forked from msgpack/msgpack-ruby
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathfactory_spec.rb
More file actions
794 lines (656 loc) · 24.4 KB
/
factory_spec.rb
File metadata and controls
794 lines (656 loc) · 24.4 KB
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
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
require 'spec_helper'
describe MessagePack::Factory do
subject do
described_class.new
end
describe '#packer' do
it 'creates a Packer instance' do
subject.packer.should be_kind_of(MessagePack::Packer)
end
it 'creates new instance' do
subject.packer.object_id.should_not == subject.packer.object_id
end
end
describe '#unpacker' do
it 'creates a Unpacker instance' do
subject.unpacker.should be_kind_of(MessagePack::Unpacker)
end
it 'creates new instance' do
subject.unpacker.object_id.should_not == subject.unpacker.object_id
end
it 'creates unpacker with symbolize_keys option' do
unpacker = subject.unpacker(symbolize_keys: true)
unpacker.feed(MessagePack.pack({'k'=>'v'}))
unpacker.read.should == {:k => 'v'}
end
it 'creates unpacker with allow_unknown_ext option' do
unpacker = subject.unpacker(allow_unknown_ext: true)
unpacker.feed(MessagePack::ExtensionValue.new(1, 'a').to_msgpack)
unpacker.read.should == MessagePack::ExtensionValue.new(1, 'a')
end
it 'creates unpacker without allow_unknown_ext option' do
unpacker = subject.unpacker
unpacker.feed(MessagePack::ExtensionValue.new(1, 'a').to_msgpack)
expect{ unpacker.read }.to raise_error(MessagePack::UnknownExtTypeError)
end
it 'does not share the extension registry with unpackers' do
subject.register_type(0x00, Symbol)
expect do
unpacker = subject.unpacker
expect do
unpacker.register_type(0x01) {}
end.to change { unpacker.registered_types }
second_unpacker = subject.unpacker
expect do
second_unpacker.register_type(0x01) {}
end.to_not change { unpacker.registered_types }
end.to_not change { subject.registered_types }
end
end
describe '#dump and #load' do
it 'can be used like a standard coder' do
subject.register_type(0x00, Symbol)
expect(subject.load(subject.dump(:symbol))).to be == :symbol
end
it 'is alias as pack and unpack' do
subject.register_type(0x00, Symbol)
expect(subject.unpack(subject.pack(:symbol))).to be == :symbol
end
it 'accept options' do
hash = subject.unpack(MessagePack.pack('k' => 'v'), symbolize_keys: true)
expect(hash).to be == { k: 'v' }
end
end
describe '#freeze' do
it 'can freeze factory instance to deny new registrations anymore' do
subject.register_type(0x00, Symbol)
subject.freeze
expect(subject.frozen?).to be_truthy
expect{ subject.register_type(0x01, Array) }.to raise_error(FrozenError, "can't modify frozen MessagePack::Factory")
end
end
class MyType
def initialize(a, b)
@a = a
@b = b
end
attr_reader :a, :b
def to_msgpack_ext
[a, b].pack('CC')
end
def self.from_msgpack_ext(data)
new(*data.unpack('CC'))
end
def to_msgpack_ext_only_a
[a, 0].pack('CC')
end
def self.from_msgpack_ext_only_b(data)
a, b = *data.unpack('CC')
new(0, b)
end
end
class MyType2 < MyType
end
describe '#registered_types' do
it 'returns Array' do
expect(subject.registered_types).to be_instance_of(Array)
end
it 'returns Array of Hash contains :type, :class, :packer, :unpacker' do
subject.register_type(0x20, ::MyType)
subject.register_type(0x21, ::MyType2)
list = subject.registered_types
expect(list.size).to eq(2)
expect(list[0]).to be_instance_of(Hash)
expect(list[1]).to be_instance_of(Hash)
expect(list[0].keys.sort).to eq([:type, :class, :packer, :unpacker].sort)
