vendor/rails/actionpack/test/controller/html-scanner/document_test.rb

   1 require 'abstract_unit'
   2
   3 class DocumentTest < Test::Unit::TestCase
   4   def test_handle_doctype
   5     doc = nil
   6     assert_nothing_raised do
   7       doc = HTML::Document.new <<-HTML.strip
   8         <!DOCTYPE "blah" "blah" "blah">
   9         <html>
  10         </html>
  11       HTML
  12     end
  13     assert_equal 3, doc.root.children.length
  14     assert_equal %{<!DOCTYPE "blah" "blah" "blah">}, doc.root.children[0].content
  15     assert_match %r{\s+}m, doc.root.children[1].content
  16     assert_equal "html", doc.root.children[2].name
  17   end
  18
  19   def test_find_img
  20     doc = HTML::Document.new <<-HTML.strip
  21       <html>
  22         <body>
  23           <p><img src="hello.gif"></p>
  24         </body>
  25       </html>
  26     HTML
  27     assert doc.find(:tag=>"img", :attributes=>{"src"=>"hello.gif"})
  28   end
  29
  30   def test_find_all
  31     doc = HTML::Document.new <<-HTML.strip
  32       <html>
  33         <body>
  34           <p class="test"><img src="hello.gif"></p>
  35           <div class="foo">
  36             <p class="test">something</p>
  37             <p>here is <em class="test">more</em></p>
  38           </div>
  39         </body>
  40       </html>
  41     HTML
  42     all = doc.find_all :attributes => { :class => "test" }
  43     assert_equal 3, all.length
  44     assert_equal [ "p", "p", "em" ], all.map { |n| n.name }
  45   end
  46
  47   def test_find_with_text
  48     doc = HTML::Document.new <<-HTML.strip
  49       <html>
  50         <body>
  51           <p>Some text</p>
  52         </body>
  53       </html>
  54     HTML
  55     assert doc.find(:content => "Some text")
  56     assert doc.find(:tag => "p", :child => { :content => "Some text" })
  57     assert doc.find(:tag => "p", :child => "Some text")
  58     assert doc.find(:tag => "p", :content => "Some text")
  59   end
  60
  61   def test_parse_xml
  62     assert_nothing_raised { HTML::Document.new("<tags><tag/></tags>", true, true) }
  63     assert_nothing_raised { HTML::Document.new("<outer><link>something</link></outer>", true, true) }
  64   end
  65
  66   def test_parse_document
  67     doc = HTML::Document.new(<<-HTML)
  68       <div>
  69         <h2>blah</h2>
  70         <table>
  71         </table>
  72       </div>
  73     HTML
  74     assert_not_nil doc.find(:tag => "div", :children => { :count => 1, :only => { :tag => "table" } })
  75   end
  76
  77   def test_tag_nesting_nothing_to_s
  78     doc = HTML::Document.new("<tag></tag>")
  79     assert_equal "<tag></tag>", doc.root.to_s
  80   end
  81
  82   def test_tag_nesting_space_to_s
  83     doc = HTML::Document.new("<tag> </tag>")
  84     assert_equal "<tag> </tag>", doc.root.to_s
  85   end
  86
  87   def test_tag_nesting_text_to_s
  88     doc = HTML::Document.new("<tag>text</tag>")
  89     assert_equal "<tag>text</tag>", doc.root.to_s
  90   end
  91
  92   def test_tag_nesting_tag_to_s
  93     doc = HTML::Document.new("<tag><nested /></tag>")
  94     assert_equal "<tag><nested /></tag>", doc.root.to_s
  95   end
  96
  97   def test_parse_cdata
  98     doc = HTML::Document.new(<<-HTML)
  99 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
 100         "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
 101 <html xmlns="http://www.w3.org/1999/xhtml" lang="en" xml:lang="en">
 102   <head>
 103     <title><![CDATA[<br>]]></title>
 104    </head>
 105   <body>
 106     <p>this document has &lt;br&gt; for a title</p>
 107   </body>
 108 </html>
 109 HTML
 110
 111     assert_nil doc.find(:tag => "title", :descendant => { :tag => "br" })
 112     assert doc.find(:tag => "title", :child => "<br>")
 113   end
 114
 115   def test_find_empty_tag
 116     doc = HTML::Document.new("<div id='map'></div>")
 117     assert_nil doc.find(:tag => "div", :attributes => { :id => "map" }, :content => /./)
 118     assert doc.find(:tag => "div", :attributes => { :id => "map" }, :content => /\A\Z/)
 119     assert doc.find(:tag => "div", :attributes => { :id => "map" }, :content => /^$/)
 120     assert doc.find(:tag => "div", :attributes => { :id => "map" }, :content => "")
 121     assert doc.find(:tag => "div", :attributes => { :id => "map" }, :content => nil)
 122   end
 123
 124   def test_parse_invalid_document
 125     assert_nothing_raised do
 126       doc = HTML::Document.new("<html>
 127         <table>
 128           <tr>
 129             <td style=\"color: #FFFFFF; height: 17px; onclick=\"window.location.href='http://www.rmeinc.com/about_rme.aspx'\" style=\"cursor:pointer; height: 17px;\"; nowrap onclick=\"window.location.href='http://www.rmeinc.com/about_rme.aspx'\" onmouseout=\"this.bgColor='#0066cc'; this.style.color='#FFFFFF'\" onmouseover=\"this.bgColor='#ffffff'; this.style.color='#0033cc'\">About Us</td>
 130           </tr>
 131         </table>
 132       </html>")
 133     end
 134   end
 135
 136   def test_invalid_document_raises_exception_when_strict
 137     assert_raises RuntimeError do
 138       doc = HTML::Document.new("<html>
 139         <table>
 140           <tr>
 141             <td style=\"color: #FFFFFF; height: 17px; onclick=\"window.location.href='http://www.rmeinc.com/about_rme.aspx'\" style=\"cursor:pointer; height: 17px;\"; nowrap onclick=\"window.location.href='http://www.rmeinc.com/about_rme.aspx'\" onmouseout=\"this.bgColor='#0066cc'; this.style.color='#FFFFFF'\" onmouseover=\"this.bgColor='#ffffff'; this.style.color='#0033cc'\">About Us</td>
 142           </tr>
 143         </table>
 144       </html>", true)
 145     end
 146   end
 147
 148 end