fix portchannel test

tests/portchannel_test.py

@@ -1,20 +1,38 @@
 import os
 import pytest
 import traceback
+import mock
 
 from click.testing import CliRunner
+from jsonpatch import JsonPatchConflict
 
 import config.main as config
 import show.main as show
 from utilities_common.db import Db
+from mock import patch
 
 class TestPortChannel(object):
     @classmethod
     def setup_class(cls):
         os.environ['UTILITIES_UNIT_TESTING'] = "1"
         print("SETUP")
+
+    @patch("config.main.is_portchannel_present_in_db", mock.Mock(return_value=False))
+    @patch("config.validated_config_db_connector.validated_set_entry", mock.Mock(side_effect=ValueError))
+    @mock.patch.dict(os.environ, {"ADHOC_VALIDATION": "False"})
+    def test_add_portchannel_with_invalid_name_yang_validation(self):
+        runner = CliRunner()
+        db = Db()
+        obj = {'db':db.cfgdb}
+
+        result = runner.invoke(config.config.commands["portchannel"].commands["add"], ["PortChan005"], obj=obj)
+        print(result.exit_code)
+        print(result.output)
+        assert result.exit_code != 0
+        assert "Error: PortChan005 is invalid!, name should have prefix 'PortChannel' and suffix '<0-9999>'" in result.output
+
 
-    def test_add_portchannel_with_invalid_name(self):
+    def test_add_portchannel_with_invalid_name_adhoc_validation(self):
         runner = CliRunner()
         db = Db()
         obj = {'db':db.cfgdb}