expect(list[1].keys.sort).to eq([:type, :class, :packer, :unpacker].sort)
expect(list[0][:type]).to eq(0x20)
expect(list[0][:class]).to eq(::MyType)
expect(list[0][:packer]).to be_a(Proc)
expect(list[0][:unpacker]).to be_a(Proc)
expect(list[1][:type]).to eq(0x21)
expect(list[1][:class]).to eq(::MyType2)
expect(list[1][:packer]).to be_a(Proc)
expect(list[1][:unpacker]).to be_a(Proc)
end
it 'returns Array of Hash which has nil for unregistered feature' do
subject.register_type(0x20, ::MyType, packer: :to_msgpack_ext)
subject.register_type(0x21, ::MyType2, unpacker: :from_msgpack_ext)
list = subject.registered_types
expect(list.size).to eq(2)
expect(list[0]).to be_instance_of(Hash)
expect(list[1]).to be_instance_of(Hash)
expect(list[0].keys.sort).to eq([:type, :class, :packer, :unpacker].sort)
expect(list[1].keys.sort).to eq([:type, :class, :packer, :unpacker].sort)
expect(list[0][:type]).to eq(0x20)
expect(list[0][:class]).to eq(::MyType)
expect(list[0][:packer]).to be_a(Proc)
expect(list[0][:unpacker]).to be_nil
expect(list[1][:type]).to eq(0x21)
expect(list[1][:class]).to eq(::MyType2)
expect(list[1][:packer]).to be_nil
expect(list[1][:unpacker]).to be_a(Proc)
list = subject.registered_types(:packer)
expect(list.size).to eq(1)
expect(list[0]).to be_instance_of(Hash)
expect(list[0].keys.sort).to eq([:type, :class, :packer].sort)
expect(list[0][:type]).to eq(0x20)
expect(list[0][:class]).to eq(::MyType)
expect(list[0][:packer]).to be_a(Proc)
list = subject.registered_types(:unpacker)
expect(list.size).to eq(1)
expect(list[0]).to be_instance_of(Hash)
expect(list[0].keys.sort).to eq([:type, :class, :unpacker].sort)
expect(list[0][:type]).to eq(0x21)
expect(list[0][:class]).to eq(::MyType2)
expect(list[0][:unpacker]).to be_a(Proc)
end
end
describe '#type_registered?' do
it 'receive Class or Integer, and return bool' do
expect(subject.type_registered?(0x00)).to be_falsy
expect(subject.type_registered?(0x01)).to be_falsy
expect(subject.type_registered?(::MyType)).to be_falsy
end
it 'has option to specify what types are registered for' do
expect(subject.type_registered?(0x00, :both)).to be_falsy
expect(subject.type_registered?(0x00, :packer)).to be_falsy
expect(subject.type_registered?(0x00, :unpacker)).to be_falsy
expect{ subject.type_registered?(0x00, :something) }.to raise_error(ArgumentError)
end
it 'returns true if specified type or class is already registered' do
subject.register_type(0x20, ::MyType)
subject.register_type(0x21, ::MyType2)
expect(subject.type_registered?(0x00)).to be_falsy
expect(subject.type_registered?(0x01)).to be_falsy
expect(subject.type_registered?(0x20)).to be_truthy
expect(subject.type_registered?(0x21)).to be_truthy
expect(subject.type_registered?(::MyType)).to be_truthy
expect(subject.type_registered?(::MyType2)).to be_truthy
end
end
describe '#register_type' do
let :src do
::MyType.new(1, 2)
end
it 'registers #to_msgpack_ext and .from_msgpack_ext by default' do
subject.register_type(0x7f, ::MyType)
data = subject.packer.write(src).to_s
my = subject.unpacker.feed(data).read
my.a.should == 1
my.b.should == 2
end
it 'registers custom packer method name' do
subject.register_type(0x7f, ::MyType, packer: :to_msgpack_ext_only_a, unpacker: :from_msgpack_ext)
data = subject.packer.write(src).to_s
my = subject.unpacker.feed(data).read
my.a.should == 1
my.b.should == 0
end
it 'registers custom unpacker method name' do
