Simple feature test for zen mode

spec/features/work_packages/zen_mode.rb

@@ -0,0 +1,49 @@
+require 'spec_helper'
+
+describe 'Zen mode', js: true do
+  let(:dev_role) do
+    FactoryGirl.create :role,
+                       permissions: [:view_work_packages,
+                                     :edit_work_packages]
+  end
+  let(:dev) do
+    FactoryGirl.create :user,
+                       firstname: 'Dev',
+                       lastname: 'Guy',
+                       member_in_project: project,
+                       member_through_role: dev_role
+  end
+
+  let(:type) { FactoryGirl.create :type }
+  let(:project) { FactoryGirl.create(:project, types: [type]) }
+
+  let(:work_package) {
+    work_package = FactoryGirl.create :work_package,
+                                      project: project,
+                                      type: type,
+                                      created_at: 5.days.ago.to_date.to_s(:db)
+  }
+  let(:wp_page) { Pages::FullWorkPackage.new(work_package) }
+
+  let(:status_from) { work_package.status }
+  let(:status_intermediate) { FactoryGirl.create :status }
+
+  before do
+    login_as(dev)
+
+    work_package
+
+    wp_page.visit!
+    wp_page.ensure_page_loaded
+  end
+
+  it 'hides menus' do
+    wp_page.expect_no_zen_mode
+    wp_page.page.find('#work-packages-zen-mode-toggle-button').click
+    wp_page.expect_zen_mode
+    wp_page.page.find('.work-packages-list-view-button').click
+    wp_page.expect_zen_mode
+    wp_page.page.find('#work-packages-zen-mode-toggle-button').click
+    wp_page.expect_no_zen_mode
+  end
+end

spec/support/pages/abstract_work_package.rb

@@ -129,6 +129,16 @@ def expect_parent(parent = nil)
                                     text: "#{parent.type.name}: #{parent.subject}")
     end
 
+    def expect_zen_mode
+      expect(page).to have_selector('#main-menu', visible: false)
+      expect(page).to have_selector('#top-menu', visible: false)
+    end
+
+    def expect_no_zen_mode
+      expect(page).to have_selector('#main-menu', visible: true)
+      expect(page).to have_selector('#top-menu', visible: true)
+    end
+
     def update_attributes(key_value_map, save: true)
       set_attributes(key_value_map, save: save)
     end