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# encoding: ascii-8bit
require 'spec/spec_helper'
describe Unpacker do
let :unpacker do
Unpacker.new
end
let :packer do
Packer.new
end
# TODO initialize
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)
end
it 'read_map_header succeeds' do
unpacker.feed("\x81")
unpacker.read_map_header.should == 1
end
it 'read_map_header fails' do
unpacker.feed("\x91")
lambda {
unpacker.read_map_header
}.should raise_error(MessagePack::TypeError)
end
it 'skip_nil succeeds' do
unpacker.feed("\xc0")
unpacker.skip_nil.should == true
end
it 'skip_nil fails' do
unpacker.feed("\x90")
unpacker.skip_nil.should == false
end
it 'skip skips objects' do
packer.write(1)
packer.write(2)
packer.write(3)
packer.write(4)
packer.write(5)
unpacker = Unpacker.new(packer.buffer)
unpacker.read.should == 1
unpacker.skip
unpacker.read.should == 3
unpacker.skip
unpacker.read.should == 5
end
it 'read raises EOFError' do
lambda {
unpacker.read
}.should raise_error(EOFError)
end
it 'skip raises EOFError' do
lambda {
unpacker.skip
}.should raise_error(EOFError)
end
it 'skip_nil raises EOFError' do
lambda {
unpacker.skip_nil
}.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_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 '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 'buffer' do
o1 = unpacker.buffer.object_id
unpacker.buffer << 'frsyuki'
unpacker.buffer.to_s.should == 'frsyuki'
unpacker.buffer.object_id.should == o1
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 level stack too deep error' do
512.times { packer.write_array_header(1) }
packer.write(nil)
unpacker = Unpacker.new(packer.buffer)
lambda {
unpacker.read
}.should raise_error(MessagePack::StackError)
end
it 'skip raises level stack too deep error' do
512.times { packer.write_array_header(1) }
packer.write(nil)
unpacker = Unpacker.new(packer.buffer)
lambda {
unpacker.skip
}.should raise_error(MessagePack::StackError)
end
it 'read raises invalid byte error' do
unpacker.feed("\xc1")
lambda {
unpacker.read
}.should raise_error(MessagePack::MalformedFormatError)
end
it 'skip raises invalid byte error' do
unpacker.feed("\xc1")
lambda {
unpacker.skip
}.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 'Unpacker#unpack symbolize_keys' do
unpacker = 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, 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, 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, 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, 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, 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, 0x00, 0x00, 0x00, 0x01].pack('C*') + 'a').should == "a"
MessagePack.unpack([0xc6, 0x00, 0x00, 0x00, 0x02].pack('C*') + 'aa').should == "aa"
end
end
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