subject.register_type(0x7f, ::MyType, packer: :to_msgpack_ext, unpacker: 'from_msgpack_ext_only_b')
data = subject.packer.write(src).to_s
my = subject.unpacker.feed(data).read
my.a.should == 0
my.b.should == 2
end
it 'registers custom proc objects' do
pk = lambda {|obj| [obj.a + obj.b].pack('C') }
uk = lambda {|data| ::MyType.new(data.unpack('C').first, -1) }
subject.register_type(0x7f, ::MyType, packer: pk, unpacker: uk)
data = subject.packer.write(src).to_s
my = subject.unpacker.feed(data).read
my.a.should == 3
my.b.should == -1
end
it 'does not affect existent packer and unpackers' do
subject.register_type(0x7f, ::MyType)
packer = subject.packer
unpacker = subject.unpacker
subject.register_type(0x7f, ::MyType, packer: :to_msgpack_ext_only_a, unpacker: :from_msgpack_ext_only_b)
data = packer.write(src).to_s
my = unpacker.feed(data).read
my.a.should == 1
my.b.should == 2
end
it 'handles Symbol type with `packer: nil`' do
factory = MessagePack::Factory.new
factory.register_type(0x00, Symbol, packer: nil)
expect(factory.load(factory.dump(:foo))).to be == "foo"
end
describe "registering multiple ext type for the same class" do
let(:payload) do
factory = MessagePack::Factory.new
factory.register_type(0x01, Symbol, packer: :to_s, unpacker: :to_sym.to_proc)
factory.dump(:foobar)
end
it "select the type based on code for deserialization" do
factory = MessagePack::Factory.new
factory.register_type(0x00, Symbol, packer: -> (value) { raise NotImplementedError }, unpacker: -> (value) { raise NotImplementedError })
factory.register_type(0x01, Symbol, packer: :to_s, unpacker: :to_sym.to_proc)
factory.register_type(0x02, Symbol, packer: -> (value) { raise NotImplementedError }, unpacker: -> (value) { raise NotImplementedError })
expect(factory.load(payload)).to be == :foobar
end
it "uses the last registered packer for serialization" do
factory = MessagePack::Factory.new
factory.register_type(0x00, Symbol, packer: -> (value) { raise NotImplementedError }, unpacker: -> (value) { raise NotImplementedError })
factory.register_type(0x02, Symbol, packer: -> (value) { raise NotImplementedError }, unpacker: -> (value) { raise NotImplementedError })
factory.register_type(0x01, Symbol, packer: :to_s, unpacker: :to_sym.to_proc)
expect(factory.dump(:foobar)).to be == payload
end
end
describe "registering an ext type for a module" do
before do
mod = Module.new do
def self.from_msgpack_ext(data)
"unpacked #{data}"
end
def to_msgpack_ext
'value_msgpacked'
end
end
stub_const('Mod', mod)
end
let(:factory) { described_class.new }
before { factory.register_type(0x01, Mod) }
describe "packing an object whose class included the module" do
subject { factory.packer.pack(value).to_s }
before { stub_const('Value', Class.new{ include Mod }) }
let(:value) { Value.new }
it { is_expected.to eq "\xC7\x0F\x01value_msgpacked".force_encoding(Encoding::BINARY) }
end
describe "packing an object which has been extended by the module" do
subject { factory.packer.pack(object).to_s }
let(:object) { Object.new.extend Mod }
it { is_expected.to eq "\xC7\x0F\x01value_msgpacked".force_encoding(Encoding::BINARY) }
end
describe "unpacking with the module" do
subject { factory.unpacker.feed("\xC7\x06\x01module".force_encoding(Encoding::BINARY)).unpack }
it { is_expected.to eq "unpacked module" }
end
end
describe "registering an ext type for Integer" do
let(:factory) { described_class.new }
let(:bigint) { 10**150 }
it 'does not work by default without passing `oversized_integer_extension: true`' do
