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

   1 require 'abstract_unit'
   2
   3 class TokenizerTest < Test::Unit::TestCase
   4
   5   def test_blank
   6     tokenize ""
   7     assert_end
   8   end
   9
  10   def test_space
  11     tokenize " "
  12     assert_next " "
  13     assert_end
  14   end
  15
  16   def test_tag_simple_open
  17     tokenize "<tag>"
  18     assert_next "<tag>"
  19     assert_end
  20   end
  21
  22   def test_tag_simple_self_closing
  23     tokenize "<tag />"
  24     assert_next "<tag />"
  25     assert_end
  26   end
  27
  28   def test_tag_simple_closing
  29     tokenize "</tag>"
  30     assert_next "</tag>"
  31   end
  32
  33   def test_tag_with_single_quoted_attribute
  34     tokenize %{<tag a='hello'>x}
  35     assert_next %{<tag a='hello'>}
  36   end
  37
  38   def test_tag_with_single_quoted_attribute_with_escape
  39     tokenize %{<tag a='hello\\''>x}
  40     assert_next %{<tag a='hello\\''>}
  41   end
  42
  43   def test_tag_with_double_quoted_attribute
  44     tokenize %{<tag a="hello">x}
  45     assert_next %{<tag a="hello">}
  46   end
  47
  48   def test_tag_with_double_quoted_attribute_with_escape
  49     tokenize %{<tag a="hello\\"">x}
  50     assert_next %{<tag a="hello\\"">}
  51   end
  52
  53   def test_tag_with_unquoted_attribute
  54     tokenize %{<tag a=hello>x}
  55     assert_next %{<tag a=hello>}
  56   end
  57
  58   def test_tag_with_lt_char_in_attribute
  59     tokenize %{<tag a="x < y">x}
  60     assert_next %{<tag a="x < y">}
  61   end
  62
  63   def test_tag_with_gt_char_in_attribute
  64     tokenize %{<tag a="x > y">x}
  65     assert_next %{<tag a="x > y">}
  66   end
  67
  68   def test_doctype_tag
  69     tokenize %{<!DOCTYPE "blah" "blah" "blah">\n    <html>}
  70     assert_next %{<!DOCTYPE "blah" "blah" "blah">}
  71     assert_next %{\n    }
  72     assert_next %{<html>}
  73   end
  74
  75   def test_cdata_tag
  76     tokenize %{<![CDATA[<br>]]>}
  77     assert_next %{<![CDATA[<br>]]>}
  78     assert_end
  79   end
  80
  81   def test_unterminated_cdata_tag
  82     tokenize %{<content:encoded><![CDATA[ neverending...}
  83     assert_next %{<content:encoded>}
  84     assert_next %{<![CDATA[ neverending...}
  85     assert_end
  86   end
  87
  88   def test_less_than_with_space
  89     tokenize %{original < hello > world}
  90     assert_next %{original }
  91     assert_next %{< hello > world}
  92   end
  93
  94   def test_less_than_without_matching_greater_than
  95     tokenize %{hello <span onmouseover="gotcha"\n<b>foo</b>\nbar</span>}
  96     assert_next %{hello }
  97     assert_next %{<span onmouseover="gotcha"\n}
  98     assert_next %{<b>}
  99     assert_next %{foo}
 100     assert_next %{</b>}
 101     assert_next %{\nbar}
 102     assert_next %{</span>}
 103     assert_end
 104   end
 105
 106   def test_unterminated_comment
 107     tokenize %{hello <!-- neverending...}
 108     assert_next %{hello }
 109     assert_next %{<!-- neverending...}
 110     assert_end
 111   end
 112
 113   private
 114
 115     def tokenize(text)
 116       @tokenizer = HTML::Tokenizer.new(text)
 117     end
 118
 119     def assert_next(expected, message=nil)
 120       token = @tokenizer.next
 121       assert_equal expected, token, message
 122     end
 123
 124     def assert_sequence(*expected)
 125       assert_next expected.shift until expected.empty?
 126     end
 127
 128     def assert_end(message=nil)
 129       assert_nil @tokenizer.next, message
 130     end
 131 end