1 files changed, 19 insertions, 0 deletions
diff --git a/spec/lib/api/entities/group_detail_spec.rb b/spec/lib/api/entities/group_detail_spec.rb
new file mode 100644
index 00000000000..8fcb120c809
--- /dev/null
+++ b/spec/lib/api/entities/group_detail_spec.rb
@@ -0,0 +1,19 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe API::Entities::GroupDetail do
+  describe '#as_json' do
+    it 'includes prevent_sharing_groups_outside_hierarchy for a root group' do
+      group = create(:group)
+
+      expect(described_class.new(group).as_json).to include(prevent_sharing_groups_outside_hierarchy: false)
+    end
+
+    it 'excludes prevent_sharing_groups_outside_hierarchy for a subgroup' do
+      subgroup = build(:group, :nested)
+
+      expect(described_class.new(subgroup).as_json.keys).not_to include(:prevent_sharing_groups_outside_hierarchy)
+    end
+  end
+end