factory.register_type(0x01, Integer, packer: :to_s, unpacker: method(:Integer))
expect do
factory.dump(bigint)
end.to raise_error RangeError
end
it 'raises ArgumentError if the type is not Integer' do
expect do
factory.register_type(0x01, MyType, packer: :to_s, unpacker: method(:Integer), oversized_integer_extension: true)
end.to raise_error(ArgumentError)
end
it 'invokes the packer if registered with `oversized_integer_extension: true`' do
factory.register_type(0x01, Integer, packer: :to_s, unpacker: method(:Integer), oversized_integer_extension: true)
expect(factory.load(factory.dump(bigint))).to be == bigint
end
it 'does not use the oversized_integer_extension packer for integers fitting in native types' do
factory.register_type(
0x01,
Integer,
packer: ->(int) { raise NotImplementedError },
unpacker: ->(payload) { raise NotImplementedError },
oversized_integer_extension: true
)
expect(factory.dump(42)).to eq(MessagePack.dump(42))
end
end
describe "registering ext type with recursive serialization" do
before do
stub_const("Point", Struct.new(:x, :y, :z))
end
it 'can receive the packer as argument (proc)' do
factory = MessagePack::Factory.new
factory.register_type(0x00, Symbol)
factory.register_type(
0x01,
Point,
packer: ->(point, packer) do
packer.write(point.to_h)
nil
end,
unpacker: ->(unpacker) do
attrs = unpacker.read
Point.new(attrs.fetch(:x), attrs.fetch(:y), attrs.fetch(:z))
end,
recursive: true,
)
point = Point.new(1, 2, 3)
payload = factory.dump(point)
expect(factory.load(payload)).to be == point
end
it 'can receive the packer as argument (Method)' do
mod = Module.new
mod.define_singleton_method(:packer) do |point, packer|
packer.write(point.to_h)
nil
end
mod.define_singleton_method(:unpacker) do |unpacker|
attrs = unpacker.read
Point.new(attrs.fetch(:x), attrs.fetch(:y), attrs.fetch(:z))
end
factory = MessagePack::Factory.new
factory.register_type(0x00, Symbol)
factory.register_type(
0x01,
Point,
packer: mod.method(:packer),
unpacker: mod.method(:unpacker),
recursive: true,
)
point = Point.new(1, 2, 3)
payload = factory.dump(point)
expect(factory.load(payload)).to be == point
end
it 'respect message pack format' do
factory = MessagePack::Factory.new
factory.register_type(0x00, Symbol)
factory.register_type(
0x01,
Point,
packer: ->(point, packer) do
packer.write(point.to_a)
nil
end,
unpacker: ->(unpacker) do
attrs = unpacker.read
Point.new(*attrs)
end,
recursive: true,
)
point = Point.new(1, 2, 3)
expect(factory.dump(point)).to be == "\xD6\x01".b + MessagePack.dump([1, 2, 3])
end
it 'sets the correct length' do
factory = MessagePack::Factory.new
factory.register_type(0x00, Symbol)
factory.register_type(
0x01,
Point,
packer: ->(point, packer) do
packer.write(point.to_h)
nil
end,
unpacker: ->(unpacker) do
attrs = unpacker.read
Point.new(attrs.fetch(:x), attrs.fetch(:y), attrs.fetch(:z))
end,
recursive: true,
)
point = Point.new(1, 2, 3)
payload = factory.dump([1, point, 3])
obj = MessagePack::Factory.new.load(payload, allow_unknown_ext: true)
expect(obj).to be == [
1,
MessagePack::ExtensionValue.new(1, factory.dump(x: 1, y: 2, z: 3)),
3,
]
expect(factory.load(payload)).to be == [
1,
Point.new(1, 2, 3),
3,
]
end
it 'can be nested' do
factory = MessagePack::Factory.new
factory.register_type(
0x02,
Set,
packer: ->(set, packer) do
packer.write(set.to_a)
nil
end,
unpacker: ->(unpacker) do
unpacker.read.to_set
end,
recursive: true,
)
expected = Set[1, Set[2, Set[3]]]
