error_log

Failures:

  1) member logs in missing questionnaire
     Failure/Error: raise ActionController::RoutingError, "No route matches [#{env['REQUEST_METHOD']}] #{env['PATH_INFO'].inspect}"

     ActionController::RoutingError:
       No route matches [POST] "/questionnaire_answers/1/new"

new.haml

%h1
  questionnaires#edit

= form_for :questionnaire_answer do |f|
  - @questionnaire.questions.each.with_index do |q, index|
    %h1
      = q.description
    = f.fields_for :questions, q do |question_fields|
      = question_fields.fields_for :answer, q.build_answer do |answer_fields|
        = answer_fields.text_field :description, id: q.id

  = f.submit

routes.rb

resources :questionnaire_answers, except: [:new, :create] do
  member do
    get 'new'
    post 'create'
  end
end

questionnaire_answer GET    /questionnaire_answers/:id/new(.:format)            questionnaire_answers#new
                     POST   /questionnaire_answers/:id/create(.:format)         questionnaire_answers#create