File: test_parser.rb

package info (click to toggle)
ruby-nokogiri 1.13.10%2Bdfsg-2
  • links: PTS, VCS
  • area: main
  • in suites: bookworm
  • size: 7,416 kB
  • sloc: ansic: 38,198; xml: 28,086; ruby: 22,271; java: 15,517; cpp: 7,037; yacc: 244; sh: 148; makefile: 136
file content (173 lines) | stat: -rw-r--r-- 5,048 bytes parent folder | download
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
# -*- coding: utf-8 -*-
# frozen_string_literal: true

require "helper"

module Nokogiri
  module HTML
    module SAX
      class TestParser < Nokogiri::SAX::TestCase
        def setup
          super
          @parser = HTML::SAX::Parser.new(Doc.new)
        end

        def test_parse_empty_document
          # This caused a segfault in libxml 2.6.x
          assert_nil(@parser.parse(""))
        end

        def test_parse_empty_file
          # Make sure empty files don't break stuff
          empty_file_name = File.join(ASSETS_DIR, "bogus.xml")
          @parser.parse_file(empty_file_name) # assert_nothing_raised
        end

        def test_parse_file
          @parser.parse_file(HTML_FILE)

          # Take a look at the comment in test_parse_document to know
          # a possible reason to this difference.
          if Nokogiri.uses_libxml?
            assert_equal(1111, @parser.document.end_elements.length)
          else
            assert_equal(1120, @parser.document.end_elements.length)
          end
        end

        def test_parse_file_nil_argument
          assert_raises(ArgumentError) do
            @parser.parse_file(nil)
          end
        end

        def test_parse_file_non_existant
          assert_raises(Errno::ENOENT) do
            @parser.parse_file("there_is_no_reasonable_way_this_file_exists")
          end
        end

        def test_parse_file_with_dir
          assert_raises(Errno::EISDIR) do
            @parser.parse_file(File.dirname(__FILE__))
          end
        end

        def test_parse_memory_nil
          assert_raises(TypeError) do
            @parser.parse_memory(nil)
          end
        end

        def test_parse_force_encoding
          @parser.parse_memory(<<-HTML, "UTF-8")
          <meta http-equiv="Content-Type" content="text/html; charset=windows-1251">
          Информация
          HTML
          assert_equal("Информация",
            @parser.document.data.join.strip)
        end

        def test_parse_document
          @parser.parse_memory(<<-eoxml)
            <p>Paragraph 1</p>
            <p>Paragraph 2</p>
          eoxml

          # JRuby version is different because of the internal implementation
          # JRuby version uses NekoHTML which inserts empty "head" elements.
          #
          # Currently following features are set:
          # "http://cyberneko.org/html/properties/names/elems" => "lower"
          # "http://cyberneko.org/html/properties/names/attrs" => "lower"
          if Nokogiri.uses_libxml?
            assert_equal([["html", []], ["body", []], ["p", []], ["p", []]],
              @parser.document.start_elements)
          else
            assert_equal([["html", []], ["head", []], ["body", []], ["p", []], ["p", []]],
              @parser.document.start_elements)
          end
        end

        def test_parser_attributes
          html = <<~eohtml
            <html>
              <head>
                <title>hello</title>
              </head>
            <body>
              <img src="face.jpg" title="daddy &amp; me">
              <hr noshade size="2">
            </body>
            </html>
          eohtml

          block_called = false
          @parser.parse(html) do |ctx|
            block_called = true
            ctx.replace_entities = true
          end

          assert(block_called)

          noshade_value = if Nokogiri.uses_libxml?("< 2.7.7")
            ["noshade", "noshade"]
          else
            ["noshade", nil]
          end

          assert_equal([
            ["html", []],
            ["head", []],
            ["title", []],
            ["body", []],
            ["img", [
              ["src", "face.jpg"],
              ["title", "daddy & me"],
            ],],
            ["hr", [
              noshade_value,
              ["size", "2"],
            ],],
          ], @parser.document.start_elements)
        end

        HTML_WITH_BR_TAG = <<-EOF
        <html>
          <head></head>
          <body>
            <div>
              hello
              <br>
            </div>

            <div>
              hello again
            </div>
          </body>
        </html>
        EOF

        def test_parsing_dom_error_from_string
          @parser.parse(HTML_WITH_BR_TAG)
          assert_equal(6, @parser.document.start_elements.length)
        end

        def test_parsing_dom_error_from_io
          @parser.parse(StringIO.new(HTML_WITH_BR_TAG))
          assert_equal(6, @parser.document.start_elements.length)
        end

        def test_empty_processing_instruction
          @parser.parse_memory("<strong>this will segfault<?strong>")
        end

        it "handles invalid types gracefully" do
          assert_raises(TypeError) { Nokogiri::HTML::SAX::Parser.new.parse(0xcafecafe) }
          assert_raises(TypeError) { Nokogiri::HTML::SAX::Parser.new.parse_memory(0xcafecafe) }
          assert_raises(TypeError) { Nokogiri::HTML::SAX::Parser.new.parse_io(0xcafecafe) }
        end
      end
    end
  end
end