payload = factory.dump(expected)
expect(payload).to be == "\xC7\v\x02\x92\x01\xC7\x06\x02\x92\x02\xD5\x02\x91\x03".b
expect(factory.load(factory.dump(expected))).to be == expected
end
end
end
describe 'the special treatment of symbols with ext type' do
def roundtrip(object, options = nil)
subject.load(subject.dump(object), options)
end
context 'using the optimized symbol unpacker' do
before do
skip if IS_JRUBY # JRuby implementation doesn't support the optimized symbols unpacker for now
subject.register_type(
0x00,
::Symbol,
packer: :to_msgpack_ext,
unpacker: :from_msgpack_ext,
optimized_symbols_parsing: true,
)
end
it 'lets symbols survive a roundtrip' do
expect(roundtrip(:symbol)).to be :symbol
end
it 'works with empty symbol' do
expect(roundtrip(:"")).to be :""
end
it 'preserves encoding for ASCII symbols' do
expect(:symbol.encoding).to be Encoding::US_ASCII
expect(roundtrip(:symbol)).to be :symbol
expect(roundtrip(:symbol).encoding).to be Encoding::US_ASCII
end
it 'preserves encoding for UTF-8 symbols' do
expect(:"fée".encoding).to be Encoding::UTF_8
expect(roundtrip(:"fée").encoding).to be Encoding::UTF_8
expect(roundtrip(:"fée")).to be :"fée"
end
end
context 'if no ext type is registered for symbols' do
it 'converts symbols to string' do
expect(roundtrip(:symbol)).to eq 'symbol'
end
end
context 'if an ext type is registered for symbols' do
context 'if using the default serializer' do
before { subject.register_type(0x00, ::Symbol) }
it 'lets symbols survive a roundtrip' do
expect(roundtrip(:symbol)).to be :symbol
end
it 'works with hash keys' do
expect(roundtrip(symbol: 1)).to be == { symbol: 1 }
end
it 'works with frozen: true option' do
expect(roundtrip(:symbol, freeze: true)).to be :symbol
end
it 'preserves encoding for ASCII symbols' do
expect(:symbol.encoding).to be Encoding::US_ASCII
expect(roundtrip(:symbol)).to be :symbol
expect(roundtrip(:symbol).encoding).to be Encoding::US_ASCII
end
it 'preserves encoding for UTF-8 symbols' do
expect(:"fée".encoding).to be Encoding::UTF_8
expect(roundtrip(:"fée")).to be :"fée"
expect(roundtrip(:"fée").encoding).to be Encoding::UTF_8
end
it 'does not handle symbols in other encodings' do
symbol = "fàe".encode(Encoding::ISO_8859_1).to_sym
expect(symbol.encoding).to be Encoding::ISO_8859_1
if IS_JRUBY
# JRuby doesn't quite behave like MRI here.
# "fàe".force_encoding(Encoding::BINARY).to_sym is able to lookup the existing ISO-8859-1 symbol
# It likely is a JRuby bug.
expect(roundtrip(symbol).encoding).to be Encoding::ISO_8859_1
else
expect(roundtrip(symbol).encoding).to be Encoding::BINARY
end
end
end
context 'if using a custom serializer' do
before do
class Symbol
alias_method :to_msgpack_ext_orig, :to_msgpack_ext
def to_msgpack_ext
self.to_s.codepoints.to_a.pack('n*')
end
end
class << Symbol
alias_method :from_msgpack_ext_orig, :from_msgpack_ext
def from_msgpack_ext(data)
data.unpack('n*').map(&:chr).join.to_sym
end
end
end
before { subject.register_type(0x00, ::Symbol) }
it 'lets symbols survive a roundtrip' do
expect(roundtrip(:symbol)).to be :symbol
end
after do
class Symbol
alias_method :to_msgpack_ext, :to_msgpack_ext_orig
end
class << Symbol
alias_method :from_msgpack_ext, :from_msgpack_ext_orig
end
end
end
end
end
describe 'under stressful GC' do
it 'works well' do
begin
GC.stress = true
f = MessagePack::Factory.new
f.register_type(0x0a, Symbol)
ensure
GC.stress = false
end
end
it 'does not crash in recursive extensions' do
my_hash_type = Class.new(Hash)
