Refactor dropdown_assignee_spec

changelogs/unreleased/27568-refactor-very-slow-dropdown-asignee-spec.yml

+---
+title: Refactor dropdown_assignee_spec
+merge_request: 9711
+author: George Andrinopoulos

spec/features/issues/filtered_search/dropdown_assignee_spec.rb

 require 'rails_helper'
-describe 'Dropdown assignee', js: true, feature: true do
-  include WaitForAjax
-
+describe 'Dropdown assignee', :feature, :js do
   let!(:project) { create(:empty_project) }
   let!(:user) { create(:user, name: 'administrator', username: 'root') }
   let!(:user_john) { create(:user, name: 'John', username: 'th0mas') }
   let!(:user_jacob) { create(:user, name: 'Jacob', username: 'otter32') }
   let(:filtered_search) { find('.filtered-search') }
   let(:js_dropdown_assignee) { '#js-dropdown-assignee' }
-
-  def send_keys_to_filtered_search(input)
-    input.split("").each do |i|
-      filtered_search.send_keys(i)
-      sleep 5
-      wait_for_ajax
-    end
-  end
+  let(:filter_dropdown) { find("#{js_dropdown_assignee} .filter-dropdown") }
   def dropdown_assignee_size
-    page.all('#js-dropdown-assignee .filter-dropdown .filter-dropdown-item').size
+    filter_dropdown.all('.filter-dropdown-item').size
   end
   def click_assignee(text)
@@ -56,63 +47,80 @@ describe 'Dropdown assignee', js: true, feature: true do
     end
     it 'should hide loading indicator when loaded' do
-      send_keys_to_filtered_search('assignee:')
-      expect(page).not_to have_css('#js-dropdown-assignee .filter-dropdown-loading')
+      filtered_search.set('assignee:')
+      expect(find(js_dropdown_assignee)).to have_css('.filter-dropdown-loading')
+      expect(find(js_dropdown_assignee)).not_to have_css('.filter-dropdown-loading')
     end
     it 'should load all the assignees when opened' do
-      send_keys_to_filtered_search('assignee:')
+      filtered_search.set('assignee:')
       expect(dropdown_assignee_size).to eq(3)
     end
     it 'shows current user at top of dropdown' do
-      send_keys_to_filtered_search('assignee:')
-      expect(first('#js-dropdown-assignee .filter-dropdown li')).to have_content(user.name)
+      filtered_search.set('assignee:')
+      expect(filter_dropdown.first('.filter-dropdown-item')).to have_content(user.name)
     end
   end
   describe 'filtering' do
     before do
-      send_keys_to_filtered_search('assignee:')
+      filtered_search.set('assignee:')
+
+      expect(find("#{js_dropdown_assignee} .filter-dropdown")).to have_content(user_john.name)
+      expect(find("#{js_dropdown_assignee} .filter-dropdown")).to have_content(user_jacob.name)
+      expect(find("#{js_dropdown_assignee} .filter-dropdown")).to have_content(user.name)
     end
     it 'filters by name' do
-      send_keys_to_filtered_search('j')
-      expect(dropdown_assignee_size).to eq(2)
+      filtered_search.send_keys('j')
+      expect(find("#{js_dropdown_assignee} .filter-dropdown")).to have_content(user_john.name)
+      expect(find("#{js_dropdown_assignee} .filter-dropdown")).to have_content(user_jacob.name)
+      expect(find("#{js_dropdown_assignee} .filter-dropdown")).to have_no_content(user.name)
     end
     it 'filters by case insensitive name' do
-      send_keys_to_filtered_search('J')
-      expect(dropdown_assignee_size).to eq(2)
+      filtered_search.send_keys('J')
+      expect(find("#{js_dropdown_assignee} .filter-dropdown")).to have_content(user_john.name)
+      expect(find("#{js_dropdown_assignee} .filter-dropdown")).to have_content(user_jacob.name)
+      expect(find("#{js_dropdown_assignee} .filter-dropdown")).to have_no_content(user.name)
     end
     it 'filters by username with symbol' do
-      send_keys_to_filtered_search('@ot')
-      expect(dropdown_assignee_size).to eq(2)
+      filtered_search.send_keys('@ot')
+      expect(find("#{js_dropdown_assignee} .filter-dropdown")).to have_content(user_jacob.name)
+      expect(find("#{js_dropdown_assignee} .filter-dropdown")).to have_content(user.name)
+      expect(find("#{js_dropdown_assignee} .filter-dropdown")).to have_no_content(user_john.name)
     end
     it 'filters by case insensitive username with symbol' do
-      send_keys_to_filtered_search('@OT')
-      expect(dropdown_assignee_size).to eq(2)
+      filtered_search.send_keys('@OT')
+      expect(find("#{js_dropdown_assignee} .filter-dropdown")).to have_content(user_jacob.name)
+      expect(find("#{js_dropdown_assignee} .filter-dropdown")).to have_content(user.name)
+      expect(find("#{js_dropdown_assignee} .filter-dropdown")).to have_no_content(user_john.name)
     end
     it 'filters by username without symbol' do
-      send_keys_to_filtered_search('ot')
-      expect(dropdown_assignee_size).to eq(2)
+      filtered_search.send_keys('ot')
+      expect(find("#{js_dropdown_assignee} .filter-dropdown")).to have_content(user_jacob.name)
+      expect(find("#{js_dropdown_assignee} .filter-dropdown")).to have_content(user.name)
+      expect(find("#{js_dropdown_assignee} .filter-dropdown")).to have_no_content(user_john.name)
     end
     it 'filters by case insensitive username without symbol' do
-      send_keys_to_filtered_search('OT')
-      expect(dropdown_assignee_size).to eq(2)
+      filtered_search.send_keys('OT')
+      expect(find("#{js_dropdown_assignee} .filter-dropdown")).to have_content(user_jacob.name)
+      expect(find("#{js_dropdown_assignee} .filter-dropdown")).to have_content(user.name)
+      expect(find("#{js_dropdown_assignee} .filter-dropdown")).to have_no_content(user_john.name)
     end
   end
@@ -129,7 +137,7 @@ describe 'Dropdown assignee', js: true, feature: true do
     end
     it 'fills in the assignee username when the assignee has been filtered' do
-      send_keys_to_filtered_search('roo')
+      filtered_search.send_keys('roo')
       click_assignee(user.name)
       expect(page).to have_css(js_dropdown_assignee, visible: false)
@@ -173,7 +181,7 @@ describe 'Dropdown assignee', js: true, feature: true do
   describe 'caching requests' do
     it 'caches requests after the first load' do
       filtered_search.set('assignee')
-      send_keys_to_filtered_search(':')
+      filtered_search.send_keys(':')
       initial_size = dropdown_assignee_size
       expect(initial_size).to be > 0
@@ -182,7 +190,7 @@ describe 'Dropdown assignee', js: true, feature: true do
       project.team << [new_user, :master]
       find('.filtered-search-input-container .clear-search').click
       filtered_search.set('assignee')
-      send_keys_to_filtered_search(':')
+      filtered_search.send_keys(':')
       expect(dropdown_assignee_size).to eq(initial_size)
     end