Redmine

      user_custom_fields = UserCustomField.all

      csv << columns.map{|column| l('field_' + column)} + user_custom_fields.pluck(:name)

      users = users.preload(:custom_values)

        values = columns.map{|c| c == 'status' ? l("status_#{User::LABEL_BY_STATUS[user.status]}") : user.send(c)} +

                 user_custom_fields.map{|custom_field| user.custom_value_for(custom_field) }

        csv << values.map do |value|

          format_object(value, false) do |v|

            case v.class.name

            when 'Float'

              sprintf("%.2f", v).gsub('.', l(:general_csv_decimal_separator))

            else

              v

            end

  def test_index_csv_with_custom_field_columns

    float_custom_field = UserCustomField.generate!(:name => 'float field', :field_format => 'float')

    date_custom_field = UserCustomField.generate!(:name => 'date field', :field_format => 'date')

    user = User.last

    user.custom_field_values = {float_custom_field.id.to_s => 2.1, date_custom_field.id.to_s => '2020-01-10'}

    user.save

    User.find(@request.session[:user_id]).update(:language => nil)

    with_settings :default_language => 'fr' do

      get :index, :params => { :name => user.lastname, :format => 'csv' }

      assert_response :success

      assert_include 'float field;date field', response.body

      assert_include '2,10;10/01/2020', response.body

      assert_equal 'text/csv', @response.media_type

    end

  end