1 files changed, 58 insertions, 0 deletions
diff --git a/spec/features/groups/settings/user_enables_namespace_hierarchy_cache_spec.rb b/spec/features/groups/settings/user_enables_namespace_hierarchy_cache_spec.rb
new file mode 100644
index 00000000000..4b362a9561d
--- /dev/null
+++ b/spec/features/groups/settings/user_enables_namespace_hierarchy_cache_spec.rb
@@ -0,0 +1,58 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe 'Groups > Permission and group features > Enable caching of hierarchical objects', :js, feature_category: :value_stream_management do
+  include ListboxHelpers
+
+  let_it_be_with_reload(:group) { create(:group) }
+  let_it_be(:user) { create(:user).tap { |u| group.add_owner(u) } }
+
+  before do
+    sign_in(user)
+  end
+
+  context 'with the group_hierarchy_optimization feature flag enabled' do
+    before do
+      stub_feature_flags(group_hierarchy_optimization: true)
+    end
+
+    it 'enables the setting' do
+      visit edit_group_path(group)
+
+      page.within('#js-permissions-settings') do
+        check 'group[enable_namespace_descendants_cache]'
+
+        click_on 'Save changes'
+      end
+
+      expect(group.namespace_descendants).to be_present
+    end
+
+    it 'disables the setting' do
+      create(:namespace_descendants, namespace: group)
+
+      visit edit_group_path(group)
+
+      page.within('#js-permissions-settings') do
+        uncheck 'group[enable_namespace_descendants_cache]'
+
+        click_on 'Save changes'
+      end
+
+      expect(group.reload.namespace_descendants).not_to be_present
+    end
+  end
+
+  context 'with the group_hierarchy_optimization feature flag disabled' do
+    before do
+      stub_feature_flags(group_hierarchy_optimization: false)
+    end
+
+    it 'does not render the setting' do
+      visit edit_group_path(group)
+
+      expect(page).not_to have_selector('group[enable_namespace_descendants_cache]')
+    end
+  end
+end