Fixed search dropdown labels not displaying

This would only happen when the search term was empty because the method was returning before the controller could find the group or project for the toggle

Closes #21783

CHANGELOG

@@ -19,6 +19,7 @@ v 8.12.0 (unreleased)
   - Escape search term before passing it to Regexp.new !6241 (winniehell)
   - Fix pinned sidebar behavior in smaller viewports !6169
   - Change merge_error column from string to text type
+  - Fix issue with search filter labels not displaying
   - Reduce contributions calendar data payload (ClemMakesApps)
   - Add `web_url` field to issue, merge request, and snippet API objects (Ben Boeckel)
   - Enable pipeline events by default !6278

app/controllers/search_controller.rb

@@ -6,8 +6,6 @@ class SearchController < ApplicationController
   layout 'search'
   def show
-    return if params[:search].nil? || params[:search].blank?
-
     if params[:project_id].present?
       @project = Project.find_by(id: params[:project_id])
       @project = nil unless can?(current_user, :download_code, @project)
@@ -18,6 +16,8 @@ class SearchController < ApplicationController
       @group = nil unless can?(current_user, :read_group, @group)
     end
+    return if params[:search].nil? || params[:search].blank?
+
     @search_term = params[:search]
     @scope = params[:scope]

spec/features/search_spec.rb

 require 'spec_helper'
 describe "Search", feature: true  do
+  include WaitForAjax
+
   let(:user) { create(:user) }
   let(:project) { create(:project, namespace: user.namespace) }
   let!(:issue) { create(:issue, project: project, assignee: user) }
@@ -16,6 +18,36 @@ describe "Search", feature: true  do
     expect(page).not_to have_selector('.search')
   end
+  context 'search filters', js: true do
+    let(:group) { create(:group) }
+
+    before do
+      group.add_owner(user)
+    end
+
+    it 'shows group name after filtering' do
+      find('.js-search-group-dropdown').click
+      wait_for_ajax
+
+      page.within '.search-holder' do
+        click_link group.name
+      end
+
+      expect(find('.js-search-group-dropdown')).to have_content(group.name)
+    end
+
+    it 'shows project name after filtering' do
+      page.within('.project-filter') do
+        find('.js-search-project-dropdown').click
+        wait_for_ajax
+
+        click_link project.name_with_namespace
+      end
+
+      expect(find('.js-search-project-dropdown')).to have_content(project.name_with_namespace)
+    end
+  end
+
   describe 'searching for Projects' do
     it 'finds a project' do
       page.within '.search-holder' do