/
encoding_spec.rb
323 lines (284 loc) · 10.3 KB
/
encoding_spec.rb
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
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
# encoding: UTF-8
require File.expand_path(File.dirname(__FILE__) + '/../spec_helper.rb')
require 'tmpdir'
require 'zlib'
class Dummy2
def to_json
"{\"hawtness\":true}"
end
end
class TheMindKiller
def to_json
nil
end
end
class TheMindKillerDuce
def to_s
nil
end
end
describe "Yajl JSON encoder" do
FILES = Dir[File.dirname(__FILE__)+'/../../benchmark/subjects/*.json']
FILES.each do |file|
it "should encode #{File.basename(file)} to an StringIO" do
# we don't care about testing the stream subject as it has multiple JSON strings in it
if File.basename(file) != 'twitter_stream.json'
input = File.new(File.expand_path(file), 'r')
io = StringIO.new
encoder = Yajl::Encoder.new
hash = Yajl::Parser.parse(input)
encoder.encode(hash, io)
io.rewind
hash2 = Yajl::Parser.parse(io)
io.close
input.close
expect(hash).to eq(hash2)
end
end
end
FILES.each do |file|
it "should encode #{File.basename(file)} to a Zlib::GzipWriter" do
# we don't care about testing the stream subject as it has multiple JSON strings in it
if File.basename(file) != 'twitter_stream.json'
hash = File.open(File.expand_path(file), 'r') do |input|
Yajl::Parser.parse(input)
end
hash2 = Dir.mktmpdir do |tmp_dir|
output_filename = File.join(tmp_dir, 'output.json')
Zlib::GzipWriter.open(output_filename) do |writer|
Yajl::Encoder.encode(hash, writer)
end
Zlib::GzipReader.open(output_filename) do |reader|
Yajl::Parser.parse(reader.read)
end
end
expect(hash).to eq(hash2)
end
end
end
FILES.each do |file|
it "should encode #{File.basename(file)} and return a String" do
# we don't care about testing the stream subject as it has multiple JSON strings in it
if File.basename(file) != 'twitter_stream.json'
input = File.new(File.expand_path(file), 'r')
encoder = Yajl::Encoder.new
hash = Yajl::Parser.parse(input)
output = encoder.encode(hash)
hash2 = Yajl::Parser.parse(output)
input.close
expect(hash).to eq(hash2)
end
end
end
FILES.each do |file|
it "should encode #{File.basename(file)} call the passed block, passing it a String" do
# we don't care about testing the stream subject as it has multiple JSON strings in it
if File.basename(file) != 'twitter_stream.json'
input = File.new(File.expand_path(file), 'r')
encoder = Yajl::Encoder.new
hash = Yajl::Parser.parse(input)
output = ''
encoder.encode(hash) do |json_str|
output << json_str
end
hash2 = Yajl::Parser.parse(output)
input.close
expect(hash).to eq(hash2)
end
end
end
it "should encode with :pretty turned on and a single space indent, to an IO" do
output = "{\n \"foo\": 1234\n}"
obj = {:foo => 1234}
io = StringIO.new
encoder = Yajl::Encoder.new(:pretty => true, :indent => ' ')
encoder.encode(obj, io)
io.rewind
expect(io.read).to eq(output)
end
it "should encode with :pretty turned on and a single space indent, and return a String" do
output = "{\n \"foo\": 1234\n}"
obj = {:foo => 1234}
encoder = Yajl::Encoder.new(:pretty => true, :indent => ' ')
output = encoder.encode(obj)
expect(output).to eq(output)
end
it "should encode with :pretty turned on and a tab character indent, to an IO" do
output = "{\n\t\"foo\": 1234\n}"
obj = {:foo => 1234}
io = StringIO.new
encoder = Yajl::Encoder.new(:pretty => true, :indent => "\t")
encoder.encode(obj, io)
io.rewind
expect(io.read).to eq(output)
end
it "should encode with :pretty turned on and a tab character indent, and return a String" do
output = "{\n\t\"foo\": 1234\n}"
obj = {:foo => 1234}
encoder = Yajl::Encoder.new(:pretty => true, :indent => "\t")
output = encoder.encode(obj)
expect(output).to eq(output)
end
it "should encode with it's class method with :pretty and a tab character indent options set, to an IO" do
output = "{\n\t\"foo\": 1234\n}"
obj = {:foo => 1234}
io = StringIO.new
Yajl::Encoder.encode(obj, io, :pretty => true, :indent => "\t")
io.rewind
expect(io.read).to eq(output)
end
it "should encode with it's class method with :pretty and a tab character indent options set, and return a String" do
output = "{\n\t\"foo\": 1234\n}"
obj = {:foo => 1234}
output = Yajl::Encoder.encode(obj, :pretty => true, :indent => "\t")
expect(output).to eq(output)
end
it "should encode with it's class method with :pretty and a tab character indent options set, to a block" do
output = "{\n\t\"foo\": 1234\n}"
obj = {:foo => 1234}
output = ''
Yajl::Encoder.encode(obj, :pretty => true, :indent => "\t") do |json_str|
output = json_str
end
expect(output).to eq(output)
end
it "should encode multiple objects into a single stream, to an IO" do
io = StringIO.new
obj = {:foo => 1234}
encoder = Yajl::Encoder.new
5.times do
encoder.encode(obj, io)
