summaryrefslogtreecommitdiff
path: root/test/rexml/test_entity.rb
blob: 7b9f39495f7780b3dfbc02e3a53e8878c06ee0db (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
require "test/unit/testcase"

require 'rexml/document'
require 'rexml/entity'
require 'rexml/source'

class EntityTester < Test::Unit::TestCase
  def test_parse_general_decl
    simple = "<!ENTITY foo 'bar'>"
    simple =~ /#{REXML::Entity::GEDECL}/
    assert $&
    assert_equal simple, $&

    REXML::Entity::ENTITYDECL =~ simple
    assert REXML::Entity::matches?(simple)
    match = REXML::Entity::ENTITYDECL.match(simple)
    assert_equal 'foo', match[1]
    assert_equal "'bar'", match[2]

    simple = '<!ENTITY Pub-Status
    "This is a pre-release of the specification.">'
    assert REXML::Entity::matches?(simple)
    match = REXML::Entity::ENTITYDECL.match(simple)
    assert_equal 'Pub-Status', match[1]
    assert_equal '"This is a pre-release of the specification."', match[2]

    txt = '"This is a
    pre-release of <the> specification."'
    simple = "<!ENTITY     Pub-Status
    #{txt}>"
    assert REXML::Entity::matches?(simple)
    match = REXML::Entity::ENTITYDECL.match(simple)
    assert_equal 'Pub-Status', match[1]
    assert_equal txt, match[2]
  end

  def test_parse_external_decl
    zero = '<!ENTITY open-hatch SYSTEM "http://www.textuality.com/boilerplate/OpenHatch.xml" >'
    one = '<!ENTITY open-hatch
              SYSTEM "http://www.textuality.com/boilerplate/OpenHatch.xml">'
    two = '<!ENTITY open-hatch
              PUBLIC "-//Textuality//TEXT Standard open-hatch boilerplate//EN"
              "http://www.textuality.com/boilerplate/OpenHatch.xml">'
    three = '<!ENTITY hatch-pic
              SYSTEM "../grafix/OpenHatch.gif"
              NDATA gif >'
    assert REXML::Entity::matches?(zero)
    assert REXML::Entity::matches?(one)
    assert REXML::Entity::matches?(two)
    assert REXML::Entity::matches?(three)
  end

  def test_parse_entity
    one = %q{<!ENTITY % YN '"Yes"'>}
    two = %q{<!ENTITY WhatHeSaid "He said %YN;">}
    assert REXML::Entity::matches?(one)
    assert REXML::Entity::matches?(two)
  end

  def test_constructor
    one = [ %q{<!ENTITY % YN '"Yes"'>},
      %q{<!ENTITY % YN2 "Yes">},
      %q{<!ENTITY WhatHeSaid "He said %YN;">},
      '<!ENTITY open-hatch
              SYSTEM "http://www.textuality.com/boilerplate/OpenHatch.xml">',
      '<!ENTITY open-hatch2
              PUBLIC "-//Textuality//TEXT Standard open-hatch boilerplate//EN"
              "http://www.textuality.com/boilerplate/OpenHatch.xml">',
      '<!ENTITY hatch-pic
              SYSTEM "../grafix/OpenHatch.gif"
              NDATA gif>' ]
    source = %q{<!DOCTYPE foo [
      <!ENTITY % YN '"Yes"'>
      <!ENTITY % YN2 "Yes">
      <!ENTITY WhatHeSaid "He said %YN;">
      <!ENTITY open-hatch
              SYSTEM "http://www.textuality.com/boilerplate/OpenHatch.xml">
      <!ENTITY open-hatch2
              PUBLIC "-//Textuality//TEXT Standard open-hatch boilerplate//EN"
              "http://www.textuality.com/boilerplate/OpenHatch.xml">
      <!ENTITY hatch-pic
              SYSTEM "../grafix/OpenHatch.gif"
              NDATA gif>
    ]>}

    d = REXML::Document.new( source )
    dt = d.doctype
    c = 0
    dt.each do |child|
      if child.kind_of? REXML::Entity
        str = one[c].tr("\r\n\t", '   ').squeeze(" ")
        assert_equal str, child.to_s
        c+=1
      end
    end
  end

  def test_replace_entities
    source = "<!DOCTYPE blah [\n<!ENTITY foo \"bar\">\n]><a>&foo;</a>"
    doc = REXML::Document.new(source)
    assert_equal 'bar', doc.root.text
    out = ''
    doc.write out
    assert_equal source, out
  end

  def test_entity_string_limit
    template = '<!DOCTYPE bomb [ <!ENTITY a "^" > ]> <bomb>$</bomb>'
    len      = 5120 # 5k per entity
    template.sub!(/\^/, "B" * len)

    # 10k is OK
    entities = '&a;' * 2 # 5k entity * 2 = 10k
    xmldoc = REXML::Document.new(template.sub(/\$/, entities))
    assert_equal(len * 2, xmldoc.root.text.bytesize)

    # above 10k explodes
    entities = '&a;' * 3 # 5k entity * 2 = 15k
    xmldoc = REXML::Document.new(template.sub(/\$/, entities))
    assert_raises(RuntimeError) do
      xmldoc.root.text
    end
  end

  def test_raw
    source = '<!DOCTYPE foo [
<!ENTITY ent "replace">
]><a>replace &ent;</a>'
    doc = REXML::Document.new( source, {:raw=>:all})
    assert_equal('replace &ent;', doc.root.get_text.to_s)
    assert_equal(source, doc.to_s)
  end

  def test_lazy_evaluation
    source = '<!DOCTYPE foo [
<!ENTITY ent "replace">
]><a>replace &ent;</a>'
    doc = REXML::Document.new( source )
    assert_equal(source, doc.to_s)
    assert_equal("replace replace", doc.root.text)
    assert_equal(source, doc.to_s)
  end

  # Contributed (not only test, but bug fix!!) by Kouhei Sutou
  def test_entity_replacement
    source = %q{<!DOCTYPE foo [
    <!ENTITY % YN '"Yes"'>
    <!ENTITY WhatHeSaid "He said %YN;">]>
    <a>&WhatHeSaid;</a>}

    d = REXML::Document.new( source )
    dt = d.doctype
    assert_equal( '"Yes"', dt.entities[ "YN" ].value )
    assert_equal( 'He said "Yes"', dt.entities[ "WhatHeSaid" ].value )
    assert_equal( 'He said "Yes"', d.elements[1].text )
  end

  # More unit tests from Kouhei.  I looove users who give me unit tests.
  def test_entity_insertions
    assert_equal("&amp;", REXML::Text.new("&amp;", false, nil, true).to_s)
    #assert_equal("&", REXML::Text.new("&amp;", false, false).to_s)
  end

  def test_single_pass_unnormalization # ticket 123
    assert_equal '&amp;&', REXML::Text::unnormalize('&#38;amp;&amp;')
  end

  def test_entity_filter
    document = REXML::Document.new(<<-XML)
<!DOCTYPE root [
<!ENTITY copy "(c)">
<!ENTITY release-year "2013">
]>
<root/>
XML
    respect_whitespace = false
    parent = document.root
    raw = false
    entity_filter = ["copy"]
    assert_equal("(c) &release-year;",
                 REXML::Text.new("(c) 2013",
                                 respect_whitespace,
                                 parent,
                                 raw,
                                 entity_filter).to_s)
  end
end