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require 'stringio'
require 'tempfile'
require 'zlib'
require 'spec_helper'
describe MessagePack::Unpacker do
let :unpacker do
MessagePack::Unpacker.new
end
let :packer do
MessagePack::Packer.new
end
it 'gets options to specify how to unpack values' do
u1 = MessagePack::Unpacker.new
u1.symbolize_keys?.should == false
u1.freeze?.should == false
u1.allow_unknown_ext?.should == false
u2 = MessagePack::Unpacker.new(symbolize_keys: true, freeze: true, allow_unknown_ext: true)
u2.symbolize_keys?.should == true
u2.freeze?.should == true
u2.allow_unknown_ext?.should == true
end
if automatic_string_keys_deduplication?
it 'ensure string hash keys are deduplicated' do
sample_data = [{"foo" => 1}, {"foo" => 2}]
sample_packed = MessagePack.pack(sample_data).force_encoding('ASCII-8BIT')
unpacker.feed(sample_packed)
hashes = nil
unpacker.each { |obj| hashes = obj }
expect(hashes[0].keys.first).to equal(hashes[1].keys.first)
end
it 'ensure strings are not deduplicated' do
sample_data = ["foo"]
sample_packed = MessagePack.pack(sample_data).force_encoding('ASCII-8BIT')
unpacker.feed(sample_packed)
ary = nil
unpacker.each { |obj| ary = obj }
expect(ary.first.frozen?).to eq(false)
end
end
it 'gets IO or object which has #read to read data from it' do
sample_data = {"message" => "morning!", "num" => 1}
sample_packed = MessagePack.pack(sample_data).force_encoding('ASCII-8BIT')
Tempfile.open("for_io") do |file|
file.sync = true
file.write sample_packed
file.rewind
u1 = MessagePack::Unpacker.new(file)
u1.each do |obj|
expect(obj).to eql(sample_data)
end
file.unlink
end
sio = StringIO.new(sample_packed)
u2 = MessagePack::Unpacker.new(sio)
u2.each do |obj|
expect(obj).to eql(sample_data)
end
dio = StringIO.new
Zlib::GzipWriter.wrap(dio){|gz| gz.write sample_packed }
reader = Zlib::GzipReader.new(StringIO.new(dio.string))
u3 = MessagePack::Unpacker.new(reader)
u3.each do |obj|
expect(obj).to eql(sample_data)
end
class DummyIO
def initialize
@buf = "".force_encoding('ASCII-8BIT')
@pos = 0
end
def write(val)
@buf << val.to_s
end
def read(length=nil,outbuf="")
if @pos == @buf.size
nil
elsif length.nil?
val = @buf[@pos..(@buf.size)]
@pos = @buf.size
outbuf << val
outbuf
else
val = @buf[@pos..(@pos + length)]
@pos += val.size
@pos = @buf.size if @pos > @buf.size
outbuf << val
outbuf
end
end
def flush
# nop
end
end
dio = DummyIO.new
dio.write sample_packed
u4 = MessagePack::Unpacker.new(dio)
u4.each do |obj|
expect(obj).to eql(sample_data)
end
end
it 'read_array_header succeeds' do
unpacker.feed("\x91")
unpacker.read_array_header.should == 1
end
it 'read_array_header fails' do
unpacker.feed("\x81")
lambda {
unpacker.read_array_header
}.should raise_error(MessagePack::TypeError) # TypeError is included in UnexpectedTypeError
lambda {
unpacker.read_array_header
}.should raise_error(MessagePack::UnexpectedTypeError)
end
it 'read_map_header converts an map to key-value sequence' do
packer.write_array_header(2)
packer.write("e")
packer.write(1)
unpacker = MessagePack::Unpacker.new
unpacker.feed(packer.to_s)
unpacker.read_array_header.should == 2
unpacker.read.should == "e"
unpacker.read.should == 1
end
it 'read_map_header succeeds' do
unpacker.feed("\x81")
unpacker.read_map_header.should == 1
end
it 'read_map_header converts an map to key-value sequence' do
packer.write_map_header(1)
packer.write("k")
packer.write("v")
unpacker = MessagePack::Unpacker.new
unpacker.feed(packer.to_s)
unpacker.read_map_header.should == 1
unpacker.read.should == "k"
unpacker.read.should == "v"
end
it 'read_map_header fails' do
unpacker.feed("\x91")
lambda {
unpacker.read_map_header
}.should raise_error(MessagePack::TypeError) # TypeError is included in UnexpectedTypeError
lambda {
unpacker.read_map_header
}.should raise_error(MessagePack::UnexpectedTypeError)
end
it 'read raises EOFError before feeding' do
lambda {
unpacker.read
}.should raise_error(EOFError)
end
let :sample_object do
[1024, {["a","b"]=>["c","d"]}, ["e","f"], "d", 70000, 4.12, 1.5, 1.5, 1.5]
end
it 'feed and each continue internal state' do
raw = sample_object.to_msgpack.to_s * 4
objects = []
raw.split(//).each do |b|
unpacker.feed(b)
unpacker.each {|c|
objects << c
}
end
objects.should == [sample_object] * 4
end
it 'feed and each empty string' do
raw = sample_object.to_msgpack.to_s
objects = []
unpacker.feed("")
unpacker.feed(raw)
unpacker.feed("")
unpacker.each { |c|
objects << c
}
objects.should == [sample_object]
end
it 'feed_each continues internal state' do
raw = sample_object.to_msgpack.to_s * 4
objects = []
raw.split(//).each do |b|
unpacker.feed_each(b) {|c|
objects << c
}
end
objects.should == [sample_object] * 4
end
it 'feed_each enumerator' do
raw = sample_object.to_msgpack.to_s * 4
enum = unpacker.feed_each(raw)
enum.should be_instance_of(Enumerator)
enum.to_a.should == [sample_object] * 4
end
it 'reset clears internal buffer' do
# 1-element array
unpacker.feed("\x91")
unpacker.reset
unpacker.feed("\x01")
unpacker.each.map {|x| x }.should == [1]
end
it 'reset clears internal state' do
# 1-element array
unpacker.feed("\x91")
unpacker.each.map {|x| x }.should == []
unpacker.reset
unpacker.feed("\x01")
unpacker.each.map {|x| x }.should == [1]
end
it 'frozen short strings' do
raw = sample_object.to_msgpack.to_s.force_encoding('UTF-8')
lambda {
unpacker.feed_each(raw.freeze) { }
}.should_not raise_error
end
it 'frozen long strings' do
raw = (sample_object.to_msgpack.to_s * 10240).force_encoding('UTF-8')
lambda {
unpacker.feed_each(raw.freeze) { }
}.should_not raise_error
end
it 'read raises invalid byte error' do
unpacker.feed("\xc1")
lambda {
unpacker.read
}.should raise_error(MessagePack::MalformedFormatError)
end
it "gc mark" do
raw = sample_object.to_msgpack.to_s * 4
n = 0
raw.split(//).each do |b|
GC.start
unpacker.feed_each(b) {|o|
GC.start
o.should == sample_object
n += 1
}
GC.start
end
n.should == 4
end
it "buffer" do
orig = "a"*32*1024*4
raw = orig.to_msgpack.to_s
n = 655
times = raw.size / n
times += 1 unless raw.size % n == 0
off = 0
parsed = false
times.times do
parsed.should == false
seg = raw[off, n]
off += seg.length
unpacker.feed_each(seg) {|obj|
parsed.should == false
obj.should == orig
parsed = true
}
end
parsed.should == true
end
it 'MessagePack.unpack symbolize_keys' do
symbolized_hash = {:a => 'b', :c => 'd'}
MessagePack.load(MessagePack.pack(symbolized_hash), :symbolize_keys => true).should == symbolized_hash
MessagePack.unpack(MessagePack.pack(symbolized_hash), :symbolize_keys => true).should == symbolized_hash
end
it 'MessagePack.unpack symbolize_keys preserve encoding' do
hash = { :ascii => 1, :utf8_é => 2}
loaded_hash = MessagePack.load(MessagePack.pack(hash), :symbolize_keys => true)
hash.keys[0].encoding.should == Encoding::US_ASCII # Ruby coerce symbols to US-ASCII when possible.
loaded_hash.keys[0].should == hash.keys[0]
loaded_hash.keys[0].encoding.should == hash.keys[0].encoding
hash.keys[1].encoding.should == Encoding::UTF_8
loaded_hash.keys[1].should == hash.keys[1]
loaded_hash.keys[1].encoding.should == hash.keys[1].encoding
MessagePack.unpack(MessagePack.pack(hash), :symbolize_keys => true).should == hash
end
it 'Unpacker#unpack symbolize_keys' do
unpacker = MessagePack::Unpacker.new(:symbolize_keys => true)
symbolized_hash = {:a => 'b', :c => 'd'}
unpacker.feed(MessagePack.pack(symbolized_hash)).read.should == symbolized_hash
end
it "msgpack str 8 type" do
MessagePack.unpack([0xd9, 0x00].pack('C*')).should == ""
MessagePack.unpack([0xd9, 0x00].pack('C*')).encoding.should == Encoding::UTF_8
MessagePack.unpack([0xd9, 0x01].pack('C*') + 'a').should == "a"
MessagePack.unpack([0xd9, 0x02].pack('C*') + 'aa').should == "aa"
end
it "msgpack str 16 type" do
MessagePack.unpack([0xda, 0x00, 0x00].pack('C*')).should == ""
MessagePack.unpack([0xda, 0x00, 0x00].pack('C*')).encoding.should == Encoding::UTF_8
MessagePack.unpack([0xda, 0x00, 0x01].pack('C*') + 'a').should == "a"
MessagePack.unpack([0xda, 0x00, 0x02].pack('C*') + 'aa').should == "aa"
end
it "msgpack str 32 type" do
MessagePack.unpack([0xdb, 0x00, 0x00, 0x00, 0x00].pack('C*')).should == ""
MessagePack.unpack([0xdb, 0x00, 0x00, 0x00, 0x00].pack('C*')).encoding.should == Encoding::UTF_8
MessagePack.unpack([0xdb, 0x00, 0x00, 0x00, 0x01].pack('C*') + 'a').should == "a"
MessagePack.unpack([0xdb, 0x00, 0x00, 0x00, 0x02].pack('C*') + 'aa').should == "aa"
end
it "msgpack bin 8 type" do
MessagePack.unpack([0xc4, 0x00].pack('C*')).should == ""
MessagePack.unpack([0xc4, 0x00].pack('C*')).encoding.should == Encoding::ASCII_8BIT
MessagePack.unpack([0xc4, 0x01].pack('C*') + 'a').should == "a"
MessagePack.unpack([0xc4, 0x02].pack('C*') + 'aa').should == "aa"
end
it "msgpack bin 16 type" do
MessagePack.unpack([0xc5, 0x00, 0x00].pack('C*')).should == ""
MessagePack.unpack([0xc5, 0x00, 0x00].pack('C*')).encoding.should == Encoding::ASCII_8BIT
MessagePack.unpack([0xc5, 0x00, 0x01].pack('C*') + 'a').should == "a"
MessagePack.unpack([0xc5, 0x00, 0x02].pack('C*') + 'aa').should == "aa"
end
it "msgpack bin 32 type" do
MessagePack.unpack([0xc6, 0x00, 0x00, 0x00, 0x00].pack('C*')).should == ""
MessagePack.unpack([0xc6, 0x0, 0x00, 0x00, 0x000].pack('C*')).encoding.should == Encoding::ASCII_8BIT
MessagePack.unpack([0xc6, 0x00, 0x00, 0x00, 0x01].pack('C*') + 'a').should == "a"
MessagePack.unpack([0xc6, 0x00, 0x00, 0x00, 0x02].pack('C*') + 'aa').should == "aa"
end
describe "ext formats" do
let(:unpacker) { MessagePack::Unpacker.new(allow_unknown_ext: true) }
[1, 2, 4, 8, 16].zip([0xd4, 0xd5, 0xd6, 0xd7, 0xd8]).each do |n,b|
it "msgpack fixext #{n} format" do
unpacker.feed([b, 1].pack('CC') + "a"*n).unpack.should == MessagePack::ExtensionValue.new(1, "a"*n)
unpacker.feed([b, -1].pack('CC') + "a"*n).unpack.should == MessagePack::ExtensionValue.new(-1, "a"*n)
end
end
it "msgpack ext 8 format" do
unpacker.feed([0xc7, 0, 1].pack('CCC')).unpack.should == MessagePack::ExtensionValue.new(1, "")
unpacker.feed([0xc7, 255, -1].pack('CCC') + "a"*255).unpack.should == MessagePack::ExtensionValue.new(-1, "a"*255)
end
it "msgpack ext 16 format" do
unpacker.feed([0xc8, 0, 1].pack('CnC')).unpack.should == MessagePack::ExtensionValue.new(1, "")
unpacker.feed([0xc8, 256, -1].pack('CnC') + "a"*256).unpack.should == MessagePack::ExtensionValue.new(-1, "a"*256)
end
it "msgpack ext 32 format" do
unpacker.feed([0xc9, 0, 1].pack('CNC')).unpack.should == MessagePack::ExtensionValue.new(1, "")
unpacker.feed([0xc9, 256, -1].pack('CNC') + "a"*256).unpack.should == MessagePack::ExtensionValue.new(-1, "a"*256)
unpacker.feed([0xc9, 65536, -1].pack('CNC') + "a"*65536).unpack.should == MessagePack::ExtensionValue.new(-1, "a"*65536)
end
end
class ValueOne
attr_reader :num
def initialize(num)
@num = num
end
def ==(obj)
self.num == obj.num
end
def num
@num
end
def to_msgpack_ext
@num.to_msgpack
end
def self.from_msgpack_ext(data)
self.new(MessagePack.unpack(data))
end
end
class ValueTwo
attr_reader :num_s
def initialize(num)
@num_s = num.to_s
end
def ==(obj)
self.num_s == obj.num_s
end
def num
@num_s.to_i
end
def to_msgpack_ext
@num_s.to_msgpack
end
def self.from_msgpack_ext(data)
self.new(MessagePack.unpack(data))
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?(::ValueOne)).to be_falsy
end
it 'returns true if specified type or class is already registered' do
subject.register_type(0x30, ::ValueOne, :from_msgpack_ext)
subject.register_type(0x31, ::ValueTwo, :from_msgpack_ext)
expect(subject.type_registered?(0x00)).to be_falsy
expect(subject.type_registered?(0x01)).to be_falsy
expect(subject.type_registered?(0x30)).to be_truthy
expect(subject.type_registered?(0x31)).to be_truthy
expect(subject.type_registered?(::ValueOne)).to be_truthy
expect(subject.type_registered?(::ValueTwo)).to be_truthy
end
it 'cannot detect unpack rule with block, not method' do
subject.register_type(0x40){|data| ValueOne.from_msgpack_ext(data) }
expect(subject.type_registered?(0x40)).to be_truthy
expect(subject.type_registered?(ValueOne)).to be_falsy
end
end
context 'with ext definitions' do
it 'get type and class mapping for packing' do
unpacker = MessagePack::Unpacker.new
unpacker.register_type(0x01){|data| ValueOne.from_msgpack_ext }
unpacker.register_type(0x02){|data| ValueTwo.from_msgpack_ext(data) }
unpacker = MessagePack::Unpacker.new
unpacker.register_type(0x01, ValueOne, :from_msgpack_ext)
unpacker.register_type(0x02, ValueTwo, :from_msgpack_ext)
end
it 'returns a Array of Hash which contains :type, :class and :unpacker' do
unpacker = MessagePack::Unpacker.new
unpacker.register_type(0x02, ValueTwo, :from_msgpack_ext)
unpacker.register_type(0x01, ValueOne, :from_msgpack_ext)
list = unpacker.registered_types
expect(list).to be_a(Array)
expect(list.size).to eq(2)
one = list[0]
expect(one.keys.sort).to eq([:type, :class, :unpacker].sort)
expect(one[:type]).to eq(0x01)
expect(one[:class]).to eq(ValueOne)
expect(one[:unpacker]).to be_a(Proc)
two = list[1]
expect(two.keys.sort).to eq([:type, :class, :unpacker].sort)
expect(two[:type]).to eq(0x02)
expect(two[:class]).to eq(ValueTwo)
expect(two[:unpacker]).to be_a(Proc)
end
it 'returns a Array of Hash, which contains nil for class if block unpacker specified' do
unpacker = MessagePack::Unpacker.new
unpacker.register_type(0x01){|data| ValueOne.from_msgpack_ext }
unpacker.register_type(0x02, &ValueTwo.method(:from_msgpack_ext))
list = unpacker.registered_types
expect(list).to be_a(Array)
expect(list.size).to eq(2)
one = list[0]
expect(one.keys.sort).to eq([:type, :class, :unpacker].sort)
expect(one[:type]).to eq(0x01)
expect(one[:class]).to be_nil
expect(one[:unpacker]).to be_instance_of(Proc)
two = list[1]
expect(two.keys.sort).to eq([:type, :class, :unpacker].sort)
expect(two[:type]).to eq(0x02)
expect(two[:class]).to be_nil
expect(two[:unpacker]).to be_instance_of(Proc)
end
describe "registering an ext type for a module" do
subject { unpacker.feed("\xc7\x06\x00module").unpack }
let(:unpacker) { MessagePack::Unpacker.new }
before do
mod = Module.new do
def self.from_msgpack_ext(data)
"unpacked #{data}"
end
end
stub_const('Mod', mod)
end
before { unpacker.register_type(0x00, Mod, :from_msgpack_ext) }
it { is_expected.to eq "unpacked module" }
end
end
def flatten(struct, results = [])
case struct
when Array
struct.each { |v| flatten(v, results) }
when Hash
struct.each { |k, v| flatten(v, flatten(k, results)) }
else
results << struct
end
results
end
subject do
described_class.new
end
let :buffer1 do
MessagePack.pack(:foo => 'bar')
end
let :buffer2 do
MessagePack.pack(:hello => {:world => [1, 2, 3]})
end
let :buffer3 do
MessagePack.pack(:x => 'y')
end
describe '#read' do
context 'with a buffer' do
it 'reads objects' do
objects = []
subject.feed(buffer1)
subject.feed(buffer2)
subject.feed(buffer3)
objects << subject.read
objects << subject.read
objects << subject.read
objects.should == [{'foo' => 'bar'}, {'hello' => {'world' => [1, 2, 3]}}, {'x' => 'y'}]
end
it 'reads map header' do
subject.feed({}.to_msgpack)
subject.read_map_header.should == 0
end
it 'reads array header' do
subject.feed([].to_msgpack)
subject.read_array_header.should == 0
end
end
end
describe '#each' do
context 'with a buffer' do
it 'yields each object in the buffer' do
objects = []
subject.feed(buffer1)
subject.feed(buffer2)
subject.feed(buffer3)
subject.each do |obj|
objects << obj
end
objects.should == [{'foo' => 'bar'}, {'hello' => {'world' => [1, 2, 3]}}, {'x' => 'y'}]
end
it 'returns an enumerator when no block is given' do
subject.feed(buffer1)
subject.feed(buffer2)
subject.feed(buffer3)
enum = subject.each
enum.map { |obj| obj.keys.first }.should == %w[foo hello x]
end
end
context 'with a stream passed to the constructor' do
it 'yields each object in the stream' do
objects = []
unpacker = described_class.new(StringIO.new(buffer1 + buffer2 + buffer3))
unpacker.each do |obj|
objects << obj
end
objects.should == [{'foo' => 'bar'}, {'hello' => {'world' => [1, 2, 3]}}, {'x' => 'y'}]
end
end
context 'with a stream and symbolize_keys passed to the constructor' do
it 'yields each object in the stream, with symbolized keys' do
objects = []
unpacker = described_class.new(StringIO.new(buffer1 + buffer2 + buffer3), symbolize_keys: true)
unpacker.each do |obj|
objects << obj
end
objects.should == [{:foo => 'bar'}, {:hello => {:world => [1, 2, 3]}}, {:x => 'y'}]
end
end
end
describe '#feed_each' do
it 'feeds the buffer then runs #each' do
objects = []
subject.feed_each(buffer1 + buffer2 + buffer3) do |obj|
objects << obj
end
objects.should == [{'foo' => 'bar'}, {'hello' => {'world' => [1, 2, 3]}}, {'x' => 'y'}]
end
it 'handles chunked data' do
objects = []
buffer = buffer1 + buffer2 + buffer3
buffer.chars.each do |ch|
subject.feed_each(ch) do |obj|
objects << obj
end
end
objects.should == [{'foo' => 'bar'}, {'hello' => {'world' => [1, 2, 3]}}, {'x' => 'y'}]
end
end
context 'regressions' do
it 'handles massive arrays (issue #2)' do
array = ['foo'] * 10_000
MessagePack.unpack(MessagePack.pack(array)).size.should == 10_000
end
it 'preserves string encoding (issue #200)' do
string = 'a'.force_encoding(Encoding::UTF_8)
MessagePack.unpack(MessagePack.pack(string)).encoding.should == string.encoding
string *= 256
MessagePack.unpack(MessagePack.pack(string)).encoding.should == string.encoding
end
it 'returns correct size for array16 (issue #127)' do
unpacker.feed("\xdc\x00\x01\x01")
unpacker.read_array_header.should == 1
end
it 'returns correct size for map16 (issue #127)' do
unpacker.feed("\xde\x00\x02\x01\x02\x03\x04")
unpacker.read_map_header.should == 2
end
end
context 'extensions' do
context 'symbolized keys' do
let :buffer do
MessagePack.pack({'hello' => 'world', 'nested' => ['object', {'structure' => true}]})
end
let :unpacker do
described_class.new(:symbolize_keys => true)
end
it 'can symbolize keys when using #each' do
objs = []
unpacker.feed(buffer)
unpacker.each do |obj|
objs << obj
end
objs.should == [{:hello => 'world', :nested => ['object', {:structure => true}]}]
end
it 'can symbolize keys when using #feed_each' do
objs = []
unpacker.feed_each(buffer) do |obj|
objs << obj
end
objs.should == [{:hello => 'world', :nested => ['object', {:structure => true}]}]
end
end
context 'freeze' do
let :struct do
{'hello' => 'world', 'nested' => ['object', {'structure' => true}]}
end
let :buffer do
MessagePack.pack(struct)
end
let :unpacker do
described_class.new(:freeze => true)
end
if (-"test").equal?(-"test") # RUBY_VERSION >= "2.5"
it 'dedups strings' do
interned_str = -"test"
roundtrip = MessagePack.unpack(MessagePack.pack(interned_str), freeze: true)
expect(roundtrip).to be interned_str
interned_str = -""
roundtrip = MessagePack.unpack(MessagePack.pack(interned_str), freeze: true)
expect(roundtrip).to be interned_str
end
end
it 'can freeze objects when using .unpack' do
parsed_struct = MessagePack.unpack(buffer, freeze: true)
parsed_struct.should == struct
parsed_struct.should be_frozen
parsed_struct['hello'].should be_frozen
parsed_struct['nested'].should be_frozen
parsed_struct['nested'][0].should be_frozen
parsed_struct['nested'][1].should be_frozen
if string_deduplication?
parsed_struct.keys[0].should be_equal('hello'.freeze)
parsed_struct.keys[1].should be_equal('nested'.freeze)
parsed_struct.values[0].should be_equal('world'.freeze)
parsed_struct.values[1][0].should be_equal('object'.freeze)
parsed_struct.values[1][1].keys[0].should be_equal('structure'.freeze)
end
end
it 'can freeze objects when using #each' do
objs = []
unpacker.feed(buffer)
unpacker.each do |obj|
objs << obj
end
parsed_struct = objs.first
parsed_struct.should == struct
parsed_struct.should be_frozen
parsed_struct['hello'].should be_frozen
parsed_struct['nested'].should be_frozen
parsed_struct['nested'][0].should be_frozen
parsed_struct['nested'][1].should be_frozen
if string_deduplication?
parsed_struct.keys[0].should be_equal('hello'.freeze)
parsed_struct.keys[1].should be_equal('nested'.freeze)
parsed_struct.values[0].should be_equal('world'.freeze)
parsed_struct.values[1][0].should be_equal('object'.freeze)
parsed_struct.values[1][1].keys[0].should be_equal('structure'.freeze)
end
end
it 'can freeze objects when using #feed_each' do
objs = []
unpacker.feed_each(buffer) do |obj|
objs << obj
end
parsed_struct = objs.first
parsed_struct.should == struct
parsed_struct.should be_frozen
parsed_struct['hello'].should be_frozen
parsed_struct['nested'].should be_frozen
parsed_struct['nested'][0].should be_frozen
parsed_struct['nested'][1].should be_frozen
if string_deduplication?
