Include subgroup issues in iteration issue list

Include subgroups for group queries of both
issue list and summaries

ee/app/assets/javascripts/iterations/queries/iteration_issues.query.graphql

@@ -16,6 +16,7 @@ query IterationIssues(
       after: $afterCursor
       first: $firstPageSize
       last: $lastPageSize
+      includeSubgroups: true
     ) {
       ...IterationIssues
     }

ee/app/assets/javascripts/iterations/queries/iteration_issues_summary.query.graphql

 query IterationIssuesSummary($fullPath: ID!, $id: ID!, $isGroup: Boolean = true) {
   group(fullPath: $fullPath) @include(if: $isGroup) {
-    openIssues: issues(iterationId: [$id], state: opened, assigneeId: "none") {
+    openIssues: issues(
+      iterationId: [$id]
+      state: opened
+      assigneeId: "none"
+      includeSubgroups: true
+    ) {
       count
     }
-    assignedIssues: issues(iterationId: [$id], state: opened, assigneeId: "any") {
+    assignedIssues: issues(
+      iterationId: [$id]
+      state: opened
+      assigneeId: "any"
+      includeSubgroups: true
+    ) {
       count
     }
-    closedIssues: issues(iterationId: [$id], state: closed) {
+    closedIssues: issues(iterationId: [$id], state: closed, includeSubgroups: true) {
       count
     }
   }

ee/changelogs/unreleased/229433-iteration-issue-list-doesn-t-include-subgroup-issues.yml

+---
+title: Include subgroup issues in iteration issue list
+merge_request: 40099
+author:
+type: added

ee/spec/features/groups/iterations/user_views_iteration_spec.rb

@@ -5,14 +5,17 @@ require 'spec_helper'
 RSpec.describe 'User views iteration' do
   let_it_be(:now) { Time.now }
   let_it_be(:group) { create(:group) }
+  let_it_be(:sub_group) { create(:group, :private, parent: group) }
   let_it_be(:project) { create(:project, group: group) }
-  let_it_be(:project_2) { create(:project, group: group) }
+  let_it_be(:sub_project) { create(:project, group: sub_group) }
   let_it_be(:user) { create(:group_member, :maintainer, user: create(:user), group: group).user }
   let_it_be(:iteration) { create(:iteration, :skip_future_date_validation, iid: 1, id: 2, group: group, title: 'Correct Iteration', start_date: now - 1.day, due_date: now) }
   let_it_be(:other_iteration) { create(:iteration, :skip_future_date_validation, iid: 2, id: 1, group: group, title: 'Wrong Iteration', start_date: now - 4.days, due_date: now - 3.days) }
+  let_it_be(:sub_group_iteration) { create(:iteration, id: 3, group: sub_group) }
   let_it_be(:issue) { create(:issue, project: project, iteration: iteration) }
-  let_it_be(:assigned_issue) { create(:issue, project: project_2, iteration: iteration, assignees: [user]) }
+  let_it_be(:assigned_issue) { create(:issue, project: project, iteration: iteration, assignees: [user]) }
   let_it_be(:closed_issue) { create(:closed_issue, project: project, iteration: iteration) }
+  let_it_be(:sub_group_issue) { create(:issue, project: sub_project, iteration: iteration) }
   let_it_be(:other_issue) { create(:issue, project: project, iteration: other_iteration) }
 
   context 'with license' do
@@ -23,7 +26,7 @@ RSpec.describe 'User views iteration' do
 
     context 'view an iteration', :js do
       before do
-        visit group_iteration_path(iteration.group, iteration.iid)
+        visit group_iteration_path(group, iteration.iid)
       end
 
       it 'shows iteration info and dates' do
@@ -34,8 +37,8 @@ RSpec.describe 'User views iteration' do
       end
 
       it 'shows correct summary information' do
-        expect(page).to have_content("Complete 33%")
-        expect(page).to have_content("Open 1")
+        expect(page).to have_content("Complete 25%")
+        expect(page).to have_content("Open 2")
         expect(page).to have_content("In progress 1")
         expect(page).to have_content("Completed 1")
       end
@@ -44,6 +47,7 @@ RSpec.describe 'User views iteration' do
         expect(page).to have_content(issue.title)
         expect(page).to have_content(assigned_issue.title)
         expect(page).to have_content(closed_issue.title)
+        expect(page).to have_content(sub_group_issue.title)
         expect(page).not_to have_content(other_issue.title)
       end
     end