Add Epics Activity info to Group Export

changelogs/unreleased/georgekoltsov-add-epics-activity-to-group-export.yml

+---
+title: Add Epics Activity information to Group Export
+merge_request: 23613
+author:
+type: changed

ee/spec/lib/ee/gitlab/import_export/group_tree_saver_spec.rb

@@ -9,8 +9,11 @@ describe Gitlab::ImportExport::GroupTreeSaver do
     let_it_be(:label) { create(:group_label) }
     let_it_be(:parent_epic) { create(:epic, group: group) }
     let_it_be(:epic) { create(:epic, group: group, parent: parent_epic) }
+    let_it_be(:epic_event) { create(:event, :created, target: epic, group: group, author: user) }
+    let_it_be(:epic_push_event) { create(:event, :pushed, target: epic, group: group, author: user) }
     let_it_be(:board) { create(:board, group: group, assignee: user, labels: [label]) }
     let_it_be(:note) { create(:note, noteable: epic) }
+    let_it_be(:note_event) { create(:event, :created, target: note, author: user) }
 
     let(:shared) { Gitlab::ImportExport::Shared.new(group) }
     let(:export_path) { "#{Dir.tmpdir}/group_tree_saver_spec_ee" }
@@ -62,6 +65,23 @@ describe Gitlab::ImportExport::GroupTreeSaver do
         expect(notes.first['note']).to eq(note.note)
         expect(notes.first['noteable_id']).to eq(epic.id)
       end
+
+      it 'saves epic events' do
+        expect_successful_save(group_tree_saver)
+
+        events = epic_json['events']
+        expect(events).not_to be_empty
+
+        event_actions = events.map { |event| event['action'] }
+        expect(event_actions).to contain_exactly(epic_event.action, epic_push_event.action)
+      end
+
+      it "saves epic's note events" do
+        expect_successful_save(group_tree_saver)
+
+        notes = epic_json['notes']
+        expect(notes.first['events'].first['action']).to eq(note_event.action)
+      end
     end
 
     context 'boards relation' do

lib/gitlab/import_export/group_import_export.yml

@@ -34,6 +34,8 @@ methods:
     - :type
   notes:
     - :type
+  events:
+    - :action
 
 preloads:
 
@@ -44,8 +46,12 @@ ee:
     group:
       - epics:
           - :parent
+          - events:
+              - :push_event_payload
           - notes:
               - :author
+              - events:
+                  - :push_event_payload
       - boards:
           - :board_assignee
           - labels: