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# -*- encoding: utf-8 -*-
require 'spec_helper'
module Aliyun
module OSS
describe HTTP do
context HTTP::StreamWriter do
it "should read out chunks that are written" do
s = HTTP::StreamWriter.new do |sr|
100.times { sr << "x" }
end
10.times do
bytes, outbuf = 10, ''
s.read(bytes, outbuf)
expect(outbuf).to eq("x"*10)
end
outbuf = 'xxx'
r = s.read(10, outbuf)
expect(outbuf).to eq('')
expect(r).to be nil
r = s.read
expect(outbuf.empty?).to be true
expect(r).to eq('')
end
it "should convert chunk to string" do
s = HTTP::StreamWriter.new do |sr|
sr << 100 << 200
end
r = s.read
expect(r).to eq("100200")
end
it "should encode string to bytes" do
s = HTTP::StreamWriter.new do |sr|
100.times { sr << "中" }
end
r = s.read(1)
expect(r).to eq('中'.force_encoding(Encoding::ASCII_8BIT)[0])
s.read(2)
r = s.read(3)
expect(r.force_encoding(Encoding::UTF_8)).to eq('中')
bytes = (100 - 2) * 3
outbuf = 'zzz'
r = s.read(bytes, outbuf)
expect(outbuf.size).to eq(bytes)
expect(r.size).to eq(bytes)
r = s.read
expect(r).to eq('')
end
it "should read exactly bytes" do
s = HTTP::StreamWriter.new do |sr|
100.times { sr << 'x' * 10 }
end
r = s.read(11)
expect(r.size).to eq(11)
r = s.read(25)
expect(r.size).to eq(25)
r = s.read(900)
expect(r.size).to eq(900)
r = s.read(1000)
expect(r.size).to eq(64)
end
it "should read with a correct crc" do
content = "hello world"
content_crc = Aliyun::OSS::Util.crc(content)
s = HTTP::StreamWriter.new(true) do |sr|
sr << content
end
r = s.read(content.size + 1)
expect(r.size).to eq(content.size)
expect(s.data_crc).to eq(content_crc)
end
it "should read with a correct crc when setting init_crc" do
content = "hello world"
init_crc = 100
content_crc = Aliyun::OSS::Util.crc(content, init_crc)
s = HTTP::StreamWriter.new(true, init_crc) do |sr|
sr << content
end
r = s.read(content.size + 1)
expect(r.size).to eq(content.size)
expect(s.data_crc).to eq(content_crc)
end
end # StreamWriter
end # HTTP
end # OSS
end # Aliyun
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