Implements supporter levels feature test

spec/features/supporter_levels_spec.rb

@@ -0,0 +1,53 @@
+require 'spec_helper'
+
+feature SupporterLevel do
+  # It is necessary to use bang version of let to build roles before user
+  let!(:organizer_role) { create(:organizer_role) }
+  let!(:participant_role) { create(:participant_role) }
+  let!(:admin_role) { create(:admin_role) }
+
+  shared_examples 'supporter levels' do |user|
+    scenario 'adds and updates supporter level', feature: true, js: true do
+      conference = create(:conference)
+      sign_in create(user)
+      visit admin_conference_supporter_levels_path(
+                conference_id: conference.short_title)
+
+      # Add supporter level
+      click_link 'Add supporter_level'
+      expect(page.all('div.nested-fields').count == 1).to be true
+
+      page.
+          find('div.nested-fields:nth-of-type(1) div:nth-of-type(1) input').
+          set('Example supporter level')
+
+      page.
+          find('div.nested-fields:nth-of-type(1) div:nth-of-type(2) input').
+          set('http://www.google.de')
+
+      click_button 'Update Conference'
+
+      # Validations
+      expect(flash).to eq('Supporter levels were successfully updated.')
+      expect(find('div.nested-fields:nth-of-type(1) div:nth-of-type(1) input').
+                 value).to eq('Example supporter level')
+      expect(find('div.nested-fields:nth-of-type(1) div:nth-of-type(2) input').
+                 value).to eq('http://www.google.de')
+
+      # Remove supporter level
+      click_link 'Remove supporter_level'
+      expect(page.all('div.nested-fields').count == 0).to be true
+      click_button 'Update Conference'
+      expect(flash).to eq('Supporter levels were successfully updated.')
+      expect(page.all('div.nested-fields').count == 0).to be true
+    end
+  end
+
+  describe 'admin' do
+    it_behaves_like 'supporter levels', :admin
+  end
+
+  describe 'organizer' do
+    it_behaves_like 'supporter levels', :organizer
+  end
+end