code snippets used in the AuthApp screencast

gistfile1.rb

# File: features/support/path.rb
    when /login/
      login_path
    when /signup/
      signup_path

# File: features/support/user_helpers.rb
module UserHelpers
  def create_user( options = {} )
    args = {
      :username => 'subscriber',
      :password => 'secret',
      :password_confirmation => 'secret',
    }.merge( options )
    args[:email] ||= "#{args[:username]}@example.com"
    user = User.create!(args)
    # :create syntax for restful_authentication w/ aasm. Tweak as needed.
    # user.activate! 
    user
  end

  def log_in_as( username )
    visit "/login" 
    fill_in("user_session_username", :with => username) 
    fill_in("password", :with => 'secret') 
    click_button("Log in")  
  end  
  
end

World(UserHelpers)

# File: features/user.feature
Feature: User authentication
  In order to access the site
	As a user
  I must register and log in

  Scenario: Register as new user
		Given I am on the homepage
		When I follow "Sign up!"
		Then I should be on the signup page
		When I fill in the following:
			| username | subscriber |
			| email    | subscriber@example.com |
			| password | secret |
			| confirm password | secret |
		And I press "Sign up"
		Then I should be on the homepage
		And I should see "Thank you for signing up! You are now logged in."
  
  Scenario: Edit profile
		Given a user is logged in as "subscriber"
		And I am on the homepage
		When I follow "My profile"
		Then I should see "Show User Profile"
		When I follow "Edit Profile"
		Then I should see "Edit User Profile"
		When I fill in "email" with "changed@example.com"
		And I press "Submit"
		Then I should be on the homepage
		And I should see "Successfully updated user profile."
  
# File: app/layouts/_user_nav.html.erb
  <div id="user_nav">
	<%= link_to "Home", root_path %> |
	<% if current_user %>
		<%= link_to "My profile", user_path(:current) %> |
		<%= link_to "Logout", logout_path %>
	<% else %>
		<%= link_to "Sign up", signup_path %> |
		<%= link_to "Login", login_path %>
	<% end %>				
  </div>

# File: app/controllers/users_controller.rb

class UsersController < ApplicationController
  before_filter :login_required, :except => [:new, :create]
	before_filter :find_user, :except => [:new, :create]
	
  def new
    @user = User.new
  end
  
  def create
    @user = User.new(params[:user])
    if @user.save
      flash[:notice] = "Thank you for signing up! You are now logged in."
      redirect_to root_url
    else
      render :action => 'new'
    end
  end
  
  def show
  end
	
	def edit
  end

  def update
    if @user.update_attributes(params[:user])
      flash[:notice] = "Successfully updated user profile."
      redirect_to root_url
    else
      render :action => 'edit'
    end
  end
	
	private

  def find_user
    @user = current_user
  end
	
end

# File: app/views/users/show.html.erb
<% title "Show User Profile" %>
<p>
  <strong>Username:</strong>
  <%=h @user.username %>
</p>
<p>
  <strong>Email:</strong>
  <%=h @user.email %>
</p>
<p>
  <%= link_to "Edit Profile", edit_user_path(@user) %>
</p>

# File: app/views/users/edit.html.erb
<% title "Edit User Profile" %>
<% form_for @user do |f| %>
  <%= f.error_messages %>
  <p>
    <%= f.label :email %><br />
    <%= f.text_field :email %>
  </p>
  <p>
    <%= f.label :password %><br />
    <%= f.password_field :password, :value => nil, :autocomplete => 'off' %>
  </p>
  <p>
    <%= f.label :password_confirmation %><br />
    <%= f.password_field :password_confirmation %>
  </p>
  <p><%= f.submit "Submit" %></p>
	<p><%= link_to "Cancel", root_url %>
<% end %>