summaryrefslogtreecommitdiff
path: root/test/psych/test_encoding.rb
blob: 517cae20692de3bdd88493bd1baca930f86df5a6 (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
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
# -*- coding: utf-8 -*-

require_relative 'helper'

module Psych
  class TestEncoding < TestCase
    class EncodingCatcher < Handler
      attr_reader :strings
      def initialize
        @strings = []
      end

      (Handler.instance_methods(true) -
       Object.instance_methods).each do |m|
        class_eval %{
          def #{m} *args
            @strings += args.flatten.find_all { |a|
              String === a
            }
          end
        }
      end
    end

    def setup
      super
      @buffer  = StringIO.new
      @handler = EncodingCatcher.new
      @parser  = Psych::Parser.new @handler
      @utf8    = Encoding.find('UTF-8')
      @emitter = Psych::Emitter.new @buffer
    end

    def test_dump_load_encoding_object
      assert_cycle Encoding::US_ASCII
      assert_cycle Encoding::UTF_8
    end

    def test_transcode_shiftjis
      str = "こんにちは!"
      loaded = Psych.load("--- こんにちは!".encode('SHIFT_JIS'))
      assert_equal str, loaded
    end

    def test_transcode_utf16le
      str = "こんにちは!"
      loaded = Psych.load("--- こんにちは!".encode('UTF-16LE'))
      assert_equal str, loaded
    end

    def test_transcode_utf16be
      str = "こんにちは!"
      loaded = Psych.load("--- こんにちは!".encode('UTF-16BE'))
      assert_equal str, loaded
    end

    def test_io_shiftjis
      Tempfile.create(['shiftjis', 'yml'], :encoding => 'SHIFT_JIS') {|t|
        t.write '--- こんにちは!'
        t.close

        # If the external encoding isn't utf8, utf16le, or utf16be, we cannot
        # process the file.
        File.open(t.path, 'r', :encoding => 'SHIFT_JIS') do |f|
          assert_raises Psych::SyntaxError do
            Psych.load(f)
          end
        end
      }
    end

    def test_io_utf16le
      Tempfile.create(['utf16le', 'yml']) {|t|
        t.binmode
        t.write '--- こんにちは!'.encode('UTF-16LE')
        t.close

        File.open(t.path, 'rb', :encoding => 'UTF-16LE') do |f|
          assert_equal "こんにちは!", Psych.load(f)
        end
      }
    end

    def test_io_utf16be
      Tempfile.create(['utf16be', 'yml']) {|t|
        t.binmode
        t.write '--- こんにちは!'.encode('UTF-16BE')
        t.close

        File.open(t.path, 'rb', :encoding => 'UTF-16BE') do |f|
          assert_equal "こんにちは!", Psych.load(f)
        end
      }
    end

    def test_io_utf8
      Tempfile.create(['utf8', 'yml']) {|t|
        t.binmode
        t.write '--- こんにちは!'.encode('UTF-8')
        t.close

        File.open(t.path, 'rb', :encoding => 'UTF-8') do |f|
          assert_equal "こんにちは!", Psych.load(f)
        end
      }
    end

    def test_emit_alias
      @emitter.start_stream Psych::Parser::UTF8
      @emitter.start_document [], [], true
      e = assert_raises(RuntimeError) do
        @emitter.alias 'ドラえもん'.encode('EUC-JP')
      end
      assert_match(/alias value/, e.message)
    end

    def test_to_yaml_is_valid
      with_default_external(Encoding::US_ASCII) do
        with_default_internal(nil) do
          s = "こんにちは!"
          # If no encoding is specified, use UTF-8
          assert_equal Encoding::UTF_8, Psych.dump(s).encoding
          assert_equal s, Psych.load(Psych.dump(s))
        end
      end
    end

    def test_start_mapping
      foo = 'foo'
      bar = 'バー'

      @emitter.start_stream Psych::Parser::UTF8
      @emitter.start_document [], [], true
      @emitter.start_mapping(
        foo.encode('Shift_JIS'),
        bar.encode('UTF-16LE'),
        false, Nodes::Sequence::ANY)
      @emitter.end_mapping
      @emitter.end_document false
      @emitter.end_stream

      @parser.parse @buffer.string
      assert_encodings @utf8, @handler.strings
      assert_equal [foo, bar], @handler.strings
    end

    def test_start_sequence
      foo = 'foo'
      bar = 'バー'

      @emitter.start_stream Psych::Parser::UTF8
      @emitter.start_document [], [], true
      @emitter.start_sequence(
        foo.encode('Shift_JIS'),
        bar.encode('UTF-16LE'),
        false, Nodes::Sequence::ANY)
      @emitter.end_sequence
      @emitter.end_document false
      @emitter.end_stream

      @parser.parse @buffer.string
      assert_encodings @utf8, @handler.strings
      assert_equal [foo, bar], @handler.strings
    end

    def test_doc_tag_encoding
      key = '鍵'
      @emitter.start_stream Psych::Parser::UTF8
      @emitter.start_document(
        [1, 1],
        [['!'.encode('EUC-JP'), key.encode('EUC-JP')]],
        true
      )
      @emitter.scalar 'foo', nil, nil, true, false, Nodes::Scalar::ANY
      @emitter.end_document false
      @emitter.end_stream

      @parser.parse @buffer.string
      assert_encodings @utf8, @handler.strings
      assert_equal key, @handler.strings[1]
    end

    def test_emitter_encoding
      str  = "壁に耳あり、障子に目あり"
      thing = Psych.load Psych.dump str.encode('EUC-JP')
      assert_equal str, thing
    end

    def test_default_internal
      with_default_internal(Encoding::EUC_JP) do
        str  = "壁に耳あり、障子に目あり"
        assert_equal @utf8, str.encoding

        @parser.parse str
        assert_encodings Encoding::EUC_JP, @handler.strings
        assert_equal str, @handler.strings.first.encode('UTF-8')
      end
    end

    def test_scalar
      @parser.parse("--- a")
      assert_encodings @utf8, @handler.strings
    end

    def test_alias
      @parser.parse(<<-eoyml)
%YAML 1.1
---
!!seq [
  !!str "Without properties",
  &A !!str "Anchored",
  !!str "Tagged",
  *A,
  !!str "",
]
      eoyml
      assert_encodings @utf8, @handler.strings
    end

    def test_list_anchor
      list = %w{ a b }
      list << list
      @parser.parse(Psych.dump(list))
      assert_encodings @utf8, @handler.strings
    end

    def test_map_anchor
      h = {}
      h['a'] = h
      @parser.parse(Psych.dump(h))
      assert_encodings @utf8, @handler.strings
    end

    def test_map_tag
      @parser.parse(<<-eoyml)
%YAML 1.1
---
!!map { a : b }
      eoyml
      assert_encodings @utf8, @handler.strings
    end

    def test_doc_tag
      @parser.parse(<<-eoyml)
%YAML 1.1
%TAG ! tag:tenderlovemaking.com,2009:
--- !fun
      eoyml
      assert_encodings @utf8, @handler.strings
    end

    private
    def assert_encodings encoding, strings
      strings.each do |str|
        assert_equal encoding, str.encoding, str
      end
    end
  end
end