Testing the behavior of 'Flash' in a userscontroller for Ruby on Rails 3.2.0.

Test Flash in RoR

class UsersController < ApplicationController
  def new
    
  end
  
  def create
    @user = User.new(params[:user])
    if @user.save
      flash[:notice] ="OLD VALUE assigned in 'create'"
      redirect_to user_url(@user)
    else
      flash[:notice] = "Failed to save user!"
      redirect_to new_user_url
    end
  end
  
  def index
    @users = User.all
  end
  
  def show
    flash[:notice] = "NEW VALUE assigned in 'show'"
    @user = User.find(params[:id])
  end

end