require File.dirname(__FILE__) + '/../test_helper' 
require 'user_controller' 

# Re-raise errors caught by the controller. 
class UserController; def rescue_action(e) raise e end; end 

class UserControllerTest < Test::Unit::TestCase 
  def setup 
    @controller = UserController.new 
    @request     = ActionController::TestRequest.new 
    @response   = ActionController::TestResponse.new 
  end 

  # Make sure the registration page responds with the proper form.
  def test_registration_page
    get :register
    title = assigns(:title)
    assert_equal "Register", title
    assert_response :success
    assert_template "register"
    
    # Test the form and all its tags. 
    assert_tag "form", :attributes => { :action => "/user/register", 
                                        :method => "post" } 
    assert_tag   "input", 
                :attributes => { :name => "user[screen_name]", 
                                 :type => "text", 
                                 :size => User::SCREEN_NAME_SIZE, 
                                 :maxlength => User::SCREEN_NAME_MAX_LENGTH } 
    assert_tag   "input", 
                :attributes => { :name => "user[email]", 
                                 :type => "text", 
                                 :size => User::EMAIL_SIZE, 
                                 :maxlength => User::EMAIL_MAX_LENGTH } 
    assert_tag   "input", 
                :attributes => { :name => "user[password]", 
                                 :type => "password", 
                                 :size => User::PASSWORD_SIZE, 
                                 :maxlength => User::PASSWORD_MAX_LENGTH } 
    assert_tag   "input", :attributes => { :type => "submit", 
                                          :value => "Register!" } 
  end
  
  # Test a valid registration. 
  def test_registration_success 
    post :register, :user => { :screen_name => "new_screen_name", 
                                :email       => "valid@example.com", 
                               :password     => "long_enough_password" } 
    # Test assignment of user. 
    user = assigns(:user) 
    assert_not_nil user 
    # Test new user in database. 
    new_user = User.find_by_screen_name_and_password(user.screen_name, 
                                                     user.password) 
    assert_equal new_user, user 
    # Test flash and redirect. 
    assert_equal "User #{new_user.screen_name} created!", flash[:notice] 
    assert_redirected_to :action => "index" 
  end   
end