class UsersController < ApplicationController
  def new
    @user = User.new
  end

  def show
    @user = User.find(params[:id])
  end

  def create
    @user = User.new(user_params)
    if @user.save
      log_in @user
      flash[:success] = "Welcome to the Site!"
      redirect_to @user
    else
      render 'new'
    end
  end

  def edit
    @user = User.find(params[:id])
  end

  def update
    @user = User.find(params[:id])
    if @user.update_attributes(user_params)
    else
      render 'edit'
    end
  end


  private


  def user_params
    params.require(:user).permit(:name, :email, :password, :password_confirmation)
  end
end

<% provide(:title, "Edit User") %>
<% provide(:button_text, "Save changes") %>
    <h1>Edit your profile </h1>
<div class="row">
  <div class="col-md-6 col-md-offset-3 well">
    <%= render 'shared/form' %>
    <div class="gravatar_edit">
         <%= gravatar_for @user %>
         <a href="http://gravatar.com/emails" target="_blank">Change</a>
    </div>
  </div>
</div>

require 'test_helper'

class UsersEditTest < ActionDispatch::IntegrationTest

  def setup
    @user = users(:robert)
  end

  test "unseccessful edit" do
    get edit_user_path(@user)
    assert_template 'users/edit'
    patch user_path(@user), params: { user: { name:       "",
                                              email:      "invalid@invalid.org",
                                              password:   "in  ",
                                              password_confirmation: "    valid" } }
    assert_template 'users/edit'
  end
end