == 'Target Mode set failed!\n'
         assert result.exit_code == EXIT_FAIL
 
-        
+    @patch('sfputil.main.multi_asic.is_multi_asic')
+    @patch('sfputil.main.platform_sfputil', MagicMock())
+    @patch('sfputil.main.device_info.get_paths_to_platform_and_hwsku_dirs',
+        MagicMock(return_value=(None, None)))
+    @patch('sfputil.main.device_info.get_path_to_port_config_file', MagicMock(return_value=('')))
+    def test_load_port_config(self, mock_is_multi_asic):
+        mock_is_multi_asic.return_value = True
+        assert sfputil.load_port_config() == True
+
+        mock_is_multi_asic.return_value = False
+        assert sfputil.load_port_config() == True