Fixed issue #2206 and #2207 by limiting historical_options to only select attributes

app/models/object_manager/attribute.rb

@@ -621,7 +621,7 @@ to send no browser reload event, pass false
       # config changes
       if attribute.to_config
         execute_config_count += 1
-        if attribute.data_option[:options]
+        if attribute.data_type == 'select' && attribute.data_option[:options]
           historical_options = attribute.data_option[:historical_options] || {}
           historical_options.update(attribute.data_option[:options])
           historical_options.update(attribute.data_option_new[:options])
@@ -634,7 +634,7 @@ to send no browser reload event, pass false
         next if !attribute.to_create && !attribute.to_migrate && !attribute.to_delete
       end
 
-      if attribute.data_option[:options]
+      if attribute.data_type == 'select' && attribute.data_option[:options]
         attribute.data_option[:historical_options] = attribute.data_option[:options]
       end
 

test/browser/admin_object_manager_tree_select_test.rb

@@ -116,4 +116,94 @@ class AdminObjectManagerTreeSelectTest < TestCase
     )
   end
 
+  # verify the fix for issue #2206 - Unable to modify tree_select attributes with fresh 2.6
+  def test_modify_tree_select_attributes
+    @browser = instance = browser_instance
+    login(
+      username: 'master@example.com',
+      password: 'test',
+      url: browser_url,
+    )
+    tasks_close_all()
+
+    object_manager_attribute_create(
+      data: {
+        name:      'browser_test_tree_select2',
+        display:   'Browser Test TreeSelect2',
+        data_type: 'Tree Select',
+        data_option: {
+          options: {
+            'Incident' => {
+              'Hardware' => {
+                'Monitor'  => {},
+                'Mouse'    => {},
+              },
+            },
+            'Service request' => {
+              'New software requirement' => {},
+              'New hardware'             => {},
+            },
+            'Change request' => {},
+          },
+        },
+      },
+    )
+    object_manager_attribute_migrate
+
+    # open the newly created tree_select and add some new options
+    object_manager_attribute_update(
+      data: {
+        name:      'browser_test_tree_select2',
+      },
+      do_not_submit: true,
+    )
+
+    # add two new first level entries
+    2.times do |i|
+      instance.find_elements(css: '.modal .js-treeTable .js-key').last.click
+
+      element = instance.find_elements(css: '.modal .js-treeTable .js-key').last
+      element.clear
+      element.send_keys("new tree option #{i}")
+    end
+
+    click(
+      css: '.modal button.js-submit'
+    )
+    modal_disappear
+
+    object_manager_attribute_migrate
+
+    # open the tree select again and check that the newly added options are there
+    watch_for(
+      css: '.content.active table',
+      value: 'browser_test_tree_select2',
+    )
+    object_manager_attribute_update(
+      data: {
+        name:      'browser_test_tree_select2',
+      },
+      do_not_submit: true,
+    )
+    2.times do |i|
+      exists(
+        css: '.modal .js-treeTable',
+        value: "new tree option #{i}",
+      )
+    end
+    modal_close
+
+    # clean up and confirm the deletion of newly created attributes
+    object_manager_attribute_delete(
+      data: {
+        name: 'browser_test_tree_select2',
+      },
+    )
+    object_manager_attribute_migrate
+
+    match_not(
+      css: '.content.active table',
+      value: 'browser_test_tree_select2',
+    )
+  end
 end

test/browser_test_helper.rb

@@ -4196,6 +4196,7 @@ wait untill text in selector disabppears
             options:  data[:data_option][:options],
           )
         else
+          if action == 'update'
             # first clear all existing entries
             loop do
               target = {
@@ -4207,6 +4208,7 @@ wait untill text in selector disabppears
               click(target)
             end
             sleep 1
+          end
 
           # then populate the table with the new values
           data[:data_option][:options].each do |key, value|