rails--rails/actionpack/test/controller/render_other_test.rb

require 'abstract_unit'
require 'controller/fake_models'
require 'pathname'

ActionController.add_renderer :simon do |says, options|
  self.content_type  = Mime::TEXT
  self.response_body = "Simon says: #{says}"
end

class RenderOtherTest < ActionController::TestCase
  class TestController < ActionController::Base
    protect_from_forgery

    def self.controller_path
      'test'
    end

    layout :determine_layout

    module RenderTestHelper
      def rjs_helper_method_from_module
        page.visual_effect :highlight
      end
    end

    helper RenderTestHelper
    helper do
      def rjs_helper_method(value)
        page.visual_effect :highlight, value
      end
    end

    def enum_rjs_test
      render :update do |page|
        page.select('.product').each do |value|
          page.rjs_helper_method_from_module
          page.rjs_helper_method(value)
          page.sortable(value, :url => { :action => "order" })
          page.draggable(value)
        end
      end
    end

    def render_explicit_html_template
    end

    def render_custom_code_rjs
      render :update, :status => 404 do |page|
        page.replace :foo, :partial => 'partial'
      end
    end

    def render_implicit_html_template
    end

    def render_js_with_explicit_template
      @project_id = 4
      render :template => 'test/delete_with_js'
    end

    def render_js_with_explicit_action_template
      @project_id = 4
      render :action => 'delete_with_js'
    end

    def delete_with_js
      @project_id = 4
    end

    def update_page
      render :update do |page|
        page.replace_html 'balance', '$37,000,000.00'
        page.visual_effect :highlight, 'balance'
      end
    end

    def update_page_with_instance_variables
      @money = '$37,000,000.00'
      @div_id = 'balance'
      render :update do |page|
        page.replace_html @div_id, @money
        page.visual_effect :highlight, @div_id
      end
    end

    def update_page_with_view_method
      render :update do |page|
        page.replace_html 'person', pluralize(2, 'person')
      end
    end

    def partial_as_rjs
      render :update do |page|
        page.replace :foo, :partial => 'partial'
      end
    end

    def respond_to_partial_as_rjs
      respond_to do |format|
        format.js do
          render :update do |page|
            page.replace :foo, :partial => 'partial'
          end
        end
      end
    end

    def render_alternate_default
      # For this test, the method "default_render" is overridden:
      @alternate_default_render = lambda do
        render :update do |page|
          page.replace :foo, :partial => 'partial'
        end
      end
    end

    def render_simon_says
      render :simon => "foo"
    end

    private
      def default_render
        if @alternate_default_render
          @alternate_default_render.call
        else
          super
        end
      end

      def determine_layout
        case action_name
          when "hello_world", "layout_test", "rendering_without_layout",
               "rendering_nothing_on_layout", "render_text_hello_world",
               "render_text_hello_world_with_layout",
               "hello_world_with_layout_false",
               "partial_only", "partial_only_with_layout",
               "accessing_params_in_template",
               "accessing_params_in_template_with_layout",
               "render_with_explicit_template",
               "render_with_explicit_string_template",
               "update_page", "update_page_with_instance_variables"

            "layouts/standard"
          when "action_talk_to_layout", "layout_overriding_layout"
            "layouts/talk_from_action"
          when "render_implicit_html_template_from_xhr_request"
            (request.xhr? ? 'layouts/xhr' : 'layouts/standard')
        end
      end
  end

  tests TestController

  def setup
    # enable a logger so that (e.g.) the benchmarking stuff runs, so we can get
    # a more accurate simulation of what happens in "real life".
    super
    @controller.logger = Logger.new(nil)

    @request.host = "www.nextangle.com"
  end

  def test_enum_rjs_test
    ActiveSupport::SecureRandom.stubs(:base64).returns("asdf")
    get :enum_rjs_test
    body = %{
      $$(".product").each(function(value, index) {
      new Effect.Highlight(element,{});
      new Effect.Highlight(value,{});
      Sortable.create(value, {onUpdate:function(){new Ajax.Request('/render_other_test/test/order', {asynchronous:true, evalScripts:true, parameters:Sortable.serialize(value) + '&authenticity_token=' + encodeURIComponent('asdf')})}});
      new Draggable(value, {});
      });
    }.gsub(/^      /, '').strip
    assert_equal body, @response.body
  end

  def test_explicitly_rendering_an_html_template_with_implicit_html_template_renders_should_be_possible_from_an_rjs_template
    [:js, "js"].each do |format|
      assert_nothing_raised do
        get :render_explicit_html_template, :format => format
        assert_equal %(document.write("Hello world\\n");), @response.body
      end
    end
  end

  def test_render_custom_code_rjs
    get :render_custom_code_rjs
    assert_response 404
    assert_equal %(Element.replace("foo", "partial html");), @response.body
  end

  def test_render_in_an_rjs_template_should_pick_html_templates_when_available
    [:js, "js"].each do |format|
      assert_nothing_raised do
        get :render_implicit_html_template, :format => format
        assert_equal %(document.write("Hello world\\n");), @response.body
      end
    end
  end

  def test_render_rjs_template_explicitly
    get :render_js_with_explicit_template
    assert_equal %!Element.remove("person");\nnew Effect.Highlight(\"project-4\",{});!, @response.body
  end

  def test_rendering_rjs_action_explicitly
    get :render_js_with_explicit_action_template
    assert_equal %!Element.remove("person");\nnew Effect.Highlight(\"project-4\",{});!, @response.body
  end

  def test_render_rjs_with_default
    get :delete_with_js
    assert_equal %!Element.remove("person");\nnew Effect.Highlight(\"project-4\",{});!, @response.body
  end

  def test_update_page
    get :update_page
    assert_template nil
    assert_equal 'text/javascript; charset=utf-8', @response.headers['Content-Type']
    assert_equal 2, @response.body.split($/).length
  end

  def test_update_page_with_instance_variables
    get :update_page_with_instance_variables
    assert_template nil
    assert_equal 'text/javascript; charset=utf-8', @response.headers["Content-Type"]
    assert_match /balance/, @response.body
    assert_match /\$37/, @response.body
  end

  def test_update_page_with_view_method
    get :update_page_with_view_method
    assert_template nil
    assert_equal 'text/javascript; charset=utf-8', @response.headers["Content-Type"]
    assert_match /2 people/, @response.body
  end

  def test_should_render_html_formatted_partial_with_rjs
    xhr :get, :partial_as_rjs
    assert_equal %(Element.replace("foo", "partial html");), @response.body
  end

  def test_should_render_html_formatted_partial_with_rjs_and_js_format
    xhr :get, :respond_to_partial_as_rjs
    assert_equal %(Element.replace("foo", "partial html");), @response.body
  end

  def test_should_render_with_alternate_default_render
    xhr :get, :render_alternate_default
    assert_equal %(Element.replace("foo", "partial html");), @response.body
  end

  def test_using_custom_render_option
    get :render_simon_says
    assert_equal "Simon says: foo", @response.body
  end
end