factory = MessagePack::Factory.new
factory.register_type(7,
my_hash_type,
packer: ->(value, packer) do
packer.write(value.to_h)
end,
unpacker: ->(unpacker) { my_hash_type.new(unpacker.read) },
recursive: true,
)
payload = factory.dump(
[my_hash_type.new]
)
begin
GC.stress = true
factory.load(payload)
ensure
GC.stress = false
end
end
end
describe 'memsize' do
it 'works on a fresh factory' do
skip "JRuby doesn't support ObjectSpace.memsize_of" if IS_JRUBY
f = MessagePack::Factory.new
expect(ObjectSpace.memsize_of(f)).to be_an(Integer)
end
it 'works on a factory with registered types' do
skip "JRuby doesn't support ObjectSpace.memsize_of" if IS_JRUBY
f = MessagePack::Factory.new
base_size = ObjectSpace.memsize_of(f)
f.register_type(0x0a, Symbol)
expect(ObjectSpace.memsize_of(f)).to be > base_size
end
end
describe 'DefaultFactory' do
it 'is a factory' do
MessagePack::DefaultFactory.should be_kind_of(MessagePack::Factory)
end
require_relative 'exttypes'
it 'should be referred by MessagePack.pack and MessagePack.unpack' do
MessagePack::DefaultFactory.register_type(DummyTimeStamp1::TYPE, DummyTimeStamp1)
MessagePack::DefaultFactory.register_type(DummyTimeStamp2::TYPE, DummyTimeStamp2, packer: :serialize, unpacker: :deserialize)
t = Time.now
dm1 = DummyTimeStamp1.new(t.to_i, t.usec)
expect(MessagePack.unpack(MessagePack.pack(dm1))).to eq(dm1)
dm2 = DummyTimeStamp1.new(t.to_i, t.usec)
expect(MessagePack.unpack(MessagePack.pack(dm2))).to eq(dm2)
end
end
describe '#pool' do
let(:factory) { described_class.new }
it 'responds to serializers interface' do
pool = factory.pool(1)
expect(pool.load(pool.dump(42))).to be == 42
end
it 'responds to #packer with a block' do
pool = factory.pool(1)
payload = pool.packer do |packer|
packer.write(42)
packer.full_pack
end
expect(payload).to be == factory.dump(42)
end
it 'responds to #unpacker with a block' do
pool = factory.pool(1)
payload = factory.dump(42)
object = pool.unpacker do |unpacker|
unpacker.feed(payload)
unpacker.read
end
expect(object).to be == 42
end
it '#packer does not allow to register types' do
pool = factory.pool(1)
expect do
pool.packer do |packer|
packer.register_type(0x20, ::MyType) { "type" }
end
end.to raise_error(FrozenError, "can't modify frozen MessagePack::Packer")
end
it '#unpacker does not allow to register types' do
pool = factory.pool(1)
expect do
pool.unpacker do |unpacker|
unpacker.register_type(0x20, ::MyType) { "type" }
end
end.to raise_error(FrozenError, "can't modify frozen MessagePack::Unpacker")
end
it 'types can be registered before the pool is created' do
factory.register_type(0x00, Symbol)
pool = factory.pool(1)
expect(pool.load(pool.dump(:foo))).to be == :foo
end
it 'types cannot be registered after the pool is created' do
pool = factory.pool(1)
factory.register_type(0x20, ::MyType)
expect do
pool.dump(MyType.new(1, 2))
end.to raise_error NoMethodError
payload = factory.dump(MyType.new(1, 2))
expect do
pool.load(payload)
end.to raise_error MessagePack::UnknownExtTypeError
end
it 'support symbolize_keys: true' do
pool = factory.pool(1, symbolize_keys: true)
expect(pool.load(pool.dump('foo' => 1))).to be == { foo: 1 }
end
it 'support freeze: true' do
pool = factory.pool(1, freeze: true)
expect(pool.load(pool.dump('foo'))).to be_frozen
end
it 'is thread safe' do
pool = factory.pool(1)
threads = 10.times.map do
Thread.new do
1_000.times do |i|
expect(pool.load(pool.dump(i))).to be == i
end
end
end
threads.each(&:join)
end
end
end