Add base class implementation for local users' passwords reset

Author: azmyali98

sonic_platform_base/local_users_passwords_reset_base.py

@@ -0,0 +1,25 @@
+'''
+    local_users_passwords_reset_base.py
+
+    Abstract base class for implementing platform-specific
+    local users' passwords reset base functionality for SONiC
+'''
+
+
+class LocalUsersConfigurationResetBase(object):
+    """
+    Abstract base class for resetting local users' passwords on the switch
+    """
+    def should_trigger(self):
+        '''
+        define the condition to trigger
+        '''
+        # the condition to trigger start() method, the default implementation will be by checking if a long reboot press was detected.
+        raise NotImplementedError
+
+    def start(self):
+        '''
+        define the functionality
+        '''
+        # the implementation of deleting non-default users and restoring original passwords for default users and expiring them
+        raise NotImplementedError

tests/local_users_passwords_reset_base_test.py

@@ -0,0 +1,31 @@
+'''
+Test LocalUsersConfigurationResetBase module
+'''
+
+from unittest import mock
+from sonic_platform_base.local_users_passwords_reset_base import LocalUsersConfigurationResetBase
+
+
+class TestLocalUsersConfigurationResetBase:
+    '''
+    Collection of LocalUsersConfigurationResetBase test methods
+    '''
+    @staticmethod
+    def test_fan_base():
+        '''
+        Verify unimplemented methods
+        '''
+        base = LocalUsersConfigurationResetBase()
+        not_implemented_methods = [
+            (base.should_trigger,),
+            (base.start,)]
+
+        for method in not_implemented_methods:
+            expected_exception = False
+            try:
+                func = method[0]
+                args = method[1:]
+                func(*args)
+            except Exception as exc:
+                expected_exception = isinstance(exc, NotImplementedError)
+            assert expected_exception