Functional tests User Controller

static_pages_controller_spec.rb

require 'rails_helper'

describe StaticPagesController, :type => :controller do
  describe "GET #index" do
    
    it "responds successfully with an HTTP 200 status code" do
      get :index
      expect(response).to be_success
      expect(response).to have_http_status(200)
    end
    
    it "renders the index template" do
      get :index
      expect(response).to render_template("index")
    end
  end

  describe "GET #landing_page" do
      it "responds successfully with an HTTP 200 status code" do
      get :landing_page
      expect(response).to be_success
      expect(response).to have_http_status(200)
    end
    
    it "renders the landing_page template" do
      get :landing_page
      expect(response).to render_template("landing_page")
    end
  end
    

  describe "GET #featured_page" do
      it "responds successfully with an HTTP 200 status code" do
      get :featured_page
      expect(response).to be_success
      expect(response).to have_http_status(200)
    end
    
    it "renders the featured_page template" do
      get :featured_page
      expect(response).to render_template("featured_page")
    end
  end
  
  describe "GET #about" do
      it "responds successfully with an HTTP 200 status code" do
      get :about
      expect(response).to be_success
      expect(response).to have_http_status(200)
    end
    
    it "renders the about template" do
      get :about
      expect(response).to render_template("about")
    end
  end
  
  describe "GET #contact" do
      it "responds successfully with an HTTP 200 status code" do
      get :contact
      expect(response).to be_success
      expect(response).to have_http_status(200)
    end
    
    it "renders the contact template" do
      get :contact
      expect(response).to render_template("contact")
    end
  end

end

user.rb

class User < ActiveRecord::Base
  # Include default devise modules. Others available are:
  # :confirmable, :lockable, :timeoutable and :omniauthable
  devise :database_authenticatable, :registerable,
         :recoverable, :rememberable, :trackable, :validatable
  has_many :orders
end

users_controller.rb

class UsersController < ApplicationController
  before_action :set_user, only: [:show, :edit, :update, :destroy]
  load_and_authorize_resource

  # GET /users
  # GET /users.json
  def index
    @users = User.all
  end

  # GET /users/1
  # GET /users/1.json
  def show
  end

  # GET /users/new
  def new
    @user = User.new
  end

  # GET /users/1/edit
  def edit
  end

  # POST /users
  # POST /users.json
  def create
    @user = User.new(user_params)

    respond_to do |format|
      if @user.save
        format.html { redirect_to @user, notice: 'User was successfully created.' }
        format.json { render :show, status: :created, location: @user }
      else
        format.html { render :new }
        format.json { render json: @user.errors, status: :unprocessable_entity }
      end
    end
  end

  # PATCH/PUT /users/1
  # PATCH/PUT /users/1.json
  def update
    respond_to do |format|
      if @user.update(user_params)
        format.html { redirect_to @user, notice: 'User was successfully updated.' }
        format.json { render :show, status: :ok, location: @user }
      else
        format.html { render :edit }
        format.json { render json: @user.errors, status: :unprocessable_entity }
      end
    end
  end

  # DELETE /users/1
  # DELETE /users/1.json
  def destroy
    @user.destroy
    respond_to do |format|
      format.html { redirect_to users_url, notice: 'User was successfully destroyed.' }
      format.json { head :no_content }
    end
  end

  private
    # Use callbacks to share common setup or constraints between actions.
    def set_user
      @user = User.find(params[:id])
    end

    # Never trust parameters from the scary internet, only allow the white list through.
    def user_params
      params.require(:user).permit(:first_name, :last_name, :email, :password, :encrypted_password)
    end
end

users_controller_spec.rb

require 'rails_helper'

describe UsersController, :type => :controller do
  describe "GET #index" do
    
    before do
      @user = User.create!(:email => "[email protected]", :password => "12345678")
    end
    
    it "responds successfully with an HTTP 200 status code" do
      get :index
      expect(response).to be_success
      expect(response).to have_http_status(200)
    end
    
    it "renders the index template" do
      get :index
      expect(response).to render_template("index")
    end
  end

end