Fix creating group with space in group path

app/views/layouts/_search.html.haml

@@ -44,7 +44,7 @@
           name: "#{j(@project.name)}"
         };
 
-    - if @group and @group.path
+    - if @group && @group.persisted? && @group.path
       :javascript
         gl.groupOptions = gl.groupOptions || {};
         gl.groupOptions["#{j(@group.path)}"] = {

spec/features/groups_spec.rb

 require 'spec_helper'
 
 feature 'Group', feature: true do
+  before do
+    login_as(:admin)
+  end
+
+  describe 'creating a group with space in group path' do
+    it 'renders new group form with validation errors' do
+      visit new_group_path
+      fill_in 'Group path', with: 'space group'
+
+      click_button 'Create group'
+
+      expect(current_path).to eq(groups_path)
+      expect(page).to have_content("Path can contain only letters, digits, '_', '-' and '.'. Cannot start with '-' or end in '.'.")
+    end
+  end
+
   describe 'description' do
     let(:group) { create(:group) }
     let(:path)  { group_path(group) }
 
-    before do
-      login_as(:admin)
-    end
-
     it 'parses Markdown' do
       group.update_attribute(:description, 'This is **my** group')
       visit path