end
io.rewind
output = "{\"foo\":1234}{\"foo\":1234}{\"foo\":1234}{\"foo\":1234}{\"foo\":1234}"
expect(io.read).to eq(output)
end
it "should encode multiple objects into a single stream, and return a String" do
obj = {:foo => 1234}
encoder = Yajl::Encoder.new
json_output = ''
5.times do
json_output << encoder.encode(obj)
end
output = "{\"foo\":1234}{\"foo\":1234}{\"foo\":1234}{\"foo\":1234}{\"foo\":1234}"
expect(json_output).to eq(output)
end
it "should encode all map keys as strings" do
expect(Yajl::Encoder.encode({1=>1})).to eql("{\"1\":1}")
end
it "should check for and call #to_json if it exists on custom objects" do
d = Dummy2.new
expect(Yajl::Encoder.encode({:foo => d})).to eql('{"foo":{"hawtness":true}}')
end
it "should encode a hash where the key and value can be symbols" do
expect(Yajl::Encoder.encode({:foo => :bar})).to eql('{"foo":"bar"}')
end
it "should encode using a newline or nil terminator" do
expect(Yajl::Encoder.new(:terminator => "\n").encode({:foo => :bar})).to eql("{\"foo\":\"bar\"}\n")
expect(Yajl::Encoder.new(:terminator => nil).encode({:foo => :bar})).to eql("{\"foo\":\"bar\"}")
end
it "should encode using a newline or nil terminator, to an IO" do
s = StringIO.new
Yajl::Encoder.new(:terminator => "\n").encode({:foo => :bar}, s)
s.rewind
expect(s.read).to eql("{\"foo\":\"bar\"}\n")
s = StringIO.new
Yajl::Encoder.new(:terminator => nil).encode({:foo => :bar}, s)
s.rewind
expect(s.read).to eql("{\"foo\":\"bar\"}")
end
it "should encode using a newline or nil terminator, using a block" do
s = StringIO.new
Yajl::Encoder.new(:terminator => "\n").encode({:foo => :bar}) do |chunk|
s << chunk
end
s.rewind
expect(s.read).to eql("{\"foo\":\"bar\"}\n")
s = StringIO.new
nilpassed = false
Yajl::Encoder.new(:terminator => nil).encode({:foo => :bar}) do |chunk|
nilpassed = true if chunk.nil?
s << chunk
end
expect(nilpassed).to be_truthy
s.rewind
expect(s.read).to eql("{\"foo\":\"bar\"}")
end
it "should not encode NaN" do
expect {
Yajl::Encoder.encode(0.0/0.0)
}.to raise_error(Yajl::EncodeError)
end
it "should not encode Infinity or -Infinity" do
expect {
Yajl::Encoder.encode(1.0/0.0)
}.to raise_error(Yajl::EncodeError)
expect {
Yajl::Encoder.encode(-1.0/0.0)
}.to raise_error(Yajl::EncodeError)
end
it "should encode with unicode chars in the key" do
hash = {"浅草" => "<- those are unicode"}
expect(Yajl::Encoder.encode(hash)).to eql("{\"浅草\":\"<- those are unicode\"}")
end
if RUBY_VERSION =~ /^1.9/
it "should return a string encoded in utf-8 if Encoding.default_internal is nil" do
Encoding.default_internal = nil
hash = {"浅草" => "<- those are unicode"}
expect(Yajl::Encoder.encode(hash).encoding).to eql(Encoding.find('utf-8'))
end
it "should return a string encoded in utf-8 even if Encoding.default_internal *is* set" do
Encoding.default_internal = Encoding.find('utf-8')
hash = {"浅草" => "<- those are unicode"}
expect(Yajl::Encoder.encode(hash).encoding).to eql(Encoding.default_internal)
Encoding.default_internal = Encoding.find('us-ascii')
hash = {"浅草" => "<- those are unicode"}
expect(Yajl::Encoder.encode(hash).encoding).to eql(Encoding.find('utf-8'))
end
end
it "should be able to escape / characters if html_safe is enabled" do
unsafe_encoder = Yajl::Encoder.new(:html_safe => false)
safe_encoder = Yajl::Encoder.new(:html_safe => true)
expect(unsafe_encoder.encode("</script>")).not_to eql("\"<\\/script>\"")
expect(safe_encoder.encode("</script>")).to eql("\"<\\/script>\"")
end
it "should not encode characters with entities by default" do
expect(Yajl.dump("\u2028\u2029><&")).to eql("\"\u2028\u2029><&\"")
end
it "should encode characters with entities when enabled" do
expect(Yajl.dump("\u2028\u2029><&", entities: true)).to eql("\"\\u2028\\u2029\\u003E\\u003C\\u0026\"")
end
it "should default to *not* escaping / characters" do
unsafe_encoder = Yajl::Encoder.new
expect(unsafe_encoder.encode("</script>")).not_to eql("\"<\\/script>\"")
end
it "return value of #to_json must be a string" do
expect {
Yajl::Encoder.encode(TheMindKiller.new)
}.to raise_error(TypeError)
end
it "return value of #to_s must be a string" do
expect {
if TheMindKillerDuce.send(:method_defined?, :to_json)
TheMindKillerDuce.send(:undef_method, :to_json)
end
Yajl::Encoder.encode(TheMindKillerDuce.new)
}.to raise_error(TypeError)
end
it "should raise an exception for deeply nested arrays" do
root = []
a = root
(Yajl::MAX_DEPTH + 1).times { |_| a << []; a = a[0] }
expect {
Yajl::Encoder.encode(root)
}.to raise_error(Yajl::EncodeError)
end
it "should raise an exception for deeply nested hashes" do
root = {}
a = root
(Yajl::MAX_DEPTH + 1).times { |_| a["a"] = {}; a = a["a"] }
expect {
Yajl::Encoder.encode(root)
}.to raise_error(Yajl::EncodeError)
end
end