BO bugfix rename election and test this feature

Author: barodeur

app/assets/javascripts/backoffice/templates/elections/election_item.jst.hamlc

@@ -1,7 +1,7 @@
 %td
   %form.rename-election-form
     %a{href: "#elections/#{@election.id}/candidacies"}= @election.get 'name'
-    %input{type: 'text'}
+    %input{type: 'text', name: 'electionName'}
     %input.btn.success.submit-rename-form{type: 'submit', value: 'Renommer !'}
 %td
   %button.btn.primary.display-rename-form Renommer

app/assets/javascripts/backoffice/views/elections/election_item.js.coffee

@@ -37,7 +37,7 @@ class Backoffice.Views.Elections.ElectionItemView extends Backbone.View
 
   submitRenameForm: (event) ->
     event.preventDefault()
-    electionName = $('input[type=text]').val()
+    electionName = $('input[name=electionName]', @el).val()
     @election.save {}, data: $.param
       election:
         name: electionName

features/backoffice/elections/rename.feature

@@ -0,0 +1,14 @@
+Feature: BACKOFFICE Rename election
+
+  Background:
+    Given I am a logged admin
+
+  @javascript
+  Scenario:
+    Given There is a election with the name "name 1"
+    And I am on the elections page
+    When I click on "Renommer" button
+    And I fill the "electionName" text field with "name 2"
+    And I click on "Renommer !" button
+    Then I shoud see "name 2" on the page
+    And An election with the name "name 2" should be registred

features/step_definitions/elections_steps.rb

@@ -25,3 +25,7 @@
 Then /^An election with the name "([^"]*)" should be registred$/ do |name|
   Election.where(name: name).count.should >= 1
 end
+
+Given /^There is a election with the name "([^"]*)"$/ do |election_name|
+  @election = Factory :election, name: election_name
+end