Fix pagination on search result page when ES search is enabled

CHANGELOG-EE

@@ -4,6 +4,7 @@ v 8.11.0 (unreleased)
 
 v 8.10.2 (unreleased)
   - Dicouple an ES index update from RepositoryUpdateMirrorWorker
+  - Fix pagination on search result page when ES search is enabled 
 
 v 8.10.1
   - No EE-specific changes

lib/gitlab/elastic/project_search_results.rb

@@ -21,7 +21,7 @@ module Gitlab
       def objects(scope, page = nil)
         case scope
         when 'notes'
-          notes.records.page(page).per(per_page)
+          notes.page(page).per(per_page).records
         when 'blobs'
           blobs.page(page).per(per_page)
         when 'wiki_blobs'

lib/gitlab/elastic/search_results.rb

@@ -16,13 +16,13 @@ module Gitlab
       def objects(scope, page = nil)
         case scope
         when 'projects'
-          projects.records.page(page).per(per_page)
+          projects.page(page).per(per_page).records
         when 'issues'
-          issues.records.page(page).per(per_page)
+          issues.page(page).per(per_page).records
         when 'merge_requests'
-          merge_requests.records.page(page).per(per_page)
+          merge_requests.page(page).per(per_page).records
         when 'milestones'
-          milestones.records.page(page).per(per_page)
+          milestones.page(page).per(per_page).records
         else
           Kaminari.paginate_array([])
         end

lib/gitlab/elastic/snippet_search_results.rb

@@ -9,9 +9,9 @@ module Gitlab
       def objects(scope, page = nil)
         case scope
         when 'snippet_titles'
-          snippet_titles.records.page(page).per(per_page)
+          snippet_titles.page(page).per(per_page).records
         when 'snippet_blobs'
-          snippet_blobs.records.page(page).per(per_page)
+          snippet_blobs.page(page).per(per_page).records
         else
           super
         end

spec/features/projects/elastic/global_search_spec.rb

+require 'spec_helper'
+
+feature 'Global elastic search', feature: true do
+  let(:user) { create(:user) }
+  let(:project) { create(:project, namespace: user.namespace) }
+
+  before do
+    stub_application_setting(elasticsearch_search: true, elasticsearch_indexing: true)
+
+    project.team << [user, :master]
+    login_with(user)
+  end
+
+  after do
+    stub_application_setting(elasticsearch_search: false, elasticsearch_indexing: false)
+  end
+
+  describe 'I search through the issues and I see pagination' do
+    before do
+      [::Project, Issue, MergeRequest, Milestone].each do |model|
+        model.__elasticsearch__.create_index!
+      end
+
+      create_list(:issue, 21, project: project, title: 'initial')
+
+      Issue.__elasticsearch__.refresh_index!
+    end
+
+    after do
+      [::Project, Issue, MergeRequest, Milestone].each do |model|
+        model.__elasticsearch__.delete_index!
+      end
+    end
+
+    it "has a pagination" do
+      visit dashboard_projects_path
+
+      fill_in "search", with: "initial"
+      click_button "Go"
+
+      select_filter("Issues")
+      expect(page).to have_selector('.gl-pagination .page', count: 2)
+    end
+  end
+
+end

spec/spec_helper.rb

@@ -31,6 +31,7 @@ RSpec.configure do |config|
   config.include Devise::TestHelpers, type: :controller
   config.include LoginHelpers,        type: :feature
   config.include LoginHelpers,        type: :request
+  config.include SearchHelpers,       type: :feature
   config.include StubConfiguration
   config.include EmailHelpers
   config.include TestEnv

spec/support/search_helpers.rb

+module SearchHelpers
+  def select_filter(name)
+    find(:xpath, "//ul[contains(@class, 'search-filter')]//a[contains(.,'#{name}')]").click
+  end
+end