Additional error condition check

src/core/src/core_logic/ExecutionConfig.py

@@ -19,6 +19,8 @@
 import json
 import os
 import uuid
+from types import NoneType
+
 from core.src.bootstrap.Constants import Constants
 
 
@@ -117,6 +119,9 @@ def __get_max_patch_publish_date(self, health_store_id):
     def __get_max_patch_publish_date_from_inclusions(self, included_package_name_mask_list):
         # type (str) -> str
         # This is for AzGPS mitigation mode execution for Strict safe-deployment of patches.
+        if included_package_name_mask_list is None:
+            return str()
+
         mitigation_mode_flag = False
         mitigation_mode_flag_pos = -1
         candidate = str()

src/core/tests/Test_AptitudePackageManager.py

@@ -631,6 +631,15 @@ def test_maxpatchpublishdate_mitigation_mode(self):
         self.assertEqual(len(execution_config.included_package_name_mask_list), 4)
         self.runtime.stop()
 
+        # no patches to include set (assessment)
+        argument_composer = ArgumentComposer()
+        argument_composer.patches_to_include = None
+        self.runtime = RuntimeCompositor(argument_composer.get_composed_arguments(), True, Constants.APT)
+        execution_config = self.runtime.container.get('execution_config')
+        self.assertEqual(execution_config.max_patch_publish_date, "")
+        self.assertEqual(execution_config.included_package_name_mask_list, None)
+        self.runtime.stop()
+
     def test_eula_acceptance_file_read_success(self):
         self.runtime.stop()