Add a modification uuid to settings returned by the server

Ref #1949

gns3server/controller/__init__.py

@@ -18,6 +18,7 @@
 import os
 import sys
 import json
+import uuid
 import socket
 import asyncio
 import aiohttp
@@ -253,6 +254,7 @@ class Controller:
     @settings.setter
     def settings(self, val):
         self._settings = val
+        self._settings["modification_uuid"] = str(uuid.uuid4())  # We add a modification id to the settings it's help the gui to detect changes
         self.save()
         self.notification.emit("settings.updated", val)
 

tests/controller/test_controller.py

@@ -195,7 +195,8 @@ def test_import_remote_gns3vm_1_x(controller, controller_config_path, async_run)
 def test_settings(controller):
     controller._notification = MagicMock()
     controller.settings = {"a": 1}
-    controller._notification.emit.assert_called_with("settings.updated", {"a": 1})
+    controller._notification.emit.assert_called_with("settings.updated", controller.settings)
+    assert controller.settings["modification_uuid"] is not None
 
 
 def test_load_projects(controller, projects_dir, async_run):

tests/handlers/api/controller/test_settings.py

@@ -29,4 +29,5 @@ def test_settings(http_controller):
     assert response.status == 201
     response = http_controller.get('/settings', example=True)
     assert response.status == 200
-    assert response.json == query
+    assert response.json["test"] is True
+    assert response.json["modification_uuid"] is not None