Generated scaffolding for model via Rails

app/assets/javascripts/questions.js.coffee

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+# Place all the behaviors and hooks related to the matching controller here.
+# All this logic will automatically be available in application.js.
+# You can use CoffeeScript in this file: http://coffeescript.org/

app/controllers/questions_controller.rb

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+class QuestionsController < ApplicationController
+  before_action :set_question, only: [:show, :edit, :update, :destroy]
+
+  # GET /questions
+  # GET /questions.json
+  def index
+    @questions = Question.all
+  end
+
+  # GET /questions/1
+  # GET /questions/1.json
+  def show
+  end
+
+  # GET /questions/new
+  def new
+    @question = Question.new
+  end
+
+  # GET /questions/1/edit
+  def edit
+  end
+
+  # POST /questions
+  # POST /questions.json
+  def create
+    @question = Question.new(question_params)
+
+    respond_to do |format|
+      if @question.save
+        format.html { redirect_to @question, notice: 'Question was successfully created.' }
+        format.json { render action: 'show', status: :created, location: @question }
+      else
+        format.html { render action: 'new' }
+        format.json { render json: @question.errors, status: :unprocessable_entity }
+      end
+    end
+  end
+
+  # PATCH/PUT /questions/1
+  # PATCH/PUT /questions/1.json
+  def update
+    respond_to do |format|
+      if @question.update(question_params)
+        format.html { redirect_to @question, notice: 'Question was successfully updated.' }
+        format.json { head :no_content }
+      else
+        format.html { render action: 'edit' }
+        format.json { render json: @question.errors, status: :unprocessable_entity }
+      end
+    end
+  end
+
+  # DELETE /questions/1
+  # DELETE /questions/1.json
+  def destroy
+    @question.destroy
+    respond_to do |format|
+      format.html { redirect_to questions_url }
+      format.json { head :no_content }
+    end
+  end
+
+  private
+    # Use callbacks to share common setup or constraints between actions.
+    def set_question
+      @question = Question.find(params[:id])
+    end
+
+    # Never trust parameters from the scary internet, only allow the white list through.
+    def question_params
+      params.require(:question).permit(:title)
+    end
+end

app/helpers/questions_helper.rb

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+module QuestionsHelper
+end

app/models/question.rb

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 class Question < ActiveRecord::Base
+  habtm :surveys
+  has_many :answers
 end

app/views/questions/_form.html.erb

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+<%= form_for(@question) do |f| %>
+  <% if @question.errors.any? %>
+    <div id="error_explanation">
+      <h2><%= pluralize(@question.errors.count, "error") %> prohibited this question from being saved:</h2>
+
+      <ul>
+      <% @question.errors.full_messages.each do |msg| %>
+        <li><%= msg %></li>
+      <% end %>
+      </ul>
+    </div>
+  <% end %>
+
+  <div class="field">
+    <%= f.label :title %><br>
+    <%= f.text_area :title %>
+  </div>
+  <div class="actions">
+    <%= f.submit %>
+  </div>
+<% end %>

app/views/questions/edit.html.erb

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+<h1>Editing question</h1>
+
+<%= render 'form' %>
+
+<%= link_to 'Show', @question %> |
+<%= link_to 'Back', questions_path %>

app/views/questions/index.html.erb

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+<h1>Listing questions</h1>
+
+<table>
+  <thead>
+    <tr>
+      <th>Title</th>
+      <th></th>
+      <th></th>
+      <th></th>
+    </tr>
+  </thead>
+
+  <tbody>
+    <% @questions.each do |question| %>
+      <tr>
+        <td><%= question.title %></td>
+        <td><%= link_to 'Show', question %></td>
+        <td><%= link_to 'Edit', edit_question_path(question) %></td>
+        <td><%= link_to 'Destroy', question, method: :delete, data: { confirm: 'Are you sure?' } %></td>
+      </tr>
+    <% end %>
+  </tbody>
+</table>
+
+<br>
+
+<%= link_to 'New Question', new_question_path %>

app/views/questions/index.json.jbuilder

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+json.array!(@questions) do |question|
+  json.extract! question, :id, :title
+  json.url question_url(question, format: :json)
+end

app/views/questions/new.html.erb

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+<h1>New question</h1>
+
+<%= render 'form' %>
+
+<%= link_to 'Back', questions_path %>

app/views/questions/show.html.erb

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+<p id="notice"><%= notice %></p>
+
+<p>
+  <strong>Title:</strong>
+  <%= @question.title %>
+</p>
+
+<%= link_to 'Edit', edit_question_path(@question) %> |
+<%= link_to 'Back', questions_path %>

app/views/questions/show.json.jbuilder

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+json.extract! @question, :id, :title, :created_at, :updated_at

config/routes.rb

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 PrelangTest::Application.routes.draw do
+  resources :questions
+
   resources :answers
 
   devise_for :users, controllers: {registrations: "users/registrations", sessions: "users/sessions", passwords: "users/passwords", omniauth_callbacks: "users/omniauth_callbacks"}, skip: [:sessions, :registrations]

test/controllers/questions_controller_test.rb

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+require 'test_helper'
+
+class QuestionsControllerTest < ActionController::TestCase
+  setup do
+    @question = questions(:one)
+  end
+
+  test "should get index" do
+    get :index
+    assert_response :success
+    assert_not_nil assigns(:questions)
+  end
+
+  test "should get new" do
+    get :new
+    assert_response :success
+  end
+
+  test "should create question" do
+    assert_difference('Question.count') do
+      post :create, question: { title: @question.title }
+    end
+
+    assert_redirected_to question_path(assigns(:question))
+  end
+
+  test "should show question" do
+    get :show, id: @question
+    assert_response :success
+  end
+
+  test "should get edit" do
+    get :edit, id: @question
+    assert_response :success
+  end
+
+  test "should update question" do
+    patch :update, id: @question, question: { title: @question.title }
+    assert_redirected_to question_path(assigns(:question))
+  end
+
+  test "should destroy question" do
+    assert_difference('Question.count', -1) do
+      delete :destroy, id: @question
+    end
+
+    assert_redirected_to questions_path
+  end
+end

test/helpers/questions_helper_test.rb

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+require 'test_helper'
+
+class QuestionsHelperTest < ActionView::TestCase
+end