content_renderer_spec.rb

require 'spec_helper'
 
include ActionView::Helpers
 
describe Content do

  def rendered_contents
  	ContentRenderer.new(nil, {:contents => @contents, :skip_ids => true}).render_contents
  end
  
  def filter(markup)
    markup.squeeze(" ").strip.gsub("\n ", "")
  end

  before(:each) do
    Content.all.map(&:destroy)
  end

  it "should insert nested content inside a non-self-closing element" do
    @contents = Content.create!(:html_tag => 'div')
    @contents.children << Content.create!(:html_tag => 'p', :data => 'inside a div!')
    
    rendered_contents.should == filter("<div>
                                            <p>inside a div!</p>
                                        </div>")
  end
  
  it "should insert nested content ordered by position" do
    @contents = Content.create!(:html_tag => 'ul')
    @contents.children << Content.create!(:html_tag => 'li', :data => 'item 1', :position => 2)
    @contents.children << Content.create!(:html_tag => 'li', :data => 'item 2', :position => 0)
    @contents.children << Content.create!(:html_tag => 'li', :data => 'item 3', :position => 1)
    
    rendered_contents.should == filter("<ul>
                                          <li>item 2</li>
                                          <li>item 3</li>
                                          <li>item 1</li>
                                        </ul>")
  end
  
  it "should insert nested content at a start position if specified" do
    @contents = Content.create!(:html_tag => 'p', :data => 'something  special')
    @contents.children << Content.create!(:html_tag => 'span', :data => 'very', :start_position => 10)

	  rendered_contents.should == "<p>something <span>very</span> special</p>"
  end

  it "should insert nested contents at multiple start positions" do
    @contents = Content.create!(:html_tag => 'div')
    @contents.children << Content.create!(:html_tag => 'p', :data => 'hello there.')    
    @contents.children << Content.create!(:html_tag => 'div')
    inner_div = Content.last
    inner_div.children << Content.create!(:html_tag => 'p', :data => 'foo bar fish!')
    inner_div.children << Content.create!(:html_tag => 'p', :data => 'this is the sentence that will have added spans!')
    for_spans = Content.last
    for_spans.children << Content.create!(:html_tag => 'span', :data => ', in my opinion,', :start_position => 4)
    for_spans.children << Content.create!(:html_tag => 'span', :data => 'two', :start_position => 36)
    inner_div.children << Content.create!(:html_tag => 'p', :data => 'baz!')
    
    @contents.children << Content.create!(:html_tag => 'p', :data => 'thank you.')
    @contents.children << Content.create!(:html_tag => 'p', :data => 'goodbye.')
    
    rendered_contents.should == filter("<div>
                                            <p>hello there.</p>
                                            <div>
                                                <p>foo bar fish!</p>
                                                <p>this<span>, in my opinion,</span> is the sentence that will have <span>two</span>added spans!</p>
                                                <p>baz!</p>
                                            </div>
                                            <p>thank you.</p>
                                            <p>goodbye.</p>
                                        </div>")
  end

end