Adds milestone search

Adds to search ILIKE search for milestones title in:
  - Milestones dashboard
  - Group milestones page
  - Project milestones page

1 files changed, 28 insertions, 3 deletions

diff --git a/spec/controllers/groups/milestones_controller_spec.rb b/spec/controllers/groups/milestones_controller_spec.rb
index 40d991a669c..043cf28514b 100644
--- a/spec/controllers/groups/milestones_controller_spec.rb
+++ b/spec/controllers/groups/milestones_controller_spec.rb
@@ -32,10 +32,35 @@ describe Groups::MilestonesController do
   end
 
   describe '#index' do
-    it 'shows group milestones page' do
-      get :index, params: { group_id: group.to_param }
+    describe 'as HTML' do
+      render_views
 
-      expect(response).to have_gitlab_http_status(200)
+      it 'shows group milestones page' do
+        milestone
+
+        get :index, params: { group_id: group.to_param }
+
+        expect(response).to have_gitlab_http_status(200)
+        expect(response.body).to include(milestone.title)
+      end
+
+      it 'searches legacy milestones by title when search_title is given' do
+        project_milestone = create(:milestone, project: project, title: 'Project milestone title')
+
+        get :index, params: { group_id: group.to_param, search_title: 'Project mil' }
+
+        expect(response.body).to include(project_milestone.title)
+        expect(response.body).not_to include(milestone.title)
+      end
+
+      it 'searches group milestones by title when search_title is given' do
+        group_milestone = create(:milestone, title: 'Group milestone title', group: group)
+
+        get :index, params: { group_id: group.to_param, search_title: 'Group mil' }
+
+        expect(response.body).to include(group_milestone.title)
+        expect(response.body).not_to include(milestone.title)
+      end
     end
 
     context 'as JSON' do