parsed_struct.keys[0].should be_equal('hello'.freeze)
parsed_struct.keys[1].should be_equal('nested'.freeze)
parsed_struct.values[0].should be_equal('world'.freeze)
parsed_struct.values[1][0].should be_equal('object'.freeze)
parsed_struct.values[1][1].keys[0].should be_equal('structure'.freeze)
end
end
end
context 'binary encoding', :encodings do
let :buffer do
MessagePack.pack({
'hello'.b => 'world'.b,
'nested'.b => [
'object'.b,
{'structure'.b => true},
]
})
end
let :unpacker do
described_class.new()
end
it 'decodes binary as ascii-8bit when using #feed' do
objs = []
unpacker.feed(buffer)
unpacker.each do |obj|
objs << obj
end
strings = flatten(objs).grep(String)
strings.should == %w[hello world nested object structure]
strings.map(&:encoding).uniq.should == [Encoding::ASCII_8BIT]
end
it 'decodes binary as ascii-8bit when using #feed_each' do
objs = []
unpacker.feed_each(buffer) do |obj|
objs << obj
end
strings = flatten(objs).grep(String)
strings.should == %w[hello world nested object structure]
strings.map(&:encoding).uniq.should == [Encoding::ASCII_8BIT]
end
end
context 'string encoding', :encodings do
let :buffer do
MessagePack.pack({'hello'.force_encoding(Encoding::UTF_8) => 'world'.force_encoding(Encoding::UTF_8), 'nested'.force_encoding(Encoding::UTF_8) => ['object'.force_encoding(Encoding::UTF_8), {'structure'.force_encoding(Encoding::UTF_8) => true}]})
end
let :unpacker do
described_class.new()
end
it 'decodes string as utf-8 when using #feed' do
objs = []
unpacker.feed(buffer)
unpacker.each do |obj|
objs << obj
end
strings = flatten(objs).grep(String)
strings.should == %w[hello world nested object structure]
strings.map(&:encoding).uniq.should == [Encoding::UTF_8]
end
it 'decodes binary as ascii-8bit when using #feed_each' do
objs = []
unpacker.feed_each(buffer) do |obj|
objs << obj
end
strings = flatten(objs).grep(String)
strings.should == %w[hello world nested object structure]
strings.map(&:encoding).uniq.should == [Encoding::UTF_8]
end
end
end
it "doesn't allow #dup or #clone" do
expect(subject).to_not respond_to :dup
expect(subject).to_not respond_to :clone
end
it "doesn't crash when marking an uninitialized buffer" do
if RUBY_PLATFORM == "java"
pending("THe java extension is missing Unpacker#buffer https://github.com/msgpack/msgpack-ruby/issues/315")
end
stress = GC.stress
begin
GC.stress = true
MessagePack::Unpacker.new.buffer
Object.new
ensure
GC.stress = stress
end
end
if RUBY_PLATFORM != "java"
it "doesn't leak when a recursive unpacker raises" do
hash_with_indifferent_access = Class.new(Hash)
msgpack = MessagePack::Factory.new
msgpack.register_type(
0x02,
hash_with_indifferent_access,
packer: ->(value, packer) do
packer.write(value.to_h)
end,
unpacker: ->(unpacker) { raise RuntimeError, "Ooops" },
recursive: true
)
packer = msgpack.packer
data = [[[[[[[hash_with_indifferent_access.new]]]]]]]
payload = msgpack.dump(data)
unpacker = msgpack.unpacker
2.times do
unpacker.buffer.clear
unpacker.feed(payload)
expect {
unpacker.full_unpack
}.to raise_error(RuntimeError, "Ooops")
end
memsize = ObjectSpace.memsize_of(unpacker)
10.times do
unpacker.buffer.clear
unpacker.feed(payload)
expect {
unpacker.full_unpack
}.to raise_error(RuntimeError, "Ooops")
end
expect(memsize).to eq ObjectSpace.memsize_of(unpacker)
end
end
end